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Merge with /home/stefan/git/u-boot/zeus

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This commit is contained in:
Stefan Roese
2007-08-14 15:00:42 +02:00
parent 273db7e1bd 779e975117
commit 34886bbea2
32 changed files with 4149 additions and 43 deletions
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13
board/amcc/bubinga/bubinga.c
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@@ -20,10 +20,12 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
long int spd_sdram(void);
#include <common.h>
#include <asm/processor.h>
#include <asm/io.h>
long int spd_sdram(void);
int board_early_init_f(void)
{
@@ -34,6 +36,15 @@ int board_early_init_f(void)
mtdcr(uictr, 0x00000010); /* set int trigger levels */
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
/*
* Configure CPC0_PCI to enable PerWE as output
* and enable the internal PCI arbiter if selected
*/
if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB)
mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
else
mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN);
return 0;
}

49
board/amcc/taihu/Makefile Normal file
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@@ -0,0 +1,49 @@
#
# (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 = $(BOARD).o flash.o lcd.o update.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
$(LIB): $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
clean:
rm -f $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

24
board/amcc/taihu/config.mk Normal file
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@@ -0,0 +1,24 @@
#
# (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
#
TEXT_BASE = 0xFFFC0000

1083
board/amcc/taihu/flash.c Normal file
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File diff suppressed because it is too large Load Diff

257
board/amcc/taihu/lcd.c Normal file
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@@ -0,0 +1,257 @@
/*
* 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 <common.h>
#include <command.h>
#include <asm/io.h>
#include <asm/gpio.h>
#define LCD_CMD_ADDR 0x50100002
#define LCD_DATA_ADDR 0x50100003
#define LCD_BLK_CTRL CPLD_REG1_ADDR
static char *amcc_logo = "AMCC 405EP TAIHU EVALUATION KIT";
static int addr_flag = 0x80;
static void lcd_bl_ctrl(char val)
{
out_8((u8 *) LCD_BLK_CTRL, in_8((u8 *) LCD_BLK_CTRL) | val);
}
static void lcd_putc(int val)
{
int i = 100;
char addr;
while (i--) {
if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/
udelay(50);
break;
}
udelay(50);
}
if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) {
printf("LCD is busy\n");
return;
}
addr = in_8((u8 *) LCD_CMD_ADDR);
udelay(50);
if ((addr != 0) && (addr % 0x10 == 0)) {
addr_flag ^= 0x40;
out_8((u8 *) LCD_CMD_ADDR, addr_flag);
}
udelay(50);
out_8((u8 *) LCD_DATA_ADDR, val);
udelay(50);
}
static void lcd_puts(char *s)
{
char *p = s;
int i = 100;
while (i--) {
if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/
udelay(50);
break;
}
udelay(50);
}
if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) {
printf("LCD is busy\n");
return;
}
while (*p)
lcd_putc(*p++);
}
static void lcd_put_logo(void)
{
int i = 100;
char *p = amcc_logo;
while (i--) {
if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/
udelay(50);
break;
}
udelay(50);
}
if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) {
printf("LCD is busy\n");
return;
}
out_8((u8 *) LCD_CMD_ADDR, 0x80);
while (*p)
lcd_putc(*p++);
}
