static int initr_ide(void)
{
puts("IDE: ");
#if defined(CONFIG_START_IDE)
if (board_start_ide())
ide_init();
#else
ide_init();
#endif
return 0;
}
static int initr_ide(void)
{
#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
return 0;
}
int main( int argc, char *argv[] )
{
int i;
int failures = 0;
int tests = 0;
ide_init();
for( i=0; test_cases[i].reg != 0; i++ ) {
unsigned int oldval = long_read( test_cases[i].reg );
unsigned int newval;
long_write( test_cases[i].reg, test_cases[i].write );
newval = long_read( test_cases[i].reg );
if( test_cases[i].expect == UNCHANGED ) {
if( newval != oldval ) {
fprintf( stderr, "Test %d (%08X) failed. Expected %08X but was %08X\n",
i+1, test_cases[i].reg, oldval, newval );
failures++;
}
} else {
if( newval != test_cases[i].expect ) {
fprintf( stderr, "Test %d (%08X) failed. Expected %08X but was %08X\n",
i+1, test_cases[i].reg, test_cases[i].expect, newval );
failures++;
}
}
long_write( test_cases[i].reg, oldval );
tests++;
}
fprintf( stdout, "%d/%d test cases passed successfully\n", (tests-failures), tests );
return failures;
}
void kmain(u32 init_stack) {
init_esp_start = init_stack;
init_video();
puts_color_str("Booting Panda OS ...\n", 0x0B);
cli();
time_init();
gdt_init();
idt_init();
kb_init();
mm_init();
buf_init();
file_init();
inode_init();
ide_init();
task_init();
timer_init();
sysc_init();
spawn(init_user);
sti();
init = 0;
while(1) {
if(!init) {
printk("kernel running ...\n");
init = 1;
}
sti();
sched();
}
}
int __noreturn
kern_init(void) {
extern char edata[], end[];
memset(edata, 0, end - edata);
cons_init(); // init the console
const char *message = "(THU.CST) os is loading ...";
cprintf("%s\n\n", message);
print_kerninfo();
pmm_init(); // init physical memory management
pic_init(); // init interrupt controller
idt_init(); // init interrupt descriptor table
vmm_init(); // init virtual memory management
sched_init(); // init scheduler
proc_init(); // init process table
sync_init(); // init sync struct
ide_init(); // init ide devices
swap_init(); // init swap
fs_init(); // init fs
clock_init(); // init clock interrupt
intr_enable(); // enable irq interrupt
cpu_idle(); // run idle process
}
void storage_switch_sd_ide(UINT8 sd_active, BOOL first)
{
if (sd_active)
{
if (!first)
{
#ifdef IDE_SUPPORT
ide_disable();
#endif
}
#ifdef SDIO_SUPPORT
sd_enable(SDIO_GPIO_CS, SDIO_GPIO_CS_POLOR, SDIO_GPIO_DETECT, SDIO_GPIO_LOCK);
sd_init();
#endif
DM_DEBUG("storage device : sdio active\n");
}
else
{
if (!first)
{
#ifdef SDIO_SUPPORT
sd_disable();
#endif
}
#ifdef IDE_SUPPORT
ide_enable(25, 1);
ide_init();
#endif
DM_DEBUG("storage device : hdd(ide) active\n");
}
}
int ide_init_r(void)
{
puts("IDE: ");
ide_init();
return 0;
}
int
kern_init(void) {
extern char edata[], end[];
memset(edata, 0, end - edata);
cons_init(); // init the console
const char *message = "(THU.CST) os is loading ...";
kprintf ("%s\n\n", message);
/* Only to initialize lcpu_count. */
mp_init ();
pmm_init(); // init physical memory management
pmm_init_ap ();
pic_init(); // init interrupt controller
vmm_init(); // init virtual memory management
sched_init(); // init scheduler
proc_init(); // init process table
sync_init(); // init sync struct
ide_init(); // init ide devices
swap_init(); // init swap
fs_init(); // init fs
clock_init(); // init clock interrupt
intr_enable(); // enable irq interrupt
cpu_idle(); // run idle process
}
/* miscellaneous platform dependent initialisations */
int misc_init_r(void)
{
#if defined(CONFIG_CMD_NET)
char nid[32];
unsigned char *pMACaddr = (unsigned char *)0x203F0000;
/* The 0xFF check here is to make sure we don't use the address
* in flash if it's simply been erased (aka all 0xFF values) */
if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
pMACaddr[0], pMACaddr[1],
pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
setenv("ethaddr", nid);
}
#endif
#if defined(CONFIG_BFIN_IDE)
#if defined(CONFIG_BFIN_TRUE_IDE)
/* Enable ATASEL when in True IDE mode */
printf("Using CF True IDE Mode\n");
cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
udelay(1000);
#elif defined(CONFIG_BFIN_CF_IDE)
/* Disable ATASEL when we're in Common Memory Mode */
printf("Using CF Common Memory Mode\n");
cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
udelay(1000);
#elif defined(CONFIG_BFIN_HDD_IDE)
printf("Using HDD IDE Mode\n");
#endif
ide_init();
#endif /* CONFIG_BFIN_IDE */
return 0;
}
/**
* The entry.
