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.
526 lines
13 KiB
526 lines
13 KiB
/*
|
|
* (C) Copyright 2006
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <malloc.h>
|
|
#include <image.h>
|
|
#include <asm/byteorder.h>
|
|
#include <usb.h>
|
|
#include <part.h>
|
|
|
|
#ifdef CONFIG_SYS_HUSH_PARSER
|
|
#include <hush.h>
|
|
#endif
|
|
|
|
|
|
#ifdef CONFIG_AUTO_UPDATE
|
|
|
|
#ifndef CONFIG_USB_OHCI
|
|
#error "must define CONFIG_USB_OHCI"
|
|
#endif
|
|
|
|
#ifndef CONFIG_USB_STORAGE
|
|
#error "must define CONFIG_USB_STORAGE"
|
|
#endif
|
|
|
|
#ifndef CONFIG_SYS_HUSH_PARSER
|
|
#error "must define CONFIG_SYS_HUSH_PARSER"
|
|
#endif
|
|
|
|
#if !defined(CONFIG_CMD_FAT)
|
|
#error "must define CONFIG_CMD_FAT"
|
|
#endif
|
|
|
|
#undef AU_DEBUG
|
|
|
|
#undef debug
|
|
#ifdef AU_DEBUG
|
|
#define debug(fmt,args...) printf (fmt ,##args)
|
|
#else
|
|
#define debug(fmt,args...)
|
|
#endif /* AU_DEBUG */
|
|
|
|
/* possible names of files on the USB stick. */
|
|
#define AU_FIRMWARE "u-boot.img"
|
|
#define AU_KERNEL "kernel.img"
|
|
#define AU_ROOTFS "rootfs.img"
|
|
|
|
struct flash_layout {
|
|
long start;
|
|
long end;
|
|
};
|
|
|
|
/* layout of the FLASH. ST = start address, ND = end address. */
|
|
#define AU_FL_FIRMWARE_ST 0xfC000000
|
|
#define AU_FL_FIRMWARE_ND 0xfC03FFFF
|
|
#define AU_FL_KERNEL_ST 0xfC0C0000
|
|
#define AU_FL_KERNEL_ND 0xfC1BFFFF
|
|
#define AU_FL_ROOTFS_ST 0xFC1C0000
|
|
#define AU_FL_ROOTFS_ND 0xFCFBFFFF
|
|
|
|
static int au_usb_stor_curr_dev; /* current device */
|
|
|
|
/* index of each file in the following arrays */
|
|
#define IDX_FIRMWARE 0
|
|
#define IDX_KERNEL 1
|
|
#define IDX_ROOTFS 2
|
|
|
|
/* max. number of files which could interest us */
|
|
#define AU_MAXFILES 3
|
|
|
|
/* pointers to file names */
|
|
char *aufile[AU_MAXFILES] = {
|
|
AU_FIRMWARE,
|
|
AU_KERNEL,
|
|
AU_ROOTFS
|
|
};
|
|
|
|
/* sizes of flash areas for each file */
|
|
long ausize[AU_MAXFILES] = {
|
|
(AU_FL_FIRMWARE_ND + 1) - AU_FL_FIRMWARE_ST,
|
|
(AU_FL_KERNEL_ND + 1) - AU_FL_KERNEL_ST,
|
|
(AU_FL_ROOTFS_ND + 1) - AU_FL_ROOTFS_ST,
|
|
};
|
|
|
|
/* array of flash areas start and end addresses */
|
|
struct flash_layout aufl_layout[AU_MAXFILES] = {
|
|
{ AU_FL_FIRMWARE_ST, AU_FL_FIRMWARE_ND, },
|
|
{ AU_FL_KERNEL_ST, AU_FL_KERNEL_ND, },
|
|
{ AU_FL_ROOTFS_ST, AU_FL_ROOTFS_ND, },
|
|
};
|
|
|
|
ulong totsize;
|
|
|
|
/* where to load files into memory */
|
|
#define LOAD_ADDR ((unsigned char *)0x00200000)
|
|
|
|
/* the root file system is the largest image */
|
|
#define MAX_LOADSZ ausize[IDX_ROOTFS]
|
|
|
|
/*i2c address of the keypad status*/
|
|
#define I2C_PSOC_KEYPAD_ADDR 0x53
|
|
|
|
/* keypad mask */
|
|
#define KEYPAD_ROW 2
|
|
#define KEYPAD_COL 2
|
|
#define KEYPAD_MASK_LO ((1<<(KEYPAD_COL-1+(KEYPAD_ROW*3-3)))&0xFF)
|
|
#define KEYPAD_MASK_HI ((1<<(KEYPAD_COL-1+(KEYPAD_ROW*3-3)))>>8)
|
|
|
|
/* externals */
|
|
extern int fat_register_device(block_dev_desc_t *, int);
|
|
extern int file_fat_detectfs(void);
|
|
extern long file_fat_read(const char *, void *, unsigned long);
|
|
extern int i2c_read (unsigned char, unsigned int, int , unsigned char* , int);
|
|