int lcd_init(void)
{
puts("LCD: ");
out_8((u8 *) LCD_CMD_ADDR, 0x38); /* set function:8-bit,2-line,5x7 font type */
udelay(50);
out_8((u8 *) LCD_CMD_ADDR, 0x0f); /* set display on,cursor on,blink on */
udelay(50);
out_8((u8 *) LCD_CMD_ADDR, 0x01); /* display clear */
udelay(2000);
out_8((u8 *) LCD_CMD_ADDR, 0x06); /* set entry */
udelay(50);
lcd_bl_ctrl(0x02); /* set backlight on */
lcd_put_logo();
puts("ready\n");
return 0;
}
static int do_lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
out_8((u8 *) LCD_CMD_ADDR, 0x01);
udelay(2000);
return 0;
}
static int do_lcd_puts (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
if (argc < 2) {
printf("%s", cmdtp->usage);
return 1;
}
lcd_puts(argv[1]);
return 0;
}
static int do_lcd_putc (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
if (argc < 2) {
printf("%s", cmdtp->usage);
return 1;
}
lcd_putc((char)argv[1][0]);
return 0;
}
static int do_lcd_cur (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
ulong count;
ulong dir;
char cur_addr;
if (argc < 3) {
printf("%s", cmdtp->usage);
return 1;
}
count = simple_strtoul(argv[1], NULL, 16);
if (count > 31) {
printf("unable to shift > 0x20\n");
count = 0;
}
dir = simple_strtoul(argv[2], NULL, 16);
cur_addr = in_8((u8 *) LCD_CMD_ADDR);
udelay(50);
if (dir == 0x0) {
if (addr_flag == 0x80) {
if (count >= (cur_addr & 0xf)) {
out_8((u8 *) LCD_CMD_ADDR, 0x80);
udelay(50);
count = 0;
}
} else {
if (count >= ((cur_addr & 0x0f) + 0x0f)) {
out_8((u8 *) LCD_CMD_ADDR, 0x80);
addr_flag = 0x80;
udelay(50);
count = 0x0;
} else if (count >= ( cur_addr & 0xf)) {
count -= cur_addr & 0xf ;
out_8((u8 *) LCD_CMD_ADDR, 0x80 | 0xf);
addr_flag = 0x80;
udelay(50);
}
}
} else {
if (addr_flag == 0x80) {
if (count >= (0x1f - (cur_addr & 0xf))) {
count = 0x0;
addr_flag = 0xc0;
out_8((u8 *) LCD_CMD_ADDR, 0xc0 | 0xf);
udelay(50);
} else if ((count + (cur_addr & 0xf ))>= 0x0f) {
count = count + (cur_addr & 0xf) - 0x0f;
addr_flag = 0xc0;
out_8((u8 *) LCD_CMD_ADDR, 0xc0);
udelay(50);
}
} else if ((count + (cur_addr & 0xf )) >= 0x0f) {
count = 0x0;
out_8((u8 *) LCD_CMD_ADDR, 0xC0 | 0x0F);
udelay(50);
}
}
while (count--) {
if (dir == 0)
out_8((u8 *) LCD_CMD_ADDR, 0x10);
else
out_8((u8 *) LCD_CMD_ADDR, 0x14);
udelay(50);
}
return 0;
}
U_BOOT_CMD(
lcd_cls, 1, 1, do_lcd_clear,
"lcd_cls - lcd clear display\n",
NULL
);
U_BOOT_CMD(
lcd_puts, 2, 1, do_lcd_puts,
"lcd_puts - display string on lcd\n",
"<string> - <string> to be displayed\n"
);
U_BOOT_CMD(
lcd_putc, 2, 1, do_lcd_putc,
"lcd_putc - display char on lcd\n",
"<char> - <char> to be displayed\n"
);
U_BOOT_CMD(
lcd_cur, 3, 1, do_lcd_cur,
"lcd_cur - shift cursor on lcd\n",
"<count> <dir> - shift cursor on lcd <count> times, direction is <dir> \n"
" <count> - 0..31\n"
" <dir> - 0=backward 1=forward\n"
);

240
board/amcc/taihu/taihu.c Normal file
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@@ -0,0 +1,240 @@
/*
* (C) Copyright 2000-2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2005-2007
* Beijing UD Technology Co., Ltd., taihusupport@amcc.com
*
* 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>
#include <asm/processor.h>
#include <asm/io.h>
#include <spi.h>
#include <asm/gpio.h>
extern int lcd_init(void);
/*
* board_early_init_f
*/
int board_early_init_f(void)
{
lcd_init();
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
mtdcr(uicer, 0x00000000); /* disable all ints */
mtdcr(uiccr, 0x00000000);
mtdcr(uicpr, 0xFFFF7F00); /* set int polarities */
mtdcr(uictr, 0x00000000); /* set int trigger levels */
