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-rw-r--r--board/trab/auto_update.c148
1 files changed, 108 insertions, 40 deletions
diff --git a/board/trab/auto_update.c b/board/trab/auto_update.c
index da3b71c..9559d5e 100644
--- a/board/trab/auto_update.c
+++ b/board/trab/auto_update.c
@@ -202,6 +202,7 @@ extern int transfer_pic(unsigned char, unsigned char *, int, int);
/* change char* to void* to shutup the compiler */
extern int i2c_write_multiple (uchar, uint, int, void *, int);
extern int i2c_read_multiple (uchar, uint, int, void *, int);
+extern block_dev_desc_t *get_dev (char*, int);
int
au_check_valid(int idx, long nbytes)
@@ -220,68 +221,72 @@ au_check_valid(int idx, long nbytes)
printf("type %#x %#x ", hdr->ih_type, IH_TYPE_KERNEL);
#endif
if (ntohl(hdr->ih_magic) != IH_MAGIC ||
- hdr->ih_arch != IH_CPU_ARM ||
- nbytes < ntohl(hdr->ih_size)) {
- printf ("Image %s bad MAGIC or ARCH or SIZE\n", aufile[idx]);
- return -1;
+ hdr->ih_arch != IH_CPU_ARM ||
+ nbytes < ntohl(hdr->ih_size))
+ {
+ printf ("Image %s bad MAGIC or ARCH or SIZE\n", aufile[idx]);
+ return -1;
}
/* check the hdr CRC */
checksum = ntohl(hdr->ih_hcrc);
hdr->ih_hcrc = 0;
if (crc32 (0, (char *)hdr, sizeof(*hdr)) != checksum) {
- printf ("Image %s bad header checksum\n", aufile[idx]);
- return -1;
+ printf ("Image %s bad header checksum\n", aufile[idx]);
+ return -1;
}
+ hdr->ih_hcrc = htonl(checksum);
/* check the data CRC */
checksum = ntohl(hdr->ih_dcrc);
if (crc32 (0, (char *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
!= checksum)
{
- printf ("Image %s bad data checksum\n", aufile[idx]);
- return -1;
+ printf ("Image %s bad data checksum\n", aufile[idx]);
+ return -1;
}
/* check the type - could do this all in one gigantic if() */
if ((idx == IDX_FIRMWARE) && (hdr->ih_type != IH_TYPE_FIRMWARE)) {
- printf ("Image %s wrong type\n", aufile[idx]);
- return -1;
+ printf ("Image %s wrong type\n", aufile[idx]);
+ return -1;
}
if ((idx == IDX_KERNEL) && (hdr->ih_type != IH_TYPE_KERNEL)) {
- printf ("Image %s wrong type\n", aufile[idx]);
- return -1;
+ printf ("Image %s wrong type\n", aufile[idx]);
+ return -1;
}
if ((idx == IDX_DISK || idx == IDX_APP)
&& (hdr->ih_type != IH_TYPE_RAMDISK))
{
- printf ("Image %s wrong type\n", aufile[idx]);
- return -1;
+ printf ("Image %s wrong type\n", aufile[idx]);
+ return -1;
}
if ((idx == IDX_PREPARE || idx == IDX_PREINST || idx == IDX_POSTINST)
&& (hdr->ih_type != IH_TYPE_SCRIPT))
{
- printf ("Image %s wrong type\n", aufile[idx]);
- return -1;
+ printf ("Image %s wrong type\n", aufile[idx]);
+ return -1;
}
/* special case for prepare.img */
if (idx == IDX_PREPARE)
return 0;
/* check the size does not exceed space in flash */
if ((ausize[idx] != 0) && (ausize[idx] < ntohl(hdr->ih_size))) {
- printf ("Image %s is bigger than FLASH\n", aufile[idx]);
- return -1;
+ printf ("Image %s is bigger than FLASH\n", aufile[idx]);
+ return -1;
}
/* check the time stamp from the EEPROM */
/* read it in */
i2c_read_multiple(0x54, auee_off[idx].time, 1, buf, sizeof(buf));
#ifdef CHECK_VALID_DEBUG
-printf("buf[0] %#x buf[1] %#x buf[2] %#x buf[3] %#x as int %#x time %#x\n",
-buf[0], buf[1], buf[2], buf[3], *((unsigned int *)buf), ntohl(hdr->ih_time));
+ printf ("buf[0] %#x buf[1] %#x buf[2] %#x buf[3] %#x "
+ "as int %#x time %#x\n",
+ buf[0], buf[1], buf[2], buf[3],
+ *((unsigned int *)buf), ntohl(hdr->ih_time));
#endif
/* check it */
if (*((unsigned int *)buf) >= ntohl(hdr->ih_time)) {
- printf ("Image %s is too old\n", aufile[idx]);
- return -1;
+ printf ("Image %s is too old\n", aufile[idx]);
+ return -1;
}
return 0;
@@ -292,7 +297,7 @@ buf[0], buf[1], buf[2], buf[3], *((unsigned int *)buf), ntohl(hdr->ih_time));
#define POWER_OFF (1 << 1)
int
-au_do_update(int idx, long sz)
+au_do_update(int idx, long sz, int repeat)
{
image_header_t *hdr;
char *addr;
@@ -332,12 +337,17 @@ au_do_update(int idx, long sz)
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
}
- /* erase the address range */
- debug ("erase %lx %lx\n", start, end);
- sprintf(strbuf, "erase %lx %lx\n", start, end);
- parse_string_outer(strbuf,
- FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
-
+ /*
+ * erase the address range. Multiple erases seem to cause
+ * problems.
