int do_bootm_linux(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
void (*theKernel) (int, char **, char **, int *);
char *bootargs = getenv("bootargs");
char *start;
uint len;
/* find kernel entry point */
theKernel = (void (*)(int, char **, char **, int *))images->ep;
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
debug("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
gd->bd->bi_boot_params = gd->bd->bi_memstart + (16 << 20) - 256;
debug("%-12s= 0x%08lX\n", "boot_params", (ulong)gd->bd->bi_boot_params);
/* set Magic */
*(int32_t *)(gd->bd->bi_boot_params - 4) = 0x12345678;
/* set ram_size */
*(int32_t *)(gd->bd->bi_boot_params - 8) = gd->ram_size;
start = (char *)gd->bd->bi_boot_params;
len = strlen(bootargs);
strncpy(start, bootargs, len + 1);
start += len;
len = images->rd_end - images->rd_start;
if (len > 0) {
start += sprintf(start, " rd_start=0x%08X rd_size=0x%0X",
(uint) UNCACHED_SDRAM(images->rd_start),
(uint) len);
}
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
theKernel(0, NULL, NULL, 0);
/* does not return */
return 1;
}
void boot_kernel(void)
{
void (*theKernel)(int zero, int arch, unsigned int params);
/* 将Linux内核读取到DDR中 */
printf("\n\rRead kernel from Nand Flash\n\r");
nand_read(0x21000000, 0x400000, 0x800000);
/* 设置启动参数 */
printf("Set boot params\n\r");
init_taglist();
/* 跳转执行*/
printf("Boot kernel...\n\r");
theKernel = (void (*)(int, int, unsigned int))0x21000040;/* Linux 内核入口地址 */
theKernel(0, 3466, 0x22000000); /* 第一个参数是0，第二个参数是机器码，第三个参数是启动参数地址 */
}
int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
{
void (*theKernel)(int magic, void *tagtable);
struct tag *params, *params_start;
char *commandline = getenv("bootargs");
/*
* allow the PREP bootm subcommand, it is required for bootm to work
*
* TODO: Andreas Bießmann <*****@*****.**> refactor the
* do_bootm_linux() for avr32
*/
if (flag & BOOTM_STATE_OS_PREP)
return 0;
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
theKernel = (void *)images->ep;
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
params = params_start = (struct tag *)gd->bd->bi_boot_params;
params = setup_start_tag(params);
params = setup_memory_tags(params);
if (images->rd_start) {
params = setup_ramdisk_tag(params,
PHYSADDR(images->rd_start),
PHYSADDR(images->rd_end));
}
params = setup_commandline_tag(params, commandline);
params = setup_clock_tags(params);
params = setup_ethernet_tags(params);
params = setup_boardinfo_tag(params);
setup_end_tag(params);
printf("\nStarting kernel at %p (params at %p)...\n\n",
theKernel, params_start);
prepare_to_boot();
theKernel(ATAG_MAGIC, params_start);
/* does not return */
return 1;
}
static void boot_jump_linux(bootm_headers_t *images)
{
void (*theKernel) (int, char **, char **, int *);
/* find kernel entry point */
theKernel = (void (*)(int, char **, char **, int *))images->ep;
debug("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
theKernel(linux_argc, linux_argv, linux_env, 0);
}
void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
bootm_headers_t *images)
{
/* First parameter is mapped to $r5 for kernel boot args */
void (*theKernel) (char *);
char *commandline = getenv ("bootargs");
ulong ep = 0;
/* find kernel entry point */
if (images->legacy_hdr_valid) {
ep = image_get_ep (images->legacy_hdr_os);
#if defined(CONFIG_FIT)
} else if (images->fit_uname_os) {
int ret = fit_image_get_entry (images->fit_hdr_os,
images->fit_noffset_os, &ep);
if (ret) {
puts ("Can't get entry point property!\n");
goto error;
}
#endif
} else {
puts ("Could not find kernel entry point!\n");
goto error;
}
theKernel = (void (*)(char *))ep;
show_boot_progress (15);
#ifdef DEBUG
printf ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
#endif
if (!images->autostart)
return ;
theKernel (commandline);
/* does not return */
return;
error:
if (images->autostart)
do_reset (cmdtp, flag, argc, argv);
return;
}
void down_kernel(void)
{
void (*theKernel)(int zero, int arch, unsigned int params);
printf("download linux kernel through ymodem\n\r");
char *addr = (char *)0x21000000;
ymodem_recv(addr);
/* 设置启动参数 */
printf("Set boot params\n\r");
init_taglist();
/* 跳转执行*/
printf("Boot kernel...\n\r");
theKernel = (void (*)(int, int, unsigned int))0x21000040;/* Linux 内核入口地址 */
theKernel(0, 3466, 0x22000000); /* 第一个参数是0，第二个参数是机器码，第三个参数是启动参数地址 */
}
void boot_linux()
{
//1. 获取Linux启动地址
theKernel = (void (*)(int , int , unsigned int ))SDRAM_KERNEL_START;
//2. 设置启动参数
//2.1 设置核心启动参数
setup_core_tag();
//2.2 设置内存参数
setup_mem_tag();
//2.3 设置命令行参数
setup_cmdline_tag();
//2.4 设置参数结束标志
setup_end_tag();
//3. 启动Linux系统
theKernel(0,168,SDRAM_TAGS_START);
}
int
start_linux(void)
{
void (*theKernel)(uint32_t zero, uint32_t arch, uint32_t *params);
uint32_t i = 0, j = 0,ret;
uint32_t *exec_at = ZIMAGE_LOAD_ADDRESS;
uint32_t *parm_at = (uint32_t *)( DRAM_BASE + 0x100) ; // 256 bytes away from the base address of DRAM
uint32_t machine_type;
debug_print("about to copy linux image to load address: ");
uart_print_address(exec_at);
ret = load_image((uint32_t)ZIMAGE_START_BLOCK_NUMBER,(uint32_t*)exec_at,(uint16_t)ZIMAGE_BLOCK_SIZE); /* copy image into RAM */
debug_print("done copying linux image ...\n\r\0");
// debug_print("about to copy ramdisk image ...");
// load_image((uint32_t*) INITRD_LOAD_ADDRESS, INITRD_LOAD_END_ADDRESS);/* copy initial ramdisk image into RAM */
// debug_print("done copying ramdisk image ...");
debug_print("setting up ATAGS ...\n\r\0");
setup_tags(parm_at); /* sets up parameters */
machine_type = 3466; /* get machine type */
theKernel = (void (*)(uint32_t, uint32_t, uint32_t*))exec_at; /* set the kernel address */
