diff options
| author | Tom Rini <trini@konsulko.com> | 2017-03-14 15:08:11 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-04-05 17:52:20 (GMT) |
| commit | 936478e797a87bcd4e002bf70430b6f58584b155 (patch) | |
| tree | fa37ca333a77dd69d8ef8978d4f8ca59356d533c /arch | |
| parent | ea3310e8aafad1da72d9a5e60568d725cbdefdbd (diff) | |
| download | u-boot-936478e797a87bcd4e002bf70430b6f58584b155.tar.xz | |
SPARC: Remove
The SPARC architecture is currently unmaintained, remove.
Cc: Francois Retief <fgretief@spaceteq.co.za>
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch')
62 files changed, 0 insertions, 10527 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 5ee6b4a..854eceb 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -76,10 +76,6 @@ config SH bool "SuperH architecture" select HAVE_PRIVATE_LIBGCC -config SPARC - bool "SPARC architecture" - select CREATE_ARCH_SYMLINK - config X86 bool "x86 architecture" select CREATE_ARCH_SYMLINK @@ -167,6 +163,5 @@ source "arch/openrisc/Kconfig" source "arch/powerpc/Kconfig" source "arch/sandbox/Kconfig" source "arch/sh/Kconfig" -source "arch/sparc/Kconfig" source "arch/x86/Kconfig" source "arch/xtensa/Kconfig" diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig deleted file mode 100644 index 1d1347b..0000000 --- a/arch/sparc/Kconfig +++ /dev/null @@ -1,70 +0,0 @@ -menu "SPARC architecture" - depends on SPARC - -config LEON - bool - -config LEON2 - bool - select LEON - -config LEON3 - bool - select LEON - -config SYS_SPARC_NWINDOWS - int "Number of SPARC register windows" - range 2 32 - default "8" - help - Specify the number of SPARC register windows implemented by this - processor. A SPARC implementation can have from 2 to 32 windows. - If unsure, choose 8. - -choice - prompt "Board select" - optional - -config TARGET_GRSIM_LEON2 - bool "GRSIM simulating a LEON2 board" - select LEON2 - -config TARGET_GR_CPCI_AX2000 - bool "Gaisler GR-CPCI-AX2000 board" - select LEON3 - -config TARGET_GR_EP2S60 - bool "Gaisler Template design for Altera NIOS board with Stratix EP2S60" - select LEON3 - help - Gaisler Research AB's Template design (GPL Open Source SPARC/LEON3 - 96MHz) for Altera NIOS Development board Stratix II edition, - with the FPGA device EP2S60. - -config TARGET_GR_XC3S_1500 - bool "Gaisler GR-XC3S-1500 spartan board" - select LEON3 - -config TARGET_GRSIM - bool "GRSIM simulating a LEON3 GR-XC3S-1500 board" - select LEON3 - -endchoice - -config SYS_ARCH - default "sparc" - -config SYS_CPU - default "leon2" if LEON2 - default "leon3" if LEON3 - -config SYS_VENDOR - default "gaisler" - -source "board/gaisler/gr_cpci_ax2000/Kconfig" -source "board/gaisler/gr_ep2s60/Kconfig" -source "board/gaisler/gr_xc3s_1500/Kconfig" -source "board/gaisler/grsim/Kconfig" -source "board/gaisler/grsim_leon2/Kconfig" - -endmenu diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile deleted file mode 100644 index 2d4c971..0000000 --- a/arch/sparc/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# SPDX-License-Identifier: GPL-2.0+ -# - -head-y := arch/sparc/cpu/$(CPU)/start.o - -libs-y += arch/sparc/cpu/$(CPU)/ -libs-y += arch/sparc/lib/ diff --git a/arch/sparc/config.mk b/arch/sparc/config.mk deleted file mode 100644 index 43faad4..0000000 --- a/arch/sparc/config.mk +++ /dev/null @@ -1,25 +0,0 @@ -# -# (C) Copyright 2015 -# Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -ifeq ($(CROSS_COMPILE),) -CROSS_COMPILE := sparc-linux- -endif - -# This GCC compiler is known to work: -# https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/ - -gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`) - -CONFIG_STANDALONE_LOAD_ADDR ?= 0x00000000 -L $(gcclibdir) \ - -T $(srctree)/examples/standalone/sparc.lds - -cpuflags-$(CONFIG_LEON2) := -mcpu=leon -cpuflags-$(CONFIG_LEON3) := -mcpu=leon3 - -PLATFORM_CPPFLAGS += $(cpuflags-y) - -PLATFORM_RELFLAGS += -fPIC diff --git a/arch/sparc/cpu/leon2/Makefile b/arch/sparc/cpu/leon2/Makefile deleted file mode 100644 index 8c95ca5..0000000 --- a/arch/sparc/cpu/leon2/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# (C) Copyright 2003-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -extra-y = start.o -obj-y = cpu_init.o serial.o cpu.o interrupts.o prom.o diff --git a/arch/sparc/cpu/leon2/cpu.c b/arch/sparc/cpu/leon2/cpu.c deleted file mode 100644 index d044c3a..0000000 --- a/arch/sparc/cpu/leon2/cpu.c +++ /dev/null @@ -1,60 +0,0 @@ -/* CPU specific code for the LEON2 CPU - * - * (C) Copyright 2007, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <watchdog.h> -#include <command.h> -#include <netdev.h> - -DECLARE_GLOBAL_DATA_PTR; - -extern void _reset_reloc(void); - -int checkcpu(void) -{ - /* check LEON version here */ - printf("CPU: LEON2\n"); - return 0; -} - -#ifdef CONFIG_DISPLAY_CPUINFO - -int print_cpuinfo(void) -{ - printf("CPU: LEON2\n"); - return 0; -} - -#endif - -/* ------------------------------------------------------------------------- */ - -void cpu_reset(void) -{ - /* Interrupts off */ - disable_interrupts(); - - /* jump to restart in flash */ - _reset_reloc(); -} - -int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) -{ - cpu_reset(); - - return 1; -} - -/* ------------------------------------------------------------------------- */ - -#ifdef CONFIG_GRETH -int cpu_eth_init(bd_t *bis) -{ - return greth_initialize(bis); -} -#endif diff --git a/arch/sparc/cpu/leon2/cpu_init.c b/arch/sparc/cpu/leon2/cpu_init.c deleted file mode 100644 index 9dfb99c..0000000 --- a/arch/sparc/cpu/leon2/cpu_init.c +++ /dev/null @@ -1,95 +0,0 @@ -/* Initializes CPU and basic hardware such as memory - * controllers, IRQ controller and system timer 0. - * - * (C) Copyright 2007, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/asi.h> -#include <asm/leon.h> -#include <asm/io.h> - -#include <config.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* - * Breath some life into the CPU... - * - * Set up the memory map, - * initialize a bunch of registers. - * - * Run from FLASH/PROM: - * - until memory controller is set up, only registers available - * - no global variables available for writing - * - constants available - */ - -void cpu_init_f(void) -{ - LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS; - - /* initialize the IRQMP */ - leon2->Interrupt_Force = 0; - leon2->Interrupt_Pending = 0; - leon2->Interrupt_Clear = 0xfffe; /* clear all old pending interrupts */ - leon2->Interrupt_Mask = 0xfffe0000; /* mask all IRQs */ - - /* cache */ - - /* I/O port setup */ -#ifdef LEON2_IO_PORT_DIR - leon2->PIO_Direction = LEON2_IO_PORT_DIR; -#endif -#ifdef LEON2_IO_PORT_DATA - leon2->PIO_Data = LEON2_IO_PORT_DATA; -#endif -#ifdef LEON2_IO_PORT_INT - leon2->PIO_Interrupt = LEON2_IO_PORT_INT; -#else - leon2->PIO_Interrupt = 0; -#endif - - /* disable timers */ - leon2->Timer_Control_1 = leon2->Timer_Control_2 = 0; -} - -int arch_cpu_init(void) -{ - gd->cpu_clk = CONFIG_SYS_CLK_FREQ; - gd->bus_clk = CONFIG_SYS_CLK_FREQ; - gd->ram_size = CONFIG_SYS_SDRAM_SIZE; - - return 0; -} - -/* - * initialize higher level parts of CPU - */ -int cpu_init_r(void) -{ - return 0; -} - -/* initiate and setup timer0 to configured HZ. Base clock is 1MHz. - */ -int timer_init(void) -{ - LEON2_regs *leon2 = (LEON2_regs *)LEON2_PREGS; - - /* initialize prescaler common to all timers to 1MHz */ - leon2->Scaler_Counter = leon2->Scaler_Reload = - (((CONFIG_SYS_CLK_FREQ / 1000) + 500) / 1000) - 1; - - /* SYS_HZ ticks per second */ - leon2->Timer_Counter_1 = 0; - leon2->Timer_Reload_1 = (CONFIG_SYS_TIMER_RATE / CONFIG_SYS_HZ) - 1; - leon2->Timer_Control_1 = LEON2_TIMER_CTRL_EN | LEON2_TIMER_CTRL_RS | - LEON2_TIMER_CTRL_LD; - - CONFIG_SYS_TIMER_COUNTER = (void *)&leon2->Timer_Counter_1; - return 0; -} diff --git a/arch/sparc/cpu/leon2/interrupts.c b/arch/sparc/cpu/leon2/interrupts.c deleted file mode 100644 index 602e4a6..0000000 --- a/arch/sparc/cpu/leon2/interrupts.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com - * - * (C) Copyright 2006 - * Detlev Zundel, DENX Software Engineering, dzu@denx.de - * - * (C) Copyright -2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2001 - * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm/stack.h> -#include <common.h> -#include <asm/io.h> -#include <asm/processor.h> -#include <command.h> -#include <asm/irq.h> - -#include <asm/leon.h> - -/* 15 normal irqs and a non maskable interrupt */ -#define NR_IRQS 15 - -struct irq_action { - interrupt_handler_t *handler; - void *arg; - unsigned int count; -}; - -static struct irq_action irq_handlers[NR_IRQS] = { {0}, }; -static int spurious_irq_cnt = 0; -static int spurious_irq = 0; - -static inline unsigned int leon2_get_irqmask(unsigned int irq) -{ - if ((irq < 0) || (irq >= NR_IRQS)) { - return 0; - } else { - return (1 << irq); - } -} - -static void leon2_ic_disable(unsigned int irq) -{ - unsigned int mask, pil; - LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS; - - pil = intLock(); - - /* get mask of interrupt */ - mask = leon2_get_irqmask(irq); - - /* set int level */ - leon2->Interrupt_Mask = - SPARC_NOCACHE_READ(&leon2->Interrupt_Mask) & (~mask); - - intUnlock(pil); -} - -static void leon2_ic_enable(unsigned int irq) -{ - unsigned int mask, pil; - LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS; - - pil = intLock(); - - /* get mask of interrupt */ - mask = leon2_get_irqmask(irq); - - /* set int level */ - leon2->Interrupt_Mask = - SPARC_NOCACHE_READ(&leon2->Interrupt_Mask) | mask; - - intUnlock(pil); -} - -void handler_irq(int irq, struct pt_regs *regs) -{ - if (irq_handlers[irq].handler) { - if (((unsigned int)irq_handlers[irq].handler > CONFIG_SYS_RAM_END) || - ((unsigned int)irq_handlers[irq].handler < CONFIG_SYS_RAM_BASE) - ) { - printf("handler_irq: bad handler: %x, irq number %d\n", - (unsigned int)irq_handlers[irq].handler, irq); - return; - } - irq_handlers[irq].handler(irq_handlers[irq].arg); - irq_handlers[irq].count++; - } else { - spurious_irq_cnt++; - spurious_irq = irq; - } -} - -void leon2_force_int(int irq) -{ - LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS; - - if ((irq >= NR_IRQS) || (irq < 0)) - return; - printf("Forcing interrupt %d\n", irq); - - leon2->Interrupt_Force = - SPARC_NOCACHE_READ(&leon2->Interrupt_Force) | (1 << irq); -} - -/****************************************************************************/ - -int interrupt_init_cpu(void) -{ - return (0); -} - -/****************************************************************************/ - -/* - * Install and free a interrupt handler. - */ - -void irq_install_handler(int irq, interrupt_handler_t * handler, void *arg) -{ - if (irq < 0 || irq >= NR_IRQS) { - printf("irq_install_handler: bad irq number %d\n", irq); - return; - } - - if (irq_handlers[irq].handler != NULL) - printf("irq_install_handler: 0x%08lx replacing 0x%08lx\n", - (ulong) handler, (ulong) irq_handlers[irq].handler); - - if (((unsigned int)handler > CONFIG_SYS_RAM_END) || - ((unsigned int)handler < CONFIG_SYS_RAM_BASE) - ) { - printf("irq_install_handler: bad handler: %x, irq number %d\n", - (unsigned int)handler, irq); - return; - } - irq_handlers[irq].handler = handler; - irq_handlers[irq].arg = arg; - - /* enable irq on LEON2 hardware */ - leon2_ic_enable(irq); - -} - -void irq_free_handler(int irq) -{ - if (irq < 0 || irq >= NR_IRQS) { - printf("irq_free_handler: bad irq number %d\n", irq); - return; - } - - /* disable irq on LEON2 hardware */ - leon2_ic_disable(irq); - - irq_handlers[irq].handler = NULL; - irq_handlers[irq].arg = NULL; -} - -/****************************************************************************/ - -#if defined(CONFIG_CMD_IRQ) -void do_irqinfo(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) -{ - int irq; - unsigned int pil = get_pil(); - printf("PIL level: %u\n\r", pil); - printf("Spurious IRQ: %u, last unknown IRQ: %d\n", - spurious_irq_cnt, spurious_irq); - - puts("\nInterrupt-Information:\n" "Nr Routine Arg Count\n"); - - for (irq = 0; irq < NR_IRQS; irq++) { - if (irq_handlers[irq].handler != NULL) { - printf("%02d %p %p %d\n", irq, - irq_handlers[irq].handler, - irq_handlers[irq].arg, - irq_handlers[irq].count); - } - } -} -#endif diff --git a/arch/sparc/cpu/leon2/prom.c b/arch/sparc/cpu/leon2/prom.c deleted file mode 100644 index 7829e7a..0000000 --- a/arch/sparc/cpu/leon2/prom.c +++ /dev/null @@ -1,1032 +0,0 @@ -/* prom.c - emulates a sparc v0 PROM for the linux kernel. - * - * Copyright (C) 2003 Konrad Eisele <eiselekd@web.de> - * Copyright (C) 2004 Stefan Holst <mail@s-holst.de> - * Copyright (C) 2007 Daniel Hellstrom <daniel@gaisler.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/prom.h> -#include <asm/machines.h> -#include <asm/srmmu.h> -#include <asm/processor.h> -#include <asm/irq.h> -#include <asm/leon.h> - -#include <config.h> -/* -#define PRINT_ROM_VEC -*/ -extern struct linux_romvec *kernel_arg_promvec; - -#define PROM_PGT __attribute__ ((__section__ (".prom.pgt"))) -#define PROM_TEXT __attribute__ ((__section__ (".prom.text"))) -#define PROM_DATA __attribute__ ((__section__ (".prom.data"))) - -void *__prom_start_reloc; /* relocated prom_start address */ - -/* for __va */ -extern int __prom_start; -#define PAGE_OFFSET 0xf0000000 -#define phys_base CONFIG_SYS_SDRAM_BASE -#define PROM_OFFS 8192 -#define PROM_SIZE_MASK (PROM_OFFS-1) -#define __va(x) ( \ - (void *)( ((unsigned long)(x))-PROM_OFFS+ \ - (CONFIG_SYS_PROM_OFFSET-phys_base)+PAGE_OFFSET-CONFIG_SYS_TEXT_BASE ) \ - ) -#define __phy(x) ((void *)(((unsigned long)(x))-PROM_OFFS+CONFIG_SYS_PROM_OFFSET-CONFIG_SYS_TEXT_BASE)) - -struct property { - char *name; - char *value; - int length; -}; - -struct node { - int level; - struct property *properties; -}; - -static void leon_reboot(char *bcommand); -static void leon_halt(void); -static int leon_nbputchar(int c); -static int leon_nbgetchar(void); - -static int no_nextnode(int node); -static int no_child(int node); -static int no_proplen(int node, char *name); -static int no_getprop(int node, char *name, char *value); -static int no_setprop(int node, char *name, char *value, int len); -static char *no_nextprop(int node, char *name); - -static struct property PROM_TEXT *find_property(int node, char *name); -static int PROM_TEXT leon_strcmp(const char *s1, const char *s2); -static void *PROM_TEXT leon_memcpy(void *dest, const void *src, size_t n); -static void PROM_TEXT leon_reboot_physical(char *bcommand); - -void __inline__ leon_flush_cache_all(void) -{ - __asm__ __volatile__(" flush "); - __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_DFLUSH):"memory"); -} - -void __inline__ leon_flush_tlb_all(void) -{ - leon_flush_cache_all(); - __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(0x400), - "i"(ASI_MMUFLUSH):"memory"); -} - -typedef struct { - unsigned int ctx_table[256]; - unsigned int pgd_table[256]; -} sparc_srmmu_setup; - -sparc_srmmu_setup srmmu_tables PROM_PGT = { - {0}, - {0x1e, - 0x10001e, - 0x20001e, - 0x30001e, - 0x40001e, - 0x50001e, - 0x60001e, - 0x70001e, - 0x80001e, - 0x90001e, - 0xa0001e, - 0xb0001e, - 0xc0001e, - 0xd0001e, - 0xe0001e, - 0xf0001e, - 0x100001e, - 0x110001e, - 0x120001e, - 0x130001e, - 0x140001e, - 0x150001e, - 0x160001e, - 0x170001e, - 0x180001e, - 0x190001e, - 0x1a0001e, - 0x1b0001e, - 0x1c0001e, - 0x1d0001e, - 0x1e0001e, - 0x1f0001e, - 0x200001e, - 0x210001e, - 0x220001e, - 0x230001e, - 0x240001e, - 0x250001e, - 0x260001e, - 0x270001e, - 0x280001e, - 0x290001e, - 0x2a0001e, - 0x2b0001e, - 0x2c0001e, - 0x2d0001e, - 0x2e0001e, - 0x2f0001e, - 0x300001e, - 0x310001e, - 0x320001e, - 0x330001e, - 0x340001e, - 0x350001e, - 0x360001e, - 0x370001e, - 0x380001e, - 0x390001e, - 0x3a0001e, - 0x3b0001e, - 0x3c0001e, - 0x3d0001e, - 0x3e0001e, - 0x3f0001e, - 0x400001e, - 0x410001e, - 0x420001e, - 0x430001e, - 0x440001e, - 0x450001e, - 0x460001e, - 0x470001e, - 0x480001e, - 0x490001e, - 0x4a0001e, - 0x4b0001e, - 0x4c0001e, - 0x4d0001e, - 0x4e0001e, - 0x4f0001e, - 0x500001e, - 0x510001e, - 0x520001e, - 0x530001e, - 0x540001e, - 0x550001e, - 0x560001e, - 0x570001e, - 0x580001e, - 0x590001e, - 0x5a0001e, - 0x5b0001e, - 0x5c0001e, - 0x5d0001e, - 0x5e0001e, - 0x5f0001e, - 0x600001e, - 0x610001e, - 0x620001e, - 0x630001e, - 0x640001e, - 0x650001e, - 0x660001e, - 0x670001e, - 0x680001e, - 0x690001e, - 0x6a0001e, - 0x6b0001e, - 0x6c0001e, - 0x6d0001e, - 0x6e0001e, - 0x6f0001e, - 0x700001e, - 0x710001e, - 0x720001e, - 0x730001e, - 0x740001e, - 0x750001e, - 0x760001e, - 0x770001e, - 0x780001e, - 0x790001e, - 0x7a0001e, - 0x7b0001e, - 0x7c0001e, - 0x7d0001e, - 0x7e0001e, - 0x7f0001e, - 0x800001e, - 0x810001e, - 0x820001e, - 0x830001e, - 0x840001e, - 0x850001e, - 0x860001e, - 0x870001e, - 0x880001e, - 0x890001e, - 0x8a0001e, - 0x8b0001e, - 0x8c0001e, - 0x8d0001e, - 0x8e0001e, - 0x8f0001e, - 0x900001e, - 0x910001e, - 0x920001e, - 0x930001e, - 0x940001e, - 0x950001e, - 0x960001e, - 0x970001e, - 0x980001e, - 0x990001e, - 0x9a0001e, - 0x9b0001e, - 0x9c0001e, - 0x9d0001e, - 0x9e0001e, - 0x9f0001e, - 0xa00001e, - 0xa10001e, - 0xa20001e, - 0xa30001e, - 0xa40001e, - 0xa50001e, - 0xa60001e, - 0xa70001e, - 0xa80001e, - 0xa90001e, - 0xaa0001e, - 0xab0001e, - 0xac0001e, - 0xad0001e, - 0xae0001e, - 0xaf0001e, - 0xb00001e, - 0xb10001e, - 0xb20001e, - 0xb30001e, - 0xb40001e, - 0xb50001e, - 0xb60001e, - 0xb70001e, - 0xb80001e, - 0xb90001e, - 0xba0001e, - 0xbb0001e, - 0xbc0001e, - 0xbd0001e, - 0xbe0001e, - 0xbf0001e, - 0xc00001e, - 0xc10001e, - 0xc20001e, - 0xc30001e, - 0xc40001e, - 0xc50001e, - 0xc60001e, - 0xc70001e, - 0xc80001e, - 0xc90001e, - 0xca0001e, - 0xcb0001e, - 0xcc0001e, - 0xcd0001e, - 0xce0001e, - 0xcf0001e, - 0xd00001e, - 0xd10001e, - 0xd20001e, - 0xd30001e, - 0xd40001e, - 0xd50001e, - 0xd60001e, - 0xd70001e, - 0xd80001e, - 0xd90001e, - 0xda0001e, - 0xdb0001e, - 0xdc0001e, - 0xdd0001e, - 0xde0001e, - 0xdf0001e, - 0xe00001e, - 0xe10001e, - 0xe20001e, - 0xe30001e, - 0xe40001e, - 0xe50001e, - 0xe60001e, - 0xe70001e, - 0xe80001e, - 0xe90001e, - 0xea0001e, - 0xeb0001e, - 0xec0001e, - 0xed0001e, - 0xee0001e, - 0xef0001e, - 0x400001e /* default */ - } -}; - -/* a self contained prom info structure */ -struct leon_reloc_func { - struct property *(*find_property) (int node, char *name); - int (*strcmp) (char *s1, char *s2); - void *(*memcpy) (void *dest, const void *src, size_t n); - void (*reboot_physical) (char *cmd); -}; - -struct leon_prom_info { - int freq_khz; - int leon_nctx; - int mids[32]; - int baudrates[2]; - struct leon_reloc_func reloc_funcs; - struct property root_properties[4]; - struct property cpu_properties[7]; -#undef CPUENTRY -#define CPUENTRY(idx) struct property cpu_properties##idx[4] - CPUENTRY(1); - CPUENTRY(2); - CPUENTRY(3); - CPUENTRY(4); - CPUENTRY(5); - CPUENTRY(6); - CPUENTRY(7); - CPUENTRY(8); - CPUENTRY(9); - CPUENTRY(10); - CPUENTRY(11); - CPUENTRY(12); - CPUENTRY(13); - CPUENTRY(14); - CPUENTRY(15); - CPUENTRY(16); - CPUENTRY(17); - CPUENTRY(18); - CPUENTRY(19); - CPUENTRY(20); - CPUENTRY(21); - CPUENTRY(22); - CPUENTRY(23); - CPUENTRY(24); - CPUENTRY(25); - CPUENTRY(26); - CPUENTRY(27); - CPUENTRY(28); - CPUENTRY(29); - CPUENTRY(30); - CPUENTRY(31); - struct idprom idprom; - struct linux_nodeops nodeops; - struct linux_mlist_v0 *totphys_p; - struct linux_mlist_v0 totphys; - struct linux_mlist_v0 *avail_p; - struct linux_mlist_v0 avail; - struct linux_mlist_v0 *prommap_p; - void (*synchook) (void); - struct linux_arguments_v0 *bootargs_p; - struct linux_arguments_v0 bootargs; - struct linux_romvec romvec; - struct node nodes[35]; - char s_device_type[12]; - char s_cpu[4]; - char s_mid[4]; - char s_idprom[7]; - char s_compatability[14]; - char s_leon2[6]; - char s_mmu_nctx[9]; - char s_frequency[16]; - char s_uart1_baud[11]; - char s_uart2_baud[11]; - char arg[256]; -}; - -/* static prom info */ -static struct leon_prom_info PROM_DATA spi = { - CONFIG_SYS_CLK_FREQ / 1000, - 256, - { -#undef CPUENTRY -#define CPUENTRY(idx) idx - CPUENTRY(0), - CPUENTRY(1), - CPUENTRY(2), - CPUENTRY(3), - CPUENTRY(4), - CPUENTRY(5), - CPUENTRY(6), - CPUENTRY(7), - CPUENTRY(8), - CPUENTRY(9), - CPUENTRY(10), - CPUENTRY(11), - CPUENTRY(12), - CPUENTRY(13), - CPUENTRY(14), - CPUENTRY(15), - CPUENTRY(16), - CPUENTRY(17), - CPUENTRY(18), - CPUENTRY(19), - CPUENTRY(20), - CPUENTRY(21), - CPUENTRY(22), - CPUENTRY(23), - CPUENTRY(24), - CPUENTRY(25), - CPUENTRY(26), - CPUENTRY(27), - CPUENTRY(28), - CPUENTRY(29), - CPUENTRY(30), - 31}, - {38400, 38400}, - { - __va(find_property), - __va(leon_strcmp), - __va(leon_memcpy), - __phy(leon_reboot_physical), - }, - { - {__va(spi.s_device_type), __va(spi.s_idprom), 4}, - {__va(spi.s_idprom), (char *)__va(&spi.idprom), sizeof(struct idprom)}, - {__va(spi.s_compatability), __va(spi.s_leon2), 5}, - {NULL, NULL, -1} - }, - { - {__va(spi.s_device_type), __va(spi.s_cpu), 4}, - {__va(spi.s_mid), __va(&spi.mids[0]), 4}, - {__va(spi.s_mmu_nctx), (char *)__va(&spi.leon_nctx), 4}, - {__va(spi.s_frequency), (char *)__va(&spi.freq_khz), 4}, - {__va(spi.s_uart1_baud), (char *)__va(&spi.baudrates[0]), 4}, - {__va(spi.s_uart2_baud), (char *)__va(&spi.baudrates[1]), 4}, - {NULL, NULL, -1} - }, -#undef CPUENTRY -#define CPUENTRY(idx) \ - { /* cpu_properties */ \ - {__va(spi.s_device_type), __va(spi.s_cpu), 4}, \ - {__va(spi.s_mid), __va(&spi.mids[idx]), 4}, \ - {__va(spi.s_frequency), (char *)__va(&spi.freq_khz), 4}, \ - {NULL, NULL, -1} \ - } - CPUENTRY(1), - CPUENTRY(2), - CPUENTRY(3), - CPUENTRY(4), - CPUENTRY(5), - CPUENTRY(6), - CPUENTRY(7), - CPUENTRY(8), - CPUENTRY(9), - CPUENTRY(10), - CPUENTRY(11), - CPUENTRY(12), - CPUENTRY(13), - CPUENTRY(14), - CPUENTRY(15), - CPUENTRY(16), - CPUENTRY(17), - CPUENTRY(18), - CPUENTRY(19), - CPUENTRY(20), - CPUENTRY(21), - CPUENTRY(22), - CPUENTRY(23), - CPUENTRY(24), - CPUENTRY(25), - CPUENTRY(26), - CPUENTRY(27), - CPUENTRY(28), - CPUENTRY(29), - CPUENTRY(30), - CPUENTRY(31), - { - 0x01, /* format */ - M_LEON2 | M_LEON2_SOC, /* machine type */ - {0, 0, 0, 0, 0, 0}, /* eth */ - 0, /* date */ - 0, /* sernum */ - 0, /* checksum */ - {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} /* reserved */ - }, - { - __va(no_nextnode), - __va(no_child), - __va(no_proplen), - __va(no_getprop), - __va(no_setprop), - __va(no_nextprop) - }, - __va(&spi.totphys), - { - NULL, - (char *)CONFIG_SYS_SDRAM_BASE, - 0, - }, - __va(&spi.avail), - { - NULL, - (char *)CONFIG_SYS_SDRAM_BASE, - 0, - }, - NULL, /* prommap_p */ - NULL, - __va(&spi.bootargs), - { - {NULL, __va(spi.arg), NULL /*... */ }, - /*... */ - }, - { - 0, - 0, /* sun4c v0 prom */ - 0, 0, - {__va(&spi.totphys_p), __va(&spi.prommap_p), __va(&spi.avail_p)}, - __va(&spi.nodeops), - NULL, {NULL /* ... */ }, - NULL, NULL, - NULL, NULL, /* pv_getchar, pv_putchar */ - __va(leon_nbgetchar), __va(leon_nbputchar), - NULL, - __va(leon_reboot), - NULL, - NULL, - NULL, - __va(leon_halt), - __va(&spi.synchook), - {NULL}, - __va(&spi.bootargs_p) - /*... */ - }, - { - {0, __va(spi.root_properties + 3) /* NULL, NULL, -1 */ }, - {0, __va(spi.root_properties)}, - /* cpu 0, must be spi.nodes[2] see leon_prom_init() */ - {1, __va(spi.cpu_properties)}, - -#undef CPUENTRY -#define CPUENTRY(idx) \ - {1, __va(spi.cpu_properties##idx) } /* cpu <idx> */ - CPUENTRY(1), - CPUENTRY(2), - CPUENTRY(3), - CPUENTRY(4), - CPUENTRY(5), - CPUENTRY(6), - CPUENTRY(7), - CPUENTRY(8), - CPUENTRY(9), - CPUENTRY(10), - CPUENTRY(11), - CPUENTRY(12), - CPUENTRY(13), - CPUENTRY(14), - CPUENTRY(15), - CPUENTRY(16), - CPUENTRY(17), - CPUENTRY(18), - CPUENTRY(19), - CPUENTRY(20), - CPUENTRY(21), - CPUENTRY(22), - CPUENTRY(23), - CPUENTRY(24), - CPUENTRY(25), - CPUENTRY(26), - CPUENTRY(27), - CPUENTRY(28), - CPUENTRY(29), - CPUENTRY(30), - CPUENTRY(31), - {-1, __va(spi.root_properties + 3) /* NULL, NULL, -1 */ } - }, - "device_type", - "cpu", - "mid", - "idprom", - "compatability", - "leon2", - "mmu-nctx", - "clock-frequency", - "uart1_baud", - "uart2_baud", - CONFIG_DEFAULT_KERNEL_COMMAND_LINE -}; - -/* from arch/sparc/kernel/setup.c */ -#define RAMDISK_LOAD_FLAG 0x4000 -extern unsigned short root_flags; -extern unsigned short root_dev; -extern unsigned short ram_flags; -extern unsigned int sparc_ramdisk_image; -extern unsigned int sparc_ramdisk_size; -extern int root_mountflags; - -extern char initrd_end, initrd_start; - -/* Reboot the CPU = jump to beginning of flash again. - * - * Make sure that all function are inlined here. - */ -static void PROM_TEXT leon_reboot(char *bcommand) -{ - register char *arg = bcommand; - void __attribute__ ((noreturn)) (*reboot_physical) (char *cmd); - - /* get physical address */ - struct leon_prom_info *pspi = - (void *)(CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - unsigned int *srmmu_ctx_table; - - /* Turn of Interrupts */ - set_pil(0xf); - - /* Set kernel's context, context zero */ - srmmu_set_context(0); - - /* Get physical address of the MMU shutdown routine */ - reboot_physical = (void *) - SPARC_BYPASS_READ(&pspi->reloc_funcs.reboot_physical); - - /* Now that we know the physical address of the function - * we can make the MMU allow jumping to it. - */ - srmmu_ctx_table = (unsigned int *)srmmu_get_ctable_ptr(); - - srmmu_ctx_table = (unsigned int *)SPARC_BYPASS_READ(srmmu_ctx_table); - - /* get physical address of kernel's context table (assume ptd) */ - srmmu_ctx_table = (unsigned int *) - (((unsigned int)srmmu_ctx_table & 0xfffffffc) << 4); - - /* enable access to physical address of MMU shutdown function */ - SPARC_BYPASS_WRITE(&srmmu_ctx_table - [((unsigned int)reboot_physical) >> 24], - (((unsigned int)reboot_physical & 0xff000000) >> 4) | - 0x1e); - - /* flush TLB cache */ - leon_flush_tlb_all(); - - /* flash instruction & data cache */ - sparc_icache_flush_all(); - sparc_dcache_flush_all(); - - /* jump to physical address function - * so that when the MMU is disabled - * we can continue to execute - */ - reboot_physical(arg); -} - -static void PROM_TEXT leon_reboot_physical(char *bcommand) -{ - void __attribute__ ((noreturn)) (*reset) (void); - - /* Turn off MMU */ - srmmu_set_mmureg(0); - - /* Hardcoded start address */ - reset = CONFIG_SYS_MONITOR_BASE; - - /* flush data cache */ - sparc_dcache_flush_all(); - - /* flush instruction cache */ - sparc_icache_flush_all(); - - /* Jump to start in Flash */ - reset(); -} - -static void PROM_TEXT leon_halt(void) -{ - while (1) ; -} - -/* get single char, don't care for blocking*/ -static int PROM_TEXT leon_nbgetchar(void) -{ - return -1; -} - -/* put single char, don't care for blocking*/ -static int PROM_TEXT leon_nbputchar(int c) -{ - LEON2_regs *leon2 = (LEON2_regs *) LEON2_PREGS; - - /***** put char in buffer... *********** - * Make sure all functions are inline! * - ***************************************/ - - /* Wait for last character to go. */ - while (!(SPARC_BYPASS_READ(&leon2->UART_Status_1) - & LEON2_UART_STAT_THE)) ; - - /* Send data */ - SPARC_BYPASS_WRITE(&leon2->UART_Channel_1, c); - - /* Wait for data to be sent */ - while (!(SPARC_BYPASS_READ(&leon2->UART_Status_1) - & LEON2_UART_STAT_TSE)) ; - - return 0; -} - -/* node ops */ - -/*#define nodes ((struct node *)__va(&pspi->nodes))*/ -#define nodes ((struct node *)(pspi->nodes)) - -static int PROM_TEXT no_nextnode(int node) -{ - /* get physical address */ - struct leon_prom_info *pspi = - (void *)(CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - if (nodes[node].level == nodes[node + 1].level) - return node + 1; - return -1; -} - -static int PROM_TEXT no_child(int node) -{ - /* get physical address */ - struct leon_prom_info *pspi = (struct leon_prom_info *) - (CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - if (nodes[node].level == nodes[node + 1].level - 1) - return node + 1; - return -1; -} - -static struct property PROM_TEXT *find_property(int node, char *name) -{ - /* get physical address */ - struct leon_prom_info *pspi = (struct leon_prom_info *) - (CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - struct property *prop = &nodes[node].properties[0]; - while (prop && prop->name) { - if (pspi->reloc_funcs.strcmp(prop->name, name) == 0) - return prop; - prop++; - } - return NULL; -} - -static int PROM_TEXT no_proplen(int node, char *name) -{ - /* get physical address */ - struct leon_prom_info *pspi = (struct leon_prom_info *) - (CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - struct property *prop = pspi->reloc_funcs.find_property(node, name); - if (prop) - return prop->length; - return -1; -} - -static int PROM_TEXT no_getprop(int node, char *name, char *value) -{ - /* get physical address */ - struct leon_prom_info *pspi = (struct leon_prom_info *) - (CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - struct property *prop = pspi->reloc_funcs.find_property(node, name); - if (prop) { - pspi->reloc_funcs.memcpy(value, prop->value, prop->length); - return 1; - } - return -1; -} - -static int PROM_TEXT no_setprop(int node, char *name, char *value, int len) -{ - return -1; -} - -static char PROM_TEXT *no_nextprop(int node, char *name) -{ - /* get physical address */ - struct leon_prom_info *pspi = (struct leon_prom_info *) - (CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - struct property *prop; - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - if (!name || !name[0]) - return nodes[node].properties[0].name; - - prop = pspi->reloc_funcs.find_property(node, name); - if (prop) - return prop[1].name; - return NULL; -} - -static int PROM_TEXT leon_strcmp(const char *s1, const char *s2) -{ - register char result; - - while (1) { - result = *s1 - *s2; - if (result || !*s1) - break; - s2++; - s1++; - } - - return result; -} - -static void *PROM_TEXT leon_memcpy(void *dest, const void *src, size_t n) -{ - char *dst = (char *)dest, *source = (char *)src; - - while (n--) { - *dst = *source; - dst++; - source++; - } - return dest; -} - -#define GETREGSP(sp) __asm__ __volatile__("mov %%sp, %0" : "=r" (sp)) - -void leon_prom_init(struct leon_prom_info *pspi) -{ - unsigned long i; - unsigned char cksum, *ptr; - char *addr_str, *end; - unsigned long sp; - GETREGSP(sp); - - pspi->freq_khz = CONFIG_SYS_CLK_FREQ / 1000; - - /* Set Available main memory size */ - pspi->totphys.num_bytes = CONFIG_SYS_PROM_OFFSET - CONFIG_SYS_SDRAM_BASE; - pspi->avail.num_bytes = pspi->totphys.num_bytes; - -#undef nodes - pspi->nodes[3].level = -1; - pspi->nodes[3].properties = __va(spi.root_properties + 3); - - /* Set Ethernet MAC address from environment */ - if ((addr_str = getenv("ethaddr")) != NULL) { - for (i = 0; i < 6; i++) { - pspi->idprom.id_ethaddr[i] = addr_str ? - simple_strtoul(addr_str, &end, 16) : 0; - if (addr_str) { - addr_str = (*end) ? end + 1 : end; - } - } - } else { - /* HW Address not found in environment, - * Set default HW address - */ - pspi->idprom.id_ethaddr[0] = 0; - pspi->idprom.id_ethaddr[1] = 0; - pspi->idprom.id_ethaddr[2] = 0; - pspi->idprom.id_ethaddr[3] = 0; - pspi->idprom.id_ethaddr[4] = 0; - pspi->idprom.id_ethaddr[5] = 0; - } - - ptr = (unsigned char *)&pspi->idprom; - for (i = cksum = 0; i <= 0x0E; i++) - cksum ^= *ptr++; - pspi->idprom.id_cksum = cksum; -} - -static inline void set_cache(unsigned long regval) -{ - asm volatile ("sta %0, [%%g0] %1\n\t":: "r" (regval), "i"(2):"memory"); -} - -extern unsigned short bss_start, bss_end; - -/* mark as section .img.main.text, to be referenced in linker script */ -int prom_init(void) -{ - struct leon_prom_info *pspi = (void *) - ((((unsigned int)&spi) & PROM_SIZE_MASK) + CONFIG_SYS_PROM_OFFSET); - - /* disable mmu */ - srmmu_set_mmureg(0x00000000); - __asm__ __volatile__("flush\n\t"); - - /* init prom info struct */ - leon_prom_init(pspi); - - kernel_arg_promvec = &pspi->romvec; -#ifdef PRINT_ROM_VEC - printf("Kernel rom vec: 0x%lx\n", (unsigned int)(&pspi->romvec)); -#endif - return 0; -} - -/* Copy current kernel boot argument to ROMvec */ -void prepare_bootargs(char *bootargs) -{ - struct leon_prom_info *pspi; - char *src, *dst; - int left; - - /* if no bootargs set, skip copying ==> default bootline */ - if (bootargs && (*bootargs != '\0')) { - pspi = (void *)((((unsigned int)&spi) & PROM_SIZE_MASK) + - CONFIG_SYS_PROM_OFFSET); - src = bootargs; - dst = &pspi->arg[0]; - left = 255; /* max len */ - while (*src && left > 0) { - *dst++ = *src++; - left--; - } - /* terminate kernel command line string */ - *dst = 0; - } -} - -void srmmu_init_cpu(unsigned int entry) -{ - sparc_srmmu_setup *psrmmu_tables = (void *) - ((((unsigned int)&srmmu_tables) & PROM_SIZE_MASK) + - CONFIG_SYS_PROM_OFFSET); - - /* Make context 0 (kernel's context) point - * to our prepared memory mapping - */ -#define PTD 1 - psrmmu_tables->ctx_table[0] = - ((unsigned int)&psrmmu_tables->pgd_table[0x00]) >> 4 | PTD; - - /* Set virtual kernel address 0xf0000000 - * to SRAM/SDRAM address. - * Make it READ/WRITE/EXEC to SuperUser - */ -#define PTE 2 -#define ACC_SU_ALL 0x1c - psrmmu_tables->pgd_table[0xf0] = - (CONFIG_SYS_SDRAM_BASE >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf1] = - ((CONFIG_SYS_SDRAM_BASE + 0x1000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf2] = - ((CONFIG_SYS_SDRAM_BASE + 0x2000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf3] = - ((CONFIG_SYS_SDRAM_BASE + 0x3000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf4] = - ((CONFIG_SYS_SDRAM_BASE + 0x4000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf5] = - ((CONFIG_SYS_SDRAM_BASE + 0x5000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf6] = - ((CONFIG_SYS_SDRAM_BASE + 0x6000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf7] = - ((CONFIG_SYS_SDRAM_BASE + 0x7000000) >> 4) | ACC_SU_ALL | PTE; - - /* convert rom vec pointer to virtual address */ - kernel_arg_promvec = (struct linux_romvec *) - (((unsigned int)kernel_arg_promvec & 0x0fffffff) | 0xf0000000); - - /* Set Context pointer to point to context table - * 256 contexts supported. - */ - srmmu_set_ctable_ptr((unsigned int)&psrmmu_tables->ctx_table[0]); - - /* Set kernel's context, context zero */ - srmmu_set_context(0); - - /* Invalidate all Cache */ - __asm__ __volatile__("flush\n\t"); - - srmmu_set_mmureg(0x00000001); - leon_flush_tlb_all(); - leon_flush_cache_all(); -} diff --git a/arch/sparc/cpu/leon2/serial.c b/arch/sparc/cpu/leon2/serial.c deleted file mode 100644 index 460abd1..0000000 --- a/arch/sparc/cpu/leon2/serial.c +++ /dev/null @@ -1,147 +0,0 @@ -/* GRLIB APBUART Serial controller driver - * - * (C) Copyright 2008, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <serial.h> -#include <watchdog.h> - -DECLARE_GLOBAL_DATA_PTR; - -static unsigned leon2_serial_calc_scaler(unsigned freq, unsigned baud) -{ - return (((freq*10) / (baud*8)) - 5) / 10; -} - -static int leon2_serial_init(void) -{ - LEON2_regs *leon2 = (LEON2_regs *)LEON2_PREGS; - LEON2_Uart_regs *regs; - unsigned int tmp; - -#if LEON2_CONSOLE_SELECT == LEON_CONSOLE_UART1 - regs = (LEON2_Uart_regs *)&leon2->UART_Channel_1; -#else - regs = (LEON2_Uart_regs *)&leon2->UART_Channel_2; -#endif - - /* Set scaler / baud rate */ - tmp = leon2_serial_calc_scaler(CONFIG_SYS_CLK_FREQ, CONFIG_BAUDRATE); - writel(tmp, ®s->UART_Scaler); - - /* Let bit 11 be unchanged (debug bit for GRMON) */ - tmp = readl(®s->UART_Control) & LEON2_UART_CTRL_DBG; - tmp |= (LEON2_UART1_LOOPBACK_ENABLE << 7); - tmp |= (LEON2_UART1_FLOWCTRL_ENABLE << 6); - tmp |= (LEON2_UART1_PARITY_ENABLE << 5); - tmp |= (LEON2_UART1_ODDPAR_ENABLE << 4); - /* Receiver & transmitter enable */ - tmp |= (LEON2_UART_CTRL_RE | LEON2_UART_CTRL_TE); - writel(tmp, ®s->UART_Control); - - gd->arch.uart = regs; - return 0; -} - -static inline LEON2_Uart_regs *leon2_get_uart_regs(void) -{ - LEON2_Uart_regs *uart = gd->arch.uart; - - return uart; -} - -static void leon2_serial_putc_raw(const char c) -{ - LEON2_Uart_regs *uart = leon2_get_uart_regs(); - - if (!uart) - return; - - /* Wait for last character to go. */ - while (!