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
mtebc(pb3ap, CFG_EBC_PB3AP); /* memory bank 3 (CPLD_LCM) initialization */
mtebc(pb3cr, CFG_EBC_PB3CR);
/*
* Configure CPC0_PCI to enable PerWE as output
* and enable the internal PCI arbiter
*/
mtdcr(cpc0_pci, CPC0_PCI_SPE | CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
return 0;
}
/*
* Check Board Identity:
*/
int checkboard(void)
{
char *s = getenv("serial#");
puts("Board: Taihu - AMCC PPC405EP Evaluation Board");
if (s != NULL) {
puts(", serial# ");
puts(s);
}
putc('\n');
return 0;
}
/*************************************************************************
* long int initdram
*
************************************************************************/
long int initdram(int board)
{
return CFG_SDRAM_SIZE_PER_BANK * CFG_SDRAM_BANKS; /* 128Mbytes */
}
static int do_sw_stat(cmd_tbl_t* cmd_tp, int flags, int argc, char *argv[])
{
char stat;
int i;
stat = in_8((u8 *) CPLD_REG0_ADDR);
printf("SW2 status: ");
for (i=0; i<4; i++) /* 4-position */
printf("%d:%s ", i, stat & (0x08 >> i)?"on":"off");
printf("\n");
return 0;
}
U_BOOT_CMD (
sw2_stat, 1, 1, do_sw_stat,
"sw2_stat - show status of switch 2\n",
NULL
);
static int do_led_ctl(cmd_tbl_t* cmd_tp, int flags, int argc, char *argv[])
{
int led_no;
if (argc != 3) {
printf("%s", cmd_tp->usage);
return -1;
}
led_no = simple_strtoul(argv[1], NULL, 16);
if (led_no != 1 && led_no != 2) {
printf("%s", cmd_tp->usage);
return -1;
}
if (strcmp(argv[2],"off") == 0x0) {
if (led_no == 1)
gpio_write_bit(30, 1);
else
gpio_write_bit(31, 1);
} else if (strcmp(argv[2],"on") == 0x0) {
if (led_no == 1)
gpio_write_bit(30, 0);
else
gpio_write_bit(31, 0);
} else {
printf("%s", cmd_tp->usage);
return -1;
}
return 0;
}
U_BOOT_CMD (
led_ctl, 3, 1, do_led_ctl,
"led_ctl - make led 1 or 2 on or off\n",
"<led_no> <on/off> - make led <led_no> on/off,\n"
"\tled_no is 1 or 2\t"
);
#define SPI_CS_GPIO0 0
#define SPI_SCLK_GPIO14 14
#define SPI_DIN_GPIO15 15
#define SPI_DOUT_GPIO16 16
void spi_scl(int bit)
{
gpio_write_bit(SPI_SCLK_GPIO14, bit);
}
void spi_sda(int bit)
{
gpio_write_bit(SPI_DOUT_GPIO16, bit);
}
unsigned char spi_read(void)
{
return (unsigned char)gpio_read_out_bit(SPI_DIN_GPIO15);
}
void taihu_spi_chipsel(int cs)
{
gpio_write_bit(SPI_CS_GPIO0, cs);
}
spi_chipsel_type spi_chipsel[]= {
taihu_spi_chipsel
};
int spi_chipsel_cnt = sizeof(spi_chipsel) / sizeof(spi_chipsel[0]);
#ifdef CONFIG_PCI
static unsigned char int_lines[32] = {
29, 30, 27, 28, 29, 30, 25, 27,
29, 30, 27, 28, 29, 30, 27, 28,
29, 30, 27, 28, 29, 30, 27, 28,
29, 30, 27, 28, 29, 30, 27, 28};
static void taihu_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
{
unsigned char int_line = int_lines[PCI_DEV(dev) & 31];
pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line);
}
int pci_pre_init(struct pci_controller *hose)
{
hose->fixup_irq = taihu_pci_fixup_irq;
return 1;
}
#endif /* CONFIG_PCI */
#ifdef CFG_DRAM_TEST
int testdram(void)
{
unsigned long *mem = (unsigned long *)0;
const unsigned long kend = (1024 / sizeof(unsigned long));
unsigned long k, n;
unsigned long msr;
unsigned long total_kbytes = CFG_SDRAM_SIZE_PER_BANK * CFG_SDRAM_BANKS / 1024;
msr = mfmsr();
mtmsr(msr & ~(MSR_EE));
for (k = 0; k < total_kbytes ;
++k, mem += (1024 / sizeof(unsigned long))) {
if ((k & 1023) == 0)
printf("%3d MB\r", k / 1024);
memset(mem, 0xaaaaaaaa, 1024);
for (n = 0; n < kend; ++n) {
if (mem[n] != 0xaaaaaaaa) {
printf("SDRAM test fails at: %08x\n",
