static int initr_env(void)
{
/* initialize environment */
if (should_load_env())
env_relocate();
else
set_default_env(NULL);
#ifdef CONFIG_OF_CONTROL
setenv_addr("fdtcontroladdr", gd->fdt_blob);
#endif
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
#if defined(CONFIG_SYS_EXTBDINFO)
#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
#if defined(CONFIG_I2CFAST)
/*
* set bi_iic_fast for linux taking environment variable
* "i2cfast" into account
*/
{
char *s = getenv("i2cfast");
if (s && ((*s == 'y') || (*s == 'Y'))) {
gd->bd->bi_iic_fast[0] = 1;
gd->bd->bi_iic_fast[1] = 1;
}
}
#endif /* CONFIG_I2CFAST */
#endif /* CONFIG_405GP, CONFIG_405EP */
#endif /* CONFIG_SYS_EXTBDINFO */
return 0;
}
int setup_waveform_file(ulong waveform_buf)
{
char *fs_argv[5];
char addr[17];
ulong file_len, mmc_dev;
if (!check_mmc_autodetect())
mmc_dev = getenv_ulong("mmcdev", 10, 0);
else
mmc_dev = mmc_get_env_devno();
sprintf(addr, "%lx", waveform_buf);
fs_argv[0] = "fatload";
fs_argv[1] = "mmc";
fs_argv[2] = simple_itoa(mmc_dev);
fs_argv[3] = addr;
fs_argv[4] = getenv("epdc_waveform");
if (!fs_argv[4])
fs_argv[4] = "epdc_splash.bin";
if (do_fat_fsload(NULL, 0, 5, fs_argv)) {
printf("MMC Device %lu not found\n", mmc_dev);
return -1;
}
file_len = getenv_hex("filesize", 0);
if (!file_len)
return -1;
flush_cache((ulong)addr, file_len);
return 0;
}
static int load_devicetree(void)
{
char *dtbname = getenv("dtb");
char *dtbdev = getenv("dtbdev");
char *dtppart = getenv("dtbpart");
u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
loff_t dtbsize;
if (!dtbdev || !dtbdev) {
puts("load_devicetree: <dtbdev>/<dtbpart> missing.\n");
return -1;
}
if (fs_set_blk_dev(dtbdev, dtppart, FS_TYPE_EXT)) {
puts("load_devicetree: set_blk_dev failed.\n");
return -1;
}
if (dtbname && dtbaddr != ~0UL) {
if (fs_read(dtbname, dtbaddr, 0, 0, &dtbsize) == 0) {
gd->fdt_blob = (void *)dtbaddr;
gd->fdt_size = dtbsize;
debug("loaded %d bytes of dtb onto 0x%08x\n",
(u32)dtbsize, dtbaddr);
return dtbsize;
}
puts("load_devicetree: load dtb failed,file does not exist!\n");
}
puts("load_devicetree: <dtb>/<dtbaddr> missing!\n");
return -1;
}
void lcdpower(int on)
{
u32 pin, swval, i;
#ifdef CONFIG_USE_FDT
if (gd->fdt_blob == NULL) {
printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
return;
}
pin = FDTPROP(PATHINF, "pwrpin");
#else
pin = getenv_ulong("ds1_pwr", 16, ~0UL);
#endif
if (pin == ~0UL) {
puts("no pwrpin in dtb/env, cannot powerup display!\n");
return;
}
for (i = 0; i < 3; i++) {
if (pin != 0) {
swval = pin & 0x80 ? 0 : 1;
if (on)
gpio_direction_output(pin & 0x7F, swval);
else
gpio_direction_output(pin & 0x7F, !swval);
debug("switched pin %d to %d\n", pin & 0x7F, swval);
}
pin >>= 8;
}
}
/*
* Modify selected flag by its index.
*/
static int flag_write( uint8_t index, uint8_t data)
{
uint32_t val = 0;
assert(index <= 3);
val = getenv_ulong("sfuflags", 10, 0);
switch (index) {
case UPDATE_FLAG_INDEX:
val = (val & ~SFUPDATE_UPDATE_MASK) | ((data << SFUPDATE_UPDATE_SHIFT) & SFUPDATE_UPDATE_MASK);
break;
case FAIL_FLAG_INDEX:
val = (val & ~SFUPDATE_FAIL_MASK) | ((data << SFUPDATE_FAIL_SHIFT) & SFUPDATE_FAIL_MASK);
break;
case BOOT_COUNT_FLAG_INDEX:
val = (val & ~SFUPDATE_CNT_MASK) | ((data << SFUPDATE_CNT_SHIFT) & SFUPDATE_CNT_MASK);
break;
default:
return 1;
}
setenv_ulong("sfuflags", val);
return 0;
}
static const char *dtbmacaddr(u32 ifno)
{
int node, len;
char enet[16];
const char *mac;
const char *path;
u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
if (dtbaddr == ~0UL) {
puts("dtbmacaddr: failed to get 'dtbaddr' from env!\n");
return NULL;
}
node = fdt_path_offset((void *)dtbaddr, "/aliases");
if (node < 0)
return NULL;
sprintf(enet, "ethernet%d", ifno);
path = fdt_getprop((void *)dtbaddr, node, enet, NULL);
if (!path) {
printf("no alias for %s\n", enet);
return NULL;
}
node = fdt_path_offset((void *)dtbaddr, path);
mac = fdt_getprop((void *)dtbaddr, node, "mac-address", &len);
if (mac && is_valid_ether_addr((u8 *)mac))
return mac;
return NULL;
}
int set_load_addr_r(void)
{
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
return 0;
}
int fdtdec_setup(void)
{
#if CONFIG_IS_ENABLED(OF_CONTROL)
# ifdef CONFIG_OF_EMBED
/* Get a pointer to the FDT */
gd->fdt_blob = __dtb_dt_begin;
# elif defined CONFIG_OF_SEPARATE
# ifdef CONFIG_SPL_BUILD
/* FDT is at end of BSS unless it is in a different memory region */
if (IS_ENABLED(CONFIG_SPL_SEPARATE_BSS))
gd->fdt_blob = (ulong *)&_image_binary_end;
else
gd->fdt_blob = (ulong *)&__bss_end;
# else
/* FDT is at end of image */
gd->fdt_blob = (ulong *)&_end;
# endif
# elif defined(CONFIG_OF_HOSTFILE)
if (sandbox_read_fdt_from_file()) {
puts("Failed to read control FDT\n");
return -1;
}
# endif
# ifndef CONFIG_SPL_BUILD
/* Allow the early environment to override the fdt address */
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
(uintptr_t)gd->fdt_blob);
# endif
#endif
return fdtdec_prepare_fdt();
}
/**
* Routine implementing u-boot ls command which lists content of a given
* directory at location 'cramfsaddr'.
* cramfsaddr is an evironment variable.
