static int sh_mem_env_init(void)
{
mem_malloc_init(TEXT_BASE - CONFIG_SYS_GBL_DATA_SIZE -
CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16);
malloc_bin_reloc();
env_relocate();
jumptable_init();
return 0;
}
void board_init_f(ulong bootflag)
{
cmd_tbl_t *cmdtp;
bd_t *bd;
unsigned char *s;
init_fnc_t **init_fnc_ptr;
int j;
int i;
char *e;
#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,
CONFIG_SYS_GBL_DATA_SIZE);
#endif
#ifdef CONFIG_POST
post_bootmode_init();
post_run(NULL, POST_ROM | post_bootmode_get(0));
#endif
/*
* We have to relocate the command table manually
*/
for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
ulong addr;
addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
#if DEBUG_COMMANDS
printf("Command \"%s\": 0x%08lx => 0x%08lx\n",
cmdtp->name, (ulong) (cmdtp->cmd), addr);
#endif
cmdtp->cmd =
(int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
addr = (ulong) (cmdtp->name) + gd->reloc_off;
cmdtp->name = (char *)addr;
if (cmdtp->usage) {
addr = (ulong) (cmdtp->usage) + gd->reloc_off;
cmdtp->usage = (char *)addr;
}
#ifdef CONFIG_SYS_LONGHELP
if (cmdtp->help) {
addr = (ulong) (cmdtp->help) + gd->reloc_off;
cmdtp->help = (char *)addr;
}
#endif
}
#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);
malloc_bin_reloc();
#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
*/
s = getenv("flashchecksum");
if (s && (*s == 'y')) {
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
/* IP Address */
bd->bi_ip_addr = getenv_IPaddr("ipaddr");
#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_SERIAL_SOFTWARE_FIFO
serial_buffered_init();
#endif
#ifdef CONFIG_STATUS_LED
status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
#endif
udelay(20);
set_timer(0);
/* Initialize from environment */
if ((s = getenv("loadaddr")) != NULL) {
load_addr = simple_strtoul(s, NULL, 16);
}
#if defined(CONFIG_CMD_NET)
if ((s = getenv("bootfile")) != NULL) {
copy_filename(BootFile, s, sizeof(BootFile));
}
#endif /* CONFIG_CMD_NET */
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)
#if defined(CONFIG_NET_MULTI)
WATCHDOG_RESET();
puts("Net: ");
#endif
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();
}
}
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_r(gd_t *id, ulong dest_addr)
{
#ifndef CONFIG_SYS_NO_FLASH
ulong size;
#endif
extern void malloc_bin_reloc(void);
#ifndef CONFIG_ENV_IS_NOWHERE
extern char *env_name_spec;
#endif
bd_t *bd;
gd = id;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
monitor_flash_len = (ulong)&uboot_end_data - dest_addr;
#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
bd = gd->bd;
/* The Malloc area is immediately below the monitor copy in DRAM */
mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
malloc_bin_reloc();
#ifndef CONFIG_SYS_NO_FLASH
/* configure available FLASH banks */
size = flash_init();
display_flash_config(size);
bd->bi_flashsize = size;
#endif
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
bd->bi_flashoffset = monitor_flash_len; /* reserved area for U-Boot */
#else
bd->bi_flashoffset = 0;
#endif
#ifdef CONFIG_CMD_NAND
puts("NAND: ");
nand_init(); /* go init the NAND */
#endif
#if defined(CONFIG_CMD_ONENAND)
onenand_init();
#endif
/* relocate environment function pointers etc. */
env_relocate();
/* IP Address */
bd->bi_ip_addr = getenv_IPaddr("ipaddr");
#if defined(CONFIG_PCI)
/*
* Do pci configuration
*/
pci_init();
#endif
/** leave this here (after malloc(), environment and PCI are working) **/
/* Initialize stdio devices */
stdio_init();
jumptable_init();
/* Initialize the console (after the relocation and devices init) */
console_init_r();
/** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **/
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
#if defined(CONFIG_CMD_NET)
{
char *s = getenv("bootfile");
if (s != NULL)
copy_filename(BootFile, s, sizeof(BootFile));
}
#endif
#ifdef CONFIG_CMD_SPI
puts("SPI: ");
spi_init(); /* go init the SPI */
puts("ready\n");
#endif
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
misc_init_r();
#endif
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
puts("Net: ");
eth_initialize(gd->bd);
#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 */
}
/*
* 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)
{
char *s;
bd_t *bd;
ulong malloc_start;
extern void malloc_bin_reloc(void);
gd = id;
bd = gd->bd;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
monitor_flash_len = &_end - &_start;
debug("monitor flash len: %08lX\n", monitor_flash_len);
board_init(); /* Setup chipselects */
#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) */
#ifdef CONFIG_SERIAL_MULTI
serial_initialize();
#endif
debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
/* 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);
malloc_bin_reloc();
#ifndef CONFIG_SYS_NO_FLASH
/* configure available FLASH banks */
gd->bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
gd->bd->bi_flashsize = flash_init();
gd->bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + gd->bd->bi_flashsize;
if (gd->bd->bi_flashsize)
display_flash_config(gd->bd->bi_flashsize);
#endif /* CONFIG_SYS_NO_FLASH */
#if defined(CONFIG_CMD_NAND)
puts("NAND: ");
nand_init(); /* go init the NAND */
#endif
#if defined(CONFIG_CMD_IDE)
puts("IDE: ");
ide_init();
#endif
#ifdef CONFIG_GENERIC_MMC
puts("MMC: ");
mmc_initialize(gd->bd);
#endif
/* initialize environment */
env_relocate();
#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
nds32_pci_init();
#endif
/* IP Address */
gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
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 */
#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
#if defined(CONFIG_USE_IRQ)
/* set up exceptions */
interrupt_init();
/* enable exceptions */
enable_interrupts();
#endif
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
#if defined(CONFIG_CMD_NET)
s = getenv("bootfile");
if (s != NULL)
copy_filename(BootFile, s, sizeof(BootFile));
#endif
#ifdef BOARD_LATE_INIT
board_late_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
/* 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 */
}