(uint) & mem[n]);
return 1;
}
}
memset(mem, 0x55555555, 1024);
for (n = 0; n < kend; ++n) {
if (mem[n] != 0x55555555) {
printf("SDRAM test fails at: %08x\n",
(uint) & mem[n]);
return 1;
}
}
}
printf("SDRAM test passes\n");
mtmsr(msr);
return 0;
}
#endif /* CFG_DRAM_TEST */

150
board/amcc/taihu/u-boot.lds Normal file
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@@ -0,0 +1,150 @@
/*
* (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_ARCH(powerpc)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
.resetvec 0xFFFFFFFC :
{
*(.resetvec)
} = 0xffff
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text :
{
/* WARNING - the following is hand-optimized to fit within */
/* the sector layout of our flash chips! XXX FIXME XXX */
cpu/ppc4xx/start.o (.text)
cpu/ppc4xx/kgdb.o (.text)
cpu/ppc4xx/traps.o (.text)
cpu/ppc4xx/interrupts.o (.text)
cpu/ppc4xx/serial.o (.text)
cpu/ppc4xx/cpu_init.o (.text)
cpu/ppc4xx/speed.o (.text)
common/dlmalloc.o (.text)
lib_generic/crc32.o (.text)
lib_ppc/extable.o (.text)
lib_generic/zlib.o (.text)
/* . = env_offset;*/
/* common/environment.o(.text)*/
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
*(.rodata.str1.4)
*(.eh_frame)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x00FF) & 0xFFFFFF00;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
*(.got)
_GOT2_TABLE_ = .;
*(.got2)
_FIXUP_TABLE_ = .;
*(.fixup)
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
__fixup_entries = (. - _FIXUP_TABLE_)>>2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = .;
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
. = .;
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(256);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(256);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
_end = . ;
PROVIDE (end = .);
}

132
board/amcc/taihu/update.c Normal file
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@@ -0,0 +1,132 @@
/*
* 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 <common.h>
#include <command.h>
#include <asm/processor.h>
#include <i2c.h>
#define PCI_M66EN 0x10
static uchar buf_33[] =
{
0xb5, /* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/
0x80, /* 0x01~0x03:ptm1ms =0x80000001 */
0x00,
0x00,
0x00, /* 0x04~0x06:ptm1la = 0x00000000 */
0x00,
0x00,
0x00, /* 0x07~0x09:ptm2ma = 0x00000000 */
0x00,
0x00,
0x00, /* 0x0a~0x0c:ptm2la = 0x00000000 */
0x00,
0x00,
0x10, /* 0x0d~0x0e:vendor id 0x1014*/
0x14,
0x00, /* 0x0f~0x10:device id 0x0000*/
0x00,
0x00, /* 0x11:revision 0x00 */
0x00, /* 0x12~0x14:class 0x000000 */
0x00,
0x00,
0x10, /* 0x15~0x16:subsystem vendor id */
0xe8,
0x00, /* 0x17~0x18:subsystem device id */
0x00,
0x61, /* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */
0x68, /* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */
0x2d, /* 0x1b: fwdvb=0b101,fwdva=0b101 */
0x82, /* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */
0xbe, /* 0x1d: tun[24-31]=0xbe */
0x00,
0x00
};
static uchar buf_66[] =
{
0xb5, /* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/
0x80, /* 0x01~0x03:ptm1ms =0x80000001 */
0x00,
0x00,
0x00, /* 0x04~0x06:ptm1la = 0x00000000 */
0x00,
0x00,
0x00, /* 0x07~0x09:ptm2ma = 0x00000000 */
0x00,
0x00,
0x00, /* 0x0a~0x0c:ptm2la = 0x00000000 */
0x00,
0x00,
0x10, /* 0x0d~0x0e:vendor id 0x1014*/
0x14,
0x00, /* 0x0f~0x10:device id 0x0000*/
0x00,
0x00, /* 0x11:revision 0x00 */
0x00, /* 0x12~0x14:class 0x000000 */
0x00,
0x00,
0x10, /* 0x15~0x16:subsystem vendor id */
0xe8,
0x00, /* 0x17~0x18:subsystem device id */