(readl(&uart->UART_Status) & LEON2_UART_STAT_THE)) - WATCHDOG_RESET(); - - /* Send data */ - writel(c, &uart->UART_Channel); - -#ifdef LEON_DEBUG - /* Wait for data to be sent */ - while (!(readl(&uart->UART_Status) & LEON2_UART_STAT_TSE)) - WATCHDOG_RESET(); -#endif -} - -static void leon2_serial_putc(const char c) -{ - if (c == '\n') - leon2_serial_putc_raw('\r'); - - leon2_serial_putc_raw(c); -} - -static int leon2_serial_getc(void) -{ - LEON2_Uart_regs *uart = leon2_get_uart_regs(); - - if (!uart) - return 0; - - /* Wait for a character to arrive. */ - while (!(readl(&uart->UART_Status) & LEON2_UART_STAT_DR)) - WATCHDOG_RESET(); - - /* Read character data */ - return readl(&uart->UART_Channel); -} - -static int leon2_serial_tstc(void) -{ - LEON2_Uart_regs *uart = leon2_get_uart_regs(); - - if (!uart) - return 0; - - return readl(&uart->UART_Status) & LEON2_UART_STAT_DR; -} - -static void leon2_serial_setbrg(void) -{ - LEON2_Uart_regs *uart = leon2_get_uart_regs(); - unsigned int scaler; - - if (!uart) - return; - - if (!gd->baudrate) - gd->baudrate = CONFIG_BAUDRATE; - - scaler = leon2_serial_calc_scaler(CONFIG_SYS_CLK_FREQ, gd->baudrate); - - writel(scaler, &uart->UART_Scaler); -} - -static struct serial_device leon2_serial_drv = { - .name = "leon2_serial", - .start = leon2_serial_init, - .stop = NULL, - .setbrg = leon2_serial_setbrg, - .putc = leon2_serial_putc, - .puts = default_serial_puts, - .getc = leon2_serial_getc, - .tstc = leon2_serial_tstc, -}; - -void leon2_serial_initialize(void) -{ - serial_register(&leon2_serial_drv); -} - -__weak struct serial_device *default_serial_console(void) -{ - return &leon2_serial_drv; -} diff --git a/arch/sparc/cpu/leon2/start.S b/arch/sparc/cpu/leon2/start.S deleted file mode 100644 index 1b404da..0000000 --- a/arch/sparc/cpu/leon2/start.S +++ /dev/null @@ -1,695 +0,0 @@ -/* This is where the SPARC/LEON3 starts - * - * Copyright (C) 2007, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm-offsets.h> -#include <config.h> -#include <asm/asmmacro.h> -#include <asm/winmacro.h> -#include <asm/psr.h> -#include <asm/stack.h> -#include <asm/leon.h> - -/* Entry for traps which jump to a programmer-specified trap handler. */ -#define TRAPR(H) \ - wr %g0, 0xfe0, %psr; \ - mov %g0, %tbr; \ - ba (H); \ - mov %g0, %wim; - -#define TRAP(H) \ - mov %psr, %l0; \ - ba (H); \ - nop; nop; - -#define TRAPI(ilevel) \ - mov ilevel, %l7; \ - mov %psr, %l0; \ - b _irq_entry; \ - mov %wim, %l3 - -/* Unexcpected trap will halt the processor by forcing it to error state */ -#undef BAD_TRAP -#define BAD_TRAP ta 0; nop; nop; nop; - -/* Software trap. Treat as BAD_TRAP for the time being... */ -#define SOFT_TRAP TRAP(_hwerr) - -#define PSR_INIT 0x1FC0 /* Disable traps, set s and ps */ -#define WIM_INIT 2 - -/* All traps low-level code here must end with this macro. */ -#define RESTORE_ALL b ret_trap_entry; clr %l6; - -#define WRITE_PAUSE nop;nop;nop - -WINDOWSIZE = (16 * 4) -ARGPUSHSIZE = (6 * 4) -ARGPUSH = (WINDOWSIZE + 4) -MINFRAME = (WINDOWSIZE + ARGPUSHSIZE + 4) - -/* Number of register windows */ -#ifndef CONFIG_SYS_SPARC_NWINDOWS -#error Must define number of SPARC register windows, default is 8 -#endif - -/* Macros to load address into a register. Uses GOT table for PIC */ -#ifdef __PIC__ - -#define SPARC_PIC_THUNK_CALL(reg) \ - sethi %pc22(_GLOBAL_OFFSET_TABLE_-4), %##reg; \ - call __sparc_get_pc_thunk.reg; \ - add %##reg, %pc10(_GLOBAL_OFFSET_TABLE_+4), %##reg; - -#define SPARC_LOAD_ADDRESS(sym, got, reg) \ - sethi %gdop_hix22(sym), %##reg; \ - xor %##reg, %gdop_lox10(sym), %##reg; \ - ld [%##got + %##reg], %##reg, %gdop(sym); - -#else - -#define SPARC_PIC_THUNK_CALL(reg) -#define SPARC_LOAD_ADDRESS(sym, got, tmp) \ - set sym, %##reg; - -#endif - -#define STACK_ALIGN 8 -#define SA(X) (((X)+(STACK_ALIGN-1)) & ~(STACK_ALIGN-1)) - - .section ".start", "ax" - .globl _start, start, _trap_table - .globl _irq_entry, nmi_trap - .globl _reset_reloc - -/* at address 0 - * Hardware traps - */ -start: -_start: -_trap_table: - TRAPR(_hardreset); ! 00 reset trap - BAD_TRAP; ! 01 instruction_access_exception - BAD_TRAP; ! 02 illegal_instruction - BAD_TRAP; ! 03 priveleged_instruction - BAD_TRAP; ! 04 fp_disabled - TRAP(_window_overflow); ! 05 window_overflow - TRAP(_window_underflow); ! 06 window_underflow - BAD_TRAP; ! 07 Memory Address Not Aligned - BAD_TRAP; ! 08 Floating Point Exception - BAD_TRAP; ! 09 Data Miss Exception - BAD_TRAP; ! 0a Tagged Instruction Ovrflw - BAD_TRAP; ! 0b Watchpoint Detected - BAD_TRAP; ! 0c - BAD_TRAP; ! 0d - BAD_TRAP; ! 0e - BAD_TRAP; ! 0f - BAD_TRAP; ! 10 - TRAPI(1); ! 11 IRQ level 1 - TRAPI(2); ! 12 IRQ level 2 - TRAPI(3); ! 13 IRQ level 3 - TRAPI(4); ! 14 IRQ level 4 - TRAPI(5); ! 15 IRQ level 5 - TRAPI(6); ! 16 IRQ level 6 - TRAPI(7); ! 17 IRQ level 7 - TRAPI(8); ! 18 IRQ level 8 - TRAPI(9); ! 19 IRQ level 9 - TRAPI(10); ! 1a IRQ level 10 - TRAPI(11); ! 1b IRQ level 11 - TRAPI(12); ! 1c IRQ level 12 - TRAPI(13); ! 1d IRQ level 13 - TRAPI(14); ! 1e IRQ level 14 - TRAP(_nmi_trap); ! 1f IRQ level 15 / - ! NMI (non maskable interrupt) - BAD_TRAP; ! 20 r_register_access_error - BAD_TRAP; ! 21 instruction access error - BAD_TRAP; ! 22 - BAD_TRAP; ! 23 - BAD_TRAP; ! 24 co-processor disabled - BAD_TRAP; ! 25 uniplemented FLUSH - BAD_TRAP; ! 26 - BAD_TRAP; ! 27 - BAD_TRAP; ! 28 co-processor exception - BAD_TRAP; ! 29 data access error - BAD_TRAP; ! 2a division by zero - BAD_TRAP; ! 2b data store error - BAD_TRAP; ! 2c data access MMU miss - BAD_TRAP; ! 2d - BAD_TRAP; ! 2e - BAD_TRAP; ! 2f - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 30-33 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 34-37 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 38-3b - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 3c-3f - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 40-43 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 44-47 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 48-4b - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 4c-4f - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 50-53 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 54-57 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 58-5b - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 5c-5f - - /* implementaion dependent */ - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 60-63 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 64-67 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 68-6b - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 6c-6f - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 70-73 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 74-77 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 78-7b - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 7c-7f - - /* Software traps, not handled */ - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 80-83 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 84-87 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 88-8b - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 8c-8f - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 90-93 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 94-97 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 98-9b - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 9c-9f - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a0-a3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a4-a7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a8-ab - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! ac-af - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b0-b3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b4-b7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b8-bb - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! bc-bf - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c0-c3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c4-c7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c8-cb - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! cc-cf - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d0-d3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d4-d7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d8-db - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! dc-df - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e0-e3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e4-e7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e8-eb - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! ec-ef - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f0-f3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f4-f7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f8-fb - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! fc-ff - - .section ".text" - .align 4 - -_hardreset: -1000: - flush - nop - nop - nop - - /* Init Cache */ - set (LEON2_PREGS+LEON_REG_CACHECTRL_OFFSET), %g1 - set 0x0081000f, %g2 - st %g2, [%g1] - - mov %g0, %y - clr %g1 - clr %g2 - clr %g3 - clr %g4 - clr %g5 - clr %g6 - clr %g7 - - mov %asr17, %g3 - and %g3, 0x1f, %g3 -clear_window: - mov %g0, %l0 - mov %g0, %l1 - mov %g0, %l2 - mov %g0, %l3 - mov %g0, %l4 - mov %g0, %l5 - mov %g0, %l6 - mov %g0, %l7 - mov %g0, %o0 - mov %g0, %o1 - mov %g0, %o2 - mov %g0, %o3 - mov %g0, %o4 - mov %g0, %o5 - mov %g0, %o6 - mov %g0, %o7 - subcc %g3, 1, %g3 - bge clear_window - save - -leon2_init: - /* LEON2 Register Base in g1 */ - set LEON2_PREGS, %g1 - -leon2_init_cache: - /* Set Cache control register */ - set 0x1000f, %g2 - st %g2, [%g1 + 0x14] - -leon2_init_clear: - - /* Clear LEON2 registers */ - st %g0, [%g1 + LEON2_ECTRL] - st %g0, [%g1 + LEON2_IMASK] - st %g0, [%g1 + LEON2_IPEND] - st %g0, [%g1 + LEON2_IFORCE] - st %g0, [%g1 + LEON2_ICLEAR] - st %g0, [%g1 + LEON2_IOREG] - st %g0, [%g1 + LEON2_IODIR] - st %g0, [%g1 + LEON2_IOICONF] - st %g0, [%g1 + LEON2_UCTRL0] - st %g0, [%g1 + LEON2_UCTRL1] - -leon2_init_ioport: - /* I/O port initialization */ - set 0xaa00, %g2 - st %g2, [%g1 + LEON2_IOREG] - -leon2_init_mctrl: - - /* memory config register 1 */ - set CONFIG_SYS_GRLIB_MEMCFG1, %g2 - ld [%g1], %g3 ! - and %g3, 0x300, %g3 - or %g2, %g3, %g2 - st %g2, [%g1 + LEON2_MCFG1] - set CONFIG_SYS_GRLIB_MEMCFG2, %g2 ! Load memory config register 2 -#if !( defined(TSIM) || !defined(BZIMAGE)) - st %g2, [%g1 + LEON2_MCFG2] ! only for prom version, else done by "dumon -i" -#endif - set CONFIG_SYS_GRLIB_MEMCFG3, %g2 ! Init FT register - st %g2, [%g1 + LEON2_ECTRL] - ld [%g1 + LEON2_ECTRL], %g2 - srl %g2, 30, %g2 - andcc %g2, 3, %g6 - bne,a leon2_init_wim - mov %g0, %asr16 ! clear err_reg - -leon2_init_wim: - set WIM_INIT, %g3 - mov %g3, %wim - -leon2_init_psr: - set 0x1000, %g3 - mov %psr, %g2 - wr %g2, %g3, %psr - nop - nop - nop - -leon2_init_stackp: - set CONFIG_SYS_INIT_SP_OFFSET, %fp - andn %fp, 0x0f, %fp - sub %fp, 64, %sp - -leon2_init_tbr: - set CONFIG_SYS_TEXT_BASE, %g2 - wr %g0, %g2, %tbr - nop - nop - nop - -cpu_init_unreloc: - call cpu_init_f - nop - -board_init_unreloc: - call board_init_f - clr %o0 ! boot_flags - -dead_unreloc: - ba dead_unreloc ! infinte loop - nop - -!------------------------------------------------------------------------------- - -/* void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM after - * relocating the monitor code. - * - * %o0 = Relocated stack pointer - * %o1 = Relocated global data pointer - * %o2 = Relocated text pointer - */ - .globl relocate_code - .type relocate_code, #function - .align 4 -relocate_code: - SPARC_PIC_THUNK_CALL(l7) - -/* un relocated start address of monitor */ -#define TEXT_START _text - -/* un relocated end address of monitor */ -#define DATA_END __init_end - -reloc: - SPARC_LOAD_ADDRESS(TEXT_START, l7, g2) - SPARC_LOAD_ADDRESS(DATA_END, l7, g3) - mov %o2, %g4 ! relocation address - sub %g4, %g2, %g6 ! relocation offset - /* copy .text & .data to relocated address */ -10: ldd [%g2], %l0 - ldd [%g2+8], %l2 - std %l0, [%g4] - std %l2, [%g4+8] - inc 16, %g2 ! src += 16 - cmp %g2, %g3 - bcs 10b ! while (src < end) - inc 16, %g4 ! dst += 16 - - clr %l0 - clr %l1 - clr %l2 - clr %l3 - clr %g2 - -/* register g4 contain address to start - * This means that BSS must be directly after data and code segments - * - * g3 is length of bss = (__bss_end-__bss_start) - * - */ - - /* clear bss area (the relocated) */ -clr_bss: - SPARC_LOAD_ADDRESS(__bss_start, l7, g2) - SPARC_LOAD_ADDRESS(__bss_end, l7, g3) - sub %g3,%g2,%g3 ! length of .bss area - add %g3,%g4,%g3 - /* clearing 16byte a time ==> linker script need to align to 16 byte offset */ - clr %g1 /* std %g0 uses g0 and g1 */ -20: - std %g0, [%g4] - std %g0, [%g4+8] - inc 16, %g4 ! ptr += 16 - cmp %g4, %g3 - bcs 20b ! while (ptr < end) - nop - - /* add offsets to GOT table */ -fixup_got: - SPARC_LOAD_ADDRESS(__got_start, l7, g4) - add %g4, %g6, %g4 - SPARC_LOAD_ADDRESS(__got_end, l7, g3) - add %g3, %g6, %g3 -30: ld [%g4], %l0 ! load old GOT-PTR -#ifdef CONFIG_RELOC_GOT_SKIP_NULL - cmp %l0, 0 - be 32f -#endif - add %l0, %g6, %l0 ! relocate GOT pointer - st %l0, [%g4] -32: inc 4, %g4 ! ptr += 4 - cmp %g4, %g3 - bcs 30b ! while (ptr < end) - nop - -prom_relocate: - SPARC_LOAD_ADDRESS(__prom_start, l7, g2) - SPARC_LOAD_ADDRESS(__prom_end, l7, g3) - /* - * Calculated addres is stored in this variable by - * reserve_prom() function in common/board_f.c - */ - SPARC_LOAD_ADDRESS(__prom_start_reloc, l7, g4) - ld [%g4], %g4 - -40: ldd [%g2], %l0 - ldd [%g2+8], %l2 - std %l0, [%g4] - std %l2, [%g4+8] - inc 16, %g2 - cmp %g2, %g3 - bcs 40b - inc 16, %g4 - -! %o0 = stack pointer (relocated) -! %o1 = global data pointer (relocated) -! %o2 = text pointer (relocated) - -! %g6 = relocation offset -! %l7 = _GLOBAL_OFFSET_TABLE_ - -/* Trap table has been moved, lets tell CPU about - * the new trap table address - */ -update_trap_table_address: - wr %g0, %o2, %tbr - nop - nop - nop - -update_stack_pointers: - mov %o0, %fp - andn %fp, 0x0f, %fp ! align to 16 bytes - add %fp, -64, %fp ! make space for a window push - mov %fp, %sp ! setup stack pointer - -jump_board_init_r: - mov %o1, %o0 ! relocated global data pointer - mov %o2, %o1 ! relocated text pointer - SPARC_LOAD_ADDRESS(board_init_r, l7, o3) - add %o3, %g6, %o3 ! add relocation offset - call %o3 - nop - -dead: ta 0 ! if call returns... - nop - -!------------------------------------------------------------------------------ - -/* Interrupt handler caller, - * reg L7: interrupt number - * reg L0: psr after interrupt - * reg L1: PC - * reg L2: next PC - * reg L3: wim - */ -_irq_entry: - SAVE_ALL - - or %l0, PSR_PIL, %g2 - wr %g2, 0x0, %psr - WRITE_PAUSE - wr %g2, PSR_ET, %psr - WRITE_PAUSE - mov %l7, %o0 ! irq level - set handler_irq, %o1 - set (CONFIG_SYS_RELOC_MONITOR_BASE-CONFIG_SYS_TEXT_BASE), %o2 - add %o1, %o2, %o1 - call %o1 - add %sp, SF_REGS_SZ, %o1 ! pt_regs ptr - or %l0, PSR_PIL, %g2 ! restore PIL after handler_irq - wr %g2, PSR_ET, %psr ! keep ET up - WRITE_PAUSE - - RESTORE_ALL - -!------------------------------------------------------------------------------ - -/* - * Window overflow trap handler. - */ - .global _window_overflow - -_window_overflow: - - mov %wim, %l3 ! Calculate next WIM - mov %g1, %l7 - srl %l3, 1, %g1 - sll %l3, (CONFIG_SYS_SPARC_NWINDOWS-1), %l4 - or %l4, %g1, %g1 - - save ! Get into window to be saved. - mov %g1, %wim - nop; nop; nop - st %l0, [%sp + 0]; - st %l1, [%sp + 4]; - st %l2, [%sp + 8]; - st %l3, [%sp + 12]; - st %l4, [%sp + 16]; - st %l5, [%sp + 20]; - st %l6, [%sp + 24]; - st %l7, [%sp + 28]; - st %i0, [%sp + 32]; - st %i1, [%sp + 36]; - st %i2, [%sp + 40]; - st %i3, [%sp + 44]; - st %i4, [%sp + 48]; - st %i5, [%sp + 52]; - st %i6, [%sp + 56]; - st %i7, [%sp + 60]; - restore ! Go back to trap window. - mov %l7, %g1 - jmp %l1 ! Re-execute save. - rett %l2 - -/* - * Window underflow trap handler. - */ - .global _window_underflow - -_window_underflow: - - mov %wim, %l3 ! Calculate next WIM - sll %l3, 1, %l4 - srl %l3, (CONFIG_SYS_SPARC_NWINDOWS-1), %l5 - or %l5, %l4, %l5 - mov %l5, %wim - nop; nop; nop - restore ! Two restores to get into the - restore ! window to restore - ld [%sp + 0], %l0; ! Restore window from the stack - ld [%sp + 4], %l1; - ld [%sp + 8], %l2; - ld [%sp + 12], %l3; - ld [%sp + 16], %l4; - ld [%sp + 20], %l5; - ld [%sp + 24], %l6; - ld [%sp + 28], %l7; - ld [%sp + 32], %i0; - ld [%sp + 36], %i1; - ld [%sp + 40], %i2; - ld [%sp + 44], %i3; - ld [%sp + 48], %i4; - ld [%sp + 52], %i5; - ld [%sp + 56], %i6; - ld [%sp + 60], %i7; - save ! Get back to the trap window. - save - jmp %l1 ! Re-execute restore. - rett %l2 - -!------------------------------------------------------------------------------ - -_nmi_trap: - nop - jmp %l1 - rett %l2 - -_hwerr: - ta 0 - nop - nop - b _hwerr ! loop infinite - nop - -/* Registers to not touch at all. */ -#define t_psr l0 /* Set by caller */ -#define t_pc l1 /* Set by caller */ -#define t_npc l2 /* Set by caller */ -#define t_wim l3 /* Set by caller */ -#define t_twinmask l4 /* Set at beginning of this entry routine. */ -#define t_kstack l5 /* Set right before pt_regs frame is built */ -#define t_retpc l6 /* If you change this, change winmacro.h header file */ -#define t_systable l7 /* Never touch this, could be the syscall table ptr. */ -#define curptr g6 /* Set after pt_regs frame is built */ - -trap_setup: -/* build a pt_regs trap frame. */ - sub %fp, (SF_REGS_SZ + PT_REGS_SZ), %t_kstack - PT_STORE_ALL(t_kstack, t_psr, t_pc, t_npc, g2) - - /* See if we are in the trap window. */ - mov 1, %t_twinmask - sll %t_twinmask, %t_psr, %t_twinmask ! t_twinmask = (1 << psr) - andcc %t_twinmask, %t_wim, %g0 - beq 1f ! in trap window, clean up - nop - - /*------------------------------------------------- - * Spill , adjust %wim and go. - */ - srl %t_wim, 0x1, %g2 ! begin computation of new %wim - - set (CONFIG_SYS_SPARC_NWINDOWS-1), %g3 !NWINDOWS-1 - - sll %t_wim, %g3, %t_wim ! NWINDOWS-1 - or %t_wim, %g2, %g2 - and %g2, 0xff, %g2 - - save %g0, %g0, %g0 ! get in window to be saved - - /* Set new %wim value */ - wr %g2, 0x0, %wim - - /* Save the kernel window onto the corresponding stack. */ - RW_STORE(sp) - - restore %g0, %g0, %g0 - /*-------------------------------------------------*/ - -1: - /* Trap from kernel with a window available. - * Just do it... - */ - jmpl %t_retpc + 0x8, %g0 ! return to caller - mov %t_kstack, %sp ! jump onto new stack - -#define twin_tmp1 l4 -#define glob_tmp g4 -#define curptr g6 -ret_trap_entry: - wr %t_psr, 0x0, %psr ! enable nesting again, clear ET - - /* Will the rett land us in the invalid window? */ - mov 2, %g1 - sll %g1, %t_psr, %g1 - - set CONFIG_SYS_SPARC_NWINDOWS, %g2 !NWINDOWS - - srl %g1, %g2, %g2 - or %g1, %g2, %g1 - rd %wim, %g2 - andcc %g2, %g1, %g0 - be 1f ! Nope, just return from the trap - sll %g2, 0x1, %g1 - - /* We have to grab a window before returning. */ - set (CONFIG_SYS_SPARC_NWINDOWS-1), %g3 !NWINDOWS-1 - - srl %g2, %g3, %g2 - or %g1, %g2, %g1 - and %g1, 0xff, %g1 - - wr %g1, 0x0, %wim - - /* Grrr, make sure we load from the right %sp... */ - PT_LOAD_ALL(sp, t_psr, t_pc, t_npc, g1) - - restore %g0, %g0, %g0 - RW_LOAD(sp) - b 2f - save %g0, %g0, %g0 - - /* Reload the entire frame in case this is from a - * kernel system call or whatever... - */ -1: - PT_LOAD_ALL(sp, t_psr, t_pc, t_npc, g1) -2: - wr %t_psr, 0x0, %psr - nop; - nop; - nop - - jmp %t_pc - rett %t_npc - -/* This is called from relocated C-code. - * It resets the system by jumping to _start - */ -_reset_reloc: - set start, %l0 - call %l0 - nop diff --git a/arch/sparc/cpu/leon3/Makefile b/arch/sparc/cpu/leon3/Makefile deleted file mode 100644 index f4cf43c..0000000 --- a/arch/sparc/cpu/leon3/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# -# (C) Copyright 2003-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -extra-y = start.o -obj-y = cpu_init.o serial.o cpu.o ambapp.o ambapp_low.o ambapp_low_c.o \ - interrupts.o prom.o usb_uhci.o memcfg.o memcfg_low.o diff --git a/arch/sparc/cpu/leon3/ambapp.c b/arch/sparc/cpu/leon3/ambapp.c deleted file mode 100644 index 47769cf..0000000 --- a/arch/sparc/cpu/leon3/ambapp.c +++ /dev/null @@ -1,316 +0,0 @@ -/* GRLIB AMBA Plug&Play information scanning, relies on assembler - * routines. - * - * (C) Copyright 2010, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* #define DEBUG */ - -#include <common.h> -#include <malloc.h> -#include <ambapp.h> -#include <config.h> - -/************ C INTERFACE OF ASSEMBLER SCAN ROUTINES ************/ -struct ambapp_find_apb_info { - /* Address of APB device Plug&Play information */ - struct ambapp_pnp_apb *pnp; - /* AHB Bus index of where the APB-Master Bridge device was found */ - int ahb_bus_index; - int dec_index; -}; - -struct ambapp_find_ahb_info { - /* Address of AHB device Plug&Play information */ - struct ambapp_pnp_ahb *pnp; - /* AHB Bus index of where the AHB device was found */ - int ahb_bus_index; - int dec_index; -}; - -extern void ambapp_find_buses(unsigned int ioarea, struct ambapp_bus *abus); - -extern int ambapp_find_apb(struct ambapp_bus *abus, unsigned int dev_vend, - int index, struct ambapp_find_apb_info *result); - -extern int ambapp_find_ahb(struct ambapp_bus *abus, unsigned int dev_vend, - int index, int type, struct ambapp_find_ahb_info *result); - -/************ C ROUTINES USED BY U-BOOT AMBA CORE DRIVERS ************/ -struct ambapp_bus ambapp_plb __section(.data); - -void ambapp_bus_init( - unsigned int ioarea, - unsigned int freq, - struct ambapp_bus *abus) -{ - int i; - - ambapp_find_buses(ioarea, abus); - for (i = 0; i < 6; i++) - if (abus->ioareas[i] == 0) - break; - abus->buses = i; - abus->freq = freq; -} - -/* Parse APB PnP Information */ -void ambapp_apb_parse(struct ambapp_find_apb_info *info, ambapp_apbdev *dev) -{ - struct ambapp_pnp_apb *apb = info->pnp; - unsigned int apbbase = (unsigned int)apb & 0xfff00000; - - dev->vendor = amba_vendor(apb->id); - dev->device = amba_device(apb->id); - dev->irq = amba_irq(apb->id); - dev->ver = amba_ver(apb->id); - dev->address = (apbbase | (((apb->iobar & 0xfff00000) >> 12))) & - (((apb->iobar & 0x0000fff0) << 4) | 0xfff00000); - dev->mask = amba_apb_mask(apb->iobar); - dev->ahb_bus_index = info->ahb_bus_index - 1; -} - -/* Parse AHB PnP information */ -void ambapp_ahb_parse(struct ambapp_find_ahb_info *info, ambapp_ahbdev *dev) -{ - struct ambapp_pnp_ahb *ahb = info->pnp; - unsigned int ahbbase = (unsigned int)ahb & 0xfff00000; - int i, type; - unsigned int addr, mask, mbar; - - dev->vendor = amba_vendor(ahb->id); - dev->device = amba_device(ahb->id); - dev->irq = amba_irq(ahb->id); - dev->ver = amba_ver(ahb->id); - dev->userdef[0] = ahb->custom[0]; - dev->userdef[1] = ahb->custom[1]; - dev->userdef[2] = ahb->custom[2]; - dev->ahb_bus_index = info->ahb_bus_index - 1; - for (i = 0; i < 4; i++) { - mbar = ahb->mbar[i]; - addr = amba_membar_start(mbar); - type = amba_membar_type(mbar); - if (type == AMBA_TYPE_AHBIO) { - addr = amba_ahbio_adr(addr, ahbbase); - mask = (((unsigned int) - (amba_membar_mask((~mbar))<<8)|0xff))+1; - } else { - /* AHB memory area, absolute address */ - mask = (~((unsigned int) - (amba_membar_mask(mbar)<<20)))+1; - } - dev->address[i] = addr; - dev->mask[i] = mask; - dev->type[i] = type; - } -} - -int ambapp_apb_find(struct ambapp_bus *abus, int vendor, int device, - int index, ambapp_apbdev *dev) -{ - unsigned int devid = AMBA_PNP_ID(vendor, device); - int found; - struct ambapp_find_apb_info apbdev; - - found = ambapp_find_apb(abus, devid, index, &apbdev); - if (found == 1) - ambapp_apb_parse(&apbdev, dev); - - return found; -} - -int ambapp_apb_count(struct ambapp_bus *abus, int vendor, int device) -{ - unsigned int devid = AMBA_PNP_ID(vendor, device); - int found; - struct ambapp_find_apb_info apbdev; - - found = ambapp_find_apb(abus, devid, 63, &apbdev); - if (found == 1) - return 64; - else - return 63 - apbdev.dec_index; -} - -int ambapp_ahb_find(struct ambapp_bus *abus, int vendor, int device, - int index, ambapp_ahbdev *dev, int type) -{ - int found; - struct ambapp_find_ahb_info ahbdev; - unsigned int devid = AMBA_PNP_ID(vendor, device); - - found = ambapp_find_ahb(abus, devid, index, type, &ahbdev); - if (found == 1) - ambapp_ahb_parse(&ahbdev, dev); - - return found; -} - -int ambapp_ahbmst_find(struct ambapp_bus *abus, int vendor, int device, - int index, ambapp_ahbdev *dev) -{ - return ambapp_ahb_find(abus, vendor, device, index, dev, DEV_AHB_MST); -} - -int ambapp_ahbslv_find(struct ambapp_bus *abus, int vendor, int device, - int index, ambapp_ahbdev *dev) -{ - return ambapp_ahb_find(abus, vendor, device, index, dev, DEV_AHB_SLV); -} - -int ambapp_ahb_count(struct ambapp_bus *abus, int vendor, int device, int type) -{ - int found; - struct ambapp_find_ahb_info ahbdev; - unsigned int devid = AMBA_PNP_ID(vendor, device); - - found = ambapp_find_ahb(abus, devid, 63, type, &ahbdev); - if (found == 1) - return 64; - else - return 63 - ahbdev.dec_index; -} - -int ambapp_ahbmst_count(struct ambapp_bus *abus, int vendor, int device) -{ - return ambapp_ahb_count(abus, vendor, device, DEV_AHB_MST); -} - -int ambapp_ahbslv_count(struct ambapp_bus *abus, int vendor, int device) -{ - return ambapp_ahb_count(abus, vendor, device, DEV_AHB_SLV); -} - -/* The define CONFIG_SYS_GRLIB_SINGLE_BUS may be defined on GRLIB systems - * where only one AHB Bus is available - no bridges are present. This option - * is available only to reduce the footprint. - * - * Defining this on a multi-bus GRLIB system may also work depending on the - * design. - */ - -#ifndef CONFIG_SYS_GRLIB_SINGLE_BUS - -/* GAISLER AHB2AHB Version 1 Bridge Definitions */ -#define AHB2AHB_V1_FLAG_FFACT 0x0f0 /* Frequency factor against top bus */ -#define AHB2AHB_V1_FLAG_FFACT_DIR 0x100 /* Factor direction, 0=down, 1=up */ -#define AHB2AHB_V1_FLAG_MBUS 0x00c /* Master bus number mask */ -#define AHB2AHB_V1_FLAG_SBUS 0x003 /* Slave bus number mask */ - -/* Get Parent bus frequency. Note that since we go from a "child" bus - * to a parent bus, the frequency factor direction is inverted. - */ -unsigned int gaisler_ahb2ahb_v1_freq(ambapp_ahbdev *ahb, unsigned int freq) -{ - int dir; - unsigned char ffact; - - /* Get division/multiple factor */ - ffact = (ahb->userdef[0] & AHB2AHB_V1_FLAG_FFACT) >> 4; - if (ffact != 0) { - dir = ahb->userdef[0] & AHB2AHB_V1_FLAG_FFACT_DIR; - - /* Calculate frequency by dividing or - * multiplying system frequency - */ - if (dir) - freq = freq * ffact; - else - freq = freq / ffact; - } - - return freq; -} - -/* AHB2AHB and L2CACHE ver 2 is not supported yet. */ -unsigned int gaisler_ahb2ahb_v2_freq(ambapp_ahbdev *ahb, unsigned int freq) -{ - panic("gaisler_ahb2ahb_v2_freq: AHB2AHB ver 2 not supported\n"); - return -1; -} -#endif - -/* Return the frequency of a AHB bus identified by index found - * note that this is not the AHB Bus number. - */ -unsigned int ambapp_bus_freq(struct ambapp_bus *abus, int ahb_bus_index) -{ - unsigned int freq = abus->freq; -#ifndef CONFIG_SYS_GRLIB_SINGLE_BUS - unsigned int ioarea, ioarea_parent, bridge_pnp_ofs; - struct ambapp_find_ahb_info ahbinfo; - ambapp_ahbdev ahb; - int parent; - - debug("ambapp_bus_freq: get freq on bus %d\n", ahb_bus_index); - - while (ahb_bus_index != 0) { - debug(" BUS[0]: 0x%08x\n", abus->ioareas[0]); - debug(" BUS[1]: 0x%08x\n", abus->ioareas[1]); - debug(" BUS[2]: 0x%08x\n", abus->ioareas[2]); - debug(" BUS[3]: 0x%08x\n", abus->ioareas[3]); - debug(" BUS[4]: 0x%08x\n", abus->ioareas[4]); - debug(" BUS[5]: 0x%08x\n", abus->ioareas[5]); - - /* Get I/O area of AHB bus */ - ioarea = abus->ioareas[ahb_bus_index]; - - debug(" IOAREA: 0x%08x\n", ioarea); - - /* Get parent bus */ - parent = (ioarea & 0x7); - if (parent == 0) { - panic("%s: parent=0 indicates no parent! Stopping.