diff options
Diffstat (limited to 'common')
-rw-r--r-- | common/Makefile | 4 | ||||
-rw-r--r-- | common/board_f.c | 1015 | ||||
-rw-r--r-- | common/board_r.c | 917 | ||||
-rw-r--r-- | common/cmd_bootm.c | 8 | ||||
-rw-r--r-- | common/cmd_df.c | 36 | ||||
-rw-r--r-- | common/cmd_fat.c | 3 | ||||
-rw-r--r-- | common/cmd_mem.c | 5 | ||||
-rw-r--r-- | common/cmd_mtdparts.c | 6 | ||||
-rw-r--r-- | common/cmd_nvedit.c | 54 | ||||
-rw-r--r-- | common/cmd_part.c | 2 | ||||
-rw-r--r-- | common/main.c | 22 |
11 files changed, 1989 insertions, 83 deletions
diff --git a/common/Makefile b/common/Makefile index 719fc23..08af1a8 100644 --- a/common/Makefile +++ b/common/Makefile @@ -36,6 +36,10 @@ COBJS-y += s_record.o COBJS-y += xyzModem.o COBJS-y += cmd_disk.o +# boards +COBJS-$(CONFIG_SYS_GENERIC_BOARD) += board_f.o +COBJS-$(CONFIG_SYS_GENERIC_BOARD) += board_r.o + # core command COBJS-y += cmd_boot.o COBJS-$(CONFIG_CMD_BOOTM) += cmd_bootm.o diff --git a/common/board_f.c b/common/board_f.c new file mode 100644 index 0000000..29b49c3 --- /dev/null +++ b/common/board_f.c @@ -0,0 +1,1015 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * (C) Copyright 2002-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <linux/compiler.h> +#include <version.h> +#include <environment.h> +#include <fdtdec.h> +#if defined(CONFIG_CMD_IDE) +#include <ide.h> +#endif +#include <i2c.h> +#include <initcall.h> +#include <logbuff.h> + +/* TODO: Can we move these into arch/ headers? */ +#ifdef CONFIG_8xx +#include <mpc8xx.h> +#endif +#ifdef CONFIG_5xx +#include <mpc5xx.h> +#endif +#ifdef CONFIG_MPC5xxx +#include <mpc5xxx.h> +#endif + +#include <post.h> +#include <spi.h> +#include <watchdog.h> +#include <asm/io.h> +#ifdef CONFIG_MP +#include <asm/mp.h> +#endif +#include <asm/sections.h> +#ifdef CONFIG_X86 +#include <asm/init_helpers.h> +#include <asm/relocate.h> +#endif +#include <linux/compiler.h> + +/* + * Pointer to initial global data area + * + * Here we initialize it if needed. + */ +#ifdef XTRN_DECLARE_GLOBAL_DATA_PTR +#undef XTRN_DECLARE_GLOBAL_DATA_PTR +#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */ +DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_GD_ADDR); +#else +DECLARE_GLOBAL_DATA_PTR; +#endif + +/* + * sjg: IMO this code should be + * refactored to a single function, something like: + * + * void led_set_state(enum led_colour_t colour, int on); + */ +/************************************************************************ + * Coloured LED functionality + ************************************************************************ + * May be supplied by boards if desired + */ +inline void __coloured_LED_init(void) {} +void coloured_LED_init(void) + __attribute__((weak, alias("__coloured_LED_init"))); +inline void __red_led_on(void) {} +void red_led_on(void) __attribute__((weak, alias("__red_led_on"))); +inline void __red_led_off(void) {} +void red_led_off(void) __attribute__((weak, alias("__red_led_off"))); +inline void __green_led_on(void) {} +void green_led_on(void) __attribute__((weak, alias("__green_led_on"))); +inline void __green_led_off(void) {} +void green_led_off(void) __attribute__((weak, alias("__green_led_off"))); +inline void __yellow_led_on(void) {} +void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on"))); +inline void __yellow_led_off(void) {} +void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off"))); +inline void __blue_led_on(void) {} +void blue_led_on(void) __attribute__((weak, alias("__blue_led_on"))); +inline void __blue_led_off(void) {} +void blue_led_off(void) __attribute__((weak, alias("__blue_led_off"))); + +/* + * Why is gd allocated a register? Prior to reloc it might be better to + * just pass it around to each function in this file? + * + * After reloc one could argue that it is hardly used and doesn't need + * to be in a register. Or if it is it should perhaps hold pointers to all + * global data for all modules, so that post-reloc we can avoid the massive + * literal pool we get on ARM. Or perhaps just encourage each module to use + * a structure... + */ + +/* + * Could the CONFIG_SPL_BUILD infection become a flag in gd? + */ + +#if defined(CONFIG_WATCHDOG) +static int init_func_watchdog_init(void) +{ + puts(" Watchdog enabled\n"); + WATCHDOG_RESET(); + + return 0; +} + +int init_func_watchdog_reset(void) +{ + WATCHDOG_RESET(); + + return 0; +} +#endif /* CONFIG_WATCHDOG */ + +void __board_add_ram_info(int use_default) +{ + /* please define platform specific board_add_ram_info() */ +} + +void board_add_ram_info(int) + __attribute__ ((weak, alias("__board_add_ram_info"))); + +static int init_baud_rate(void) +{ + gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); + return 0; +} + +static int display_text_info(void) +{ + ulong bss_start, bss_end; + +#ifdef CONFIG_SYS_SYM_OFFSETS + bss_start = _bss_start_ofs + _TEXT_BASE; + bss_end = _bss_end_ofs + _TEXT_BASE; +#else + bss_start = (ulong)&__bss_start; + bss_end = (ulong)&__bss_end; +#endif + debug("U-Boot code: %08X -> %08lX BSS: -> %08lX\n", + CONFIG_SYS_TEXT_BASE, bss_start, bss_end); + +#ifdef CONFIG_MODEM_SUPPORT + debug("Modem Support enabled\n"); +#endif +#ifdef CONFIG_USE_IRQ + debug("IRQ Stack: %08lx\n", IRQ_STACK_START); + debug("FIQ Stack: %08lx\n", FIQ_STACK_START); +#endif + + return 0; +} + +static int announce_dram_init(void) +{ + puts("DRAM: "); + return 0; +} + +#ifdef CONFIG_PPC +static int init_func_ram(void) +{ +#ifdef CONFIG_BOARD_TYPES + int board_type = gd->board_type; +#else + int board_type = 0; /* use dummy arg */ +#endif + + gd->ram_size = initdram(board_type); + + if (gd->ram_size > 0) + return 0; + + puts("*** failed ***\n"); + return 1; +} +#endif + +static int show_dram_config(void) +{ + ulong size; + +#ifdef CONFIG_NR_DRAM_BANKS + int i; + + debug("\nRAM Configuration:\n"); + for (i = size = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + size += gd->bd->bi_dram[i].size; + debug("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start); +#ifdef DEBUG + print_size(gd->bd->bi_dram[i].size, "\n"); +#endif + } + debug("\nDRAM: "); +#else + size = gd->ram_size; +#endif + + print_size(size, ""); + board_add_ram_info(0); + putc('\n'); + + return 0; +} + +ulong get_effective_memsize(void) +{ +#ifndef CONFIG_VERY_BIG_RAM + return gd->ram_size; +#else + /* limit stack to what we can reasonable map */ + return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ? + CONFIG_MAX_MEM_MAPPED : gd->ram_size); +#endif +} + +void __dram_init_banksize(void) +{ +#if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE) + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = get_effective_memsize(); +#endif +} + +void