*
* @param cmdtp command internal data
* @param flag command flag
* @param argc number of arguments supplied to the command
* @param argv arguments list
* @return 0 on success, 1 otherwise
*/
int do_cramfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *filename = "/";
int ret;
struct part_info part;
struct mtd_device dev;
struct mtdids id;
ulong addr;
addr = simple_strtoul(getenv("cramfsaddr"), NULL, 16);
#ifdef CONFIG_OCTEON
if (addr == 0)
addr = getenv_ulong("loadaddr", 16, CONFIG_SYS_LOAD_ADDR);
#endif
/* hack! */
/* cramfs_* only supports NOR flash chips */
/* fake the device type */
id.type = MTD_DEV_TYPE_NOR;
id.num = 0;
dev.id = &id;
part.dev = &dev;
/* fake the address offset */
part.offset = addr - OFFSET_ADJUSTMENT;
if (argc == 2)
filename = argv[1];
ret = 0;
if (cramfs_check(&part))
ret = cramfs_ls (&part, filename);
return ret ? 0 : 1;
}
int do_fat_cfgload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
unsigned long filesize = 0;
unsigned char *fp = (unsigned char *)0x5FFF0000, cmd[512], skip = 0, first = 1;
unsigned int wpos = 0;
// file check & update
setenv("filesize", "0");
run_command("fatload mmc 0:1 5FFF0000 boot.ini", 0);
if((filesize = getenv_ulong("filesize", 16, 0))) {
if(filesize > 64 * 1024) {
printf("File Size Error! Max file size 64Kbytes. filesize = %d\n", filesize);
return 0;
}
while(1) {
if(*fp == '#') skip = 1;
else {
skip = 0; wpos = 0;
memset(cmd, 0x00, sizeof(cmd));
}
while(*fp != 0x0A) {
if((*fp != 0x0D) && (!skip)) cmd[wpos++] = *fp;
fp++;
if(filesize) filesize--;
else break;
}
if(wpos) {
if(wpos < sizeof(cmd)) {
if(first) {
if(!strncmp(cmd, "ODROIDXU-UBOOT-CONFIG", sizeof("ODROIDXU-UBOOT-CONFIG"))) {
printf("Find boot.ini file from FAT Area!!\n"); first = 0;
}
else {
printf("Find boot.ini file. But This file is not odroidxu config file!\n");
return 0;
}
}
else {
printf("boot.ini command = %s\n", cmd);
run_command(cmd, 0);
}
}
wpos = 0;
}
fp++;
if(filesize) filesize--;
else break;
}
return 1;
}
return 0;
}
int board_video_skip(void)
{
int ret;
int xres, yres, refresh;
xres = getenv_ulong("hdmi_xres", 10, CONFIG_HDMI_XRES);
yres = getenv_ulong("hdmi_yres", 10, CONFIG_HDMI_YRES);
refresh = getenv_ulong("hdmi_refresh", 10, CONFIG_HDMI_REFRESH);
printf("got mode %dx%d@%d\n", xres, yres, refresh);
display.mode.hsync_len = xres/12;
display.mode.left_margin = (xres + display.mode.right_margin + display.mode.hsync_len)/4 + 10;
long active_y = display.mode.upper_margin + yres +
display.mode.lower_margin + display.mode.vsync_len;
long active_x = display.mode.left_margin + xres +
display.mode.right_margin + display.mode.hsync_len;
long long pixclock_calc = 1e12;
pixclock_calc /= active_x * active_y * refresh;
printf("%d active pixels, pixel clock %lld ps\n", active_x*active_y, pixclock_calc);
if (pixclock_calc > 1e9 || pixclock_calc < 1e3) {
puts("invalid video mode selected, going to default mode");
} else {
display.mode.xres = xres;
display.mode.yres = yres;
display.mode.refresh = refresh;
display.mode.pixclock = pixclock_calc;
}
ret = ipuv3_fb_init(&display.mode, 0,
display.pixfmt);
if (!ret) {
display.enable(&display);
printf("Display: %s (%ux%u)\n",
display.mode.name,
display.mode.xres,
display.mode.yres);
} else {
printf("display %s cannot be configured: %d\n",
display.mode.name, ret);
ret = -EINVAL;
}
return (0 != ret);
}
/* reserve protected RAM */
static int reserve_pram(void)
{
ulong reg;
reg = getenv_ulong("pram", 10, CONFIG_PRAM);
gd->relocaddr -= (reg << 10); /* size is in kB */
debug("Reserving %ldk for protected RAM at %08lx\n", reg,
gd->relocaddr);
return 0;
}
int find_fdt(void)
{
#ifdef CONFIG_OF_EMBED
/* Get a pointer to the FDT */
gd->fdt_blob = _binary_dt_dtb_start;
#elif defined CONFIG_OF_SEPARATE
/* FDT is at end of image */
gd->fdt_blob = (ulong *)&_end;
#endif
/* Allow the early environment to override the fdt address */
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
(uintptr_t)gd->fdt_blob);
return 0;
}
/*
* Export available size of memory for Linux, taking into account the
* protected RAM at top of memory
*/
int initr_mem(void)
{
ulong pram = 0;
char memsz[32];
# ifdef CONFIG_PRAM
pram = getenv_ulong("pram", 10, CONFIG_PRAM);
# endif
# if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
/* Also take the logbuffer into account (pram is in kB) */
pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
# endif
sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram));
setenv("mem", memsz);
return 0;
}
/**
* Initializes all of the serial ports
*/
static int octeon_serial_init(void)
{
int i;
gd->arch.console_uart = CONFIG_OCTEON_DEFAULT_CONSOLE_UART_PORT;
gd->arch.console_uart = getenv_ulong("console_uart", 0,
CONFIG_OCTEON_DEFAULT_CONSOLE_UART_PORT);
/*
* Initialize all UARTS even though we only use one for the
* console. Some applications (Linux second kernel) expect both
* to work.
*/
for (i = CONFIG_OCTEON_MIN_CONSOLE_UART;
i <= CONFIG_OCTEON_MAX_CONSOLE_UART; i++)
octeon_uart_setup(i);
return 0;
}
static int setup_fdt(void)
{
#ifdef CONFIG_OF_EMBED
/* Get a pointer to the FDT */
gd->fdt_blob = __dtb_dt_begin;
#elif defined CONFIG_OF_SEPARATE
/* FDT is at end of image */
gd->fdt_blob = (ulong *)&_end;
#elif defined(CONFIG_OF_HOSTFILE)
if (read_fdt_from_file()) {
puts("Failed to read control FDT\n");
return -1;
}
#endif
/* Allow the early environment to override the fdt address */
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
(uintptr_t)gd->fdt_blob);
return 0;
}
/* Load U-Boot into RAM, initialize BSS, perform relocation adjustments */
void board_init_f(ulong boot_flags)
{
init_fnc_t **init_fnc_ptr;
/*
* It's ok to have it on the stack as the stack is not going to be changed
* until board_init_r() is invoked, and the first thing it does - is copying
* *gd to the new location.
*/
gd_t gd_data_f;
gd = &gd_data_f;
memset(gd, 0, sizeof(*gd));
gd->flags = boot_flags;
#ifdef CONFIG_OF_EMBED
/* Get a pointer to the FDT */
gd->fdt_blob = _binary_dt_dtb_start;
#elif defined CONFIG_OF_SEPARATE
/* FDT is at end of image */
gd->fdt_blob = (ulong *)&__end;
#endif
/* Allow the early environment to override the fdt address */
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
(uintptr_t)gd->fdt_blob);
for (init_fnc_ptr = init_sequence_f; *init_fnc_ptr; ++init_fnc_ptr) {
if ((*init_fnc_ptr)() != 0)
hang();
}
printf("Relocating to %p\n", (void *)gd->relocaddr);
gd->flags |= GD_FLG_RELOC;
/* Enter the relocated U-Boot! */
relocate_code(gd->start_addr_sp, gd, gd->relocaddr);
/* NOTREACHED - relocate_code() does not return */
while (1)
;
}
static int load_devicetree(void)
{
int rc;
loff_t dtbsize;
u32 dtbaddr = getenv_ulong("dtbaddr", 16, 0UL);
if (dtbaddr == 0) {
printf("%s: don't have a valid <dtbaddr> in env!\n", __func__);
return -1;
}
#ifdef CONFIG_NAND
dtbsize = 0x20000;
rc = nand_read_skip_bad(&nand_info[0], 0x40000, (size_t *)&dtbsize,
NULL, 0x20000, (u_char *)dtbaddr);
#else
char *dtbname = getenv("dtb");
char *dtbdev = getenv("dtbdev");
char *dtppart = getenv("dtbpart");
if (!dtbdev || !dtbdev || !dtbname) {
printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__);
return -1;
}
if (fs_set_blk_dev(dtbdev, dtppart, FS_TYPE_EXT)) {
puts("load_devicetree: set_blk_dev failed.\n");
return -1;
}
rc = fs_read(dtbname, (u32)dtbaddr, 0, 0, &dtbsize);
#endif
if (rc == 0) {
gd->fdt_blob = (void *)dtbaddr;
gd->fdt_size = dtbsize;
debug("loaded %d bytes of dtb onto 0x%08x\n",
(u32)dtbsize, (u32)gd->fdt_blob);
return dtbsize;
}
printf("%s: load dtb failed!\n", __func__);
return -1;
}
static void br_summaryscreen_printdtb(char *prefix,
char *name,
char *suffix)
{
u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
char buf[32] = { 0 };
const char *nodep = buf;
char *mac = 0;
int nodeoffset;
int len;
if (dtbaddr == ~0UL) {
puts("br_summaryscreen: failed to get 'dtbaddr' from env!\n");
return;
}
if (strcmp(name, "brmac1") == 0) {
mac = (char *)dtbmacaddr(0);
if (mac)
sprintf(buf, "%pM", mac);
} else if (strcmp(name, "brmac2") == 0) {
mac = (char *)dtbmacaddr(1);
if (mac)
sprintf(buf, "%pM", mac);
} else {
nodeoffset = fdt_path_offset((void *)dtbaddr,
"/factory-settings");
if (nodeoffset < 0) {
puts("no 'factory-settings' in dtb!\n");
return;
}
nodep = fdt_getprop((void *)dtbaddr, nodeoffset, name, &len);
}
if (nodep && strlen(nodep) > 1)
lcd_printf("%s %s %s", prefix, nodep, suffix);
else
lcd_printf("\n");
}
/*
* Read selected flag by its index.