\n", - __func__); - return -1; - } - parent = parent - 1; - bridge_pnp_ofs = ioarea & 0x7e0; - - debug(" PARENT: %d\n", parent); - debug(" BRIDGE_OFS: 0x%08x\n", bridge_pnp_ofs); - - /* Get AHB/AHB bridge PnP address */ - ioarea_parent = (abus->ioareas[parent] & 0xfff00000) | - AMBA_CONF_AREA | AMBA_AHB_SLAVE_CONF_AREA; - ahbinfo.pnp = (struct ambapp_pnp_ahb *) - (ioarea_parent | bridge_pnp_ofs); - - debug(" IOAREA PARENT: 0x%08x\n", ioarea_parent); - debug(" BRIDGE PNP: 0x%p\n", ahbinfo.pnp); - - /* Parse the AHB information */ - ahbinfo.ahb_bus_index = parent; - ambapp_ahb_parse(&ahbinfo, &ahb); - - debug(" BRIDGE ID: VENDOR=%d(0x%x), DEVICE=%d(0x%x)\n", - ahb.vendor, ahb.vendor, ahb.device, ahb.device); - - /* Different bridges may convert frequency differently */ - if ((ahb.vendor == VENDOR_GAISLER) && - ((ahb.device == GAISLER_AHB2AHB) || - (ahb.device == GAISLER_L2CACHE))) { - /* Get new frequency */ - if (ahb.ver > 1) - freq = gaisler_ahb2ahb_v2_freq(&ahb, freq); - else - freq = gaisler_ahb2ahb_v1_freq(&ahb, freq); - - debug(" NEW FREQ: %dHz\n", freq); - } else { - panic("%s: unsupported AMBA bridge\n", __func__); - return -1; - } - - /* Step upwards towards system top bus */ - ahb_bus_index = parent; - } -#endif - - debug("ambapp_bus_freq: %dHz\n", freq); - - return freq; -} diff --git a/arch/sparc/cpu/leon3/ambapp_low.S b/arch/sparc/cpu/leon3/ambapp_low.S deleted file mode 100644 index 2863586..0000000 --- a/arch/sparc/cpu/leon3/ambapp_low.S +++ /dev/null @@ -1,784 +0,0 @@ -/* GRLIB AMBA Plug&Play information scanning implemented without - * using memory (stack) and one register window. The code scan - * the PnP info and inserts the AHB bridges/buses into register - * i0-i5. - * The code support - * - up to 6 AHB buses - * - multiple APB buses - * - support for AHB2AHB & L2CACHE bridges - * - * (C) Copyright 2010, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <ambapp.h> - - .seg "text" - .globl _nomem_amba_init - .globl _nomem_ambapp_find_buses - .globl _nomem_find_apb - .globl _nomem_find_ahb - -/* Overview - * ======== - * - * _nomem_amba_init - Init AMBA bus and calls _nomem_ambapp_find_buses - * _nomem_ambapp_find_buses - Scan AMBA PnP info for AHB buses/bridges and - * place them in i0-i5, see below - * _nomem_find_apb - Find one APB device identified by VENDOR:DEVICE - * ID and an index. - * _nomem_find_ahb - Find one AHB Master or Slave device identified - * by VENDOR:DEVICE ID and an index. - * init_ahb_bridges - Local function. Clears i0-i5 - * insert_ahb_bridge - Local function. Insert a new AHB bus into first - * free register in i0-i5. It also checks that the - * bus has not already been added. - * get_ahb_bridge - Local function. Get AHB bus from registers, - * return register iN, where N is defined by o0. - * - * The _nomem_find_apb and _nomem_find_ahb function requires that i0-i5 - * are populated with the AHB buses of the system. The registers are - * initialized by _nomem_ambapp_find_buses. - * - * AHB Bus result and requirements of i0-i5 - * ======================================== - * - * i0: AHB BUS0 IOAREA, no parent bus - * i1: AHB BUS1 IOAREA, parent bus is always i0 (AHB BUS0) and bridge address - * i2: AHB BUS2 IOAREA, 3-bit parent bus number and bridge address - * i3: AHB BUS3 IOAREA, 3-bit parent bus number and bridge address - * i4: AHB BUS4 IOAREA, 3-bit parent bus number and bridge address - * i5: AHB BUS5 IOAREA, 3-bit parent bus number and bridge address - * - * AHB BUS - * ------- - * Bits 31-20 (0xfff00000) contain the found bus I/O Area (AHB PnP area). - * - * 3-bit Parent bus - * ---------------- - * Bits 2-0 (0x00000007) contain parent bus number. Zero if no parent - * bus, 1 = parent is AHB BUS 0 (i0), 2 = parent is AHB BUS 1 (i1).. - * - * Bridge Address - * -------------- - * Bits 10-5 (0x000007e0) contain the index of the Bridge's PnP - * information on the parent. Since all bridges are found in the - * PnP information they all have a PnP entry. Together with the - * parent bus number the PnP entry can be found: - * PnPEntry = (BRIDGE_ADDRESS + (iN & 0xfff00000)) | 0x000ff800 - * where N is the parent bus minus one. - * - */ - -/* Function initializes the AHB Bridge I/O AREA storage. (Clears i0-i5) - * - * Arguments - * none - * - * Results - * none - * - * Clobbered - * none - */ - -init_ahb_bridges: - mov %g0, %i0 - mov %g0, %i1 - mov %g0, %i2 - mov %g0, %i3 - mov %g0, %i4 - retl - mov %g0, %i5 - -/* Function returns AHB Bridge I/O AREA for specified bus. - * - * Arguments - * - o0 = bus number - * - * Results - * - o0 = I/O AREA - * - * Clobbered - * none - */ -get_ahb_bridge: - cmp %o0, 1 - be,a L1 - mov %i0, %o0 - - cmp %o0, 2 - be,a L1 - mov %i1, %o0 - - cmp %o0, 3 - be,a L1 - mov %i2, %o0 - - cmp %o0, 4 - be,a L1 - mov %i3, %o0 - - cmp %o0, 5 - be,a L1 - mov %i4, %o0 - - cmp %o0, 6 - be,a L1 - mov %i5, %o0 - - /* o0 > 6: only 6 buses supported */ - mov %g0, %o0 -L1: - retl - nop - -/* Function adds a AHB Bridge I/O AREA to the i0-i5 registers if - * not already added. It stores the bus PnP start information. - * - * Arguments - * - o0 = AHB Bridge I/O area - * - * Results - * none - * - * Clobbered - * o2, o3 - */ -insert_ahb_bridge: - /* Check that bridge hasn't already been added */ - andn %o0, 0x7ff, %o2 - andn %i0, 0x7ff, %o3 - cmp %o3, %o2 - be L2 - andn %i1, 0x7ff, %o3 - cmp %o3, %o2 - be L2 - andn %i2, 0x7ff, %o3 - cmp %o3, %o2 - be L2 - andn %i3, 0x7ff, %o3 - cmp %o3, %o2 - be L2 - andn %i4, 0x7ff, %o3 - cmp %o3, %o2 - be L2 - andn %i5, 0x7ff, %o3 - cmp %o3, %o2 - be L2 - - /* Insert into first free posistion */ - cmp %i0, %g0 - be,a L2 - mov %o0, %i0 - - cmp %i1, %g0 - be,a L2 - mov %o0, %i1 - - cmp %i2, %g0 - be,a L2 - mov %o0, %i2 - - cmp %i3, %g0 - be,a L2 - mov %o0, %i3 - - cmp %i4, %g0 - be,a L2 - mov %o0, %i4 - - cmp %i5, %g0 - be,a L2 - mov %o0, %i5 -L2: - retl - nop - -/* FUNCTION int _nomem_find_ahb_bus( - * unsigned int bridge, - * int vendor_device, - * int index, - * void **pconf, - * int not_used, - * int option - * ) - * - * Scans the AHB Master or Slave area for a matching VENDOR:DEVICE, the - * index is decremented when a matching device is found but index is - * greater than zero. When index is zero and a matching DEVICE:VENDOR - * is found the AHB configuration address and AHB I/O area is returned. - * - * i0-i7,l0,l1,l2,l3,l4,g2,o6 is not available for use. - * o1,o5 Must be left untouched - * - * Results - * - o0 Number of found devices (1 or 0) - * - o2 is decremented for each matching VENDOR:DEVICE found, zero if found - * - o3 Address of the AHB PnP configuration entry (Only valid if o0=1) - * - * Clobbered - * - o3 (Clobbered when no device was found) - * - o4 (Number of Devices left to search) - * - o0 (Bus ID, PnP ID, Device) - */ -_nomem_find_ahb_bus: - - /* Get the number of Slaves/Masters. - * Only AHB Bus 0 has 64 AHB Masters/Slaves the - * other AHB buses has 16 slaves and 16 masters. - */ - add %g0, 16, %o4 /* Defaulting to 16 */ - andcc %o0, 0x7, %g0 /* 3-bit bus id */ - be,a .L_maxloops_detected - add %g0, 64, %o4 /* AHB Bus 0 has 64 AHB Masters/Slaves */ -.L_maxloops_detected: - - /* Get start address of AHB Slave or AHB Master area depending on what - * we are searching for. - */ - andn %o0, 0x7ff, %o0 /* Remove Bus ID and 5-bit AHB/AHB - * Bridge PnP Address to get I/O Area */ - set AMBA_CONF_AREA, %o3 - or %o3, %o0, %o3 /* Master area address */ - - cmp %o5, DEV_AHB_SLV - be,a .L_conf_area_calculated - or %o3, AMBA_AHB_SLAVE_CONF_AREA, %o3 /* Add 0x800 to get to slave area */ -.L_conf_area_calculated: - - /* Iterate over all AHB device and try to find matching DEVICE:VENDOR - * o1 - VENDOR|DEVICE - * o2 - Index - * o3 - Current AHB Device Configuration address - * o5 - Type (leave untouched) - * - * o4 - Number of AHB device left to process - * o0 - tmp - */ -.L_process_one_conf: - ld [%o3], %o0 - andn %o0, 0xfff, %o0 - cmp %o0, 0 /* No device if zero */ - beq .L_next_conf - cmp %o1, 0 /* If VENDOR:DEVICE==0, consider all matching */ - beq .L_process_ahb_dev_found - cmp %o0, %o1 /* Does VENDOR and DEVICE Match? */ - bne .L_next_conf - nop -.L_process_ahb_dev_found: - /* Found a Matching VENDOR:DEVICE, index must also match */ - cmp %o2, %g0 - bne .L_next_conf - dec %o2 - /* Index matches also, return happy with o3 set to AHB Conf Address */ - mov %g0, %o2 - retl - add %g0, 1, %o0 - -.L_next_conf: - subcc %o4, 1, %o4 /* One device has been processed, - * Are there more devices to process? */ - bne .L_process_one_conf - add %o3, AMBA_AHB_CONF_LENGH, %o3 /* Next Configuration entry */ - /* No Matching device found */ - retl - mov %g0, %o0 - -/* FUNCTION int _nomem_find_ahb( - * int unused, - * int vendor_device, - * int index, - * void **pconf, - * int *ahb_bus_index, - * int option, - * ) - * - * Find a AHB Master or AHB Slave device, it puts the address of the AHB PnP - * configuration in o3 (pconf), the I/O Area base address in o4 (pioarea). - * - * Calls _nomem_find_ahb_bus for every AHB bus. - * - * i0-i7, l0, l1, o6, g1, g4-g7 is not available for use. - * - * Arguments - * - o0 Unused - * - * Results - * - o0 Number of found devices (1 or 0) - * - o2 Decremented Index (Zero if found) - * - o3 Address of the AHB PnP configuration entry - * - o4 AHB Bus index the device was found on (if o0=1) - * - o5 Left untouched - * - * Clobbered - * - o0 (AHB Bridge and used by _nomem_find_ahb_bus) - * - o2 (index is decremented) - * - l2 (Current AHB Bus index) - * - g2 (return address) - */ -_nomem_find_ahb: - mov %o7, %g2 /* Save return address */ - /* Scan all AHB Buses found for the AHB Master/Slave matching VENDOR:DEVICE */ - clr %l2 -.L_search_next_ahb_bus: - add %l2, 1, %l2 - call get_ahb_bridge /* Get bus %l0 I/O Area */ - mov %l2, %o0 - cmp %o0, %g0 - be .L_no_device_found /* If no more AHB bus is left to be scanned, proceed */ - nop - call _nomem_find_ahb_bus /* Scan AHB bus %o0 for VENDOR:DEVICE. Index in o3 is decremented */ - nop - cmp %o0, %g0 /* If VENDOR:DEVICE was not found scan next AHB Bus */ - be .L_search_next_ahb_bus /* Do next bus is o0=0 (not found) */ - nop - /* The device was found, o0 is 1 */ - mov %g2, %o7 /* Restore return address */ - retl - mov %l2, %o4 /* The AHB bus index the device was found on */ - - /* No device found matching */ -.L_no_device_found: - mov %g2, %o7 /* Restore return address */ - retl - mov %g0, %o0 - - -/* FUNCTION int _nomem_find_apb_bus( - * int apbmst, - * int vendor_device, - * int index, - * void **pconf - * ) - * - * Find a APB Slave device, it puts the address of the APB PnP configuration - * in o3 (pconf). - * - * Calls _nomem_find_ahb_bus for every AHB bus searching for AHB/APB Bridges. - * The AHB/APB bridges are AHB Slaves with ID GAISLER_APBMST. - * - * Results - * - o0 Number of found devices (1 or 0) - * - o2 Decremented Index - * - o3 Address of the found APB device PnP configuration entry - * - * Clobbered - * - o5 PnP VENDOR:DEVICE ID - */ - -_nomem_find_apb_bus: - set AMBA_CONF_AREA, %o3 - or %o0, %o3, %o3 /* Calc start of APB device PnP info */ - add %g0, 16, %o0 /* o0, number of APB Slaves left to scan */ -.L_process_one_apb_conf: - ld [%o3], %o5 - andn %o5, 0xfff, %o5 - cmp %o5, 0 /* No device if zero */ - beq .L_process_apb_dev_not_found - cmp %o1, 0 /* If VENDOR:DEVICE == -1, consider all matching */ - beq .L_process_apb_dev_found - cmp %o1, %o5 /* Found VENDOR:DEVICE */ - bne .L_process_apb_dev_not_found - nop - -.L_process_apb_dev_found: - /* Found matching device, compare index */ - cmp %o2, %g0 - bne .L_process_apb_dev_not_found - dec %o2 - /* Matching index and VENDOR:DEVICE */ - retl - add %g0, 1, %o0 - -.L_process_apb_dev_not_found: - subcc %o0, 1, %o0 - bne .L_process_one_apb_conf - add %o3, 8, %o3 - retl - mov %g0, %o0 - -/* FUNCTION int _nomem_find_apb( - * int unused, - * int vendor_device, - * int index, - * void **pconf, - * int *ahb_bus_index - * ) - * - * Find a APB Slave device, it puts the address of the APB PnP configuration - * in o3 (pconf), the APB Master I/O Area base address in o4 (papbarea). - * - * Calls _nomem_find_ahb_bus for every AHB bus searching for AHB/APB Bridges. - * The AHB/APB bridges are AHB Slaves with ID GAISLER_APBMST. - * - * i0-i7, l0, l1, o6 is not available for use. - * - * Arguments - * - o0 Unused - * - * Results - * - o0 Number of found devices (1 or 0) - * - o2 Decremented Index if not found - * - o3 Address of the APB PnP configuration entry - * - o4 AHB Bus index of APB Bridge/APB Device - * - * Clobbered - * - o0 (AHB Bridge) - * - o2 (index is decremented) - * - l2 (APB DEV Index [7..4] : APBMST AHB Index [3..0]) - * - l3 (Current AHB Bus index) - * - l4 (temporary storage for APB VENDOR:DEVICE) - * - o5 (AHB Slave ID) - * - o0 (clobbered by _nomem_find_ahb_bus) - * - g2 (Return address) - */ -_nomem_find_apb: - /* Scan all AHB Buses found for AHB/APB Bridges */ - mov %o7, %g2 /* Save return address */ - mov %o1, %l4 /* Save APB VENDOR:DEVICE */ - sll %o2, 4, %l2 /* APB MST index = 0 */ - add %g0, 1, %l3 /* AHB Bus index = 0 */ -.L2_search_next_ahb_bus: - call get_ahb_bridge /* Get bus %l3 I/O Area */ - mov %l3, %o0 - cmp %o0, %g0 - be .L2_no_device_found /* If no more AHB bus is left to be scanned, proceed */ - add %g0, DEV_AHB_SLV, %o5 /* Search for AHB Slave */ - sethi %hi(AMBA_PNP_ID(VENDOR_GAISLER, GAISLER_APBMST)), %o1 - call _nomem_find_ahb_bus /* Scan AHB bus %o0 for VENDOR:DEVICE. Index in o3 is decremented */ - and %l2, 0xf, %o2 /* Set APBMST index */ - cmp %o0, %g0 /* If no AHB/APB Bridge was not found, scan next AHB Bus */ - be .L_no_apb_bridge_found /* Do next bus */ - nop - - /* The AHB/APB Bridge was found. - * Search for the requested APB Device on the APB bus using - * find_apb_bus, it will decrement the index. - */ - ld [%o3 + AMBA_AHB_MBAR0_OFS], %o3 - sll %o3, 16, %o0 - and %o0, %o3, %o0 /* Address AND Address Mask */ - sethi %hi(0xfff00000), %o3 - and %o0, %o3, %o0 /* AHB/APB Bridge address */ - - srl %l2, 4, %o2 /* APB DEV Index */ - call _nomem_find_apb_bus - mov %l4, %o1 /* APB VENDOR:DEVICE */ - cmp %o0, %g0 - be .L_apb_dev_not_found - mov %g2, %o7 /* Restore return address */ - /* APB Device found - * o0 1 - * o2 Index is decremented to zero - * o3 APB configuration address, - * o4 APB Bridge Configuration address. - */ - mov %g0, %o2 - retl - mov %l3, %o4 - -.L_apb_dev_not_found: - /* Update APB DEV Index by saving output from find_apb_bus - * (index parameter) into bits [31..4] in L2. - */ - sll %o2, 4, %o2 - and %l2, 0xf, %l2 - or %o2, %l2, %l2 - /* Try finding the next AHB/APB Bridge on the same AHB bus - * to find more APB devices - */ - ba .L2_search_next_ahb_bus /* Find next AHB/APB bridge */ - inc %l2 - -.L_no_apb_bridge_found: - inc %l3 /* Next AHB Bus */ - ba .L2_search_next_ahb_bus /* Process next AHB bus */ - andn %l2, 0xf, %l2 /* Start at APB Bridge index 0 at every AHB Bus */ - /* No device found matching */ -.L2_no_device_found: - mov %g2, %o7 /* Restore return address */ - srl %l2, 4, %o2 /* APB DEV Index */ - retl - mov %g0, %o0 - - - -/* FUNCTION _nomem_amba_scan_gaisler_ahb2ahb_bridge(unsigned int bridge, int bus) - * - * Constraints: - * - o1 may not be used - * - o0, o2, o3 may be used. - * - * Arguments - * - o0 PnP Address of Bridge AHB device - * - o2 PnP ID of AHB device - * - * Results - * - o0 Address of new bus PnP area or a 1 if AHB device is no bridge - * - * Clobbered - * - o0, o2 - * - */ -_nomem_amba_scan_gaisler_ahb2ahb_bridge: - andn %o2, 0xfff, %o2 - sethi %hi(AMBA_PNP_ID(VENDOR_GAISLER,GAISLER_AHB2AHB)), %o3 - cmp %o2, %o3 - beq .L_is_ahb2ahb_bridge - nop - - retl - add %g0, 1, %o0 - -.L_is_ahb2ahb_bridge: - /* Found a GAISLER AHB2AHB bridge */ - retl - ld [%o0 + AMBA_AHB_CUSTOM1_OFS], %o0 /* Get address of bridge PnP area */ - - -/* FUNCTION _nomem_amba_scan_gaisler_l2cache_bridge(unsigned int bridge, int bus) - * - * Constraints: - * - o1 may not be used - * - o0, o2, o3 may be used. - * - * Arguments - * - o0 PnP Address of Bridge AHB device - * - o2 PnP ID of AHB device - * - * Results - * - o0 Address of new bus PnP area or a 1 if AHB device is no bridge - * - * Clobbered - * - o0, o2 - * - */ -_nomem_amba_scan_gaisler_l2cache_bridge: - andn %o2, 0xfff, %o2 - sethi %hi(AMBA_PNP_ID(VENDOR_GAISLER,GAISLER_L2CACHE)), %o3 - cmp %o2, %o3 - beq .L_is_l2cache_bridge - nop - - retl - add %g0, 1, %o0 - -.L_is_l2cache_bridge: - /* Found a GAISLER l2cache bridge */ - retl - ld [%o0 + AMBA_AHB_CUSTOM1_OFS], %o0 /* Get address of bridge PnP area */ - - -/* FUNCTION _nomem_amba_scan(unsigned int bridge, int bus) - * - * Constraints: - * i0-i7, l0 is used by caller - * o5-o7 may not be used. - * - * Arguments - * - o0 Bridge Information: I/O AREA and parent bus - * - o1 Bus - * - * Results - * - o0 Number of AHB bridges found - * - * Clobbered - * - o0 (Current AHB slave conf address) - * - o2 (Used by insert_bridge) - * - o3 (Used by insert_bridge) - * - l1 (Number of AHB Slaves left to process) - * - l2 (Current AHB slave conf address) - * - g2 (Return address) - */ -_nomem_amba_scan: - mov %o7, %g2 /* Save return address */ - set 16, %l1 - cmp %o1, 1 - be,a .L2_maxloops_detected - add %g0, 64, %l1 -.L2_maxloops_detected: - - /* Clear 3-bit parent bus from bridge to get I/O AREA, then or - * (AMBA_CONF_AREA | AMBA_AHB_SLAVE_CONF_AREA) to get first AHB slave - * conf address. - */ - andn %o0, 0x7ff, %o0 - set (AMBA_CONF_AREA | AMBA_AHB_SLAVE_CONF_AREA), %l2 - or %o0, %l2, %l2 - - /* Scan AHB Slave area for AHB<->AHB bridges. For each AHB device - * all "bridge drivers" are called, the driver function interface: - * - * Input: - * - o0 PnP Address of Bridge AHB device - * - o2 PnP ID of AHB device - * Return values: - * - o0 Address of new bus PnP area, returning a 1 in o2 means not found - * - * Constraints: - * - o1 may not be used - * - o0, o2, o3 may be used. - * - */ -.L_scan_one_ahb_slave: - ld [%l2], %o2 - - cmp %o2, %g0 - beq .L_scan_next_ahb_slave - nop - - /* Call the GAISLER AHB2AHB bridge driver */ - call _nomem_amba_scan_gaisler_ahb2ahb_bridge - mov %l2, %o0 - cmp %o0, 1 - bne .L_found_bridge - ld [%l2], %o2 - - /* Call the GAISLER L2CACHE bridge driver */ - call _nomem_amba_scan_gaisler_l2cache_bridge - mov %l2, %o0 - cmp %o0, 1 - bne .L_found_bridge - ld [%l2], %o2 - - /* Insert next bridge "driver" function here */ - - - /* The PnP ID did not match a bridge - a new bus was not found ==> - * step to next AHB device */ - ba .L_scan_next_ahb_slave - nop - - /* Add Found bus */ -.L_found_bridge: - and %l2, 0x7e0, %o2 - or %o2, %o0, %o0 /* Add AHB/AHB Bridge PnP address */ - call insert_ahb_bridge /* Insert Bridge into found buses storage */ - or %o1, %o0, %o0 /* Add parent bus LSB 3-bits */ - -.L_scan_next_ahb_slave: - /* More Slaves to process? */ - subcc %l1, 1, %l1 - bne .L_scan_one_ahb_slave - add %l2, AMBA_AHB_CONF_LENGH, %l2 - - /* No more AHB devices to process */ - mov %g2, %o7 /* Restore return address */ - retl - nop - -/* FUNCTION _nomem_ambapp_find_buses(unsigned int ioarea) - * - * Find AMBA AHB buses. - * - * Constraints: - * i6-i7, l7 is used by caller - * - * Arguments - * - o0 Bridge Information: I/O AREA and parent bus - * - * Results - * - o0 Number of AHB bridges found - * - i0-i5 initialized - * - * Clobbered - * - o0 (Current AHB slave conf address) - * - o2 (Used by insert_bridge) - * - o3 (Used by insert_bridge) - * - l0 (Current AHB Bus) - * - l1 (Used by nomem_amba_scan) - * - l2 (Used by nomem_amba_scan) - * - l3 (Used by nomem_amba_scan) - * - l4 (Used by nomem_amba_scan) - * - * - g1 (level 1 return address) - * - g2 (Used by nomem_amba_scan) - */ -_nomem_ambapp_find_buses: - mov %o7, %g1 /* Save return address */ - - /* Initialize AHB Bus storage */ - call init_ahb_bridges - nop - - /* Insert AHB Bus 0 */ - call insert_ahb_bridge - nop /* Argument already prepared by caller */ - - /* Scan AHB Bus 0 for AHB Bridges */ - call _nomem_amba_scan - add %g0, 1, %o1 - - /* Scan all AHB Buses found for more AHB Bridges */ - add %g0, 2, %l0 -.L100_search_next_ahb_bus: - call get_ahb_bridge /* Get bus %l0 I/O Area */ - mov %l0, %o0 - cmp %o0, %g0 - be .L100_return /* If no more AHB bus is left to be scanned, proceed */ - nop - call _nomem_amba_scan /* Scan bus %l0 for AHB Bridges. i0-i7,l0 is used */ - mov %l0, %o1 /* I/O AREA untouched in o0 */ - ba .L100_search_next_ahb_bus /* Do next bus */ - add %l0, 1, %l0 - -.L100_return: - mov %g1, %o7 - retl - nop - - -/* FUNCTION _nomem_amba_init(unsigned int ioarea) - * - * Find all AHB buses - * - * Constraints: - * i6, i7, o6, o7, l7, l6, g3, g4, g5, g6, g7 is used by caller - * - * Arguments - * - o0 Bridge Information: I/O AREA and parent bus - * - * Results - * - o0 Number of AHB bridges found - * - * Clobbered - * - l0, l1, l2, l3, l4, g1, g2 (used by _nomem_ambapp_find_buses) - * - o0, o1, o2, o3 (Used as arguments) - * - o5 (return address) - * - g1 (level 1 return address) - * - g2 (level 2 return address) - */ -_nomem_amba_init: - mov %o7, %o5 /* Save return address, o5 not used */ - - /* Scan for buses, it will init i0-i5 */ - call _nomem_ambapp_find_buses - nop - - mov %o5, %o7 - retl - nop - -/* Call tree and their return address register - * - *_nomem_amba_scan (g1) - * -> init_ahb_bridges (o7) - * -> insert_ahb_bridge (o7) - * -> _nomem_amba_scan (g2) - * -> insert_ahb_bridge (o7) - * -> get_ahb_bridge (o7) - * - * - * -> _nomem_find_apb (g2) - * -> get_ahb_bridge (o7) - * -> _nomem_find_ahb_bus (o7) - * -> _nomem_find_apb_bus (o7) - * -> _nomem_find_ahb (g2) - * -> get_ahb_bridge (o7) - * -> _nomem_find_ahb_bus (o7) - * -> mem_handler.func() (o7) - * - */ diff --git a/arch/sparc/cpu/leon3/ambapp_low_c.S b/arch/sparc/cpu/leon3/ambapp_low_c.S deleted file mode 100644 index 42288fa..0000000 --- a/arch/sparc/cpu/leon3/ambapp_low_c.S +++ /dev/null @@ -1,113 +0,0 @@ -/* C-interface for AMBA PnP scanning functions implemented in - * ambapp_low.S. At the point the memory and stack can be - * used. - * - * (C) Copyright 2010, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - - - .seg "text" - .extern _nomem_ambapp_find_buses - .extern _nomem_find_apb - .extern _nomem_find_ahb - - .globl ambapp_find_buses - .globl ambapp_find_apb - .globl ambapp_find_ahb - - -/* C-interface for _nomem_ambapp_find_buses used when memory is available. - */ -ambapp_find_buses: - save %sp, -104, %sp - mov %i1, %l7 /* Save second argument */ - call _nomem_ambapp_find_buses - mov %i0, %o0 - - /* Store result */ - st %g0, [%l7+0x00] - st %i0, [%l7+0x04] - st %i1, [%l7+0x08] - st %i2, [%l7+0x0c] - st %i3, [%l7+0x10] - st %i4, [%l7+0x14] - st %i5, [%l7+0x18] - - ret - restore - -/* C-interface for _nomem_find_apb used when memory is available. - * - * void ambapp_find_apb( - * struct ambapp_bus *abus, - * unsigned int dev_vend, - * int index, - * struct ambapp_find_apb_info *result - * ); - * - */ -ambapp_find_apb: - save %sp, -104, %sp - - mov %i3, %l7 /* Save second argument */ - mov %i1, %o1 - mov %i2, %o2 - - /* Initialize buses available in system */ - ld [%i0+0x08], %i1 - ld [%i0+0x0c], %i2 - ld [%i0+0x10], %i3 - ld [%i0+0x14], %i4 - ld [%i0+0x18], %i5 - - call _nomem_find_apb - ld [%i0+0x04], %i0 - - st %o2, [%l7+0x08] /* Decremented Index */ - st %o3, [%l7] /* PnP configuration address of APB Device */ - st %o4, [%l7+0x04] /* AHB Bus Index of AHB/APB bridge and APB Device */ - mov %o0, %i0 - ret - restore - -/* C-interface for _nomem_find_ahb used when memory is available. - * - * void ambapp_find_ahb( - * struct ambapp_bus *abus, - * unsigned int dev_vend, - * int index, - * int type, - * struct ambapp_find_ahb_info *result - * ); - * - */ -ambapp_find_ahb: - save %sp, -104, %sp - - mov %i4, %l7 /* Save second argument */ - clr %o0 - mov %i1, %o1 - mov %i2, %o2 - clr %o3 - clr %o4 - mov %i3, %o5 - - /* Initialize buses available in system */ - ld [%i0+0x08], %i1 - ld [%i0+0x0c], %i2 - ld [%i0+0x10], %i3 - ld [%i0+0x14], %i4 - ld [%i0+0x18], %i5 - - call _nomem_find_ahb - ld [%i0+0x04], %i0 - - st %o2, [%l7+0x08] /* Decremented Index */ - st %o3, [%l7] /* PnP configuration address of AHB Device */ - st %o4, [%l7+0x04] /* AHB Bus Index of AHB Device */ - mov %o0, %i0 - ret - restore diff --git a/arch/sparc/cpu/leon3/cpu.c b/arch/sparc/cpu/leon3/cpu.c deleted file mode 100644 index 149e5c6..0000000 --- a/arch/sparc/cpu/leon3/cpu.c +++ /dev/null @@ -1,113 +0,0 @@ -/* CPU specific code for the LEON3 CPU - * - * (C) Copyright 2007, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <watchdog.h> -#include <command.h> -#include <netdev.h> - -#include <asm/io.h> -#include <asm/processor.h> -#include <ambapp.h> - -DECLARE_GLOBAL_DATA_PTR; - -extern void _reset_reloc(void); - -int leon_cpu_cnt = 1; -int leon_ver = 3; -unsigned int leon_cpu_freq = CONFIG_SYS_CLK_FREQ; - -int cpu_freq(void) -{ - ambapp_ahbdev dev; - - if (leon_ver == 3) { - ambapp_ahbmst_find(&ambapp_plb, VENDOR_GAISLER, - GAISLER_LEON3, 0, &dev); - } else { - ambapp_ahbmst_find(&ambapp_plb, VENDOR_GAISLER, - GAISLER_LEON4, 0, &dev); - } - - leon_cpu_freq = ambapp_bus_freq(&ambapp_plb, dev.ahb_bus_index); - - return 0; -} - -int checkcpu(void) -{ - int cnt; - char str[4]; - - /* check LEON version here */ - cnt = ambapp_ahbmst_count(&ambapp_plb, VENDOR_GAISLER, GAISLER_LEON3); - if (cnt <= 0) { - cnt = ambapp_ahbmst_count(&ambapp_plb, VENDOR_GAISLER, - GAISLER_LEON4); - if (cnt > 0) - leon_ver = 4; - } - - cpu_freq(); - - str[0] = '\0'; - if (cnt > 1) { - leon_cpu_cnt = cnt; - str[0] = '0' + cnt; - str[1] = 'x'; - str[2] = '\0'; - } - printf("CPU: %sLEON%d @ %dMHz\n", str, leon_ver, - leon_cpu_freq / 1000000); - - return 0; -} - -#ifdef CONFIG_DISPLAY_CPUINFO - -int print_cpuinfo(void) -{ - printf("CPU: LEON3\n"); - return 0; -} - -#endif - -/* ------------------------------------------------------------------------- */ - -void cpu_reset(void) -{ - /* Interrupts off */ - disable_interrupts(); - - /* jump to restart in flash */ - _reset_reloc(); -} - -int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) -{ - cpu_reset(); - - return 1; - -} - -u64 flash_read64(void *addr) -{ - return __raw_readq(addr); -} - -/* ------------------------------------------------------------------------- */ - -#ifdef CONFIG_GRETH -int cpu_eth_init(bd_t *bis) -{ - return greth_initialize(bis); -} -#endif diff --git a/arch/sparc/cpu/leon3/cpu_init.c b/arch/sparc/cpu/leon3/cpu_init.c deleted file mode 100644 index f25388c..0000000 --- a/arch/sparc/cpu/leon3/cpu_init.c +++ /dev/null @@ -1,175 +0,0 @@ -/* Initializes CPU and basic hardware such as memory - * controllers, IRQ controller and system timer 0. - * - * (C) Copyright 2007, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/asi.h> -#include <asm/leon.h> -#include <asm/io.h> -#include <ambapp.h> -#include <grlib/irqmp.h> -#include <grlib/gptimer.h> -#include <debug_uart.h> - -#include <config.h> - -/* Default Plug&Play I/O area */ -#ifndef CONFIG_AMBAPP_IOAREA -#define CONFIG_AMBAPP_IOAREA AMBA_DEFAULT_IOAREA -#endif - -/* Select which TIMER that will become the time base */ -#ifndef CONFIG_SYS_GRLIB_GPTIMER_INDEX -#define CONFIG_SYS_GRLIB_GPTIMER_INDEX 0 -#endif - -DECLARE_GLOBAL_DATA_PTR; - -ambapp_dev_irqmp *irqmp = NULL; - -/* - * Breath some life into the CPU... - * - * Run from FLASH/PROM: - * - until memory controller is set up, only registers available - * - memory controller has already been setup up, stack can be used - * - no global variables available for writing - * - constants available - */ -void cpu_init_f(void) -{ -#ifdef CONFIG_DEBUG_UART - debug_uart_init(); -#endif -} - -/* If cache snooping is available in hardware the result will be set - * to 0x800000, otherwise 0. - */ -static unsigned int snoop_detect(void) -{ - unsigned int result; - asm("lda [%%g0] 2, %0" : "=r"(result)); - return result & 0x00800000; -} - -int arch_cpu_init(void) -{ - ambapp_apbdev apbdev; - int index; - - gd->cpu_clk = CONFIG_SYS_CLK_FREQ; - gd->bus_clk = CONFIG_SYS_CLK_FREQ; - gd->ram_size = CONFIG_SYS_SDRAM_SIZE; - - gd->arch.snooping_available = snoop_detect(); - - /* Initialize the AMBA Plug & Play bus structure, the bus - * structure represents the AMBA bus that the CPU is located at. - */ - ambapp_bus_init(CONFIG_AMBAPP_IOAREA, CONFIG_SYS_CLK_FREQ, &ambapp_plb); - - /* Initialize/clear all the timers in the system. - */ - for (index = 0; ambapp_apb_find(&ambapp_plb, VENDOR_GAISLER, - GAISLER_GPTIMER, index, &apbdev) == 1; index++) { - ambapp_dev_gptimer *timer; - unsigned int bus_freq; - int i, ntimers; - - timer = (ambapp_dev_gptimer *)apbdev.address; - - /* Different buses may have different frequency, the - * frequency of the bus tell in which frequency the timer - * prescaler operates. - */ - bus_freq = ambapp_bus_freq(&ambapp_plb, apbdev.ahb_bus_index); - - /* Initialize prescaler common to all timers to 1MHz */ - timer->scalar = timer->scalar_reload = - (((bus_freq / 1000) + 500) / 1000) - 1; - - /* Clear all timers */ - ntimers = timer->config & 0x7; - for (i = 0; i < ntimers; i++) { - timer->e[i].ctrl = GPTIMER_CTRL_IP; - timer->e[i].rld = 0; - timer->e[i].ctrl = GPTIMER_CTRL_LD; - } - } - - return 0; -} - -/* - * initialize higher level parts of CPU like time base and timers - */ -int cpu_init_r(void) -{ - ambapp_apbdev apbdev; - int cpu; - - /* - * Find AMBA APB IRQMP Controller, - */ - if (ambapp_apb_find(&ambapp_plb, VENDOR_GAISLER, - GAISLER_IRQMP, 0, &apbdev) != 1) { - panic("%s: IRQ controller not found\n", __func__); - return -1; - } - irqmp = (ambapp_dev_irqmp *)apbdev.address; - - /* initialize the IRQMP */ - irqmp->ilevel = 0xf; /* all IRQ off */ - irqmp->iforce = 0; - irqmp->ipend = 0; - irqmp->iclear = 0xfffe; /* clear all old pending interrupts */ - for (cpu = 0; cpu < 16; cpu++) { - /* mask and clear force for all IRQs on CPU[N] */ - irqmp->cpu_mask[cpu] = 0; - irqmp->cpu_force[cpu] = 0; - } - - return 0; -} - - ; -int timer_init(void) -{ - ambapp_dev_gptimer_element *tmr; - ambapp_dev_gptimer *gptimer; - ambapp_apbdev apbdev; - unsigned bus_freq; - - if (ambapp_apb_find(&ambapp_plb, VENDOR_GAISLER, GAISLER_GPTIMER, - CONFIG_SYS_GRLIB_GPTIMER_INDEX, &apbdev) != 1) { - panic("%s: gptimer not found!\n", __func__); - return -1; - } - - gptimer = (ambapp_dev_gptimer *) apbdev.address; - - /* Different buses may have different frequency, the - * frequency of the bus tell in which frequency the timer - * prescaler operates. - */ - bus_freq = ambapp_bus_freq(&ambapp_plb, apbdev.ahb_bus_index); - - /* initialize prescaler common to all timers to 1MHz */ - gptimer->scalar = gptimer->scalar_reload = - (((bus_freq / 1000) + 500) / 1000) - 1; - - tmr = (ambapp_dev_gptimer_element *)&gptimer->e[0]; - - tmr->val = 0; - tmr->rld = ~0; - tmr->ctrl = GPTIMER_CTRL_EN | GPTIMER_CTRL_RS | GPTIMER_CTRL_LD; - - CONFIG_SYS_TIMER_COUNTER = (void *)&tmr->val; - return 0; -} diff --git a/arch/sparc/cpu/leon3/interrupts.c b/arch/sparc/cpu/leon3/interrupts.c deleted file mode 100644 index 00c3288..0000000 --- a/arch/sparc/cpu/leon3/interrupts.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com - * - * (C) Copyright 2006 - * Detlev Zundel, DENX Software Engineering, dzu@denx.de - * - * (C) Copyright -2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2001 - * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm/stack.h> -#include <common.h> -#include <asm/io.h> -#include <asm/processor.h> -#include <command.h> -#include <asm/irq.h> - -#include <asm/leon.h> -#include <ambapp.h> -#include <grlib/irqmp.h> -#include <grlib/gptimer.h> - -/* 15 normal irqs and a non maskable interrupt */ -#define NR_IRQS 15 - -struct irq_action { - interrupt_handler_t *handler; - void *arg; - unsigned int count; -}; - -extern ambapp_dev_irqmp *irqmp; -extern ambapp_dev_gptimer *gptimer; - -static struct irq_action irq_handlers[NR_IRQS] = { {0}, }; -static int spurious_irq_cnt = 0; -static int spurious_irq = 0; - -static inline unsigned int irqmp_get_irqmask(unsigned int irq) -{ - if ((irq < 0) || (irq >= NR_IRQS)) { - return 0; - } else { - return (1 << irq); - } - -} - -static void leon3_ic_disable(unsigned int irq) -{ - unsigned int mask, pil; - if (!irqmp) - return; - - pil = intLock(); - - /* get mask of interrupt */ - mask = irqmp_get_irqmask(irq); - - /* set int level */ - irqmp->cpu_mask[0] = SPARC_NOCACHE_READ(&irqmp->cpu_mask[0]) & (~mask); - - intUnlock(pil); -} - -static void leon3_ic_enable(unsigned int irq) -{ - unsigned int mask, pil; - if (!irqmp) - return; - - pil = intLock(); - - /* get mask of interrupt */ - mask = irqmp_get_irqmask(irq); - - /* set int level */ - irqmp->cpu_mask[0] = SPARC_NOCACHE_READ(&irqmp->cpu_mask[0]) | mask; - - intUnlock(pil); - -} - -void handler_irq(int irq, struct pt_regs *regs) -{ - if (irq_handlers[irq].handler) { - if (((unsigned int)irq_handlers[irq].handler > CONFIG_SYS_RAM_END) || - ((unsigned int)irq_handlers[irq].handler < CONFIG_SYS_RAM_BASE) - ) { - printf("handler_irq: bad handler: %x, irq number %d\n", - (unsigned int)irq_handlers[irq].handler, irq); - return; - } - irq_handlers[irq].handler(irq_handlers[irq].arg); - irq_handlers[irq].count++; - } else { - spurious_irq_cnt++; - spurious_irq = irq; - } -} - -void leon3_force_int(int irq) -{ - if (!irqmp || (irq >= NR_IRQS) || (irq < 0)) - return; - printf("Forcing interrupt %d\n", irq); - - irqmp->iforce = SPARC_NOCACHE_READ(&irqmp->iforce) | (1 << irq); -} - -/****************************************************************************/ - -int interrupt_init_cpu(void) -{ - - return (0); -} - -/****************************************************************************/ - -/* - * Install and free a interrupt handler. - */ - -void irq_install_handler(int irq, interrupt_handler_t * handler, void *arg) -{ - if (irq < 0 || irq >= NR_IRQS) { - printf("irq_install_handler: bad irq number %d\n", irq); - return; - } - - if (irq_handlers[irq].handler != NULL) - printf("irq_install_handler: 0x%08lx replacing 0x%08lx\n", - (ulong) handler, (ulong) irq_handlers[irq].handler); - - if (((unsigned int)handler > CONFIG_SYS_RAM_END) || - ((unsigned int)handler < CONFIG_SYS_RAM_BASE) - ) { - printf("irq_install_handler: bad handler: %x, irq number %d\n", - (unsigned int)handler, irq); - return; - } - irq_handlers[irq].handler = handler; - irq_handlers[irq].arg = arg; - - /* enable irq on IRQMP hardware */ - leon3_ic_enable(irq); - -} - -void irq_free_handler(int irq) -{ - if (irq < 0 || irq >= NR_IRQS) { - printf("irq_free_handler: bad irq number %d\n", irq); - return; - } - - /* disable irq on IRQMP hardware */ - leon3_ic_disable(irq); - - irq_handlers[irq].handler = NULL; - irq_handlers[irq].arg = NULL; -} - -/****************************************************************************/ - -#if defined(CONFIG_CMD_IRQ) -void do_irqinfo(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) -{ - int irq; - unsigned int pil = get_pil(); - printf("PIL level: %u\n\r", pil); - printf("Spurious IRQ: %u, last unknown IRQ: %d\n", - spurious_irq_cnt, spurious_irq); - - puts("\nInterrupt-Information:\n" "Nr Routine Arg Count\n"); - - for (irq = 0; irq < NR_IRQS; irq++) { - if (irq_handlers[irq].handler != NULL) { - printf("%02d %p %p %d\n", irq, - irq_handlers[irq].handler, - irq_handlers[irq].arg, - irq_handlers[irq].count); - } - } -} -#endif diff --git a/arch/sparc/cpu/leon3/memcfg.c b/arch/sparc/cpu/leon3/memcfg.c deleted file mode 100644 index b9eda44..0000000 --- a/arch/sparc/cpu/leon3/memcfg.c +++ /dev/null @@ -1,237 +0,0 @@ -/* GRLIB Memory controller setup. The register values are used - * from the associated low level assembler routine implemented - * in memcfg_low.S. - * - * (C) Copyright 2010, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <ambapp.h> -#include "memcfg.h" -#include <config.h> - -#ifdef CONFIG_SYS_GRLIB_ESA_MCTRL1 -struct mctrl_setup esa_mctrl1_cfg = { - .reg_mask = 0x7, - .regs = { - { - .mask = 0x00000300, - .value = CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG1, - }, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG2, - }, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG3, - }, - } -}; -#ifdef CONFIG_SYS_GRLIB_ESA_MCTRL2 -struct mctrl_setup esa_mctrl2_cfg = { - .reg_mask = 0x7, - .regs = { - { - .mask = 0x00000300, - .value = CONFIG_SYS_GRLIB_ESA_MCTRL2_CFG1, - }, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_ESA_MCTRL2_CFG2, - }, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_ESA_MCTRL2_CFG3, - }, - } -}; -#endif -#endif - -#ifdef CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1 -struct mctrl_setup gaisler_ftmctrl1_cfg = { - .reg_mask = 0x7, - .regs = { - { - .mask = 0x00000300, - .value = CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG1, - }, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG2, - }, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG3, - }, - } -}; -#ifdef CONFIG_SYS_GRLIB_GAISLER_FTMCTRL2 -struct mctrl_setup gaisler_ftmctrl2_cfg = { - .reg_mask = 0x7, - .regs = { - { - .mask = 0x00000300, - .value = CONFIG_SYS_GRLIB_GAISLER_FTMCTRL2_CFG1, - }, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_FTMCTRL2_CFG2, - }, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_FTMCTRL2_CFG3, - }, - } -}; -#endif -#endif - -#ifdef CONFIG_SYS_GRLIB_GAISLER_SDCTRL1 -struct mctrl_setup gaisler_sdctrl1_cfg = { - .reg_mask = 0x1, - .regs = { - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_SDCTRL1_CTRL, - }, - } -}; -#ifdef CONFIG_SYS_GRLIB_GAISLER_SDCTRL2 -struct mctrl_setup gaisler_sdctrl2_cfg = { - .reg_mask = 0x1, - .regs = { - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_SDCTRL2_CTRL, - }, - } -}; -#endif -#endif - -#ifdef CONFIG_SYS_GRLIB_GAISLER_DDR2SPA1 -struct ahbmctrl_setup gaisler_ddr2spa1_cfg = { - .ahb_mbar_no = 1, - .reg_mask = 0xd, - .regs = { - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_DDR2SPA1_CFG1, - }, - { 0x00000000, 0}, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_DDR2SPA1_CFG3, - }, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_DDR2SPA1_CFG4, - }, - } -}; -#ifdef CONFIG_SYS_GRLIB_GAISLER_DDR2SPA2 -struct ahbmctrl_setup gaisler_ddr2spa2_cfg = { - .ahb_mbar_no = 1, - .reg_mask = 0xd, - .regs = { - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_DDR2SPA2_CFG1, - }, - { 0x00000000, 0}, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_DDR2SPA2_CFG3, - }, - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_DDR2SPA2_CFG4, - }, - } -}; -#endif -#endif - -#ifdef CONFIG_SYS_GRLIB_GAISLER_DDRSPA1 -struct ahbmctrl_setup gaisler_ddrspa1_cfg = { - .ahb_mbar_no = 1, - .reg_mask = 0x1, - .regs = { - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_DDRSPA1_CTRL, - }, - } -}; -#ifdef CONFIG_SYS_GRLIB_GAISLER_DDRSPA2 -struct ahbmctrl_setup gaisler_ddrspa2_cfg = { - .ahb_mbar_no = 1, - .reg_mask = 0x1, - .regs = { - { - .mask = 0x00000000, - .value = CONFIG_SYS_GRLIB_GAISLER_DDRSPA2_CTRL, - }, - } -}; -#endif -#endif - -struct grlib_mctrl_handler grlib_mctrl_handlers[] = { -/* ESA MCTRL (PROM/FLASH/IO/SRAM/SDRAM) */ -#ifdef CONFIG_SYS_GRLIB_ESA_MCTRL1 - {DEV_APB_SLV, 0, MH_UNUSED, AMBA_PNP_ID(VENDOR_ESA, ESA_MCTRL), - _nomem_mctrl_init, (void *)&esa_mctrl1_cfg}, -#ifdef CONFIG_SYS_GRLIB_ESA_MCTRL2 - {DEV_APB_SLV, 1, MH_UNUSED, AMBA_PNP_ID(VENDOR_ESA, ESA_MCTRL), - _nomem_mctrl_init, (void *)&esa_mctrl2_cfg}, -#endif -#endif - -/* GAISLER Fault Tolerant Memory controller (PROM/FLASH/IO/SRAM/SDRAM) */ -#ifdef CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1 - {DEV_APB_SLV, 0, MH_UNUSED, AMBA_PNP_ID(VENDOR_GAISLER, GAISLER_FTMCTRL), - _nomem_mctrl_init, (void *)&gaisler_ftmctrl1_cfg}, -#ifdef CONFIG_SYS_GRLIB_GAISLER_FTMCTRL2 - {DEV_APB_SLV, 1, MH_UNUSED, AMBA_PNP_ID(VENDOR_GAISLER, GAISLER_FTMCTRL), - _nomem_mctrl_init, (void *)&gaisler_ftmctrl2_cfg}, -#endif -#endif - -/* GAISLER SDRAM-only Memory controller (SDRAM) */ -#ifdef CONFIG_SYS_GRLIB_GAISLER_SDCTRL1 - {DEV_APB_SLV, 0, MH_UNUSED, AMBA_PNP_ID(VENDOR_GAISLER, GAISLER_SDCTRL), - _nomem_mctrl_init, (void *)&gaisler_sdctrl1_cfg}, -#ifdef CONFIG_SYS_GRLIB_GAISLER_SDCTRL2 - {DEV_APB_SLV, 1, MH_UNUSED, AMBA_PNP_ID(VENDOR_GAISLER, GAISLER_SDCTRL), - _nomem_mctrl_init, (void *)&gaisler_sdctrl2_cfg}, -#endif -#endif - -/* GAISLER DDR Memory controller (DDR) */ -#ifdef CONFIG_SYS_GRLIB_GAISLER_DDRSPA1 - {DEV_AHB_SLV, 0, MH_UNUSED, AMBA_PNP_ID(VENDOR_GAISLER, GAISLER_DDRSP), - _nomem_ahbmctrl_init, (void *)&gaisler_ddrspa1_cfg}, -#ifdef CONFIG_SYS_GRLIB_GAISLER_DDRSPA2 - {DEV_AHB_SLV, 1, MH_UNUSED, AMBA_PNP_ID(VENDOR_GAISLER, GAISLER_DDRSP), - _nomem_ahbmctrl_init, (void *)&gaisler_ddrspa2_cfg}, -#endif -#endif - -/* GAISLER DDR2 Memory controller (DDR2) */ -#ifdef CONFIG_SYS_GRLIB_GAISLER_DDR2SPA1 - {DEV_AHB_SLV, 0, MH_UNUSED, AMBA_PNP_ID(VENDOR_GAISLER, GAISLER_DDR2SP), - _nomem_ahbmctrl_init, (void *)&gaisler_ddr2spa1_cfg}, -#ifdef CONFIG_SYS_GRLIB_GAISLER_DDR2SPA2 - {DEV_AHB_SLV, 1, MH_UNUSED, AMBA_PNP_ID(VENDOR_GAISLER, GAISLER_DDR2SP), - _nomem_ahbmctrl_init, (void *)&gaisler_ddr2spa2_cfg}, -#endif -#endif - - /* Mark end */ - MH_END -}; diff --git a/arch/sparc/cpu/leon3/memcfg.h b/arch/sparc/cpu/leon3/memcfg.h deleted file mode 100644 index a524896..0000000 --- a/arch/sparc/cpu/leon3/memcfg.h +++ /dev/null @@ -1,90 +0,0 @@ -/* GRLIB Memory controller setup structures - * - * (C) Copyright 2010, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __MEMCFG_H__ -#define __MEMCFG_H__ - -/*********** Low Level Memory Controller Initalization ***********/ - -#ifndef __ASSEMBLER__ - -struct grlib_mctrl_handler; - -typedef void (*mctrl_handler_t)( - struct grlib_mctrl_handler *dev, - void *conf, - unsigned int ioarea - ); - -/* Memory Controller Handler Structure */ -struct grlib_mctrl_handler { - unsigned char type; /* 0x00. MASK: AHB MST&SLV, APB SLV */ - char index; /* 0x01. Unit number, 0, 1, 2... */ - char unused[2]; /* 0x02 */ - unsigned int ven_dev; /* 0x04. Device and Vendor */ - mctrl_handler_t func; /* 0x08. Memory Controller Handler */ - void *priv; /* 0x0c. Optional private data, ptr to - * info how to set up controller */ -}; - -extern struct grlib_mctrl_handler grlib_mctrl_handlers[]; - -#endif - -#define MH_STRUCT_SIZE (4*4) -#define MH_TYPE 0x00 -#define MH_INDEX 0x01 -#define MH_VENDOR_DEVICE 0x04 -#define MH_FUNC 0x08 -#define MH_PRIV 0x0c - -#define MH_TYPE_NONE DEV_NONE -#define MH_TYPE_AHB_MST DEV_AHB_MST -#define MH_TYPE_AHB_SLV DEV_AHB_SLV -#define MH_TYPE_APB_SLV DEV_APB_SLV - -#define MH_UNUSED {0, 0} -#define MH_END {DEV_NONE, 0, MH_UNUSED, AMBA_PNP_ID(0, 0), 0, 0} - -/*********** Low Level Memory Controller Initalization Handlers ***********/ - -#ifndef __ASSEMBLER__ -extern void _nomem_mctrl_init( - struct grlib_mctrl_handler *dev, - void *conf, - unsigned int ioarea_apbmst); - -struct mctrl_setup { - unsigned int reg_mask; /* Which registers to write */ - struct { - unsigned int mask; /* Mask used keep reg bits unchanged */ - unsigned int value; /* Value written to register */ - } regs[8]; -}; - -extern void _nomem_ahbmctrl_init( - struct grlib_mctrl_handler *dev, - void *conf, - unsigned int ioarea_apbmst); - -struct ahbmctrl_setup { - int ahb_mbar_no; /* MBAR to get register address from */ - unsigned int reg_mask; /* Which registers to write */ - struct { - unsigned int mask; /* Mask used keep reg bits unchanged */ - unsigned int value; /* Value written to register */ - } regs[8]; -}; -#endif - -/* mctrl_setup data structure defines */ -#define NREGS_OFS 0 -#define REGS_OFS 0x4 -#define REGS_SIZE 8 - -#endif diff --git a/arch/sparc/cpu/leon3/memcfg_low.S b/arch/sparc/cpu/leon3/memcfg_low.S deleted file mode 100644 index 84a81a9..0000000 --- a/arch/sparc/cpu/leon3/memcfg_low.S +++ /dev/null @@ -1,253 +0,0 @@ -/* This is the memory initialization functions, the function - * implemented below initializes each memory controller - * found and specified by the input grlib_mctrl_handler structure. - * - * After the memory controllers have been initialized the stack - * can be used. - * - * (C) Copyright 2010, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <ambapp.h> -#include "memcfg.h" -#include <config.h> - - .seg "text" - .globl _nomem_memory_ctrl_init - .globl _nomem_mctrl_init, _nomem_ahbmctrl_init - .extern _nomem_find_apb - .extern _nomem_find_ahb - - -/* FUNCTION - * _nomem_memory_controller_init(struct grlib_mctrl_handler *mem_handlers) - * - * Initialize AMBA devices, _nomem_amba_init() has prepared i0-i5 - * with the AHB buses on the system. - * - * For each entry in mem_handlers find the VENDOR:DEVICE and handle it - * by calling the handler function pointer. - * - * Constraints: - * i6, i7, o6, l7, l6, g3, g4, g5, g6, g7 is used by caller - * o7 is return address - * l5 reserved for this function for future use. - * - * Arguments - * - o0 Pointer to memory handler array - * - * Results - * - o0 Number of memory controllers found - * - * Clobbered - * - o0 (Current AHB slave conf address) - * - l0 (mem handler entry address) - * - l1 (Return value, number of memory controllers found) - * - o7 (function pointer) - * - l0, l1, l2, l3, l4, g1, g2 (used by _nomem_ambapp_find_buses) - * - o0, o1, o2, o3, o4, o5 (Used as arguments) - * - * - g1 ( level 1 return address) - * - g2 ( level 2 return address) - */ - -_nomem_memory_ctrl_init: - /* At this point all AHB buses has been found and the I/O Areas of - * all AHB buses is stored in the i0-i5 registers. Max 6 buses. Next, - * memory controllers are found by searching all buses for matching - * VENDOR:DEVICE. The VENDOR:DEVICE to search for are taken from the - * mem_handlers array. For each match the function pointer stored in - * the mem_handler entry is called to handle the hardware setup. - */ - mov %o7, %g1 /* Save return address */ - mov %o0, %l0 - mov %g0, %l1 /* The return value */ - -.L_do_one_mem_handler: - ld [%l0 + MH_FUNC], %o7 - cmp %o7, %g0 - be .L_all_mctrl_handled - nop - - /*** Scan for memory controller ***/ - - /* Set up argments, o5 not used by _nomem_find_apb */ - ldub [%l0 + MH_TYPE], %o5 - clr %o4 - clr %o3 - ldub [%l0 + MH_INDEX], %o2 - ld [%l0 + MH_VENDOR_DEVICE], %o1 - - /* An empty config? */ - cmp %o5, DEV_NONE - beq .L_all_mctrl_next - - /* Select function (APB or AHB) */ - cmp %o5, DEV_APB_SLV - bne .L_find_ahb_memctrl - clr %o0 -.L_find_apb_memctrl: - call _nomem_find_apb /* Scan for APB slave device */ - nop - - /* o3 = iobar address - * o4 = AHB Bus index - * - * REG ADR = ((iobar >> 12) & (iobar << 4) & 0xfff00) | "APB Base" - */ - ld [%o3 + AMBA_APB_IOBAR_OFS], %o5 - srl %o5, 12, %o2 - sll %o5, 4, %o5 - and %o2, %o5, %o5 - set 0xfff00, %o2 - and %o2, %o5, %o5 - sethi %hi(0xfff00000), %o2 - and %o3, %o2, %o2 - or %o5, %o2, %o5 /* Register base address */ - - ba .L_call_one_mem_handler - nop - -.L_find_ahb_memctrl: - call _nomem_find_ahb /* Scan for AHB Slave or Master. - * o5 determine type. */ - nop - clr %o5 - - /* Call the handler function if the hardware was found - * - * o0 = mem_handler - * o1 = Configuration address - * o2 = AHB Bus index - * o3 = APB Base register (if APB Slave) - * - * Constraints: - * i0-i7, l0, l1, l5, g1, g3-g7 may no be used. - */ -.L_call_one_mem_handler: - cmp %o0, %g0 - be .L_all_mctrl_next - mov %l0, %o0 /* Mem handler pointer */ - mov %o3, %o1 /* AMBA PnP Configuration address */ - mov %o4, %o2 /* AHB Bus index */ - ld [%l0 + MH_FUNC], %o7 /* Get Function pointer */ - call %o7 - mov %o5, %o3 /* APB Register Base Address */ - - inc %l1 /* Number of Memory controllers - * handled. */ - - /* Do next entry in mem_handlers */ -.L_all_mctrl_next: - ba .L_do_one_mem_handler - add %l0, MH_STRUCT_SIZE, %l0 - -.L_all_mctrl_handled: - mov %g1, %o7 /* Restore return address */ - retl - mov %l1, %o0 - - - -/* Generic Memory controller initialization routine (APB Registers) - * - * o0 = mem_handler structure pointer - * o1 = Configuration address - * o2 = AHB Bus index - * o3 = APB Base register - * - * Clobbered - * o0-o4 - */ -_nomem_mctrl_init: - ld [%o0 + MH_PRIV], %o0 /* Get Private structure */ - ld [%o0], %o1 /* Get Reg Mask */ - and %o1, 0xff, %o1 - add %o0, REGS_OFS, %o0 /* Point to first reg */ -.L_do_one_reg: - andcc %o1, 0x1, %g0 - beq .L_do_next_reg - ld [%o0], %o2 - ld [%o3], %o4 - and %o4, %o2, %o4 - ld [%o0 + 4], %o2 - or %o4, %o2, %o4 - st %o4, [%o3] - -.L_do_next_reg: - add %o0, REGS_SIZE, %o0 - add %o3, 4, %o3 - srl %o1, 1, %o1 - cmp %o1, 0 - bne .L_do_one_reg - nop - - /* No more registers to write */ - retl - nop - - - -/* Generic Memory controller initialization routine (AHB Registers) - * - * o0 = mem_handler structure pointer - * o1 = Configuration address of memory controller - * o2 = AHB Bus index - * - * Clobbered - * o0-o5 - */ -_nomem_ahbmctrl_init: - ld [%o0 + MH_PRIV], %o0 /* Get Private structure */ - - /* Get index of AHB MBAR to get registers from */ - ld [%o0], %o5 - add %o0, 4, %o0 - - /* Get Address of MBAR in PnP info */ - add %o5, 4, %o5 - sll %o5, 2, %o5 - add %o5, %o1, %o5 /* Address of MBAR */ - - /* Get Address of registers from PnP information - * Address is in AHB I/O format, i.e. relative to bus - * - * ADR = (iobar & (iobar << 16) & 0xfff00000) - * IOADR = (ADR >> 12) | "APB Base" - */ - ld [%o5], %o5 - sll %o5, 16, %o4 - and %o5, %o4, %o5 - sethi %hi(0xfff00000), %o4 - and %o5, %o4, %o5 /* ADR */ - and %o4, %o1, %o4 - srl %o5, 12, %o5 - or %o5, %o4, %o3 /* IOADR in o3 */ - - ld [%o0], %o1 /* Get Reg Mask */ - and %o1, 0xff, %o1 - add %o0, REGS_OFS, %o0 /* Point to first reg */ -.L_do_one_ahbreg: - andcc %o1, 0x1, %g0 - beq .L_do_next_reg - ld [%o0], %o2 - ld [%o3], %o4 - and %o4, %o2, %o4 - ld [%o0 + 4], %o2 - or %o4, %o2, %o4 - st %o4, [%o3] - -.L_do_next_ahbreg: - add %o0, REGS_SIZE, %o0 - add %o3, 4, %o3 - srl %o1, 1, %o1 - cmp %o1, 0 - bne .L_do_one_reg - nop - - /* No more registers to write */ - retl - nop diff --git a/arch/sparc/cpu/leon3/prom.c b/arch/sparc/cpu/leon3/prom.c deleted file mode 100644 index 1f185b7..0000000 --- a/arch/sparc/cpu/leon3/prom.c +++ /dev/null @@ -1,1067 +0,0 @@ -/* prom.c - emulates a sparc v0 PROM for the linux kernel. - * - * Copyright (C) 2003 Konrad Eisele <eiselekd@web.de> - * Copyright (C) 2004 Stefan Holst <mail@s-holst.de> - * Copyright (C) 2007 Daniel Hellstrom <daniel@gaisler.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/prom.h> -#include <asm/machines.h> -#include <asm/srmmu.h> -#include <asm/processor.h> -#include <asm/irq.h> -#include <asm/leon.h> -#include <ambapp.h> -#include <grlib/apbuart.h> -#include <grlib/irqmp.h> -#include <grlib/gptimer.h> - -#include <config.h> -/* -#define PRINT_ROM_VEC -*/ -extern struct linux_romvec *kernel_arg_promvec; - -DECLARE_GLOBAL_DATA_PTR; - -#define PROM_PGT __attribute__ ((__section__ (".prom.pgt"))) -#define PROM_TEXT __attribute__ ((__section__ (".prom.text"))) -#define PROM_DATA __attribute__ ((__section__ (".prom.data"))) - -ambapp_dev_gptimer *gptimer; - -void *__prom_start_reloc; /* relocated prom_start address */ - -/* for __va */ -extern int __prom_start; -#define PAGE_OFFSET 0xf0000000 -#define phys_base CONFIG_SYS_SDRAM_BASE -#define PROM_OFFS 8192 -#define PROM_SIZE_MASK (PROM_OFFS-1) -#define __va(x) ( \ - (void *)( ((unsigned long)(x))-PROM_OFFS+ \ - (CONFIG_SYS_PROM_OFFSET-phys_base)+PAGE_OFFSET-CONFIG_SYS_TEXT_BASE ) \ - ) -#define __phy(x) ((void *)(((unsigned long)(x))-PROM_OFFS+CONFIG_SYS_PROM_OFFSET-CONFIG_SYS_TEXT_BASE)) - -struct property { - char *name; - char *value; - int length; -}; - -struct node { - int level; - struct property *properties; -}; - -static void leon_reboot(char *bcommand); -static void leon_halt(void); -static int leon_nbputchar(int c); -static int leon_nbgetchar(void); - -static int no_nextnode(int node); -static int no_child(int node); -static int no_proplen(int node, char *name); -static int no_getprop(int node, char *name, char *value); -static int no_setprop(int node, char *name, char *value, int len); -static char *no_nextprop(int node, char *name); - -static struct property PROM_TEXT *find_property(int node, char *name); -static int PROM_TEXT leon_strcmp(const char *s1, const char *s2); -static void *PROM_TEXT leon_memcpy(void *dest, const void *src, size_t n); -static void PROM_TEXT leon_reboot_physical(char *bcommand); - -void __inline__ leon_flush_cache_all(void) -{ - __asm__ __volatile__(" flush "); - __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_DFLUSH):"memory"); -} - -void __inline__ leon_flush_tlb_all(void) -{ - leon_flush_cache_all(); - __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(0x400), - "i"(ASI_MMUFLUSH):"memory"); -} - -typedef struct { - unsigned int ctx_table[256]; - unsigned int pgd_table[256]; -} sparc_srmmu_setup; - -sparc_srmmu_setup srmmu_tables PROM_PGT = { - {0}, - {0x1e, - 0x10001e, - 0x20001e, - 0x30001e, - 0x40001e, - 0x50001e, - 0x60001e, - 0x70001e, - 0x80001e, - 0x90001e, - 0xa0001e, - 0xb0001e, - 0xc0001e, - 0xd0001e, - 0xe0001e, - 0xf0001e, - 0x100001e, - 0x110001e, - 0x120001e, - 0x130001e, - 0x140001e, - 0x150001e, - 0x160001e, - 0x170001e, - 0x180001e, - 0x190001e, - 0x1a0001e, - 0x1b0001e, - 0x1c0001e, - 0x1d0001e, - 0x1e0001e, - 0x1f0001e, - 0x200001e, - 0x210001e, - 0x220001e, - 0x230001e, - 0x240001e, - 0x250001e, - 0x260001e, - 0x270001e, - 0x280001e, - 0x290001e, - 0x2a0001e, - 0x2b0001e, - 0x2c0001e, - 0x2d0001e, - 0x2e0001e, - 0x2f0001e, - 0x300001e, - 0x310001e, - 0x320001e, - 0x330001e, - 0x340001e, - 0x350001e, - 0x360001e, - 0x370001e, - 0x380001e, - 0x390001e, - 0x3a0001e, - 0x3b0001e, - 0x3c0001e, - 0x3d0001e, - 0x3e0001e, - 0x3f0001e, - 0x400001e, - 0x410001e, - 0x420001e, - 0x430001e, - 0x440001e, - 0x450001e, - 0x460001e, - 0x470001e, - 0x480001e, - 0x490001e, - 0x4a0001e, - 0x4b0001e, - 0x4c0001e, - 0x4d0001e, - 0x4e0001e, - 0x4f0001e, - 0x500001e, - 0x510001e, - 0x520001e, - 0x530001e, - 0x540001e, - 0x550001e, - 0x560001e, - 0x570001e, - 0x580001e, - 0x590001e, - 0x5a0001e, - 0x5b0001e, - 0x5c0001e, - 0x5d0001e, - 0x5e0001e, - 0x5f0001e, - 0x600001e, - 0x610001e, - 0x620001e, - 0x630001e, - 0x640001e, - 0x650001e, - 0x660001e, - 0x670001e, - 0x680001e, - 0x690001e, - 0x6a0001e, - 0x6b0001e, - 0x6c0001e, - 0x6d0001e, - 0x6e0001e, - 0x6f0001e, - 0x700001e, - 0x710001e, - 0x720001e, - 0x730001e, - 0x740001e, - 0x750001e, - 0x760001e, - 0x770001e, - 0x780001e, - 0x790001e, - 0x7a0001e, - 0x7b0001e, - 0x7c0001e, - 0x7d0001e, - 0x7e0001e, - 0x7f0001e, - 0x800001e, - 0x810001e, - 0x820001e, - 0x830001e, - 0x840001e, - 0x850001e, - 0x860001e, - 0x870001e, - 0x880001e, - 0x890001e, - 0x8a0001e, - 0x8b0001e, - 0x8c0001e, - 0x8d0001e, - 0x8e0001e, - 0x8f0001e, - 0x900001e, - 0x910001e, - 0x920001e, - 0x930001e, - 0x940001e, - 0x950001e, - 0x960001e, - 0x970001e, - 0x980001e, - 0x990001e, - 0x9a0001e, - 0x9b0001e, - 0x9c0001e, - 0x9d0001e, - 0x9e0001e, - 0x9f0001e, - 0xa00001e, - 0xa10001e, - 0xa20001e, - 0xa30001e, - 0xa40001e, - 0xa50001e, - 0xa60001e, - 0xa70001e, - 0xa80001e, - 0xa90001e, - 0xaa0001e, - 0xab0001e, - 0xac0001e, - 0xad0001e, - 0xae0001e, - 0xaf0001e, - 0xb00001e, - 0xb10001e, - 0xb20001e, - 0xb30001e, - 0xb40001e, - 0xb50001e, - 0xb60001e, - 0xb70001e, - 0xb80001e, - 0xb90001e, - 0xba0001e, - 0xbb0001e, - 0xbc0001e, - 0xbd0001e, - 0xbe0001e, - 0xbf0001e, - 0xc00001e, - 0xc10001e, - 0xc20001e, - 0xc30001e, - 0xc40001e, - 0xc50001e, - 0xc60001e, - 0xc70001e, - 0xc80001e, - 0xc90001e, - 0xca0001e, - 0xcb0001e, - 0xcc0001e, - 0xcd0001e, - 0xce0001e, - 0xcf0001e, - 0xd00001e, - 0xd10001e, - 0xd20001e, - 0xd30001e, - 0xd40001e, - 0xd50001e, - 0xd60001e, - 0xd70001e, - 0xd80001e, - 0xd90001e, - 0xda0001e, - 0xdb0001e, - 0xdc0001e, - 0xdd0001e, - 0xde0001e, - 0xdf0001e, - 0xe00001e, - 0xe10001e, - 0xe20001e, - 0xe30001e, - 0xe40001e, - 0xe50001e, - 0xe60001e, - 0xe70001e, - 0xe80001e, - 0xe90001e, - 0xea0001e, - 0xeb0001e, - 0xec0001e, - 0xed0001e, - 0xee0001e, - 0xef0001e, - 0x400001e /* default */ - } -}; - -/* a self contained prom info structure */ -struct leon_reloc_func { - struct property *(*find_property) (int node, char *name); - int (*strcmp) (char *s1, char *s2); - void *(*memcpy) (void *dest, const void *src, size_t n); - void (*reboot_physical) (char *cmd); - ambapp_dev_apbuart *leon3_apbuart; -}; - -struct leon_prom_info { - int freq_khz; - int leon_nctx; - int mids[32]; - int baudrates[2]; - struct leon_reloc_func reloc_funcs; - struct property root_properties[4]; - struct property cpu_properties[7]; -#undef CPUENTRY -#define CPUENTRY(idx) struct property cpu_properties##idx[4] - CPUENTRY(1); - CPUENTRY(2); - CPUENTRY(3); - CPUENTRY(4); - CPUENTRY(5); - CPUENTRY(6); - CPUENTRY(7); - CPUENTRY(8); - CPUENTRY(9); - CPUENTRY(10); - CPUENTRY(11); - CPUENTRY(12); - CPUENTRY(13); - CPUENTRY(14); - CPUENTRY(15); - CPUENTRY(16); - CPUENTRY(17); - CPUENTRY(18); - CPUENTRY(19); - CPUENTRY(20); - CPUENTRY(21); - CPUENTRY(22); - CPUENTRY(23); - CPUENTRY(24); - CPUENTRY(25); - CPUENTRY(26); - CPUENTRY(27); - CPUENTRY(28); - CPUENTRY(29); - CPUENTRY(30); - CPUENTRY(31); - struct idprom idprom; - struct linux_nodeops nodeops; - struct linux_mlist_v0 *totphys_p; - struct linux_mlist_v0 totphys; - struct linux_mlist_v0 *avail_p; - struct linux_mlist_v0 avail; - struct linux_mlist_v0 *prommap_p; - void (*synchook) (void); - struct linux_arguments_v0 *bootargs_p; - struct linux_arguments_v0 bootargs; - struct linux_romvec romvec; - struct node nodes[35]; - char s_device_type[12]; - char s_cpu[4]; - char s_mid[4]; - char s_idprom[7]; - char s_compatability[14]; - char s_leon2[6]; - char s_mmu_nctx[9]; - char s_frequency[16]; - char s_uart1_baud[11]; - char s_uart2_baud[11]; - char arg[256]; -}; - -/* static prom info */ -static struct leon_prom_info PROM_DATA spi = { - CONFIG_SYS_CLK_FREQ / 1000, - 256, - { -#undef CPUENTRY -#define CPUENTRY(idx) idx - CPUENTRY(0), - CPUENTRY(1), - CPUENTRY(2), - CPUENTRY(3), - CPUENTRY(4), - CPUENTRY(5), - CPUENTRY(6), - CPUENTRY(7), - CPUENTRY(8), - CPUENTRY(9), - CPUENTRY(10), - CPUENTRY(11), - CPUENTRY(12), - CPUENTRY(13), - CPUENTRY(14), - CPUENTRY(15), - CPUENTRY(16), - CPUENTRY(17), - CPUENTRY(18), - CPUENTRY(19), - CPUENTRY(20), - CPUENTRY(21), - CPUENTRY(22), - CPUENTRY(23), - CPUENTRY(24), - CPUENTRY(25), - CPUENTRY(26), - CPUENTRY(27), - CPUENTRY(28), - CPUENTRY(29), - CPUENTRY(30), - 31}, - {38400, 38400}, - { - __va(find_property), - __va(leon_strcmp), - __va(leon_memcpy), - __phy(leon_reboot_physical), - }, - { - {__va(spi.s_device_type), __va(spi.s_idprom), 4}, - {__va(spi.s_idprom), (char *)__va(&spi.idprom), sizeof(struct idprom)}, - {__va(spi.s_compatability), __va(spi.s_leon2), 5}, - {NULL, NULL, -1} - }, - { - {__va(spi.s_device_type), __va(spi.s_cpu), 4}, - {__va(spi.s_mid), __va(&spi.mids[0]), 4}, - {__va(spi.s_mmu_nctx), (char *)__va(&spi.leon_nctx), 4}, - {__va(spi.s_frequency), (char *)__va(&spi.freq_khz), 4}, - {__va(spi.s_uart1_baud), (char *)__va(&spi.baudrates[0]), 4}, - {__va(spi.s_uart2_baud), (char *)__va(&spi.baudrates[1]), 4}, - {NULL, NULL, -1} - }, -#undef CPUENTRY -#define CPUENTRY(idx) \ - { /* cpu_properties */ \ - {__va(spi.s_device_type), __va(spi.s_cpu), 4}, \ - {__va(spi.s_mid), __va(&spi.mids[idx]), 4}, \ - {__va(spi.s_frequency), (char *)__va(&spi.freq_khz), 4}, \ - {NULL, NULL, -1} \ - } - CPUENTRY(1), - CPUENTRY(2), - CPUENTRY(3), - CPUENTRY(4), - CPUENTRY(5), - CPUENTRY(6), - CPUENTRY(7), - CPUENTRY(8), - CPUENTRY(9), - CPUENTRY(10), - CPUENTRY(11), - CPUENTRY(12), - CPUENTRY(13), - CPUENTRY(14), - CPUENTRY(15), - CPUENTRY(16), - CPUENTRY(17), - CPUENTRY(18), - CPUENTRY(19), - CPUENTRY(20), - CPUENTRY(21), - CPUENTRY(22), - CPUENTRY(23), - CPUENTRY(24), - CPUENTRY(25), - CPUENTRY(26), - CPUENTRY(27), - CPUENTRY(28), - CPUENTRY(29), - CPUENTRY(30), - CPUENTRY(31), - { - 0x01, /* format */ - M_LEON2 | M_LEON2_SOC, /* machine type */ - {0, 0, 0, 0, 0, 0}, /* eth */ - 0, /* date */ - 0, /* sernum */ - 0, /* checksum */ - {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} /* reserved */ - }, - { - __va(no_nextnode), - __va(no_child), - __va(no_proplen), - __va(no_getprop), - __va(no_setprop), - __va(no_nextprop) - }, - __va(&spi.totphys), - { - NULL, - (char *)CONFIG_SYS_SDRAM_BASE, - 0, - }, - __va(&spi.avail), - { - NULL, - (char *)CONFIG_SYS_SDRAM_BASE, - 0, - }, - NULL, /* prommap_p */ - NULL, - __va(&spi.bootargs), - { - {NULL, __va(spi.arg), NULL /*... */ }, - /*... */ - }, - { - 0, - 0, /* sun4c v0 prom */ - 0, 0, - {__va(&spi.totphys_p), __va(&spi.prommap_p), __va(&spi.avail_p)}, - __va(&spi.nodeops), - NULL, {NULL /* ... */ }, - NULL, NULL, - NULL, NULL, /* pv_getchar, pv_putchar */ - __va(leon_nbgetchar), __va(leon_nbputchar), - NULL, - __va(leon_reboot), - NULL, - NULL, - NULL, - __va(leon_halt), - __va(&spi.synchook), - {NULL}, - __va(&spi.bootargs_p) - /*... */ - }, - { - {0, __va(spi.root_properties + 3) /* NULL, NULL, -1 */ }, - {0, __va(spi.root_properties)}, - /* cpu 0, must be spi.nodes[2] see leon_prom_init() */ - {1, __va(spi.cpu_properties)}, - -#undef CPUENTRY -#define CPUENTRY(idx) \ - {1, __va(spi.cpu_properties##idx) } /* cpu <idx> */ - CPUENTRY(1), - CPUENTRY(2), - CPUENTRY(3), - CPUENTRY(4), - CPUENTRY(5), - CPUENTRY(6), - CPUENTRY(7), - CPUENTRY(8), - CPUENTRY(9), - CPUENTRY(10), - CPUENTRY(11), - CPUENTRY(12), - CPUENTRY(13), - CPUENTRY(14), - CPUENTRY(15), - CPUENTRY(16), - CPUENTRY(17), - CPUENTRY(18), - CPUENTRY(19), - CPUENTRY(20), - CPUENTRY(21), - CPUENTRY(22), - CPUENTRY(23), - CPUENTRY(24), - CPUENTRY(25), - CPUENTRY(26), - CPUENTRY(27), - CPUENTRY(28), - CPUENTRY(29), - CPUENTRY(30), - CPUENTRY(31), - {-1, __va(spi.root_properties + 3) /* NULL, NULL, -1 */ } - }, - "device_type", - "cpu", - "mid", - "idprom", - "compatability", - "leon2", - "mmu-nctx", - "clock-frequency", - "uart1_baud", - "uart2_baud", - CONFIG_DEFAULT_KERNEL_COMMAND_LINE -}; - -/* from arch/sparc/kernel/setup.c */ -#define RAMDISK_LOAD_FLAG 0x4000 -extern unsigned short root_flags; -extern unsigned short root_dev; -extern unsigned short ram_flags; -extern unsigned int sparc_ramdisk_image; -extern unsigned int sparc_ramdisk_size; -extern int root_mountflags; - -extern char initrd_end, initrd_start; - -/* Reboot the CPU = jump to beginning of flash again. - * - * Make sure that all function are inlined here. - */ -static void PROM_TEXT leon_reboot(char *bcommand) -{ - register char *arg = bcommand; - void __attribute__ ((noreturn)) (*reboot_physical) (char *cmd); - - /* get physical address */ - struct leon_prom_info *pspi = - (void *)(CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - unsigned int *srmmu_ctx_table; - - /* Turn of Interrupts */ - set_pil(0xf); - - /* Set kernel's context, context zero */ - srmmu_set_context(0); - - /* Get physical address of the MMU shutdown routine */ - reboot_physical = (void *) - SPARC_BYPASS_READ(&pspi->reloc_funcs.reboot_physical); - - /* Now that we know the physical address of the function - * we can make the MMU allow jumping to it. - */ - srmmu_ctx_table = (unsigned int *)srmmu_get_ctable_ptr(); - - srmmu_ctx_table = (unsigned int *)SPARC_BYPASS_READ(srmmu_ctx_table); - - /* get physical address of kernel's context table (assume ptd) */ - srmmu_ctx_table = (unsigned int *) - (((unsigned int)srmmu_ctx_table & 0xfffffffc) << 4); - - /* enable access to physical address of MMU shutdown function */ - SPARC_BYPASS_WRITE(&srmmu_ctx_table - [((unsigned int)reboot_physical) >> 24], - (((unsigned int)reboot_physical & 0xff000000) >> 4) | - 0x1e); - - /* flush TLB cache */ - leon_flush_tlb_all(); - - /* flash instruction & data cache */ - sparc_icache_flush_all(); - sparc_dcache_flush_all(); - - /* jump to physical address function - * so that when the MMU is disabled - * we can continue to execute - */ - reboot_physical(arg); -} - -static void PROM_TEXT leon_reboot_physical(char *bcommand) -{ - void __attribute__ ((noreturn)) (*reset) (void); - - /* Turn off MMU */ - srmmu_set_mmureg(0); - - /* Hardcoded start address */ - reset = CONFIG_SYS_MONITOR_BASE; - - /* flush data cache */ - sparc_dcache_flush_all(); - - /* flush instruction cache */ - sparc_icache_flush_all(); - - /* Jump to start in Flash */ - reset(); -} - -static void PROM_TEXT leon_halt(void) -{ - while (1) ; -} - -/* get single char, don't care for blocking*/ -static int PROM_TEXT leon_nbgetchar(void) -{ - return -1; -} - -/* put single char, don't care for blocking*/ -static int PROM_TEXT leon_nbputchar(int c) -{ - ambapp_dev_apbuart *uart; - - /* get physical address */ - struct leon_prom_info *pspi = - (void *)(CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - uart = (ambapp_dev_apbuart *) - SPARC_BYPASS_READ(&pspi->reloc_funcs.leon3_apbuart); - - /* no UART? */ - if (!uart) - return 0; - - /***** put char in buffer... *********** - * Make sure all functions are inline! * - ***************************************/ - - /* Wait for last character to go. */ - while (!(SPARC_BYPASS_READ(&uart->status) - & APBUART_STATUS_THE)); - - /* Send data */ - SPARC_BYPASS_WRITE(&uart->data, c); - - /* Wait for data to be sent */ - while (!(SPARC_BYPASS_READ(&uart->status) - & APBUART_STATUS_TSE)); - - return 0; -} - -/* node ops */ - -/*#define nodes ((struct node *)__va(&pspi->nodes))*/ -#define nodes ((struct node *)(pspi->nodes)) - -static int PROM_TEXT no_nextnode(int node) -{ - /* get physical address */ - struct leon_prom_info *pspi = - (void *)(CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - if (nodes[node].level == nodes[node + 1].level) - return node + 1; - return -1; -} - -static int PROM_TEXT no_child(int node) -{ - /* get physical address */ - struct leon_prom_info *pspi = (struct leon_prom_info *) - (CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - if (nodes[node].level == nodes[node + 1].level - 1) - return node + 1; - return -1; -} - -static struct property PROM_TEXT *find_property(int node, char *name) -{ - /* get physical address */ - struct leon_prom_info *pspi = (struct leon_prom_info *) - (CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - struct property *prop = &nodes[node].properties[0]; - while (prop && prop->name) { - if (pspi->reloc_funcs.strcmp(prop->name, name) == 0) - return prop; - prop++; - } - return NULL; -} - -static int PROM_TEXT no_proplen(int node, char *name) -{ - /* get physical address */ - struct leon_prom_info *pspi = (struct leon_prom_info *) - (CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - struct property *prop = pspi->reloc_funcs.find_property(node, name); - if (prop) - return prop->length; - return -1; -} - -static int PROM_TEXT no_getprop(int node, char *name, char *value) -{ - /* get physical address */ - struct leon_prom_info *pspi = (struct leon_prom_info *) - (CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - struct property *prop = pspi->reloc_funcs.find_property(node, name); - if (prop) { - pspi->reloc_funcs.memcpy(value, prop->value, prop->length); - return 1; - } - return -1; -} - -static int PROM_TEXT no_setprop(int node, char *name, char *value, int len) -{ - return -1; -} - -static char PROM_TEXT *no_nextprop(int node, char *name) -{ - /* get physical address */ - struct leon_prom_info *pspi = (struct leon_prom_info *) - (CONFIG_SYS_PROM_OFFSET + sizeof(srmmu_tables)); - struct property *prop; - - /* convert into virtual address */ - pspi = (struct leon_prom_info *) - (((unsigned int)pspi & 0x0fffffff) | PAGE_OFFSET); - - if (!name || !name[0]) - return nodes[node].properties[0].name; - - prop = pspi->reloc_funcs.find_property(node, name); - if (prop) - return prop[1].name; - return NULL; -} - -static int PROM_TEXT leon_strcmp(const char *s1, const char *s2) -{ - register char result; - - while (1) { - result = *s1 - *s2; - if (result || !*s1) - break; - s2++; - s1++; - } - - return result; -} - -static void *PROM_TEXT leon_memcpy(void *dest, const void *src, size_t n) -{ - char *dst = (char *)dest, *source = (char *)src; - - while (n--) { - *dst = *source; - dst++; - source++; - } - return dest; -} - -#define GETREGSP(sp) __asm__ __volatile__("mov %%sp, %0" : "=r" (sp)) - -void leon_prom_init(struct leon_prom_info *pspi) -{ - unsigned long i; - unsigned char cksum, *ptr; - char *addr_str, *end; - unsigned long sp; - GETREGSP(sp); - - pspi->freq_khz = CONFIG_SYS_CLK_FREQ / 1000; - - /* Set Available main memory size */ - pspi->totphys.num_bytes = CONFIG_SYS_PROM_OFFSET - CONFIG_SYS_SDRAM_BASE; - pspi->avail.num_bytes = pspi->totphys.num_bytes; - - /* Set the pointer to the Console UART in romvec */ - pspi->reloc_funcs.leon3_apbuart = gd->arch.uart; - - { - int j = 1; -#ifdef CONFIG_SMP - ambapp_dev_irqmp *b; - b = (ambapp_dev_irqmp *) leon3_getapbbase(VENDOR_GAISLER, - GAISLER_IRQMP); - if (b) { - j = 1 + ((LEON3_BYPASS_LOAD_PA(&(b->mpstatus)) - >> LEON3_IRQMPSTATUS_CPUNR) & 0xf); - } -#endif -#undef nodes - pspi->nodes[2 + j].level = -1; - pspi->nodes[2 + j].properties = __va(spi.root_properties + 3); - } - - /* Set Ethernet MAC address from environment */ - if ((addr_str = getenv("ethaddr")) != NULL) { - for (i = 0; i < 6; i++) { - pspi->idprom.id_ethaddr[i] = addr_str ? - simple_strtoul(addr_str, &end, 16) : 0; - if (addr_str) { - addr_str = (*end) ? end + 1 : end; - } - } - } else { - /* HW Address not found in environment, - * Set default HW address - */ - pspi->idprom.id_ethaddr[0] = 0; - pspi->idprom.id_ethaddr[1] = 0; - pspi->idprom.id_ethaddr[2] = 0; - pspi->idprom.id_ethaddr[3] = 0; - pspi->idprom.id_ethaddr[4] = 0; - pspi->idprom.id_ethaddr[5] = 0; - } - - ptr = (unsigned char *)&pspi->idprom; - for (i = cksum = 0; i <= 0x0E; i++) - cksum ^= *ptr++; - pspi->idprom.id_cksum = cksum; -} - -static inline void set_cache(unsigned long regval) -{ - asm volatile ("sta %0, [%%g0] %1\n\t":: "r" (regval), "i"(2):"memory"); -} - -extern unsigned short bss_start, bss_end; - -/* mark as section .img.main.text, to be referenced in linker script */ -int prom_init(void) -{ - struct leon_prom_info *pspi = (void *) - ((((unsigned int)&spi) & PROM_SIZE_MASK) + CONFIG_SYS_PROM_OFFSET); - - /* disable mmu */ - srmmu_set_mmureg(0x00000000); - __asm__ __volatile__("flush\n\t"); - - /* init prom info struct */ - leon_prom_init(pspi); - - kernel_arg_promvec = &pspi->romvec; -#ifdef PRINT_ROM_VEC - printf("Kernel rom vec: 0x%lx\n", (unsigned int)(&pspi->romvec)); -#endif - return 0; -} - -/* Copy current kernel boot argument to ROMvec */ -void prepare_bootargs(char *bootargs) -{ - struct leon_prom_info *pspi; - char *src, *dst; - int left; - - /* if no bootargs set, skip copying ==> default bootline */ - if (bootargs && (*bootargs != '\0')) { - pspi = (void *)((((unsigned int)&spi) & PROM_SIZE_MASK) + - CONFIG_SYS_PROM_OFFSET); - src = bootargs; - dst = &pspi->arg[0]; - left = 255; /* max len */ - while (*src && left > 0) { - *dst++ = *src++; - left--; - } - /* terminate kernel command line string */ - *dst = 0; - } -} - -void srmmu_init_cpu(unsigned int entry) -{ - sparc_srmmu_setup *psrmmu_tables = (void *) - ((((unsigned int)&srmmu_tables) & PROM_SIZE_MASK) + - CONFIG_SYS_PROM_OFFSET); - - /* Make context 0 (kernel's context) point - * to our prepared memory mapping - */ -#define PTD 1 - psrmmu_tables->ctx_table[0] = - ((unsigned int)&psrmmu_tables->pgd_table[0x00]) >> 4 | PTD; - - /* Set virtual kernel address 0xf0000000 - * to SRAM/SDRAM address. - * Make it READ/WRITE/EXEC to SuperUser - */ -#define PTE 2 -#define ACC_SU_ALL 0x1c - psrmmu_tables->pgd_table[0xf0] = - (CONFIG_SYS_SDRAM_BASE >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf1] = - ((CONFIG_SYS_SDRAM_BASE + 0x1000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf2] = - ((CONFIG_SYS_SDRAM_BASE + 0x2000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf3] = - ((CONFIG_SYS_SDRAM_BASE + 0x3000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf4] = - ((CONFIG_SYS_SDRAM_BASE + 0x4000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf5] = - ((CONFIG_SYS_SDRAM_BASE + 0x5000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf6] = - ((CONFIG_SYS_SDRAM_BASE + 0x6000000) >> 4) | ACC_SU_ALL | PTE; - psrmmu_tables->pgd_table[0xf7] = - ((CONFIG_SYS_SDRAM_BASE + 0x7000000) >> 4) | ACC_SU_ALL | PTE; - - /* convert rom vec pointer to virtual address */ - kernel_arg_promvec = (struct linux_romvec *) - (((unsigned int)kernel_arg_promvec & 0x0fffffff) | 0xf0000000); - - /* Set Context pointer to point to context table - * 256 contexts supported. - */ - srmmu_set_ctable_ptr((unsigned int)&psrmmu_tables->ctx_table[0]); - - /* Set kernel's context, context zero */ - srmmu_set_context(0); - - /* Invalidate all Cache */ - __asm__ __volatile__("flush\n\t"); - - srmmu_set_mmureg(0x00000001); - leon_flush_tlb_all(); - leon_flush_cache_all(); -} diff --git a/arch/sparc/cpu/leon3/serial.c b/arch/sparc/cpu/leon3/serial.c deleted file mode 100644 index bc6e7a1..0000000 --- a/arch/sparc/cpu/leon3/serial.c +++ /dev/null @@ -1,189 +0,0 @@ -/* GRLIB APBUART Serial controller driver - * - * (C) Copyright 2007, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <ambapp.h> -#include <grlib/apbuart.h> -#include <serial.h> -#include <watchdog.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* Select which UART that will become u-boot console */ -#ifndef CONFIG_SYS_GRLIB_APBUART_INDEX -/* Try to use CONFIG_CONS_INDEX, if available, it is numbered from 1 */ -#ifdef CONFIG_CONS_INDEX -#define CONFIG_SYS_GRLIB_APBUART_INDEX (CONFIG_CONS_INDEX - 1) -#else -#define CONFIG_SYS_GRLIB_APBUART_INDEX 0 -#endif -#endif - -static unsigned apbuart_calc_scaler(unsigned apbuart_freq, unsigned baud) -{ - return (((apbuart_freq * 10) / (baud * 8)) - 5) / 10; -} - -static int leon3_serial_init(void) -{ - ambapp_dev_apbuart *uart; - ambapp_apbdev apbdev; - unsigned int tmp; - - /* find UART */ - if (ambapp_apb_find(&ambapp_plb, VENDOR_GAISLER, GAISLER_APBUART, - CONFIG_SYS_GRLIB_APBUART_INDEX, &apbdev) != 1) { - gd->flags &= ~GD_FLG_SERIAL_READY; - panic("%s: apbuart not found!