dram_init_banksize(void) + __attribute__((weak, alias("__dram_init_banksize"))); + +#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) +static int init_func_i2c(void) +{ + puts("I2C: "); + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + puts("ready\n"); + return 0; +} +#endif + +#if defined(CONFIG_HARD_SPI) +static int init_func_spi(void) +{ + puts("SPI: "); + spi_init(); + puts("ready\n"); + return 0; +} +#endif + +__maybe_unused +static int zero_global_data(void) +{ + memset((void *)gd, '\0', sizeof(gd_t)); + + return 0; +} + +static int setup_mon_len(void) +{ +#ifdef CONFIG_SYS_SYM_OFFSETS + gd->mon_len = _bss_end_ofs; +#else + /* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */ + gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE; +#endif + return 0; +} + +__weak int arch_cpu_init(void) +{ + return 0; +} + +static int setup_fdt(void) +{ +#ifdef CONFIG_OF_EMBED + /* Get a pointer to the FDT */ + gd->fdt_blob = _binary_dt_dtb_start; +#elif defined CONFIG_OF_SEPARATE + /* FDT is at end of image */ +# ifdef CONFIG_SYS_SYM_OFFSETS + gd->fdt_blob = (void *)(_end_ofs + CONFIG_SYS_TEXT_BASE); +# else + gd->fdt_blob = (ulong *)&_end; +# endif +#endif + /* Allow the early environment to override the fdt address */ + gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16, + (uintptr_t)gd->fdt_blob); + return 0; +} + +/* Get the top of usable RAM */ +__weak ulong board_get_usable_ram_top(ulong total_size) +{ + return gd->ram_top; +} + +static int setup_dest_addr(void) +{ + debug("Monitor len: %08lX\n", gd->mon_len); + /* + * Ram is setup, size stored in gd !! + */ + debug("Ram size: %08lX\n", (ulong)gd->ram_size); +#if defined(CONFIG_SYS_MEM_TOP_HIDE) + /* + * Subtract specified amount of memory to hide so that it won't + * get "touched" at all by U-Boot. By fixing up gd->ram_size + * the Linux kernel should now get passed the now "corrected" + * memory size and won't touch it either. This should work + * for arch/ppc and arch/powerpc. Only Linux board ports in + * arch/powerpc with bootwrapper support, that recalculate the + * memory size from the SDRAM controller setup will have to + * get fixed. + */ + gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; +#endif +#ifdef CONFIG_SYS_SDRAM_BASE + gd->ram_top = CONFIG_SYS_SDRAM_BASE; +#endif + gd->ram_top += get_effective_memsize(); + gd->ram_top = board_get_usable_ram_top(gd->mon_len); + gd->dest_addr = gd->ram_top; + debug("Ram top: %08lX\n", (ulong)gd->ram_top); +#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500)) + /* + * We need to make sure the location we intend to put secondary core + * boot code is reserved and not used by any part of u-boot + */ + if (gd->dest_addr > determine_mp_bootpg(NULL)) { + gd->dest_addr = determine_mp_bootpg(NULL); + debug("Reserving MP boot page to %08lx\n", gd->dest_addr); + } +#endif + gd->dest_addr_sp = gd->dest_addr; + return 0; +} + +#if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR) +static int reserve_logbuffer(void) +{ + /* reserve kernel log buffer */ + gd->dest_addr -= LOGBUFF_RESERVE; + debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, + gd->dest_addr); + return 0; +} +#endif + +#ifdef CONFIG_PRAM +/* reserve protected RAM */ +static int reserve_pram(void) +{ + ulong reg; + + reg = getenv_ulong("pram", 10, CONFIG_PRAM); + gd->dest_addr -= (reg << 10); /* size is in kB */ + debug("Reserving %ldk for protected RAM at %08lx\n", reg, + gd->dest_addr); + return 0; +} +#endif /* CONFIG_PRAM */ + +/* Round memory pointer down to next 4 kB limit */ +static int reserve_round_4k(void) +{ + gd->dest_addr &= ~(4096 - 1); + return 0; +} + +#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \ + defined(CONFIG_ARM) +static int reserve_mmu(void) +{ + /* reserve TLB table */ + gd->arch.tlb_size = 4096 * 4; + gd->dest_addr -= gd->arch.tlb_size; + + /* round down to next 64 kB limit */ + gd->dest_addr &= ~(0x10000 - 1); + + gd->arch.tlb_addr = gd->dest_addr; + debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr, + gd->arch.tlb_addr + gd->arch.tlb_size); + return 0; +} +#endif + +#ifdef CONFIG_LCD +static int reserve_lcd(void) +{ +#ifdef CONFIG_FB_ADDR + gd->fb_base = CONFIG_FB_ADDR; +#else + /* reserve memory for LCD display (always full pages) */ + gd->dest_addr = lcd_setmem(gd->dest_addr); + gd->fb_base = gd->dest_addr; +#endif /* CONFIG_FB_ADDR */ + return 0; +} +#endif /* CONFIG_LCD */ + +#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) \ + && !defined(CONFIG_ARM) && !defined(CONFIG_X86) +static int reserve_video(void) +{ + /* reserve memory for video display (always full pages) */ + gd->dest_addr = video_setmem(gd->dest_addr); + gd->fb_base = gd->dest_addr; + + return 0; +} +#endif + +static int reserve_uboot(void) +{ + /* + * reserve memory for U-Boot code, data & bss + * round down to next 4 kB limit + */ + gd->dest_addr -= gd->mon_len; + gd->dest_addr &= ~(4096 - 1); +#ifdef CONFIG_E500 + /* round down to next 64 kB limit so that IVPR stays aligned */ + gd->dest_addr &= ~(65536 - 1); +#endif + + debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, + gd->dest_addr); + return 0; +} + +#ifndef CONFIG_SPL_BUILD +/* reserve memory for malloc() area */ +static int reserve_malloc(void) +{ + gd->dest_addr_sp = gd->dest_addr - TOTAL_MALLOC_LEN; + debug("Reserving %dk for malloc() at: %08lx\n", + TOTAL_MALLOC_LEN >> 10, gd->dest_addr_sp); + return 0; +} + +/* (permanently) allocate a Board Info struct */ +static int reserve_board(void) +{ + gd->dest_addr_sp -= sizeof(bd_t); + gd->bd = (bd_t *)gd->dest_addr_sp; + memset(gd->bd, '\0', sizeof(bd_t)); + debug("Reserving %zu Bytes for Board Info at: %08lx\n", + sizeof(bd_t), gd->dest_addr_sp); + return 0; +} +#endif + +static int setup_machine(void) +{ +#ifdef CONFIG_MACH_TYPE + gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */ +#endif + return 0; +} + +static int reserve_global_data(void) +{ + gd->dest_addr_sp -= sizeof(gd_t); + gd->new_gd = (gd_t *)gd->dest_addr_sp; + debug("Reserving %zu Bytes for Global Data at: %08lx\n", + sizeof(gd_t), gd->dest_addr_sp); + return 0; +} + +static int reserve_fdt(void) +{ + /* + * If the device tree is sitting immediate above our image then we + * must relocate it. If it is embedded in the data section, then it + * will be relocated with other data. + */ + if (gd->fdt_blob) { + gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32); + + gd->dest_addr_sp -= gd->fdt_size; + gd->new_fdt = (void *)gd->dest_addr_sp; + debug("Reserving %lu Bytes for FDT at: %p\n", + gd->fdt_size, gd->new_fdt); + } + + return 0; +} + +static int reserve_stacks(void) +{ +#ifdef CONFIG_SPL_BUILD +# ifdef CONFIG_ARM + gd->dest_addr_sp -= 128; /* leave 32 words for abort-stack */ + gd->irq_sp = gd->dest_addr_sp; +# endif +#else +# ifdef CONFIG_PPC + ulong *s; +# endif + + /* setup stack pointer for exceptions */ + gd->dest_addr_sp -= 16; + gd->dest_addr_sp &= ~0xf; + gd->irq_sp = gd->dest_addr_sp; + + /* + * Handle architecture-specific things here + * TODO(sjg@chromium.org): Perhaps create arch_reserve_stack() + * to handle this and put in arch/xxx/lib/stack.c + */ +# ifdef CONFIG_ARM +# ifdef CONFIG_USE_IRQ + gd->dest_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); + debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", + CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->dest_addr_sp); + + /* 8-byte alignment for ARM ABI compliance */ + gd->dest_addr_sp &= ~0x07; +# endif + /* leave 3 words for abort-stack, plus 1 for alignment */ + gd->dest_addr_sp -= 16; +# elif defined(CONFIG_PPC) + /* Clear initial stack frame */ + s = (ulong *) gd->dest_addr_sp; + *s = 0; /* Terminate back chain */ + *++s = 0; /* NULL return address */ +# endif /* Architecture specific code */ + + return 0; +#endif +} + +static int display_new_sp(void) +{ + debug("New Stack Pointer is: %08lx\n", gd->dest_addr_sp); + + return 0; +} + +#ifdef CONFIG_PPC +static int setup_board_part1(void) +{ + bd_t *bd = gd->bd; + + /* + * Save local variables to board info struct + */ + + bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of memory */ + bd->bi_memsize = gd->ram_size; /* size in bytes */ + +#ifdef CONFIG_SYS_SRAM_BASE + bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM */ + bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */ +#endif + +#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \ + defined(CONFIG_E500) || defined(CONFIG_MPC86xx) + bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */ +#endif +#if defined(CONFIG_MPC5xxx) + bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ +#endif +#if defined(CONFIG_MPC83xx) + bd->bi_immrbar = CONFIG_SYS_IMMR; +#endif +#if defined(CONFIG_MPC8220) + bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ + bd->bi_inpfreq = gd->arch.inp_clk; + bd->bi_pcifreq = gd->pci_clk; + bd->bi_vcofreq = gd->arch.vco_clk; + bd->bi_pevfreq = gd->arch.pev_clk; + bd->bi_flbfreq = gd->arch.flb_clk; + + /* store bootparam to sram (backward compatible), here? */ + { + u32 *sram = (u32 *) CONFIG_SYS_SRAM_BASE; + + *sram++ = gd->ram_size; + *sram++ = gd->bus_clk; + *sram++ = gd->arch.inp_clk; + *sram++ = gd->cpu_clk; + *sram++ = gd->arch.vco_clk; + *sram++ = gd->arch.flb_clk; + *sram++ = 0xb8c3ba11; /* boot signature */ + } +#endif + + return 0; +} + +static int setup_board_part2(void) +{ + bd_t *bd = gd->bd; + + bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */ + bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */ +#if defined(CONFIG_CPM2) + bd->bi_cpmfreq = gd->arch.cpm_clk; + bd->bi_brgfreq = gd->arch.brg_clk; + bd->bi_sccfreq = gd->arch.scc_clk; + bd->bi_vco = gd->arch.vco_out; +#endif /* CONFIG_CPM2 */ +#if defined(CONFIG_MPC512X) + bd->bi_ipsfreq = gd->arch.ips_clk; +#endif /* CONFIG_MPC512X */ +#if defined(CONFIG_MPC5xxx) + bd->bi_ipbfreq = gd->arch.ipb_clk; + bd->bi_pcifreq = gd->pci_clk; +#endif /* CONFIG_MPC5xxx */ + + return 0; +} +#endif + +#ifdef CONFIG_SYS_EXTBDINFO +static int setup_board_extra(void) +{ + bd_t *bd = gd->bd; + + strncpy((char *) bd->bi_s_version, "1.2", sizeof(bd->bi_s_version)); + strncpy((char *) bd->bi_r_version, U_BOOT_VERSION, + sizeof(bd->bi_r_version)); + + bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */ + bd->bi_plb_busfreq = gd->bus_clk; +#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \ + defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) + bd->bi_pci_busfreq = get_PCI_freq(); + bd->bi_opbfreq = get_OPB_freq(); +#elif defined(CONFIG_XILINX_405) + bd->bi_pci_busfreq = get_PCI_freq(); +#endif + + return 0; +} +#endif + +#ifdef CONFIG_POST +static int init_post(void) +{ + post_bootmode_init(); + post_run(NULL, POST_ROM | post_bootmode_get(0)); + + return 0; +} +#endif + +static int setup_baud_rate(void) +{ + /* Ick, can we get rid of this line? */ + gd->bd->bi_baudrate = gd->baudrate; + + return 0; +} + +static int setup_dram_config(void) +{ + /* Ram is board specific, so move it to board code ... */ + dram_init_banksize(); + + return 0; +} + +static int reloc_fdt(void) +{ + if (gd->new_fdt) { + memcpy(gd->new_fdt, gd->fdt_blob, gd->fdt_size); + gd->fdt_blob = gd->new_fdt; + } + + return 0; +} + +static int setup_reloc(void) +{ + gd->relocaddr = gd->dest_addr; + gd->start_addr_sp = gd->dest_addr_sp; + gd->reloc_off = gd->dest_addr - CONFIG_SYS_TEXT_BASE; + memcpy(gd->new_gd, (char *)gd, sizeof(gd_t)); + + debug("Relocation Offset is: %08lx\n", gd->reloc_off); + debug("Relocating to %08lx, new gd at %p, sp at %08lx\n", + gd->dest_addr, gd->new_gd, gd->dest_addr_sp); + + return 0; +} + +/* ARM calls relocate_code from its crt0.S */ +#if !defined(CONFIG_ARM) + +static int jump_to_copy(void) +{ + /* + * x86 is special, but in a nice way. It uses a trampoline which + * enables the dcache if possible. + * + * For now, other archs use relocate_code(), which is implemented + * similarly for all archs. When we do generic relocation, hopefully + * we can make all archs enable the dcache prior to relocation. + */ +#ifdef CONFIG_X86 + /* + * SDRAM and console are now initialised. The final stack can now + * be setup in SDRAM. Code execution will continue in Flash, but + * with the stack in SDRAM and Global Data in temporary memory + * (CPU cache) + */ + board_init_f_r_trampoline(gd->start_addr_sp); +#else + relocate_code(gd->dest_addr_sp, gd->new_gd, gd->dest_addr); +#endif + + return 0; +} +#endif + +/* Record the board_init_f() bootstage (after arch_cpu_init()) */ +static int mark_bootstage(void) +{ + bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f"); + + return 0; +} + +static init_fnc_t init_sequence_f[] = { +#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \ + !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \ + !defined(CONFIG_MPC86xx) + zero_global_data, +#endif + setup_fdt, + setup_mon_len, +#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) + /* TODO: can this go into arch_cpu_init()? */ + probecpu, +#endif + arch_cpu_init, /* basic arch cpu dependent setup */ +#ifdef CONFIG_X86 + cpu_init_f, /* TODO(sjg@chromium.org): remove */ +# ifdef CONFIG_OF_CONTROL + find_fdt, /* TODO(sjg@chromium.org): remove */ +# endif +#endif + mark_bootstage, +#ifdef CONFIG_OF_CONTROL + fdtdec_check_fdt, +#endif +#if defined(CONFIG_BOARD_EARLY_INIT_F) + board_early_init_f, +#endif + /* TODO: can any of this go into arch_cpu_init()? */ +#if defined(CONFIG_PPC) && !defined(CONFIG_8xx_CPUCLK_DEFAULT) + get_clocks, /* get CPU and bus clocks (etc.) */ +#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \ + && !defined(CONFIG_TQM885D) + adjust_sdram_tbs_8xx, +#endif + /* TODO: can we rename this to timer_init()? */ + init_timebase, +#endif +#if defined(CONFIG_BOARD_EARLY_INIT_F) + board_early_init_f, +#endif +#ifdef CONFIG_ARM + timer_init, /* initialize timer */ +#endif +#ifdef CONFIG_BOARD_POSTCLK_INIT + board_postclk_init, +#endif +#ifdef CONFIG_FSL_ESDHC + get_clocks, +#endif +#ifdef CONFIG_SYS_ALLOC_DPRAM +#if !defined(CONFIG_CPM2) + dpram_init, +#endif +#endif +#if defined(CONFIG_BOARD_POSTCLK_INIT) + board_postclk_init, +#endif + env_init, /* initialize environment */ +#if defined(CONFIG_8xx_CPUCLK_DEFAULT) + /* get CPU and bus clocks according to the environment variable */ + get_clocks_866, + /* adjust sdram refresh rate according to the new clock */ + sdram_adjust_866, + init_timebase, +#endif + init_baud_rate, /* initialze baudrate settings */ + serial_init, /* serial communications setup */ + console_init_f, /* stage 1 init of console */ +#if defined(CONFIG_X86) && defined(CONFIG_OF_CONTROL) + prepare_fdt, /* TODO(sjg@chromium.org): remove */ +#endif + display_options, /* say that we are here */ + display_text_info, /* show debugging info if required */ +#if defined(CONFIG_8260) + prt_8260_rsr, + prt_8260_clks, +#endif /* CONFIG_8260 */ +#if defined(CONFIG_MPC83xx) + prt_83xx_rsr, +#endif +#ifdef CONFIG_PPC + checkcpu, +#endif +#if defined(CONFIG_DISPLAY_CPUINFO) + print_cpuinfo, /* display cpu info (and speed) */ +#endif +#if defined(CONFIG_MPC5xxx) + prt_mpc5xxx_clks, +#endif /* CONFIG_MPC5xxx */ +#if defined(CONFIG_MPC8220) + prt_mpc8220_clks, +#endif +#if defined(CONFIG_DISPLAY_BOARDINFO) + checkboard, /* display board info */ +#endif + INIT_FUNC_WATCHDOG_INIT +#if defined(CONFIG_MISC_INIT_F) + misc_init_f, +#endif + INIT_FUNC_WATCHDOG_RESET +#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) + init_func_i2c, +#endif +#if defined(CONFIG_HARD_SPI) + init_func_spi, +#endif +#ifdef CONFIG_X86 + dram_init_f, /* configure available RAM banks */ + /* x86 would prefer that this happens after relocation */ + dram_init, +#endif + announce_dram_init, + /* TODO: unify all these dram functions? */ +#ifdef CONFIG_ARM + dram_init, /* configure available RAM banks */ +#endif +#ifdef CONFIG_PPC + init_func_ram, +#endif +#ifdef CONFIG_POST + post_init_f, +#endif + INIT_FUNC_WATCHDOG_RESET +#if defined(CONFIG_SYS_DRAM_TEST) + testdram, +#endif /* CONFIG_SYS_DRAM_TEST */ + INIT_FUNC_WATCHDOG_RESET + +#ifdef CONFIG_POST + init_post, +#endif + INIT_FUNC_WATCHDOG_RESET + /* + * Now that we have DRAM mapped and working, we can + * relocate the code and continue running from DRAM. + * + * Reserve memory at end of RAM for (top down in that order): + * - area that won't get touched by U-Boot and Linux (optional) + * - kernel log buffer + * - protected RAM + * - LCD framebuffer + * - monitor code + * - board info struct + */ + setup_dest_addr, +#if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR) + reserve_logbuffer, +#endif +#ifdef CONFIG_PRAM + reserve_pram, +#endif + reserve_round_4k, +#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \ + defined(CONFIG_ARM) + reserve_mmu, +#endif +#ifdef CONFIG_LCD + reserve_lcd, +#endif + /* TODO: Why the dependency on CONFIG_8xx? */ +#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) \ + && !defined(CONFIG_ARM) && !defined(CONFIG_X86) + reserve_video, +#endif + reserve_uboot, +#ifndef CONFIG_SPL_BUILD + reserve_malloc, + reserve_board, +#endif + setup_machine, + reserve_global_data, + reserve_fdt, + reserve_stacks, + setup_dram_config, + show_dram_config, +#ifdef CONFIG_PPC + setup_board_part1, + INIT_FUNC_WATCHDOG_RESET + setup_board_part2, +#endif + setup_baud_rate, + display_new_sp, +#ifdef CONFIG_SYS_EXTBDINFO + setup_board_extra, +#endif + INIT_FUNC_WATCHDOG_RESET + reloc_fdt, + setup_reloc, +#ifndef CONFIG_ARM + jump_to_copy, +#endif + NULL, +}; + +void board_init_f(ulong boot_flags) +{ +#ifndef CONFIG_X86 + gd_t data; + + gd = &data; +#endif + + gd->flags = boot_flags; + + if (initcall_run_list(init_sequence_f)) + hang(); + +#ifndef CONFIG_ARM + /* NOTREACHED - jump_to_copy() does not return */ + hang(); +#endif +} + +#ifdef CONFIG_X86 +/* + * For now this code is only used on x86. + * + * init_sequence_f_r is the list of init functions which are run when + * U-Boot is executing from Flash with a semi-limited 'C' environment. + * The following limitations must be considered when implementing an + * '_f_r' function: + * - 'static' variables are read-only + * - Global Data (gd->xxx) is read/write + * + * The '_f_r' sequence must, as a minimum, copy U-Boot to RAM (if + * supported). It _should_, if possible, copy global data to RAM and + * initialise the CPU caches (to speed up the relocation process) + * + * NOTE: At present only x86 uses this route, but it is intended that + * all archs will move to this when generic relocation is implemented. + */ +static init_fnc_t init_sequence_f_r[] = { + init_cache_f_r, + copy_uboot_to_ram, + clear_bss, + do_elf_reloc_fixups, + + NULL, +}; + +void board_init_f_r(void) +{ + if (initcall_run_list(init_sequence_f_r)) + hang(); + + /* + * U-Boot has been copied into SDRAM, the BSS has been cleared etc. + * Transfer execution from Flash to RAM by calculating the address + * of the in-RAM copy of board_init_r() and calling it + */ + (board_init_r + gd->reloc_off)(gd, gd->relocaddr); + + /* NOTREACHED - board_init_r() does not return */ + hang(); +} +#endif /* CONFIG_X86 */ + +void hang(void) +{ + puts("### ERROR ### Please RESET the board ###\n"); + for (;;); +} diff --git a/common/board_r.c b/common/board_r.c new file mode 100644 index 0000000..9605f80 --- /dev/null +++ b/common/board_r.c @@ -0,0 +1,917 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * (C) Copyright 2002-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +/* TODO: can we just include all these headers whether needed or not? */ +#if defined(CONFIG_CMD_BEDBUG) +#include <bedbug/type.h> +#endif +#ifdef CONFIG_HAS_DATAFLASH +#include <dataflash.h> +#endif +#include <environment.h> +#include <fdtdec.h> +#if defined(CONFIG_CMD_IDE) +#include <ide.h> +#endif +#include <initcall.h> +#ifdef CONFIG_PS2KBD +#include <keyboard.h> +#endif +#if defined(CONFIG_CMD_KGDB) +#include <kgdb.h> +#endif +#include <logbuff.h> +#include <malloc.h> +#ifdef CONFIG_BITBANGMII +#include <miiphy.h> +#endif +#include <mmc.h> +#include <nand.h> +#include <onenand_uboot.h> +#include <scsi.h> +#include <serial.h> +#include <spi.h> +#include <stdio_dev.h> +#include <watchdog.h> +#ifdef CONFIG_ADDR_MAP +#include <asm/mmu.h> +#endif +#include <asm/sections.h> +#ifdef CONFIG_X86 +#include <asm/init_helpers.h> +#endif +#include <linux/compiler.h> + +DECLARE_GLOBAL_DATA_PTR; + +ulong monitor_flash_len; + +int __board_flash_wp_on(void) +{ + /* + * Most flashes can't be detected when write protection is enabled, + * so provide a way to let U-Boot gracefully ignore write protected + * devices. + */ + return 0; +} + +int board_flash_wp_on(void) + __attribute__ ((weak, alias("__board_flash_wp_on"))); + +void __cpu_secondary_init_r(void) +{ +} + +void cpu_secondary_init_r(void) + __attribute__ ((weak, alias("__cpu_secondary_init_r"))); + +static int initr_secondary_cpu(void) +{ + /* + * after non-volatile devices & environment is setup and cpu code have + * another round to deal with any initialization that might require + * full access to the environment or loading of some image (firmware) + * from a non-volatile device + */ + /* TODO: maybe define this for all archs? */ + cpu_secondary_init_r(); + + return 0; +} + +static int initr_reloc(void) +{ + gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ + bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r"); + + return 0; +} + +#ifdef CONFIG_ARM +/* + * Some of these functions are needed purely because the functions they + * call return void. If we change them to return 0, these stubs can go away. + */ +static int initr_caches(void) +{ + /* Enable caches */ + enable_caches(); + return 0; +} +#endif + +__weak int fixup_cpu(void) +{ + return 0; +} + +static int initr_reloc_global_data(void) +{ +#ifdef CONFIG_SYS_SYM_OFFSETS + monitor_flash_len = _end_ofs; +#else + monitor_flash_len = (ulong)&__init_end - gd->dest_addr; +#endif +#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) + /* + * The gd->cpu pointer is set to an address in flash before relocation. + * We need to update it to point to the same CPU entry in RAM. + * TODO: why not just add gd->reloc_ofs? + */ + gd->arch.cpu += gd->dest_addr - CONFIG_SYS_MONITOR_BASE; + + /* + * If we didn't know the cpu mask & # cores, we can save them of + * now rather than 'computing' them constantly + */ + fixup_cpu(); +#endif +#ifdef CONFIG_SYS_EXTRA_ENV_RELOC + /* + * Some systems need to relocate the env_addr pointer early because the + * location it points to will get invalidated before env_relocate is + * called. One example is on systems that might use a L2 or L3 cache + * in SRAM mode and initialize that cache from SRAM mode back to being + * a cache in cpu_init_r. + */ + gd->env_addr += gd->dest_addr - CONFIG_SYS_MONITOR_BASE; +#endif + return 0; +} + +static int initr_serial(void) +{ + serial_initialize(); + return 0; +} + +#ifdef CONFIG_PPC +static int initr_trap(void) +{ + /* + * Setup trap handlers + */ + trap_init(gd->dest_addr); + + return 0; +} +#endif + +#ifdef CONFIG_ADDR_MAP +static int initr_addr_map(void) +{ + init_addr_map(); + + return 0; +} +#endif + +#ifdef CONFIG_LOGBUFFER +unsigned long logbuffer_base(void) +{ + return gd->ram_top - LOGBUFF_LEN; +} + +static int initr_logbuffer(void) +{ + logbuff_init_ptrs(); + return 0; +} +#endif + +#ifdef CONFIG_POST +static int initr_post_backlog(void) +{ + post_output_backlog(); + return 0; +} +#endif + +#ifdef CONFIG_SYS_DELAYED_ICACHE +static int initr_icache_enable(void) +{ + return 0; +} +#endif + +#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) +static int initr_unlock_ram_in_cache(void) +{ + unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ + return 0; +} +#endif + +#ifdef CONFIG_PCI +static int initr_pci(void) +{ + pci_init(); + + return 0; +} +#endif + +#ifdef CONFIG_WINBOND_83C553 +static int initr_w83c553f(void) +{ + /* + * Initialise the ISA bridge + */ + initialise_w83c553f(); + return 0; +} +#endif + +static int initr_barrier(void) +{ +#ifdef CONFIG_PPC + /* TODO: Can we not use dmb() macros for this? */ + asm("sync ; isync"); +#endif + return 0; +} + +static int initr_malloc(void) +{ + ulong malloc_start; + + /* The malloc area is immediately below the monitor copy in DRAM */ + malloc_start = gd->dest_addr - TOTAL_MALLOC_LEN; + mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN); + return 0; +} + +__weak int power_init_board(void) +{ + return 0; +} + +static int initr_announce(void) +{ + debug("Now running in RAM - U-Boot at: %08lx\n", gd->dest_addr); + return 0; +} + +#if !defined(CONFIG_SYS_NO_FLASH) +static int initr_flash(void) +{ + ulong flash_size = 0; + bd_t *bd = gd->bd; + int ok; + + puts("Flash: "); + + if (board_flash_wp_on()) { + printf("Uninitialized - Write Protect On\n"); + /* Since WP is on, we can't find real size. Set to 0 */ + ok = 1; + } else { + flash_size = flash_init(); + ok = flash_size > 0; + } + if (!ok) { + puts("*** failed ***\n"); +#ifdef CONFIG_PPC + /* Why does PPC do this? */ + hang(); +#endif + return -1; + } + print_size(flash_size, ""); +#ifdef CONFIG_SYS_FLASH_CHECKSUM + /* + * Compute and print flash CRC if flashchecksum is set to 'y' + * + * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX + */ + if (getenv_yesno("flashchecksum") == 1) { + printf(" CRC: %08X", crc32(0, + (const unsigned char *) CONFIG_SYS_FLASH_BASE, + flash_size)); + } +#endif /* CONFIG_SYS_FLASH_CHECKSUM */ + putc('\n'); + + /* update start of FLASH memory */ +#ifdef CONFIG_SYS_FLASH_BASE + bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; +#endif + /* size of FLASH memory (final value) */ + bd->bi_flashsize = flash_size; + +#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) + /* Make a update of the Memctrl. */ + update_flash_size(flash_size); +#endif + + +#if defined(CONFIG_OXC) || defined(CONFIG_RMU) + /* flash mapped at end of memory map */ + bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size; +#elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE + bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */ +#endif + return 0; +} +#endif + +#ifdef CONFIG_PPC +static int initr_spi(void) +{ + /* PPC does this here */ +#ifdef CONFIG_SPI +#if !defined(CONFIG_ENV_IS_IN_EEPROM) + spi_init_f(); +#endif + spi_init_r(); +#endif + return 0; +} +#endif + +#ifdef CONFIG_CMD_NAND +/* go init the NAND */ +int initr_nand(void) +{ + puts("NAND: "); + nand_init(); + return 0; +} +#endif + +#if defined(CONFIG_CMD_ONENAND) +/* go init the NAND */ +int initr_onenand(void) +{ + puts("NAND: "); + onenand_init(); + return 0; +} +#endif + +#ifdef CONFIG_GENERIC_MMC +int initr_mmc(void) +{ + puts("MMC: "); + mmc_initialize(gd->bd); + return 0; +} +#endif + +#ifdef CONFIG_HAS_DATAFLASH +int initr_dataflash(void) +{ + AT91F_DataflashInit(); + dataflash_print_info(); + return 0; +} +#endif + +/* + * Tell if it's OK to load the environment early in boot. + * + * If CONFIG_OF_CONFIG is defined, we'll check with the FDT to see + * if this is OK (defaulting to saying it's OK). + * + * NOTE: Loading the environment early can be a bad idea if security is + * important, since no verification is done on the environment. + * + * @return 0 if environment should not be loaded, !