#ifdef CONFIG_AUTO_UPDATE
-#ifndef CONFIG_USB_OHCI
+#ifndef CONFIG_USB_OHCI_NEW
#error "must define CONFIG_USB_OHCI"
#endif
#error "must define CFG_HUSH_PARSER"
#endif
-#if !(CONFIG_COMMANDS & CFG_CMD_FAT)
-#error "must define CFG_CMD_FAT"
+#if !defined(CONFIG_CMD_FAT)
+#error "must define CONFIG_CMD_FAT"
#endif
/*
* Check whether a USB memory stick is plugged in.
* If one is found:
- * 1) try to do an MSDOS ls
- * 2) if preinst.img is found and is not 0 length, load it into
- * memory and run it (how to check beforehand if it's a
- * valid HUSH command file?)
- * 3)
- * 4)
- * 5)
- * 6)
- * 7)
- * 8)
- * 9)
- * 10)
- * 11)
- * 12)
+ * 1) if prepare.img ist found load it into memory. If it is
+ * valid then run it.
+ * 2) if preinst.img is found load it into memory. If it is
+ * valid then run it. Update the EEPROM.
+ * 3) if firmw_01.img is found load it into memory. If it is valid,
+ * burn it into FLASH and update the EEPROM.
+ * 4) if kernl_01.img is found load it into memory. If it is valid,
+ * burn it into FLASH and update the EEPROM.
+ * 5) if app.img is found load it into memory. If it is valid,
+ * burn it into FLASH and update the EEPROM.
+ * 6) if disk.img is found load it into memory. If it is valid,
+ * burn it into FLASH and update the EEPROM.
+ * 7) if postinst.img is found load it into memory. If it is
+ * valid then run it. Update the EEPROM.
*/
#undef AU_DEBUG
/* possible names of files on the USB stick. */
#define AU_PREPARE "prepare.img"
#define AU_PREINST "preinst.img"
-#define AU_FIRMWARE "firmware.img"
-#define AU_KERNEL "kernel.img"
+#define AU_FIRMWARE "firmw_01.img"
+#define AU_KERNEL "kernl_01.img"
#define AU_APP "app.img"
#define AU_DISK "disk.img"
#define AU_POSTINST "postinst.img"
+struct flash_layout
+{
+ long start;
+ long end;
+};
+
/* layout of the FLASH. ST = start address, ND = end address. */
-#ifndef CONFIG_OLD_VERSION /* 16 MB Flash, 32 MB RAM */
+#ifndef CONFIG_FLASH_8MB /* 16 MB Flash, 32 MB RAM */
#define AU_FL_FIRMWARE_ST 0x00000000
#define AU_FL_FIRMWARE_ND 0x0009FFFF
#define AU_FL_VFD_ST 0x000A0000
#define AU_FL_APP_ND 0x005BFFFF
#define AU_FL_DISK_ST 0x005C0000
#define AU_FL_DISK_ND 0x00FFFFFF
-#else /* 8 MB Flash, 16 MB RAM */
+#else /* 8 MB Flash, 32 MB RAM */
#define AU_FL_FIRMWARE_ST 0x00000000
-#define AU_FL_FIRMWARE_ND 0x0003FFFF
-#define AU_FL_KERNEL_ST 0x00040000
-#define AU_FL_KERNEL_ND 0x0011FFFF
-#define AU_FL_APP_ST 0x00120000
-#define AU_FL_APP_ND 0x003FFFFF
-#define AU_FL_DISK_ST 0x00400000
+#define AU_FL_FIRMWARE_ND 0x0005FFFF
+#define AU_FL_KERNEL_ST 0x00060000
+#define AU_FL_KERNEL_ND 0x0013FFFF
+#define AU_FL_APP_ST 0x00140000
+#define AU_FL_APP_ND 0x0067FFFF
+#define AU_FL_DISK_ST 0x00680000
#define AU_FL_DISK_ND 0x007DFFFF
#define AU_FL_VFD_ST 0x007E0000
#define AU_FL_VFD_ND 0x007FFFFF
-#endif /* CONFIG_OLD_VERSION */
+#endif /* CONFIG_FLASH_8MB */
/* a structure with the offsets to values in the EEPROM */
struct eeprom_layout
{
- unsigned int time;
- unsigned int size;
- unsigned int dcrc;
+ int time;
+ int size;
+ int dcrc;
};
/* layout of the EEPROM - offset from the start. All entries are 32 bit. */
#define AU_EEPROM_DCRC_POSTINST 132
static int au_usb_stor_curr_dev; /* current device */
+
+/* index of each file in the following arrays */
+#define IDX_PREPARE 0
+#define IDX_PREINST 1
+#define IDX_FIRMWARE 2
+#define IDX_KERNEL 3
+#define IDX_APP 4
+#define IDX_DISK 5
+#define IDX_POSTINST 6
/* max. number of files which could interest us */
#define AU_MAXFILES 7
/* pointers to file names */
{AU_EEPROM_TIME_DISK, AU_EEPROM_SIZE_DISK, AU_EEPROM_DCRC_DISK,}, \
