void aboot(unsigned *info)
{
unsigned bootdevice, n, len;
board_mux_init();
sdelay(100);
scale_vcores();
prcm_init();
board_ddr_init();
gpmc_init();
board_late_init();
serial_init();
serial_puts("\n[ aboot second-stage loader ]\n\n");
if (info) {
bootdevice = info[2] & 0xFF;
} else {
bootdevice = 0x45;
}
switch (bootdevice) {
case 0x45: /* USB */
serial_puts("boot device: USB\n\n");
n = load_from_usb(&len);
break;
case 0x05:
case 0x06:
serial_puts("boot device: MMC\n\n");
n = load_from_mmc(bootdevice, &len);
break;
default:
serial_puts("boot device: unknown\n");
for (;;) ;
}
if (n) {
serial_puts("io error\n");
} else {
boot_image(cfg_machine_type, CONFIG_ADDR_DOWNLOAD, len);
serial_puts("invalid image\n");
}
}
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 *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 start_armboot (void)
{
init_fnc_t **init_fnc_ptr;
char *s;
int mmc_exist = 0;
#if defined(CONFIG_VFD) || defined(CONFIG_LCD)
unsigned long addr;
#endif
/* Pointer is writable since we allocated a register for it */
gd = (gd_t*)(_armboot_start - CONFIG_SYS_MALLOC_LEN - sizeof(gd_t));
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("": : :"memory");
memset ((void*)gd, 0, sizeof (gd_t));
gd->bd = (bd_t*)((char*)gd - sizeof(bd_t));
memset (gd->bd, 0, sizeof (bd_t));
// gd->flags |= GD_FLG_RELOC;
monitor_flash_len = _bss_start - _armboot_start;
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
if ((*init_fnc_ptr)() != 0) {
hang ();
}
}
/* armboot_start is defined in the board-specific linker script */
mem_malloc_init (_armboot_start - CONFIG_SYS_MALLOC_LEN,
CONFIG_SYS_MALLOC_LEN);
#ifndef CONFIG_SYS_NO_FLASH
/* configure available FLASH banks */
display_flash_config (flash_init ());
#endif /* CONFIG_SYS_NO_FLASH */
#ifdef CONFIG_VFD
# ifndef PAGE_SIZE
# define PAGE_SIZE 4096
# endif
/*
* reserve memory for VFD display (always full pages)
*/
/* bss_end is defined in the board-specific linker script */
addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
vfd_setmem (addr);
gd->fb_base = addr;
#endif /* CONFIG_VFD */
#ifdef CONFIG_LCD
/* board init may have inited fb_base */
if (!gd->fb_base) {
# ifndef PAGE_SIZE
# define PAGE_SIZE 4096
# endif
/*
* reserve memory for LCD display (always full pages)
*/
/* bss_end is defined in the board-specific linker script */
addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
lcd_setmem (addr);
gd->fb_base = addr;
}
#endif /* CONFIG_LCD */
#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_exist = mmc_initialize (gd->bd);
if (mmc_exist != 0)
{
puts ("0 MB\n");
}
#endif
#ifdef CONFIG_HAS_DATAFLASH
AT91F_DataflashInit();
dataflash_print_info();
#endif
/* initialize environment */
env_relocate ();
#ifdef CONFIG_VFD
/* must do this after the framebuffer is allocated */
drv_vfd_init();
#endif /* CONFIG_VFD */
#ifdef CONFIG_SERIAL_MULTI
serial_initialize();
#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
/* enable exceptions */
enable_interrupts ();
/* Perform network card initialisation if necessary */
#ifdef CONFIG_DRIVER_TI_EMAC
/* XXX: this needs to be moved to board init */
extern void davinci_eth_set_mac_addr (const u_int8_t *addr);
if (getenv ("ethaddr")) {
uchar enetaddr[6];
eth_getenv_enetaddr("ethaddr", enetaddr);
davinci_eth_set_mac_addr(enetaddr);
}
#endif
#if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
/* XXX: this needs to be moved to board init */
if (getenv ("ethaddr")) {
uchar enetaddr[6];
eth_getenv_enetaddr("ethaddr", enetaddr);