*/
static int flag_read(uint8_t index, uint8_t *data)
{
uint32_t valb = 0;
assert(index <= 3);
valb = getenv_ulong("sfuflags", 10, 0);
switch (index) {
case UPDATE_FLAG_INDEX:
*data = (valb & SFUPDATE_UPDATE_MASK) ? 1 : 0;
break;
case FAIL_FLAG_INDEX:
*data = (valb & SFUPDATE_FAIL_MASK) ? 1 : 0;
break;
case BOOT_COUNT_FLAG_INDEX:
*data = valb & SFUPDATE_CNT_MASK;
break;
default:
return 1;
}
return 0;
}
void board_init_r(gd_t *id, ulong dest_addr)
{
ulong malloc_start;
#if !defined(CONFIG_SYS_NO_FLASH)
ulong flash_size;
#endif
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
monitor_flash_len = (ulong)&__rel_dyn_end - (ulong)_start;
/* Enable caches */
enable_caches();
debug("monitor flash len: %08lX\n", monitor_flash_len);
board_init(); /* Setup chipselects */
/*
* TODO: printing of the clock inforamtion of the board is now
* implemented as part of bdinfo command. Currently only support for
* davinci SOC's is added. Remove this check once all the board
* implement this.
*/
#ifdef CONFIG_CLOCKS
set_cpu_clk_info(); /* Setup clock information */
#endif
serial_initialize();
debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
#ifdef CONFIG_LOGBUFFER
logbuff_init_ptrs();
#endif
#ifdef CONFIG_POST
post_output_backlog();
#endif
/* The Malloc area is immediately below the monitor copy in DRAM */
malloc_start = dest_addr - TOTAL_MALLOC_LEN;
mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
#ifdef CONFIG_ARCH_EARLY_INIT_R
arch_early_init_r();
#endif
power_init_board();
#if !defined(CONFIG_SYS_NO_FLASH)
puts("Flash: ");
flash_size = flash_init();
if (flash_size > 0) {
# ifdef CONFIG_SYS_FLASH_CHECKSUM
print_size(flash_size, "");
/*
* Compute and print flash CRC if flashchecksum is set to 'y'
*
* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
*/
if (getenv_yesno("flashchecksum") == 1) {
printf(" CRC: %08X", crc32(0,
(const unsigned char *) CONFIG_SYS_FLASH_BASE,
flash_size));
}
putc('\n');
# else /* !CONFIG_SYS_FLASH_CHECKSUM */
print_size(flash_size, "\n");
# endif /* CONFIG_SYS_FLASH_CHECKSUM */
} else {
puts(failed);
hang();
}
#endif
#if defined(CONFIG_CMD_NAND)
puts("NAND: ");
nand_init(); /* go init the NAND */
#endif
#if defined(CONFIG_CMD_ONENAND)
onenand_init();
#endif
#ifdef CONFIG_GENERIC_MMC
puts("MMC: ");
mmc_initialize(gd->bd);
#endif
#ifdef CONFIG_CMD_SCSI
puts("SCSI: ");
scsi_init();
#endif
#ifdef CONFIG_HAS_DATAFLASH
AT91F_DataflashInit();
dataflash_print_info();
#endif
/* initialize environment */
if (should_load_env())
env_relocate();
else
set_default_env(NULL);
#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
arm_pci_init();
#endif
stdio_init(); /* get the devices list going. */
jumptable_init();
#if defined(CONFIG_API)
/* Initialize API */
api_init();
#endif
console_init_r(); /* fully init console as a device */
#ifdef CONFIG_DISPLAY_BOARDINFO_LATE
# ifdef CONFIG_OF_CONTROL
/* Put this here so it appears on the LCD, now it is ready */
display_fdt_model(gd->fdt_blob);
# else
checkboard();
# endif
#endif
#if defined(CONFIG_ARCH_MISC_INIT)
/* miscellaneous arch dependent initialisations */
arch_misc_init();
#endif
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
misc_init_r();
#endif
/* set up exceptions */
interrupt_init();
/* enable exceptions */
enable_interrupts();
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
#ifdef CONFIG_BOARD_LATE_INIT
board_late_init();
#endif
#ifdef CONFIG_FASTBOOT
fastboot_setup();
#endif
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
puts("Net: ");
eth_initialize(gd->bd);
#if defined(CONFIG_RESET_PHY_R)
debug("Reset Ethernet PHY\n");
reset_phy();
#endif
#endif
#ifdef CONFIG_POST
post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif
#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
/*
* Export available size of memory for Linux,
* taking into account the protected RAM at top of memory
*/
{
ulong pram = 0;
uchar memsz[32];
#ifdef CONFIG_PRAM
pram = getenv_ulong("pram", 10, CONFIG_PRAM);
#endif
#ifdef CONFIG_LOGBUFFER
#ifndef CONFIG_ALT_LB_ADDR
/* Also take the logbuffer into account (pram is in kB) */
pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
#endif
#endif
sprintf((char *)memsz, "%ldk", (gd->ram_size / 1024) - pram);
setenv("mem", (char *)memsz);
}
#endif
#ifdef CONFIG_FASTBOOT
check_fastboot();
#endif
/* main_loop() can return to retry autoboot, if so just run it again. */
for (;;) {
main_loop();
}
/* NOTREACHED - no way out of command loop except booting */
}
void board_init_f(ulong bootflag)
{
bd_t *bd;
init_fnc_t **init_fnc_ptr;
gd_t *id;
ulong addr, addr_sp;
#ifdef CONFIG_PRAM
ulong reg;
#endif
void *new_fdt = NULL;
size_t fdt_size = 0;
memset((void *)gd, 0, sizeof(gd_t));
gd->mon_len = (ulong)&__bss_end - (ulong)_start;
#ifdef CONFIG_OF_EMBED
/* Get a pointer to the FDT */
gd->fdt_blob = __dtb_db_begin;
#elif defined CONFIG_OF_SEPARATE
/* FDT is at end of image */
gd->fdt_blob = &_end;
#endif
/* Allow the early environment to override the fdt address */
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
(uintptr_t)gd->fdt_blob);
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
if ((*init_fnc_ptr)() != 0) {
hang ();
}
}
#ifdef CONFIG_OF_CONTROL
/* For now, put this check after the console is ready */
if (fdtdec_prepare_fdt()) {
panic("** CONFIG_OF_CONTROL defined but no FDT - please see "
"doc/README.fdt-control");
}
#endif
debug("monitor len: %08lX\n", gd->mon_len);
/*
* Ram is setup, size stored in gd !!
*/
debug("ramsize: %08lX\n", gd->ram_size);
#if defined(CONFIG_SYS_MEM_TOP_HIDE)
/*
* Subtract specified amount of memory to hide so that it won't
* get "touched" at all by U-Boot. By fixing up gd->ram_size
* the Linux kernel should now get passed the now "corrected"
* memory size and won't touch it either. This should work
* for arch/ppc and arch/powerpc. Only Linux board ports in
* arch/powerpc with bootwrapper support, that recalculate the
* memory size from the SDRAM controller setup will have to
* get fixed.