*/
int main(int argc, char *argv[], char *envp[])
{
if (ginfo->status == STATUS_DEBUG)
raise(SIGTRAP);
cons_init();
const char *message = "(THU.CST) os is loading ...";
kprintf("%s\n\n", message);
intr_init();
ide_init();
host_signal_init();
/* Only to initialize lcpu_count. */
mp_init();
pmm_init();
pmm_init_ap();
vmm_init();
sched_init();
proc_init();
swap_init();
fs_init();
sync_init();
umclock_init();
cpu_idle();
host_exit(SIGINT);
return 0;
}
void at_init()
{
common_init();
pit_set_out_func(1, pit_refresh_timer_at);
dma16_init();
ide_init();
keyboard_at_init();
if (models[model].init == at_init)
mouse_serial_init();
nvr_init();
pic2_init();
}
int misc_init_r(void)
{
#if defined(CONFIG_BFIN_IDE)
#if defined(CONFIG_BFIN_CF_IDE)
/*Disable ATASEL when we're in Common Memory Mode*/
cf_outb(0, CONFIG_CF_ATASEL_DIS);
udelay(1000);
#endif
ide_init();
#endif
return 0;
}
void ps1_init()
{
AT = 1;
common_init();
pit_set_out_func(1, pit_refresh_timer_at);
dma16_init();
ide_init();
keyboard_at_init();
mouse_ps2_init();
nvr_init();
pic2_init();
ps1mb_init();
fdc_set_dskchg_activelow();
}
void at_init()
{
AT = 1;
common_init();
mem_add_bios();
pit_set_out_func(1, pit_refresh_timer_at);
dma16_init();
ide_init();
keyboard_at_init();
if (models[model].init == at_init)
mouse_serial_init();
nvr_init();
pic2_init();
device_add(&gameport_device);
}
void __noreturn
kern_init(void) {
//setup_exception_vector();
tlb_invalidate_all();
/*
unsigned base = 0xBE000000;
int i, j;
for (j = 10; j < 24; ++j) {
kprintf("\nj=%d\n\n\n", j);
for (i = 0; i < 10; ++i) {
int *addr = (int*)(base + i * 4 + (1 << j));
kprintf("0x%08x=0x%04x\n", addr, (*addr)&0xFFFF);
}
}
*/
pic_init(); // init interrupt controller
cons_init(); // init the console
clock_init(); // init clock interrupt
// panic("init");
check_initrd();
const char *message = "(THU.CST) os is loading ...\n\n";
kprintf(message);
print_kerninfo();
#if 0
kprintf("EX\n");
__asm__ volatile("syscall");
kprintf("EX RET\n");
#endif
pmm_init(); // init physical memory management
vmm_init(); // init virtual memory management
sched_init();
proc_init(); // init process table
ide_init();
fs_init();
intr_enable(); // enable irq interrupt
//*(int*)(0x00124) = 0x432;
//asm volatile("divu $1, $1, $1");
cpu_idle();
}
void cf_ide_init(void)
{
#if defined(CONFIG_BFIN_TRUE_IDE)
/* Enable ATASEL when in True IDE mode */
printf("Using CF True IDE Mode\n");
cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
udelay(1000);
#elif defined(CONFIG_BFIN_CF_IDE)
/* Disable ATASEL when we're in Common Memory Mode */
printf("Using CF Common Memory Mode\n");
cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
udelay(1000);
#elif defined(CONFIG_BFIN_HDD_IDE)
printf("Using HDD IDE Mode\n");
#endif
ide_init();
}
void ps1_common_init()
{
AT = 1;
common_init();
mem_add_bios();
pit_set_out_func(1, pit_refresh_timer_at);
dma16_init();
ide_init();
keyboard_at_init();
mouse_ps2_init();
nvr_init();
pic2_init();
fdc_set_dskchg_activelow();
device_add(&ps1_audio_device);
/*PS/1 audio uses ports 200h and 202-207h, so only initialise gameport on 201h*/
device_add(&gameport_201_device);
}
/* miscellaneous platform dependent initialisations */