smc_set_mac_addr(enetaddr);
}
#endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
/* 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
#ifdef BOARD_LATE_INIT
board_late_init ();
#endif
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
#if defined(CONFIG_NET_MULTI)
puts ("Net: ");
#endif
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 */
}
void board_init_r(gd_t *id, ulong dest_addr)
{
char *s;
bd_t *bd;
ulong malloc_start;
#if !defined(CONFIG_SYS_NO_FLASH)
ulong flash_size;
#endif
gd = id;
bd = gd->bd;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
monitor_flash_len = _end_ofs;
/*
* Enable D$:
* I$, if needed, must be already enabled in start.S
*/
dcache_enable();
debug("monitor flash len: %08lX\n", monitor_flash_len);
board_init(); /* Setup chipselects */
#ifdef CONFIG_SERIAL_MULTI
serial_initialize();
#endif
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);
#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
*/
s = getenv("flashchecksum");
if (s && (*s == 'y')) {
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(bd);
#endif
#ifdef CONFIG_HAS_DATAFLASH
AT91F_DataflashInit();
dataflash_print_info();
#endif
/* initialize environment */
env_relocate();
#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
arm_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
/* set up exceptions */
interrupt_init();
/* enable exceptions */
enable_interrupts();
/* Perform network card initialisation if necessary */
#if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
/* XXX: this needs to be moved to board init */
if (getenv("ethaddr")) {
uchar enetaddr[6];
eth_getenv_enetaddr("ethaddr", enetaddr);
smc_set_mac_addr(enetaddr);
}
#endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
/* Initialize from environment */
s = getenv("loadaddr");
if (s != NULL)
load_addr = simple_strtoul(s, NULL, 16);
#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
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
#if defined(CONFIG_NET_MULTI)
puts("Net: ");
#endif
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;
uchar memsz[32];
#ifdef CONFIG_PRAM
char *s;
s = getenv("pram");
if (s != NULL)
pram = simple_strtoul(s, NULL, 10);
else
pram = CONFIG_PRAM;
#else
pram = 0;
#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", (bd->bi_memsize / 1024) - pram);
setenv("mem", (char *)memsz);
}
#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 (void)
{
bd_t *bd;
init_fnc_t **init_fnc_ptr;
static gd_t gd_data;
static bd_t bd_data;
/* Pointer is writable since we allocated a register for it. */
gd = &gd_data;
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("": : :"memory");
gd->bd = &bd_data;
gd->baudrate = CONFIG_BAUDRATE;
gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
bd = gd->bd;
bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
#ifndef CONFIG_SYS_NO_FLASH
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#endif
#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;
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
WATCHDOG_RESET ();
if ((*init_fnc_ptr) () != 0) {
hang ();
}
}
WATCHDOG_RESET ();
/* The Malloc area is immediately below the monitor copy in RAM */
mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
#ifndef CONFIG_SYS_NO_FLASH
WATCHDOG_RESET ();
bd->bi_flashsize = flash_init();
#endif
#ifdef CONFIG_CMD_NAND
puts("NAND: ");
nand_init();
#endif
#ifdef CONFIG_GENERIC_MMC
puts("MMC: ");
mmc_initialize(bd);
#endif
WATCHDOG_RESET ();
env_relocate();
WATCHDOG_RESET ();
stdio_init();