debug_print("jumping to the kernel ... brace yourself!\n\r\0");
asm("mrc p15, 0, r1, c1, c0, 0"); /* Read Control Register configuration data*/
asm("bic r1, r1, #(0x1 << 12)"); /* Disable I Cache*/
asm("bic r1, r1, #(0x1 << 2)"); /* Disable D Cache*/
asm("mcr p15, 0, r1, c1, c0, 0"); /* Write Control Register configuration data*/
theKernel(0, machine_type, parm_at); /* jump to kernel with register set */
return 0;
}
//control passed here from bootTestCrt.S after creating stack
int boot(){
uint32 *STORE1 = (uint32 *)0x4090002c; //Use RTC alarms as
uint32 *STORE2 = (uint32 *)0x40900030; // storage for debugging
int i,j;
*STORE1 = 0x98765;
setupLEDs();
setLEDs(GREEN);
uint32 *kernel = (uint32 *)(RAM_START + KERNEL_OFFSET);
uint32 *tags = (uint32 *)(RAM_START + TAGS_OFFSET);
uint32 cs;
setLEDs(GREEN);
//now we need to copy the kernel code to where it likes to be
cs = copyMem((uint32*)kernel_start,kernel, (kernel_end - kernel_start));
if(cs != KERN_CHECKSUM)
error(5,0);
setup_tags(tags);
setLEDs(BLUE);
uint32 mtype = MACH_TYPE_HPIPAQ214;
void (*theKernel)(uint32 zero, uint32 mtype, uint32 *tags);
theKernel = (void (*)(uint32, uint32, uint32 *))kernel; /* set the kernel address */
theKernel(0, mtype, tags); /* jump to kernel with register set */
death: __asm("nop");
goto death;
}
int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
{
void (*theKernel)(int magic, void *tagtable);
struct tag *params, *params_start;
char *commandline = getenv("bootargs");
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
theKernel = (void *)images->ep;
show_boot_progress (15);
params = params_start = (struct tag *)gd->bd->bi_boot_params;
params = setup_start_tag(params);
params = setup_memory_tags(params);
if (images->rd_start) {
params = setup_ramdisk_tag(params,
PHYSADDR(images->rd_start),
PHYSADDR(images->rd_end));
}
params = setup_commandline_tag(params, commandline);
params = setup_clock_tags(params);
params = setup_ethernet_tags(params);
params = setup_boardinfo_tag(params);
setup_end_tag(params);
printf("\nStarting kernel at %p (params at %p)...\n\n",
theKernel, params_start);
prepare_to_boot();
theKernel(ATAG_MAGIC, params_start);
/* does not return */
return 1;
}
int do_booti(struct bootloader_ops *boot_ops, char *info, void *download_addr)
{
boot_img_hdr *hdr;
u32 addr;
u64 sector1, sector2;
char *ptn = "boot";
int boot_from_mmc = 0;
u64 num_sectors = 0;
int sector_sz = 0;
int ret = 0;
unsigned dbt_addr = CONFIG_ADDR_ATAGS;
unsigned cfg_machine_type = CONFIG_BOARD_MACH_TYPE;
void (*theKernel)(int zero, int arch, void *);
if (!(strcmp(info, "storage")))
boot_from_mmc = 1;
if (download_addr != NULL)
addr = (u32) download_addr;
else
addr = CONFIG_ADDR_DOWNLOAD;
hdr = (boot_img_hdr *) addr;
if (boot_from_mmc) {
struct fastboot_ptentry *pte;
ret = load_ptbl(boot_ops->storage_ops, 0);
if (ret != 0)
goto fail;
dbt_addr = load_dev_tree(boot_ops, dbt_addr);
if (dbt_addr < 0)
goto fail;
pte = fastboot_flash_find_ptn(ptn);
if (!pte) {
printf("booti: cannot find '%s' partition\n", ptn);
goto fail;
}
sector_sz = boot_ops->storage_ops->get_sector_size();
num_sectors = sizeof(boot_img_hdr) / sector_sz;
ret = boot_ops->storage_ops->read(pte->start, num_sectors,
(void *) hdr);
if (ret != 0) {
printf("booti: failed to read bootimg header\n");
goto fail;
} else
bootimg_print_image_hdr(hdr);
ret = memcmp(hdr->magic, BOOT_MAGIC, 8);
if (ret != 0) {
printf("booti: bad boot image magic\n");
goto fail;
}
sector1 = pte->start + (hdr->page_size / sector_sz);
sector2 = sector1 +
ALIGN(hdr->kernel_size, hdr->page_size) / sector_sz;
num_sectors = CEIL(hdr->kernel_size, sector_sz);
if (num_sectors <= (hdr->kernel_size / sector_sz))
num_sectors = (hdr->kernel_size / sector_sz);
DBG("Reading kernel from start sector %d and reading %d "
"number of sectors\n", (int)sector1, (int)num_sectors);
ret = boot_ops->storage_ops->read(sector1, num_sectors,
(void *) hdr->kernel_addr);
if (ret != 0) {
printf("mmc read failed\n");
goto fail;
}
DBG("Done reading kernel from mmc\n");
num_sectors = CEIL(hdr->ramdisk_size, sector_sz);
if (num_sectors <= (hdr->ramdisk_size / sector_sz))
num_sectors = (hdr->ramdisk_size / sector_sz);
DBG("Reading ramdisk from start sector %d and reading %d "
"number of sectors\n", (int)sector2, (int)num_sectors);
ret = boot_ops->storage_ops->read(sector2, num_sectors,
(void *) hdr->ramdisk_addr);
if (ret != 0) {
printf("mmc read failed\n");
goto fail;
}
DBG("Done reading ramdisk from mmc\n");
} else {
u32 kaddr, raddr;
DBG("user wants to boot an image downloaded using "
"fastboot\n");
ret = memcmp(hdr->magic, BOOT_MAGIC, 8);
if (ret != 0) {
printf("booti: bad boot image magic\n");
goto fail;
}
bootimg_print_image_hdr(hdr);
kaddr = addr + hdr->page_size;
raddr = kaddr + ALIGN(hdr->kernel_size, hdr->page_size);
memmove((void *) hdr->kernel_addr, (void *)kaddr,
hdr->kernel_size);
memmove((void *) hdr->ramdisk_addr, (void *)raddr,
hdr->ramdisk_size);
}
printf("kernel @ %08x (%d)\n", hdr->kernel_addr, hdr->kernel_size);
printf("ramdisk @ %08x (%d)\n", hdr->ramdisk_addr, hdr->ramdisk_size);
#if defined CONFIG_OMAP4_ANDROID_CMD_LINE || \
defined CONFIG_OMAP5_ANDROID_CMD_LINE
boot_settings(boot_ops, &hdr[0], CONFIG_ADDR_ATAGS);
#endif
#if defined START_HYPERVISOR_MODE && defined CONFIG_IS_OMAP5
if (!(strcmp(boot_ops->proc_ops->proc_get_type(), "GP"))) {
printf("Starting ARM Hyp mode\n");
start_hyp_mode(MONITOR_API_START_HYPERVISOR);
}
#endif
theKernel = (void (*)(int, int, void *))(hdr->kernel_addr);
printf("booting kernel...\n");
theKernel(0, cfg_machine_type, (void *)dbt_addr);