extern int flash_sect_erase(ulong, ulong);
|
|
extern int flash_sect_protect (int, ulong, ulong);
|
|
extern int flash_write (char *, ulong, ulong);
|
|
extern int u_boot_hush_start(void);
|
|
#ifdef CONFIG_PROGRESSBAR
|
|
extern void show_progress(int, int);
|
|
extern void lcd_puts (char *);
|
|
extern void lcd_enable(void);
|
|
#endif
|
|
|
|
int au_check_cksum_valid(int idx, long nbytes)
|
|
{
|
|
image_header_t *hdr;
|
|
|
|
hdr = (image_header_t *)LOAD_ADDR;
|
|
#if defined(CONFIG_FIT)
|
|
if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
|
|
puts ("Non legacy image format not supported\n");
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
if (nbytes != image_get_image_size (hdr)) {
|
|
printf ("Image %s bad total SIZE\n", aufile[idx]);
|
|
return -1;
|
|
}
|
|
/* check the data CRC */
|
|
if (!image_check_dcrc (hdr)) {
|
|
printf ("Image %s bad data checksum\n", aufile[idx]);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int au_check_header_valid(int idx, long nbytes)
|
|
{
|
|
image_header_t *hdr;
|
|
unsigned long checksum, fsize;
|
|
|
|
hdr = (image_header_t *)LOAD_ADDR;
|
|
#if defined(CONFIG_FIT)
|
|
if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
|
|
puts ("Non legacy image format not supported\n");
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
/* check the easy ones first */
|
|
#undef CHECK_VALID_DEBUG
|
|
#ifdef CHECK_VALID_DEBUG
|
|
printf("magic %#x %#x ", image_get_magic (hdr), IH_MAGIC);
|
|
printf("arch %#x %#x ", image_get_arch (hdr), IH_ARCH_ARM);
|
|
printf("size %#x %#lx ", image_get_data_size (hdr), nbytes);
|
|
printf("type %#x %#x ", image_get_type (hdr), IH_TYPE_KERNEL);
|
|
#endif
|
|
if (nbytes < image_get_header_size ()) {
|
|
printf ("Image %s bad header SIZE\n", aufile[idx]);
|
|
ausize[idx] = 0;
|
|
return -1;
|
|
}
|
|
if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_PPC)) {
|
|
printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]);
|
|
ausize[idx] = 0;
|
|
return -1;
|
|
}
|
|
/* check the hdr CRC */
|
|
if (!image_check_hcrc (hdr)) {
|
|
printf ("Image %s bad header checksum\n", aufile[idx]);
|
|
ausize[idx] = 0;
|
|
return -1;
|
|
}
|
|
/* check the type - could do this all in one gigantic if() */
|
|
if ((idx == IDX_FIRMWARE) && !image_check_type (hdr, IH_TYPE_FIRMWARE)) {
|
|
printf ("Image %s wrong type\n", aufile[idx]);
|
|
ausize[idx] = 0;
|
|
return -1;
|
|
}
|
|
if ((idx == IDX_KERNEL) && !image_check_type (hdr, IH_TYPE_KERNEL)) {
|
|
printf ("Image %s wrong type\n", aufile[idx]);
|
|
ausize[idx] = 0;
|
|
return -1;
|
|
}
|
|
if ((idx == IDX_ROOTFS) &&
|
|
(!image_check_type (hdr, IH_TYPE_RAMDISK) &&
|
|
!image_check_type (hdr, IH_TYPE_FILESYSTEM))) {
|
|
printf ("Image %s wrong type\n", aufile[idx]);
|
|
ausize[idx] = 0;
|
|
return -1;
|
|
}
|
|
/* recycle checksum */
|
|
checksum = image_get_data_size (hdr);
|
|
|
|
fsize = checksum + image_get_header_size ();
|
|
/* for kernel and ramdisk the image header must also fit into flash */
|
|
if (idx == IDX_KERNEL || image_check_type (hdr, IH_TYPE_RAMDISK))
|
|
checksum += image_get_header_size ();
|
|
|
|
/* check the size does not exceed space in flash. HUSH scripts */