=0 if it is ok to load + */ +static int should_load_env(void) +{ +#ifdef CONFIG_OF_CONTROL + return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1); +#elif defined CONFIG_DELAY_ENVIRONMENT + return 0; +#else + return 1; +#endif +} + +static int initr_env(void) +{ + /* initialize environment */ + if (should_load_env()) + env_relocate(); + else + set_default_env(NULL); + + /* Initialize from environment */ + load_addr = getenv_ulong("loadaddr", 16, load_addr); +#if defined(CONFIG_SYS_EXTBDINFO) +#if defined(CONFIG_405GP) || defined(CONFIG_405EP) +#if defined(CONFIG_I2CFAST) + /* + * set bi_iic_fast for linux taking environment variable + * "i2cfast" into account + */ + { + char *s = getenv("i2cfast"); + + if (s && ((*s == 'y') || (*s == 'Y'))) { + gd->bd->bi_iic_fast[0] = 1; + gd->bd->bi_iic_fast[1] = 1; + } + } +#endif /* CONFIG_I2CFAST */ +#endif /* CONFIG_405GP, CONFIG_405EP */ +#endif /* CONFIG_SYS_EXTBDINFO */ + return 0; +} + +#ifdef CONFIG_HERMES +static int initr_hermes(void) +{ + if ((gd->board_type >> 16) == 2) + gd->bd->bi_ethspeed = gd->board_type & 0xFFFF; + else + gd->bd->bi_ethspeed = 0xFFFF; + return 0; +} + +static int initr_hermes_start(void) +{ + if (gd->bd->bi_ethspeed != 0xFFFF) + hermes_start_lxt980((int) gd->bd->bi_ethspeed); + return 0; +} +#endif + +#ifdef CONFIG_SC3 +/* TODO: with new initcalls, move this into the driver */ +extern void sc3_read_eeprom(void); + +static int initr_sc3_read_eeprom(void) +{ + sc3_read_eeprom(); + return 0; +} +#endif + +static int initr_jumptable(void) +{ + jumptable_init(); + return 0; +} + +#if defined(CONFIG_API) +static int initr_api(void) +{ + /* Initialize API */ + api_init(); + return 0; +} +#endif + +#ifdef CONFIG_DISPLAY_BOARDINFO_LATE +static int show_model_r(void) +{ + /* Put this here so it appears on the LCD, now it is ready */ +# ifdef CONFIG_OF_CONTROL + const char *model; + + model = (char *)fdt_getprop(gd->fdt_blob, 0, "model", NULL); + printf("Model: %s\n", model ? model : "<unknown>"); +# else + checkboard(); +# endif +} +#endif + +/* enable exceptions */ +#ifdef CONFIG_ARM +static int initr_enable_interrupts(void) +{ + enable_interrupts(); + return 0; +} +#endif + +#ifdef CONFIG_CMD_NET +static int initr_ethaddr(void) +{ + bd_t *bd = gd->bd; + + /* kept around for legacy kernels only ... ignore the next section */ + eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr); +#ifdef CONFIG_HAS_ETH1 + eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr); +#endif +#ifdef CONFIG_HAS_ETH2 + eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr); +#endif +#ifdef CONFIG_HAS_ETH3 + eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr); +#endif +#ifdef CONFIG_HAS_ETH4 + eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr); +#endif +#ifdef CONFIG_HAS_ETH5 + eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr); +#endif + return 0; +} +#endif /* CONFIG_CMD_NET */ + +#ifdef CONFIG_CMD_KGDB +static int initr_kgdb(void) +{ + puts("KGDB: "); + kgdb_init(); + return 0; +} +#endif + +#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) +static int initr_status_led(void) +{ + status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); + + return 0; +} +#endif + +#if defined(CONFIG_CMD_SCSI) +static int initr_scsi(void) +{ + /* Not supported properly on ARM yet */ +#ifndef CONFIG_ARM + puts("SCSI: "); + scsi_init(); +#endif + + return 0; +} +#endif /* CONFIG_CMD_NET */ + +#if defined(CONFIG_CMD_DOC) +static int initr_doc(void) +{ + puts("DOC: "); + doc_init(); +} +#endif + +#ifdef CONFIG_BITBANGMII +static int initr_bbmii(void) +{ + bb_miiphy_init(); + return 0; +} +#endif + +#ifdef CONFIG_CMD_NET +static int initr_net(void) +{ + puts("Net: "); + eth_initialize(gd->bd); +#if defined(CONFIG_RESET_PHY_R) + debug("Reset Ethernet PHY\n"); + reset_phy(); +#endif + return 0; +} +#endif + +#ifdef CONFIG_POST +static int initr_post(void) +{ + post_run(NULL, POST_RAM | post_bootmode_get(0)); + return 0; +} +#endif + +#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) +static int initr_pcmcia(void) +{ + puts("PCMCIA:"); + pcmcia_init(); + return 0; +} +#endif + +#if defined(CONFIG_CMD_IDE) +static int initr_ide(void) +{ +#ifdef CONFIG_IDE_8xx_PCCARD + puts("PCMCIA:"); +#else + puts("IDE: "); +#endif +#if defined(CONFIG_START_IDE) + if (board_start_ide()) + ide_init(); +#else + ide_init(); +#endif + return 0; +} +#endif + +#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) +/* + * Export available size of memory for Linux, taking into account the + * protected RAM at top of memory + */ +int initr_mem(void) +{ + ulong pram = 0; + char memsz[32]; + +# ifdef CONFIG_PRAM + pram = getenv_ulong("pram", 10, CONFIG_PRAM); +# endif +# if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR) + /* Also take the logbuffer into account (pram is in kB) */ + pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024; +# endif + sprintf(memsz, "%ldk", (gd->ram_size / 1024) - pram); + setenv("mem", memsz); + + return 0; +} +#endif + +#ifdef CONFIG_CMD_BEDBUG +static int initr_bedbug(void) +{ + bedbug_init(); + + return 0; +} +#endif + +#ifdef CONFIG_PS2KBD +static int initr_kbd(void) +{ + puts("PS/2: "); + kbd_init(); + return 0; +} +#endif + +#ifdef CONFIG_MODEM_SUPPORT +static int initr_modem(void) +{ + /* TODO: with new initcalls, move this into the driver */ + extern int do_mdm_init; + + do_mdm_init = gd->do_mdm_init; + return 0; +} +#endif + +static int run_main_loop(void) +{ + /* main_loop() can return to retry autoboot, if so just run it again */ + for (;;) + main_loop(); + return 0; +} + +/* + * Over time we hope to remove these functions with code fragments and + * stub funtcions, and instead call the relevant function directly. + * + * We also hope to remove most of the driver-related init and do it if/when + * the driver is later used. + * + * TODO: perhaps reset the watchdog in the initcall function after each call? + */ +init_fnc_t init_sequence_r[] = { + initr_reloc, + /* TODO: could x86/PPC have this also perhaps? */ +#ifdef CONFIG_ARM + initr_caches, + board_init, /* Setup chipselects */ +#endif + /* + * TODO: printing of the clock inforamtion of the board is now + * implemented as part of bdinfo command. Currently only support for + * davinci SOC's is added. Remove this check once all the board + * implement this. + */ +#ifdef CONFIG_CLOCKS + set_cpu_clk_info, /* Setup clock information */ +#endif +#ifdef CONFIG_X86 + init_bd_struct_r, +#endif + initr_reloc_global_data, + initr_serial, + initr_announce, + INIT_FUNC_WATCHDOG_RESET +#ifdef