int misc_init_r(void)
{
int i;
int cf_stat = 0;
/* Check whether CF card is inserted */
*pFIO_EDGE = FIO_EDGE_CF_BITS;
*pFIO_POLAR = FIO_POLAR_CF_BITS;
for (i = 0; i < 0x300; i++)
asm("nop;");
if ((*pFIO_FLAG_S) & CF_STAT_BITS) {
cf_stat = 0;
} else {
cf_stat = 1;
}
*pFIO_EDGE = FIO_EDGE_BITS;
*pFIO_POLAR = FIO_POLAR_BITS;
if (cf_stat) {
printf("Booting from COMPACT flash\n");
for (i = 0; i < 0x1000; i++)
asm("nop;");
for (i = 0; i < 0x1000; i++)
asm("nop;");
for (i = 0; i < 0x1000; i++)
asm("nop;");
serial_setbrg();
ide_init();
setenv("bootargs", "");
setenv("bootcmd",
"fatload ide 0:1 0x1000000 uImage-stamp;bootm 0x1000000;bootm 0x20100000");
} else {
printf("Booting from FLASH\n");
}
return 0;
}
void kmain(ol_mmap_register_t mmr)
{
textinit();
clearscreen();
println("The openLoader kernel is executing. \n");
print("Current stack pointer: ");
ol_registers_t regs = getregs();
printnum(regs->esp, 16, FALSE, FALSE);
putc(0xa);
char status = inb(0x60);
if((status & 2) == 2)
{
println("The A20 gate is open.");
putc(0xa);
}
pic_init();
setIDT();
outb(OL_KBC_COMMAND, OL_KB_INIT); // enable the keyboard
// display mmap
init_mmap(mmr);
println("Multiboot memory map:\n");
display_mmap(mmr);
#if 0
uint8_t active = ide_init(bootdrive);
ide_read(0x100, 1<<20, &bootdrive[active], 60);
uint8_t eax = ata_identify();
printnum(active, 16, FALSE, FALSE);
#endif
putc(0xa);
println("Waiting for service interrupts..");
while(1) halt();
println("End of program reached!");
endprogram();
}
int kern_init(void)
{
extern char edata[], end[];
memset(edata, 0, end - edata);
cons_init(); // init the console
const char *message = "(THU.CST) os is loading ...";
kprintf("%s\n\n", message);
print_kerninfo();
/* Only to initialize lcpu_count. */
mp_init();
debug_init(); // init debug registers
pmm_init(); // init physical memory management
pmm_init_ap();
pic_init(); // init interrupt controller
idt_init(); // init interrupt descriptor table
vmm_init(); // init virtual memory management
sched_init(); // init scheduler
proc_init(); // init process table
sync_init(); // init sync struct
ide_init(); // init ide devices
#ifdef UCONFIG_SWAP
swap_init(); // init swap
#endif
fs_init(); // init fs
clock_init(); // init clock interrupt
mod_init();
intr_enable(); // enable irq interrupt
/* do nothing */
cpu_idle(); // run idle process
}
VISIBLE
void bmain(void)
{
__asm__ __volatile__(".code16gcc\n\t");
disable_interrupts();
__asm__ __volatile__(
".code16\n\t"
"cld\n\t"
"xor %%ax, %%ax\n\t" /* ax = 0x00 */
"mov %%ax, %%ds\n\t"
"lgdt %0\n\t"
"inc %%ax\n\t" /* ax = 0x01 */
"lmsw %%ax\n\t" /* set cr0.PE */
"mov $0x10, %%al\n\t" /* ax = 0x10 */
"mov %%ax, %%ds\n\t"
"mov %%ax, %%es\n\t"
"mov %%ax, %%ss\n\t"
"movzx %%sp, %%esp\n\t"
"ljmpl $0x08, $1f\n\t"
".code32\n"
"1:\n\t"
:: "m" (gdt) : "eax");
idt_init();
pic_init();
int i = 0;
for (i = 0; i < 256; i++)
set_int_handler(i, default_handler);
//set_int_handler(IRQ_BASE + IRQ_TIMER, timer_handler);
//set_int_handler(IRQ_BASE + IRQ_KEYBOARD, keyboard_handler);
ide_init();
enable_interrupts();
//char buffer[512];
ide_read(0, 0xb8200);
while(1);
}
/**
* Bootstrap processor starts running C code here.