0x00,
0x61, /* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */
0x68, /* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */
0x2d, /* 0x1b: fwdvb=0b101,fwdva=0b101 */
0x82, /* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */
0xbe, /* 0x1d: tun[24-31]=0xbe */
0x00,
0x00
};
static int update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char *argv[])
{
ulong len = 0x20;
uchar chip = CFG_I2C_EEPROM_ADDR;
uchar *pbuf;
uchar base;
int i;
if ((*(volatile char*)CPLD_REG0_ADDR & PCI_M66EN) != PCI_M66EN) {
pbuf = buf_33;
base = 0x00;
} else {
pbuf = buf_66;
base = 0x40;
}
for (i = 0; i< len; i++, base++) {
if (i2c_write(chip, base, 1, &pbuf[i],1)!= 0) {
printf("i2c_write fail\n");
return 1;
}
udelay(11000);
}
return 0;
}
U_BOOT_CMD (
update_boot_eeprom, 1, 1, update_boot_eeprom,
"update_boot_eeprom - update boot eeprom content\n",
NULL
);

51
board/zeus/Makefile Normal file
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@@ -0,0 +1,51 @@
#
# (C) Copyright 2007
# Stefan Roese, DENX Software Engineering, sr@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 = $(BOARD).o update.o
SOBJS =
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(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
#########################################################################

24
board/zeus/config.mk Normal file
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@@ -0,0 +1,24 @@
#
# (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
#
TEXT_BASE = 0xFFFC0000

133
board/zeus/u-boot.lds Normal file
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@@ -0,0 +1,133 @@
/*
* (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_ARCH(powerpc)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
.resetvec 0xFFFFFFFC :
{
*(.resetvec)
} = 0xffff
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text :
{
cpu/ppc4xx/start.o (.text)
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
*(.rodata.str1.4)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x00FF) & 0xFFFFFF00;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
*(.got)
_GOT2_TABLE_ = .;
*(.got2)
_FIXUP_TABLE_ = .;
*(.fixup)
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
__fixup_entries = (. - _FIXUP_TABLE_)>>2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = .;
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
. = .;
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(256);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(256);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
_end = . ;
PROVIDE (end = .);
}

105
board/zeus/update.c Normal file
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/*
* (C) Copyright 2007
* Stefan Roese, DENX Software Engineering, sr@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 <config.h>
#include <common.h>
#include <command.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <i2c.h>
#if defined(CONFIG_ZEUS)
u8 buf_zeus_ce[] = {
/*00 01 02 03 04 05 06 07 */
0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/*08 09 0a 0b 0c 0d 0e 0f */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/*10 11 12 13 14 15 16 17 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/*18 19 1a 1b 1c 1d 1e 1f */
0x00, 0xc0, 0x50, 0x12, 0x72, 0x3e, 0x00, 0x00 };
u8 buf_zeus_pe[] = {
/* CPU_CLOCK_DIV 1 = 00
CPU_PLB_FREQ_DIV 3 = 10
OPB_PLB_FREQ_DIV 2 = 01
EBC_PLB_FREQ_DIV 2 = 00
MAL_PLB_FREQ_DIV 1 = 00
PCI_PLB_FRQ_DIV 3 = 10
PLL_PLLOUTA = IS SET
PLL_OPERATING = IS NOT SET
PLL_FDB_MUL 10 = 1010
