diff options
author | Adrian Filipi <adrian.filipi@eurotech.com> | 2008-07-22 18:28:11 (GMT) |
---|---|---|
committer | Wolfgang Denk <wd@denx.de> | 2008-07-29 22:26:03 (GMT) |
commit | 7610db17fd4d59c51d825488526d85ede2f06767 (patch) | |
tree | 5f45289349fe3373ad3974b7bb036c0725cd8718 /board | |
parent | f96b44cef897bd372beb86dde1b33637c119d84d (diff) | |
download | u-boot-7610db17fd4d59c51d825488526d85ede2f06767.tar.xz |
Removed support for the adsvix board.
Support for the adsvix was originally provided by Applied Data
Systems (ADS), inc., now EuroTech, Inc.
The board never shipped aside from some sample boards.
Signed-off-by: Adrian Filipi <adrian.filipi@eurotech.com>
Diffstat (limited to 'board')
-rw-r--r-- | board/adsvix/Makefile | 51 | ||||
-rw-r--r-- | board/adsvix/adsvix.c | 75 | ||||
-rw-r--r-- | board/adsvix/config.mk | 1 | ||||
-rw-r--r-- | board/adsvix/lowlevel_init.S | 466 | ||||
-rw-r--r-- | board/adsvix/pcmcia.c | 67 | ||||
-rw-r--r-- | board/adsvix/pxavoltage.S | 230 | ||||
-rw-r--r-- | board/adsvix/u-boot.lds | 56 |
7 files changed, 0 insertions, 946 deletions
diff --git a/board/adsvix/Makefile b/board/adsvix/Makefile deleted file mode 100644 index 05601b4..0000000 --- a/board/adsvix/Makefile +++ /dev/null @@ -1,51 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.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 $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).a - -COBJS := adsvix.o pcmcia.o -SOBJS := lowlevel_init.o pxavoltage.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak $(obj).depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/adsvix/adsvix.c b/board/adsvix/adsvix.c deleted file mode 100644 index c430d63..0000000 --- a/board/adsvix/adsvix.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - * (C) Copyright 2004 - * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net - * - * (C) Copyright 2002 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (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> - -DECLARE_GLOBAL_DATA_PTR; - -/* ------------------------------------------------------------------------- */ - -/* - * Miscelaneous platform dependent initialisations - */ - -int board_init (void) -{ - /* memory and cpu-speed are setup before relocation */ - /* so we do _nothing_ here */ - - /* arch number of ADSVIX-Board */ - gd->bd->bi_arch_number = 620; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0xa000003c; - - return 0; -} - -int board_late_init(void) -{ - setenv("stdout", "serial"); - setenv("stderr", "serial"); - return 0; -} - - -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - gd->bd->bi_dram[1].start = PHYS_SDRAM_2; - gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; - gd->bd->bi_dram[2].start = PHYS_SDRAM_3; - gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; - gd->bd->bi_dram[3].start = PHYS_SDRAM_4; - gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; - - return 0; -} diff --git a/board/adsvix/config.mk b/board/adsvix/config.mk deleted file mode 100644 index 98be4eb..0000000 --- a/board/adsvix/config.mk +++ /dev/null @@ -1 +0,0 @@ -TEXT_BASE = 0xa1700000 diff --git a/board/adsvix/lowlevel_init.S b/board/adsvix/lowlevel_init.S deleted file mode 100644 index 8dea71c..0000000 --- a/board/adsvix/lowlevel_init.S +++ /dev/null @@ -1,466 +0,0 @@ -/* - * This was originally from the Lubbock u-boot port. - * - * Most of this taken from Redboot hal_platform_setup.h with cleanup - * - * NOTE: I haven't clean this up considerably, just enough to get it - * running. See hal_platform_setup.h for the source. See - * board/cradle/lowlevel_init.S for another PXA250 setup that is - * much cleaner. - * - * 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 <config.h> -#include <version.h> -#include <asm/arch/pxa-regs.h> - -/* wait for coprocessor write complete */ - .macro CPWAIT reg - mrc p15,0,\reg,c2,c0,0 - mov \reg,\reg - sub pc,pc,#4 - .endm - - -/* - * Memory setup - */ - -.globl lowlevel_init -lowlevel_init: - - /* Set up GPIO pins first ----------------------------------------- */ - - ldr r0, =GPSR0 - ldr r1, =CFG_GPSR0_VAL - str r1, [r0] - - ldr r0, =GPSR1 - ldr r1, =CFG_GPSR1_VAL - str r1, [r0] - - ldr r0, =GPSR2 - ldr r1, =CFG_GPSR2_VAL - str r1, [r0] - - ldr r0, =GPSR3 - ldr r1, =CFG_GPSR3_VAL - str r1, [r0] - - ldr r0, =GPCR0 - ldr r1, =CFG_GPCR0_VAL - str r1, [r0] - - ldr r0, =GPCR1 - ldr r1, =CFG_GPCR1_VAL - str r1, [r0] - - ldr r0, =GPCR2 - ldr r1, =CFG_GPCR2_VAL - str r1, [r0] - - ldr r0, =GPCR3 - ldr r1, =CFG_GPCR3_VAL - str r1, [r0] - - ldr r0, =GPDR0 - ldr r1, =CFG_GPDR0_VAL - str r1, [r0] - - ldr r0, =GPDR1 - ldr r1, =CFG_GPDR1_VAL - str r1, [r0] - - ldr r0, =GPDR2 - ldr r1, =CFG_GPDR2_VAL - str r1, [r0] - - ldr r0, =GPDR3 - ldr r1, =CFG_GPDR3_VAL - str r1, [r0] - - ldr r0, =GAFR0_L - ldr r1, =CFG_GAFR0_L_VAL - str r1, [r0] - - ldr r0, =GAFR0_U - ldr r1, =CFG_GAFR0_U_VAL - str r1, [r0] - - ldr r0, =GAFR1_L - ldr r1, =CFG_GAFR1_L_VAL - str r1, [r0] - - ldr r0, =GAFR1_U - ldr r1, =CFG_GAFR1_U_VAL - str r1, [r0] - - ldr r0, =GAFR2_L - ldr r1, =CFG_GAFR2_L_VAL - str r1, [r0] - - ldr r0, =GAFR2_U - ldr r1, =CFG_GAFR2_U_VAL - str r1, [r0] - - ldr r0, =GAFR3_L - ldr r1, =CFG_GAFR3_L_VAL - str r1, [r0] - - ldr r0, =GAFR3_U - ldr r1, =CFG_GAFR3_U_VAL - str r1, [r0] - - ldr r0, =PSSR /* enable GPIO pins */ - ldr r1, =CFG_PSSR_VAL - str r1, [r0] - - /* ---------------------------------------------------------------- */ - /* Enable memory interface */ - /* */ - /* The sequence below is based on the recommended init steps */ - /* detailed in the Intel PXA250 Operating Systems Developers Guide, */ - /* Chapter 10. */ - /* ---------------------------------------------------------------- */ - - /* ---------------------------------------------------------------- */ - /* Step 1: Wait for at least 200 microsedonds to allow internal */ - /* clocks to settle. Only necessary after hard reset... */ - /* FIXME: can be optimized later */ - /* ---------------------------------------------------------------- */ - - ldr r3, =OSCR /* reset the OS Timer Count to zero */ - mov r2, #0 - str r2, [r3] - ldr r4, =0x300 /* really 0x2E1 is about 200usec, */ - /* so 0x300 should be plenty */ -1: - ldr r2, [r3] - cmp r4, r2 - bgt 1b - -mem_init: - - ldr r1, =MEMC_BASE /* get memory controller base addr. */ - - /* ---------------------------------------------------------------- */ - /* Step 2a: Initialize Asynchronous static memory controller */ - /* ---------------------------------------------------------------- */ - - /* MSC registers: timing, bus width, mem type */ - - /* MSC0: nCS(0,1) */ - ldr r2, =CFG_MSC0_VAL - str r2, [r1, #MSC0_OFFSET] - ldr r2, [r1, #MSC0_OFFSET] /* read back to ensure */ - /* that data latches */ - /* MSC1: nCS(2,3) */ - ldr r2, =CFG_MSC1_VAL - str r2, [r1, #MSC1_OFFSET] - ldr r2, [r1, #MSC1_OFFSET] - - /* MSC2: nCS(4,5) */ - ldr r2, =CFG_MSC2_VAL - str r2, [r1, #MSC2_OFFSET] - ldr r2, [r1, #MSC2_OFFSET] - - /* ---------------------------------------------------------------- */ - /* Step 2b: Initialize Card Interface */ - /* ---------------------------------------------------------------- */ - - /* MECR: Memory Expansion Card Register */ - ldr r2, =CFG_MECR_VAL - str r2, [r1, #MECR_OFFSET] - ldr r2, [r1, #MECR_OFFSET] - - /* MCMEM0: Card Interface slot 0 timing */ - ldr r2, =CFG_MCMEM0_VAL - str r2, [r1, #MCMEM0_OFFSET] - ldr r2, [r1, #MCMEM0_OFFSET] - - /* MCMEM1: Card Interface slot 1 timing */ - ldr r2, =CFG_MCMEM1_VAL - str r2, [r1, #MCMEM1_OFFSET] - ldr r2, [r1, #MCMEM1_OFFSET] - - /* MCATT0: Card Interface Attribute Space Timing, slot 0 */ - ldr r2, =CFG_MCATT0_VAL - str r2, [r1, #MCATT0_OFFSET] - ldr r2, [r1, #MCATT0_OFFSET] - - /* MCATT1: Card Interface Attribute Space Timing, slot 1 */ - ldr r2, =CFG_MCATT1_VAL - str r2, [r1, #MCATT1_OFFSET] - ldr r2, [r1, #MCATT1_OFFSET] - - /* MCIO0: Card Interface I/O Space Timing, slot 0 */ - ldr r2, =CFG_MCIO0_VAL - str r2, [r1, #MCIO0_OFFSET] - ldr r2, [r1, #MCIO0_OFFSET] - - /* MCIO1: Card Interface I/O Space Timing, slot 1 */ - ldr r2, =CFG_MCIO1_VAL - str r2, [r1, #MCIO1_OFFSET] - ldr r2, [r1, #MCIO1_OFFSET] - - /* ---------------------------------------------------------------- */ - /* Step 2c: Write FLYCNFG FIXME: what's that??? */ - /* ---------------------------------------------------------------- */ - ldr r2, =CFG_FLYCNFG_VAL - str r2, [r1, #FLYCNFG_OFFSET] - str r2, [r1, #FLYCNFG_OFFSET] - - /* ---------------------------------------------------------------- */ - /* Step 2d: Initialize Timing for Sync Memory (SDCLK0) */ - /* ---------------------------------------------------------------- */ - - /* Before accessing MDREFR we need a valid DRI field, so we set */ - /* this to power on defaults + DRI field. */ - - ldr r4, [r1, #MDREFR_OFFSET] - ldr r2, =0xFFF - bic r4, r4, r2 - - ldr r3, =CFG_MDREFR_VAL - and r3, r3, r2 - - orr r4, r4, r3 - str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ - - orr r4, r4, #MDREFR_K0RUN - orr r4, r4, #MDREFR_K0DB4 - orr r4, r4, #MDREFR_K0FREE - orr r4, r4, #MDREFR_K0DB2 - orr r4, r4, #MDREFR_K1DB2 - bic r4, r4, #MDREFR_K1FREE - bic r4, r4, #MDREFR_K2FREE - - str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ - ldr r4, [r1, #MDREFR_OFFSET] - - /* Note: preserve the mdrefr value in r4 */ - - - /* ---------------------------------------------------------------- */ - /* Step 3: Initialize Synchronous Static Memory (Flash/Peripherals) */ - /* ---------------------------------------------------------------- */ - - /* Initialize SXCNFG register. Assert the enable bits */ - - /* Write SXMRS to cause an MRS command to all enabled banks of */ - /* synchronous static memory. Note that SXLCR need not be written */ - /* at this time. */ - - ldr r2, =CFG_SXCNFG_VAL - str r2, [r1, #SXCNFG_OFFSET] - - /* ---------------------------------------------------------------- */ - /* Step 4: Initialize SDRAM */ - /* ---------------------------------------------------------------- */ - - bic r4, r4, #(MDREFR_K2FREE |MDREFR_K1FREE | MDREFR_K0FREE) - - orr r4, r4, #MDREFR_K1RUN - bic r4, r4, #MDREFR_K2DB2 - str r4, [r1, #MDREFR_OFFSET] - ldr r4, [r1, #MDREFR_OFFSET] - - bic r4, r4, #MDREFR_SLFRSH - str r4, [r1, #MDREFR_OFFSET] - ldr r4, [r1, #MDREFR_OFFSET] - - orr r4, r4, #MDREFR_E1PIN - str r4, [r1, #MDREFR_OFFSET] - ldr r4, [r1, #MDREFR_OFFSET] - - nop - nop - - - /* Step 4d: write MDCNFG with MDCNFG:DEx deasserted (set to 0), to */ - /* configure but not enable each SDRAM partition pair. */ - - ldr r4, =CFG_MDCNFG_VAL - bic r4, r4, #(MDCNFG_DE0|MDCNFG_DE1) - bic r4, r4, #(MDCNFG_DE2|MDCNFG_DE3) - - str r4, [r1, #MDCNFG_OFFSET] /* write back MDCNFG */ - ldr r4, [r1, #MDCNFG_OFFSET] - - - /* Step 4e: Wait for the clock to the SDRAMs to stabilize, */ - /* 100..200 µsec. */ - - ldr r3, =OSCR /* reset the OS Timer Count to zero */ - mov r2, #0 - str r2, [r3] - ldr r4, =0x300 /* really 0x2E1 is about 200usec, */ - /* so 0x300 should be plenty */ -1: - ldr r2, [r3] - cmp r4, r2 - bgt 1b - - - /* Step 4f: Trigger a number (usually 8) refresh cycles by */ - /* attempting non-burst read or write accesses to disabled */ - /* SDRAM, as commonly specified in the power up sequence */ - /* documented in SDRAM data sheets. The address(es) used */ - /* for this purpose must not be cacheable. */ - - ldr r3, =CFG_DRAM_BASE - str r2, [r3] - str r2, [r3] - str r2, [r3] - str r2, [r3] - str r2, [r3] - str r2, [r3] - str r2, [r3] - str r2, [r3] - - - /* Step 4g: Write MDCNFG with enable bits asserted */ - /* (MDCNFG:DEx set to 1). */ - - ldr r3, [r1, #MDCNFG_OFFSET] - mov r4, r3 - orr r3, r3, #MDCNFG_DE0 - str r3, [r1, #MDCNFG_OFFSET] - mov r0, r3 - - /* Step 4h: Write MDMRS. */ - - ldr r2, =CFG_MDMRS_VAL - str r2, [r1, #MDMRS_OFFSET] - - /* enable APD */ - ldr r3, [r1, #MDREFR_OFFSET] - orr r3, r3, #MDREFR_APD - str r3, [r1, #MDREFR_OFFSET] - - /* We are finished with Intel's memory controller initialisation */ - -setvoltage: - - mov r10, lr - bl initPXAvoltage /* In case the board is rebooting with a */ - mov lr, r10 /* low voltage raise it up to a good one. */ - -wakeup: - /* Are we waking from sleep? */ - ldr r0, =RCSR - ldr r1, [r0] - and r1, r1, #(RCSR_GPR | RCSR_SMR | RCSR_WDR | RCSR_HWR) - str r1, [r0] - teq r1, #RCSR_SMR - - bne initirqs - - ldr r0, =PSSR - mov r1, #PSSR_PH - str r1, [r0] - - /* if so, resume at PSPR */ - ldr r0, =PSPR - ldr r1, [r0] - mov pc, r1 - - /* ---------------------------------------------------------------- */ - /* Disable (mask) all interrupts at interrupt controller */ - /* ---------------------------------------------------------------- */ - -initirqs: - - mov r1, #0 /* clear int. level register (IRQ, not FIQ) */ - ldr r2, =ICLR - str r1, [r2] - - ldr r2, =ICMR /* mask all interrupts at the controller */ - str r1, [r2] - - /* ---------------------------------------------------------------- */ - /* Clock initialisation */ - /* ---------------------------------------------------------------- */ - -initclks: - - /* Disable the peripheral clocks, and set the core clock frequency */ - - /* Turn Off on-chip peripheral clocks (except for memory) */ - /* for re-configuration. */ - ldr r1, =CKEN - ldr r2, =CFG_CKEN - str r2, [r1] - - /* ... and write the core clock config