jumptable_init();
console_init_r();
WATCHDOG_RESET ();
interrupt_init ();
#if defined(CONFIG_BOARD_LATE_INIT)
board_late_init ();
#endif
#if defined(CONFIG_CMD_NET)
puts ("Net: ");
eth_initialize (bd);
#endif
/* main_loop */
for (;;) {
WATCHDOG_RESET ();
main_loop ();
}
}
int main(void)
{
cpu_init();
#if defined(CONFIG_INTERRUPT_MODE)
interrupt_init();
#endif
soc_init();
board_early_init();
gpio_init();
#if defined(CONFIG_TIMER)
timer_init();
#endif
#if defined(CONFIG_USB)
usb_init();
#endif
#if defined(CONFIG_SERIAL)
serial_init();
#endif
#if defined(CONFIG_DNX)
dnx();
#endif
#if defined(CONFIG_HARDWARE_CHARGING)
hardware_charging_init();
hardware_charging();
#endif
#if defined(CONFIG_PANIC)
panic_dump();
#endif
early_fixup();
early_sign_of_life();
#if defined(CONFIG_RTC)
rtc_init();
#endif
#if defined(CONFIG_WATCHDOG)
watchdog_init();
#endif
#if defined(CONFIG_SPI)
spi_init();
#endif
#if defined(CONFIG_I2C)
i2c_init();
#endif
board_misc_init();
late_fixup();
late_sign_of_life();
board_late_init();
boot_logic();
#if defined(CONFIG_GPIO_TST)
gpio_tst();
#endif
while (1) ;
return 0;
}
void board_init_r(gd_t *id, ulong dest_addr)
{
if (id)
gd = id;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
#ifdef CONFIG_SERIAL_MULTI
serial_initialize();
#endif
#ifdef CONFIG_POST
post_output_backlog();
#endif
/* The Malloc area is at the top of simulated DRAM */
mem_malloc_init((ulong)gd->ram_buf + gd->ram_size - TOTAL_MALLOC_LEN,
TOTAL_MALLOC_LEN);
/* initialize environment */
env_relocate();
/* IP Address */
gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
stdio_init(); /* get the devices list going. */
jumptable_init();
console_init_r(); /* fully init console as a device */
#if defined(CONFIG_DISPLAY_BOARDINFO_LATE)
checkboard();
#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();
#ifdef CONFIG_BOARD_LATE_INIT
board_late_init();
#endif
#ifdef CONFIG_POST
post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif
sandbox_main_loop_init();
/*
* For now, run the main loop. Later we might let this be done
* in the main program.
*/
while (1)
main_loop();
/* NOTREACHED - no way out of command loop except booting */
}
void board_init(void)
{
bd_t *bd;
int i;
gd = (gd_t *)CONFIG_SYS_GBL_DATA_ADDR;
memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
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_SDRAM_BASE;
bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
#ifndef CONFIG_SYS_NO_FLASH
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#endif
#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;
for (i = 0; i < ARRAY_SIZE(init_sequence); i++) {
WATCHDOG_RESET();
if (init_sequence[i]())
hang();
}
WATCHDOG_RESET();
/* The Malloc area is immediately below the monitor copy in RAM */
mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
#ifndef CONFIG_SYS_NO_FLASH
WATCHDOG_RESET();
bd->bi_flashsize = flash_init();
#endif
#ifdef CONFIG_CMD_NAND
puts("NAND: ");
nand_init();
#endif
#ifdef CONFIG_GENERIC_MMC
puts("MMC: ");
mmc_initialize(bd);
#endif
WATCHDOG_RESET();
env_relocate();
WATCHDOG_RESET();
stdio_init();
jumptable_init();
console_init_r();
WATCHDOG_RESET();
interrupt_init();
#if defined(CONFIG_BOARD_LATE_INIT)
board_late_init();
#endif
#if defined(CONFIG_CMD_NET)
puts("NET: ");
eth_initialize(bd);
#endif
/* main_loop */
for (;;) {
WATCHDOG_RESET();
main_loop();
}
}
void board_init_r(gd_t *id, ulong dest_addr)
{
ulong malloc_start;
#if !defined(CONFIG_SYS_NO_FLASH)
ulong flash_size;
#endif
gd = id;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