*/
gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
#endif
addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
#ifdef CONFIG_LOGBUFFER
#ifndef CONFIG_ALT_LB_ADDR
/* reserve kernel log buffer */
addr -= (LOGBUFF_RESERVE);
debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN,
addr);
#endif
#endif
#ifdef CONFIG_PRAM
/*
* reserve protected RAM
*/
reg = getenv_ulong("pram", 10, CONFIG_PRAM);
addr -= (reg << 10); /* size is in kB */
debug("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
#endif /* CONFIG_PRAM */
#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
/* reserve TLB table */
gd->arch.tlb_size = PGTABLE_SIZE;
addr -= gd->arch.tlb_size;
/* round down to next 64 kB limit */
addr &= ~(0x10000 - 1);
gd->arch.tlb_addr = addr;
debug("TLB table from %08lx to %08lx\n", addr, addr + gd->arch.tlb_size);
#endif
/* round down to next 4 kB limit */
addr &= ~(4096 - 1);
debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
#ifdef CONFIG_LCD
#ifdef CONFIG_FB_ADDR
gd->fb_base = CONFIG_FB_ADDR;
#else
/* reserve memory for LCD display (always full pages) */
addr = lcd_setmem(addr);
gd->fb_base = addr;
#endif /* CONFIG_FB_ADDR */
#endif /* CONFIG_LCD */
/*
* reserve memory for U-Boot code, data & bss
* round down to next 4 kB limit
*/
addr -= gd->mon_len;
addr &= ~(4096 - 1);
debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr);
#ifndef CONFIG_SPL_BUILD
/*
* reserve memory for malloc() arena
*/
addr_sp = addr - TOTAL_MALLOC_LEN;
debug("Reserving %dk for malloc() at: %08lx\n",
TOTAL_MALLOC_LEN >> 10, addr_sp);
/*
* (permanently) allocate a Board Info struct
* and a permanent copy of the "global" data
*/
addr_sp -= sizeof (bd_t);
bd = (bd_t *) addr_sp;
gd->bd = bd;
debug("Reserving %zu Bytes for Board Info at: %08lx\n",
sizeof (bd_t), addr_sp);
#ifdef CONFIG_MACH_TYPE
gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */
#endif
addr_sp -= sizeof (gd_t);
id = (gd_t *) addr_sp;
debug("Reserving %zu Bytes for Global Data at: %08lx\n",
sizeof (gd_t), addr_sp);
#if defined(CONFIG_OF_SEPARATE) && defined(CONFIG_OF_CONTROL)
/*
* If the device tree is sitting immediate above our image then we
* must relocate it. If it is embedded in the data section, then it
* will be relocated with other data.
*/
if (gd->fdt_blob) {
fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
addr_sp -= fdt_size;
new_fdt = (void *)addr_sp;
debug("Reserving %zu Bytes for FDT at: %08lx\n",
fdt_size, addr_sp);
}
#endif
#ifndef CONFIG_ARM64
/* setup stackpointer for exeptions */
gd->irq_sp = addr_sp;
#ifdef CONFIG_USE_IRQ
addr_sp -= (CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ);
debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp);
#endif
/* leave 3 words for abort-stack */
addr_sp -= 12;
/* 8-byte alignment for ABI compliance */
addr_sp &= ~0x07;
#else /* CONFIG_ARM64 */
/* 16-byte alignment for ABI compliance */
addr_sp &= ~0x0f;
#endif /* CONFIG_ARM64 */
#else
addr_sp += 128; /* leave 32 words for abort-stack */
gd->irq_sp = addr_sp;
#endif
debug("New Stack Pointer is: %08lx\n", addr_sp);
#ifdef CONFIG_POST
post_bootmode_init();
post_run(NULL, POST_ROM | post_bootmode_get(0));
#endif
gd->bd->bi_baudrate = gd->baudrate;
/* Ram ist board specific, so move it to board code ... */
dram_init_banksize();
display_dram_config(); /* and display it */
gd->relocaddr = addr;
gd->start_addr_sp = addr_sp;
gd->reloc_off = addr - (ulong)&_start;
debug("relocation Offset is: %08lx\n", gd->reloc_off);
if (new_fdt) {
memcpy(new_fdt, gd->fdt_blob, fdt_size);
gd->fdt_blob = new_fdt;
}
memcpy(id, (void *)gd, sizeof(gd_t));
}
static int init_baudrate(void)
{
gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
return 0;
}
/**
* This will search for one or more bootloaders in the SPI NOR and boot
* either the failsafe one or the last valid one found.
*
* @param cmdtp Command data structure
* @param flag flags, not used
* @param argc argument count, not used, passed on
* @param argv arguments, not used, passed on
*
* @return -1 on error otherwise no return.
*/
int do_octbootstage3(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct spi_flash *flash;
struct bootloader_header *header;
uint32_t addr;
const int bus = 0;
const int cs = 0;
const int speed = CONFIG_SF_DEFAULT_SPEED;
const int mode = CONFIG_SF_DEFAULT_MODE;
void *buf;
int len;
int offset;
int found_offset = -1;
int found_size = 0;
int rc;
int failsafe;
flash = spi_flash_probe(bus, cs, speed, mode);
if (!flash) {
printf("Failed to initialize SPI flash at %u:%u", bus, cs);
return -1;
}
addr = getenv_ulong("octeon_stage3_load_addr", 16,
CONFIG_OCTEON_STAGE3_LOAD_ADDR);
header = CASTPTR(struct bootloader_header, addr);
buf = (void *)header;
#ifdef CONFIG_OCTEON_FAILSAFE_GPIO
failsafe = gpio_direction_input(CONFIG_OCTEON_FAILSAFE_GPIO);
#else
failsafe = 0;
#endif
offset = CONFIG_OCTEON_SPI_BOOT_START;
do {
if (spi_flash_read(flash, offset, sizeof(*header), header)) {
printf("Could not read SPI flash to find bootloader\n");
return -1;
}
if (!validate_bootloader_header(header) ||
(header->board_type != gd->arch.board_desc.board_type)) {
offset += flash->erase_size;
continue;
}
len = header->hlen + header->dlen - sizeof(*header);
if (len < 0) {
printf("Invalid length calculated, hlen: %d, dlen: %d\n",
header->hlen, header->dlen);
offset += flash->erase_size;
continue;
}
/* Read rest of bootloader */
rc = spi_flash_read(flash, offset + sizeof(*header), len,
&header[1]);
if (rc) {
printf("Could not read %d bytes from SPI flash\n",
header->dlen + header->hlen);
return -1;
}
if (calculate_image_crc(header) != header->dcrc) {
printf("Found corrupted image at offset 0x%x, continuing search\n",
offset);
offset += flash->erase_size;
continue;
}
found_offset = offset;
found_size = header->hlen + header->dlen;
printf("Found valid SPI bootloader at offset: 0x%x, size: %d bytes\n",
found_offset, found_size);
if (failsafe)
break;
/* Skip past the current image to the next one */
offset += (found_size + flash->erase_size - 1) &
~(flash->erase_size);
} while (offset < CONFIG_OCTEON_SPI_BOOT_END);
if (found_offset < 0) {
printf("Could not find stage 3 bootloader\n");
return -1;
}
/* If we searched for multiple bootloaders and didn't stop at the first
* one (i.e. failsafe) then re-read the last good one found into
* memory.