\n", __func__); - return -1; /* didn't find hardware */ - } - - /* found apbuart, let's init .. */ - uart = (ambapp_dev_apbuart *) apbdev.address; - - /* APBUART Frequency is equal to bus frequency */ - gd->arch.uart_freq = ambapp_bus_freq(&ambapp_plb, apbdev.ahb_bus_index); - - /* Set scaler / baud rate */ - tmp = apbuart_calc_scaler(gd->arch.uart_freq, CONFIG_BAUDRATE); - writel(tmp, &uart->scaler); - - /* Let bit 11 be unchanged (debug bit for GRMON) */ - tmp = readl(&uart->ctrl) & APBUART_CTRL_DBG; - /* Receiver & transmitter enable */ - tmp |= APBUART_CTRL_RE | APBUART_CTRL_TE; - writel(tmp, &uart->ctrl); - - gd->arch.uart = uart; - return 0; -} - -static inline ambapp_dev_apbuart *leon3_get_uart_regs(void) -{ - ambapp_dev_apbuart *uart = gd->arch.uart; - return uart; -} - -static void leon3_serial_putc_raw(const char c) -{ - ambapp_dev_apbuart * const uart = leon3_get_uart_regs(); - - if (!uart) - return; - - /* Wait for last character to go. */ - while (!(readl(&uart->status) & APBUART_STATUS_THE)) - WATCHDOG_RESET(); - - /* Send data */ - writel(c, &uart->data); - -#ifdef LEON_DEBUG - /* Wait for data to be sent */ - while (!(readl(&uart->status) & APBUART_STATUS_TSE)) - WATCHDOG_RESET(); -#endif -} - -static void leon3_serial_putc(const char c) -{ - if (c == '\n') - leon3_serial_putc_raw('\r'); - - leon3_serial_putc_raw(c); -} - -static int leon3_serial_getc(void) -{ - ambapp_dev_apbuart * const uart = leon3_get_uart_regs(); - - if (!uart) - return 0; - - /* Wait for a character to arrive. */ - while (!(readl(&uart->status) & APBUART_STATUS_DR)) - WATCHDOG_RESET(); - - /* Read character data */ - return readl(&uart->data); -} - -static int leon3_serial_tstc(void) -{ - ambapp_dev_apbuart * const uart = leon3_get_uart_regs(); - - if (!uart) - return 0; - - return readl(&uart->status) & APBUART_STATUS_DR; -} - -/* set baud rate for uart */ -static void leon3_serial_setbrg(void) -{ - ambapp_dev_apbuart * const uart = leon3_get_uart_regs(); - unsigned int scaler; - - if (!uart) - return; - - if (!gd->baudrate) - gd->baudrate = CONFIG_BAUDRATE; - - if (!gd->arch.uart_freq) - gd->arch.uart_freq = CONFIG_SYS_CLK_FREQ; - - scaler = apbuart_calc_scaler(gd->arch.uart_freq, gd->baudrate); - - writel(scaler, &uart->scaler); -} - -static struct serial_device leon3_serial_drv = { - .name = "leon3_serial", - .start = leon3_serial_init, - .stop = NULL, - .setbrg = leon3_serial_setbrg, - .putc = leon3_serial_putc, - .puts = default_serial_puts, - .getc = leon3_serial_getc, - .tstc = leon3_serial_tstc, -}; - -void leon3_serial_initialize(void) -{ - serial_register(&leon3_serial_drv); -} - -__weak struct serial_device *default_serial_console(void) -{ - return &leon3_serial_drv; -} - -#ifdef CONFIG_DEBUG_UART_APBUART - -#include <debug_uart.h> - -static inline void _debug_uart_init(void) -{ - ambapp_dev_apbuart *uart = (ambapp_dev_apbuart *)CONFIG_DEBUG_UART_BASE; - uart->scaler = apbuart_calc_scaler(CONFIG_DEBUG_UART_CLOCK, CONFIG_BAUDRATE); - uart->ctrl = APBUART_CTRL_RE | APBUART_CTRL_TE; -} - -static inline void _debug_uart_putc(int ch) -{ - ambapp_dev_apbuart *uart = (ambapp_dev_apbuart *)CONFIG_DEBUG_UART_BASE; - while (!(readl(&uart->status) & APBUART_STATUS_THE)) - WATCHDOG_RESET(); - writel(ch, &uart->data); -} - -DEBUG_UART_FUNCS - -#endif diff --git a/arch/sparc/cpu/leon3/start.S b/arch/sparc/cpu/leon3/start.S deleted file mode 100644 index 1527d72..0000000 --- a/arch/sparc/cpu/leon3/start.S +++ /dev/null @@ -1,681 +0,0 @@ -/* This is where the SPARC/LEON3 starts - * - * Copyright (C) 2007, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm-offsets.h> -#include <config.h> -#include <asm/asmmacro.h> -#include <asm/winmacro.h> -#include <asm/psr.h> -#include <asm/stack.h> -#include <asm/leon.h> -#include <ambapp.h> - -/* Default Plug&Play I/O area */ -#ifndef CONFIG_AMBAPP_IOAREA -#define CONFIG_AMBAPP_IOAREA AMBA_DEFAULT_IOAREA -#endif - -/* Default number of SPARC register windows */ -#ifndef CONFIG_SYS_SPARC_NWINDOWS -#define CONFIG_SYS_SPARC_NWINDOWS 8 -#endif - -/* Entry for traps which jump to a programmer-specified trap handler. */ -#define TRAPR(H) \ - wr %g0, 0xfe0, %psr; \ - mov %g0, %tbr; \ - ba (H); \ - mov %g0, %wim; - -#define TRAP(H) \ - mov %psr, %l0; \ - ba (H); \ - nop; nop; - -#define TRAPI(ilevel) \ - mov ilevel, %l7; \ - mov %psr, %l0; \ - b _irq_entry; \ - mov %wim, %l3 - -/* Unexcpected trap will halt the processor by forcing it to error state */ -#undef BAD_TRAP -#define BAD_TRAP ta 0; nop; nop; nop; - -/* Software trap. Treat as BAD_TRAP for the time being... */ -#define SOFT_TRAP TRAP(_hwerr) - -#define PSR_INIT 0x1FC0 /* Disable traps, set s and ps */ -#define WIM_INIT 2 - -/* All traps low-level code here must end with this macro. */ -#define RESTORE_ALL b ret_trap_entry; clr %l6; - -#define WRITE_PAUSE nop;nop;nop - -WINDOWSIZE = (16 * 4) -ARGPUSHSIZE = (6 * 4) -ARGPUSH = (WINDOWSIZE + 4) -MINFRAME = (WINDOWSIZE + ARGPUSHSIZE + 4) - -/* Number of register windows */ -#ifndef CONFIG_SYS_SPARC_NWINDOWS -#error Must define number of SPARC register windows, default is 8 -#endif - -/* Macros to load address into a register. Uses GOT table for PIC */ -#ifdef __PIC__ - -#define SPARC_PIC_THUNK_CALL(reg) \ - sethi %pc22(_GLOBAL_OFFSET_TABLE_-4), %##reg; \ - call __sparc_get_pc_thunk.reg; \ - add %##reg, %pc10(_GLOBAL_OFFSET_TABLE_+4), %##reg; - -#define SPARC_LOAD_ADDRESS(sym, got, reg) \ - sethi %gdop_hix22(sym), %##reg; \ - xor %##reg, %gdop_lox10(sym), %##reg; \ - ld [%##got + %##reg], %##reg, %gdop(sym); - -#else - -#define SPARC_PIC_THUNK_CALL(reg) -#define SPARC_LOAD_ADDRESS(sym, got, tmp) \ - set sym, %##reg; - -#endif - -#define STACK_ALIGN 8 -#define SA(X) (((X)+(STACK_ALIGN-1)) & ~(STACK_ALIGN-1)) - - .section ".start", "ax" - .globl _start, start, _trap_table - .globl _irq_entry, nmi_trap - .globl _reset_reloc - -/* at address 0 - * Hardware traps - */ -start: -_start: -_trap_table: - TRAPR(_hardreset); ! 00 reset trap - BAD_TRAP; ! 01 instruction_access_exception - BAD_TRAP; ! 02 illegal_instruction - BAD_TRAP; ! 03 priveleged_instruction - BAD_TRAP; ! 04 fp_disabled - TRAP(_window_overflow); ! 05 window_overflow - TRAP(_window_underflow); ! 06 window_underflow - BAD_TRAP; ! 07 Memory Address Not Aligned - BAD_TRAP; ! 08 Floating Point Exception - BAD_TRAP; ! 09 Data Miss Exception - BAD_TRAP; ! 0a Tagged Instruction Ovrflw - BAD_TRAP; ! 0b Watchpoint Detected - BAD_TRAP; ! 0c - BAD_TRAP; ! 0d - BAD_TRAP; ! 0e - BAD_TRAP; ! 0f - BAD_TRAP; ! 10 - TRAPI(1); ! 11 IRQ level 1 - TRAPI(2); ! 12 IRQ level 2 - TRAPI(3); ! 13 IRQ level 3 - TRAPI(4); ! 14 IRQ level 4 - TRAPI(5); ! 15 IRQ level 5 - TRAPI(6); ! 16 IRQ level 6 - TRAPI(7); ! 17 IRQ level 7 - TRAPI(8); ! 18 IRQ level 8 - TRAPI(9); ! 19 IRQ level 9 - TRAPI(10); ! 1a IRQ level 10 - TRAPI(11); ! 1b IRQ level 11 - TRAPI(12); ! 1c IRQ level 12 - TRAPI(13); ! 1d IRQ level 13 - TRAPI(14); ! 1e IRQ level 14 - TRAP(_nmi_trap); ! 1f IRQ level 15 / - ! NMI (non maskable interrupt) - BAD_TRAP; ! 20 r_register_access_error - BAD_TRAP; ! 21 instruction access error - BAD_TRAP; ! 22 - BAD_TRAP; ! 23 - BAD_TRAP; ! 24 co-processor disabled - BAD_TRAP; ! 25 uniplemented FLUSH - BAD_TRAP; ! 26 - BAD_TRAP; ! 27 - BAD_TRAP; ! 28 co-processor exception - BAD_TRAP; ! 29 data access error - BAD_TRAP; ! 2a division by zero - BAD_TRAP; ! 2b data store error - BAD_TRAP; ! 2c data access MMU miss - BAD_TRAP; ! 2d - BAD_TRAP; ! 2e - BAD_TRAP; ! 2f - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 30-33 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 34-37 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 38-3b - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 3c-3f - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 40-43 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 44-47 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 48-4b - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 4c-4f - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 50-53 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 54-57 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 58-5b - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 5c-5f - - /* implementaion dependent */ - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 60-63 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 64-67 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 68-6b - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 6c-6f - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 70-73 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 74-77 - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 78-7b - BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 7c-7f - - /* Software traps, not handled */ - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 80-83 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 84-87 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 88-8b - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 8c-8f - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 90-93 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 94-97 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 98-9b - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 9c-9f - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a0-a3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a4-a7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! a8-ab - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! ac-af - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b0-b3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b4-b7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! b8-bb - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! bc-bf - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c0-c3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c4-c7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! c8-cb - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! cc-cf - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d0-d3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d4-d7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! d8-db - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! dc-df - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e0-e3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e4-e7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! e8-eb - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! ec-ef - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f0-f3 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f4-f7 - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! f8-fb - SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! fc-ff - - .section ".text" - .extern _nomem_amba_init, _nomem_memory_ctrl_init - .align 4 - -_hardreset: -1000: - flush - - /* Enable I/D-Cache and Snooping */ - set 0x0081000f, %g2 - sta %g2, [%g0] 2 - - mov %g0, %y - clr %g1 - clr %g2 - clr %g3 - clr %g4 - clr %g5 - clr %g6 - clr %g7 - - mov %asr17, %g3 - and %g3, 0x1f, %g3 -clear_window: - mov %g0, %l0 - mov %g0, %l1 - mov %g0, %l2 - mov %g0, %l3 - mov %g0, %l4 - mov %g0, %l5 - mov %g0, %l6 - mov %g0, %l7 - mov %g0, %o0 - mov %g0, %o1 - mov %g0, %o2 - mov %g0, %o3 - mov %g0, %o4 - mov %g0, %o5 - mov %g0, %o6 - mov %g0, %o7 - subcc %g3, 1, %g3 - bge clear_window - save - -wiminit: - set WIM_INIT, %g3 - mov %g3, %wim - -stackinit: - set CONFIG_SYS_INIT_SP_OFFSET, %fp - andn %fp, 0x0f, %fp - sub %fp, 64, %sp - -tbrinit: - set CONFIG_SYS_TEXT_BASE, %g2 - wr %g0, %g2, %tbr - nop - nop - nop - -/* Obtain the address of _GLOBAL_OFFSET_TABLE_ */ - SPARC_PIC_THUNK_CALL(l7) - -/* Scan AMBA Bus for AMBA buses using PnP information. All found - * AMBA buses I/O area will be located in i0-i5 upon return. - * The i0-i5 registers are later used by _nomem_amba_init2 - */ -ambainit: - call _nomem_amba_init - sethi %hi(CONFIG_AMBAPP_IOAREA), %o0 - -/* Scan AMBA Buses for memory controllers, then initialize the - * memory controllers. Note that before setting up the memory controller - * the stack can not be used. - */ -memory_ctrl_init: - SPARC_LOAD_ADDRESS(grlib_mctrl_handlers, l7, o0) - - call _nomem_memory_ctrl_init - nop - -/* The return valu indicate how many memory controllers where found and - * initialized, if no memory controller was initialized, we can not continue - * because from here on we expect memory to be working. - */ - cmp %o0, 0 -memory_ctrl_init_failed: - beq memory_ctrl_init_failed - nop - -/*** From now on the stack can be used. ***/ - -cpu_init_unreloc: - call cpu_init_f - nop - -board_init_unreloc: - call board_init_f - clr %o0 ! boot_flags - -dead_unreloc: - mov 1, %g1 ! For GRMON2 to exit normally. - ta 0 ! If board_init_f call returns.. (unlikely) - nop - nop - ba dead_unreloc ! infinte loop - nop - -!------------------------------------------------------------------------------- - -/* void relocate_code (addr_sp, gd, addr_moni) - * - * This "function" does not return, instead it continues in RAM after - * relocating the monitor code. - * - * %o0 = Relocated stack pointer - * %o1 = Relocated global data pointer - * %o2 = Relocated text pointer - * - * %l7 = _GLOBAL_OFFSET_TABLE_ address - */ - .globl relocate_code - .type relocate_code, #function - .align 4 -relocate_code: - !SPARC_PIC_THUNK_CALL(l7) -reloc: - SPARC_LOAD_ADDRESS(_text, l7, g2) ! start address of monitor - SPARC_LOAD_ADDRESS(__init_end, l7, g3) ! end address of monitor - mov %o2, %g4 ! relocation address - sub %g4, %g2, %g6 ! relocation offset - /* copy .text & .data to relocated address */ -10: ldd [%g2], %l0 - ldd [%g2+8], %l2 - std %l0, [%g4] - std %l2, [%g4+8] - inc 16, %g2 ! src += 16 - cmp %g2, %g3 - bcs 10b ! while (src < end) - inc 16, %g4 ! dst += 16 - - clr %l0 - clr %l1 - clr %l2 - clr %l3 - clr %g2 - -/* register g4 contain address to start - * This means that BSS must be directly after data and code segments - * - * g3 is length of bss = (__bss_end-__bss_start) - * - */ - - /* clear the relocated .bss area */ -clr_bss: - SPARC_LOAD_ADDRESS(__bss_start, l7, g2) - SPARC_LOAD_ADDRESS(__bss_end, l7, g3) - sub %g3,%g2,%g3 ! length of .bss area - add %g3,%g4,%g3 - /* clearing 16byte a time ==> linker script need to align to 16 byte offset */ - clr %g1 /* std %g0 uses g0 and g1 */ -20: - std %g0, [%g4] - std %g0, [%g4+8] - inc 16, %g4 ! ptr += 16 - cmp %g4, %g3 - bcs 20b ! while (ptr < end) - nop - - /* add offsets to GOT table */ -fixup_got: - SPARC_LOAD_ADDRESS(__got_start, l7, g4) - add %g4, %g6, %g4 - SPARC_LOAD_ADDRESS(__got_end, l7, g3) - add %g3, %g6, %g3 -30: ld [%g4], %l0 -#ifdef CONFIG_RELOC_GOT_SKIP_NULL - cmp %l0, 0 - be 32f -#endif - add %l0, %g6, %l0 ! relocate GOT pointer - st %l0, [%g4] -32: inc 4, %g4 ! ptr += 4 - cmp %g4, %g3 - bcs 30b ! while (ptr < end) - nop - -prom_relocate: - SPARC_LOAD_ADDRESS(__prom_start, l7, g2) - SPARC_LOAD_ADDRESS(__prom_end, l7, g3) - /* - * Calculated addres is stored in this variable by - * reserve_prom() function in common/board_f.c - */ - SPARC_LOAD_ADDRESS(__prom_start_reloc, l7, g4) - ld [%g4], %g4 - -40: ldd [%g2], %l0 - ldd [%g2+8], %l2 - std %l0, [%g4] - std %l2, [%g4+8] - inc 16, %g2 - cmp %g2, %g3 - bcs 40b - inc 16, %g4 - -! %o0 = stack pointer (relocated) -! %o1 = global data pointer (relocated) -! %o2 = text pointer (relocated) - -! %g6 = relocation offset -! %l7 = _GLOBAL_OFFSET_TABLE_ - -/* Trap table has been moved, lets tell CPU about - * the new trap table address - */ -update_trap_table_address: - wr %g0, %o2, %tbr - nop - nop - nop - -update_stack_pointers: - mov %o0, %fp - andn %fp, 0x0f, %fp ! align to 16 bytes - add %fp, -64, %fp ! make space for a window push - mov %fp, %sp ! setup stack pointer - -jump_board_init_r: - mov %o1, %o0 ! relocated global data pointer - mov %o2, %o1 ! relocated text pointer - SPARC_LOAD_ADDRESS(board_init_r, l7, o3) - add %o3, %g6, %o3 ! add relocation offset - call %o3 - nop - -dead: - mov 1, %g1 ! For GRMON2 to exit normally. - ta 0 ! if call returns.. (unlikely) - nop - b dead ! infinte loop - nop - -!------------------------------------------------------------------------------ - -/* Interrupt handler caller, - * reg L7: interrupt number - * reg L0: psr after interrupt - * reg L1: PC - * reg L2: next PC - * reg L3: wim - */ -_irq_entry: - SAVE_ALL - - or %l0, PSR_PIL, %g2 - wr %g2, 0x0, %psr - WRITE_PAUSE - wr %g2, PSR_ET, %psr - WRITE_PAUSE - mov %l7, %o0 ! irq level - set handler_irq, %o1 - set (CONFIG_SYS_RELOC_MONITOR_BASE-CONFIG_SYS_TEXT_BASE), %o2 - add %o1, %o2, %o1 - call %o1 - add %sp, SF_REGS_SZ, %o1 ! pt_regs ptr - or %l0, PSR_PIL, %g2 ! restore PIL after handler_irq - wr %g2, PSR_ET, %psr ! keep ET up - WRITE_PAUSE - - RESTORE_ALL - -!------------------------------------------------------------------------------ - -/* - * Window overflow trap handler - */ - .global _window_overflow - -_window_overflow: - - mov %wim, %l3 ! Calculate next WIM - mov %g1, %l7 - srl %l3, 1, %g1 - sll %l3, (CONFIG_SYS_SPARC_NWINDOWS-1), %l4 - or %g1, %l4, %g1 - save ! Get into window to be saved. - mov %g1, %wim - nop; nop; nop - st %l0, [%sp + 0] ! Save window to the stack - st %l1, [%sp + 4] - st %l2, [%sp + 8] - st %l3, [%sp + 12] - st %l4, [%sp + 16] - st %l5, [%sp + 20] - st %l6, [%sp + 24] - st %l7, [%sp + 28] - st %i0, [%sp + 32] - st %i1, [%sp + 36] - st %i2, [%sp + 40] - st %i3, [%sp + 44] - st %i4, [%sp + 48] - st %i5, [%sp + 52] - st %i6, [%sp + 56] - st %i7, [%sp + 60] - restore ! Go back to trap window. - mov %l7, %g1 - jmp %l1 ! Re-execute save. - rett %l2 - -/* - * Window underflow trap handler - */ - .global _window_underflow - -_window_underflow: - - mov %wim, %l3 ! Calculate next WIM - srl %l3, (CONFIG_SYS_SPARC_NWINDOWS-1), %l5 - sll %l3, 1, %l4 - or %l5, %l4, %l5 - mov %l5, %wim - nop; nop; nop - restore ! Two restores to get into the - restore ! window to restore - ld [%sp + 0], %l0; ! Restore window from the stack - ld [%sp + 4], %l1; - ld [%sp + 8], %l2; - ld [%sp + 12], %l3; - ld [%sp + 16], %l4; - ld [%sp + 20], %l5; - ld [%sp + 24], %l6; - ld [%sp + 28], %l7; - ld [%sp + 32], %i0; - ld [%sp + 36], %i1; - ld [%sp + 40], %i2; - ld [%sp + 44], %i3; - ld [%sp + 48], %i4; - ld [%sp + 52], %i5; - ld [%sp + 56], %i6; - ld [%sp + 60], %i7; - save ! Get back to the trap window. - save - jmp %l1 ! Re-execute restore. - rett %l2 - -!------------------------------------------------------------------------------ - -_nmi_trap: - nop - jmp %l1 - rett %l2 - -_hwerr: - ta 0 - nop - nop - b _hwerr ! loop infinite - nop - -/* Registers to not touch at all. */ -#define t_psr l0 /* Set by caller */ -#define t_pc l1 /* Set by caller */ -#define t_npc l2 /* Set by caller */ -#define t_wim l3 /* Set by caller */ -#define t_twinmask l4 /* Set at beginning of this entry routine. */ -#define t_kstack l5 /* Set right before pt_regs frame is built */ -#define t_retpc l6 /* If you change this, change winmacro.h header file */ -#define t_systable l7 /* Never touch this, could be the syscall table ptr. */ -#define curptr g6 /* Set after pt_regs frame is built */ - -trap_setup: -/* build a pt_regs trap frame. */ - sub %fp, (SF_REGS_SZ + PT_REGS_SZ), %t_kstack - PT_STORE_ALL(t_kstack, t_psr, t_pc, t_npc, g2) - - /* See if we are in the trap window. */ - mov 1, %t_twinmask - sll %t_twinmask, %t_psr, %t_twinmask ! t_twinmask = (1 << psr) - andcc %t_twinmask, %t_wim, %g0 - beq 1f ! in trap window, clean up - nop - - /*------------------------------------------------- - * Spill , adjust %wim and go. - */ - srl %t_wim, 0x1, %g2 ! begin computation of new %wim - - set (CONFIG_SYS_SPARC_NWINDOWS-1), %g3 !NWINDOWS-1 - - sll %t_wim, %g3, %t_wim ! NWINDOWS-1 - or %t_wim, %g2, %g2 - and %g2, 0xff, %g2 - - save %g0, %g0, %g0 ! get in window to be saved - - /* Set new %wim value */ - wr %g2, 0x0, %wim - - /* Save the kernel window onto the corresponding stack. */ - RW_STORE(sp) - - restore %g0, %g0, %g0 - /*-------------------------------------------------*/ - -1: - /* Trap from kernel with a window available. - * Just do it... - */ - jmpl %t_retpc + 0x8, %g0 ! return to caller - mov %t_kstack, %sp ! jump onto new stack - -#define twin_tmp1 l4 -#define glob_tmp g4 -#define curptr g6 -ret_trap_entry: - wr %t_psr, 0x0, %psr ! enable nesting again, clear ET - - /* Will the rett land us in the invalid window? */ - mov 2, %g1 - sll %g1, %t_psr, %g1 - - set CONFIG_SYS_SPARC_NWINDOWS, %g2 !NWINDOWS - - srl %g1, %g2, %g2 - or %g1, %g2, %g1 - rd %wim, %g2 - andcc %g2, %g1, %g0 - be 1f ! Nope, just return from the trap - sll %g2, 0x1, %g1 - - /* We have to grab a window before returning. */ - set (CONFIG_SYS_SPARC_NWINDOWS-1), %g3 !NWINDOWS-1 - - srl %g2, %g3, %g2 - or %g1, %g2, %g1 - and %g1, 0xff, %g1 - - wr %g1, 0x0, %wim - - /* Grrr, make sure we load from the right %sp... */ - PT_LOAD_ALL(sp, t_psr, t_pc, t_npc, g1) - - restore %g0, %g0, %g0 - RW_LOAD(sp) - b 2f - save %g0, %g0, %g0 - - /* Reload the entire frame in case this is from a - * kernel system call or whatever... - */ -1: - PT_LOAD_ALL(sp, t_psr, t_pc, t_npc, g1) -2: - wr %t_psr, 0x0, %psr - nop; - nop; - nop - - jmp %t_pc - rett %t_npc - -/* This is called from relocated C-code. - * It resets the system by jumping to _start - */ -_reset_reloc: - set start, %l0 - call %l0 - nop diff --git a/arch/sparc/cpu/leon3/usb_uhci.c b/arch/sparc/cpu/leon3/usb_uhci.c deleted file mode 100644 index 67bd124..0000000 --- a/arch/sparc/cpu/leon3/usb_uhci.c +++ /dev/null @@ -1,1195 +0,0 @@ -/* - * Part of this code has been derived from linux: - * Universal Host Controller Interface driver for USB (take II). - * - * (c) 1999-2001 Georg Acher, acher@in.tum.de (executive slave) (base guitar) - * Deti Fliegl, deti@fliegl.de (executive slave) (lead voice) - * Thomas Sailer, sailer@ife.ee.ethz.ch (chief consultant) (cheer leader) - * Roman Weissgaerber, weissg@vienna.at (virt root hub) (studio porter) - * (c) 2000 Yggdrasil Computing, Inc. (port of new PCI interface support - * from usb-ohci.c by Adam Richter, adam@yggdrasil.com). - * (C) 2000 David Brownell, david-b@pacbell.net (usb-ohci.c) - * - * HW-initalization based on material of - * - * (C) Copyright 1999 Linus Torvalds - * (C) Copyright 1999 Johannes Erdfelt - * (C) Copyright 1999 Randy Dunlap - * (C) Copyright 1999 Gregory P. Smith - * - * - * Adapted for U-Boot: - * (C) Copyright 2001 Denis Peter, MPL AG Switzerland - * (C) Copyright 2008, Daniel Hellström, daniel@gaisler.com - * Added AMBA Plug&Play detection of GRUSB, modified interrupt handler. - * Added cache flushes where needed. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/********************************************************************** - * How it works: - * ------------- - * The framelist / Transfer descriptor / Queue Heads are similar like - * in the linux usb_uhci.c. - * - * During initialization, the following skeleton is allocated in init_skel: - * - * framespecific | common chain - * - * framelist[] - * [ 0 ]-----> TD ---------\ - * [ 1 ]-----> TD ----------> TD ------> QH -------> QH -------> QH ---> NULL - * ... TD ---------/ - * [1023]-----> TD --------/ - * - * ^^ ^^ ^^ ^^ ^^ - * 7 TDs for 1 TD for Start of Start of End Chain - * INT (2-128ms) 1ms-INT CTRL Chain BULK Chain - * - * - * Since this is a bootloader, the isochronous transfer descriptor have been removed. - * - * Interrupt Transfers. - * -------------------- - * For Interrupt transfers USB_MAX_TEMP_INT_TD Transfer descriptor are available. They - * will be inserted after the appropriate (depending the interval setting) skeleton TD. - * If an interrupt has been detected the dev->irqhandler is called. The status and number - * of transferred bytes is stored in dev->irq_status resp. dev->irq_act_len. If the - * dev->irqhandler returns 0, the interrupt TD is removed and disabled. If an 1 is returned, - * the interrupt TD will be reactivated. - * - * Control Transfers - * ----------------- - * Control Transfers are issued by filling the tmp_td with the appropriate data and connect - * them to the qh_cntrl queue header. Before other control/bulk transfers can be issued, - * the programm has to wait for completion. This does not allows asynchronous data transfer. - * - * Bulk Transfers - * -------------- - * Bulk Transfers are issued by filling the tmp_td with the appropriate data and connect - * them to the qh_bulk queue header. Before other control/bulk transfers can be issued, - * the programm has to wait for completion. This does not allows asynchronous data transfer. - * - * - */ - -#include <common.h> -#include <ambapp.h> -#include <asm/leon.h> -#include <asm/leon3.h> -#include <asm/processor.h> - -#ifdef CONFIG_USB_UHCI - -#include <usb.h> -#include "usb_uhci.h" - -DECLARE_GLOBAL_DATA_PTR; - -#define USB_MAX_TEMP_TD 128 /* number of temporary TDs for bulk and control transfers */ -#define USB_MAX_TEMP_INT_TD 32 /* number of temporary TDs for Interrupt transfers */ - -/* -#define out16r(address,data) (*(unsigned short *)(address) = \ - (unsigned short)( \ - (((unsigned short)(data)&0xff)<<8) | \ - (((unsigned short)(data)&0xff00)>>8) \ - )) - */ -#define out16r(address,data) _out16r((unsigned int)(address), (unsigned short)(data)) -void _out16r(unsigned int address, unsigned short data) -{ - unsigned short val = (unsigned short)((((unsigned short)(data) & 0xff) - << 8) | (((unsigned short)(data) - & 0xff00) >> 8)); -#ifdef UHCI_DEBUG_REGS - printf("out16r(0x%lx,0x%04x = 0x%04x)\n", address, val, data); -#endif - *(unsigned short *)(address) = val; -} - -#define out32r(address,data) _out32r((unsigned int)(address), (unsigned int)(data)) -void _out32r(unsigned int address, unsigned int data) -{ - unsigned int val = (unsigned int)((((unsigned int)(data) & 0x000000ff) - << 24) | (((unsigned int)(data) & - 0x0000ff00) << 8) | - (((unsigned int)(data) & 0x00ff0000) - >> 8) | (((unsigned int)(data) & - 0xff000000) >> 24)); -#ifdef UHCI_DEBUG_REGS - printf("out32r(0x%lx,0x%lx = 0x%lx)\n", address, val, data); -#endif - *(unsigned int *)address = val; -} - -#define in16r(address) _in16r((unsigned int)(address)) -unsigned short _in16r(unsigned int address) -{ - unsigned short val = sparc_load_reg_cachemiss_word(address); - val = ((val << 8) & 0xff00) | ((val >> 8) & 0xff); -#ifdef UHCI_DEBUG_REGS - printf("in16r(0x%lx): 0x%04x\n", address, val); -#endif - return val; -} - -#define in32r(address) _in32r((unsigned int)(address)) -unsigned int _in32r(unsigned int address) -{ - unsigned int val = sparc_load_reg_cachemiss(address); - val = - ((val << 24) & 0xff000000) | ((val << 8) & 0xff0000) | ((val >> 8) & - 0xff00) | - ((val >> 24) & 0xff); -#ifdef UHCI_DEBUG_REGS - printf("in32r(0x%lx): 0x%08x\n", address, val); -#endif - return val; -} - -#define READ32(address) sparc_load_reg_cachemiss((unsigned int)(address)) - -/*#define USB_UHCI_DEBUG*/ -#undef USB_UHCI_DEBUG - -void usb_show_td(int max); -#ifdef USB_UHCI_DEBUG -void grusb_show_regs(void); -#define USB_UHCI_PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define USB_UHCI_PRINTF(fmt,args...) -#endif - -static int grusb_irq = -1; /* irq vector, if -1 uhci is stopped / reseted */ -unsigned int usb_base_addr; /* base address */ - -static uhci_td_t td_int[8] __attribute__ ((aligned(16))); /* Interrupt Transfer descriptors */ -static uhci_qh_t qh_cntrl __attribute__ ((aligned(16))); /* control Queue Head */ -static uhci_qh_t qh_bulk __attribute__ ((aligned(16))); /* bulk Queue Head */ -static uhci_qh_t qh_end __attribute__ ((aligned(16))); /* end Queue Head */ -static uhci_td_t td_last __attribute__ ((aligned(16))); /* last TD (linked with end chain) */ - -/* temporary tds */ -static uhci_td_t tmp_td[USB_MAX_TEMP_TD] __attribute__ ((aligned(16))); /* temporary bulk/control td's */ -static uhci_td_t tmp_int_td[USB_MAX_TEMP_INT_TD] __attribute__ ((aligned(16))); /* temporary interrupt td's */ - -static unsigned long framelist[1024] __attribute__ ((aligned(0x1000))); /* frame list */ - -static struct virt_root_hub rh; /* struct for root hub */ - -/********************************************************************** - * some forward decleration - */ -int uhci_submit_rh_msg(struct usb_device *dev, unsigned long pipe, - void *buffer, int transfer_len, - struct devrequest *setup); - -/* fill a td with the approproiate data. Link, status, info and buffer - * are used by the USB controller itselfes, dev is used to identify the - * "connected" device - */ -void usb_fill_td(uhci_td_t * td, unsigned long link, unsigned long status, - unsigned long info, unsigned long buffer, unsigned long dev) -{ - td->link = swap_32(link); - td->status = swap_32(status); - if ((info & UHCI_PID) == 0) - info |= USB_PID_OUT; - td->info = swap_32(info); - td->buffer = swap_32(buffer); - td->dev_ptr = dev; -} - -/* fill a qh with the approproiate data. Head and element are used by the USB controller - * itselfes. As soon as a valid dev_ptr is filled, a td chain is connected to the qh. - * Please note, that after completion of the td chain, the entry element is removed / - * marked invalid by the USB controller. - */ -void usb_fill_qh(uhci_qh_t * qh, unsigned long head, unsigned long element) -{ - qh->head = swap_32(head); - qh->element = swap_32(element); - qh->dev_ptr = 0L; -} - -/* get the status of a td->status - */ -unsigned long usb_uhci_td_stat(unsigned long status) -{ - unsigned long result = 0; - result |= (status & TD_CTRL_NAK) ? USB_ST_NAK_REC : 0; - result |= (status & TD_CTRL_STALLED) ? USB_ST_STALLED : 0; - result |= (status & TD_CTRL_DBUFERR) ? USB_ST_BUF_ERR : 0; - result |= (status & TD_CTRL_BABBLE) ? USB_ST_BABBLE_DET : 0; - result |= (status & TD_CTRL_CRCTIMEO) ? USB_ST_CRC_ERR : 0; - result |= (status & TD_CTRL_BITSTUFF) ? USB_ST_BIT_ERR : 0; - result |= (status & TD_CTRL_ACTIVE) ? USB_ST_NOT_PROC : 0; - return result; -} - -/* get the status and the transferred len of a td chain. - * called from the completion handler - */ -int usb_get_td_status(uhci_td_t * td, struct usb_device *dev) -{ - unsigned long temp, info; - unsigned long stat; - uhci_td_t *mytd = td; - - if (dev->devnum == rh.devnum) - return 0; - dev->act_len = 0; - stat = 0; - do { - temp = swap_32((unsigned long)READ32(&mytd->status)); - stat = usb_uhci_td_stat(temp); - info = swap_32((unsigned long)READ32(&mytd->info)); - if (((info & 0xff) != USB_PID_SETUP) && (((info >> 21) & 0x7ff) != 0x7ff) && (temp & 0x7FF) != 0x7ff) { /* if not setup and not null data pack */ - dev->act_len += (temp & 0x7FF) + 1; /* the transferred len is act_len + 1 */ - } - if (stat) { /* status no ok */ - dev->status = stat; - return -1; - } - temp = swap_32((unsigned long)READ32(&mytd->link)); - mytd = (uhci_td_t *) (temp & 0xfffffff0); - } while ((temp & 0x1) == 0); /* process all TDs */ - dev->status = stat; - return 0; /* Ok */ -} - -/*------------------------------------------------------------------- - * LOW LEVEL STUFF - * assembles QHs und TDs for control, bulk and iso - *-------------------------------------------------------------------*/ -int dummy(void) -{ - USB_UHCI_PRINTF("DUMMY\n"); - return 0; -} - -/* Submits a control message. That is a Setup, Data and Status transfer. - * Routine does not wait for completion. - */ -int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, struct devrequest *setup) -{ - unsigned long destination, status; - int maxsze = usb_maxpacket(dev, pipe); - unsigned long dataptr; - int len; - int pktsze; - int i = 0; - - if (!maxsze) { - USB_UHCI_PRINTF - ("uhci_submit_control_urb: pipesize for pipe %lx is zero\n", - pipe); - return -1; - } - if (((pipe >> 8) & 0x7f) == rh.devnum) { - /* this is the root hub -> redirect it */ - return uhci_submit_rh_msg(dev, pipe, buffer, transfer_len, - setup); - } - USB_UHCI_PRINTF("uhci_submit_control start len %x, maxsize %x\n", - transfer_len, maxsze); - /* The "pipe" thing contains the destination in bits 8--18 */ - destination = (pipe & PIPE_DEVEP_MASK) | USB_PID_SETUP; /* Setup stage */ - /* 3 errors */ - status = (pipe & TD_CTRL_LS) | TD_CTRL_ACTIVE | (3 << 27); - /* (urb->transfer_flags & USB_DISABLE_SPD ? 0 : TD_CTRL_SPD); */ - /* Build the TD for the control request, try forever, 8 bytes of data */ - usb_fill_td(&tmp_td[i], UHCI_PTR_TERM, status, destination | (7 << 21), - (unsigned long)setup, (unsigned long)dev); -#ifdef DEBUG_EXTRA - { - char *sp = (char *)setup; - printf("SETUP to pipe %lx: %x %x %x %x %x %x %x %x\n", pipe, - sp[0], sp[1], sp[2], sp[3], sp[4], sp[5], sp[6], sp[7]); - } -#endif - dataptr = (unsigned long)buffer; - len = transfer_len; - - /* If direction is "send", change the frame from SETUP (0x2D) - to OUT (0xE1). Else change it from SETUP to IN (0x69). */ - destination = - (pipe & PIPE_DEVEP_MASK) | ((pipe & USB_DIR_IN) == - 0 ? USB_PID_OUT : USB_PID_IN); - while (len > 0) { - /* data stage */ - pktsze = len; - i++; - if (pktsze > maxsze) - pktsze = maxsze; - destination ^= 1 << TD_TOKEN_TOGGLE; /* toggle DATA0/1 */ - usb_fill_td(&tmp_td[i], UHCI_PTR_TERM, status, destination | ((pktsze - 1) << 21), dataptr, (unsigned long)dev); /* Status, pktsze bytes of data */ - tmp_td[i - 1].link = swap_32((unsigned long)&tmp_td[i]); - - dataptr += pktsze; - len -= pktsze; - } - - /* Build the final TD for control status */ - /* It's only IN if the pipe is out AND we aren't expecting data */ - - destination &= ~UHCI_PID; - if (((pipe & USB_DIR_IN) == 0) || (transfer_len == 0)) - destination |= USB_PID_IN; - else - destination |= USB_PID_OUT; - destination |= 1 << TD_TOKEN_TOGGLE; /* End in Data1 */ - i++; - status &= ~TD_CTRL_SPD; - /* no limit on errors on final packet , 0 bytes of data */ - usb_fill_td(&tmp_td[i], UHCI_PTR_TERM, status | TD_CTRL_IOC, - destination | (UHCI_NULL_DATA_SIZE << 21), 0, - (unsigned long)dev); - tmp_td[i - 1].link = swap_32((unsigned long)&tmp_td[i]); /* queue status td */ - /* usb_show_td(i+1); */ - USB_UHCI_PRINTF("uhci_submit_control end (%d tmp_tds used)\n", i); - /* first mark the control QH element terminated */ - qh_cntrl.element = 0xffffffffL; - /* set qh active */ - qh_cntrl.dev_ptr = (unsigned long)dev; - /* fill in tmp_td_chain */ - dummy(); - qh_cntrl.element = swap_32((unsigned long)&tmp_td[0]); - return 0; -} - -/*------------------------------------------------------------------- - * Prepare TDs for bulk transfers. - */ -int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len) -{ - unsigned long destination, status, info; - unsigned long dataptr; - int maxsze = usb_maxpacket(dev, pipe); - int len; - int i = 0; - - if (transfer_len < 0) { - printf("Negative transfer length in submit_bulk\n"); - return -1; - } - if (!maxsze) - return -1; - /* The "pipe" thing contains the destination in bits 8--18. */ - destination = (pipe & PIPE_DEVEP_MASK) | usb_packetid(pipe); - /* 3 errors */ - status = (pipe & TD_CTRL_LS) | TD_CTRL_ACTIVE | (3 << 27); - /* ((urb->transfer_flags & USB_DISABLE_SPD) ? 