monitor_flash_len = _end_ofs;/*u-boot.lds中定义*/
/* Enable caches */
enable_caches();
debug("monitor flash len: %08lX\n", monitor_flash_len);
board_init(); /* Setup chipselects//打印一些版本信息，电源管理信息 */
/*
* 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
#ifdef CONFIG_SERIAL_MULTI
#ifndef CONFIG_CPU_EXYNOS5410
serial_initialize();
#endif
#endif
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
#if !defined(CONFIG_SYS_NO_FLASH)
puts("Flash: ");
flash_size = flash_init();
if (flash_size > 0) {
# ifdef CONFIG_SYS_FLASH_CHECKSUM
char *s = getenv("flashchecksum");
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 (s && (*s == 'y')) {
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_HAS_DATAFLASH
AT91F_DataflashInit();
dataflash_print_info();
#endif
/* initialize environment */
env_relocate();
#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 */
#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();
/* Perform network card initialisation if necessary */
#if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
/* XXX: this needs to be moved to board init */
if (getenv("ethaddr")) {
uchar enetaddr[6];
eth_getenv_enetaddr("ethaddr", enetaddr);
smc_set_mac_addr(enetaddr);
}
#endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
#ifdef CONFIG_BOARD_LATE_INIT
board_late_init();//晚点执行的初始化在smdk5420.c
#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
/* main_loop() can return to retry autoboot, if so just run it again. */
for (;;) {
main_loop();//进入命令行模式
}
/* NOTREACHED - no way out of command loop except booting */
}
void board_init_r(gd_t *id, ulong dest_addr)
{
char *s;
//bd_t *bd;
ulong malloc_start;
#ifdef CONFIG_NONCACHE_MEMORY
uint malloc_noncache_start;
#endif
#if !defined(CONFIG_SYS_NO_FLASH)
ulong flash_size;
#endif
int workmode;
int ret;
gd = id;
//bd = gd->bd;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
monitor_flash_len = _end_ofs;
malloc_start = dest_addr - TOTAL_MALLOC_LEN - sizeof(struct spare_boot_head_t);
#ifdef CONFIG_NONCACHE_MEMORY_SIZE
malloc_start &= (~(0x00100000 -1));
malloc_noncache_start = malloc_start - CONFIG_NONCACHE_MEMORY_SIZE;
gd->malloc_noncache_start = malloc_noncache_start;
#endif
/* Enable caches */
enable_caches();
debug("monitor flash len: %08lX\n", monitor_flash_len);
board_init(); /* Setup chipselects */
#ifdef CONFIG_SERIAL_MULTI
serial_initialize();
#endif
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 */
mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
#ifdef CONFIG_NONCACHE_MEMORY
mem_noncache_malloc_init(malloc_noncache_start, CONFIG_NONCACHE_MEMORY_SIZE);
#endif
workmode = uboot_spare_head.boot_data.work_mode;
debug("work mode %d\n", workmode);
axp_reinit();
//uboot_spare_head.boot_data.work_mode = WORK_MODE_CARD_PRODUCT;
#ifdef CONFIG_ARCH_HOMELET
gpio_control();
#endif
#if 0
#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
*/
s = getenv("flashchecksum");
if (s && (*s == 'y')) {
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
#endif
/* set up exceptions */
interrupt_init();
/* enable exceptions */
enable_interrupts();
sunxi_dma_init();
#ifdef CONFIG_ALLWINNER
#ifdef DEBUG
puts("ready to config storage\n");
#endif
if((workmode == WORK_MODE_BOOT) || (workmode == WORK_MODE_CARD_PRODUCT))
{
#if defined(CONFIG_SUNXI_DISPLAY)
drv_disp_init();
#endif
board_display_device_open();
board_display_layer_request();
}
ret = sunxi_flash_handle_init();
if(!ret)
{
sunxi_partition_init();
}
#else
#if defined(CONFIG_CMD_NAND)