{AU_EEPROM_TIME_POSTINST, AU_EEPROM_SIZE_POSTINST, AU_EEPROM_DCRC_POSTINST,} \
};
-/* index of each file in the above array */
-#define IDX_PREPARE 0
-#define IDX_PREINST 1
-#define IDX_FIRMWARE 2
-#define IDX_KERNEL 3
-#define IDX_APP 4
-#define IDX_DISK 5
-#define IDX_POSTINST 6
+/* array of flash areas start and end addresses */
+struct flash_layout aufl_layout[AU_MAXFILES - 3] = { \
+ {AU_FL_FIRMWARE_ST, AU_FL_FIRMWARE_ND,}, \
+ {AU_FL_KERNEL_ST, AU_FL_KERNEL_ND,}, \
+ {AU_FL_APP_ST, AU_FL_APP_ND,}, \
+ {AU_FL_DISK_ST, AU_FL_DISK_ND,}, \
+};
+/* convert the index into aufile[] to an index into aufl_layout[] */
+#define FIDX_TO_LIDX(idx) ((idx) - 2)
+
/* where to load files into memory */
-#define LOAD_ADDR ((unsigned char *)0x0c100000)
-/* the disk is the largest image */
-#define MAX_LOADSZ ausize[IDX_DISK]
+#define LOAD_ADDR ((unsigned char *)0x0C100000)
+/* the app is the largest image */
+#define MAX_LOADSZ ausize[IDX_APP]
/* externals */
extern int fat_register_device(block_dev_desc_t *, int);
extern int trab_vfd (ulong);
extern int transfer_pic(unsigned char, unsigned char *, int, int);
#endif
-extern int i2c_write_multiple (uchar, uint, int, uchar *, int);
-extern int i2c_read_multiple (uchar, uint, int, uchar *, int);
+extern int flash_sect_erase(ulong, ulong);
+extern int flash_sect_protect (int, ulong, ulong);
+extern int flash_write (char *, ulong, ulong);
+/* 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 int u_boot_hush_start(void);
+
+int
+au_check_cksum_valid(int idx, long nbytes)
+{
+ image_header_t *hdr;
+ unsigned long checksum;
+
+ hdr = (image_header_t *)LOAD_ADDR;
+
+ if (nbytes != (sizeof(*hdr) + ntohl(hdr->ih_size)))
+ {
+ printf ("Image %s bad total SIZE\n", aufile[idx]);
+ return -1;
+ }
+ /* check the data CRC */
+ checksum = ntohl(hdr->ih_dcrc);
+ if (crc32 (0, (uchar *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
+ != checksum)
+ {
+ printf ("Image %s bad data checksum\n", aufile[idx]);
+ return -1;
+ }
+ return 0;
+}
int
-au_check_valid(int idx, long nbytes)
+au_check_header_valid(int idx, long nbytes)
{
image_header_t *hdr;
unsigned long checksum;
hdr = (image_header_t *)LOAD_ADDR;
/* check the easy ones first */
+#undef CHECK_VALID_DEBUG
#ifdef CHECK_VALID_DEBUG
printf("magic %#x %#x ", ntohl(hdr->ih_magic), IH_MAGIC);
printf("arch %#x %#x ", hdr->ih_arch, IH_CPU_ARM);
printf("size %#x %#lx ", ntohl(hdr->ih_size), 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;
+ if (nbytes < sizeof(*hdr))
+ {
+ printf ("Image %s bad header SIZE\n", aufile[idx]);
+ return -1;
+ }
+ if (ntohl(hdr->ih_magic) != IH_MAGIC || hdr->ih_arch != IH_CPU_ARM)
+ {
+ printf ("Image %s bad MAGIC or ARCH\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;
- }
- /* 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;
+ if (crc32 (0, (uchar *)hdr, sizeof(*hdr)) != checksum) {
+ printf ("Image %s bad header checksum\n", aufile[idx]);
+ return -1;
}
+ hdr->ih_hcrc = htonl(checksum);
/* 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;
+ if ((idx == IDX_DISK) && (hdr->ih_type != IH_TYPE_FILESYSTEM)) {
+ printf ("Image %s wrong type\n", aufile[idx]);
+ return -1;
+ }
+ if ((idx == IDX_APP) && (hdr->ih_type != IH_TYPE_RAMDISK)
+ && (hdr->ih_type != IH_TYPE_FILESYSTEM)) {
+ 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;
+ /* recycle checksum */
+ checksum = ntohl(hdr->ih_size);
+ /* for kernel and app the image header must also fit into flash */
+ if ((idx != IDX_DISK) && (idx != IDX_FIRMWARE))
+ checksum += sizeof(*hdr);
+ /* check the size does not exceed space in flash. HUSH scripts */