|
|
if ((ausize[idx] != 0) && (ausize[idx] < checksum)) {
|
|
printf ("Image %s is bigger than FLASH\n", aufile[idx]);
|
|
ausize[idx] = 0;
|
|
return -1;
|
|
}
|
|
/* Update with the real filesize */
|
|
ausize[idx] = fsize;
|
|
|
|
return checksum; /* return size to be written to flash */
|
|
}
|
|
|
|
int au_do_update(int idx, long sz)
|
|
{
|
|
image_header_t *hdr;
|
|
char *addr;
|
|
long start, end;
|
|
int off, rc;
|
|
uint nbytes;
|
|
|
|
hdr = (image_header_t *)LOAD_ADDR;
|
|
#if defined(CONFIG_FIT)
|
|
if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
|
|
puts ("Non legacy image format not supported\n");
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
/* execute a script */
|
|
if (image_check_type (hdr, IH_TYPE_SCRIPT)) {
|
|
addr = (char *)((char *)hdr + image_get_header_size ());
|
|
/* stick a NULL at the end of the script, otherwise */
|
|
/* parse_string_outer() runs off the end. */
|
|
addr[image_get_data_size (hdr)] = 0;
|
|
addr += 8;
|
|
parse_string_outer(addr, FLAG_PARSE_SEMICOLON);
|
|
return 0;
|
|
}
|
|
|
|
start = aufl_layout[idx].start;
|
|
end = aufl_layout[idx].end;
|
|
|
|
/* unprotect the address range */
|
|
/* this assumes that ONLY the firmware is protected! */
|
|
if (idx == IDX_FIRMWARE) {
|
|
#undef AU_UPDATE_TEST
|
|
#ifdef AU_UPDATE_TEST
|
|
/* erase it where Linux goes */
|
|
start = aufl_layout[1].start;
|
|
end = aufl_layout[1].end;
|
|
#endif
|
|
flash_sect_protect(0, start, end);
|
|
}
|
|
|
|
/*
|
|
* erase the address range.
|
|
*/
|
|
debug ("flash_sect_erase(%lx, %lx);\n", start, end);
|
|
flash_sect_erase(start, end);
|
|
mdelay(100);
|
|
#ifdef CONFIG_PROGRESSBAR
|
|
show_progress(end - start, totsize);
|
|
#endif
|
|
|
|
/* strip the header - except for the kernel and ramdisk */
|
|
if (image_check_type (hdr, IH_TYPE_KERNEL) ||
|
|
image_check_type (hdr, IH_TYPE_RAMDISK)) {
|
|
addr = (char *)hdr;
|
|
off = image_get_header_size ();
|
|
nbytes = image_get_image_size (hdr);
|
|
} else {
|
|
addr = (char *)((char *)hdr + image_get_header_size ());
|
|
#ifdef AU_UPDATE_TEST
|
|
/* copy it to where Linux goes */
|
|
if (idx == IDX_FIRMWARE)
|
|
start = aufl_layout[1].start;
|
|
#endif
|
|
off = 0;
|
|
nbytes = image_get_data_size (hdr);
|
|
}
|
|
|
|
/* copy the data from RAM to FLASH */
|
|
debug ("flash_write(%p, %lx %x)\n", addr, start, nbytes);
|
|
rc = flash_write(addr, start, nbytes);
|
|
if (rc != 0) {
|
|
printf("Flashing failed due to error %d\n", rc);
|
|
return -1;
|
|
}
|
|
|
|
#ifdef CONFIG_PROGRESSBAR
|
|
show_progress(nbytes, totsize);
|
|
#endif
|
|
|
|
/* check the data CRC of the copy */
|
|
if (crc32 (0, (uchar *)(start + off), image_get_data_size (hdr)) !=
|
|
image_get_dcrc (hdr)) {
|
|
printf ("Image %s Bad Data Checksum after COPY\n", aufile[idx]);
|
|
return -1;
|
|
}
|
|
|
|
/* protect the address range */
|
|
/* this assumes that ONLY the firmware is protected! */
|
|
if (idx == IDX_FIRMWARE)
|
|
flash_sect_protect(1, start, end);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* this is called from board_init() after the hardware has been set up
|
|
* and is usable. That seems like a good time to do this.