if(!storage_type){
puts("NAND: ");
nand_init(); /* go init the NAND */
}
#endif/*CONFIG_CMD_NAND*/
#if defined(CONFIG_GENERIC_MMC)
if(storage_type){
puts("MMC: ");
mmc_initialize(bd);
}
#endif/*CONFIG_GENERIC_MMC*/
#endif/*CONFIG_ALLWINNER*/
#ifdef CONFIG_ARCH_HOMELET
extern int check_boot_recovery_key();
extern int sprite_form_sysrecovery();
extern int sprite_led_init(void);
extern int sprite_led_exit(int status);
if (!check_boot_recovery_key())
{
sprite_led_init();
ret = sprite_form_sysrecovery();
sprite_led_exit(ret);
}
#endif
#ifdef CONFIG_HAS_DATAFLASH
AT91F_DataflashInit();
dataflash_print_info();
#endif
/* initialize environment */
env_relocate();
#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
arm_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
/* Perform network card initialisation if necessary */
#if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
/* XXX: this needs to be moved to board init */
if (getenv("ethaddr")) {
uchar enetaddr[6];
eth_getenv_enetaddr("ethaddr", enetaddr);
smc_set_mac_addr(enetaddr);
}
#endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
/* Initialize from environment */
s = getenv("loadaddr");
if (s != NULL)
load_addr = simple_strtoul(s, NULL, 16);
#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
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
#if defined(CONFIG_NET_MULTI)
puts("Net: ");
#endif
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;
uchar memsz[32];
#ifdef CONFIG_PRAM
char *s;
s = getenv("pram");
if (s != NULL)
pram = simple_strtoul(s, NULL, 10);
else
pram = CONFIG_PRAM;
#else
pram = 0;
#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
//sprite_cartoon_test();
if(workmode == WORK_MODE_BOOT)
{
#if defined(CONFIG_SUNXI_SCRIPT_REINIT)
{
FATFS script_mount;
int ret;
uint read_bytes = 0;
FIL script_fs;
uchar *buf = NULL;
f_mount(0, &script_mount);
ret = f_open (&script_fs, "0:script.bin", FA_OPEN_EXISTING | FA_READ | FA_WRITE );
if(ret)
{
printf("cant open script.bin, maybe it is not exist\n");
}
else
{
buf = (uchar *)malloc(100 * 1024);
memset(buf, 0, 100 * 1024);
if(!f_read(&script_fs, buf, 100 * 1024, &read_bytes))
{
printf("f_read read bytes = %d\n", read_bytes);
}
f_close(&script_fs);
puts("try to unlink file ");
printf("%d\n", f_unlink("0:script.bin"));
}
f_mount(0, NULL);
if(read_bytes > 0)
{
char *tmp_target_buffer = (char *)(CONFIG_SYS_TEXT_BASE - 0x01000000);
sunxi_flash_exit(1);
memcpy(tmp_target_buffer + uboot_spare_head.boot_head.uboot_length, buf, read_bytes);
sunxi_sprite_download_uboot(tmp_target_buffer, uboot_spare_head.boot_data.storage_type, 1);
reset_cpu(0);
}
if(buf)
{
free(buf);
}
}
#endif
printf("WORK_MODE_BOOT\n");
#ifdef CONFIG_ALLWINNER
#if (defined(CONFIG_SUN6I) || defined(CONFIG_A50) || defined(CONFIG_SUN7I))
if(!ret)
{
#ifndef CONFIG_ARCH_HOMELET
printf("board_status_probe\n");
board_status_probe(0);
#endif
printf("sunxi_bmp_display\n");
sunxi_bmp_display("bootlogo.bmp");
}
#endif
printf("WORK_MODE_BOOT\n");
#endif
}
/* main_loop() can return to retry autoboot, if so just run it again. */
for (;;)
{
main_loop();
}
hang();
/* 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;
#ifdef CONFIG_NONCACHE_MEMORY
uint malloc_noncache_start;
#endif
#if !defined(CONFIG_SYS_NO_FLASH)
ulong flash_size;
#endif
int workmode;
int ret;
#ifdef CONFIG_SUNXI_HDCP_IN_SECURESTORAGE
int hdcpkey_enable=0;
#endif
char storage_type_buf[24] = {0};
char boot_mmc_buf[24] = {0};
gd = id;
//bd = gd->bd;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
