upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
540 lines
13 KiB
540 lines
13 KiB
/*
|
|
* (C) Copyright 2000-2009
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
/*
|
|
* Boot support
|
|
*/
|
|
#include <common.h>
|
|
#include <bootm.h>
|
|
#include <command.h>
|
|
#include <environment.h>
|
|
#include <errno.h>
|
|
#include <image.h>
|
|
#include <malloc.h>
|
|
#include <nand.h>
|
|
#include <asm/byteorder.h>
|
|
#include <linux/ctype.h>
|
|
#include <linux/err.h>
|
|
#include <u-boot/zlib.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#if defined(CONFIG_CMD_IMI)
|
|
static int image_info(unsigned long addr);
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_IMLS)
|
|
#include <flash.h>
|
|
#include <mtd/cfi_flash.h>
|
|
extern flash_info_t flash_info[]; /* info for FLASH chips */
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
|
|
static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
|
|
#endif
|
|
|
|
/* we overload the cmd field with our state machine info instead of a
|
|
* function pointer */
|
|
static cmd_tbl_t cmd_bootm_sub[] = {
|
|
U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
|
|
U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
|
|
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
|
|
U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
|
|
#endif
|
|
#ifdef CONFIG_OF_LIBFDT
|
|
U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
|
|
#endif
|
|
U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
|
|
U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
|
|
U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
|
|
U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
|
|
U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
|
|
};
|
|
|
|
static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char * const argv[])
|
|
{
|
|
int ret = 0;
|
|
long state;
|
|
cmd_tbl_t *c;
|
|
|
|
c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
|
|
argc--; argv++;
|
|
|
|
if (c) {
|
|
state = (long)c->cmd;
|
|
if (state == BOOTM_STATE_START)
|
|
state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
|
|
} else {
|
|
/* Unrecognized command */
|
|
return CMD_RET_USAGE;
|
|
}
|
|
|
|
if (((state & BOOTM_STATE_START) != BOOTM_STATE_START) &&
|
|
images.state >= state) {
|
|
printf("Trying to execute a command out of order\n");
|
|
return CMD_RET_USAGE;
|
|
}
|
|
|
|
ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*******************************************************************/
|
|
/* bootm - boot application image from image in memory */
|
|
/*******************************************************************/
|
|
|
|
int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
#ifdef CONFIG_NEEDS_MANUAL_RELOC
|
|
static int relocated = 0;
|
|
|
|
if (!relocated) {
|
|
int i;
|
|
|
|
/* relocate names of sub-command table */
|
|
for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
|
|
cmd_bootm_sub[i].name += gd->reloc_off;
|
|
|
|
relocated = 1;
|
|
}
|
|
#endif
|
|
|
|
/* determine if we have a sub command */
|
|
argc--; argv++;
|
|
if (argc > 0) {
|
|
char *endp;
|
|
|
|
simple_strtoul(argv[0], &endp, 16);
|
|
/* endp pointing to NULL means that argv[0] was just a
|
|
* valid number, pass it along to the normal bootm processing
|
|
*
|
|
* If endp is ':' or '#' assume a FIT identifier so pass
|
|
* along for normal processing.