fail:
ret = boot_ops->usb_ops->usb_open(boot_ops->usb_ops->usb, INIT_USB,
boot_ops->proc_ops);
if (ret != 0) {
printf("\nusb_open failed\n");
return ret;
}
do_fastboot(boot_ops);
return 0;
}
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
bootm_headers_t *images)
{
ulong initrd_start, initrd_end;
ulong ep = 0;
void (*theKernel)(int magic, void *tagtable);
struct tag *params, *params_start;
char *commandline = getenv("bootargs");
int ret;
/* find kernel entry point */
if (images->legacy_hdr_valid) {
ep = image_get_ep (images->legacy_hdr_os);
#if defined(CONFIG_FIT)
} else if (images->fit_uname_os) {
ret = fit_image_get_entry (images->fit_hdr_os,
images->fit_noffset_os, &ep);
if (ret) {
puts ("Can't get entry point property!\n");
goto error;
}
#endif
} else {
puts ("Could not find kernel entry point!\n");
goto error;
}
theKernel = (void *)ep;
ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_AVR32,
&initrd_start, &initrd_end);
if (ret)
goto error;
show_boot_progress (15);
params = params_start = (struct tag *)gd->bd->bi_boot_params;
params = setup_start_tag(params);
params = setup_memory_tags(params);
if (initrd_start) {
params = setup_ramdisk_tag(params,
PHYSADDR(initrd_start),
PHYSADDR(initrd_end));
}
params = setup_commandline_tag(params, commandline);
params = setup_clock_tags(params);
params = setup_ethernet_tags(params);
setup_end_tag(params);
if (!images->autostart)
return ;
printf("\nStarting kernel at %p (params at %p)...\n\n",
theKernel, params_start);
prepare_to_boot();
theKernel(ATAG_MAGIC, params_start);
/* does not return */
return;
error:
if (images->autostart)
do_reset (cmdtp, flag, argc, argv);
return;
}
void do_booti_linux (boot_img_hdr *hdr)
{
ulong initrd_start, initrd_end;
void (*theKernel)(int zero, int arch, uint params);
bd_t *bd = gd->bd;
int machid = bd->bi_arch_number;
#ifdef CONFIG_CMDLINE_TAG
char *commandline = getenv("bootargs");
char *machidString = getenv("machid");
/* If no bootargs env, just use hdr command line */
if (!commandline)
commandline = (char *)hdr->cmdline;
if (machidString)
machid = simple_strtoul(machidString, NULL, 16);
/* XXX: in production, you should always use boot.img 's cmdline !!! */
printf("kernel cmdline: \n");
printf("\tuse %s ", getenv("bootargs") ? "uboot" : "boot.img");
printf("command line:\n\t%s \n", commandline);
printf ("\tUsing machid 0x%x\n", machid);
#endif
theKernel = (void (*)(int, int, uint))(hdr->kernel_addr);
initrd_start = hdr->ramdisk_addr;
initrd_end = initrd_start + hdr->ramdisk_size;
#if defined (CONFIG_SETUP_MEMORY_TAGS)
setup_start_tag(bd);
#ifdef CONFIG_SERIAL_TAG
setup_serial_tag (¶ms);
#endif
#ifdef CONFIG_REVISION_TAG
setup_revision_tag (¶ms);
#endif
#ifdef CONFIG_SETUP_MEMORY_TAGS
setup_memory_tags (bd);
#endif
#ifdef CONFIG_CMDLINE_TAG
setup_commandline_tag (bd, commandline);
#endif
#ifdef CONFIG_INITRD_TAG
if (hdr->ramdisk_size)
setup_initrd_tag (bd, initrd_start, initrd_end);
#endif
#if defined (CONFIG_VFD) || defined (CONFIG_LCD)
setup_videolfb_tag ((gd_t *) gd);
#endif
setup_end_tag (bd);
#endif
/* we assume that the kernel is in place */
printf ("\nStarting kernel ...\n\n");
#ifdef CONFIG_USB_DEVICE
{
extern void udc_disconnect (void);
udc_disconnect ();
}
#endif
cleanup_before_linux ();
theKernel (0, machid, bd->bi_boot_params);
}
int
start_linux(void)
{
void (*theKernel)(uint32_t zero, uint32_t arch, uint32_t *params);
uint32_t i = 0, j = 0,ret;
load_addr = (uint32_t) ZIMAGE_LOAD_ADDRESS;
uint32_t *exec_at = ZIMAGE_LOAD_ADDRESS;
uint32_t *parm_at = (uint32_t *)( DRAM_BASE + 0x100) ; // 256 bytes away from the base address of DRAM
uint32_t machine_type;
// debug_print("about to copy linux image to load address: ");
// uart_print_address(exec_at);
// ret = load_image((uint32_t)ZIMAGE_START_BLOCK_NUMBER,(uint32_t*)exec_at,(uint16_t)2666); /* copy image into RAM */
// debug_print("done copying linux image ...\n\r");
// debug_print("about to copy ramdisk image ...");
// load_image((uint32_t*) INITRD_LOAD_ADDRESS, INITRD_LOAD_END_ADDRESS);/* copy initial ramdisk image into RAM */
// debug_print("done copying ramdisk image ...");
theKernel = (void (*)(uint32_t, uint32_t, uint32_t*))exec_at; /* set the kernel address */
print_format("Setting up timers next ...\n\r");
init_system_timer();
init_timer();
// uint32_t start_time = get_timer(0);
//
// while(1){
// print_format("time difference in ms is %d\n\r",start_time - get_timer(0));
// udelay(1000000);
// }
print_format("fetching kernel ... \n\r");
net_loop(TFTPGET);
// net_loop(ARP);
print_format("kernel loaded to RAM ...\n\r");
debug_print("setting up ATAGS ...\n\r");
setup_tags(parm_at); /* sets up parameters */
machine_type = 3466; /* get machine type */
debug_print("jumping to the kernel ... brace yourself!\n\r\0");
asm("mrc p15, 0, r1, c1, c0, 0"); /* Read Control Register configuration data*/
asm("bic r1, r1, #(0x1 << 12)"); /* Disable I Cache*/
asm("bic r1, r1, #(0x1 << 2)"); /* Disable D Cache*/
asm("mcr p15, 0, r1, c1, c0, 0"); /* Write Control Register configuration data*/
theKernel(0, machine_type, parm_at); /* jump to kernel with registers set */
// uint32_t start_time = get_timer(0);
// while(1){
// print_format("time difference in ms is %d\n\r",get_timer(start_time));
// udelay(1000000);
// }
return 0;
}
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
bd_t *bd = gd->bd;
char *s;
int machid = bd->bi_arch_number;
void (*theKernel)(int zero, int arch, uint params);
#ifdef CONFIG_CMDLINE_TAG
char *commandline = getenv ("bootargs");
#if !CONFIG_MFG
#if defined(CONFIG_MX53_BEJ) || defined(CONFIG_MX53_BEJ2)