0 : TD_CTRL_SPD) | (3 << 27); */ - /* Build the TDs for the bulk request */ - len = transfer_len; - dataptr = (unsigned long)buffer; - do { - int pktsze = len; - if (pktsze > maxsze) - pktsze = maxsze; - /* pktsze bytes of data */ - info = - destination | (((pktsze - 1) & UHCI_NULL_DATA_SIZE) << 21) | - (usb_gettoggle - (dev, usb_pipeendpoint(pipe), - usb_pipeout(pipe)) << TD_TOKEN_TOGGLE); - - if ((len - pktsze) == 0) - status |= TD_CTRL_IOC; /* last one generates INT */ - - usb_fill_td(&tmp_td[i], UHCI_PTR_TERM, status, info, dataptr, (unsigned long)dev); /* Status, pktsze bytes of data */ - if (i > 0) - tmp_td[i - 1].link = swap_32((unsigned long)&tmp_td[i]); - i++; - dataptr += pktsze; - len -= pktsze; - usb_dotoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)); - } while (len > 0); - /* first mark the bulk QH element terminated */ - qh_bulk.element = 0xffffffffL; - /* set qh active */ - qh_bulk.dev_ptr = (unsigned long)dev; - /* fill in tmp_td_chain */ - qh_bulk.element = swap_32((unsigned long)&tmp_td[0]); - return 0; -} - -/* search a free interrupt td - */ -uhci_td_t *uhci_alloc_int_td(void) -{ - int i; - for (i = 0; i < USB_MAX_TEMP_INT_TD; i++) { - if (tmp_int_td[i].dev_ptr == 0) /* no device assigned -> free TD */ - return &tmp_int_td[i]; - } - return NULL; -} - -/*------------------------------------------------------------------- - * submits USB interrupt (ie. polling ;-) - */ -int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, int interval) -{ - int nint, n; - unsigned long status, destination; - unsigned long info, tmp; - uhci_td_t *mytd; - if (interval < 0 || interval >= 256) - return -1; - - if (interval == 0) - nint = 0; - else { - for (nint = 0, n = 1; nint <= 8; nint++, n += n) { /* round interval down to 2^n */ - if (interval < n) { - interval = n / 2; - break; - } - } - nint--; - } - - USB_UHCI_PRINTF("Rounded interval to %i, chain %i\n", interval, nint); - mytd = uhci_alloc_int_td(); - if (mytd == NULL) { - printf("No free INT TDs found\n"); - return -1; - } - status = (pipe & TD_CTRL_LS) | TD_CTRL_ACTIVE | TD_CTRL_IOC | (3 << 27); -/* (urb->transfer_flags & USB_DISABLE_SPD ? 0 : TD_CTRL_SPD) | (3 << 27); -*/ - - destination = - (pipe & PIPE_DEVEP_MASK) | usb_packetid(pipe) | - (((transfer_len - 1) & 0x7ff) << 21); - - info = - destination | - (usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)) << - TD_TOKEN_TOGGLE); - tmp = swap_32(td_int[nint].link); - usb_fill_td(mytd, tmp, status, info, (unsigned long)buffer, - (unsigned long)dev); - /* Link it */ - tmp = swap_32((unsigned long)mytd); - td_int[nint].link = tmp; - - usb_dotoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)); - - return 0; -} - -/********************************************************************** - * Low Level functions - */ - -void reset_hc(void) -{ - - /* Global reset for 100ms */ - out16r(usb_base_addr + USBPORTSC1, 0x0204); - out16r(usb_base_addr + USBPORTSC2, 0x0204); - out16r(usb_base_addr + USBCMD, USBCMD_GRESET | USBCMD_RS); - /* Turn off all interrupts */ - out16r(usb_base_addr + USBINTR, 0); - mdelay(50); - out16r(usb_base_addr + USBCMD, 0); - mdelay(10); -} - -void start_hc(void) -{ - int timeout = 1000; - - while (in16r(usb_base_addr + USBCMD) & USBCMD_HCRESET) { - if (!--timeout) { - printf("USBCMD_HCRESET timed out!\n"); - break; - } - } - /* Turn on all interrupts */ - out16r(usb_base_addr + USBINTR, - USBINTR_TIMEOUT | USBINTR_RESUME | USBINTR_IOC | USBINTR_SP); - /* Start at frame 0 */ - out16r(usb_base_addr + USBFRNUM, 0); - /* set Framebuffer base address */ - out32r(usb_base_addr + USBFLBASEADD, (unsigned long)&framelist); - /* Run and mark it configured with a 64-byte max packet */ - out16r(usb_base_addr + USBCMD, USBCMD_RS | USBCMD_CF | USBCMD_MAXP); -} - -/* Initialize the skeleton - */ -void usb_init_skel(void) -{ - unsigned long temp; - int n; - - for (n = 0; n < USB_MAX_TEMP_INT_TD; n++) - tmp_int_td[n].dev_ptr = 0L; /* no devices connected */ - /* last td */ - usb_fill_td(&td_last, UHCI_PTR_TERM, TD_CTRL_IOC, USB_PID_OUT, 0, 0L); - /* usb_fill_td(&td_last,UHCI_PTR_TERM,0,0,0); */ - /* End Queue Header */ - usb_fill_qh(&qh_end, UHCI_PTR_TERM, (unsigned long)&td_last); - /* Bulk Queue Header */ - temp = (unsigned long)&qh_end; - usb_fill_qh(&qh_bulk, temp | UHCI_PTR_QH, UHCI_PTR_TERM); - /* Control Queue Header */ - temp = (unsigned long)&qh_bulk; - usb_fill_qh(&qh_cntrl, temp | UHCI_PTR_QH, UHCI_PTR_TERM); - /* 1ms Interrupt td */ - temp = (unsigned long)&qh_cntrl; - usb_fill_td(&td_int[0], temp | UHCI_PTR_QH, 0, USB_PID_OUT, 0, 0L); - temp = (unsigned long)&td_int[0]; - for (n = 1; n < 8; n++) - usb_fill_td(&td_int[n], temp, 0, USB_PID_OUT, 0, 0L); - for (n = 0; n < 1024; n++) { - /* link all framelist pointers to one of the interrupts */ - int m, o; - if ((n & 127) == 127) - framelist[n] = swap_32((unsigned long)&td_int[0]); - else - for (o = 1, m = 2; m <= 128; o++, m += m) - if ((n & (m - 1)) == ((m - 1) / 2)) - framelist[n] = - swap_32((unsigned long)&td_int[o]); - - } -} - -/* check the common skeleton for completed transfers, and update the status - * of the "connected" device. Called from the IRQ routine. - */ -void usb_check_skel(void) -{ - struct usb_device *dev; - /* start with the control qh */ - if (qh_cntrl.dev_ptr != 0) { /* it's a device assigned check if this caused IRQ */ - dev = (struct usb_device *)qh_cntrl.dev_ptr; - /* Flush cache now that hardware updated DATA and TDs/QHs */ - if (!gd->arch.snooping_avail) - sparc_dcache_flush_all(); - usb_get_td_status(&tmp_td[0], dev); /* update status */ - if (!(dev->status & USB_ST_NOT_PROC)) { /* is not active anymore, disconnect devices */ - qh_cntrl.dev_ptr = 0; - } - } - /* now process the bulk */ - if (qh_bulk.dev_ptr != 0) { /* it's a device assigned check if this caused IRQ */ - dev = (struct usb_device *)qh_bulk.dev_ptr; - /* Flush cache now that hardware updated DATA and TDs/QHs */ - if (!gd->arch.snooping_avail) - sparc_dcache_flush_all(); - usb_get_td_status(&tmp_td[0], dev); /* update status */ - if (!(dev->status & USB_ST_NOT_PROC)) { /* is not active anymore, disconnect devices */ - qh_bulk.dev_ptr = 0; - } - } -} - -/* check the interrupt chain, ubdate the status of the appropriate device, - * call the appropriate irqhandler and reactivate the TD if the irqhandler - * returns with 1 - */ -void usb_check_int_chain(void) -{ - int i, res; - unsigned long link, status; - struct usb_device *dev; - uhci_td_t *td, *prevtd; - - for (i = 0; i < 8; i++) { - prevtd = &td_int[i]; /* the first previous td is the skeleton td */ - link = swap_32(READ32(&td_int[i].link)) & 0xfffffff0; /* next in chain */ - td = (uhci_td_t *) link; /* assign it */ - /* all interrupt TDs are finally linked to the td_int[0]. - * so we process all until we find the td_int[0]. - * if int0 chain points to a QH, we're also done - */ - while (((i > 0) && (link != (unsigned long)&td_int[0])) || - ((i == 0) - && !(swap_32(READ32(&td->link)) & UHCI_PTR_QH))) { - /* check if a device is assigned with this td */ - status = swap_32(READ32(&td->status)); - if ((td->dev_ptr != 0L) && !(status & TD_CTRL_ACTIVE)) { - /* td is not active and a device is assigned -> call irqhandler */ - dev = (struct usb_device *)td->dev_ptr; - dev->irq_act_len = ((status & 0x7FF) == 0x7FF) ? 0 : (status & 0x7FF) + 1; /* transferred length */ - dev->irq_status = usb_uhci_td_stat(status); /* get status */ - res = dev->irq_handle(dev); /* call irqhandler */ - if (res == 1) { - /* reactivate */ - status |= TD_CTRL_ACTIVE; - td->status = swap_32(status); - prevtd = td; /* previous td = this td */ - } else { - prevtd->link = READ32(&td->link); /* link previous td directly to the nex td -> unlinked */ - /* remove device pointer */ - td->dev_ptr = 0L; - } - } /* if we call the irq handler */ - link = swap_32(READ32(&td->link)) & 0xfffffff0; /* next in chain */ - td = (uhci_td_t *) link; /* assign it */ - } /* process all td in this int chain */ - } /* next interrupt chain */ -} - -/* usb interrupt service routine. - */ -void handle_usb_interrupt(void) -{ - unsigned short status; - static int error = 0; - - /* - * Read the interrupt status, and write it back to clear the - * interrupt cause - */ - - status = in16r(usb_base_addr + USBSTS); - - if (!status) /* shared interrupt, not mine */ - return; - if (status != 1) { - /* remove host controller halted state */ - if ((status & (USBSTS_HCPE | USBSTS_HCH)) == - (USBSTS_HCPE | USBSTS_HCH)) { - /* Stop due to bug in driver, or hardware */ - out16r(usb_base_addr + USBSTS, status); - out16r(usb_base_addr + USBCMD, - USBCMD_HCRESET | USBCMD_GRESET); - printf - ("GRUSB: HW detected error(s) in USB Descriptors (STS: 0x%x)\n", - status); - usb_show_td(8); - return; - } else if ((status & 0x20) - && ((in16r(usb_base_addr + USBCMD) & USBCMD_RS) == - 0)) { - if (error < 10) { - out16r(usb_base_addr + USBCMD, - USBCMD_RS | in16r(usb_base_addr + - USBCMD)); - error++; - } - } else - error = 0; - } - usb_check_int_chain(); /* call interrupt handlers for int tds */ - usb_check_skel(); /* call completion handler for common transfer routines */ - out16r(usb_base_addr + USBSTS, status); -} - -/* init uhci - */ -int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) -{ - ambapp_ahbdev ahbdev; - - /* Find GRUSB core using AMBA Plug&Play information */ - if (ambapp_ahbslv_find(&ambapp_plb, VENDOR_GAISLER, GAISLER_UHCI, - CONFIG_SYS_GRLIB_GRUSB_INDEX, &ahbdev) != 1) { - printf("USB UHCI: Failed to find GRUSB controller\n"); - return -1; - } - usb_base_addr = ahbdev.address[0]; - grusb_irq = ahbdev.irq; - /* - usb_base_addr = 0xfffa0000; - grusb_irq = 10; - */ -#ifdef USB_UHCI_DEBUG - grusb_show_regs(); -#endif - memset(td_int, 0, sizeof(td_int)); - memset(tmp_td, 0, sizeof(tmp_td)); - memset(tmp_int_td, 0, sizeof(tmp_int_td)); - memset(&qh_cntrl, 0, sizeof(qh_cntrl)); - memset(&qh_end, 0, sizeof(qh_end)); - memset(&td_last, 0, sizeof(td_last)); - - irq_free_handler(grusb_irq); - USB_UHCI_PRINTF("GRUSB: at 0x%lx irq %d\n", usb_base_addr, grusb_irq); - rh.devnum = 0; - usb_init_skel(); - reset_hc(); - start_hc(); - irq_install_handler(grusb_irq, - (interrupt_handler_t *) handle_usb_interrupt, NULL); - return 0; -} - -/* stop uhci - */ -int usb_lowlevel_stop(int index) -{ - if (grusb_irq == -1) - return 1; - irq_free_handler(grusb_irq); - reset_hc(); - grusb_irq = -1; - return 0; -} - -/******************************************************************************************* - * Virtual Root Hub - * Since the uhci does not have a real HUB, we simulate one ;-) - */ -#undef USB_RH_DEBUG - -#ifdef USB_RH_DEBUG -#define USB_RH_PRINTF(fmt,args...) printf (fmt ,##args) -static void usb_display_wValue(unsigned short wValue, unsigned short wIndex); -static void usb_display_Req(unsigned short req); -#else -#define USB_RH_PRINTF(fmt,args...) -static void usb_display_wValue(unsigned short wValue, unsigned short wIndex) -{ -} -static void usb_display_Req(unsigned short req) -{ -} -#endif - -#define WANT_USB_ROOT_HUB_HUB_DES -#include <usbroothubdes.h> -#undef WANT_USB_ROOT_HUB_HUB_DES - -/* - * Root Hub Control Pipe (interrupt Pipes are not supported) - */ - -int uhci_submit_rh_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, struct devrequest *cmd) -{ - void *data = buffer; - int leni = transfer_len; - int len = 0; - int status = 0; - int stat = 0; - int i; - - unsigned short cstatus; - - unsigned short bmRType_bReq; - unsigned short wValue; - unsigned short wIndex; - unsigned short wLength; - - if (usb_pipeint(pipe)) { - printf("Root-Hub submit IRQ: NOT implemented\n"); - return 0; - } - bmRType_bReq = cmd->requesttype | cmd->request << 8; - wValue = swap_16(cmd->value); - wIndex = swap_16(cmd->index); - wLength = swap_16(cmd->length); - usb_display_Req(bmRType_bReq); - for (i = 0; i < 8; i++) - rh.c_p_r[i] = 0; - USB_RH_PRINTF("Root-Hub: adr: %2x cmd(%1x): %02x%02x %04x %04x %04x\n", - dev->devnum, 8, cmd->requesttype, cmd->request, wValue, - wIndex, wLength); - - switch (bmRType_bReq) { - /* Request Destination: - without flags: Device, - RH_INTERFACE: interface, - RH_ENDPOINT: endpoint, - RH_CLASS means HUB here, - RH_OTHER | RH_CLASS almost ever means HUB_PORT here - */ - - case RH_GET_STATUS: - *(unsigned short *)data = swap_16(1); - len = 2; - break; - case RH_GET_STATUS | RH_INTERFACE: - *(unsigned short *)data = swap_16(0); - len = 2; - break; - case RH_GET_STATUS | RH_ENDPOINT: - *(unsigned short *)data = swap_16(0); - len = 2; - break; - case RH_GET_STATUS | RH_CLASS: - *(unsigned long *)data = swap_32(0); - len = 4; - break; /* hub power ** */ - case RH_GET_STATUS | RH_OTHER | RH_CLASS: - - status = in16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1)); - cstatus = ((status & USBPORTSC_CSC) >> (1 - 0)) | - ((status & USBPORTSC_PEC) >> (3 - 1)) | - (rh.c_p_r[wIndex - 1] << (0 + 4)); - status = (status & USBPORTSC_CCS) | ((status & USBPORTSC_PE) >> (2 - 1)) | ((status & USBPORTSC_SUSP) >> (12 - 2)) | ((status & USBPORTSC_PR) >> (9 - 4)) | (1 << 8) | /* power on ** */ - ((status & USBPORTSC_LSDA) << (-8 + 9)); - - *(unsigned short *)data = swap_16(status); - *(unsigned short *)(data + 2) = swap_16(cstatus); - len = 4; - break; - case RH_CLEAR_FEATURE | RH_ENDPOINT: - switch (wValue) { - case (RH_ENDPOINT_STALL): - len = 0; - break; - } - break; - - case RH_CLEAR_FEATURE | RH_CLASS: - switch (wValue) { - case (RH_C_HUB_OVER_CURRENT): - len = 0; /* hub power over current ** */ - break; - } - break; - - case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: - usb_display_wValue(wValue, wIndex); - switch (wValue) { - case (RH_PORT_ENABLE): - status = - in16r(usb_base_addr + USBPORTSC1 + - 2 * (wIndex - 1)); - status = (status & 0xfff5) & ~USBPORTSC_PE; - out16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1), - status); - len = 0; - break; - case (RH_PORT_SUSPEND): - status = - in16r(usb_base_addr + USBPORTSC1 + - 2 * (wIndex - 1)); - status = (status & 0xfff5) & ~USBPORTSC_SUSP; - out16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1), - status); - len = 0; - break; - case (RH_PORT_POWER): - len = 0; /* port power ** */ - break; - case (RH_C_PORT_CONNECTION): - status = - in16r(usb_base_addr + USBPORTSC1 + - 2 * (wIndex - 1)); - status = (status & 0xfff5) | USBPORTSC_CSC; - out16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1), - status); - len = 0; - break; - case (RH_C_PORT_ENABLE): - status = - in16r(usb_base_addr + USBPORTSC1 + - 2 * (wIndex - 1)); - status = (status & 0xfff5) | USBPORTSC_PEC; - out16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1), - status); - len = 0; - break; - case (RH_C_PORT_SUSPEND): -/*** WR_RH_PORTSTAT(RH_PS_PSSC); */ - len = 0; - break; - case (RH_C_PORT_OVER_CURRENT): - len = 0; - break; - case (RH_C_PORT_RESET): - rh.c_p_r[wIndex - 1] = 0; - len = 0; - break; - } - break; - case RH_SET_FEATURE | RH_OTHER | RH_CLASS: - usb_display_wValue(wValue, wIndex); - switch (wValue) { - case (RH_PORT_SUSPEND): - status = - in16r(usb_base_addr + USBPORTSC1 + - 2 * (wIndex - 1)); - status = (status & 0xfff5) | USBPORTSC_SUSP; - out16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1), - status); - len = 0; - break; - case (RH_PORT_RESET): - status = - in16r(usb_base_addr + USBPORTSC1 + - 2 * (wIndex - 1)); - status = (status & 0xfff5) | USBPORTSC_PR; - out16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1), - status); - mdelay(10); - status = (status & 0xfff5) & ~USBPORTSC_PR; - out16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1), - status); - udelay(10); - status = (status & 0xfff5) | USBPORTSC_PE; - out16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1), - status); - mdelay(10); - status = (status & 0xfff5) | 0xa; - out16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1), - status); - len = 0; - break; - case (RH_PORT_POWER): - len = 0; /* port power ** */ - break; - case (RH_PORT_ENABLE): - status = - in16r(usb_base_addr + USBPORTSC1 + - 2 * (wIndex - 1)); - status = (status & 0xfff5) | USBPORTSC_PE; - out16r(usb_base_addr + USBPORTSC1 + 2 * (wIndex - 1), - status); - len = 0; - break; - } - break; - - case RH_SET_ADDRESS: - rh.devnum = wValue; - len = 0; - break; - case RH_GET_DESCRIPTOR: - switch ((wValue & 0xff00) >> 8) { - case (0x01): /* device descriptor */ - i = sizeof(root_hub_config_des); - status = i > wLength ? wLength : i; - len = leni > status ? status : leni; - memcpy(data, root_hub_dev_des, len); - break; - case (0x02): /* configuration descriptor */ - i = sizeof(root_hub_config_des); - status = i > wLength ? wLength : i; - len = leni > status ? status : leni; - memcpy(data, root_hub_config_des, len); - break; - case (0x03): /*string descriptors */ - if (wValue == 0x0300) { - i = sizeof(root_hub_str_index0); - status = i > wLength ? wLength : i; - len = leni > status ? status : leni; - memcpy(data, root_hub_str_index0, len); - break; - } - if (wValue == 0x0301) { - i = sizeof(root_hub_str_index1); - status = i > wLength ? wLength : i; - len = leni > status ? status : leni; - memcpy(data, root_hub_str_index1, len); - break; - } - stat = USB_ST_STALLED; - } - break; - - case RH_GET_DESCRIPTOR | RH_CLASS: - root_hub_hub_des[2] = 2; - i = sizeof(root_hub_hub_des); - status = i > wLength ? wLength : i; - len = leni > status ? status : leni; - memcpy(data, root_hub_hub_des, len); - break; - case RH_GET_CONFIGURATION: - *(unsigned char *)data = 0x01; - len = 1; - break; - case RH_SET_CONFIGURATION: - len = 0; - break; - default: - stat = USB_ST_STALLED; - } - USB_RH_PRINTF("Root-Hub stat %lx port1: %x port2: %x\n\n", stat, - in16r(usb_base_addr + USBPORTSC1), - in16r(usb_base_addr + USBPORTSC2)); - dev->act_len = len; - dev->status = stat; - return stat; - -} - -/******************************************************************************** - * Some Debug Routines - */ - -#ifdef USB_RH_DEBUG - -static void usb_display_Req(unsigned short req) -{ - USB_RH_PRINTF("- Root-Hub Request: "); - switch (req) { - case RH_GET_STATUS: - USB_RH_PRINTF("Get Status "); - break; - case RH_GET_STATUS | RH_INTERFACE: - USB_RH_PRINTF("Get Status Interface "); - break; - case RH_GET_STATUS | RH_ENDPOINT: - USB_RH_PRINTF("Get Status Endpoint "); - break; - case RH_GET_STATUS | RH_CLASS: - USB_RH_PRINTF("Get Status Class"); - break; /* hub power ** */ - case RH_GET_STATUS | RH_OTHER | RH_CLASS: - USB_RH_PRINTF("Get Status Class Others"); - break; - case RH_CLEAR_FEATURE | RH_ENDPOINT: - USB_RH_PRINTF("Clear Feature Endpoint "); - break; - case RH_CLEAR_FEATURE | RH_CLASS: - USB_RH_PRINTF("Clear Feature Class "); - break; - case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: - USB_RH_PRINTF("Clear Feature Other Class "); - break; - case RH_SET_FEATURE | RH_OTHER | RH_CLASS: - USB_RH_PRINTF("Set Feature Other Class "); - break; - case RH_SET_ADDRESS: - USB_RH_PRINTF("Set Address "); - break; - case RH_GET_DESCRIPTOR: - USB_RH_PRINTF("Get Descriptor "); - break; - case RH_GET_DESCRIPTOR | RH_CLASS: - USB_RH_PRINTF("Get Descriptor Class "); - break; - case RH_GET_CONFIGURATION: - USB_RH_PRINTF("Get Configuration "); - break; - case RH_SET_CONFIGURATION: - USB_RH_PRINTF("Get Configuration "); - break; - default: - USB_RH_PRINTF("****UNKNOWN**** 0x%04X ", req); - } - USB_RH_PRINTF("\n"); - -} - -static void usb_display_wValue(unsigned short wValue, unsigned short wIndex) -{ - switch (wValue) { - case (RH_PORT_ENABLE): - USB_RH_PRINTF("Root-Hub: Enable Port %d\n", wIndex); - break; - case (RH_PORT_SUSPEND): - USB_RH_PRINTF("Root-Hub: Suspend Port %d\n", wIndex); - break; - case (RH_PORT_POWER): - USB_RH_PRINTF("Root-Hub: Port Power %d\n", wIndex); - break; - case (RH_C_PORT_CONNECTION): - USB_RH_PRINTF("Root-Hub: C Port Connection Port %d\n", wIndex); - break; - case (RH_C_PORT_ENABLE): - USB_RH_PRINTF("Root-Hub: C Port Enable Port %d\n", wIndex); - break; - case (RH_C_PORT_SUSPEND): - USB_RH_PRINTF("Root-Hub: C Port Suspend Port %d\n", wIndex); - break; - case (RH_C_PORT_OVER_CURRENT): - USB_RH_PRINTF("Root-Hub: C Port Over Current Port %d\n", - wIndex); - break; - case (RH_C_PORT_RESET): - USB_RH_PRINTF("Root-Hub: C Port reset Port %d\n", wIndex); - break; - default: - USB_RH_PRINTF("Root-Hub: unknown %x %x\n", wValue, wIndex); - break; - } -} - -#endif - -/*#ifdef USB_UHCI_DEBUG*/ - -static int usb_display_td(uhci_td_t * td) -{ - unsigned long tmp; - int valid; - - printf("TD at %p:\n", td); - - tmp = swap_32(READ32(&td->link)); - printf("Link points to 0x%08lX, %s first, %s, %s\n", tmp & 0xfffffff0, - ((tmp & 0x4) == 0x4) ? "Depth" : "Breath", - ((tmp & 0x2) == 0x2) ? "QH" : "TD", - ((tmp & 0x1) == 0x1) ? "invalid" : "valid"); - valid = ((tmp & 0x1) == 0x0); - tmp = swap_32(READ32(&td->status)); - printf - (" %s %ld Errors %s %s %s \n %s %s %s %s %s %s\n Len 0x%lX\n", - (((tmp >> 29) & 0x1) == 0x1) ? "SPD Enable" : "SPD Disable", - ((tmp >> 28) & 0x3), - (((tmp >> 26) & 0x1) == 0x1) ? "Low Speed" : "Full Speed", - (((tmp >> 25) & 0x1) == 0x1) ? "ISO " : "", - (((tmp >> 24) & 0x1) == 0x1) ? "IOC " : "", - (((tmp >> 23) & 0x1) == 0x1) ? "Active " : "Inactive ", - (((tmp >> 22) & 0x1) == 0x1) ? "Stalled" : "", - (((tmp >> 21) & 0x1) == 0x1) ? "Data Buffer Error" : "", - (((tmp >> 20) & 0x1) == 0x1) ? "Babble" : "", - (((tmp >> 19) & 0x1) == 0x1) ? "NAK" : "", - (((tmp >> 18) & 0x1) == 0x1) ? "Bitstuff Error" : "", - (tmp & 0x7ff)); - tmp = swap_32(READ32(&td->info)); - printf(" MaxLen 0x%lX\n", ((tmp >> 21) & 0x7FF)); - printf(" %sEndpoint 0x%lX Dev Addr 0x%lX PID 0x%lX\n", - ((tmp >> 19) & 0x1) == 0x1 ? "TOGGLE " : "", ((tmp >> 15) & 0xF), - ((tmp >> 8) & 0x7F), tmp & 0xFF); - tmp = swap_32(READ32(&td->buffer)); - printf(" Buffer 0x%08lX\n", tmp); - printf(" DEV %08lX\n", td->dev_ptr); - return valid; -} - -void usb_show_td(int max) -{ - int i; - if (max > 0) { - for (i = 0; i < max; i++) { - usb_display_td(&tmp_td[i]); - } - } else { - i = 0; - do { - printf("tmp_td[%d]\n", i); - } while (usb_display_td(&tmp_td[i++])); - } -} - -void grusb_show_regs(void) -{ - unsigned int tmp; - - tmp = in16r(usb_base_addr + USBCMD); - printf(" USBCMD: 0x%04x\n", tmp); - tmp = in16r(usb_base_addr + USBSTS); - printf(" USBSTS: 0x%04x\n", tmp); - tmp = in16r(usb_base_addr + USBINTR); - printf(" USBINTR: 0x%04x\n", tmp); - tmp = in16r(usb_base_addr + USBFRNUM); - printf(" FRNUM: 0x%04x\n", tmp); - tmp = in32r(usb_base_addr + USBFLBASEADD); - printf(" FLBASEADD: 0x%08x\n", tmp); - tmp = in16r(usb_base_addr + USBSOF); - printf(" SOFMOD: 0x%04x\n", tmp); - tmp = in16r(usb_base_addr + USBPORTSC1); - printf(" PORTSC1: 0x%04x\n", tmp); -} - -/*#endif*/ -#endif /* CONFIG_USB_UHCI */ - -/* EOF */ diff --git a/arch/sparc/cpu/leon3/usb_uhci.h b/arch/sparc/cpu/leon3/usb_uhci.h deleted file mode 100644 index 034814a..0000000 --- a/arch/sparc/cpu/leon3/usb_uhci.h +++ /dev/null @@ -1,167 +0,0 @@ -/* - * (C) Copyright 2001 - * Denis Peter, MPL AG Switzerland - * - * SPDX-License-Identifier: GPL-2.0+ - * - * Note: Part of this code has been derived from linux - */ -#ifndef _USB_UHCI_H_ -#define _USB_UHCI_H_ - -/* Command register */ -#define USBCMD 0 -#define USBCMD_RS 0x0001 /* Run/Stop */ -#define USBCMD_HCRESET 0x0002 /* Host reset */ -#define USBCMD_GRESET 0x0004 /* Global reset */ -#define USBCMD_EGSM 0x0008 /* Global Suspend Mode */ -#define USBCMD_FGR 0x0010 /* Force Global Resume */ -#define USBCMD_SWDBG 0x0020 /* SW Debug mode */ -#define USBCMD_CF 0x0040 /* Config Flag (sw only) */ -#define USBCMD_MAXP 0x0080 /* Max Packet (0 = 32, 1 = 64) */ - -/* Status register */ -#define USBSTS 2 -#define USBSTS_USBINT 0x0001 /* Interrupt due to IOC */ -#define USBSTS_ERROR 0x0002 /* Interrupt due to error */ -#define USBSTS_RD 0x0004 /* Resume Detect */ -#define USBSTS_HSE 0x0008 /* Host System Error - basically PCI problems */ -#define USBSTS_HCPE 0x0010 /* Host Controller Process Error - the scripts were buggy */ -#define USBSTS_HCH 0x0020 /* HC Halted */ - -/* Interrupt enable register */ -#define USBINTR 4 -#define USBINTR_TIMEOUT 0x0001 /* Timeout/CRC error enable */ -#define USBINTR_RESUME 0x0002 /* Resume interrupt enable */ -#define USBINTR_IOC 0x0004 /* Interrupt On Complete enable */ -#define USBINTR_SP 0x0008 /* Short packet interrupt enable */ - -#define USBFRNUM 6 -#define USBFLBASEADD 8 -#define USBSOF 12 - -/* USB port status and control registers */ -#define USBPORTSC1 16 -#define USBPORTSC2 18 -#define USBPORTSC_CCS 0x0001 /* Current Connect Status ("device present") */ -#define USBPORTSC_CSC 0x0002 /* Connect Status Change */ -#define USBPORTSC_PE 0x0004 /* Port Enable */ -#define USBPORTSC_PEC 0x0008 /* Port Enable Change */ -#define USBPORTSC_LS 0x0030 /* Line Status */ -#define USBPORTSC_RD 0x0040 /* Resume Detect */ -#define USBPORTSC_LSDA 0x0100 /* Low Speed Device Attached */ -#define USBPORTSC_PR 0x0200 /* Port Reset */ -#define USBPORTSC_SUSP 0x1000 /* Suspend */ - -/* Legacy support register */ -#define USBLEGSUP 0xc0 -#define USBLEGSUP_DEFAULT 0x2000 /* only PIRQ enable set */ - -#define UHCI_NULL_DATA_SIZE 0x7ff /* for UHCI controller TD */ -#define UHCI_PID 0xff /* PID MASK */ - -#define UHCI_PTR_BITS 0x000F -#define UHCI_PTR_TERM 0x0001 -#define UHCI_PTR_QH 0x0002 -#define UHCI_PTR_DEPTH 0x0004 - -/* for TD <status>: */ -#define TD_CTRL_SPD (1 << 29) /* Short Packet Detect */ -#define TD_CTRL_C_ERR_MASK (3 << 27) /* Error Counter bits */ -#define TD_CTRL_LS (1 << 26) /* Low Speed Device */ -#define TD_CTRL_IOS (1 << 25) /* Isochronous Select */ -#define TD_CTRL_IOC (1 << 24) /* Interrupt on Complete */ -#define TD_CTRL_ACTIVE (1 << 23) /* TD Active */ -#define TD_CTRL_STALLED (1 << 22) /* TD Stalled */ -#define TD_CTRL_DBUFERR (1 << 21) /* Data Buffer Error */ -#define TD_CTRL_BABBLE (1 << 20) /* Babble Detected */ -#define TD_CTRL_NAK (1 << 19) /* NAK Received */ -#define TD_CTRL_CRCTIMEO (1 << 18) /* CRC/Time Out Error */ -#define TD_CTRL_BITSTUFF (1 << 17) /* Bit Stuff Error */ -#define TD_CTRL_ACTLEN_MASK 0x7ff /* actual length, encoded as n - 1 */ - -#define TD_CTRL_ANY_ERROR (TD_CTRL_STALLED | TD_CTRL_DBUFERR | \ - TD_CTRL_BABBLE | TD_CTRL_CRCTIME | TD_CTRL_BITSTUFF) - -#define TD_TOKEN_TOGGLE 19 - -/* ------------------------------------------------------------------------------------ - Virtual Root HUB - ------------------------------------------------------------------------------------ */ -/* destination of request */ -#define RH_INTERFACE 0x01 -#define RH_ENDPOINT 0x02 -#define RH_OTHER 0x03 - -#define RH_CLASS 0x20 -#define RH_VENDOR 0x40 - -/* Requests: bRequest << 8 | bmRequestType */ -#define RH_GET_STATUS 0x0080 -#define RH_CLEAR_FEATURE 0x0100 -#define RH_SET_FEATURE 0x0300 -#define RH_SET_ADDRESS 0x0500 -#define RH_GET_DESCRIPTOR 0x0680 -#define RH_SET_DESCRIPTOR 0x0700 -#define RH_GET_CONFIGURATION 0x0880 -#define RH_SET_CONFIGURATION 0x0900 -#define RH_GET_STATE 0x0280 -#define RH_GET_INTERFACE 0x0A80 -#define RH_SET_INTERFACE 0x0B00 -#define RH_SYNC_FRAME 0x0C80 -/* Our Vendor Specific Request */ -#define RH_SET_EP 0x2000 - -/* Hub port features */ -#define RH_PORT_CONNECTION 0x00 -#define RH_PORT_ENABLE 0x01 -#define RH_PORT_SUSPEND 0x02 -#define RH_PORT_OVER_CURRENT 0x03 -#define RH_PORT_RESET 0x04 -#define RH_PORT_POWER 0x08 -#define RH_PORT_LOW_SPEED 0x09 -#define RH_C_PORT_CONNECTION 0x10 -#define RH_C_PORT_ENABLE 0x11 -#define RH_C_PORT_SUSPEND 0x12 -#define RH_C_PORT_OVER_CURRENT 0x13 -#define RH_C_PORT_RESET 0x14 - -/* Hub features */ -#define RH_C_HUB_LOCAL_POWER 0x00 -#define RH_C_HUB_OVER_CURRENT 0x01 - -#define RH_DEVICE_REMOTE_WAKEUP 0x00 -#define RH_ENDPOINT_STALL 0x01 - -/* Our Vendor Specific feature */ -#define RH_REMOVE_EP 0x00 - -#define RH_ACK 0x01 -#define RH_REQ_ERR -1 -#define RH_NACK 0x00 - -/* Transfer descriptor structure */ -typedef struct { - unsigned long link; /* next td/qh (LE) */ - unsigned long status; /* status of the td */ - unsigned long info; /* Max Lenght / Endpoint / device address and PID */ - unsigned long buffer; /* pointer to data buffer (LE) */ - unsigned long dev_ptr; /* pointer to the assigned device (BE) */ - unsigned long res[3]; /* reserved (TDs must be 8Byte aligned) */ -} uhci_td_t, *puhci_td_t; - -/* Queue Header structure */ -typedef struct { - unsigned long head; /* Next QH (LE) */ - unsigned long element; /* Queue element pointer (LE) */ - unsigned long res[5]; /* reserved */ - unsigned long dev_ptr; /* if 0 no tds have been assigned to this qh */ -} uhci_qh_t, *puhci_qh_t; - -struct virt_root_hub { - int devnum; /* Address of Root Hub endpoint */ - int numports; /* number of ports */ - int c_p_r[8]; /* C_PORT_RESET */ -}; - -#endif /* _USB_UHCI_H_ */ diff --git a/arch/sparc/cpu/u-boot.lds b/arch/sparc/cpu/u-boot.lds deleted file mode 100644 index 1ade3b3..0000000 --- a/arch/sparc/cpu/u-boot.lds +++ /dev/null @@ -1,142 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc") -OUTPUT_ARCH(sparc) -ENTRY(_start) -SECTIONS -{ - -/* Read-only sections, merged into text segment: */ - . = + SIZEOF_HEADERS; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rel.text : { *(.rel.text) } - .rela.text : { *(.rela.text) } - .rel.data : { *(.rel.data) } - .rela.data : { *(.rela.data) } - .rel.rodata : { *(.rel.rodata) } - .rela.rodata : { *(.rela.rodata) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.bss : { *(.rel.bss) } - .rela.bss : { *(.rela.bss) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - .init : { *(.init) } - .plt : { *(.plt) } - - .text : { - _load_addr = .; - _text = .; - - *(.start) - */start.o (.text) -/* 8k is the same as the PROM offset from end of main memory, (CONFIG_SYS_PROM_SIZE) */ - . = ALIGN(8192); -/* PROM CODE, Will be relocated to the end of memory, - * no global data accesses please. - */ - __prom_start = .; - *(.prom.pgt) - *(.prom.data) - *(.prom.text) - . = ALIGN(16); - __prom_end = .; - *(.text) - *(.fixup) - *(.gnu.warning) -/* *(.got1)*/ - . = ALIGN(16); - *(.eh_frame) - *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) - } - . = ALIGN(4); - _etext = .; - - /* CMD Table */ - - - . = ALIGN(4); - .u_boot_list : { - KEEP(*(SORT(.u_boot_list*))); - } - - .data : - { - *(.data) - *(.data1) - *(.data.rel) - *(.data.rel.*) - *(.sdata) - *(.sdata2) - *(.dynamic) - CONSTRUCTORS - } - _edata = .; - PROVIDE (edata = .); - - . = ALIGN(4); - __got_start = .; - .got : { - *(.got) -/* *(.data.rel) - *(.data.rel.local)*/ - . = ALIGN(16); - } - __got_end = .; - -/* .data.rel : { } */ - - - . = ALIGN(4096); - __init_begin = .; - .text.init : { *(.text.init) } - .data.init : { *(.data.init) } - . = ALIGN(4096); - __init_end = .; - - __bss_start = .; - .bss : - { - *(.sbss) *(.scommon) - *(.dynbss) - *(.bss) - *(COMMON) - . = ALIGN(16); /* to speed clearing of bss up */ - } - __bss_end = . ; - __bss_end = . ; - PROVIDE (end = .); - -/* Relocated into main memory */ - - /* Start of main memory */ - /*. = 0x40000000;*/ - - .stack (NOLOAD) : { *(.stack) } - - /* PROM CODE */ - - /* global data in RAM passed to kernel after booting */ - - - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - -} diff --git a/arch/sparc/include/asm/arch-leon2/asi.h b/arch/sparc/include/asm/arch-leon2/asi.h deleted file mode 100644 index 045bd77..0000000 --- a/arch/sparc/include/asm/arch-leon2/asi.h +++ /dev/null @@ -1,19 +0,0 @@ -/* asi.h: Address Space Identifier values for the LEON2 sparc. - * - * Copyright (C) 2008 Daniel Hellstrom (daniel@gaisler.com) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _LEON2_ASI_H -#define _LEON2_ASI_H - -#define ASI_CACHEMISS 0x01 /* Force D-Cache miss on load (lda) */ -#define ASI_M_FLUSH_PROBE 0x03 /* MMU Flush/Probe */ -#define ASI_IFLUSH 0x05 /* Flush I-Cache */ -#define ASI_DFLUSH 0x06 /* Flush D-Cache */ -#define ASI_BYPASS 0x1c /* Bypass MMU (Physical address) */ -#define ASI_MMUFLUSH 0x18 /* FLUSH TLB */ -#define ASI_M_MMUREGS 0x19 /* READ/Write MMU Registers */ - -#endif /* _LEON2_ASI_H */ diff --git a/arch/sparc/include/asm/arch-leon3/asi.h b/arch/sparc/include/asm/arch-leon3/asi.h deleted file mode 100644 index 61ffcc4..0000000 --- a/arch/sparc/include/asm/arch-leon3/asi.h +++ /dev/null @@ -1,19 +0,0 @@ -/* asi.h: Address Space Identifier values for the LEON3 sparc. - * - * Copyright (C) 2008 Daniel Hellstrom (daniel@gaisler.com) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _LEON3_ASI_H -#define _LEON3_ASI_H - -#define ASI_CACHEMISS 0x01 /* Force D-Cache miss on load (lda) */ -#define ASI_M_FLUSH_PROBE 0x03 /* MMU Flush/Probe */ -#define ASI_IFLUSH 0x10 /* Flush I-Cache */ -#define ASI_DFLUSH 0x11 /* Flush D-Cache */ -#define ASI_BYPASS 0x1c /* Bypass MMU (Physical address) */ -#define ASI_MMUFLUSH 0x18 /* FLUSH TLB */ -#define ASI_M_MMUREGS 0x19 /* READ/Write MMU Registers */ - -#endif /* _LEON3_ASI_H */ diff --git a/arch/sparc/include/asm/asi.h b/arch/sparc/include/asm/asi.h deleted file mode 100644 index 16942f4..0000000 --- a/arch/sparc/include/asm/asi.h +++ /dev/null @@ -1,15 +0,0 @@ -/* Address Space Identifier (ASI) values for sparc processors. - * - * (C) Copyright 2008 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _SPARC_ASI_H -#define _SPARC_ASI_H - -/* ASI numbers are processor implementation specific */ -#include <asm/arch/asi.h> - -#endif /* _SPARC_ASI_H */ diff --git a/arch/sparc/include/asm/asmmacro.h b/arch/sparc/include/asm/asmmacro.h deleted file mode 100644 index 653f2e4..0000000 --- a/arch/sparc/include/asm/asmmacro.h +++ /dev/null @@ -1,28 +0,0 @@ -/* Assembler macros for SPARC - * - * (C) Copyright 2007, taken from linux asm-sparc/asmmacro.h - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_ASMMACRO_H__ -#define __SPARC_ASMMACRO_H__ - -#include <config.h> - -/* All trap entry points _must_ begin with this macro or else you - * lose. It makes sure the kernel has a proper window so that - * c-code can be called. - */ -#define SAVE_ALL_HEAD \ - sethi %hi(trap_setup+(CONFIG_SYS_RELOC_MONITOR_BASE-CONFIG_SYS_TEXT_BASE)), %l4; \ - jmpl %l4 + %lo(trap_setup+(CONFIG_SYS_RELOC_MONITOR_BASE-CONFIG_SYS_TEXT_BASE)), %l6; -#define SAVE_ALL \ - SAVE_ALL_HEAD \ - nop; - -/* All traps low-level code here must end with this macro. */ -#define RESTORE_ALL b ret_trap_entry; clr %l6; - -#endif diff --git a/arch/sparc/include/asm/atomic.h b/arch/sparc/include/asm/atomic.h deleted file mode 100644 index 35236d0..0000000 --- a/arch/sparc/include/asm/atomic.