|
|
*
|
|
* Right now we assume the first arg should never be '-'
|
|
*/
|
|
if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
|
|
return do_bootm_subcommand(cmdtp, flag, argc, argv);
|
|
}
|
|
|
|
return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
|
|
BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
|
|
BOOTM_STATE_LOADOS |
|
|
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
|
|
BOOTM_STATE_RAMDISK |
|
|
#endif
|
|
#if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
|
|
BOOTM_STATE_OS_CMDLINE |
|
|
#endif
|
|
BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
|
|
BOOTM_STATE_OS_GO, &images, 1);
|
|
}
|
|
|
|
int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
|
|
{
|
|
const char *ep = getenv("autostart");
|
|
|
|
if (ep && !strcmp(ep, "yes")) {
|
|
char *local_args[2];
|
|
local_args[0] = (char *)cmd;
|
|
local_args[1] = NULL;
|
|
printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
|
|
return do_bootm(cmdtp, 0, 1, local_args);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_SYS_LONGHELP
|
|
static char bootm_help_text[] =
|
|
"[addr [arg ...]]\n - boot application image stored in memory\n"
|
|
"\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
|
|
"\t'arg' can be the address of an initrd image\n"
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
"\tWhen booting a Linux kernel which requires a flat device-tree\n"
|
|
"\ta third argument is required which is the address of the\n"
|
|
"\tdevice-tree blob. To boot that kernel without an initrd image,\n"
|
|
"\tuse a '-' for the second argument. If you do not pass a third\n"
|
|
"\ta bd_info struct will be passed instead\n"
|
|
#endif
|
|
#if defined(CONFIG_FIT)
|
|
"\t\nFor the new multi component uImage format (FIT) addresses\n"
|
|
"\tmust be extended to include component or configuration unit name:\n"
|
|
"\taddr:<subimg_uname> - direct component image specification\n"
|
|
"\taddr#<conf_uname> - configuration specification\n"
|
|
"\tUse iminfo command to get the list of existing component\n"
|
|
"\timages and configurations.\n"
|
|
#endif
|
|
"\nSub-commands to do part of the bootm sequence. The sub-commands "
|
|
"must be\n"
|
|
"issued in the order below (it's ok to not issue all sub-commands):\n"
|
|
"\tstart [addr [arg ...]]\n"
|
|
"\tloados - load OS image\n"
|
|
#if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
|
|
"\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
|
|
#endif
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
"\tfdt - relocate flat device tree\n"
|
|
#endif
|
|
"\tcmdline - OS specific command line processing/setup\n"
|
|
"\tbdt - OS specific bd_t processing\n"
|
|
"\tprep - OS specific prep before relocation or go\n"
|
|
#if defined(CONFIG_TRACE)
|
|
"\tfake - OS specific fake start without go\n"
|
|
#endif
|
|
"\tgo - start OS";
|
|
#endif
|
|
|
|
U_BOOT_CMD(
|
|
bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
|
|
"boot application image from memory", bootm_help_text
|
|
);
|
|
|
|
/*******************************************************************/
|
|
/* bootd - boot default image */
|
|
/*******************************************************************/
|
|
#if defined(CONFIG_CMD_BOOTD)
|
|
int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
return run_command(getenv("bootcmd"), flag);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
boot, 1, 1, do_bootd,
|
|
"boot default, i.e., run 'bootcmd'",
|
|
""
|
|
);
|
|
|
|
/* keep old command name "bootd" for backward compatibility */
|
|
U_BOOT_CMD(
|
|
bootd, 1, 1, do_bootd,
|
|
"boot default, i.e., run 'bootcmd'",
|
|
""
|
|