extern char key_status_at_startup[6];
extern char *mx53_bej_boot_version;
extern int kernel_dev;
char *autorun,*serialno,*macaddr,*testkey;
char kpp[16],ver[32],buff[1024];
strncpy(buff,commandline,sizeof(buff));
buff[(sizeof(buff)/sizeof(buff[0]))-1]='\0';
#ifdef CONFIG_SDTEST
if((testkey=getenv("testkey")) != NULL){
strncat(buff," kpp=",sizeof(buff));
strncat(buff,testkey,sizeof(buff));
}
else
{
strncat(buff," kpp=M_R-_",sizeof(buff));
}
// printf(" %s\n",buff);
#else
sprintf(kpp," kpp=%s",key_status_at_startup);
strncat(buff,kpp,sizeof(buff));
printf(kpp);
#endif
puts("\n");
sprintf(ver," bootVer=%s",mx53_bej_boot_version);
strncat(buff,ver,sizeof(buff));
printf(ver);
puts("\n");
if(autorun=getenv("autorun")){
strncat(buff," autorun=\"",sizeof(buff));
strncat(buff,autorun,sizeof(buff));
strncat(buff,"\"",sizeof(buff));
printf(" autorun=\"%s\"\n",autorun);
}
switch(kernel_dev){
case 10:
strncat(buff," kernelfrom=eMMC",sizeof(buff));
printf(" kernelfrom=eMMC\n");
break;
case 20:
#ifdef CONFIG_SDTEST
strncat(buff," kernelfrom=SDcard_test",sizeof(buff));
printf(" kernelfrom=SDcard_test\n");
#else
strncat(buff," kernelfrom=SDcard",sizeof(buff));
printf(" kernelfrom=SDcard\n");
#endif
break;
}
if(macaddr=getenv("macaddr"))
{
strncat(buff," macaddr=",sizeof(buff));
strncat(buff,macaddr,sizeof(buff));
printf(" macaddr=%s\n",macaddr);
}
if(serialno=getenv("serialno"))
{
strncat(buff," androidboot.serialno=",sizeof(buff));
strncat(buff,serialno,sizeof(buff));
printf(" serialno=%s\n",serialno);
}
commandline=buff;
#endif
#endif
#endif
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
theKernel = (void (*)(int, int, uint))images->ep;
s = getenv ("machid");
if (s) {
machid = simple_strtoul (s, NULL, 16);
printf ("Using machid 0x%x from environment\n", machid);
}
show_boot_progress (15);
debug ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_SERIAL_TAG) || \
defined (CONFIG_REVISION_TAG) || \
defined (CONFIG_LCD) || \
defined (CONFIG_VFD)
setup_start_tag (bd);
#ifdef CONFIG_SERIAL_TAG
setup_serial_tag (¶ms);
#endif
#ifdef CONFIG_REVISION_TAG
setup_revision_tag (¶ms);
#endif
#ifdef CONFIG_SETUP_MEMORY_TAGS
setup_memory_tags (bd);
#endif
#ifdef CONFIG_CMDLINE_TAG
setup_commandline_tag (bd, commandline);
#endif
#ifdef CONFIG_INITRD_TAG
if (images->rd_start && images->rd_end)
setup_initrd_tag (bd, images->rd_start, images->rd_end);
#endif
#if defined (CONFIG_VFD) || defined (CONFIG_LCD)
setup_videolfb_tag ((gd_t *) gd);
#endif
setup_end_tag (bd);
#endif
/* we assume that the kernel is in place */
printf ("\nStarting kernel ...\n\n");
#ifdef CONFIG_USB_DEVICE
{
extern void udc_disconnect (void);
udc_disconnect ();
}
#endif
cleanup_before_linux ();
theKernel (0, machid, bd->bi_boot_params);
/* does not return */
return 1;
}
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
unsigned long addr, unsigned long *len_ptr, int verify)
{
unsigned long data, len = 0;
unsigned long initrd_start, initrd_end;
unsigned long image_start, image_end;
unsigned long checksum;
void (*theKernel)(int magic, void *tagtable);
image_header_t *hdr;
struct tag *params, *params_start;
char *commandline = getenv("bootargs");
hdr = (image_header_t *)addr;
image_start = addr;
image_end = addr + hdr->ih_size;
theKernel = (void *)ntohl(hdr->ih_ep);
/*
* Check if there is an initrd image
*/
if (argc >= 3) {
show_boot_progress (9);
addr = simple_strtoul(argv[2], NULL, 16);
printf("## Loading RAMDISK image at %08lx ...\n", addr);
memcpy(&header, (char *)addr, sizeof(header));
hdr = &header;
if (ntohl(hdr->ih_magic) != IH_MAGIC) {
puts("Bad Magic Number\n");
show_boot_progress (-10);
do_reset(cmdtp, flag, argc, argv);
}
data = (unsigned long)hdr;
len = sizeof(*hdr);
checksum = ntohl(hdr->ih_hcrc);
hdr->ih_hcrc = 0;
if (crc32(0, (unsigned char *)data, len) != checksum) {
puts("Bad Header Checksum\n");
show_boot_progress (-11);
do_reset(cmdtp, flag, argc, argv);
}
show_boot_progress (10);
print_image_hdr(hdr);
data = addr + sizeof(header);
len = ntohl(hdr->ih_size);
if (verify) {
unsigned long csum = 0;
puts(" Verifying Checksum ... ");
csum = crc32(0, (unsigned char *)data, len);
if (csum != ntohl(hdr->ih_dcrc)) {
puts("Bad Data CRC\n");
show_boot_progress (-12);
do_reset(cmdtp, flag, argc, argv);
}
puts("OK\n");
}
show_boot_progress (11);
if ((hdr->ih_os != IH_OS_LINUX) ||
(hdr->ih_arch != IH_CPU_AVR32) ||
(hdr->ih_type != IH_TYPE_RAMDISK)) {
puts("Not a Linux/AVR32 RAMDISK image\n");
show_boot_progress (-13);
do_reset(cmdtp, flag, argc, argv);
}
} else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
ulong tail = ntohl (len_ptr[0]) % 4;
int i;
show_boot_progress (13);
/* skip kernel length and terminator */
data = (ulong) (&len_ptr[2]);
/* skip any additional image length fields */
for (i = 1; len_ptr[i]; ++i)
data += 4;
/* add kernel length, and align */
data += ntohl (len_ptr[0]);
if (tail) {
data += 4 - tail;
}
len = ntohl (len_ptr[1]);
} else {
/* no initrd image */
show_boot_progress (14);
len = data = 0;
}
if (data) {
initrd_start = data;
initrd_end = initrd_start + len;
} else {
initrd_start = 0;
initrd_end = 0;
}
show_boot_progress (15);
params = params_start = (struct tag *)gd->bd->bi_boot_params;
params = setup_start_tag(params);
params = setup_memory_tags(params);
if (initrd_start) {
params = setup_ramdisk_tag(params,
PHYSADDR(initrd_start),
PHYSADDR(initrd_end));
}
params = setup_commandline_tag(params, commandline);
params = setup_clock_tags(params);
params = setup_ethernet_tags(params);
setup_end_tag(params);
printf("\nStarting kernel at %p (params at %p)...\n\n",
theKernel, params_start);
prepare_to_boot();
