diff options
Diffstat (limited to 'board/adsvix')
| -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 = .; -} |