monitor_flash_len = _end_ofs;
malloc_start = dest_addr - TOTAL_MALLOC_LEN - sizeof(struct spare_boot_head_t);
#ifdef CONFIG_NONCACHE_MEMORY_SIZE
malloc_start &= (~(0x00100000 -1));
malloc_noncache_start = malloc_start - CONFIG_NONCACHE_MEMORY_SIZE;
gd->malloc_noncache_start = malloc_noncache_start;
#endif
/* Enable caches */
enable_caches();
debug("monitor flash len: %08lX\n", monitor_flash_len);
board_init(); /* Setup chipselects */
#ifdef CONFIG_SERIAL_MULTI
serial_initialize();
#endif
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 */
mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
#ifdef CONFIG_SMALL_MEMSIZE
save_config();
#endif
#ifdef CONFIG_NONCACHE_MEMORY
mem_noncache_malloc_init(malloc_noncache_start, CONFIG_NONCACHE_MEMORY_SIZE);
#endif
#if defined(CONFIG_ARCH_HOMELET)
check_physical_key_early();
#endif
workmode = uboot_spare_head.boot_data.work_mode;
debug("work mode %d\n", workmode);
axp_reinit();
//uboot_spare_head.boot_data.work_mode = WORK_MODE_CARD_PRODUCT;
#if defined(CONFIG_CPUS_STANDBY) //Ŀǰֻ��homelet��ʹ��
do_box_standby();
#endif
#ifdef CONFIG_ARCH_HOMELET
gpio_control();
#endif
#if 0
#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
*/
s = getenv("flashchecksum");
if (s && (*s == 'y')) {
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
#endif
/* set up exceptions */
interrupt_init();
/* enable exceptions */
enable_interrupts();
sunxi_dma_init();
#ifdef CONFIG_USE_CIR //����ӿڣ�Ŀǰֻ���ں��� A20
if (uboot_spare_head.boot_data.work_mode == WORK_MODE_BOOT)
{
ir_setup();
}
#endif
#ifdef DEBUG
puts("ready to config storage\n");
#endif
#ifdef CONFIG_ARCH_HOMELET //for homlet to use one-key-recovery
ret = sunxi_flash_handle_init();
if(!ret)
{
sunxi_partition_init();
}
#endif
#ifndef CONFIG_ARCH_SUN8IW8P1
if((workmode == WORK_MODE_BOOT) || (workmode == WORK_MODE_CARD_PRODUCT) || (workmode == WORK_MODE_SPRITE_RECOVERY))
{
#else
if((workmode == WORK_MODE_CARD_PRODUCT) || (workmode == WORK_MODE_SPRITE_RECOVERY))
{
#endif
#if (defined(CONFIG_SUNXI_DISPLAY) || defined(CONFIG_SUN7I_DISPLAY))
drv_disp_init();
#endif
#ifdef CONFIG_SUNXI_HDCP_IN_SECURESTORAGE
int tmp = 0;
tmp = script_parser_fetch("hdmi_para", "hdmi_hdcp_enable", &hdcpkey_enable, 1);
if((tmp) || (hdcpkey_enable != 1))
{
board_display_device_open();
board_display_layer_request();
}
#else
board_display_device_open();
board_display_layer_request();
#endif
}
#ifndef CONFIG_ARCH_HOMELET //for pad used
ret = sunxi_flash_handle_init();
if(!ret)
{
sunxi_partition_init();
}
#endif
#ifdef CONFIG_SUNXI_HDCP_IN_SECURESTORAGE
//here: write key to hardware
if(hdcpkey_enable==1)
{
char buffer[4096];
int data_len;
int ret0;
memset(buffer, 0, 4096);
ret0 = sunxi_secure_storage_init();
if(ret0)
{
printf("sunxi init secure storage failed\n");
}
else
{
ret0 = sunxi_secure_object_read("hdcpkey", buffer, 4096, &data_len);
if(ret0)
{
printf("probe hdcp key failed\n");
}
else
{
ret0 = smc_aes_bssk_decrypt_to_keysram(buffer, data_len);
if(ret0)
{
printf("push hdcp key failed\n");
}
else
{
board_display_device_open();
board_display_layer_request();
}
}
}
}
#endif
#ifdef CONFIG_BOOT_A15
if(sunxi_sprite_download_boot0_simple())
{
printf("rewrite boot0 to save boot cpu failed\n");
}
#endif
#ifndef CONFIG_SUNXI_SPINOR_PLATFORM
sunxi_keydata_burn_by_usb();
#endif
//#else
//#if defined(CONFIG_CMD_NAND)
// if(!storage_type){
// puts("NAND: ");
// nand_init(); /* go init the NAND */
// }
//#endif/*CONFIG_CMD_NAND*/
//
//#if defined(CONFIG_GENERIC_MMC)
// if(storage_type){