theKernel(ATAG_MAGIC, params_start);
}
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
bd_t *bd = gd->bd;
char *s;
int machid = bd->bi_arch_number;
void (*theKernel)(int zero, int arch, uint params);
#ifdef CONFIG_CMDLINE_TAG
char *commandline = getenv ("bootargs");
#endif
#ifdef CONFIG_MARVELL_TAG
char *env;
#endif
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
theKernel = (void (*)(int, int, uint))images->ep;
s = getenv ("machid");
if (s) {
machid = simple_strtoul (s, NULL, 16);
printf ("Using machid 0x%x from environment\n", machid);
}
show_boot_progress (15);
debug ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_SERIAL_TAG) || \
defined (CONFIG_REVISION_TAG) || \
defined (CONFIG_LCD) || \
defined (CONFIG_VFD) || \
defined (CONFIG_MARVELL_TAG)
setup_start_tag (bd);
#ifdef CONFIG_SERIAL_TAG
setup_serial_tag (¶ms);
#endif
#ifdef CONFIG_REVISION_TAG
setup_revision_tag (¶ms);
#endif
#ifdef CONFIG_SETUP_MEMORY_TAGS
setup_memory_tags (bd);
#endif
#ifdef CONFIG_CMDLINE_TAG
setup_commandline_tag (bd, commandline);
#endif
#ifdef CONFIG_INITRD_TAG
if (images->rd_start && images->rd_end)
setup_initrd_tag (bd, images->rd_start, images->rd_end);
#endif
#if defined (CONFIG_VFD) || defined (CONFIG_LCD)
setup_videolfb_tag ((gd_t *) gd);
#endif
#if defined (CONFIG_MARVELL_TAG)
env = getenv("passDramInitTag");
if(((strcmp(env,"yes") == 0) || (strcmp(env,"Yes") == 0))) {
setup_marvell_tag();
}
#endif
setup_end_tag (bd);
#endif
/* we assume that the kernel is in place */
printf ("\nStarting kernel ...\n\n");
#ifdef CONFIG_USB_DEVICE
{
extern void udc_disconnect (void);
udc_disconnect ();
}
#endif
cleanup_before_linux ();
theKernel (0, machid, bd->bi_boot_params);
/* does not return */
return 1;
}
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
bd_t *bd = gd->bd;
char *s;
int machid = bd->bi_arch_number;
void (*theKernel)(int zero, int arch, uint params);
#ifdef CONFIG_CMDLINE_TAG
char *commandline = getenv("bootargs");
#endif
/*
* allow the PREP bootm subcommand, it is required for bootm to work
*/
if (flag & BOOTM_STATE_OS_PREP)
return 0;
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
theKernel = (void (*)(int, int, uint))images->ep;
s = getenv("machid");
if (s) {
machid = simple_strtoul(s, NULL, 16);
printf("Using machid 0x%x from environment\n", machid);
}
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
debug("## Transferring control to Linux (at address %08lx) ...\n",
(ulong)theKernel);
#if defined(CONFIG_SETUP_MEMORY_TAGS) || \
defined(CONFIG_CMDLINE_TAG) || \
defined(CONFIG_INITRD_TAG) || \
defined(CONFIG_SERIAL_TAG) || \
defined(CONFIG_REVISION_TAG)
setup_start_tag(bd);
#ifdef CONFIG_SERIAL_TAG
setup_serial_tag(¶ms);
#endif
#ifdef CONFIG_REVISION_TAG
setup_revision_tag(¶ms);
#endif
#ifdef CONFIG_SETUP_MEMORY_TAGS
setup_memory_tags(bd);
#endif
#ifdef CONFIG_CMDLINE_TAG
setup_commandline_tag(bd, commandline);
#endif
#ifdef CONFIG_INITRD_TAG
if (images->rd_start && images->rd_end)
setup_initrd_tag(bd, images->rd_start, images->rd_end);
#endif
setup_end_tag(bd);
#endif
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
#ifdef CONFIG_USB_DEVICE
{
extern void udc_disconnect(void);
udc_disconnect();
}
#endif
cleanup_before_linux();
theKernel(0, machid, bd->bi_boot_params);
/* does not return */
return 1;
}
void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
bootm_headers_t *images)
{
ulong initrd_start, initrd_end;
ulong ep = 0;
bd_t *bd = gd->bd;
char *s;
int machid = bd->bi_arch_number;
void (*theKernel)(int zero, int arch, uint params);
int ret;
#ifdef CONFIG_CMDLINE_TAG
char *commandline = getenv ("bootargs");
#endif
/* find kernel entry point */
if (images->legacy_hdr_valid) {
ep = image_get_ep (&images->legacy_hdr_os_copy);
#if defined(CONFIG_FIT)
} else if (images->fit_uname_os) {
ret = fit_image_get_entry (images->fit_hdr_os,
images->fit_noffset_os, &ep);
if (ret) {
puts ("Can't get entry point property!\n");
goto error;
}
#endif
} else {
puts ("Could not find kernel entry point!\n");
goto error;
}
theKernel = (void (*)(int, int, uint))ep;
s = getenv ("machid");
if (s) {
machid = simple_strtoul (s, NULL, 16);
printf ("Using machid 0x%x from environment\n", machid);
}
ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_ARM,
&initrd_start, &initrd_end);
if (ret)
goto error;
show_boot_progress (15);
debug ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_SERIAL_TAG) || \
defined (CONFIG_REVISION_TAG) || \
defined (CONFIG_LCD) || \
defined (CONFIG_VFD)
setup_start_tag (bd);
#ifdef CONFIG_SERIAL_TAG
setup_serial_tag (¶ms);
#endif
#ifdef CONFIG_REVISION_TAG
setup_revision_tag (¶ms);
#endif
#ifdef CONFIG_SETUP_MEMORY_TAGS
setup_memory_tags (bd);
#endif
#ifdef CONFIG_CMDLINE_TAG
setup_commandline_tag (bd, commandline);
#endif
#ifdef CONFIG_INITRD_TAG
if (initrd_start && initrd_end)
setup_initrd_tag (bd, initrd_start, initrd_end);
#endif
#if defined (CONFIG_VFD) || defined (CONFIG_LCD)
setup_videolfb_tag ((gd_t *) gd);
#endif
setup_end_tag (bd);
#endif
/* we assume that the kernel is in place */
printf ("\nStarting kernel ...\n\n");
#ifdef CONFIG_USB_DEVICE
{
extern void udc_disconnect (void);
udc_disconnect ();
}
#endif
cleanup_before_linux ();
theKernel (0, machid, bd->bi_boot_params);
/* does not return */
return;
error:
do_reset (cmdtp, flag, argc, argv);
return;
}
int do_nand_boot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
DECLARE_GLOBAL_DATA_PTR;
int ret;
bd_t *bd = gd->bd;
ulong addr, data, len, initrd_start, initrd_end;
void (*theKernel)(int zero, int arch, uint params);
int strlen;
#ifdef CONFIG_CMDLINE_TAG