register */ - ldr r2, =CFG_CCCR - ldr r1, =CCCR - str r2, [r1] - - /* Turn on turbo mode */ - mrc p14, 0, r2, c6, c0, 0 - orr r2, r2, #0xB /* Turbo, Fast-Bus, Freq change**/ - mcr p14, 0, r2, c6, c0, 0 - - /* Re-write MDREFR */ - ldr r1, =MEMC_BASE - ldr r2, [r1, #MDREFR_OFFSET] - str r2, [r1, #MDREFR_OFFSET] -#ifdef RTC - /* enable the 32Khz oscillator for RTC and PowerManager */ - ldr r1, =OSCC - mov r2, #OSCC_OON - str r2, [r1] - - /* NOTE: spin here until OSCC.OOK get set, meaning the PLL */ - /* has settled. */ -60: - ldr r2, [r1] - ands r2, r2, #1 - beq 60b -#else -#error "RTC not defined" -#endif - - /* Interrupt init: Mask all interrupts */ - ldr r0, =ICMR /* enable no sources */ - mov r1, #0 - str r1, [r0] - /* FIXME */ - -#ifdef NODEBUG - /*Disable software and data breakpoints */ - mov r0,#0 - mcr p15,0,r0,c14,c8,0 /* ibcr0 */ - mcr p15,0,r0,c14,c9,0 /* ibcr1 */ - mcr p15,0,r0,c14,c4,0 /* dbcon */ - - /*Enable all debug functionality */ - mov r0,#0x80000000 - mcr p14,0,r0,c10,c0,0 /* dcsr */ -#endif - - /* ---------------------------------------------------------------- */ - /* End lowlevel_init */ - /* ---------------------------------------------------------------- */ - -endlowlevel_init: - - mov pc, lr diff --git a/board/adsvix/pcmcia.c b/board/adsvix/pcmcia.c deleted file mode 100644 index ba5be01..0000000 --- a/board/adsvix/pcmcia.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * (C) Copyright 2004 - * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net - * - * 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 <asm/arch/pxa-regs.h> - -void pcmcia_power_on(void) -{ -#if 0 - if (!(GPLR(20) & GPIO_bit(20))) { /* 3.3V */ - GPCR(81) = GPIO_bit(81); - GPSR(82) = GPIO_bit(82); - } - else if (!(GPLR(21) & GPIO_bit(21))) { /* 5.0V */ - GPCR(81) = GPIO_bit(81); - GPCR(82) = GPIO_bit(82); - } -#else -#warning "Board will only supply 5V, wait for next HW spin for selectable power" - /* 5.0V */ - GPCR(81) = GPIO_bit(81); - GPCR(82) = GPIO_bit(82); -#endif - - udelay(300000); - - /* reset the card */ - GPSR(52) = GPIO_bit(52); - - /* enable PCMCIA */ - GPCR(83) = GPIO_bit(83); - - /* clear reset */ - udelay(10); - GPCR(52) = GPIO_bit(52); - - udelay(20000); -} - -void pcmcia_power_off(void) -{ - /* 0V */ - GPSR(81) = GPIO_bit(81); - GPSR(82) = GPIO_bit(82); - /* disable PCMCIA */ - GPSR(83) = GPIO_bit(83); -} diff --git a/board/adsvix/pxavoltage.S b/board/adsvix/pxavoltage.S deleted file mode 100644 index 2fe1cab..0000000 --- a/board/adsvix/pxavoltage.S +++ /dev/null @@ -1,230 +0,0 @@ -/* - * (C) Copyright 2004 - * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net - * - * 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 <asm/arch/pxa-regs.h> - -#define LTC1663_ADDR 0x20 - -#define LTC1663_SY 0x01 /* Sync ACK */ -#define LTC1663_SD 0x04 /* shutdown */ -#define LTC1663_BG 0x04 /* Internal Voltage Ref */ - -#define VOLT_1_55 18 /* DAC value for 1.55V */ - - .global initPXAvoltage - -@ Set the voltage to 1.55V early in the boot process so we can run -@ at a high clock speed and boot quickly. Note that this is necessary -@ because the reset button does not reset the CPU voltage, so if the -@ voltage was low (say 0.85V) then the CPU would crash without this -@ routine - -@ This routine clobbers r0-r4 - -initializei2c: - - ldr r2, =CKEN - ldr r3, [r2] - orr r3, r3, #CKEN15_PWRI2C - str r3, [r2] - - ldr r2, =PCFR - ldr r3, [r2] - orr r3, r3, #PCFR_PI2C_EN - str r3, [r2] - - /* delay for about 250msec - */ - ldr r3, =OSCR - mov r2, #0 - str r2, [r3] - ldr r1, =0xC0000 - -1: - ldr r2, [r3] - cmp r1, r2 - bgt 1b - ldr r0, =PWRICR - ldr r1, [r0] - bic r1, r1, #(ICR_MA | ICR_START | ICR_STOP) - str r1, [r0] - - orr r1, r1, #ICR_UR - str r1, [r0] - - ldr r2, =PWRISR - ldr r3, =0x7ff - str r3, [r2] - - bic r1, r1, #ICR_UR - str r1, [r0] - - mov r1, #(ICR_GCD | ICR_SCLE) - str r1, [r0] - - orr r1, r1, #ICR_IUE - str r1, [r0] - - orr r1, r1, #ICR_FM - str r1, [r0] - - /* delay for about 1msec - */ - ldr r3, =OSCR - mov r2, #0 - str r2, [r3] - ldr r1, =0xC00 - -1: - ldr r2, [r3] - cmp r1, r2 - bgt 1b - mov pc, lr - -sendbytei2c: - ldr r3, =PWRIDBR - str r0, [r3] - ldr r3, =PWRICR - ldr r0, [r3] - orr r0, r0, r1 - bic r0, r0, r2 - str r0, [r3] - orr r0, r0, #ICR_TB - str r0, [r3] - - mov r2, #0x100000 - -waitfortxemptyi2c: - - ldr r0, =PWRISR - ldr r1, [r0] - - /* take it from the top if we don't get empty after a while */ - subs r2, r2, #1 - moveq lr, r4 - beq initPXAvoltage - - tst r1, #ISR_ITE - - beq waitfortxemptyi2c - - orr r1, r1, #ISR_ITE - str r1, [r0] - - mov pc, lr - -initPXAvoltage: - - mov r4, lr - - bl setleds - - bl initializei2c - - bl setleds - - /* now send the real message to set the correct voltage */ - ldr r0, =LTC1663_ADDR - mov r0, r0, LSL #1 - mov r1, #ICR_START - ldr r2, =(ICR_STOP | ICR_ALDIE | ICR_ACKNAK) - bl sendbytei2c - - bl setleds - - mov r0, #LTC1663_BG - mov r1, #0 - mov r2, #(ICR_STOP | ICR_START) - bl sendbytei2c - - bl setleds - - ldr r0, =VOLT_1_55 - and r0, r0, #0xff - mov r1, #0 - mov r2, #(ICR_STOP | ICR_START) - bl sendbytei2c - - bl setleds - - ldr r0, =VOLT_1_55 - mov r0, r0, ASR #8 - and r0, r0, #0xff - mov r1, #ICR_STOP - mov r2, #ICR_START - bl sendbytei2c - - bl setleds - - @ delay a little for the volatage to stablize - ldr r3, =OSCR - mov r2, #0 - str r2, [r3] - ldr r1, =0xC0 - -1: - ldr r2, [r3] - cmp r1, r2 - bgt 1b - mov pc, r4 - -setleds: - mov pc, lr - - ldr r5, =0x40e00058 - ldr r3, [r5] - bic r3, r3, #0x3 - str r3, [r5] - ldr r5, =0x40e0000c - ldr r3, [r5] - orr r3, r3, #0x00010000 - str r3, [r5] - - @ inner loop - mov r0, #0x2 -1: - - ldr r5, =0x40e00018 - mov r3, #0x00010000 - str r3, [r5] - - @ outer loop - mov r3, #0x00F00000 -2: - subs r3, r3, #1 - bne 2b - - ldr r5, =0x40e00024 - mov r3, #0x00010000 - str r3, [r5] - - @ outer loop - mov r3, #0x00F00000 -3: - subs r3, r3, #1 - bne 3b - - subs r0, r0, #1 - bne 1b - - mov pc, lr diff --git a/board/adsvix/u-boot.lds b/board/adsvix/u-boot.lds deleted file mode 100644 index 14d264a..0000000 --- a/board/adsvix/u-boot.lds +++ /dev/null @@ -1,56 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.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 - */ - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - . = 0x00000000; - - . = ALIGN(4); - .text : - { - cpu/pxa/start.o (.text) - *(.text) - } - - . = ALIGN(4); - .rodata : { *(.rodata) } - - . = ALIGN(4); - .data : { *(.data) } - - . = ALIGN(4); - .got : { *(.got) } - - . = .; - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - . = ALIGN(4); - __bss_start = .; - .bss (NOLOAD) : { *(.bss) } - _end = .; -} |