// puts("MMC: ");
// mmc_initialize(bd);
// }
//#endif/*CONFIG_GENERIC_MMC*/
#ifdef CONFIG_HAS_DATAFLASH
AT91F_DataflashInit();
dataflash_print_info();
#endif
/* initialize environment */
env_relocate();
/* setenv storage_type */
sprintf(storage_type_buf, "%d", uboot_spare_head.boot_data.storage_type);
if (setenv("storage_type", storage_type_buf))
printf("set storage_type=%s fail\n", storage_type_buf);
if (uboot_spare_head.boot_data.storage_type == 1)
sprintf(boot_mmc_buf, "%s", "0");
else
sprintf(boot_mmc_buf, "%s", "2");
setenv("boot_mmc", boot_mmc_buf);
#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
arm_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
/* Perform network card initialisation if necessary */
#if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
/* XXX: this needs to be moved to board init */
if (getenv("ethaddr")) {
uchar enetaddr[6];
eth_getenv_enetaddr("ethaddr", enetaddr);
smc_set_mac_addr(enetaddr);
}
#endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
/* Initialize from environment */
s = getenv("loadaddr");
if (s != NULL)
load_addr = simple_strtoul(s, NULL, 16);
#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
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
#if defined(CONFIG_NET_MULTI)
puts("Net: ");
#endif
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;
uchar memsz[32];
#ifdef CONFIG_PRAM
char *s;
s = getenv("pram");
if (s != NULL)
pram = simple_strtoul(s, NULL, 10);
else
pram = CONFIG_PRAM;
#else
pram = 0;
#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
//sprite_cartoon_test();
if(workmode == WORK_MODE_BOOT)
{
#if defined(CONFIG_SUNXI_SCRIPT_REINIT)
{
FATFS script_mount;
int ret;
uint read_bytes = 0;
FILE script_fs;
uchar *buf = NULL;
f_mount_ex(0, &script_mount, 0);
ret = f_open (&script_fs, "0:script.bin", FA_OPEN_EXISTING | FA_READ | FA_WRITE );
if(ret)
{
printf("cant open script.bin, maybe it is not exist\n");
}
else
{
buf = (uchar *)malloc(100 * 1024);
memset(buf, 0, 100 * 1024);
if(!f_read(&script_fs, buf, 100 * 1024, &read_bytes))
{
printf("f_read read bytes = %d\n", read_bytes);
}
f_close(&script_fs);
puts("try to unlink file ");
printf("%d\n", f_unlink("0:script.bin"));
}
f_mount(0, NULL, NULL);
if(read_bytes > 0)
{
char *tmp_target_buffer = (char *)(CONFIG_SYS_TEXT_BASE - 0x01000000);
sunxi_flash_exit(1);
memcpy(tmp_target_buffer + uboot_spare_head.boot_head.uboot_length, buf, read_bytes);
sunxi_sprite_download_uboot(tmp_target_buffer, uboot_spare_head.boot_data.storage_type, 1);
reset_cpu(0);
}
if(buf)
{
free(buf);
}
}
#endif
printf("WORK_MODE_BOOT\n");
#if (defined(CONFIG_SUNXI_DISPLAY) || defined(CONFIG_SUN7I_DISPLAY))
if(!ret)
{
#ifndef CONFIG_ARCH_HOMELET
printf("board_status_probe\n");
board_status_probe(0);
#endif
if(!gd->chargemode)
{
if(sunxi_advert_disp_probe())
{
printf("sunxi_bmp_logo_display\n");
sunxi_bmp_display("bootlogo.bmp");
}
else
{
if(sunxi_advert_display("Reserve0", "advert.bmp"))
{
printf("sunxi_bmp_logo_display\n");
sunxi_bmp_display("bootlogo.bmp");
}
}
}
else
{
printf("sunxi_bmp_charger_display\n");
sunxi_bmp_display("bat\\battery_charge.bmp");
}
}
#endif
#ifdef CONFIG_READ_LOGO_FOR_KERNEL
sunxi_read_bootlogo("boot_logo");
#endif
}
/* main_loop() can return to retry autoboot, if so just run it again. */
for (;;)
{
main_loop();
}
hang();
/* NOTREACHED - no way out of command loop except booting */
}
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
for (;;);
}
/*
* 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 */
}