char *commandline = getenv ("bootargs");
#endif
#ifdef CFG_UBOOT_PROFILING
extern unsigned int boot_time;
unsigned int time_do_nand_boot= get_timer(0);
unsigned int time_rootfs;
unsigned int time_load_bootimg;
unsigned int ubt;
#endif
#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_SERIAL_TAG) || \
defined (CONFIG_REVISION_TAG) || \
defined (CONFIG_LCD) || \
defined (CONFIG_VFD)
setup_start_tag (bd);
#ifdef CONFIG_SERIAL_TAG
setup_serial_tag (¶ms);
#endif
#ifdef CONFIG_REVISION_TAG
setup_revision_tag (¶ms);
#endif
#ifdef CONFIG_SETUP_MEMORY_TAGS
if(g_boot_mode == FACTORY_BOOT)
{
setup_memory_tags_factory(bd);
}
else
{
setup_memory_tags (bd);
}
#endif
//#ifdef CONFIG_CMDLINE_TAG
//****************
//* according to current boot mode to set boot tag and related boot args
//*
switch(g_boot_mode)
{
//********************************************************************
//* NORMAL BOOT
//********************************************************************
case NORMAL_BOOT:
#if defined(CFG_NAND_BOOT)
strlen += sprintf(commandline, "%s%s%x%s%x",
commandline, NAND_MANF_CMDLINE, nand_flash_man_code, NAND_DEV_CMDLINE, nand_flash_dev_id);
#endif
setup_boot_tag(NORMAL_BOOT);
ret = mboot_android_load_bootimg_hdr(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_header_error("Android Boot Image");
}
#ifdef CFG_UBOOT_PROFILING
time_load_bootimg= get_timer(0);
#endif
ret = mboot_android_load_bootimg(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
#ifdef CFG_UBOOT_PROFILING
printf("[PROFILE] ------- load boot.img takes %d ms -------- \n", get_timer(time_load_bootimg));
#endif
if (ret < 0) {
msg_img_error("Android Boot Image");
}
break;
//********************************************************************
//* META
//********************************************************************
case META_BOOT:
#ifdef CFG_META_MODE
printf("[META] - Old bootargs : %s\n",commandline);
commandline=strcat(commandline,META_BOOTARGS);
printf("[META] - New bootargs : %s\n",commandline);
setup_boot_tag(META_BOOT);
#endif
ret = mboot_android_load_bootimg_hdr(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_header_error("Android Boot Image");
}
ret = mboot_android_load_bootimg(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_img_error("Android Boot Image");
}
break;
//********************************************************************
//* ADVANCED META MODE
//********************************************************************
case ADVMETA_BOOT:
printf("[META] - Old bootargs : %s\n",commandline);
commandline=strcat(commandline, ADV_META_BOOTARGS);
printf("[META] - New bootargs : %s\n",commandline);
setup_boot_tag(ADVMETA_BOOT);
ret = mboot_android_load_bootimg_hdr(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_header_error("Android Boot Image");
}
ret = mboot_android_load_bootimg(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_img_error("Android Boot Image");
}
break;
//********************************************************************
//* ANDROID RECOVERY
//********************************************************************
case RECOVERY_BOOT:
#ifdef CFG_RECOVERY_MODE
setup_boot_tag(RECOVERY_BOOT);
#endif
ret = mboot_android_load_recoveryimg_hdr(PART_RECOVERY, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_header_error("Android Recovery Image");
}
ret = mboot_android_load_recoveryimg(PART_RECOVERY, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_img_error("Android Recovery Image");
}
break;
//********************************************************************
//* FACTORY
//********************************************************************
case FACTORY_BOOT:
#if defined(CFG_NAND_BOOT)
strlen += sprintf(commandline, "%s%s%x%s%x",
commandline, NAND_MANF_CMDLINE, nand_flash_man_code, NAND_DEV_CMDLINE, nand_flash_dev_id);
#endif
#ifdef CFG_FACTORY_MODE
setup_boot_tag(FACTORY_BOOT);
#endif
//*************
//* parse recovery image header
//*
ret = mboot_android_load_factoryimg_hdr(CFG_FACTORY_NAME, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
printf("factory image doesn't exist in SD card\n");
// load boot image from nand
ret = mboot_android_load_bootimg_hdr(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_header_error("Android Boot Image");
}
ret = mboot_android_load_bootimg(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_img_error("Android Boot Image");
}
}
else
{
// load the factory image
ret = mboot_android_load_factoryimg(CFG_FACTORY_NAME, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_img_error("Android Factory Image");
}
}
break;
//********************************************************************
//* ATE_FACTORY_BOOT
//********************************************************************
case ATE_FACTORY_BOOT:
#if defined(CFG_NAND_BOOT)
strlen += sprintf(commandline, "%s%s%x%s%x",
commandline, NAND_MANF_CMDLINE, nand_flash_man_code, NAND_DEV_CMDLINE, nand_flash_dev_id);
#endif
#ifdef CFG_FACTORY_MODE
setup_boot_tag(ATE_FACTORY_BOOT);
#endif
//*************
//* parse recovery image header
//*
ret = mboot_android_load_factoryimg_hdr(CFG_FACTORY_NAME, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
printf("factory image doesn't exist in SD card\n");
// load boot image from nand
ret = mboot_android_load_bootimg_hdr(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_header_error("Android Boot Image");
}
ret = mboot_android_load_bootimg(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_img_error("Android Boot Image");
}
}
else
{
// load the factory image
ret = mboot_android_load_factoryimg(CFG_FACTORY_NAME, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_img_error("Android Factory Image");