*/
int main(void)
{
/**
* ld会生成如下几个变量用来标识程序的段
*
* _etext(etext) 正文段结束后第一个地址
* _edata(edata) 数据段结束后第一个地址
* _end(end) bss段结束后第一个地址
*/
extern char edata[], end[];
// clear BSS
memset(edata, 0, end - edata);
// collect info about this machine
mp_init();
lapic_init(mp_bcpu());
cprintf("\ncpu%d: starting myos\n\n", cpu());
cprintf("Welcome to myos !\n");
pinit(); // process table
binit(); // buffer cache
pic_init(); // interrupt controller
ioapic_init(); // another interrupt controller
kinit(); // physical memory allocator
tvinit(); // trap vectors
fileinit(); // file table
iinit(); // inode cache
console_init(); // I/O devices & their interrupts
ide_init(); // disk
if(!ismp)
timer_init(); // uniprocessor timer
userinit(); // first user process
bootothers(); // start other processors
// Finish setting up this processor in mpmain.
mpmain();
}
// Starts system
void
init_system(multiboot_info_t* bi)
{
// Start display
vga_init();
printk(" KiteOS V1.0 --- Initializing \n");
// PIT-less wait to show user boot
for(int i=0;i<64821125;i++);
vga_color(0x3, 0x0);
printk("-- STARTING LOWLEVEL KERNEL --\n");
vga_color(0x5, 0x0);
printk("!* Initiating GDT\n");
gdt_init();
printk("!* Initiating IDT\n");
idt_init();
printk("!* Installing Exceptions\n");
isr_init();
vga_color(0x4, 0x0);
printk("*** ENTERTED PROTECTED MODE ***\n");
vga_color(0x5, 0x0);
printk("!* Initiating IRQ\n");
irq_init();
printk("!* Starting PIT\n");
pit_init();
printk("!* Starting RTC\n");
rtc_init();
printk("!* Restoring Interrupts\n");
__asm__ __volatile__ ("sti");
vga_color(0x3, 0x0);
printk("-- STARTING LOWLEVEL DRIVERS --\n");
vga_color(0x5, 0x0);
printk("!* Starting physical memory manager\n");
kalloc_init((void*)bi->mmap_addr, (unsigned long)bi->mmap_length);
printk("!* Starting keyboard driver\n");
kb_init();
printk("!* Starting IDE driver\n");
ide_init(0x1F0, 0x3F6, 0x170, 0x366);
vga_color(0x4, 0x0);
printk("*** Initialized system successfully ***\n");
}
extern void swap_init_nios2(void);
int alt_main(void)
{
const char *message = "(THU.CST) os is loading ...";
kprintf("%s\n\n", message);
mp_init();
pmm_init(); // init physical memory management
pmm_init_ap();
vmm_init(); // init virtual memory management
void __noreturn
kern_init(void) {
//setup_exception_vector();
tlb_invalidate_all();
pic_init(); // init interrupt controller
vga_init();
cons_init(); // init the console
clock_init(); // init clock interrupt
check_initrd();
const char *message = "(THU.CST) os is loading ...\n\n";
kprintf(message);
print_kerninfo();
#if 0
kprintf("EX\n");
__asm__ volatile("syscall");
kprintf("EX RET\n");
#endif
pmm_init(); // init physical memory management
vmm_init(); // init virtual memory management
sched_init();
proc_init(); // init process table
ide_init();
fs_init();
intr_enable(); // enable irq interrupt
//*(int*)(0x00124) = 0x432;
//asm volatile("divu $1, $1, $1");
cpu_idle();
}
int read_partition_map(int device) {
ide_init(DISK_PORT);
ide_read_sector(DISK_PORT, 0, 0, (uint8_t *)&mbr);
if (mbr.signature[0] == 0x55 && mbr.signature[1] == 0xAA) {
debug_print(INFO, "Partition table found.");
for (int i = 0; i < 4; ++i) {
if (mbr.partitions[i].status & 0x80) {
debug_print(NOTICE, "Partition #%d: @%d+%d", i+1, mbr.partitions[i].lba_first_sector, mbr.partitions[i].sector_count);
} else {
debug_print(NOTICE, "Partition #%d: inactive", i+1);
}
}
return 0;
} else {
debug_print(ERROR, "Did not find partition table.");
debug_print(ERROR, "Signature was 0x%x 0x%x instead of 0x55 0xAA", mbr.signature[0], mbr.signature[1]);
debug_print(ERROR, "Parsing anyone yields:");
for (int i = 0; i < 4; ++i) {
if (mbr.partitions[i].status & 0x80) {