PLL_FWD_DIV_A 3 = 101
PLL_FWD_DIV_B 3 = 101
TUNE = 0x2be */
/*00 01 02 03 04 05 06 07 */
0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/*08 09 0a 0b 0c 0d 0e 0f */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/*10 11 12 13 14 15 16 17 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/*18 19 1a 1b 1c 1d 1e 1f */
0x00, 0x60, 0x68, 0x2d, 0x42, 0xbe, 0x00, 0x00 };
static int update_boot_eeprom(void)
{
u32 len = 0x20;
u8 chip = CFG_I2C_EEPROM_ADDR;
u8 *pbuf;
u8 base;
int i;
if (in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_ZEUS_PE)) {
pbuf = buf_zeus_pe;
base = 0x40;
} else {
pbuf = buf_zeus_ce;
base = 0x00;
}
for (i = 0; i < len; i++, base++) {
if (i2c_write(chip, base, 1, &pbuf[i], 1) != 0) {
printf("i2c_write fail\n");
return 1;
}
udelay(11000);
}
return 0;
}
int do_update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char* argv[])
{
return update_boot_eeprom();
}
U_BOOT_CMD (
update_boot_eeprom, 1, 1, do_update_boot_eeprom,
"update_boot_eeprom - update boot eeprom content\n",
NULL
);
#endif

511
board/zeus/zeus.c Normal file
View File

@@ -0,0 +1,511 @@
/*
* (C) Copyright 2007
* Stefan Roese, DENX Software Engineering, sr@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>
#include <malloc.h>
#include <environment.h>
#include <logbuff.h>
#include <post.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
#define REBOOT_MAGIC 0x07081967
#define REBOOT_NOP 0x00000000
#define REBOOT_DO_POST 0x00000001
extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
extern env_t *env_ptr;
extern uchar default_environment[];
ulong flash_get_size(ulong base, int banknum);
void env_crc_update(void);
int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
static u32 start_time;
int board_early_init_f(void)
{
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
mtdcr(uicer, 0x00000000); /* disable all ints */
mtdcr(uiccr, 0x00000000);
mtdcr(uicpr, 0xFFFF7F00); /* set int polarities */
mtdcr(uictr, 0x00000000); /* set int trigger levels */
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
/*
* Configure CPC0_PCI to enable PerWE as output
*/
mtdcr(cpc0_pci, CPC0_PCI_SPE);
return 0;
}
int misc_init_r(void)
{
u32 pbcr;
int size_val = 0;
u32 post_magic;
u32 post_val;
post_magic = in_be32((void *)CFG_POST_MAGIC);
post_val = in_be32((void *)CFG_POST_VAL);
if ((post_magic == REBOOT_MAGIC) && (post_val == REBOOT_DO_POST)) {
/*
* Set special bootline bootparameter to pass this POST boot
* mode to Linux to reset the username/password
*/
setenv("addmisc", "setenv bootargs \\${bootargs} factory_reset=yes");
/*
* Normally don't run POST tests, only when enabled
* via the sw-reset button. So disable further tests
* upon next bootup here.
*/
out_be32((void *)CFG_POST_VAL, REBOOT_NOP);
} else {
/*
* Only run POST when initiated via the sw-reset button mechanism
*/
post_word_store(0);
}
/*
* Get current time
*/
start_time = get_timer(0);
/*
* FLASH stuff...
*/
/* Re-do sizing to get full correct info */
/* adjust flash start and offset */
mfebc(pb0cr, pbcr);
switch (gd->bd->bi_flashsize) {
case 1 << 20:
size_val = 0;
break;
case 2 << 20:
size_val = 1;
break;
case 4 << 20:
size_val = 2;
break;
case 8 << 20:
size_val = 3;
break;
case 16 << 20:
size_val = 4;
break;
case 32 << 20:
size_val = 5;
break;
case 64 << 20:
size_val = 6;
break;
case 128 << 20:
size_val = 7;
break;
}
pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
mtebc(pb0cr, pbcr);
/*
* Re-check to get correct base address
*/