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPARC atomic operations - * - * (C) Copyright 2008 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _ASM_SPARC_ATOMIC_H_ -#define _ASM_SPARC_ATOMIC_H_ - -#endif /* _ASM_SPARC_ATOMIC_H_ */ diff --git a/arch/sparc/include/asm/bitops.h b/arch/sparc/include/asm/bitops.h deleted file mode 100644 index c66f730..0000000 --- a/arch/sparc/include/asm/bitops.h +++ /dev/null @@ -1,17 +0,0 @@ -/* Bit string operations on the SPARC - * - * (C) Copyright 2007, taken from asm-ppc/bitops.h - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _SPARC_BITOPS_H -#define _SPARC_BITOPS_H - -#include <asm-generic/bitops/fls.h> -#include <asm-generic/bitops/__fls.h> -#include <asm-generic/bitops/fls64.h> -#include <asm-generic/bitops/__ffs.h> - -#endif /* _SPARC_BITOPS_H */ diff --git a/arch/sparc/include/asm/byteorder.h b/arch/sparc/include/asm/byteorder.h deleted file mode 100644 index bdc5e63..0000000 --- a/arch/sparc/include/asm/byteorder.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2008 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _SPARC_BYTEORDER_H -#define _SPARC_BYTEORDER_H - -#include <asm/types.h> - -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) -#define __BYTEORDER_HAS_U64__ -#define __SWAB_64_THRU_32__ -#endif -#include <linux/byteorder/big_endian.h> -#endif /* _SPARC_BYTEORDER_H */ diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h deleted file mode 100644 index d9671d1..0000000 --- a/arch/sparc/include/asm/cache.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * (C) Copyright 2008, - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_CACHE_H__ -#define __SPARC_CACHE_H__ - -#include <asm/processor.h> - -/* - * If CONFIG_SYS_CACHELINE_SIZE is defined use it for DMA alignment. Otherwise - * use 32-bytes, the cacheline size for Sparc. - */ -#ifdef CONFIG_SYS_CACHELINE_SIZE -#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE -#else -#define ARCH_DMA_MINALIGN 32 -#endif - -#endif diff --git a/arch/sparc/include/asm/config.h b/arch/sparc/include/asm/config.h deleted file mode 100644 index 455fbc1..0000000 --- a/arch/sparc/include/asm/config.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * Copyright 2015, - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _ASM_CONFIG_H_ -#define _ASM_CONFIG_H_ - -#define CONFIG_SYS_GENERIC_GLOBAL_DATA -#define CONFIG_NEEDS_MANUAL_RELOC - -#define CONFIG_LMB -#define CONFIG_SYS_BOOT_RAMDISK_HIGH - -#define CONFIG_SYS_TIMER_RATE 1000000 /* 1MHz */ -#define CONFIG_SYS_TIMER_COUNTER gd->arch.timer -#define CONFIG_SYS_TIMER_COUNTS_DOWN - -#endif diff --git a/arch/sparc/include/asm/global_data.h b/arch/sparc/include/asm/global_data.h deleted file mode 100644 index af38d17..0000000 --- a/arch/sparc/include/asm/global_data.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * (C) Copyright 2002-2010 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2007, 2015 - * Daniel Hellstrom, Cobham, Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_GBL_DATA_H -#define __ASM_GBL_DATA_H - -#include "asm/types.h" - -/* Architecture-specific global data */ -struct arch_global_data { - void *timer; - void *uart; - unsigned int uart_freq; -#ifdef CONFIG_LEON3 - unsigned int snooping_available; -#endif -}; - -#include <asm-generic/global_data.h> - -#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("%g7") - -#endif /* __ASM_GBL_DATA_H */ diff --git a/arch/sparc/include/asm/io.h b/arch/sparc/include/asm/io.h deleted file mode 100644 index a317d13..0000000 --- a/arch/sparc/include/asm/io.h +++ /dev/null @@ -1,96 +0,0 @@ -/* SPARC I/O definitions - * - * (C) Copyright 2007, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _SPARC_IO_H -#define _SPARC_IO_H - -/* Nothing to sync, total store ordering (TSO)... */ -#define sync() - -/* - * Generic virtual read/write. - */ - -#ifndef CONFIG_SYS_HAS_NO_CACHE - -/* Forces a cache miss on read/load. - * On some architectures we need to bypass the cache when reading - * I/O registers so that we are not reading the same status word - * over and over again resulting in a hang (until an IRQ if lucky) - */ - -#define __arch_getb(a) SPARC_NOCACHE_READ_BYTE((unsigned int)(a)) -#define __arch_getw(a) SPARC_NOCACHE_READ_HWORD((unsigned int)(a)) -#define __arch_getl(a) SPARC_NOCACHE_READ((unsigned int)(a)) -#define __arch_getq(a) SPARC_NOCACHE_READ_DWORD((unsigned int)(a)) - -#else - -#define __arch_getb(a) (*(volatile unsigned char *)(a)) -#define __arch_getw(a) (*(volatile unsigned short *)(a)) -#define __arch_getl(a) (*(volatile unsigned int *)(a)) -#define __arch_getq(a) (*(volatile unsigned long long *)(a)) - -#endif /* CONFIG_SYS_HAS_NO_CACHE */ - -#define __arch_putb(v, a) (*(volatile unsigned char *)(a) = (v)) -#define __arch_putw(v, a) (*(volatile unsigned short *)(a) = (v)) -#define __arch_putl(v, a) (*(volatile unsigned int *)(a) = (v)) -#define __arch_putq(v, a) (*(volatile unsigned long long *)(a) = (v)) - -#define __raw_writeb(v, a) __arch_putb(v, a) -#define __raw_writew(v, a) __arch_putw(v, a) -#define __raw_writel(v, a) __arch_putl(v, a) -#define __raw_writeq(v, a) __arch_putq(v, a) - -#define __raw_readb(a) __arch_getb(a) -#define __raw_readw(a) __arch_getw(a) -#define __raw_readl(a) __arch_getl(a) -#define __raw_readq(a) __arch_getq(a) - -#define writeb __raw_writeb -#define writew __raw_writew -#define writel __raw_writel -#define writeq __raw_writeq - -#define readb __raw_readb -#define readw __raw_readw -#define readl __raw_readl -#define readq __raw_readq - -/* - * Given a physical address and a length, return a virtual address - * that can be used to access the memory range with the caching - * properties specified by "flags". - */ - -#define MAP_NOCACHE (0) -#define MAP_WRCOMBINE (0) -#define MAP_WRBACK (0) -#define MAP_WRTHROUGH (0) - -static inline void *map_physmem(phys_addr_t paddr, unsigned long len, - unsigned long flags) -{ - return (void *)paddr; -} - -/* - * Take down a mapping set up by map_physmem(). - */ -static inline void unmap_physmem(void *vaddr, unsigned long flags) -{ - -} - -static inline phys_addr_t virt_to_phys(void * vaddr) -{ - return (phys_addr_t)(vaddr); -} - -#endif diff --git a/arch/sparc/include/asm/irq.h b/arch/sparc/include/asm/irq.h deleted file mode 100644 index 5d0f756..0000000 --- a/arch/sparc/include/asm/irq.h +++ /dev/null @@ -1,38 +0,0 @@ -/* IRQ functions - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_IRQ_H__ -#define __SPARC_IRQ_H__ - -#include <asm/psr.h> - -/* Set SPARC Processor Interrupt Level */ -static inline void set_pil(unsigned int level) -{ - unsigned int psr = get_psr(); - - put_psr((psr & ~PSR_PIL) | ((level & 0xf) << PSR_PIL_OFS)); -} - -/* Get SPARC Processor Interrupt Level */ -static inline unsigned int get_pil(void) -{ - unsigned int psr = get_psr(); - return (psr & PSR_PIL) >> PSR_PIL_OFS; -} - -/* Disables interrupts and return current PIL value */ -extern int intLock(void); - -/* Sets the PIL to oldLevel */ -extern void intUnlock(int oldLevel); - -/* Return non-zero if interrupts are currently enabled */ -extern int interrupt_is_enabled(void); - -#endif diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h deleted file mode 100644 index cc7c7f3..0000000 --- a/arch/sparc/include/asm/leon.h +++ /dev/null @@ -1,28 +0,0 @@ -/* LEON Header File select - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_LEON_H__ -#define __ASM_LEON_H__ - -#if defined(CONFIG_LEON3) - -#include <asm/leon3.h> - -#elif defined(CONFIG_LEON2) - -#include <asm/leon2.h> - -#else - -#error Unknown LEON processor - -#endif - -/* Common stuff */ - -#endif diff --git a/arch/sparc/include/asm/leon2.h b/arch/sparc/include/asm/leon2.h deleted file mode 100644 index ffac0de..0000000 --- a/arch/sparc/include/asm/leon2.h +++ /dev/null @@ -1,222 +0,0 @@ -/* LEON2 header file. LEON2 is a SOC processor. - * - * (C) Copyright 2008 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __LEON2_H__ -#define __LEON2_H__ - -#ifdef CONFIG_LEON2 - -/* LEON 2 I/O register definitions */ -#define LEON2_PREGS 0x80000000 -#define LEON2_MCFG1 0x00 -#define LEON2_MCFG2 0x04 -#define LEON2_ECTRL 0x08 -#define LEON2_FADDR 0x0C -#define LEON2_MSTAT 0x10 -#define LEON2_CCTRL 0x14 -#define LEON2_PWDOWN 0x18 -#define LEON2_WPROT1 0x1C -#define LEON2_WPROT2 0x20 -#define LEON2_LCONF 0x24 -#define LEON2_TCNT0 0x40 -#define LEON2_TRLD0 0x44 -#define LEON2_TCTRL0 0x48 -#define LEON2_TCNT1 0x50 -#define LEON2_TRLD1 0x54 -#define LEON2_TCTRL1 0x58 -#define LEON2_SCNT 0x60 -#define LEON2_SRLD 0x64 -#define LEON2_UART0 0x70 -#define LEON2_UDATA0 0x70 -#define LEON2_USTAT0 0x74 -#define LEON2_UCTRL0 0x78 -#define LEON2_USCAL0 0x7C -#define LEON2_UART1 0x80 -#define LEON2_UDATA1 0x80 -#define LEON2_USTAT1 0x84 -#define LEON2_UCTRL1 0x88 -#define LEON2_USCAL1 0x8C -#define LEON2_IMASK 0x90 -#define LEON2_IPEND 0x94 -#define LEON2_IFORCE 0x98 -#define LEON2_ICLEAR 0x9C -#define LEON2_IOREG 0xA0 -#define LEON2_IODIR 0xA4 -#define LEON2_IOICONF 0xA8 -#define LEON2_IPEND2 0xB0 -#define LEON2_IMASK2 0xB4 -#define LEON2_ISTAT2 0xB8 -#define LEON2_ICLEAR2 0xBC - -#ifndef __ASSEMBLER__ -/* - * Structure for LEON memory mapped registers. - * - * Source: Section 6.1 - On-chip registers - * - * NOTE: There is only one of these structures per CPU, its base address - * is 0x80000000, and the variable LEON_REG is placed there by the - * linkcmds file. - */ -typedef struct { - volatile unsigned int Memory_Config_1; - volatile unsigned int Memory_Config_2; - volatile unsigned int Edac_Control; - volatile unsigned int Failed_Address; - volatile unsigned int Memory_Status; - volatile unsigned int Cache_Control; - volatile unsigned int Power_Down; - volatile unsigned int Write_Protection_1; - volatile unsigned int Write_Protection_2; - volatile unsigned int Leon_Configuration; - volatile unsigned int dummy2; - volatile unsigned int dummy3; - volatile unsigned int dummy4; - volatile unsigned int dummy5; - volatile unsigned int dummy6; - volatile unsigned int dummy7; - volatile unsigned int Timer_Counter_1; - volatile unsigned int Timer_Reload_1; - volatile unsigned int Timer_Control_1; - volatile unsigned int Watchdog; - volatile unsigned int Timer_Counter_2; - volatile unsigned int Timer_Reload_2; - volatile unsigned int Timer_Control_2; - volatile unsigned int dummy8; - volatile unsigned int Scaler_Counter; - volatile unsigned int Scaler_Reload; - volatile unsigned int dummy9; - volatile unsigned int dummy10; - volatile unsigned int UART_Channel_1; - volatile unsigned int UART_Status_1; - volatile unsigned int UART_Control_1; - volatile unsigned int UART_Scaler_1; - volatile unsigned int UART_Channel_2; - volatile unsigned int UART_Status_2; - volatile unsigned int UART_Control_2; - volatile unsigned int UART_Scaler_2; - volatile unsigned int Interrupt_Mask; - volatile unsigned int Interrupt_Pending; - volatile unsigned int Interrupt_Force; - volatile unsigned int Interrupt_Clear; - volatile unsigned int PIO_Data; - volatile unsigned int PIO_Direction; - volatile unsigned int PIO_Interrupt; -} LEON2_regs; - -typedef struct { - volatile unsigned int UART_Channel; - volatile unsigned int UART_Status; - volatile unsigned int UART_Control; - volatile unsigned int UART_Scaler; -} LEON2_Uart_regs; - -#endif - -/* - * The following constants are intended to be used ONLY in assembly - * language files. - * - * NOTE: The intended style of usage is to load the address of LEON REGS - * into a register and then use these as displacements from - * that register. - */ -#define LEON_REG_MEMCFG1_OFFSET 0x00 -#define LEON_REG_MEMCFG2_OFFSET 0x04 -#define LEON_REG_EDACCTRL_OFFSET 0x08 -#define LEON_REG_FAILADDR_OFFSET 0x0C -#define LEON_REG_MEMSTATUS_OFFSET 0x10 -#define LEON_REG_CACHECTRL_OFFSET 0x14 -#define LEON_REG_POWERDOWN_OFFSET 0x18 -#define LEON_REG_WRITEPROT1_OFFSET 0x1C -#define LEON_REG_WRITEPROT2_OFFSET 0x20 -#define LEON_REG_LEONCONF_OFFSET 0x24 -#define LEON_REG_UNIMPLEMENTED_2_OFFSET 0x28 -#define LEON_REG_UNIMPLEMENTED_3_OFFSET 0x2C -#define LEON_REG_UNIMPLEMENTED_4_OFFSET 0x30 -#define LEON_REG_UNIMPLEMENTED_5_OFFSET 0x34 -#define LEON_REG_UNIMPLEMENTED_6_OFFSET 0x38 -#define LEON_REG_UNIMPLEMENTED_7_OFFSET 0x3C -#define LEON_REG_TIMERCNT1_OFFSET 0x40 -#define LEON_REG_TIMERLOAD1_OFFSET 0x44 -#define LEON_REG_TIMERCTRL1_OFFSET 0x48 -#define LEON_REG_WDOG_OFFSET 0x4C -#define LEON_REG_TIMERCNT2_OFFSET 0x50 -#define LEON_REG_TIMERLOAD2_OFFSET 0x54 -#define LEON_REG_TIMERCTRL2_OFFSET 0x58 -#define LEON_REG_UNIMPLEMENTED_8_OFFSET 0x5C -#define LEON_REG_SCALERCNT_OFFSET 0x60 -#define LEON_REG_SCALER_LOAD_OFFSET 0x64 -#define LEON_REG_UNIMPLEMENTED_9_OFFSET 0x68 -#define LEON_REG_UNIMPLEMENTED_10_OFFSET 0x6C -#define LEON_REG_UARTDATA1_OFFSET 0x70 -#define LEON_REG_UARTSTATUS1_OFFSET 0x74 -#define LEON_REG_UARTCTRL1_OFFSET 0x78 -#define LEON_REG_UARTSCALER1_OFFSET 0x7C -#define LEON_REG_UARTDATA2_OFFSET 0x80 -#define LEON_REG_UARTSTATUS2_OFFSET 0x84 -#define LEON_REG_UARTCTRL2_OFFSET 0x88 -#define LEON_REG_UARTSCALER2_OFFSET 0x8C -#define LEON_REG_IRQMASK_OFFSET 0x90 -#define LEON_REG_IRQPEND_OFFSET 0x94 -#define LEON_REG_IRQFORCE_OFFSET 0x98 -#define LEON_REG_IRQCLEAR_OFFSET 0x9C -#define LEON_REG_PIODATA_OFFSET 0xA0 -#define LEON_REG_PIODIR_OFFSET 0xA4 -#define LEON_REG_PIOIRQ_OFFSET 0xA8 -#define LEON_REG_SIM_RAM_SIZE_OFFSET 0xF4 -#define LEON_REG_SIM_ROM_SIZE_OFFSET 0xF8 - -/* - * Interrupt Sources - * - * The interrupt source numbers directly map to the trap type and to - * the bits used in the Interrupt Clear, Interrupt Force, Interrupt Mask, - * and the Interrupt Pending Registers. - */ -#define LEON_INTERRUPT_CORRECTABLE_MEMORY_ERROR 1 -#define LEON_INTERRUPT_UART_1_RX_TX 2 -#define LEON_INTERRUPT_UART_0_RX_TX 3 -#define LEON_INTERRUPT_EXTERNAL_0 4 -#define LEON_INTERRUPT_EXTERNAL_1 5 -#define LEON_INTERRUPT_EXTERNAL_2 6 -#define LEON_INTERRUPT_EXTERNAL_3 7 -#define LEON_INTERRUPT_TIMER1 8 -#define LEON_INTERRUPT_TIMER2 9 -#define LEON_INTERRUPT_EMPTY1 10 -#define LEON_INTERRUPT_EMPTY2 11 -#define LEON_INTERRUPT_OPEN_ETH 12 -#define LEON_INTERRUPT_EMPTY4 13 -#define LEON_INTERRUPT_EMPTY5 14 -#define LEON_INTERRUPT_EMPTY6 15 - -/* Timer Bits */ -#define LEON2_TIMER_CTRL_EN 0x1 /* Timer enable */ -#define LEON2_TIMER_CTRL_RS 0x2 /* Timer reStart */ -#define LEON2_TIMER_CTRL_LD 0x4 /* Timer reLoad */ -#define LEON2_TIMER1_IRQNO 8 /* Timer 1 IRQ number */ -#define LEON2_TIMER2_IRQNO 9 /* Timer 2 IRQ number */ -#define LEON2_TIMER1_IE (1<<LEON2_TIMER1_IRQNO) /* Timer 1 interrupt enable */ -#define LEON2_TIMER2_IE (1<<LEON2_TIMER2_IRQNO) /* Timer 2 interrupt enable */ - -/* UART bits */ -#define LEON2_UART_CTRL_RE 1 /* UART Receiver enable */ -#define LEON2_UART_CTRL_TE 2 /* UART Transmitter enable */ -#define LEON2_UART_CTRL_RI 4 /* UART Receiver Interrupt enable */ -#define LEON2_UART_CTRL_TI 8 /* UART Transmitter Interrupt enable */ -#define LEON2_UART_CTRL_DBG (1<<11) /* Debug Bit used by GRMON */ - -#define LEON2_UART_STAT_DR 1 /* UART Data Ready */ -#define LEON2_UART_STAT_TSE 2 /* UART Transmit Shift Reg empty */ -#define LEON2_UART_STAT_THE 4 /* UART Transmit Hold Reg empty */ - -#else -#error Include LEON2 header file only if LEON2 processor -#endif - -#endif diff --git a/arch/sparc/include/asm/leon3.h b/arch/sparc/include/asm/leon3.h deleted file mode 100644 index a9f32b9..0000000 --- a/arch/sparc/include/asm/leon3.h +++ /dev/null @@ -1,35 +0,0 @@ -/* LEON3 header file. LEON3 is a free GPL SOC processor available - * at www.gaisler.com. - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __LEON3_H__ -#define __LEON3_H__ - -#ifndef CONFIG_LEON3 -#error Include LEON3 header file only if LEON3 processor -#endif - -/* Not much to define, most is Plug and Play and GRLIB dependent - * not LEON3 dependent. See <ambapp.h> for GRLIB timers, interrupt - * ctrl, memory controllers etc. - */ - - -#ifndef __ASSEMBLER__ -/* The frequency of the CPU */ -extern unsigned int leon_cpu_freq; - -/* Number of LEON processors in system */ -extern int leon_cpu_cnt; - -/* Ver/subversion of CPU */ -extern int leon_ver; - -#endif /* __ASSEMBLER__ */ - -#endif diff --git a/arch/sparc/include/asm/linkage.h b/arch/sparc/include/asm/linkage.h deleted file mode 100644 index e69de29..0000000 --- a/arch/sparc/include/asm/linkage.h +++ /dev/null diff --git a/arch/sparc/include/asm/machines.h b/arch/sparc/include/asm/machines.h deleted file mode 100644 index e209f3f..0000000 --- a/arch/sparc/include/asm/machines.h +++ /dev/null @@ -1,78 +0,0 @@ -/* machines.h: Defines for taking apart the machine type value in the - * idprom and determining the kind of machine we are on. - * - * Taken from the SPARC port of Linux. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_MACHINES_H__ -#define __SPARC_MACHINES_H__ - -struct Sun_Machine_Models { - char *name; - unsigned char id_machtype; -}; - -/* Current number of machines we know about that has an IDPROM - * machtype entry including one entry for the 0x80 OBP machines. - */ -#define NUM_SUN_MACHINES 16 - -extern struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES]; - -/* The machine type in the idprom area looks like this: - * - * --------------- - * | ARCH | MACH | - * --------------- - * 7 4 3 0 - * - * The ARCH field determines the architecture line (sun4, sun4c, etc). - * The MACH field determines the machine make within that architecture. - */ - -#define SM_ARCH_MASK 0xf0 -#define SM_SUN4 0x20 -#define M_LEON2 0x30 -#define SM_SUN4C 0x50 -#define SM_SUN4M 0x70 -#define SM_SUN4M_OBP 0x80 - -#define SM_TYP_MASK 0x0f -/* Sun4 machines */ -#define SM_4_260 0x01 /* Sun 4/200 series */ -#define SM_4_110 0x02 /* Sun 4/100 series */ -#define SM_4_330 0x03 /* Sun 4/300 series */ -#define SM_4_470 0x04 /* Sun 4/400 series */ - -/* Leon machines */ -#define M_LEON2_SOC 0x01 /* Leon2 SoC */ - -/* Sun4c machines Full Name - PROM NAME */ -#define SM_4C_SS1 0x01 /* Sun4c SparcStation 1 - Sun 4/60 */ -#define SM_4C_IPC 0x02 /* Sun4c SparcStation IPC - Sun 4/40 */ -#define SM_4C_SS1PLUS 0x03 /* Sun4c SparcStation 1+ - Sun 4/65 */ -#define SM_4C_SLC 0x04 /* Sun4c SparcStation SLC - Sun 4/20 */ -#define SM_4C_SS2 0x05 /* Sun4c SparcStation 2 - Sun 4/75 */ -#define SM_4C_ELC 0x06 /* Sun4c SparcStation ELC - Sun 4/25 */ -#define SM_4C_IPX 0x07 /* Sun4c SparcStation IPX - Sun 4/50 */ - -/* Sun4m machines, these predate the OpenBoot. These values only mean - * something if the value in the ARCH field is SM_SUN4M, if it is - * SM_SUN4M_OBP then you have the following situation: - * 1) You either have a sun4d, a sun4e, or a recently made sun4m. - * 2) You have to consult OpenBoot to determine which machine this is. - */ -#define SM_4M_SS60 0x01 /* Sun4m SparcSystem 600 */ -#define SM_4M_SS50 0x02 /* Sun4m SparcStation 10 */ -#define SM_4M_SS40 0x03 /* Sun4m SparcStation 5 */ - -/* Sun4d machines -- N/A */ -/* Sun4e machines -- N/A */ -/* Sun4u machines -- N/A */ - -#endif /* !(_SPARC_MACHINES_H) */ diff --git a/arch/sparc/include/asm/page.h b/arch/sparc/include/asm/page.h deleted file mode 100644 index 181d1c1..0000000 --- a/arch/sparc/include/asm/page.h +++ /dev/null @@ -1,28 +0,0 @@ -/* page.h: Various defines and such for MMU operations on the Sparc for - * the Linux kernel. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _SPARC_PAGE_H -#define _SPARC_PAGE_H - -#ifdef CONFIG_SUN4 -#define PAGE_SHIFT 13 -#else -#define PAGE_SHIFT 12 -#endif - -#ifndef __ASSEMBLY__ -/* I have my suspicions... -DaveM */ -#define PAGE_SIZE (1UL << PAGE_SHIFT) -#else -#define PAGE_SIZE (1 << PAGE_SHIFT) -#endif - -#define PAGE_MASK (~(PAGE_SIZE-1)) - -#endif /* _SPARC_PAGE_H */ diff --git a/arch/sparc/include/asm/posix_types.h b/arch/sparc/include/asm/posix_types.h deleted file mode 100644 index 61d3bbc..0000000 --- a/arch/sparc/include/asm/posix_types.h +++ /dev/null @@ -1,125 +0,0 @@ -/* - * (C) Copyright 2000 - 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2007, taken from asm-ppc/posix_types.h - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_POSIX_TYPES_H__ -#define __SPARC_POSIX_TYPES_H__ - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned int __kernel_dev_t; -typedef unsigned int __kernel_ino_t; -typedef unsigned int __kernel_mode_t; -typedef unsigned short __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef unsigned int __kernel_size_t; -typedef int __kernel_ssize_t; -typedef long __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_daddr_t; -typedef char *__kernel_caddr_t; -typedef short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned int __kernel_old_uid_t; -typedef unsigned int __kernel_old_gid_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#ifndef __GNUC__ - -#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) -#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) -#define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) -#define __FD_ZERO(set) \ - ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set))) - -#else /* __GNUC__ */ - -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \ - || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0) -/* With GNU C, use inline functions instead so args are evaluated only once: */ - -#undef __FD_SET -static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set * fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] |= (1UL << _rem); -} - -#undef __FD_CLR -static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set * fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] &= ~(1UL << _rem); -} - -#undef __FD_ISSET -static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set * p) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - return (p->fds_bits[_tmp] & (1UL << _rem)) != 0; -} - -/* - * This will unroll the loop for the normal constant case (8 ints, - * for a 256-bit fd_set) - */ -#undef __FD_ZERO -static __inline__ void __FD_ZERO(__kernel_fd_set * p) -{ - unsigned int *tmp = (unsigned int *)p->fds_bits; - int i; - - if (__builtin_constant_p(__FDSET_LONGS)) { - switch (__FDSET_LONGS) { - case 8: - tmp[0] = 0; - tmp[1] = 0; - tmp[2] = 0; - tmp[3] = 0; - tmp[4] = 0; - tmp[5] = 0; - tmp[6] = 0; - tmp[7] = 0; - return; - } - } - i = __FDSET_LONGS; - while (i) { - i--; - *tmp = 0; - tmp++; - } -} - -#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ -#endif /* __GNUC__ */ -#endif /* _SPARC_POSIX_TYPES_H */ diff --git a/arch/sparc/include/asm/processor.h b/arch/sparc/include/asm/processor.h deleted file mode 100644 index 9a6535d..0000000 --- a/arch/sparc/include/asm/processor.h +++ /dev/null @@ -1,102 +0,0 @@ -/* SPARC Processor specifics - * taken from the SPARC port of Linux (ptrace.h). - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_SPARC_PROCESSOR_H -#define __ASM_SPARC_PROCESSOR_H - -#include <asm/arch/asi.h> - -#ifdef CONFIG_LEON - -/* All LEON processors supported */ -#include <asm/leon.h> - -#else -/* other processors */ -#error Unknown SPARC Processor -#endif - -#ifndef __ASSEMBLY__ - -/* flush data cache */ -static __inline__ void sparc_dcache_flush_all(void) -{ - __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_DFLUSH):"memory"); -} - -/* flush instruction cache */ -static __inline__ void sparc_icache_flush_all(void) -{ - __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_IFLUSH):"memory"); -} - -/* do a cache miss load */ -static __inline__ unsigned long long sparc_load_reg_cachemiss_qword(unsigned - long paddr) -{ - unsigned long long retval; - __asm__ __volatile__("ldda [%1] %2, %0\n\t": - "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); - return retval; -} - -static __inline__ unsigned long sparc_load_reg_cachemiss(unsigned long paddr) -{ - unsigned long retval; - __asm__ __volatile__("lda [%1] %2, %0\n\t": - "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); - return retval; -} - -static __inline__ unsigned short sparc_load_reg_cachemiss_word(unsigned long - paddr) -{ - unsigned short retval; - __asm__ __volatile__("lduha [%1] %2, %0\n\t": - "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); - return retval; -} - -static __inline__ unsigned char sparc_load_reg_cachemiss_byte(unsigned long - paddr) -{ - unsigned char retval; - __asm__ __volatile__("lduba [%1] %2, %0\n\t": - "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); - return retval; -} - -/* do a physical address bypass write, i.e. for 0x80000000 */ -static __inline__ void sparc_store_reg_bypass(unsigned long paddr, - unsigned long value) -{ - __asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(value), "r"(paddr), - "i"(ASI_BYPASS):"memory"); -} - -static __inline__ unsigned long sparc_load_reg_bypass(unsigned long paddr) -{ - unsigned long retval; - __asm__ __volatile__("lda [%1] %2, %0\n\t": - "=r"(retval):"r"(paddr), "i"(ASI_BYPASS)); - return retval; -} - -/* Macros for bypassing cache when reading */ -#define SPARC_NOCACHE_READ_DWORD(address) sparc_load_reg_cachemiss_qword((unsigned int)(address)) -#define SPARC_NOCACHE_READ(address) sparc_load_reg_cachemiss((unsigned int)(address)) -#define SPARC_NOCACHE_READ_HWORD(address) sparc_load_reg_cachemiss_word((unsigned int)(address)) -#define SPARC_NOCACHE_READ_BYTE(address) sparc_load_reg_cachemiss_byte((unsigned int)(address)) - -#define SPARC_BYPASS_READ(address) sparc_load_reg_bypass((unsigned int)(address)) -#define SPARC_BYPASS_WRITE(address,value) sparc_store_reg_bypass((unsigned int)(address),(unsigned int)(value)) - -#endif - -#endif /* __ASM_SPARC_PROCESSOR_H */ diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h deleted file mode 100644 index 8906ef6..0000000 --- a/arch/sparc/include/asm/prom.h +++ /dev/null @@ -1,283 +0,0 @@ -/* OpenProm defines mainly taken from linux kernel header files - * - * openprom.h: Prom structures and defines for access to the OPENBOOT - * prom routines and data areas. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_OPENPROM_H__ -#define __SPARC_OPENPROM_H__ - -/* Empirical constants... */ -#define LINUX_OPPROM_MAGIC 0x10010407 - -#ifndef __ASSEMBLY__ -/* V0 prom device operations. */ -struct linux_dev_v0_funcs { - int (*v0_devopen) (char *device_str); - int (*v0_devclose) (int dev_desc); - int (*v0_rdblkdev) (int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrblkdev) (int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrnetdev) (int dev_desc, int num_bytes, char *buf); - int (*v0_rdnetdev) (int dev_desc, int num_bytes, char *buf); - int (*v0_rdchardev) (int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_wrchardev) (int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_seekdev) (int dev_desc, long logical_offst, int from); -}; - -/* V2 and later prom device operations. */ -struct linux_dev_v2_funcs { - int (*v2_inst2pkg) (int d); /* Convert ihandle to phandle */ - char *(*v2_dumb_mem_alloc) (char *va, unsigned sz); - void (*v2_dumb_mem_free) (char *va, unsigned sz); - - /* To map devices into virtual I/O space. */ - char *(*v2_dumb_mmap) (char *virta, int which_io, unsigned paddr, - unsigned sz); - void (*v2_dumb_munmap) (char *virta, unsigned size); - - int (*v2_dev_open) (char *devpath); - void (*v2_dev_close) (int d); - int (*v2_dev_read) (int d, char *buf, int nbytes); - int (*v2_dev_write) (int d, char *buf, int nbytes); - int (*v2_dev_seek) (int d, int hi, int lo); - - /* Never issued (multistage load support) */ - void (*v2_wheee2) (void); - void (*v2_wheee3) (void); -}; - -struct linux_mlist_v0 { - struct linux_mlist_v0 *theres_more; - char *start_adr; - unsigned num_bytes; -}; - -struct linux_mem_v0 { - struct linux_mlist_v0 **v0_totphys; - struct linux_mlist_v0 **v0_prommap; - struct linux_mlist_v0 **v0_available; /* What we can use */ -}; - -/* Arguments sent to the kernel from the boot prompt. */ -struct linux_arguments_v0 { - char * const argv[8]; - char args[100]; - char boot_dev[2]; - int boot_dev_ctrl; - int boot_dev_unit; - int dev_partition; - char *kernel_file_name; - void *aieee1; /* XXX */ -}; - -/* V2 and up boot things. */ -struct linux_bootargs_v2 { - char **bootpath; - char **bootargs; - int *fd_stdin; - int *fd_stdout; -}; - -/* The top level PROM vector. */ -struct linux_romvec { - /* Version numbers. */ - unsigned int pv_magic_cookie; - unsigned int pv_romvers; - unsigned int pv_plugin_revision; - unsigned int pv_printrev; - - /* Version 0 memory descriptors. */ - struct linux_mem_v0 pv_v0mem; - - /* Node operations. */ - struct linux_nodeops *pv_nodeops; - - char **pv_bootstr; - struct linux_dev_v0_funcs pv_v0devops; - - char *pv_stdin; - char *pv_stdout; -#define PROMDEV_KBD 0 /* input from keyboard */ -#define PROMDEV_SCREEN 0 /* output to screen */ -#define PROMDEV_TTYA 1 /* in/out to ttya */ -#define PROMDEV_TTYB 2 /* in/out to ttyb */ - - /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ - int (*pv_getchar) (void); - void (*pv_putchar) (int ch); - - /* Non-blocking variants. */ - int (*pv_nbgetchar) (void); - int (*pv_nbputchar) (int ch); - - void (*pv_putstr) (char *str, int len); - - /* Miscellany. */ - void (*pv_reboot) (char *bootstr); - void (*pv_printf) (__const__ char *fmt, ...); - void (*pv_abort) (void); - __volatile__ int *pv_ticks; - void (*pv_halt) (void); - void (**pv_synchook) (void); - - /* Evaluate a forth string, not different proto for V0 and V2->up. */ - union { - void (*v0_eval) (int len, char *str); - void (*v2_eval) (char *str); - } pv_fortheval; - - struct linux_arguments_v0 **pv_v0bootargs; - - /* Get ether address. */ - unsigned int (*pv_enaddr) (int d, char *enaddr); - - struct linux_bootargs_v2 pv_v2bootargs; - struct linux_dev_v2_funcs pv_v2devops; - - int filler[15]; - - /* This one is sun4c/sun4 only. */ - void (*pv_setctxt) (int ctxt, char *va, int pmeg); - - /* Prom version 3 Multiprocessor routines. This stuff is crazy. - * No joke. Calling these when there is only one cpu probably - * crashes the machine, have to test this. :-) - */ - - /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context - * 'thiscontext' executing at address 'prog_counter' - */ - int (*v3_cpustart) (unsigned int whichcpu, int ctxtbl_ptr, - int thiscontext, char *prog_counter); - - /* v3_cpustop() will cause cpu 'whichcpu' to stop executing - * until a resume cpu call is made. - */ - int (*v3_cpustop) (unsigned int whichcpu); - - /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or - * resume cpu call is made. - */ - int (*v3_cpuidle) (unsigned int whichcpu); - - /* v3_cpuresume() will resume processor 'whichcpu' executing - * starting with whatever 'pc' and 'npc' were left at the - * last 'idle' or 'stop' call. - */ - int (*v3_cpuresume) (unsigned int whichcpu); -}; - -/* Routines for traversing the prom device tree. */ -struct linux_nodeops { - int (*no_nextnode) (int node); - int (*no_child) (int node); - int (*no_proplen) (int node, char *name); - int (*no_getprop) (int node, char *name, char *val); - int (*no_setprop) (int node, char *name, char *val, int len); - char *(*no_nextprop) (int node, char *name); -}; - -/* More fun PROM structures for device probing. */ -#define PROMREG_MAX 16 -#define PROMVADDR_MAX 16 -#define PROMINTR_MAX 15 - -struct linux_prom_registers { - unsigned int which_io; /* is this in OBIO space? */ - unsigned int phys_addr; /* The physical address of this register */ - unsigned int reg_size; /* How many bytes does this register take up? */ -}; - -struct linux_prom_irqs { - int pri; /* IRQ priority */ - int vector; /* This is foobar, what does it do? */ -}; - -/* Element of the "ranges" vector */ -struct linux_prom_ranges { - unsigned int ot_child_space; - unsigned int ot_child_base; /* Bus feels this */ - unsigned int ot_parent_space; - unsigned int ot_parent_base; /* CPU looks from here */ - unsigned int or_size; -}; - -/* Ranges and reg properties are a bit different for PCI. */ -struct linux_prom_pci_registers { - /* - * We don't know what information this field contain. - * We guess, PCI device function is in bits 15:8 - * So, ... - */ - unsigned int which_io; /* Let it be which_io */ - - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_ranges { - unsigned int child_phys_hi; /* Only certain bits are encoded here. */ - unsigned int child_phys_mid; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_assigned_addresses { - unsigned int which_io; - - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_ebus_ranges { - unsigned int child_phys_hi; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_mid; - unsigned int parent_phys_lo; - - unsigned int size; -}; - -/* Offset into the EEPROM where the id PROM is located on the 4c */ -#define IDPROM_OFFSET 0x7d8 - -/* On sun4m; physical. */ -/* MicroSPARC(-II) does not decode 31rd bit, but it works. */ -#define IDPROM_OFFSET_M 0xfd8 - -struct idprom { - unsigned char id_format; /* Format identifier (always 0x01) */ - unsigned char id_machtype; /* Machine type */ - unsigned char id_ethaddr[6]; /* Hardware ethernet address */ - long id_date; /* Date of manufacture */ - unsigned int id_sernum:24; /* Unique serial number */ - unsigned char id_cksum; /* Checksum - xor of the data bytes */ - unsigned char reserved[16]; -}; - -extern struct idprom *idprom; -extern void idprom_init(void); - -#define IDPROM_SIZE (sizeof(struct idprom)) - -#endif /* !