}
}
break;
//********************************************************************
//* SW BOOT
//********************************************************************
case SW_REBOOT:
setup_boot_tag(SW_REBOOT);
ret = mboot_android_load_bootimg_hdr(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_header_error("Android Boot Image");
}
ret = mboot_android_load_bootimg(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_img_error("Android Boot Image");
}
break;
//********************************************************************
//* ALARM BOOT
//********************************************************************
case ALARM_BOOT:
#if defined(CFG_NAND_BOOT)
strlen += sprintf(commandline, "%s%s%x%s%x",
commandline, NAND_MANF_CMDLINE, nand_flash_man_code, NAND_DEV_CMDLINE, nand_flash_dev_id);
#endif
setup_boot_tag(ALARM_BOOT);
ret = mboot_android_load_bootimg_hdr(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
if (ret < 0) {
msg_header_error("Android Boot Image");
}
#ifdef CFG_UBOOT_PROFILING
time_load_bootimg= get_timer(0);
#endif
ret = mboot_android_load_bootimg(PART_BOOTIMG, CFG_BOOTIMG_LOAD_ADDR);
#ifdef CFG_UBOOT_PROFILING
printf("[PROFILE] ------- load boot.img takes %d ms -------- \n", get_timer(time_load_bootimg));
#endif
if (ret < 0) {
msg_img_error("Android Boot Image");
}
break;
}
//*************
//* relocate rootfs (ignore rootfs header)
//*
#ifdef CFG_UBOOT_PROFILING
time_rootfs = get_timer(0);
#endif
//if(g_boot_mode == RECOVERY_BOOT)
//{
memcpy((char *)CFG_RAMDISK_LOAD_ADDR, (char *)(g_rmem_off), g_rimg_sz);
//}
g_rmem_off = CFG_RAMDISK_LOAD_ADDR;
#ifdef CFG_UBOOT_PROFILING
printf("[PROFILE] ------- reloate rootfs takes %d ms -------- \n", get_timer(time_rootfs));
#endif
strlen += sprintf(commandline, "%s%s%s",
commandline,
" uboot_ver=" UBOOT_VERSION_CLI,
" uboot_build_ver=" BUILD_VERSION_CLI
);
#ifdef CFG_UBOOT_PROFILING
ubt = ((unsigned int)get_timer(boot_time)) + 810;
strlen += sprintf(commandline, "%s%s%d", commandline, ".ubt.", ubt);
#endif
custom_port_in_kernel(g_boot_mode, commandline);
strlen += sprintf(commandline, "%s lcm=%1d-%s", commandline, DISP_IsLcmFound(), mt65xx_disp_get_lcm_id());
setup_commandline_tag (bd, commandline);
//#endif //CONFIG_CMDLINE_TAG
//*************
//* dump some starting instruction for debug
//*
//printf(" theKernel (0x%x)\n",g_kmem_off);
//printf(" theKernel (0x%x) = 0x%x\n",g_kmem_off,DRV_Reg32(g_kmem_off));
//printf(" theKernel (0x%x) = 0x%x\n",g_kmem_off+0x4,DRV_Reg32(g_kmem_off+0x4));
//printf(" theKernel (0x%x) = 0x%x\n",g_kmem_off+0x8,DRV_Reg32(g_kmem_off+0x8));
//*************
//* dump some starting instruction for debug
//*
//printf("\n rootfs (0x%x)\n",g_rmem_off);
//printf(" rootfs (0x%x) = 0x%x\n",g_rmem_off,DRV_Reg32(g_rmem_off));
//printf(" rootfs (0x%x) = 0x%x\n",g_rmem_off+0x4,DRV_Reg32(g_rmem_off+0x4));
//printf(" rootfs (0x%x) = 0x%x\n",g_rmem_off+0x8,DRV_Reg32(g_rmem_off+0x8));
//*************
//* specify the kernel jumping address
//*
theKernel = (void (*)(int, int, uint)) (g_kmem_off);
//printf("\n > kernel mem offset (not include header) = 0x%x\n",theKernel);
//*************
//* specify the rootfs starting address
//*
initrd_start = g_rmem_off;
initrd_end = initrd_start + g_rimg_sz;
//printf(" > rootfs mem offset (not include header) = 0x%x\n\n",initrd_start);
#ifdef CONFIG_INITRD_TAG
if (initrd_start && initrd_end)
setup_initrd_tag (bd, initrd_start, initrd_end);
#endif
#if CONFIG_VIDEOLFB_TAG
setup_videolfb_tag ((gd_t *) gd);
#endif
setup_end_tag (bd);
#endif
#ifdef CFG_UBOOT_PROFILING
printf("[PROFILE] ------- do_nand_boot takes %d ms -------- \n", get_timer(time_do_nand_boot));
printf("[MBOOT] ------- UBoot boot kernel takes %d ms -------- \n", get_timer(boot_time));
#endif
printf("NAND BOOT\n");
#ifdef CONFIG_LCD
video_printf("NAND BOOT\n");
video_printf("Boot Linux Kernel\n");
#endif
//*****************
//* to centralize deinit process, moving
//* "Uboot_power_saving" to "cleanup_before_linux"
//*
cleanup_before_linux();
printf(" > kernel mem offset (not include header) = 0x%x\n",theKernel);
//*****************
//* jump to kernel
//*
theKernel (0, bd->bi_arch_number, bd->bi_boot_params);
return 0;
}
void do_booti_linux (boot_img_hdr *hdr)
{
ulong initrd_start, initrd_end;
void (*theKernel)(int zero, int arch, uint params);
bd_t *bd = gd->bd;
theKernel = (void (*)(int, int, uint))(hdr->kernel_addr);
initrd_start = hdr->ramdisk_addr;
initrd_end = initrd_start + hdr->ramdisk_size;
#if defined (CONFIG_SETUP_MEMORY_TAGS)
setup_start_tag (bd);
#ifdef CONFIG_SERIAL_TAG
setup_serial_tag (¶ms);
#endif
#ifdef CONFIG_REVISION_TAG
setup_revision_tag (¶ms);
#endif
#ifdef CONFIG_REVISION16_TAG
setup_revision16_tag (¶ms);
#endif
#ifdef CONFIG_SERIAL16_TAG
setup_serial16_tag (¶ms);
#endif
#ifdef CONFIG_MACADDR_TAG
setup_macaddr_tag (¶ms);
#endif
#ifdef CONFIG_BOOTMODE_TAG
setup_bootmode_tag (¶ms);
#endif
#ifdef CONFIG_GYROCAL_TAG
setup_gyrocal_tag (¶ms);
#endif
#ifdef CONFIG_PRODUCTID_TAG
setup_productid_tag (¶ms);
#endif
#ifdef CONFIG_SETUP_MEMORY_TAGS
setup_memory_tags (bd);
#endif
#ifdef CONFIG_CMDLINE_TAG
setup_commandline_tag (bd, hdr->cmdline);
#endif
#ifdef CONFIG_INITRD_TAG
if (hdr->ramdisk_size)
setup_initrd_tag (bd, initrd_start, initrd_end);
#endif
#if defined (CONFIG_VFD) || defined (CONFIG_LCD)
setup_videolfb_tag ((gd_t *) gd);
#endif
setup_end_tag (bd);
#endif
/* we assume that the kernel is in place */
printf ("\nStarting kernel ...\n\n");
#ifdef CONFIG_USB_DEVICE
{
extern void udc_disconnect (void);
udc_disconnect ();
}
#endif