flash_get_size(gd->bd->bi_flashstart, 0);
/* Monitor protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET,
-CFG_MONITOR_LEN,
0xffffffff,
&flash_info[0]);
/* Env protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET,
CFG_ENV_ADDR_REDUND,
CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
&flash_info[0]);
return 0;
}
/*
* Check Board Identity:
*/
int checkboard(void)
{
char *s = getenv("serial#");
puts("Board: Zeus-");
if (in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_ZEUS_PE))
puts("PE");
else
puts("CE");
puts(" of BulletEndPoint");
if (s != NULL) {
puts(", serial# ");
puts(s);
}
putc('\n');
/* both LED's off */
gpio_write_bit(CFG_GPIO_LED_RED, 0);
gpio_write_bit(CFG_GPIO_LED_GREEN, 0);
udelay(10000);
/* and on again */
gpio_write_bit(CFG_GPIO_LED_RED, 1);
gpio_write_bit(CFG_GPIO_LED_GREEN, 1);
return (0);
}
static u32 detect_sdram_size(void)
{
u32 val;
u32 size;
mfsdram(mem_mb0cf, val);
size = (4 << 20) << ((val & 0x000e0000) >> 17);
/*
* Check if 2nd bank is enabled too
*/
mfsdram(mem_mb1cf, val);
if (val & 1)
size += (4 << 20) << ((val & 0x000e0000) >> 17);
return size;
}
long int initdram (int board_type)
{
return detect_sdram_size();
}
#if defined(CFG_DRAM_TEST)
int testdram(void)
{
unsigned long *mem = (unsigned long *)0;
const unsigned long kend = (1024 / sizeof(unsigned long));
unsigned long k, n;
unsigned long msr;
unsigned long total_kbytes;
total_kbytes = detect_sdram_size();
msr = mfmsr();
mtmsr(msr & ~(MSR_EE));
for (k = 0; k < total_kbytes ;
++k, mem += (1024 / sizeof(unsigned long))) {
if ((k & 1023) == 0) {
printf("%3d MB\r", k / 1024);
}
memset(mem, 0xaaaaaaaa, 1024);
for (n = 0; n < kend; ++n) {
if (mem[n] != 0xaaaaaaaa) {
printf("SDRAM test fails at: %08x\n",
(uint) & mem[n]);
return 1;
}
}
memset(mem, 0x55555555, 1024);
for (n = 0; n < kend; ++n) {
if (mem[n] != 0x55555555) {
printf("SDRAM test fails at: %08x\n",
(uint) & mem[n]);
return 1;
}
}
}
printf("SDRAM test passes\n");
mtmsr(msr);
return 0;
}
#endif
static int default_env_var(char *buf, char *var)
{
char *ptr;
char *val;
/*
* Find env variable
*/
ptr = strstr(buf + 4, var);
if (ptr == NULL) {
printf("ERROR: %s not found!\n", var);
return -1;
}
ptr += strlen(var) + 1;
/*
* Now the ethaddr needs to be updated in the "normal"
* environment storage -> redundant flash.
*/
val = ptr;
setenv(var, val);
printf("Updated %s from eeprom to %s!\n", var, val);
return 0;
}
static int restore_default(void)
{
char *buf;
char *buf_save;
u32 crc;
/*
* Unprotect and erase environment area
*/
flash_protect(FLAG_PROTECT_CLEAR,
CFG_ENV_ADDR_REDUND,
CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
&flash_info[0]);
flash_sect_erase(CFG_ENV_ADDR_REDUND,
CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1);
/*
* Now restore default environment from U-Boot image
* -> ipaddr, serverip...
*/
memset(env_ptr, 0, sizeof(env_t));
memcpy(env_ptr->data, default_environment, ENV_SIZE);
#ifdef CFG_REDUNDAND_ENVIRONMENT
env_ptr->flags = 0xFF;
#endif
env_crc_update();
gd->env_valid = 1;
/*
* Read board specific values from I2C EEPROM
* and set env variables accordingly
* -> ethaddr, eth1addr, serial#
*/
buf = buf_save = malloc(FACTORY_RESET_ENV_SIZE);
if (eeprom_read(FACTORY_RESET_I2C_EEPROM, FACTORY_RESET_ENV_OFFS,
(u8 *)buf, FACTORY_RESET_ENV_SIZE)) {
puts("\nError reading EEPROM!\n");
} else {
crc = crc32(0, (u8 *)(buf + 4), FACTORY_RESET_ENV_SIZE - 4);
if (crc != *(u32 *)buf) {
printf("ERROR: crc mismatch %08lx %08lx\n", crc, *(u32 *)buf);