*/
if (found_offset != offset) {
rc = spi_flash_read(flash, found_offset, found_size, header);
if (rc) {
printf("Error reading bootloader from offset 0x%x, size: 0x%x\n",
found_offset, found_size);
return -1;
}
}
do_go_exec(buf, argc - 1, argv + 1);
return 0;
}
int do_octbootstage3(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
uint32_t addr, rc;
int rcode = 0;
char *filename;
char *failsafe_filename;
const char *dev_name;
int failsafe;
int size = 0;
int max_size = 0;
int part_no;
int dev_no = 0;
block_dev_desc_t *dev_desc = NULL;
filename = getenv("octeon_stage3_bootloader");
addr = getenv_ulong("octeon_stage3_load_addr", 16,
CONFIG_OCTEON_STAGE3_LOAD_ADDR);
max_size = getenv_ulong("octeon_stage3_max_size", 0,
CONFIG_OCTEON_STAGE3_MAX_SIZE);
dev_no = getenv_ulong("octeon_stage3_devno", 0,
CONFIG_OCTEON_STAGE3_DEVNO);
dev_name = getenv("octeon_stage3_devname");
if (!dev_name)
dev_name = CONFIG_OCTEON_STAGE3_DEVNAME;
dev_desc = get_dev(dev_name, dev_no);
if (!dev_desc) {
printf("Could not find device %s %d\n", dev_name, dev_no);
return -1;
}
part_no = find_bootable_fat_partition(dev_desc);
if (part_no < 0) {
printf("No bootable FAT partition found\n");
return -1;
}
if (fat_register_device(dev_desc, part_no) != 0) {
printf("Unable to use %s %d:%d for FAT partition\n", dev_name,
dev_no, part_no);
}
#ifndef CONFIG_OCTEON_NO_STAGE3_FAILSAFE
failsafe = gpio_direction_input(CONFIG_OCTEON_FAILSAFE_GPIO);
if (!filename) {
failsafe = 1;
}
if (!failsafe) {
size = file_fat_read(filename, (unsigned char *)addr, max_size);
if (size <= 0) {
printf("Could not read %s, trying failsafe\n", filename);
goto failsafe;
}
do_go_exec((void *)addr, argc - 1, argv + 1);
}
failsafe:
failsafe_filename = getenv("octeon_stage3_failsafe_bootloader");
if (!failsafe_filename) {
failsafe_filename = CONFIG_OCTEON_STAGE3_FAILSAFE_FILENAME;
printf("Error: environment variable octeon_stage3_failsafe_bootloader is not set.\n");
return 0;
}
if (failsafe_filename) {
size = file_fat_read(filename, (unsigned char *)addr,
max_size);
if (size <= 0) {
printf("Could not read failsafe bootloader %s, "
"trying %s\n", failsafe_filename,
CONFIG_OCTEON_STAGE3_FAILSAFE_FILENAME);
failsafe_filename = CONFIG_OCTEON_STAGE3_FAILSAFE_FILENAME;
}
} else {
printf("No failsafe available!\n");
return -1;
}
#else
if (!filename)
filename = CONFIG_OCTEON_STAGE3_FILENAME;
size = file_fat_read(filename, (unsigned char *)addr, max_size);
if (size <= 0) {
printf("Could not open stage 3 bootloader %s\n", filename);
return -1;
}
do_go_exec((void *)addr, argc - 1, argv + 1);
#endif
return -1;
}
/*
* This is the next part if the initialization sequence: we are now
* running from RAM and have a "normal" C environment, i. e. global
* data can be written, BSS has been cleared, the stack size in not
* that critical any more, etc.
*/
void board_init_r(gd_t *id, ulong dest_addr)
{
bd_t *bd;
ulong malloc_start;
#ifndef CONFIG_SYS_NO_FLASH
ulong flash_size;
#endif
gd = id; /* initialize RAM version of global data */
bd = gd->bd;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
/* The Malloc area is immediately below the monitor copy in DRAM */
malloc_start = dest_addr - TOTAL_MALLOC_LEN;
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
/*
* The gd->arch.cpu pointer is set to an address in flash before
* relocation. We need to update it to point to the same CPU entry
* in RAM.
*/
gd->arch.cpu += dest_addr - CONFIG_SYS_MONITOR_BASE;
/*
* If we didn't know the cpu mask & # cores, we can save them of
* now rather than 'computing' them constantly
*/
fixup_cpu();
#endif
#ifdef CONFIG_SYS_EXTRA_ENV_RELOC
/*
* Some systems need to relocate the env_addr pointer early because the
* location it points to will get invalidated before env_relocate is
* called. One example is on systems that might use a L2 or L3 cache
* in SRAM mode and initialize that cache from SRAM mode back to being
* a cache in cpu_init_r.
*/
gd->env_addr += dest_addr - CONFIG_SYS_MONITOR_BASE;
#endif
serial_initialize();
debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
WATCHDOG_RESET();
/*
* Setup trap handlers
*/
trap_init(dest_addr);
#ifdef CONFIG_ADDR_MAP
init_addr_map();
#endif
#if defined(CONFIG_BOARD_EARLY_INIT_R)
board_early_init_r();
#endif
monitor_flash_len = (ulong)&__init_end - dest_addr;
WATCHDOG_RESET();
#ifdef CONFIG_LOGBUFFER
logbuff_init_ptrs();
#endif
#ifdef CONFIG_POST
post_output_backlog();
#endif
WATCHDOG_RESET();
#if defined(CONFIG_SYS_DELAYED_ICACHE)
icache_enable(); /* it's time to enable the instruction cache */
#endif
#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
#endif
#if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
/*
* Do early PCI configuration _before_ the flash gets initialised,
* because PCU ressources are crucial for flash access on some boards.
*/
pci_init();
#endif
#if defined(CONFIG_WINBOND_83C553)
/*
* Initialise the ISA bridge
*/
initialise_w83c553f();
#endif
asm("sync ; isync");
mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN);
#if !defined(CONFIG_SYS_NO_FLASH)
puts("Flash: ");
if (board_flash_wp_on()) {
printf("Uninitialized - Write Protect On\n");
/* Since WP is on, we can't find real size. Set to 0 */
flash_size = 0;
} else if ((flash_size = flash_init()) > 0) {
#ifdef CONFIG_SYS_FLASH_CHECKSUM
print_size(flash_size, "");
/*
* Compute and print flash CRC if flashchecksum is set to 'y'
*
* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
*/
if (getenv_yesno("flashchecksum") == 1) {
printf(" CRC: %08X",
crc32(0,
(const unsigned char *)
CONFIG_SYS_FLASH_BASE, flash_size)
);
}
putc('\n');
#else /* !CONFIG_SYS_FLASH_CHECKSUM */
print_size(flash_size, "\n");
#endif /* CONFIG_SYS_FLASH_CHECKSUM */
} else {
puts(failed);
hang();
}
/* update start of FLASH memory */
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
/* size of FLASH memory (final value) */
bd->bi_flashsize = flash_size;
#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
/* Make a update of the Memctrl. */
update_flash_size(flash_size);
#endif
#if defined(CONFIG_OXC) || defined(CONFIG_RMU)
/* flash mapped at end of memory map */
bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
#elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */
#endif
#endif /* !CONFIG_SYS_NO_FLASH */
WATCHDOG_RESET();
/* initialize higher level parts of CPU like time base and timers */
cpu_init_r();
WATCHDOG_RESET();
#ifdef CONFIG_SPI
#if !defined(CONFIG_ENV_IS_IN_EEPROM)
spi_init_f();
#endif
spi_init_r();
#endif
#if defined(CONFIG_CMD_NAND)
WATCHDOG_RESET();
puts("NAND: ");
nand_init(); /* go init the NAND */
#endif
#ifdef CONFIG_GENERIC_MMC
/*
* MMC initialization is called before relocating env.
* Thus It is required that operations like pin multiplexer
* be put in board_init.
*/
WATCHDOG_RESET();
puts("MMC: ");
mmc_initialize(bd);
#endif
/* relocate environment function pointers etc. */
env_relocate();
/*
* after non-volatile devices & environment is setup and cpu code have
* another round to deal with any initialization that might require
* full access to the environment or loading of some image (firmware)
* from a non-volatile device
*/
cpu_secondary_init_r();
/*
* Fill in missing fields of bd_info.
* We do this here, where we have "normal" access to the
* environment; we used to do this still running from ROM,
* where had to use getenv_f(), which can be pretty slow when
* the environment is in EEPROM.