|
|
* Right now the return value is ignored.
|
|
*/
|
|
int do_auto_update(void)
|
|
{
|
|
block_dev_desc_t *stor_dev;
|
|
long sz;
|
|
int i, res = 0, cnt, old_ctrlc;
|
|
char *env;
|
|
long start, end;
|
|
|
|
#if 0 /* disable key-press detection to speed up boot-up time */
|
|
uchar keypad_status1[2] = {0,0}, keypad_status2[2] = {0,0};
|
|
|
|
/*
|
|
* Read keypad status
|
|
*/
|
|
i2c_read(I2C_PSOC_KEYPAD_ADDR, 0, 0, keypad_status1, 2);
|
|
mdelay(500);
|
|
i2c_read(I2C_PSOC_KEYPAD_ADDR, 0, 0, keypad_status2, 2);
|
|
|
|
/*
|
|
* Check keypad
|
|
*/
|
|
if ( !(keypad_status1[1] & KEYPAD_MASK_LO) ||
|
|
(keypad_status1[1] != keypad_status2[1])) {
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
au_usb_stor_curr_dev = -1;
|
|
/* start USB */
|
|
if (usb_stop() < 0) {
|
|
debug ("usb_stop failed\n");
|
|
return -1;
|
|
}
|
|
if (usb_init() < 0) {
|
|
debug ("usb_init failed\n");
|
|
return -1;
|
|
}
|
|
/*
|
|
* check whether a storage device is attached (assume that it's
|
|
* a USB memory stick, since nothing else should be attached).
|
|
*/
|
|
au_usb_stor_curr_dev = usb_stor_scan(0);
|
|
if (au_usb_stor_curr_dev == -1) {
|
|
debug ("No device found. Not initialized?\n");
|
|
res = -1;
|
|
goto xit;
|
|
}
|
|
/* check whether it has a partition table */
|
|
stor_dev = get_dev("usb", 0);
|
|
if (stor_dev == NULL) {
|
|
debug ("uknown device type\n");
|
|
res = -1;
|
|
goto xit;
|
|
}
|
|
if (fat_register_device(stor_dev, 1) != 0) {
|
|
debug ("Unable to use USB %d:%d for fatls\n",
|
|
au_usb_stor_curr_dev, 1);
|
|
res = -1;
|
|
goto xit;
|
|
}
|
|
if (file_fat_detectfs() != 0) {
|
|
debug ("file_fat_detectfs failed\n");
|
|
}
|
|
|
|
/*
|
|
* now check whether start and end are defined using environment
|
|
* variables.