CONFIG_PPC + initr_trap, +#endif +#ifdef CONFIG_ADDR_MAP + initr_addr_map, +#endif +#if defined(CONFIG_BOARD_EARLY_INIT_R) + board_early_init_r, +#endif + INIT_FUNC_WATCHDOG_RESET +#ifdef CONFIG_LOGBUFFER + initr_logbuffer, +#endif +#ifdef CONFIG_POST + initr_post_backlog, +#endif + INIT_FUNC_WATCHDOG_RESET +#ifdef CONFIG_SYS_DELAYED_ICACHE + initr_icache_enable, +#endif +#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) + initr_unlock_ram_in_cache, +#endif +#if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) + /* + * Do early PCI configuration _before_ the flash gets initialised, + * because PCU ressources are crucial for flash access on some boards. + */ + initr_pci, +#endif +#ifdef CONFIG_WINBOND_83C553 + initr_w83c553f, +#endif + initr_barrier, + initr_malloc, +#ifdef CONFIG_ARCH_EARLY_INIT_R + arch_early_init_r, +#endif + power_init_board, +#ifndef CONFIG_SYS_NO_FLASH + initr_flash, +#endif + INIT_FUNC_WATCHDOG_RESET +#if defined(CONFIG_PPC) || defined(CONFIG_X86) + /* initialize higher level parts of CPU like time base and timers */ + cpu_init_r, +#endif +#ifdef CONFIG_PPC + initr_spi, +#endif +#if defined(CONFIG_X86) && defined(CONFIG_SPI) + init_func_spi, +#endif +#ifdef CONFIG_CMD_NAND + initr_nand, +#endif +#ifdef CONFIG_CMD_ONENAND + initr_onenand, +#endif +#ifdef CONFIG_GENERIC_MMC + initr_mmc, +#endif +#ifdef CONFIG_HAS_DATAFLASH + initr_dataflash, +#endif + initr_env, + INIT_FUNC_WATCHDOG_RESET + initr_secondary_cpu, +#ifdef CONFIG_SC3 + initr_sc3_read_eeprom, +#endif +#ifdef CONFIG_HERMES + initr_hermes, +#endif +#if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) + mac_read_from_eeprom, +#endif + INIT_FUNC_WATCHDOG_RESET +#if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) + /* + * Do pci configuration + */ + initr_pci, +#endif + stdio_init, + initr_jumptable, +#ifdef CONFIG_API + initr_api, +#endif + console_init_r, /* fully init console as a device */ +#ifdef CONFIG_DISPLAY_BOARDINFO_LATE + show_model_r, +#endif +#ifdef CONFIG_ARCH_MISC_INIT + arch_misc_init, /* miscellaneous arch-dependent init */ +#endif +#ifdef CONFIG_MISC_INIT_R + misc_init_r, /* miscellaneous platform-dependent init */ +#endif +#ifdef CONFIG_HERMES + initr_hermes_start, +#endif + INIT_FUNC_WATCHDOG_RESET +#ifdef CONFIG_CMD_KGDB + initr_kgdb, +#endif +#ifdef CONFIG_X86 + board_early_init_r, +#endif + interrupt_init, +#if defined(CONFIG_ARM) || defined(CONFIG_x86) + initr_enable_interrupts, +#endif +#ifdef CONFIG_X86 + timer_init, /* initialize timer */ +#endif +#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) + initr_status_led, +#endif + /* PPC has a udelay(20) here dating from 2002. Why? */ +#ifdef CONFIG_CMD_NET + initr_ethaddr, +#endif +#ifdef CONFIG_BOARD_LATE_INIT + board_late_init, +#endif +#ifdef CONFIG_CMD_SCSI + INIT_FUNC_WATCHDOG_RESET + initr_scsi, +#endif +#ifdef CONFIG_CMD_DOC + INIT_FUNC_WATCHDOG_RESET + initr_doc, +#endif +#ifdef CONFIG_BITBANGMII + initr_bbmii, +#endif +#ifdef CONFIG_CMD_NET + INIT_FUNC_WATCHDOG_RESET + initr_net, +#endif +#ifdef CONFIG_POST + initr_post, +#endif +#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) + initr_pcmcia, +#endif +#if defined(CONFIG_CMD_IDE) + initr_ide, +#endif +#ifdef CONFIG_LAST_STAGE_INIT + INIT_FUNC_WATCHDOG_RESET + /* + * Some parts can be only initialized if all others (like + * Interrupts) are up and running (i.e. the PC-style ISA + * keyboard). + */ + last_stage_init, +#endif +#ifdef CONFIG_CMD_BEDBUG + INIT_FUNC_WATCHDOG_RESET + initr_bedbug, +#endif +#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) + initr_mem, +#endif +#ifdef CONFIG_PS2KBD + initr_kbd, +#endif +#ifdef CONFIG_MODEM_SUPPORT + initr_modem, +#endif + run_main_loop, +}; + +void board_init_r(gd_t *new_gd, ulong dest_addr) +{ +#ifndef CONFIG_X86 + gd = new_gd; +#endif + if (initcall_run_list(init_sequence_r)) + hang(); + + /* NOTREACHED - run_main_loop() does not return */ + hang(); +} diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 2e93352..5d2ce00 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -88,7 +88,7 @@ static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); #include <linux/err.h> #include <nand.h> -#ifdef CONFIG_SILENT_CONSOLE +#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) static void fixup_silent_linux(void); #endif @@ -694,7 +694,7 @@ int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) bootstage_mark(BOOTSTAGE_ID_CHECK_BOOT_OS); -#ifdef CONFIG_SILENT_CONSOLE +#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) if (images.os.os == IH_OS_LINUX) fixup_silent_linux(); #endif @@ -1413,7 +1413,7 @@ U_BOOT_CMD( /*******************************************************************/ /* helper routines */ /*******************************************************************/ -#ifdef CONFIG_SILENT_CONSOLE +#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) static void fixup_silent_linux(void) { char buf[256], *start, *end; @@ -1806,7 +1806,7 @@ static int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) usb_stop(); #endif -#ifdef CONFIG_SILENT_CONSOLE +#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) fixup_silent_linux(); #endif arch_preboot_os(); diff --git a/common/cmd_df.c b/common/cmd_df.c deleted file mode 100644 index f7e5df3..0000000 --- a/common/cmd_df.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Command for accessing DataFlash. - * - * Copyright (C) 2008 Atmel Corporation - */ -#include <common.h> -#include <df.h> - -static int do_df(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - const char *cmd; - - /* need at least two arguments */ - if (argc < 2) - goto usage; - - cmd = argv[1]; - - if (strcmp(cmd, "init") == 0) { - df_init(0, 0, 1000000); - return 0; - } - - if (strcmp(cmd, "info") == 0) { - df_show_info(); - return 0; - } - -usage: - return CMD_RET_USAGE; -} - -U_BOOT_CMD( - sf, 2, 1, do_serial_flash, - "Serial flash sub-system", - "probe [bus:]cs - init flash device on given SPI bus and CS") diff --git a/common/cmd_fat.c b/common/cmd_fat.c index 86be044..0487438 100644 --- a/common/cmd_fat.c +++ b/common/cmd_fat.c @@ -49,6 +49,9 @@ U_BOOT_CMD( " If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n" " 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n" " the load stops on end of file.\n" + " If either 'pos' or 'bytes' are not aligned to\n" + " ARCH_DMA_MINALIGN then a misaligned buffer warning will\n" + " be printed and performance will suffer for the load.