);
|
|
|
|
#endif
|
|
|
|
|
|
/*******************************************************************/
|
|
/* iminfo - print header info for a requested image */
|
|
/*******************************************************************/
|
|
#if defined(CONFIG_CMD_IMI)
|
|
static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int arg;
|
|
ulong addr;
|
|
int rcode = 0;
|
|
|
|
if (argc < 2) {
|
|
return image_info(load_addr);
|
|
}
|
|
|
|
for (arg = 1; arg < argc; ++arg) {
|
|
addr = simple_strtoul(argv[arg], NULL, 16);
|
|
if (image_info(addr) != 0)
|
|
rcode = 1;
|
|
}
|
|
return rcode;
|
|
}
|
|
|
|
static int image_info(ulong addr)
|
|
{
|
|
void *hdr = (void *)addr;
|
|
|
|
printf("\n## Checking Image at %08lx ...\n", addr);
|
|
|
|
switch (genimg_get_format(hdr)) {
|
|
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
|
|
case IMAGE_FORMAT_LEGACY:
|
|
puts(" Legacy image found\n");
|
|
if (!image_check_magic(hdr)) {
|
|
puts(" Bad Magic Number\n");
|
|
return 1;
|
|
}
|
|
|
|
if (!image_check_hcrc(hdr)) {
|
|
puts(" Bad Header Checksum\n");
|
|
return 1;
|
|
}
|
|
|
|
image_print_contents(hdr);
|
|
|
|
puts(" Verifying Checksum ... ");
|
|
if (!image_check_dcrc(hdr)) {
|
|
puts(" Bad Data CRC\n");
|
|
return 1;
|
|
}
|
|
puts("OK\n");
|
|
return 0;
|
|
#endif
|
|
#if defined(CONFIG_ANDROID_BOOT_IMAGE)
|
|
case IMAGE_FORMAT_ANDROID:
|
|
puts(" Android image found\n");
|
|
android_print_contents(hdr);
|
|
return 0;
|
|
#endif
|
|
#if defined(CONFIG_FIT)
|
|
case IMAGE_FORMAT_FIT:
|
|
puts(" FIT image found\n");
|
|
|
|
if (!fit_check_format(hdr)) {
|
|
puts("Bad FIT image format!\n");
|
|
return 1;
|
|
}
|
|
|
|
fit_print_contents(hdr);
|
|
|
|
if (!fit_all_image_verify(hdr)) {
|
|
puts("Bad hash in FIT image!\n");
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
#endif
|
|
default:
|
|
puts("Unknown image format!\n");
|
|
break;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
|
|
"print header information for application image",
|
|
"addr [addr ...]\n"
|
|
" - print header information for application image starting at\n"
|
|
" address 'addr' in memory; this includes verification of the\n"
|
|
" image contents (magic number, header and payload checksums)"
|
|
);
|
|
#endif
|
|
|
|
|
|
/*******************************************************************/
|
|
/* imls - list all images found in flash */
|
|
/*******************************************************************/
|
|
#if defined(CONFIG_CMD_IMLS)
|
|
static int do_imls_nor(void)
|
|
{
|
|
flash_info_t *info;
|
|
int i, j;
|
|
void *hdr;
|
|
|
|
for (i = 0, info = &flash_info[0];
|
|
i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
|
|
|
|
if (info->flash_id == FLASH_UNKNOWN)
|
|
goto next_bank;
|
|
for (j = 0; j < info->sector_count; ++j) {
|
|
|
|
hdr = (void *)info->start[j];
|
|
if (!hdr)
|
|
goto next_sector;
|
|
|
|
switch (genimg_get_format(hdr)) {
|
|
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
|
|
case IMAGE_FORMAT_LEGACY:
|
|
if (!image_check_hcrc(hdr))
|
|
goto next_sector;
|
|
|
|
printf("Legacy Image at %08lX:\n", (ulong)hdr);
|
|
image_print_contents(hdr);
|
|
|
|
puts(" Verifying Checksum ... ");
|
|
if (!image_check_dcrc(hdr)) {
|
|
puts("Bad Data CRC\n");
|
|
} else {
|
|
puts("OK\n");
|
|
}
|
|
break;
|
|
#endif
|
|
#if defined(CONFIG_FIT)
|
|
case IMAGE_FORMAT_FIT:
|
|
if (!fit_check_format(hdr))
|
|
goto next_sector;
|
|
|
|
printf("FIT Image at %08lX:\n", (ulong)hdr);
|
|
fit_print_contents(hdr);
|
|
break;
|
|
#endif
|
|
default:
|
|
goto next_sector;
|
|
}
|
|
|
|
next_sector: ;
|
|
}
|
|
next_bank: ;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_IMLS_NAND)