debug_print(NOTICE, "Partition #%d: @%d+%d", i+1, mbr.partitions[i].lba_first_sector, mbr.partitions[i].sector_count);
} else {
debug_print(NOTICE, "Partition #%d: inactive", i+1);
}
}
}
return 1;
}
void sb700_after_pci_fixup(void) {
#ifdef ENABLE_SATA
printk_info("sata init\n");
sata_init(_pci_make_tag(0, 0x11, 0));
#endif
printk_info("OHCI0-USB1 init\n");
usb_init(_pci_make_tag(0, 0x12, 0));
printk_info("OHCI1-USB1 init\n");
usb_init(_pci_make_tag(0, 0x12, 1));
#if 1
//printk_info("EHCI-USB1 init\n");
//usb_init2(_pci_make_tag(0, 0x12, 2));
printk_info("OHCI0-USB2 init\n");
usb_init(_pci_make_tag(0, 0x13, 0));
printk_info("OHCI1-USB2 init\n");
usb_init(_pci_make_tag(0, 0x13, 1));
//printk_info("EHCI-USB2 init\n");
//usb_init2(_pci_make_tag(0, 0x13, 2));
printk_info("OHCI0-USB3 init\n");
usb_init(_pci_make_tag(0, 0x14, 5));
#endif
printk_info("lpc init\n");
lpc_init(_pci_make_tag(0, 0x14, 3));
printk_info("ide init\n");
ide_init(_pci_make_tag(0, 0x14, 1));
//vga test
printk_info("pci init\n");
pci_init(_pci_make_tag(0, 0x14, 4));
printk_info("sm init\n");
sm_init(_pci_make_tag(0, 0x14, 0));
#ifdef USE_780E_VGA
printk_info("rs780_internal_gfx_init\n");
internal_gfx_pci_dev_init(_pci_make_tag(0,0,0) , _pci_make_tag(1,0x5,0));
#endif
}
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)
{
char *s;
ulong size;
static bd_t bd_data;
static gd_t gd_data;
init_fnc_t **init_fnc_ptr;
show_boot_progress(0x21);
/* Global data pointer is now writable */
gd = &gd_data;
memcpy(gd, id, sizeof(gd_t));
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("": : :"memory");
gd->bd = &bd_data;
memset (gd->bd, 0, sizeof (bd_t));
show_boot_progress(0x22);
gd->baudrate = CONFIG_BAUDRATE;
mem_malloc_init((((ulong)dest_addr - CONFIG_SYS_MALLOC_LEN)+3)&~3,
CONFIG_SYS_MALLOC_LEN);
for (init_fnc_ptr = init_sequence_r; *init_fnc_ptr; ++init_fnc_ptr) {
if ((*init_fnc_ptr)() != 0)
hang ();
}
show_boot_progress(0x23);
#ifdef CONFIG_SERIAL_MULTI
serial_initialize();
#endif
/* configure available FLASH banks */
size = flash_init();
display_flash_config(size);
show_boot_progress(0x24);
show_boot_progress(0x25);
/* initialize environment */
env_relocate ();
show_boot_progress(0x26);
#ifdef CONFIG_CMD_NET
/* IP Address */
bd_data.bi_ip_addr = getenv_IPaddr ("ipaddr");
#endif
#if defined(CONFIG_PCI)
/*
* Do pci configuration
*/
pci_init();
#endif
show_boot_progress(0x27);
stdio_init ();
jumptable_init ();
/* Initialize the console (after the relocation and devices init) */
console_init_r();
#ifdef CONFIG_MISC_INIT_R
/* miscellaneous platform dependent initialisations */
misc_init_r();
#endif
#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE)
WATCHDOG_RESET();
puts ("PCMCIA:");
pcmcia_init();
#endif
#if defined(CONFIG_CMD_KGDB)
WATCHDOG_RESET();
puts("KGDB: ");
kgdb_init();
#endif
/* enable exceptions */
enable_interrupts();
show_boot_progress(0x28);
#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);
#if defined(CONFIG_CMD_NET)
if ((s = getenv ("bootfile")) != NULL) {
copy_filename (BootFile, s, sizeof (BootFile));
}
#endif
WATCHDOG_RESET();
#if defined(CONFIG_CMD_IDE)
WATCHDOG_RESET();
puts("IDE: ");
ide_init();
#endif
#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(gd->bd);
#endif
#if ( defined(CONFIG_CMD_NET)) && (0)
WATCHDOG_RESET();
# ifdef DEBUG
puts ("Reset Ethernet PHY\n");
# endif
reset_phy();
#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
#ifdef CONFIG_POST
post_run (NULL, POST_RAM | post_bootmode_get(0));
#endif
show_boot_progress(0x29);
/* 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)
{
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 */
}
