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PXA270: Added support for TrizepsIV board.

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This patch add support for the Trizeps IV module (520Mhz).

Signed-off-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
stefano babic
2007-08-30 23:01:49 +02:00
committed by Wolfgang Denk
parent 80172c6181
commit 5e5803e119
10 changed files with 1217 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
board/trizepsiv/Makefile Normal file
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#
# (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 := conxs.o eeprom.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 .depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

3
board/trizepsiv/config.mk Normal file
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TEXT_BASE =0xa1f00000
# 0xa1700000
#TEXT_BASE = 0

146
board/trizepsiv/conxs.c Normal file
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/*
* (C) Copyright 2007
* Stefano Babic, DENX Gmbh, sbabic@denx.de
*
* (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>
#include <asm/arch/pxa-regs.h>
DECLARE_GLOBAL_DATA_PTR;
#define RH_A_PSM (1 << 8) /* power switching mode */
#define RH_A_NPS (1 << 9) /* no power switching */
extern struct serial_device serial_ffuart_device;
extern struct serial_device serial_btuart_device;
extern struct serial_device serial_stuart_device;
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
void usb_board_init(void)
{
UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
UHCHR |= UHCHR_FSBIR;
while (UHCHR & UHCHR_FSBIR);
UHCHR &= ~UHCHR_SSE;
UHCHIE = (UHCHIE_UPRIE | UHCHIE_RWIE);
/* Clear any OTG Pin Hold */
if (PSSR & PSSR_OTGPH)
PSSR |= PSSR_OTGPH;
UHCRHDA &= ~(RH_A_NPS);
UHCRHDA |= RH_A_PSM;
/* Set port power control mask bits, only 3 ports. */
UHCRHDB |= (0x7<<17);
}
void usb_board_init_fail(void)
{
return;
}
void usb_board_stop(void)
{
UHCHR |= UHCHR_FHR;
udelay(11);
UHCHR &= ~UHCHR_FHR;
UHCCOMS |= 1;
udelay(10);
CKEN &= ~CKEN10_USBHOST;
puts("Called USB STOP\n");
return;
}
int board_init (void)
{
/* memory and cpu-speed are setup before relocation */
/* so we do _nothing_ here */
/* arch number of ConXS Board */
gd->bd->bi_arch_number = 776;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0xa000003c;
return 0;
}
int board_late_init(void)
{
#if defined(CONFIG_SERIAL_MULTI)
char *console=getenv("boot_console");
if ((strcmp(console,"serial_btuart") == 0) ||
(strcmp(console,"serial_stuart") == 0) ||
(strcmp(console,"serial_ffuart") == 0)) {
setenv("stdout",console);
setenv("stdin", console);
setenv("stderr",console);
} else {
setenv("stdout", "serial");
setenv("stdin", "serial");
setenv("stderr", "serial");
}
#endif
return 0;
}
struct serial_device *default_serial_console (void)
{
return &serial_ffuart_device;
}
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;
}

85
board/trizepsiv/eeprom.c Normal file
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/*
* (C) Copyright 2007
* Stefano Babic, DENX Software Engineering, sbabic@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 <common.h>
#include <command.h>
static unsigned char srom[128];
extern u16 read_srom_word(int);
extern void write_srom_word(int offset, u16 val);
static int do_read_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) {
int i;
for (i=0; i < 0x40; i++) {
if (!(i % 0x10))
printf("\n%08lx:", i);
printf(" %04x", read_srom_word(i));
}
printf ("\n");
return (0);
}
static int do_write_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) {
int offset,value;
if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
offset=simple_strtoul(argv[2],NULL,16);
value=simple_strtoul(argv[3],NULL,16);
if (offset > 0x40) {
printf("Wrong offset : 0x%x\n",offset);
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
write_srom_word(offset, value);
return (0);
}
int do_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) {
if (argc < 2) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
if (strcmp (argv[1],"read") == 0) {
return (do_read_dm9000_eeprom(cmdtp,flag,argc,argv));
} else if (strcmp (argv[1],"write") == 0) {
return (do_write_dm9000_eeprom(cmdtp,flag,argc,argv));
} else {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
}
U_BOOT_CMD(
dm9000ee,4,1,do_dm9000_eeprom,
"dm9000ee- Read/Write eeprom connected to Ethernet Controller\n",
"\ndm9000ee write <word offset> <value> \n"
"\tdm9000ee read \n"
"\tword:\t\t00-02 : MAC Address\n"
"\t\t\t03-07 : DM9000 Configuration\n"
"\t\t\t08-63 : User data\n");

503
board/trizepsiv/lowlevel_init.S Normal file
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/*
* 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, =GRER0
ldr r1, =CFG_GRER0_VAL
str r1, [r0]
ldr r0, =GRER1
ldr r1, =CFG_GRER1_VAL
str r1, [r0]
ldr r0, =GRER2
ldr r1, =CFG_GRER2_VAL
str r1, [r0]
ldr r0, =GRER3
ldr r1, =CFG_GRER3_VAL
str r1, [r0]
ldr r0, =GFER0
ldr r1, =CFG_GFER0_VAL
str r1, [r0]
ldr r0, =GFER1
ldr r1, =CFG_GFER1_VAL
str r1, [r0]
ldr r0, =GFER2
ldr r1, =CFG_GFER2_VAL
str r1, [r0]
ldr r0, =GFER3
ldr r1, =CFG_GFER3_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 <20>sec. */
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. */
#if 1
b initirqs
#endif
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

31
board/trizepsiv/pxavoltage.S Normal file
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/*
* (C) Copyright 2007
* Stefano Babic, DENX Gmbh, sbabic@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 <asm/arch/pxa-regs.h>
.global initPXAvoltage
initPXAvoltage:
mov pc, lr

56
board/trizepsiv/u-boot.lds Normal file
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@@ -0,0 +1,56 @@
/*
* (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 : { *(.bss) }
_end = .;
}