|
|
static int nand_imls_legacyimage(struct mtd_info *mtd, int nand_dev,
|
|
loff_t off, size_t len)
|
|
{
|
|
void *imgdata;
|
|
int ret;
|
|
|
|
imgdata = malloc(len);
|
|
if (!imgdata) {
|
|
printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
|
|
nand_dev, off);
|
|
printf(" Low memory(cannot allocate memory for image)\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
ret = nand_read_skip_bad(mtd, off, &len, NULL, mtd->size, imgdata);
|
|
if (ret < 0 && ret != -EUCLEAN) {
|
|
free(imgdata);
|
|
return ret;
|
|
}
|
|
|
|
if (!image_check_hcrc(imgdata)) {
|
|
free(imgdata);
|
|
return 0;
|
|
}
|
|
|
|
printf("Legacy Image at NAND device %d offset %08llX:\n",
|
|
nand_dev, off);
|
|
image_print_contents(imgdata);
|
|
|
|
puts(" Verifying Checksum ... ");
|
|
if (!image_check_dcrc(imgdata))
|
|
puts("Bad Data CRC\n");
|
|
else
|
|
puts("OK\n");
|
|
|
|
free(imgdata);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nand_imls_fitimage(struct mtd_info *mtd, int nand_dev, loff_t off,
|
|
size_t len)
|
|
{
|
|
void *imgdata;
|
|
int ret;
|
|
|
|
imgdata = malloc(len);
|
|
if (!imgdata) {
|
|
printf("May be a FIT Image at NAND device %d offset %08llX:\n",
|
|
nand_dev, off);
|
|
printf(" Low memory(cannot allocate memory for image)\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
ret = nand_read_skip_bad(mtd, off, &len, NULL, mtd->size, imgdata);
|
|
if (ret < 0 && ret != -EUCLEAN) {
|
|
free(imgdata);
|
|
return ret;
|
|
}
|
|
|
|
if (!fit_check_format(imgdata)) {
|
|
free(imgdata);
|
|
return 0;
|
|
}
|
|
|
|
printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
|
|
|
|
fit_print_contents(imgdata);
|
|
free(imgdata);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int do_imls_nand(void)
|
|
{
|
|
struct mtd_info *mtd;
|
|
int nand_dev = nand_curr_device;
|
|
size_t len;
|
|
loff_t off;
|
|
u32 buffer[16];
|
|
|
|
if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
|
|
puts("\nNo NAND devices available\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
|
|
mtd = nand_info[nand_dev];
|
|
if (!mtd->name || !mtd->size)
|
|
continue;
|
|
|
|
for (off = 0; off < mtd->size; off += mtd->erasesize) {
|
|
const image_header_t *header;
|
|
int ret;
|
|
|
|
if (nand_block_isbad(mtd, off))
|
|
continue;
|
|
|
|
len = sizeof(buffer);
|
|
|
|
ret = nand_read(mtd, off, &len, (u8 *)buffer);
|
|
if (ret < 0 && ret != -EUCLEAN) {
|
|
printf("NAND read error %d at offset %08llX\n",
|
|
ret, off);
|
|
continue;
|
|
}
|
|
|
|
switch (genimg_get_format(buffer)) {
|
|
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
|
|
case IMAGE_FORMAT_LEGACY:
|
|
header = (const image_header_t *)buffer;
|
|
|
|
len = image_get_image_size(header);
|
|
nand_imls_legacyimage(mtd, nand_dev, off, len);
|
|
break;
|
|
#endif
|
|
#if defined(CONFIG_FIT)
|
|
case IMAGE_FORMAT_FIT:
|
|
len = fit_get_size(buffer);
|
|
nand_imls_fitimage(mtd, nand_dev, off, len);
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
|
|
static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int ret_nor = 0, ret_nand = 0;
|
|
|
|
#if defined(CONFIG_CMD_IMLS)
|
|
ret_nor = do_imls_nor();
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_IMLS_NAND)
|
|
ret_nand = do_imls_nand();
|
|
#endif
|
|
|
|
if (ret_nor)
|
|
return ret_nor;
|
|
|
|
if (ret_nand)
|
|
return ret_nand;
|
|
|
|
return (0);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
imls, 1, 1, do_imls,
|
|
"list all images found in flash",
|
|
"\n"
|
|
" - Prints information about all images found at sector/block\n"
|
|
" boundaries in nor/nand flash."
|
|
);
|
|
#endif
|
|
|