+ */
+ if (repeat == 0) {
+ debug ("erase %lx %lx\n", start, end);
+ sprintf(strbuf, "erase %lx %lx\n", start, end);
+ parse_string_outer(strbuf,
+ FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
+ }
+ wait_ms(100);
/* strip the header - except for the kernel */
if (idx == IDX_FIRMWARE || idx == IDX_DISK || idx == IDX_APP) {
addr = (char *)((char *)hdr + sizeof(*hdr));
@@ -361,16 +371,15 @@ au_do_update(int idx, long sz)
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
/* check the dcrc of the copy */
- if (crc32 (0, (char *)(start + off), ntohl(hdr->ih_size))
- != ntohl(hdr->ih_dcrc)) {
- printf ("Image %s Bad Data Checksum After COPY\n", aufile[idx]);
- return -1;
+ if (crc32 (0, (char *)(start + off), ntohl(hdr->ih_size)) != ntohl(hdr->ih_dcrc)) {
+ 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) {
- printf("protect on %lx %lx\n", start, end);
+ debug ("protect on %lx %lx\n", start, end);
sprintf(strbuf, "protect on %lx %lx\n", start, end);
parse_string_outer(strbuf,
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
@@ -413,8 +422,9 @@ do_auto_update(void)
{
block_dev_desc_t *stor_dev;
long sz;
- int i, res, bitmap_first, cnt;
+ int i, res, bitmap_first, cnt, old_ctrlc, got_ctrlc;
char *env;
+ long start, end;
#undef ERASE_EEPROM
#ifdef ERASE_EEPROM
@@ -442,8 +452,8 @@ do_auto_update(void)
return -1;
}
/* check whether it has a partition table */
- stor_dev = usb_stor_get_dev(au_usb_stor_curr_dev);
- if (stor_dev->type == DEV_TYPE_UNKNOWN) {
+ stor_dev = get_dev("usb", 0);
+ if (stor_dev == NULL) {
debug ("uknown device type\n");
return -1;
}
@@ -471,6 +481,49 @@ do_auto_update(void)
ausize[IDX_KERNEL] = (AU_FL_KERNEL_ND + 1) - AU_FL_KERNEL_ST;
ausize[IDX_APP] = (AU_FL_APP_ND + 1) - AU_FL_APP_ST;
ausize[IDX_DISK] = (AU_FL_DISK_ND + 1) - AU_FL_DISK_ST;
+ /*
+ * now check whether start and end are defined using environment
+ * variables.
+ */
+ start = 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 && end && end > start)
+ ausize[IDX_FIRMWARE] = (end + 1) - start;
+ start = 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 && end && end > start)
+ ausize[IDX_KERNEL] = (end + 1) - start;
+ start = end = 0;
+ env = getenv("app_st");
+ if (env != NULL)
+ start = simple_strtoul(env, NULL, 16);
+ env = getenv("app_nd");
+ if (env != NULL)
+ end = simple_strtoul(env, NULL, 16);
+ if (start && end && end > start)
+ ausize[IDX_APP] = (end + 1) - start;
+ start = end = 0;
+ env = getenv("disk_st");
+ if (env != NULL)
+ start = simple_strtoul(env, NULL, 16);
+ env = getenv("disk_nd");
+ if (env != NULL)
+ end = simple_strtoul(env, NULL, 16);
+ if (start && end && end > start)
+ ausize[IDX_DISK] = (end + 1) - start;
+ /* make sure that we see CTRL-C and save the old state */
+ old_ctrlc = disable_ctrlc(0);
+
bitmap_first = 0;
/* just loop thru all the possible files */
for (i = 0; i < AU_MAXFILES; i++) {
@@ -509,18 +562,33 @@ do_auto_update(void)
/* this is really not a good idea, but it's what the */
/* customer wants. */
cnt = 0;
+ got_ctrlc = 0;
do {
- res = au_do_update(i, sz);
-#ifdef AU_TEST_ONLY
+ res = au_do_update(i, sz, cnt);
+ /* let the user break out of the loop */
+ if (ctrlc() || had_ctrlc()) {
+ clear_ctrlc();
+ if (res < 0)
+ got_ctrlc = 1;
+ break;
+ }
cnt++;
+#ifdef AU_TEST_ONLY
} while (res < 0 && cnt < 3);
if (cnt < 3)
#else
} while (res < 0);
#endif
- au_update_eeprom(i);
+ /*
+ * it doesn't make sense to update the EEPROM if the
+ * update was interrupted by the user due to errors.
+ */
+ if (got_ctrlc == 0)
+ au_update_eeprom(i);
}
usb_stop();
+ /* restore the old state */
+ disable_ctrlc(old_ctrlc);
return 0;
}
#endif /* CONFIG_AUTO_UPDATE */
generated by cgit v1.1 at 2024-11-01 20:09:18 +0000