cleanup_before_linux ();
theKernel (0, bd->bi_arch_number, bd->bi_boot_params);
}
void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
ulong addr, ulong *len_ptr, int verify)
{
ulong len = 0, checksum;
ulong initrd_start, initrd_end;
ulong data;
void (*theKernel)(int zero, int arch, uint params);
image_header_t *hdr = &header;
bd_t *bd = gd->bd;
#ifdef CONFIG_CMDLINE_TAG
char *commandline = getenv ("bootargs");
#endif
theKernel = (void (*)(int, int, uint))ntohl(hdr->ih_ep);
/*
* Check if there is an initrd image
*/
if (argc >= 3) {
SHOW_BOOT_PROGRESS (9);
addr = simple_strtoul (argv[2], NULL, 16);
printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
/* Copy header so we can blank CRC field for re-calculation */
#ifdef CONFIG_HAS_DATAFLASH
if (addr_dataflash (addr)) {
read_dataflash (addr, sizeof (image_header_t),
(char *) &header);
} else
#endif
memcpy (&header, (char *) addr,
sizeof (image_header_t));
if (ntohl (hdr->ih_magic) != IH_MAGIC) {
printf ("Bad Magic Number\n");
SHOW_BOOT_PROGRESS (-10);
do_reset (cmdtp, flag, argc, argv);
}
data = (ulong) & header;
len = sizeof (image_header_t);
checksum = ntohl (hdr->ih_hcrc);
hdr->ih_hcrc = 0;
if (crc32 (0, (unsigned char *) data, len) != checksum) {
printf ("Bad Header Checksum\n");
SHOW_BOOT_PROGRESS (-11);
do_reset (cmdtp, flag, argc, argv);
}
SHOW_BOOT_PROGRESS (10);
print_image_hdr (hdr);
data = addr + sizeof (image_header_t);
len = ntohl (hdr->ih_size);
#ifdef CONFIG_HAS_DATAFLASH
if (addr_dataflash (addr)) {
read_dataflash (data, len, (char *) CFG_LOAD_ADDR);
data = CFG_LOAD_ADDR;
}
#endif
if (verify) {
ulong csum = 0;
printf (" Verifying Checksum ... ");
csum = crc32 (0, (unsigned char *) data, len);
if (csum != ntohl (hdr->ih_dcrc)) {
printf ("Bad Data CRC\n");
SHOW_BOOT_PROGRESS (-12);
do_reset (cmdtp, flag, argc, argv);
}
printf ("OK\n");
}
SHOW_BOOT_PROGRESS (11);
if ((hdr->ih_os != IH_OS_LINUX) ||
(hdr->ih_arch != IH_CPU_ARM) ||
(hdr->ih_type != IH_TYPE_RAMDISK)) {
printf ("No Linux ARM Ramdisk Image\n");
SHOW_BOOT_PROGRESS (-13);
do_reset (cmdtp, flag, argc, argv);
}
#if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO)
/*
*we need to copy the ramdisk to SRAM to let Linux boot
*/
memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
data = ntohl(hdr->ih_load);
#endif /* CONFIG_B2 || CONFIG_EVB4510 */
/*
* Now check if we have a multifile image
*/
} else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
ulong tail = ntohl (len_ptr[0]) % 4;
int i;
SHOW_BOOT_PROGRESS (13);
/* skip kernel length and terminator */
data = (ulong) (&len_ptr[2]);
/* skip any additional image length fields */
for (i = 1; len_ptr[i]; ++i)
data += 4;
/* add kernel length, and align */
data += ntohl (len_ptr[0]);
if (tail) {
data += 4 - tail;
}
len = ntohl (len_ptr[1]);
} else {
/*
* no initrd image
*/
SHOW_BOOT_PROGRESS (14);
len = data = 0;
}
#ifdef DEBUG
if (!data) {
printf ("No initrd\n");
}
#endif
if (data) {
initrd_start = data;
initrd_end = initrd_start + len;
} else {
initrd_start = 0;
initrd_end = 0;
}
SHOW_BOOT_PROGRESS (15);
debug ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_SERIAL_TAG) || \
defined (CONFIG_REVISION_TAG) || \
defined (CONFIG_LCD) || \
defined (CONFIG_VFD)
setup_start_tag (bd);
#ifdef CONFIG_SERIAL_TAG
setup_serial_tag (¶ms);
#endif
#ifdef CONFIG_REVISION_TAG
setup_revision_tag (¶ms);
#endif
#ifdef CONFIG_SETUP_MEMORY_TAGS
setup_memory_tags (bd);
#endif
#ifdef CONFIG_CMDLINE_TAG
setup_commandline_tag (bd, commandline);
#endif
#ifdef CONFIG_INITRD_TAG
if (initrd_start && initrd_end)
setup_initrd_tag (bd, initrd_start, initrd_end);
#endif
#if defined (CONFIG_VFD) || defined (CONFIG_LCD)
setup_videolfb_tag ((gd_t *) gd);
#endif
setup_modelid_tag(¶ms);
setup_cpuid_tag(¶ms);
setup_end_tag (bd);
#endif
/* we assume that the kernel is in place */
printf ("\nStarting kernel ...\n\n");
#ifdef CONFIG_USB_DEVICE
{
extern void udc_disconnect (void);
udc_disconnect ();
}
#endif
cleanup_before_linux ();
theKernel (0, bd->bi_arch_number, bd->bi_boot_params);
}
int do_bootm_linux(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
void (*theKernel) (int, char **, char **, int *);
char *commandline = getenv("bootargs");
char env_buf[12];
char *cp;
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
/* find kernel entry point */
theKernel = (void (*)(int, char **, char **, int *))images->ep;
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
#ifdef DEBUG
printf("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
#endif
linux_params_init(UNCACHED_SDRAM(gd->bd->bi_boot_params), commandline);
#ifdef CONFIG_MEMSIZE_IN_BYTES
sprintf(env_buf, "%lu", (ulong)gd->ram_size);
debug("## Giving linux memsize in bytes, %lu\n", (ulong)gd->ram_size);
#else
sprintf(env_buf, "%lu", (ulong)(gd->ram_size >> 20));
debug("## Giving linux memsize in MB, %lu\n",
(ulong)(gd->ram_size >> 20));
#endif /* CONFIG_MEMSIZE_IN_BYTES */
linux_env_set("memsize", env_buf);
sprintf(env_buf, "0x%08X", (uint) UNCACHED_SDRAM(images->rd_start));
linux_env_set("initrd_start", env_buf);
sprintf(env_buf, "0x%X", (uint) (images->rd_end - images->rd_start));
linux_env_set("initrd_size", env_buf);
sprintf(env_buf, "0x%08X", (uint) (gd->bd->bi_flashstart));
linux_env_set("flash_start", env_buf);
sprintf(env_buf, "0x%X", (uint) (gd->bd->bi_flashsize));
linux_env_set("flash_size", env_buf);
cp = getenv("ethaddr");
if (cp)
linux_env_set("ethaddr", cp);
cp = getenv("eth1addr");
if (cp)
linux_env_set("eth1addr", cp);
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
theKernel(linux_argc, linux_argv, linux_env, 0);
/* does not return */
return 1;
}