return -1;
}
default_env_var(buf, "ethaddr");
buf += 8 + 18;
default_env_var(buf, "eth1addr");
buf += 9 + 18;
default_env_var(buf, "serial#");
}
/*
* Finally save updated env variables back to flash
*/
saveenv();
free(buf_save);
return 0;
}
int do_set_default(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
char *buf;
char *buf_save;
char str[32];
u32 crc;
char var[32];
if (argc < 4) {
puts("ERROR!\n");
return -1;
}
buf = buf_save = malloc(FACTORY_RESET_ENV_SIZE);
memset(buf, 0, FACTORY_RESET_ENV_SIZE);
strcpy(var, "ethaddr");
printf("Setting %s to %s\n", var, argv[1]);
sprintf(str, "%s=%s", var, argv[1]);
strcpy(buf + 4, str);
buf += strlen(str) + 1;
strcpy(var, "eth1addr");
printf("Setting %s to %s\n", var, argv[2]);
sprintf(str, "%s=%s", var, argv[2]);
strcpy(buf + 4, str);
buf += strlen(str) + 1;
strcpy(var, "serial#");
printf("Setting %s to %s\n", var, argv[3]);
sprintf(str, "%s=%s", var, argv[3]);
strcpy(buf + 4, str);
crc = crc32(0, (u8 *)(buf_save + 4), FACTORY_RESET_ENV_SIZE - 4);
*(u32 *)buf_save = crc;
if (eeprom_write(FACTORY_RESET_I2C_EEPROM, FACTORY_RESET_ENV_OFFS,
(u8 *)buf_save, FACTORY_RESET_ENV_SIZE)) {
puts("\nError writing EEPROM!\n");
return -1;
}
free(buf_save);
return 0;
}
U_BOOT_CMD(
setdef, 4, 1, do_set_default,
"setdef - write board-specific values to EEPROM (ethaddr...)\n",
"ethaddr eth1addr serial#\n - write board-specific values to EEPROM\n"
);
static inline int sw_reset_pressed(void)
{
return !(in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_SW_RESET));
}
int do_chkreset(cmd_tbl_t* cmdtp, int flag, int argc, char* argv[])
{
int delta;
int count = 0;
int post = 0;
int factory_reset = 0;
if (!sw_reset_pressed()) {
printf("SW-Reset already high (Button released)\n");
printf("-> No action taken!\n");
return 0;
}
printf("Waiting for SW-Reset button to be released.");
while (1) {
delta = get_timer(start_time);
if (!sw_reset_pressed())
break;
if ((delta > CFG_TIME_POST) && !post) {
printf("\nWhen released now, POST tests will be started.");
gpio_write_bit(CFG_GPIO_LED_GREEN, 0);
post = 1;
}
if ((delta > CFG_TIME_FACTORY_RESET) && !factory_reset) {
printf("\nWhen released now, factory default values"
" will be restored.");
gpio_write_bit(CFG_GPIO_LED_RED, 0);
factory_reset = 1;
}
udelay(1000);
if (!(count++ % 1000))
printf(".");
}
printf("\nSW-Reset Button released after %d milli-seconds!\n", delta);
if (delta > CFG_TIME_FACTORY_RESET) {
printf("Starting factory reset value restoration...\n");
/*
* Restore default setting
*/
restore_default();
/*
* Reset the board for default to become valid
*/
do_reset(NULL, 0, 0, NULL);
return 0;
}
if (delta > CFG_TIME_POST) {
printf("Starting POST configuration...\n");
/*
* Enable POST upon next bootup
*/
out_be32((void *)CFG_POST_MAGIC, REBOOT_MAGIC);
out_be32((void *)CFG_POST_VAL, REBOOT_DO_POST);
post_bootmode_init();
/*
* Reset the logbuffer for a clean start
*/
logbuff_reset();
do_reset(NULL, 0, 0, NULL);
return 0;
}
return 0;
}
U_BOOT_CMD (
chkreset, 1, 1, do_chkreset,
"chkreset- Check for status of SW-reset button and act accordingly\n",
NULL
);
#if defined(CONFIG_POST)
/*
* Returns 1 if keys pressed to start the power-on long-running tests
* Called from board_init_f().
*/
int post_hotkeys_pressed(void)
{
u32 post_magic;
u32 post_val;
post_magic = in_be32((void *)CFG_POST_MAGIC);
post_val = in_be32((void *)CFG_POST_VAL);
if ((post_magic == REBOOT_MAGIC) && (post_val == REBOOT_DO_POST))
return 1;
else
return 0;
}
#endif /* CONFIG_POST */