*/
#if defined(CONFIG_SYS_EXTBDINFO)
#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
#if defined(CONFIG_I2CFAST)
/*
* set bi_iic_fast for linux taking environment variable
* "i2cfast" into account
*/
{
if (getenv_yesno("i2cfast") == 1) {
bd->bi_iic_fast[0] = 1;
bd->bi_iic_fast[1] = 1;
}
}
#endif /* CONFIG_I2CFAST */
#endif /* CONFIG_405GP, CONFIG_405EP */
#endif /* CONFIG_SYS_EXTBDINFO */
#if defined(CONFIG_SC3)
sc3_read_eeprom();
#endif
#if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET)
mac_read_from_eeprom();
#endif
#ifdef CONFIG_CMD_NET
/* kept around for legacy kernels only ... ignore the next section */
eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
#ifdef CONFIG_HAS_ETH1
eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
#endif
#ifdef CONFIG_HAS_ETH2
eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
#endif
#ifdef CONFIG_HAS_ETH3
eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
#endif
#ifdef CONFIG_HAS_ETH4
eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
#endif
#ifdef CONFIG_HAS_ETH5
eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
#endif
#endif /* CONFIG_CMD_NET */
WATCHDOG_RESET();
#if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
/*
* Do pci configuration
*/
pci_init();
#endif
/** leave this here (after malloc(), environment and PCI are working) **/
/* Initialize stdio devices */
stdio_init();
/* Initialize the jump table for applications */
jumptable_init();
#if defined(CONFIG_API)
/* Initialize API */
api_init();
#endif
/* Initialize the console (after the relocation and devices init) */
console_init_r();
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
misc_init_r();
#endif
#if defined(CONFIG_CMD_KGDB)
WATCHDOG_RESET();
puts("KGDB: ");
kgdb_init();
#endif
debug("U-Boot relocated to %08lx\n", dest_addr);
/*
* Enable Interrupts
*/
interrupt_init();
#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
#endif
udelay(20);
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
WATCHDOG_RESET();
#if defined(CONFIG_CMD_SCSI)
WATCHDOG_RESET();
puts("SCSI: ");
scsi_init();
#endif
#if defined(CONFIG_CMD_DOC)
WATCHDOG_RESET();
puts("DOC: ");
doc_init();
#endif
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
WATCHDOG_RESET();
puts("Net: ");
eth_initialize(bd);
#endif
#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
WATCHDOG_RESET();
debug("Reset Ethernet PHY\n");
reset_phy();
#endif
#ifdef CONFIG_POST
post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif
#if defined(CONFIG_CMD_PCMCIA) \
&& !defined(CONFIG_CMD_IDE)
WATCHDOG_RESET();
puts("PCMCIA:");
pcmcia_init();
#endif
#if defined(CONFIG_CMD_IDE)
WATCHDOG_RESET();
#ifdef CONFIG_IDE_8xx_PCCARD
puts("PCMCIA:");
#else
puts("IDE: ");
#endif
#if defined(CONFIG_START_IDE)
if (board_start_ide())
ide_init();
#else
ide_init();
#endif
#endif
#ifdef CONFIG_LAST_STAGE_INIT
WATCHDOG_RESET();
/*
* Some parts can be only initialized if all others (like
* Interrupts) are up and running (i.e. the PC-style ISA
* keyboard).
*/
last_stage_init();
#endif
#if defined(CONFIG_CMD_BEDBUG)
WATCHDOG_RESET();
bedbug_init();
#endif
#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
/*
* Export available size of memory for Linux,
* taking into account the protected RAM at top of memory
*/
{
ulong pram = 0;
char memsz[32];
#ifdef CONFIG_PRAM
pram = getenv_ulong("pram", 10, CONFIG_PRAM);
#endif
#ifdef CONFIG_LOGBUFFER
#ifndef CONFIG_ALT_LB_ADDR
/* Also take the logbuffer into account (pram is in kB) */
pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
#endif
#endif
sprintf(memsz, "%ldk", (ulong) (bd->bi_memsize / 1024) - pram);
setenv("mem", memsz);
}
#endif
#ifdef CONFIG_PS2KBD
puts("PS/2: ");
kbd_init();
#endif
/* Initialization complete - start the monitor */
/* main_loop() can return to retry autoboot, if so just run it again. */
for (;;) {
WATCHDOG_RESET();
main_loop();
}
/* NOTREACHED - no way out of command loop except booting */
}
void board_init_f(ulong bootflag)
{
bd_t *bd;
ulong len, addr, addr_sp;
ulong *s;
gd_t *id;
init_fnc_t **init_fnc_ptr;
#ifdef CONFIG_PRAM
ulong reg;
#endif
/* Pointer is writable since we allocated a register for it */
gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("":::"memory");
#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \
!defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \
!defined(CONFIG_MPC86xx)
/* Clear initial global data */
memset((void *) gd, 0, sizeof(gd_t));
#endif
gd->flags = bootflag;
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr)
if ((*init_fnc_ptr) () != 0)
hang();
#ifdef CONFIG_POST
post_bootmode_init();
post_run(NULL, POST_ROM | post_bootmode_get(NULL));
#endif
WATCHDOG_RESET();
/*
* Now that we have DRAM mapped and working, we can
* relocate the code and continue running from DRAM.
*
* Reserve memory at end of RAM for (top down in that order):
* - area that won't get touched by U-Boot and Linux (optional)
* - kernel log buffer
* - protected RAM
* - LCD framebuffer
* - monitor code
* - board info struct
*/
len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE;
/*
* Subtract specified amount of memory to hide so that it won't
* get "touched" at all by U-Boot. By fixing up gd->ram_size
* the Linux kernel should now get passed the now "corrected"
* memory size and won't touch it either. This should work
* for arch/ppc and arch/powerpc. Only Linux board ports in
* arch/powerpc with bootwrapper support, that recalculate the
* memory size from the SDRAM controller setup will have to
* get fixed.
*/
gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
/*
* We need to make sure the location we intend to put secondary core
* boot code is reserved and not used by any part of u-boot
*/
if (addr > determine_mp_bootpg(NULL)) {
addr = determine_mp_bootpg(NULL);
debug("Reserving MP boot page to %08lx\n", addr);
}
#endif
#ifdef CONFIG_LOGBUFFER
#ifndef CONFIG_ALT_LB_ADDR
/* reserve kernel log buffer */
addr -= (LOGBUFF_RESERVE);
debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN,
addr);
#endif
#endif
#ifdef CONFIG_PRAM
/*
* reserve protected RAM
*/
reg = getenv_ulong("pram", 10, CONFIG_PRAM);
addr -= (reg << 10); /* size is in kB */
debug("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
#endif /* CONFIG_PRAM */
/* round down to next 4 kB limit */
addr &= ~(4096 - 1);
debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
#ifdef CONFIG_LCD
#ifdef CONFIG_FB_ADDR
gd->fb_base = CONFIG_FB_ADDR;
#else
/* reserve memory for LCD display (always full pages) */
addr = lcd_setmem(addr);
gd->fb_base = addr;
#endif /* CONFIG_FB_ADDR */
#endif /* CONFIG_LCD */
#if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
/* reserve memory for video display (always full pages) */
addr = video_setmem(addr);
gd->fb_base = addr;
#endif /* CONFIG_VIDEO */
/*
* reserve memory for U-Boot code, data & bss
* round down to next 4 kB limit
*/
addr -= len;
addr &= ~(4096 - 1);
#ifdef CONFIG_E500
/* round down to next 64 kB limit so that IVPR stays aligned */
addr &= ~(65536 - 1);
#endif
debug("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
/*
* reserve memory for malloc() arena
*/
addr_sp = addr - TOTAL_MALLOC_LEN;
debug("Reserving %dk for malloc() at: %08lx\n",
TOTAL_MALLOC_LEN >> 10, addr_sp);
/*
* (permanently) allocate a Board Info struct
* and a permanent copy of the "global" data
*/
addr_sp -= sizeof(bd_t);
bd = (bd_t *) addr_sp;
memset(bd, 0, sizeof(bd_t));
gd->bd = bd;
debug("Reserving %zu Bytes for Board Info at: %08lx\n",
sizeof(bd_t), addr_sp);
addr_sp -= sizeof(gd_t);
id = (gd_t *) addr_sp;
debug("Reserving %zu Bytes for Global Data at: %08lx\n",
sizeof(gd_t), addr_sp);
/*
* Finally, we set up a new (bigger) stack.