|
|
*/
|
|
start = -1;
|
|
end = 0;
|
|
env = getenv("firmware_st");
|
|
if (env != NULL)
|
|
start = simple_strtoul(env, NULL, 16);
|
|
env = getenv("firmware_nd");
|
|
if (env != NULL)
|
|
end = simple_strtoul(env, NULL, 16);
|
|
if (start >= 0 && end && end > start) {
|
|
ausize[IDX_FIRMWARE] = (end + 1) - start;
|
|
aufl_layout[IDX_FIRMWARE].start = start;
|
|
aufl_layout[IDX_FIRMWARE].end = end;
|
|
}
|
|
start = -1;
|
|
end = 0;
|
|
env = getenv("kernel_st");
|
|
if (env != NULL)
|
|
start = simple_strtoul(env, NULL, 16);
|
|
env = getenv("kernel_nd");
|
|
if (env != NULL)
|
|
end = simple_strtoul(env, NULL, 16);
|
|
if (start >= 0 && end && end > start) {
|
|
ausize[IDX_KERNEL] = (end + 1) - start;
|
|
aufl_layout[IDX_KERNEL].start = start;
|
|
aufl_layout[IDX_KERNEL].end = end;
|
|
}
|
|
start = -1;
|
|
end = 0;
|
|
env = getenv("rootfs_st");
|
|
if (env != NULL)
|
|
start = simple_strtoul(env, NULL, 16);
|
|
env = getenv("rootfs_nd");
|
|
if (env != NULL)
|
|
end = simple_strtoul(env, NULL, 16);
|
|
if (start >= 0 && end && end > start) {
|
|
ausize[IDX_ROOTFS] = (end + 1) - start;
|
|
aufl_layout[IDX_ROOTFS].start = start;
|
|
aufl_layout[IDX_ROOTFS].end = end;
|
|
}
|
|
|
|
/* make certain that HUSH is runnable */
|
|
u_boot_hush_start();
|
|
/* make sure that we see CTRL-C and save the old state */
|
|
old_ctrlc = disable_ctrlc(0);
|
|
|
|
/* validate the images first */
|
|
for (i = 0; i < AU_MAXFILES; i++) {
|
|
ulong imsize;
|
|
/* just read the header */
|
|
sz = file_fat_read(aufile[i], LOAD_ADDR, image_get_header_size ());
|
|
debug ("read %s sz %ld hdr %d\n",
|
|
aufile[i], sz, image_get_header_size ());
|
|
if (sz <= 0 || sz < image_get_header_size ()) {
|
|
debug ("%s not found\n", aufile[i]);
|
|
ausize[i] = 0;
|
|
continue;
|
|
}
|
|
/* au_check_header_valid() updates ausize[] */
|
|
if ((imsize = au_check_header_valid(i, sz)) < 0) {
|
|
debug ("%s header not valid\n", aufile[i]);
|
|
continue;
|
|
}
|
|
/* totsize accounts for image size and flash erase size */
|
|
totsize += (imsize + (aufl_layout[i].end - aufl_layout[i].start));
|
|
}
|
|
|
|
#ifdef CONFIG_PROGRESSBAR
|
|
if (totsize) {
|
|
lcd_puts(" Update in progress\n");
|
|
lcd_enable();
|
|
}
|
|
#endif
|
|
|
|
/* just loop thru all the possible files */
|
|
for (i = 0; i < AU_MAXFILES && totsize; i++) {
|
|
if (!ausize[i]) {
|
|
continue;
|
|
}
|
|
sz = file_fat_read(aufile[i], LOAD_ADDR, ausize[i]);
|
|
|
|
debug ("read %s sz %ld hdr %d\n",
|
|
aufile[i], sz, image_get_header_size ());
|
|
|
|
if (sz != ausize[i]) {
|
|
printf ("%s: size %ld read %ld?\n", aufile[i], ausize[i], sz);
|
|
continue;
|
|
}
|
|
|
|
if (sz <= 0 || sz <= image_get_header_size ()) {
|
|
debug ("%s not found\n", aufile[i]);
|
|
continue;
|
|
}
|
|
if (au_check_cksum_valid(i, sz) < 0) {
|
|
debug ("%s checksum not valid\n", aufile[i]);
|
|
continue;
|
|
}
|
|
/* this is really not a good idea, but it's what the */
|
|
/* customer wants. */
|
|
cnt = 0;
|
|
do {
|
|
res = au_do_update(i, sz);
|
|
/* let the user break out of the loop */
|
|
if (ctrlc() || had_ctrlc()) {
|
|
clear_ctrlc();
|
|
break;
|
|
}
|
|
cnt++;
|
|
#ifdef AU_TEST_ONLY
|
|
} while (res < 0 && cnt < (AU_MAXFILES + 1));
|
|
if (cnt < (AU_MAXFILES + 1))
|
|
#else
|
|
} while (res < 0);
|
|
#endif
|
|
}
|
|
|
|
/* restore the old state */
|
|
disable_ctrlc(old_ctrlc);
|
|
#ifdef CONFIG_PROGRESSBAR
|
|
if (totsize) {
|
|
if (!res) {
|
|
lcd_puts("\n Update completed\n");
|
|
} else {
|
|
lcd_puts("\n Update error\n");
|
|
}
|
|
lcd_enable();
|
|
}
|
|
#endif
|
|
xit:
|
|
usb_stop();
|
|
return res;
|
|
}
|
|
#endif /* CONFIG_AUTO_UPDATE */
|
|
|