\n" " All numeric parameters are assumed to be hex." ); diff --git a/common/cmd_mem.c b/common/cmd_mem.c index 042c994..64dd76a 100644 --- a/common/cmd_mem.c +++ b/common/cmd_mem.c @@ -631,6 +631,7 @@ int do_mem_loopw (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) } #endif /* CONFIG_LOOPW */ +#ifdef CONFIG_CMD_MEMTEST static ulong mem_test_alt(vu_long *buf, ulong start_addr, ulong end_addr, vu_long *dummy) { @@ -1002,7 +1003,7 @@ static int do_mem_mtest(cmd_tbl_t *cmdtp, int flag, int argc, return ret; /* not reached */ } - +#endif /* CONFIG_CMD_MEMTEST */ /* Modify memory. * @@ -1240,11 +1241,13 @@ U_BOOT_CMD( ); #endif /* CONFIG_LOOPW */ +#ifdef CONFIG_CMD_MEMTEST U_BOOT_CMD( mtest, 5, 1, do_mem_mtest, "simple RAM read/write test", "[start [end [pattern [iterations]]]]" ); +#endif /* CONFIG_CMD_MEMTEST */ #ifdef CONFIG_MX_CYCLIC U_BOOT_CMD( diff --git a/common/cmd_mtdparts.c b/common/cmd_mtdparts.c index 0cfca0c..5192dee 100644 --- a/common/cmd_mtdparts.c +++ b/common/cmd_mtdparts.c @@ -1420,7 +1420,7 @@ static int delete_partition(const char *id) return 1; if (generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN) != 0) { - printf("generated mtdparts too long, reseting to null\n"); + printf("generated mtdparts too long, resetting to null\n"); return 1; } return 0; @@ -1518,7 +1518,7 @@ static int spread_partitions(void) index_partitions(); if (generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN) != 0) { - printf("generated mtdparts too long, reseting to null\n"); + printf("generated mtdparts too long, resetting to null\n"); return 1; } return 0; @@ -2016,7 +2016,7 @@ static int do_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc, } if (generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN) != 0) { - printf("generated mtdparts too long, reseting to null\n"); + printf("generated mtdparts too long, resetting to null\n"); return 1; } diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index 3a05e60..947d6c4 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -325,41 +325,50 @@ static int do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) int do_env_ask(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { char message[CONFIG_SYS_CBSIZE]; - int size = CONFIG_SYS_CBSIZE - 1; - int i, len, pos; + int i, len, pos, size; char *local_args[4]; + char *endptr; local_args[0] = argv[0]; local_args[1] = argv[1]; local_args[2] = NULL; local_args[3] = NULL; - /* Check the syntax */ - switch (argc) { - case 1: + /* + * Check the syntax: + * + * env_ask envname [message1 ...] [size] + */ + if (argc == 1) return CMD_RET_USAGE; - case 2: /* env_ask envname */ - sprintf(message, "Please enter '%s':", argv[1]); - break; - - case 3: /* env_ask envname size */ - sprintf(message, "Please enter '%s':", argv[1]); - size = simple_strtoul(argv[2], NULL, 10); - break; + /* + * We test the last argument if it can be converted + * into a decimal number. If yes, we assume it's + * the size. Otherwise we echo it as part of the + * message. + */ + i = simple_strtoul(argv[argc - 1], &endptr, 10); + if (*endptr != '\0') { /* no size */ + size = CONFIG_SYS_CBSIZE - 1; + } else { /* size given */ + size = i; + --argc; + } - default: /* env_ask envname message1 ... messagen size */ - for (i = 2, pos = 0; i < argc - 1; i++) { + if (argc <= 2) { + sprintf(message, "Please enter '%s': ", argv[1]); + } else { + /* env_ask envname message1 ... messagen [size] */ + for (i = 2, pos = 0; i < argc; i++) { if (pos) message[pos++] = ' '; strcpy(message + pos, argv[i]); pos += strlen(argv[i]); } - + message[pos++] = ' '; message[pos] = '\0'; - size = simple_strtoul(argv[argc - 1], NULL, 10); - break; } if (size >= CONFIG_SYS_CBSIZE) @@ -1168,14 +1177,7 @@ U_BOOT_CMD( askenv, CONFIG_SYS_MAXARGS, 1, do_env_ask, "get environment variables from stdin", "name [message] [size]\n" - " - get environment variable 'name' from stdin (max 'size' chars)\n" - "askenv name\n" - " - get environment variable 'name' from stdin\n" - "askenv name size\n" - " - get environment variable 'name' from stdin (max 'size' chars)\n" - "askenv name [message] size\n" - " - display 'message' string and get environment variable 'name'" - "from stdin (max 'size' chars)" + " - get environment variable 'name' from stdin (max 'size' chars)" ); #endif diff --git a/common/cmd_part.c b/common/cmd_part.c index d997597..b79f074 100644 --- a/common/cmd_part.c +++ b/common/cmd_part.c @@ -96,7 +96,7 @@ int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) U_BOOT_CMD( part, 5, 1, do_part, "disk partition related commands", - "part uuid <interface> <dev>:<part>\n" + "uuid <interface> <dev>:<part>\n" " - print partition UUID\n" "part uuid <interface> <dev>:<part> <varname>\n" " - set environment variable to partition UUID\n" diff --git a/common/main.c b/common/main.c index e2d2e09..a15f020 100644 --- a/common/main.c +++ b/common/main.c @@ -95,7 +95,7 @@ extern void mdm_init(void); /* defined in board.c */ * Watch for 'delay' seconds for autoboot stop or autoboot delay string. * returns: 0 - no key string, allow autoboot 1 - got key string, abort */ -#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) +#if defined(CONFIG_BOOTDELAY) # if defined(CONFIG_AUTOBOOT_KEYED) #ifndef CONFIG_MENU static inline @@ -279,7 +279,7 @@ int abortboot(int bootdelay) return abort; } # endif /* CONFIG_AUTOBOOT_KEYED */ -#endif /* CONFIG_BOOTDELAY >= 0 */ +#endif /* CONFIG_BOOTDELAY */ /* * Runs the given boot command securely. Specifically: @@ -295,8 +295,7 @@ int abortboot(int bootdelay) * printing the error message to console. */ -#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) && \ - defined(CONFIG_OF_CONTROL) +#if defined(CONFIG_BOOTDELAY) && defined(CONFIG_OF_CONTROL) static void secure_boot_cmd(char *cmd) { cmd_tbl_t *cmdtp; @@ -358,11 +357,10 @@ void main_loop (void) int rc = 1; int flag; #endif -#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) && \ - defined(CONFIG_OF_CONTROL) +#if defined(CONFIG_BOOTDELAY) && defined(CONFIG_OF_CONTROL) char *env; #endif -#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) +#if defined(CONFIG_BOOTDELAY) char *s; int bootdelay; #endif @@ -378,6 +376,10 @@ void main_loop (void) bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop"); +#if defined CONFIG_OF_CONTROL + set_working_fdt_addr((void *)gd->fdt_blob); +#endif /* CONFIG_OF_CONTROL */ + #ifdef CONFIG_BOOTCOUNT_LIMIT bootcount = bootcount_load(); bootcount++; @@ -431,7 +433,7 @@ void main_loop (void) update_tftp (0UL); #endif /* CONFIG_UPDATE_TFTP */ -#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) +#if defined(CONFIG_BOOTDELAY) s = getenv ("bootdelay"); bootdelay = s ? (int)simple_strtol(s, NULL, 10) : CONFIG_BOOTDELAY; @@ -500,10 +502,6 @@ void main_loop (void) #endif /* CONFIG_MENUKEY */ #endif /* CONFIG_BOOTDELAY */ -#if defined CONFIG_OF_CONTROL - set_working_fdt_addr((void *)gd->fdt_blob); -#endif /* CONFIG_OF_CONTROL */ - /* * Main Loop for Monitor Command Processing */ |