*
* Leave some safety gap for SP, force alignment on 16 byte boundary
* Clear initial stack frame
*/
addr_sp -= 16;
addr_sp &= ~0xF;
s = (ulong *) addr_sp;
*s = 0; /* Terminate back chain */
*++s = 0; /* NULL return address */
debug("Stack Pointer at: %08lx\n", addr_sp);
/*
* Save local variables to board info struct
*/
bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of memory */
bd->bi_memsize = gd->ram_size; /* size in bytes */
#ifdef CONFIG_SYS_SRAM_BASE
bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM */
bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */
#endif
#if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) || defined(CONFIG_5xx) || \
defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
#endif
#if defined(CONFIG_MPC5xxx)
bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
#endif
#if defined(CONFIG_MPC83xx)
bd->bi_immrbar = CONFIG_SYS_IMMR;
#endif
WATCHDOG_RESET();
bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
#if defined(CONFIG_CPM2)
bd->bi_cpmfreq = gd->arch.cpm_clk;
bd->bi_brgfreq = gd->arch.brg_clk;
bd->bi_sccfreq = gd->arch.scc_clk;
bd->bi_vco = gd->arch.vco_out;
#endif /* CONFIG_CPM2 */
#if defined(CONFIG_MPC512X)
bd->bi_ipsfreq = gd->arch.ips_clk;
#endif /* CONFIG_MPC512X */
#if defined(CONFIG_MPC5xxx)
bd->bi_ipbfreq = gd->arch.ipb_clk;
bd->bi_pcifreq = gd->pci_clk;
#endif /* CONFIG_MPC5xxx */
#ifdef CONFIG_SYS_EXTBDINFO
strncpy((char *) bd->bi_s_version, "1.2", sizeof(bd->bi_s_version));
strncpy((char *) bd->bi_r_version, U_BOOT_VERSION,
sizeof(bd->bi_r_version));
bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
bd->bi_plb_busfreq = gd->bus_clk;
#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
bd->bi_pci_busfreq = get_PCI_freq();
bd->bi_opbfreq = get_OPB_freq();
#elif defined(CONFIG_XILINX_405)
bd->bi_pci_busfreq = get_PCI_freq();
#endif
#endif
debug("New Stack Pointer is: %08lx\n", addr_sp);
WATCHDOG_RESET();
gd->relocaddr = addr; /* Store relocation addr, useful for debug */
memcpy(id, (void *) gd, sizeof(gd_t));
relocate_code(addr_sp, id, addr);
/* NOTREACHED - relocate_code() does not return */
}
void board_init_f(ulong bootflag)
{
bd_t *bd;
init_fnc_t **init_fnc_ptr;
gd_t *id;
ulong addr, addr_sp;
#ifdef CONFIG_PRAM
ulong reg;
#endif
bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f");
/* Pointer is writable since we allocated a register for it */
gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("": : :"memory");
memset((void *)gd, 0, sizeof(gd_t));
gd->mon_len = _bss_end_ofs;
#ifdef CONFIG_OF_EMBED
/* Get a pointer to the FDT */
gd->fdt_blob = _binary_dt_dtb_start;
#elif defined CONFIG_OF_SEPARATE
/* FDT is at end of image */
gd->fdt_blob = (void *)(_end_ofs + _TEXT_BASE);
#endif
/* Allow the early environment to override the fdt address */
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
(uintptr_t)gd->fdt_blob);
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
if ((*init_fnc_ptr)() != 0) {
hang ();
}
}
#ifdef CONFIG_OF_CONTROL
/* For now, put this check after the console is ready */
if (fdtdec_prepare_fdt()) {
panic("** CONFIG_OF_CONTROL defined but no FDT - please see "
"doc/README.fdt-control");
}
#endif
debug("monitor len: %08lX\n", gd->mon_len);
/*
* Ram is setup, size stored in gd !!
*/
//gd->ram_size = gd->bd->bi_dram[0].size;
debug("ramsize: %08lX\n", gd->ram_size);
#if defined(CONFIG_SYS_MEM_TOP_HIDE)
/*
* Subtract specified amount of memory to hide so that it won't
* get "touched" at all by U-Boot. By fixing up gd->ram_size
* the Linux kernel should now get passed the now "corrected"
* memory size and won't touch it either. This should work
* for arch/ppc and arch/powerpc. Only Linux board ports in
* arch/powerpc with bootwrapper support, that recalculate the
* memory size from the SDRAM controller setup will have to
* get fixed.
*/
gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
#endif
addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
#ifdef CONFIG_LOGBUFFER
#ifndef CONFIG_ALT_LB_ADDR
/* reserve kernel log buffer */
addr -= (LOGBUFF_RESERVE);
debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN,
addr);
#endif
#endif
#ifdef CONFIG_PRAM
/*
* reserve protected RAM
*/
reg = getenv_ulong("pram", 10, CONFIG_PRAM);
addr -= (reg << 10); /* size is in kB */
debug("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
#endif /* CONFIG_PRAM */
#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
/* reserve TLB table */
addr -= (4096 * 4);
/* round down to next 64 kB limit */
addr &= ~(0x10000 - 1);
gd->tlb_addr = addr;
debug("TLB table at: %08lx\n", addr);
#endif
/* round down to next 4 kB limit */
addr &= ~(4096 - 1);
debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
#ifdef CONFIG_LCD
#ifdef CONFIG_FB_ADDR
gd->fb_base = CONFIG_FB_ADDR;
#else
/* reserve memory for LCD display (always full pages) */
addr = lcd_setmem(addr);
gd->fb_base = addr;
#endif /* CONFIG_FB_ADDR */
#endif /* CONFIG_LCD */
/*
* reserve memory for U-Boot code, data & bss
* round down to next 4 kB limit
*/
addr -= gd->mon_len;
addr &= ~(4096 - 1);
debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr);
#ifndef CONFIG_SPL_BUILD
/*
* reserve memory for malloc() arena
*/
addr_sp = addr - TOTAL_MALLOC_LEN;
debug("Reserving %dk for malloc() at: %08lx\n",
TOTAL_MALLOC_LEN >> 10, addr_sp);
/*
* (permanently) allocate a Board Info struct
* and a permanent copy of the "global" data
*/
addr_sp -= sizeof (bd_t);
bd = (bd_t *) addr_sp;
gd->bd = bd;
debug("Reserving %zu Bytes for Board Info at: %08lx\n",
sizeof (bd_t), addr_sp);
#ifdef CONFIG_MACH_TYPE
gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */
#endif
addr_sp -= sizeof (gd_t);
id = (gd_t *) addr_sp;
debug("Reserving %zu Bytes for Global Data at: %08lx\n",
sizeof (gd_t), addr_sp);
/* setup stackpointer for exeptions */
gd->irq_sp = addr_sp;
#ifdef CONFIG_USE_IRQ
addr_sp -= (CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ);
debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp);
#endif
/* leave 3 words for abort-stack */
addr_sp -= 12;
/* 8-byte alignment for ABI compliance */
addr_sp &= ~0x07;
#else
addr_sp += 128; /* leave 32 words for abort-stack */
gd->irq_sp = addr_sp;
#endif
debug("New Stack Pointer is: %08lx\n", addr_sp);
#ifdef CONFIG_POST
post_bootmode_init();
post_run(NULL, POST_ROM | post_bootmode_get(0));
#endif
gd->bd->bi_baudrate = gd->baudrate;
/* Ram ist board specific, so move it to board code ... */
dram_init_banksize();
display_dram_config(); /* and display it */
gd->relocaddr = addr;
gd->start_addr_sp = addr_sp;
gd->reloc_off = addr - _TEXT_BASE;
debug("relocation Offset is: %08lx\n", gd->reloc_off);
memcpy(id, (void *)gd, sizeof(gd_t));
relocate_code(addr_sp, id, addr);
/* NOTREACHED - relocate_code() does not return */
}
void board_init_r(gd_t *new_gd, ulong dest_addr)
{
extern void malloc_bin_reloc (void);
#ifndef CONFIG_ENV_IS_NOWHERE
extern char * env_name_spec;
#endif
char *s;
bd_t *bd;
gd = new_gd;
bd = gd->bd;
gd->flags |= GD_FLG_RELOC;
gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