(__ASSEMBLY__) */ - -#endif diff --git a/arch/sparc/include/asm/psr.h b/arch/sparc/include/asm/psr.h deleted file mode 100644 index a91bdc9..0000000 --- a/arch/sparc/include/asm/psr.h +++ /dev/null @@ -1,83 +0,0 @@ -/* psr.h: This file holds the macros for masking off various parts of - * the processor status register on the Sparc. This is valid - * for Version 8. On the V9 this is renamed to the PSTATE - * register and its members are accessed as fields like - * PSTATE.PRIV for the current CPU privilege level. - * - * taken from the SPARC port of Linux, - * - * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_PSR_H__ -#define __SPARC_PSR_H__ - -/* The Sparc PSR fields are laid out as the following: - * - * ------------------------------------------------------------------------ - * | impl | vers | icc | resv | EC | EF | PIL | S | PS | ET | CWP | - * | 31-28 | 27-24 | 23-20 | 19-14 | 13 | 12 | 11-8 | 7 | 6 | 5 | 4-0 | - * ------------------------------------------------------------------------ - */ -#define PSR_CWP 0x0000001f /* current window pointer */ -#define PSR_ET 0x00000020 /* enable traps field */ -#define PSR_PS 0x00000040 /* previous privilege level */ -#define PSR_S 0x00000080 /* current privilege level */ -#define PSR_PIL 0x00000f00 /* processor interrupt level */ -#define PSR_EF 0x00001000 /* enable floating point */ -#define PSR_EC 0x00002000 /* enable co-processor */ -#define PSR_LE 0x00008000 /* SuperSparcII little-endian */ -#define PSR_ICC 0x00f00000 /* integer condition codes */ -#define PSR_C 0x00100000 /* carry bit */ -#define PSR_V 0x00200000 /* overflow bit */ -#define PSR_Z 0x00400000 /* zero bit */ -#define PSR_N 0x00800000 /* negative bit */ -#define PSR_VERS 0x0f000000 /* cpu-version field */ -#define PSR_IMPL 0xf0000000 /* cpu-implementation field */ - -#define PSR_PIL_OFS 8 - -#ifndef __ASSEMBLY__ -/* Get the %psr register. */ -static __inline__ unsigned int get_psr(void) -{ - unsigned int psr; - __asm__ __volatile__("rd %%psr, %0\n\t" - "nop\n\t" "nop\n\t" "nop\n\t":"=r"(psr) - : /* no inputs */ - :"memory"); - - return psr; -} - -static __inline__ void put_psr(unsigned int new_psr) -{ - __asm__ __volatile__("wr %0, 0x0, %%psr\n\t" "nop\n\t" "nop\n\t" "nop\n\t": /* no outputs */ - :"r"(new_psr) - :"memory", "cc"); -} - -/* Get the %fsr register. Be careful, make sure the floating point - * enable bit is set in the %psr when you execute this or you will - * incur a trap. - */ - -extern unsigned int fsr_storage; - -static __inline__ unsigned int get_fsr(void) -{ - unsigned int fsr = 0; - - __asm__ __volatile__("st %%fsr, %1\n\t" - "ld %1, %0\n\t":"=r"(fsr) - :"m"(fsr_storage)); - - return fsr; -} - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC_PSR_H__) */ diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h deleted file mode 100644 index 33cfbac..0000000 --- a/arch/sparc/include/asm/ptrace.h +++ /dev/null @@ -1,167 +0,0 @@ -/* Contain the Stack frame layout on interrupt. pt_regs. - * taken from the SPARC port of Linux (ptrace.h). - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_PTRACE_H__ -#define __SPARC_PTRACE_H__ - -#include <asm/psr.h> - -/* This struct defines the way the registers are stored on the - * stack during a system call and basically all traps. - */ - -#ifndef __ASSEMBLY__ - -struct pt_regs { - unsigned long psr; - unsigned long pc; - unsigned long npc; - unsigned long y; - unsigned long u_regs[16]; /* globals and ins */ -}; - -#define UREG_G0 0 -#define UREG_G1 1 -#define UREG_G2 2 -#define UREG_G3 3 -#define UREG_G4 4 -#define UREG_G5 5 -#define UREG_G6 6 -#define UREG_G7 7 -#define UREG_I0 8 -#define UREG_I1 9 -#define UREG_I2 10 -#define UREG_I3 11 -#define UREG_I4 12 -#define UREG_I5 13 -#define UREG_I6 14 -#define UREG_I7 15 -#define UREG_WIM UREG_G0 -#define UREG_FADDR UREG_G0 -#define UREG_FP UREG_I6 -#define UREG_RETPC UREG_I7 - -/* A register window */ -struct reg_window { - unsigned long locals[8]; - unsigned long ins[8]; -}; - -/* A Sparc stack frame */ -struct sparc_stackf { - unsigned long locals[8]; - unsigned long ins[6]; - struct sparc_stackf *fp; - unsigned long callers_pc; - char *structptr; - unsigned long xargs[6]; - unsigned long xxargs[1]; -}; - -#define TRACEREG_SZ sizeof(struct pt_regs) -#define STACKFRAME_SZ sizeof(struct sparc_stackf) - -#else /* __ASSEMBLY__ */ -/* For assembly code. */ -#define TRACEREG_SZ 0x50 -#define STACKFRAME_SZ 0x60 -#endif - -/* - * The asm_offsets.h is a generated file, so we cannot include it. - * It may be OK for glibc headers, but it's utterly pointless for C code. - * The assembly code using those offsets has to include it explicitly. - */ -/* #include <asm/asm_offsets.h> */ - -/* These are for pt_regs. */ -#define PT_PSR 0x0 -#define PT_PC 0x4 -#define PT_NPC 0x8 -#define PT_Y 0xc -#define PT_G0 0x10 -#define PT_WIM PT_G0 -#define PT_G1 0x14 -#define PT_G2 0x18 -#define PT_G3 0x1c -#define PT_G4 0x20 -#define PT_G5 0x24 -#define PT_G6 0x28 -#define PT_G7 0x2c -#define PT_I0 0x30 -#define PT_I1 0x34 -#define PT_I2 0x38 -#define PT_I3 0x3c -#define PT_I4 0x40 -#define PT_I5 0x44 -#define PT_I6 0x48 -#define PT_FP PT_I6 -#define PT_I7 0x4c - -/* Reg_window offsets */ -#define RW_L0 0x00 -#define RW_L1 0x04 -#define RW_L2 0x08 -#define RW_L3 0x0c -#define RW_L4 0x10 -#define RW_L5 0x14 -#define RW_L6 0x18 -#define RW_L7 0x1c -#define RW_I0 0x20 -#define RW_I1 0x24 -#define RW_I2 0x28 -#define RW_I3 0x2c -#define RW_I4 0x30 -#define RW_I5 0x34 -#define RW_I6 0x38 -#define RW_I7 0x3c - -/* Stack_frame offsets */ -#define SF_L0 0x00 -#define SF_L1 0x04 -#define SF_L2 0x08 -#define SF_L3 0x0c -#define SF_L4 0x10 -#define SF_L5 0x14 -#define SF_L6 0x18 -#define SF_L7 0x1c -#define SF_I0 0x20 -#define SF_I1 0x24 -#define SF_I2 0x28 -#define SF_I3 0x2c -#define SF_I4 0x30 -#define SF_I5 0x34 -#define SF_FP 0x38 -#define SF_PC 0x3c -#define SF_RETP 0x40 -#define SF_XARG0 0x44 -#define SF_XARG1 0x48 -#define SF_XARG2 0x4c -#define SF_XARG3 0x50 -#define SF_XARG4 0x54 -#define SF_XARG5 0x58 -#define SF_XXARG 0x5c - -/* Stuff for the ptrace system call */ -#define PTRACE_SUNATTACH 10 -#define PTRACE_SUNDETACH 11 -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_READDATA 16 -#define PTRACE_WRITEDATA 17 -#define PTRACE_READTEXT 18 -#define PTRACE_WRITETEXT 19 -#define PTRACE_GETFPAREGS 20 -#define PTRACE_SETFPAREGS 21 - -#define PTRACE_GETUCODE 29 /* stupid bsd-ism */ - -#endif /* !(_SPARC_PTRACE_H) */ diff --git a/arch/sparc/include/asm/sections.h b/arch/sparc/include/asm/sections.h deleted file mode 100644 index 65ad891..0000000 --- a/arch/sparc/include/asm/sections.h +++ /dev/null @@ -1,11 +0,0 @@ -/* - * Copyright (c) 2012 The Chromium OS Authors. - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_SPARC_SECTIONS_H -#define __ASM_SPARC_SECTIONS_H - -#include <asm-generic/sections.h> - -#endif diff --git a/arch/sparc/include/asm/srmmu.h b/arch/sparc/include/asm/srmmu.h deleted file mode 100644 index 8da2f67..0000000 --- a/arch/sparc/include/asm/srmmu.h +++ /dev/null @@ -1,287 +0,0 @@ -/* SRMMU page table defines and code, - * taken from the SPARC port of Linux - * - * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com) - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_SRMMU_H__ -#define __SPARC_SRMMU_H__ - -#include <asm/asi.h> -#include <asm/page.h> - -/* Number of contexts is implementation-dependent; 64k is the most we support */ -#define SRMMU_MAX_CONTEXTS 65536 - -/* PMD_SHIFT determines the size of the area a second-level page table entry can map */ -#define SRMMU_REAL_PMD_SHIFT 18 -#define SRMMU_REAL_PMD_SIZE (1UL << SRMMU_REAL_PMD_SHIFT) -#define SRMMU_REAL_PMD_MASK (~(SRMMU_REAL_PMD_SIZE-1)) -#define SRMMU_REAL_PMD_ALIGN(__addr) (((__addr)+SRMMU_REAL_PMD_SIZE-1)&SRMMU_REAL_PMD_MASK) - -/* PGDIR_SHIFT determines what a third-level page table entry can map */ -#define SRMMU_PGDIR_SHIFT 24 -#define SRMMU_PGDIR_SIZE (1UL << SRMMU_PGDIR_SHIFT) -#define SRMMU_PGDIR_MASK (~(SRMMU_PGDIR_SIZE-1)) -#define SRMMU_PGDIR_ALIGN(addr) (((addr)+SRMMU_PGDIR_SIZE-1)&SRMMU_PGDIR_MASK) - -#define SRMMU_REAL_PTRS_PER_PTE 64 -#define SRMMU_REAL_PTRS_PER_PMD 64 -#define SRMMU_PTRS_PER_PGD 256 - -#define SRMMU_REAL_PTE_TABLE_SIZE (SRMMU_REAL_PTRS_PER_PTE*4) -#define SRMMU_PMD_TABLE_SIZE (SRMMU_REAL_PTRS_PER_PMD*4) -#define SRMMU_PGD_TABLE_SIZE (SRMMU_PTRS_PER_PGD*4) - -/* - * To support pagetables in highmem, Linux introduces APIs which - * return struct page* and generally manipulate page tables when - * they are not mapped into kernel space. Our hardware page tables - * are smaller than pages. We lump hardware tabes into big, page sized - * software tables. - * - * PMD_SHIFT determines the size of the area a second-level page table entry - * can map, and our pmd_t is 16 times larger than normal. The values which - * were once defined here are now generic for 4c and srmmu, so they're - * found in pgtable.h. - */ -#define SRMMU_PTRS_PER_PMD 4 - -/* Definition of the values in the ET field of PTD's and PTE's */ -#define SRMMU_ET_MASK 0x3 -#define SRMMU_ET_INVALID 0x0 -#define SRMMU_ET_PTD 0x1 -#define SRMMU_ET_PTE 0x2 -#define SRMMU_ET_REPTE 0x3 /* AIEEE, SuperSparc II reverse endian page! */ - -/* Physical page extraction from PTP's and PTE's. */ -#define SRMMU_CTX_PMASK 0xfffffff0 -#define SRMMU_PTD_PMASK 0xfffffff0 -#define SRMMU_PTE_PMASK 0xffffff00 - -/* The pte non-page bits. Some notes: - * 1) cache, dirty, valid, and ref are frobbable - * for both supervisor and user pages. - * 2) exec and write will only give the desired effect - * on user pages - * 3) use priv and priv_readonly for changing the - * characteristics of supervisor ptes - */ -#define SRMMU_CACHE 0x80 -#define SRMMU_DIRTY 0x40 -#define SRMMU_REF 0x20 -#define SRMMU_NOREAD 0x10 -#define SRMMU_EXEC 0x08 -#define SRMMU_WRITE 0x04 -#define SRMMU_VALID 0x02 /* SRMMU_ET_PTE */ -#define SRMMU_PRIV 0x1c -#define SRMMU_PRIV_RDONLY 0x18 - -#define SRMMU_FILE 0x40 /* Implemented in software */ - -#define SRMMU_PTE_FILE_SHIFT 8 /* == 32-PTE_FILE_MAX_BITS */ - -#define SRMMU_CHG_MASK (0xffffff00 | SRMMU_REF | SRMMU_DIRTY) - -/* SRMMU swap entry encoding - * - * We use 5 bits for the type and 19 for the offset. This gives us - * 32 swapfiles of 4GB each. Encoding looks like: - * - * oooooooooooooooooootttttRRRRRRRR - * fedcba9876543210fedcba9876543210 - * - * The bottom 8 bits are reserved for protection and status bits, especially - * FILE and PRESENT. - */ -#define SRMMU_SWP_TYPE_MASK 0x1f -#define SRMMU_SWP_TYPE_SHIFT SRMMU_PTE_FILE_SHIFT -#define SRMMU_SWP_OFF_MASK 0x7ffff -#define SRMMU_SWP_OFF_SHIFT (SRMMU_PTE_FILE_SHIFT + 5) - -/* Some day I will implement true fine grained access bits for - * user pages because the SRMMU gives us the capabilities to - * enforce all the protection levels that vma's can have. - * XXX But for now... - */ -#define SRMMU_PAGE_NONE __pgprot(SRMMU_CACHE | \ - SRMMU_PRIV | SRMMU_REF) -#define SRMMU_PAGE_SHARED __pgprot(SRMMU_VALID | SRMMU_CACHE | \ - SRMMU_EXEC | SRMMU_WRITE | SRMMU_REF) -#define SRMMU_PAGE_COPY __pgprot(SRMMU_VALID | SRMMU_CACHE | \ - SRMMU_EXEC | SRMMU_REF) -#define SRMMU_PAGE_RDONLY __pgprot(SRMMU_VALID | SRMMU_CACHE | \ - SRMMU_EXEC | SRMMU_REF) -#define SRMMU_PAGE_KERNEL __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_PRIV | \ - SRMMU_DIRTY | SRMMU_REF) - -/* SRMMU Register addresses in ASI 0x4. These are valid for all - * current SRMMU implementations that exist. - */ -#define SRMMU_CTRL_REG 0x00000000 -#define SRMMU_CTXTBL_PTR 0x00000100 -#define SRMMU_CTX_REG 0x00000200 -#define SRMMU_FAULT_STATUS 0x00000300 -#define SRMMU_FAULT_ADDR 0x00000400 - -#define WINDOW_FLUSH(tmp1, tmp2) \ - mov 0, tmp1; \ -98: ld [%g6 + TI_UWINMASK], tmp2; \ - orcc %g0, tmp2, %g0; \ - add tmp1, 1, tmp1; \ - bne 98b; \ - save %sp, -64, %sp; \ -99: subcc tmp1, 1, tmp1; \ - bne 99b; \ - restore %g0, %g0, %g0; - -#ifndef __ASSEMBLY__ - -/* This makes sense. Honest it does - Anton */ -/* XXX Yes but it's ugly as sin. FIXME. -KMW */ -extern void *srmmu_nocache_pool; -#define __nocache_pa(VADDR) (((unsigned long)VADDR) - SRMMU_NOCACHE_VADDR + __pa((unsigned long)srmmu_nocache_pool)) -#define __nocache_va(PADDR) (__va((unsigned long)PADDR) - (unsigned long)srmmu_nocache_pool + SRMMU_NOCACHE_VADDR) -#define __nocache_fix(VADDR) __va(__nocache_pa(VADDR)) - -/* Accessing the MMU control register. */ -static __inline__ unsigned int srmmu_get_mmureg(void) -{ - unsigned int retval; - __asm__ __volatile__("lda [%%g0] %1, %0\n\t": - "=r"(retval):"i"(ASI_M_MMUREGS)); - return retval; -} - -static __inline__ void srmmu_set_mmureg(unsigned long regval) -{ - __asm__ __volatile__("sta %0, [%%g0] %1\n\t"::"r"(regval), - "i"(ASI_M_MMUREGS):"memory"); - -} - -static __inline__ void srmmu_set_ctable_ptr(unsigned long paddr) -{ - paddr = ((paddr >> 4) & SRMMU_CTX_PMASK); - __asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(paddr), - "r"(SRMMU_CTXTBL_PTR), - "i"(ASI_M_MMUREGS):"memory"); -} - -static __inline__ unsigned long srmmu_get_ctable_ptr(void) -{ - unsigned int retval; - - __asm__ __volatile__("lda [%1] %2, %0\n\t": - "=r"(retval): - "r"(SRMMU_CTXTBL_PTR), "i"(ASI_M_MMUREGS)); - return (retval & SRMMU_CTX_PMASK) << 4; -} - -static __inline__ void srmmu_set_context(int context) -{ - __asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(context), - "r"(SRMMU_CTX_REG), "i"(ASI_M_MMUREGS):"memory"); -} - -static __inline__ int srmmu_get_context(void) -{ - register int retval; - __asm__ __volatile__("lda [%1] %2, %0\n\t": - "=r"(retval): - "r"(SRMMU_CTX_REG), "i"(ASI_M_MMUREGS)); - return retval; -} - -static __inline__ unsigned int srmmu_get_fstatus(void) -{ - unsigned int retval; - - __asm__ __volatile__("lda [%1] %2, %0\n\t": - "=r"(retval): - "r"(SRMMU_FAULT_STATUS), "i"(ASI_M_MMUREGS)); - return retval; -} - -static __inline__ unsigned int srmmu_get_faddr(void) -{ - unsigned int retval; - - __asm__ __volatile__("lda [%1] %2, %0\n\t": - "=r"(retval): - "r"(SRMMU_FAULT_ADDR), "i"(ASI_M_MMUREGS)); - return retval; -} - -/* This is guaranteed on all SRMMU's. */ -static __inline__ void srmmu_flush_whole_tlb(void) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(0x400), /* Flush entire TLB!! */ - "i"(ASI_M_FLUSH_PROBE):"memory"); - -} - -/* These flush types are not available on all chips... */ -static __inline__ void srmmu_flush_tlb_ctx(void) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(0x300), /* Flush TLB ctx.. */ - "i"(ASI_M_FLUSH_PROBE):"memory"); - -} - -static __inline__ void srmmu_flush_tlb_region(unsigned long addr) -{ - addr &= SRMMU_PGDIR_MASK; - __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(addr | 0x200), /* Flush TLB region.. */ - "i"(ASI_M_FLUSH_PROBE):"memory"); - -} - -static __inline__ void srmmu_flush_tlb_segment(unsigned long addr) -{ - addr &= SRMMU_REAL_PMD_MASK; - __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(addr | 0x100), /* Flush TLB segment.. */ - "i"(ASI_M_FLUSH_PROBE):"memory"); - -} - -static __inline__ void srmmu_flush_tlb_page(unsigned long page) -{ - page &= PAGE_MASK; - __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(page), /* Flush TLB page.. */ - "i"(ASI_M_FLUSH_PROBE):"memory"); - -} - -static __inline__ unsigned long srmmu_hwprobe(unsigned long vaddr) -{ - unsigned long retval; - - vaddr &= PAGE_MASK; - __asm__ __volatile__("lda [%1] %2, %0\n\t": - "=r"(retval): - "r"(vaddr | 0x400), "i"(ASI_M_FLUSH_PROBE)); - - return retval; -} - -static __inline__ int srmmu_get_pte(unsigned long addr) -{ - register unsigned long entry; - - __asm__ __volatile__("\n\tlda [%1] %2,%0\n\t": - "=r"(entry): - "r"((addr & 0xfffff000) | 0x400), - "i"(ASI_M_FLUSH_PROBE)); - return entry; -} - -extern unsigned long (*srmmu_read_physical) (unsigned long paddr); -extern void (*srmmu_write_physical) (unsigned long paddr, unsigned long word); - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC_SRMMU_H__) */ diff --git a/arch/sparc/include/asm/stack.h b/arch/sparc/include/asm/stack.h deleted file mode 100644 index fcab920..0000000 --- a/arch/sparc/include/asm/stack.h +++ /dev/null @@ -1,148 +0,0 @@ -/* SPARC stack layout Macros and structures, - * mainly taken from BCC (the Bare C compiler for - * SPARC LEON2/3) sources. - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_STACK_H__ -#define __SPARC_STACK_H__ - -#include <asm/ptrace.h> - -#ifndef __ASSEMBLER__ - -#ifdef __cplusplus -extern "C" { -#endif - -#define PT_REGS_SZ sizeof(struct pt_regs) - -/* A Sparc stack frame */ - struct sparc_stackframe_regs { - unsigned long sf_locals[8]; - unsigned long sf_ins[6]; - struct sparc_stackframe_regs *sf_fp; - unsigned long sf_callers_pc; - char *sf_structptr; - unsigned long sf_xargs[6]; - unsigned long sf_xxargs[1]; - }; -#define SF_REGS_SZ sizeof(struct sparc_stackframe_regs) - -/* A register window */ - struct sparc_regwindow_regs { - unsigned long locals[8]; - unsigned long ins[8]; - }; -#define RW_REGS_SZ sizeof(struct sparc_regwindow_regs) - -/* A fpu window */ - struct sparc_fpuwindow_regs { - unsigned long locals[32]; - unsigned long fsr; - unsigned long lastctx; - }; -#define FW_REGS_SZ sizeof(struct sparc_fpuwindow_regs) - -#ifdef __cplusplus -} -#endif -#else -#define PT_REGS_SZ 0x50 /* 20*4 */ -#define SF_REGS_SZ 0x60 /* 24*4 */ -#define RW_REGS_SZ 0x20 /* 16*4 */ -#define FW_REGS_SZ 0x88 /* 34*4 */ -#endif /* !ASM */ - -/* These are for pt_regs. */ -#define PT_PSR 0x0 -#define PT_PC 0x4 -#define PT_NPC 0x8 -#define PT_Y 0xc -#define PT_G0 0x10 -#define PT_WIM PT_G0 -#define PT_G1 0x14 -#define PT_G2 0x18 -#define PT_G3 0x1c -#define PT_G4 0x20 -#define PT_G5 0x24 -#define PT_G6 0x28 -#define PT_G7 0x2c -#define PT_I0 0x30 -#define PT_I1 0x34 -#define PT_I2 0x38 -#define PT_I3 0x3c -#define PT_I4 0x40 -#define PT_I5 0x44 -#define PT_I6 0x48 -#define PT_FP PT_I6 -#define PT_I7 0x4c - -/* Stack_frame offsets */ -#define SF_L0 0x00 -#define SF_L1 0x04 -#define SF_L2 0x08 -#define SF_L3 0x0c -#define SF_L4 0x10 -#define SF_L5 0x14 -#define SF_L6 0x18 -#define SF_L7 0x1c -#define SF_I0 0x20 -#define SF_I1 0x24 -#define SF_I2 0x28 -#define SF_I3 0x2c -#define SF_I4 0x30 -#define SF_I5 0x34 -#define SF_FP 0x38 -#define SF_PC 0x3c -#define SF_RETP 0x40 -#define SF_XARG0 0x44 -#define SF_XARG1 0x48 -#define SF_XARG2 0x4c -#define SF_XARG3 0x50 -#define SF_XARG4 0x54 -#define SF_XARG5 0x58 -#define SF_XXARG 0x5c - -/* Reg_window offsets */ -#define RW_L0 0x00 -#define RW_L1 0x04 -#define RW_L2 0x08 -#define RW_L3 0x0c -#define RW_L4 0x10 -#define RW_L5 0x14 -#define RW_L6 0x18 -#define RW_L7 0x1c -#define RW_I0 0x20 -#define RW_I1 0x24 -#define RW_I2 0x28 -#define RW_I3 0x2c -#define RW_I4 0x30 -#define RW_I5 0x34 -#define RW_I6 0x38 -#define RW_I7 0x3c - -/* Fpu_window offsets */ -#define FW_F0 0x00 -#define FW_F2 0x08 -#define FW_F4 0x10 -#define FW_F6 0x18 -#define FW_F8 0x20 -#define FW_F10 0x28 -#define FW_F12 0x30 -#define FW_F14 0x38 -#define FW_F16 0x40 -#define FW_F18 0x48 -#define FW_F20 0x50 -#define FW_F22 0x58 -#define FW_F24 0x60 -#define FW_F26 0x68 -#define FW_F28 0x70 -#define FW_F30 0x78 -#define FW_FSR 0x80 - -#endif diff --git a/arch/sparc/include/asm/string.h b/arch/sparc/include/asm/string.h deleted file mode 100644 index d9cc5db..0000000 --- a/arch/sparc/include/asm/string.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * (C) Copyright 2000 - 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _SPARC_STRING_H_ -#define _SPARC_STRING_H_ - -/* -#define __HAVE_ARCH_STRCPY -#define __HAVE_ARCH_STRNCPY -#define __HAVE_ARCH_STRLEN -#define __HAVE_ARCH_STRCMP -#define __HAVE_ARCH_STRCAT -#define __HAVE_ARCH_MEMSET -#define __HAVE_ARCH_BCOPY -#define __HAVE_ARCH_MEMCPY -#define __HAVE_ARCH_MEMMOVE -#define __HAVE_ARCH_MEMCMP -#define __HAVE_ARCH_MEMCHR -*/ - -extern int strcasecmp(const char *, const char *); -extern int strncasecmp(const char *, const char *, __kernel_size_t); -extern char *strcpy(char *, const char *); -extern char *strncpy(char *, const char *, __kernel_size_t); -extern __kernel_size_t strlen(const char *); -extern int strcmp(const char *, const char *); -extern char *strcat(char *, const char *); -extern void *memset(void *, int, __kernel_size_t); -extern void *memcpy(void *, const void *, __kernel_size_t); -extern void *memmove(void *, const void *, __kernel_size_t); -extern int memcmp(const void *, const void *, __kernel_size_t); -extern void *memchr(const void *, int, __kernel_size_t); - -#endif diff --git a/arch/sparc/include/asm/types.h b/arch/sparc/include/asm/types.h deleted file mode 100644 index 72030b2..0000000 --- a/arch/sparc/include/asm/types.h +++ /dev/null @@ -1,60 +0,0 @@ -/* - * (C) Copyright 2000 - 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _SPARC_TYPES_H -#define _SPARC_TYPES_H - -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -typedef __signed__ char __s8; -typedef unsigned char __u8; - -typedef __signed__ short __s16; -typedef unsigned short __u16; - -typedef __signed__ int __s32; -typedef unsigned int __u32; - -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) -typedef __signed__ long long __s64; -typedef unsigned long long __u64; -#endif - -typedef struct { - __u32 u[4]; -} __attribute__((aligned(16))) vector128; - -#ifdef __KERNEL__ -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -typedef signed char s8; -typedef unsigned char u8; - -typedef signed short s16; -typedef unsigned short u16; - -typedef signed int s32; -typedef unsigned int u32; - -typedef signed long long s64; -typedef unsigned long long u64; - -#define BITS_PER_LONG 32 - -/* DMA addresses are 32-bits wide */ -typedef u32 dma_addr_t; - -typedef unsigned long phys_addr_t; -typedef unsigned long phys_size_t; - -#endif /* __KERNEL__ */ -#endif /* __ASSEMBLY__ */ - -#endif diff --git a/arch/sparc/include/asm/u-boot.h b/arch/sparc/include/asm/u-boot.h deleted file mode 100644 index 75ac7dc..0000000 --- a/arch/sparc/include/asm/u-boot.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * (C) Copyright 2000 - 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2007, 2015 - * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __U_BOOT_H__ -#define __U_BOOT_H__ - -/* Currently, this board information is not passed to - * Linux kernel from U-Boot, but may be passed to other - * Operating systems. This is because U-Boot emulates - * a SUN PROM loader (from Linux point of view). - */ -#include <asm-generic/u-boot.h> - -/* For image.h:image_check_target_arch() */ -#define IH_ARCH_DEFAULT IH_ARCH_SPARC - -#endif diff --git a/arch/sparc/include/asm/unaligned.h b/arch/sparc/include/asm/unaligned.h deleted file mode 100644 index 0e646f7..0000000 --- a/arch/sparc/include/asm/unaligned.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef _ASM_SPARC_UNALIGNED_H -#define _ASM_SPARC_UNALIGNED_H - -/* - * The SPARC can not do unaligned accesses, it must be split into multiple - * byte accesses. The SPARC is in big endian mode. - */ -#include <asm-generic/unaligned.h> - -#endif /* _ASM_SPARC_UNALIGNED_H */ diff --git a/arch/sparc/include/asm/winmacro.h b/arch/sparc/include/asm/winmacro.h deleted file mode 100644 index 916ee9c..0000000 --- a/arch/sparc/include/asm/winmacro.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Added to U-Boot, - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com - * Copyright (C) 2007 - * - * LEON2/3 LIBIO low-level routines - * Written by Jiri Gaisler. - * Copyright (C) 2004 Gaisler Research AB - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __SPARC_WINMACRO_H__ -#define __SPARC_WINMACRO_H__ - -#include <asm/asmmacro.h> -#include <asm/stack.h> - -/* Store the register window onto the 8-byte aligned area starting - * at %reg. It might be %sp, it might not, we don't care. - */ -#define RW_STORE(reg) \ - std %l0, [%reg + RW_L0]; \ - std %l2, [%reg + RW_L2]; \ - std %l4, [%reg + RW_L4]; \ - std %l6, [%reg + RW_L6]; \ - std %i0, [%reg + RW_I0]; \ - std %i2, [%reg + RW_I2]; \ - std %i4, [%reg + RW_I4]; \ - std %i6, [%reg + RW_I6]; - -/* Load a register window from the area beginning at %reg. */ -#define RW_LOAD(reg) \ - ldd [%reg + RW_L0], %l0; \ - ldd [%reg + RW_L2], %l2; \ - ldd [%reg + RW_L4], %l4; \ - ldd [%reg + RW_L6], %l6; \ - ldd [%reg + RW_I0], %i0; \ - ldd [%reg + RW_I2], %i2; \ - ldd [%reg + RW_I4], %i4; \ - ldd [%reg + RW_I6], %i6; - -/* Loading and storing struct pt_reg trap frames. */ -#define PT_LOAD_INS(base_reg) \ - ldd [%base_reg + SF_REGS_SZ + PT_I0], %i0; \ - ldd [%base_reg + SF_REGS_SZ + PT_I2], %i2; \ - ldd [%base_reg + SF_REGS_SZ + PT_I4], %i4; \ - ldd [%base_reg + SF_REGS_SZ + PT_I6], %i6; - -#define PT_LOAD_GLOBALS(base_reg) \ - ld [%base_reg + SF_REGS_SZ + PT_G1], %g1; \ - ldd [%base_reg + SF_REGS_SZ + PT_G2], %g2; \ - ldd [%base_reg + SF_REGS_SZ + PT_G4], %g4; \ - ldd [%base_reg + SF_REGS_SZ + PT_G6], %g6; - -#define PT_LOAD_YREG(base_reg, scratch) \ - ld [%base_reg + SF_REGS_SZ + PT_Y], %scratch; \ - wr %scratch, 0x0, %y; - -#define PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \ - ld [%base_reg + SF_REGS_SZ + PT_PSR], %pt_psr; \ - ld [%base_reg + SF_REGS_SZ + PT_PC], %pt_pc; \ - ld [%base_reg + SF_REGS_SZ + PT_NPC], %pt_npc; - -#define PT_LOAD_ALL(base_reg, pt_psr, pt_pc, pt_npc, scratch) \ - PT_LOAD_YREG(base_reg, scratch) \ - PT_LOAD_INS(base_reg) \ - PT_LOAD_GLOBALS(base_reg) \ - PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) - -#define PT_STORE_INS(base_reg) \ - std %i0, [%base_reg + SF_REGS_SZ + PT_I0]; \ - std %i2, [%base_reg + SF_REGS_SZ + PT_I2]; \ - std %i4, [%base_reg + SF_REGS_SZ + PT_I4]; \ - std %i6, [%base_reg + SF_REGS_SZ + PT_I6]; - -#define PT_STORE_GLOBALS(base_reg) \ - st %g1, [%base_reg + SF_REGS_SZ + PT_G1]; \ - std %g2, [%base_reg + SF_REGS_SZ + PT_G2]; \ - std %g4, [%base_reg + SF_REGS_SZ + PT_G4]; \ - std %g6, [%base_reg + SF_REGS_SZ + PT_G6]; - -#define PT_STORE_YREG(base_reg, scratch) \ - rd %y, %scratch; \ - st %scratch, [%base_reg + SF_REGS_SZ + PT_Y]; - -#define PT_STORE_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \ - st %pt_psr, [%base_reg + SF_REGS_SZ + PT_PSR]; \ - st %pt_pc, [%base_reg + SF_REGS_SZ + PT_PC]; \ - st %pt_npc, [%base_reg + SF_REGS_SZ + PT_NPC]; - -#define PT_STORE_ALL(base_reg, reg_psr, reg_pc, reg_npc, g_scratch) \ - PT_STORE_PRIV(base_reg, reg_psr, reg_pc, reg_npc) \ - PT_STORE_GLOBALS(base_reg) \ - PT_STORE_YREG(base_reg, g_scratch) \ - PT_STORE_INS(base_reg) - -/* Store the fpu register window*/ -#define FW_STORE(reg) \ - std %f0, [reg + FW_F0]; \ - std %f2, [reg + FW_F2]; \ - std %f4, [reg + FW_F4]; \ - std %f6, [reg + FW_F6]; \ - std %f8, [reg + FW_F8]; \ - std %f10, [reg + FW_F10]; \ - std %f12, [reg + FW_F12]; \ - std %f14, [reg + FW_F14]; \ - std %f16, [reg + FW_F16]; \ - std %f18, [reg + FW_F18]; \ - std %f20, [reg + FW_F20]; \ - std %f22, [reg + FW_F22]; \ - std %f24, [reg + FW_F24]; \ - std %f26, [reg + FW_F26]; \ - std %f28, [reg + FW_F28]; \ - std %f30, [reg + FW_F30]; \ - st %fsr, [reg + FW_FSR]; - -/* Load a fpu register window from the area beginning at reg. */ -#define FW_LOAD(reg) \ - ldd [reg + FW_F0], %f0; \ - ldd [reg + FW_F2], %f2; \ - ldd [reg + FW_F4], %f4; \ - ldd [reg + FW_F6], %f6; \ - ldd [reg + FW_F8], %f8; \ - ldd [reg + FW_F10], %f10; \ - ldd [reg + FW_F12], %f12; \ - ldd [reg + FW_F14], %f14; \ - ldd [reg + FW_F16], %f16; \ - ldd [reg + FW_F18], %f18; \ - ldd [reg + FW_F20], %f20; \ - ldd [reg + FW_F22], %f22; \ - ldd [reg + FW_F24], %f24; \ - ldd [reg + FW_F26], %f26; \ - ldd [reg + FW_F28], %f28; \ - ldd [reg + FW_F30], %f30; \ - ld [reg + FW_FSR], %fsr; - -#endif diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile deleted file mode 100644 index 6b7ad6d..0000000 --- a/arch/sparc/lib/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# (C) Copyright 2000-2015 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y = cache.o interrupts.o -obj-$(CONFIG_CMD_BOOTM) += bootm.o diff --git a/arch/sparc/lib/bootm.c b/arch/sparc/lib/bootm.c deleted file mode 100644 index 927a351..0000000 --- a/arch/sparc/lib/bootm.c +++ /dev/null @@ -1,166 +0,0 @@ -/* SPARC code for booting linux 2.6 - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <asm/byteorder.h> -#include <asm/prom.h> -#include <asm/cache.h> -#include <image.h> - -#define PRINT_KERNEL_HEADER - -extern image_header_t header; -extern void srmmu_init_cpu(unsigned int entry); -extern void prepare_bootargs(char *bootargs); - -/* sparc kernel argument (the ROM vector) */ -struct linux_romvec *kernel_arg_promvec; - -/* page szie is 4k */ -#define PAGE_SIZE 0x1000 -#define RAMDISK_IMAGE_START_MASK 0x07FF -#define RAMDISK_PROMPT_FLAG 0x8000 -#define RAMDISK_LOAD_FLAG 0x4000 -struct __attribute__ ((packed)) { - char traptable[PAGE_SIZE]; - char swapper_pg_dir[PAGE_SIZE]; - char pg0[PAGE_SIZE]; - char pg1[PAGE_SIZE]; - char pg2[PAGE_SIZE]; - char pg3[PAGE_SIZE]; - char empty_bad_page[PAGE_SIZE]; - char empty_bad_page_table[PAGE_SIZE]; - char empty_zero_page[PAGE_SIZE]; - unsigned char hdr[4]; /* ascii "HdrS" */ - /* 00.02.06.0b is for Linux kernel 2.6.11 */ - unsigned char linuxver_mega_major; - unsigned char linuxver_major; - unsigned char linuxver_minor; - unsigned char linuxver_revision; - /* header version 0x0203 */ - unsigned short hdr_ver; - union __attribute__ ((packed)) { - struct __attribute__ ((packed)) { - unsigned short root_flags; - unsigned short root_dev; - unsigned short ram_flags; - unsigned int sparc_ramdisk_image; - unsigned int sparc_ramdisk_size; - unsigned int reboot_command; - unsigned int resv[3]; - unsigned int end; - } ver_0203; - } hdr_input; -} *linux_hdr; - -/* temporary initrd image holder */ -image_header_t ihdr; - -void arch_lmb_reserve(struct lmb *lmb) -{ - /* Reserve the space used by PROM and stack. This is done - * to avoid that the RAM image is copied over stack or - * PROM. - */ - lmb_reserve(lmb, CONFIG_SYS_RELOC_MONITOR_BASE, CONFIG_SYS_RAM_END); -} - -/* boot the linux kernel */ -int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t * images) -{ - char *bootargs; - ulong rd_len; - void (*kernel) (struct linux_romvec *, void *); - int ret; - - /* - * allow the PREP bootm subcommand, it is required for bootm to work - */ - if (flag & BOOTM_STATE_OS_PREP) - return 0; - - if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) - return 1; - - /* Get virtual address of kernel start */ - linux_hdr = (void *)images->os.load; - - /* */ - kernel = (void (*)(struct linux_romvec *, void *))images->ep; - - /* check for a SPARC kernel */ - if ((linux_hdr->hdr[0] != 'H') || - (linux_hdr->hdr[1] != 'd') || - (linux_hdr->hdr[2] != 'r') || (linux_hdr->hdr[3] != 'S')) { - puts("Error reading header of SPARC Linux kernel, aborting\n"); - goto error; - } -#ifdef PRINT_KERNEL_HEADER - printf("## Found SPARC Linux kernel %d.%d.%d ...\n", - linux_hdr->linuxver_major, - linux_hdr->linuxver_minor, linux_hdr->linuxver_revision); -#endif - - /* set basic boot params in kernel header now that it has been - * extracted and is writeable. - */ - - ret = image_setup_linux(images); - if (ret) { - puts("### Failed to relocate RAM disk\n"); - goto error; - } - - /* Calc length of RAM disk, if zero no ramdisk available */ - rd_len = images->rd_end - images->rd_start; - - if (rd_len) { - /* Update SPARC kernel header so that Linux knows - * what is going on and where to find RAM disk. - * - * Set INITRD Image address relative to RAM Start - */ - linux_hdr->hdr_input.ver_0203.sparc_ramdisk_image = - images->initrd_start - CONFIG_SYS_RAM_BASE; - linux_hdr->hdr_input.ver_0203.sparc_ramdisk_size = rd_len; - /* Clear READ ONLY flag if set to non-zero */ - linux_hdr->hdr_input.ver_0203.root_flags = 1; - /* Set root device to: Root_RAM0 */ - linux_hdr->hdr_input.ver_0203.root_dev = 0x100; - linux_hdr->hdr_input.ver_0203.ram_flags = 0; - } else { - /* NOT using RAMDISK image, overwriting kernel defaults */ - linux_hdr->hdr_input.ver_0203.sparc_ramdisk_image = 0; - linux_hdr->hdr_input.ver_0203.sparc_ramdisk_size = 0; - /* Leave to kernel defaults - linux_hdr->hdr_input.ver_0203.root_flags = 1; - linux_hdr->hdr_input.ver_0203.root_dev = 0; - linux_hdr->hdr_input.ver_0203.ram_flags = 0; - */ - } - - /* Copy bootargs from bootargs variable to kernel readable area */ - bootargs = getenv("bootargs"); - prepare_bootargs(bootargs); - - /* turn on mmu & setup context table & page table for process 0 (kernel) */ - srmmu_init_cpu((unsigned int)kernel); - - /* Enter SPARC Linux kernel - * From now on the only code in u-boot that will be - * executed is the PROM code. - */ - kernel(kernel_arg_promvec, (void *)images->ep); - - /* It will never come to this... */ - while (1) ; - - error: - return 1; -} diff --git a/arch/sparc/lib/cache.c b/arch/sparc/lib/cache.c deleted file mode 100644 index fd17467..0000000 --- a/arch/sparc/lib/cache.c +++ /dev/null @@ -1,17 +0,0 @@ -/* Sparc cache library - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/processor.h> - -void flush_cache(ulong start_addr, ulong size) -{ - /* Flush All Cache */ - sparc_dcache_flush_all(); - sparc_icache_flush_all(); -} diff --git a/arch/sparc/lib/interrupts.c b/arch/sparc/lib/interrupts.c deleted file mode 100644 index cb73d17..0000000 --- a/arch/sparc/lib/interrupts.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * (C) Copyright 2000-2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2003 - * Gleb Natapov <gnatapov@mrv.com> - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/processor.h> -#include <asm/irq.h> - -/* Implemented by SPARC CPUs */ -extern int interrupt_init_cpu(void); -extern void timer_interrupt_cpu(void *arg); -extern int timer_interrupt_init_cpu(void); - -int intLock(void) -{ - unsigned int pil; - - pil = get_pil(); - - /* set PIL to 15 ==> no pending interrupts will interrupt CPU */ - set_pil(15); - - return pil; -} - -void intUnlock(int oldLevel) -{ - set_pil(oldLevel); -} - -void enable_interrupts(void) -{ - set_pil(0); /* enable all interrupts */ -} - -int disable_interrupts(void) -{ - return intLock(); -} - -int interrupt_is_enabled(void) -{ - if (get_pil() == 15) - return 0; - return 1; -} - -int interrupt_init(void) -{ - int ret; - - /* call cpu specific function from $(CPU)/interrupts.c */ - ret = interrupt_init_cpu(); - - /* enable global interrupts */ - enable_interrupts(); - - return ret; -} |