/* Enable the MMU so that we can keep u-boot simple */
mmu_init_r(dest_addr);
board_early_init_r();
monitor_flash_len = _edata - _text;
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
/*
* We have to relocate the command table manually
*/
fixup_cmdtable(&__u_boot_cmd_start,
(ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start));
#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
/* there are some other pointer constants we must deal with */
#ifndef CONFIG_ENV_IS_NOWHERE
env_name_spec += gd->reloc_off;
#endif
timer_init();
/* The malloc area is right below the monitor image in RAM */
mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN);
malloc_bin_reloc();
dma_alloc_init();
enable_interrupts();
bd->bi_flashstart = 0;
bd->bi_flashsize = 0;
bd->bi_flashoffset = 0;
#ifndef CONFIG_SYS_NO_FLASH
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
bd->bi_flashsize = flash_init();
bd->bi_flashoffset = (unsigned long)_edata - (unsigned long)_text;
if (bd->bi_flashsize)
display_flash_config();
#endif
if (bd->bi_dram[0].size)
display_dram_config();
gd->bd->bi_boot_params = malloc(CONFIG_SYS_BOOTPARAMS_LEN);
if (!gd->bd->bi_boot_params)
puts("WARNING: Cannot allocate space for boot parameters\n");
/* initialize environment */
env_relocate();
bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
stdio_init();
jumptable_init();
console_init_r();
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
s = getenv("bootfile");
if (s)
copy_filename(BootFile, s, sizeof(BootFile));
puts("Net: ");
eth_initialize(gd->bd);
#endif
#ifdef CONFIG_GENERIC_ATMEL_MCI
mmc_initialize(gd->bd);
#endif
for (;;) {
main_loop();
}
}
void board_init_f(ulong bootflag)
{
bd_t *bd;
init_fnc_t **init_fnc_ptr;
int j;
#ifndef CONFIG_SYS_NO_FLASH
ulong flash_size;
#endif
gd = (gd_t *) (CONFIG_SYS_GBL_DATA_OFFSET);
/* Clear initial global data */
memset((void *)gd, 0, sizeof(gd_t));
gd->bd = (bd_t *) (gd + 1); /* At end of global data */
gd->baudrate = CONFIG_BAUDRATE;
gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
bd = gd->bd;
bd->bi_memstart = CONFIG_SYS_RAM_BASE;
bd->bi_memsize = CONFIG_SYS_RAM_SIZE;
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
#endif
bd->bi_baudrate = CONFIG_BAUDRATE;
bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
gd->reloc_off = CONFIG_SYS_RELOC_MONITOR_BASE - CONFIG_SYS_MONITOR_BASE;
for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr;
++init_fnc_ptr, j++) {
#ifdef DEBUG_INIT_SEQUENCE
if (j > 9)
str_init_seq[9] = '0' + (j / 10);
str_init_seq[10] = '0' + (j - (j / 10) * 10);
serial_puts(str_init_seq);
#endif
if ((*init_fnc_ptr + gd->reloc_off) () != 0) {
hang();
}
}
#ifdef DEBUG_INIT_SEQUENCE
serial_puts(str_init_seq_done);
#endif
/*
* Now that we have DRAM mapped and working, we can
* relocate the code and continue running from DRAM.
*
* Reserve memory at end of RAM for (top down in that order):
* - kernel log buffer
* - protected RAM
* - LCD framebuffer
* - monitor code
* - board info struct
*/
#ifdef DEBUG_MEM_LAYOUT
printf("CONFIG_SYS_MONITOR_BASE: 0x%lx\n", CONFIG_SYS_MONITOR_BASE);
printf("CONFIG_ENV_ADDR: 0x%lx\n", CONFIG_ENV_ADDR);
printf("CONFIG_SYS_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CONFIG_SYS_RELOC_MONITOR_BASE,
CONFIG_SYS_MONITOR_LEN);
printf("CONFIG_SYS_MALLOC_BASE: 0x%lx (%d)\n", CONFIG_SYS_MALLOC_BASE,
CONFIG_SYS_MALLOC_LEN);
printf("CONFIG_SYS_INIT_SP_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_INIT_SP_OFFSET,
CONFIG_SYS_STACK_SIZE);
printf("CONFIG_SYS_PROM_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_PROM_OFFSET,
CONFIG_SYS_PROM_SIZE);
printf("CONFIG_SYS_GBL_DATA_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_GBL_DATA_OFFSET,
GENERATED_GBL_DATA_SIZE);
#endif
#ifdef CONFIG_POST
post_bootmode_init();
post_run(NULL, POST_ROM | post_bootmode_get(0));
#endif
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
/*
* We have to relocate the command table manually
*/
fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
ll_entry_count(cmd_tbl_t, cmd));
#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
#if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
puts("AMBA:\n");
do_ambapp_print(NULL, 0, 0, NULL);
#endif
/* initialize higher level parts of CPU like time base and timers */
cpu_init_r();
/* start timer */
timer_interrupt_init();
/*
* Enable Interrupts before any calls to udelay,
* the flash driver may use udelay resulting in
* a hang if not timer0 IRQ is enabled.
*/
interrupt_init();
/* The Malloc area is immediately below the monitor copy in RAM */
mem_malloc_init(CONFIG_SYS_MALLOC_BASE,
CONFIG_SYS_MALLOC_END - CONFIG_SYS_MALLOC_BASE);
#if !defined(CONFIG_SYS_NO_FLASH)
puts("Flash: ");
if ((flash_size = flash_init()) > 0) {
# ifdef CONFIG_SYS_FLASH_CHECKSUM
print_size(flash_size, "");
/*
* Compute and print flash CRC if flashchecksum is set to 'y'
*
* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
*/
if (getenv_yesno("flashchecksum") == 1) {
printf(" CRC: %08lX",
crc32(0, (const unsigned char *)CONFIG_SYS_FLASH_BASE,
flash_size)
);
}
putc('\n');
# else /* !CONFIG_SYS_FLASH_CHECKSUM */
print_size(flash_size, "\n");
# endif /* CONFIG_SYS_FLASH_CHECKSUM */
} else {
puts(failed);
hang();
}
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
#else
bd->bi_flashoffset = 0;
#endif
#else /* CONFIG_SYS_NO_FLASH */
bd->bi_flashsize = 0;
bd->bi_flashstart = 0;
bd->bi_flashoffset = 0;
#endif /* !CONFIG_SYS_NO_FLASH */
#ifdef CONFIG_SPI
# if !defined(CONFIG_ENV_IS_IN_EEPROM)
spi_init_f();
# endif
spi_init_r();
#endif
/* relocate environment function pointers etc. */
env_relocate();
#if defined(CONFIG_BOARD_LATE_INIT)
board_late_init();
#endif
#ifdef CONFIG_ID_EEPROM
mac_read_from_eeprom();
#endif
#if defined(CONFIG_PCI)
/*
* Do pci configuration
*/
pci_init();
#endif
/* Initialize stdio devices */
stdio_init();
/* Initialize the jump table for applications */
jumptable_init();
/* Initialize the console (after the relocation and devices init) */
console_init_r();
#ifdef CONFIG_STATUS_LED
status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
#endif
udelay(20);
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
WATCHDOG_RESET();
#if defined(CONFIG_CMD_DOC)
WATCHDOG_RESET();
puts("DOC: ");
doc_init();
#endif
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
WATCHDOG_RESET();
puts("Net: ");
eth_initialize(bd);
#endif
#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
WATCHDOG_RESET();
debug("Reset Ethernet PHY\n");
reset_phy();
#endif
#ifdef CONFIG_POST
post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif
#if defined(CONFIG_CMD_IDE)
WATCHDOG_RESET();
puts("IDE: ");
ide_init();
#endif /* CONFIG_CMD_IDE */
#ifdef CONFIG_LAST_STAGE_INIT
WATCHDOG_RESET();
/*
* Some parts can be only initialized if all others (like
* Interrupts) are up and running (i.e. the PC-style ISA
* keyboard).
*/
last_stage_init();
#endif
#ifdef CONFIG_PS2KBD
puts("PS/2: ");
kbd_init();
#endif
prom_init();
/* main_loop */
for (;;) {
WATCHDOG_RESET();
main_loop();
}
}