+ /* all have ausize[] set to 0 */
+ if ((ausize[idx] != 0) && (ausize[idx] < checksum)) {
+ 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;
#define POWER_OFF (1 << 1)
int
-au_do_update(int idx)
+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;
+
/* disable the power switch */
*CPLD_VFD_BK |= POWER_OFF;
+
/* execute a script */
if (hdr->ih_type == IH_TYPE_SCRIPT) {
- addr = (char *)((char *)hdr + sizeof(*hdr) + 8);
- parse_string_outer(addr,
- FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
+ addr = (char *)((char *)hdr + sizeof(*hdr));
+ /* stick a NULL at the end of the script, otherwise */
+ /* parse_string_outer() runs off the end. */
+ addr[ntohl(hdr->ih_size)] = 0;
+ addr += 8;
+ parse_string_outer(addr, FLAG_PARSE_SEMICOLON);
return 0;
}
+
+ start = aufl_layout[FIDX_TO_LIDX(idx)].start;
+ end = aufl_layout[FIDX_TO_LIDX(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);
+ wait_ms(100);
+ /* strip the header - except for the kernel and ramdisk */
+ if (hdr->ih_type == IH_TYPE_KERNEL || hdr->ih_type == IH_TYPE_RAMDISK) {
+ addr = (char *)hdr;
+ off = sizeof(*hdr);
+ nbytes = sizeof(*hdr) + ntohl(hdr->ih_size);
+ } else {
+ addr = (char *)((char *)hdr + sizeof(*hdr));
+#ifdef AU_UPDATE_TEST
+ /* copy it to where Linux goes */
+ if (idx == IDX_FIRMWARE)
+ start = aufl_layout[1].start;
+#endif
+ off = 0;
+ nbytes = ntohl(hdr->ih_size);
+ }
+
+ /* 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;
+ }
+
+ /* check the dcrc of the copy */
+ if (crc32 (0, (uchar *)(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)
+ flash_sect_protect(1, start, end);
return 0;
}
au_update_eeprom(int idx)
{
image_header_t *hdr;
+ int off;
+ uint32_t val;
+
+ /* special case for prepare.img */
+ if (idx == IDX_PREPARE) {
+ /* enable the power switch */
+ *CPLD_VFD_BK &= ~POWER_OFF;
+ return 0;
+ }
hdr = (image_header_t *)LOAD_ADDR;
+ /* write the time field into EEPROM */
+ off = auee_off[idx].time;
+ val = ntohl(hdr->ih_time);
+ i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
+ /* write the size field into EEPROM */
+ off = auee_off[idx].size;
+ val = ntohl(hdr->ih_size);
+ i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
+ /* write the dcrc field into EEPROM */
+ off = auee_off[idx].dcrc;
+ val = ntohl(hdr->ih_dcrc);
+ i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
/* enable the power switch */
*CPLD_VFD_BK &= ~POWER_OFF;
return 0;
{
block_dev_desc_t *stor_dev;
long sz;
- int i, res, bitmap_first;
+ int i, res = 0, bitmap_first, cnt, old_ctrlc, got_ctrlc;
char *env;
+ long start, end;
+#undef ERASE_EEPROM
#ifdef ERASE_EEPROM
int arr[18];
memset(arr, 0, sizeof(arr));
* 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(1);
+ au_usb_stor_curr_dev = usb_stor_scan(0);
if (au_usb_stor_curr_dev == -1) {
debug ("No device found. Not initialized?\n");
- return -1;
+ res = -1;
+ goto xit;
}
/* 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;
+ 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);
- return -1;
+ res = -1;
+ goto xit;
}
if (file_fat_detectfs() != 0) {
debug ("file_fat_detectfs failed\n");
}
+
/* initialize the array of file names */
memset(aufile, 0, sizeof(aufile));
aufile[IDX_PREPARE] = AU_PREPARE;
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 = -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[0].start = start;
+ aufl_layout[0].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[1].start = start;
+ aufl_layout[1].end = end;
+ }
+ start = -1;
+ 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 >= 0 && end && end > start) {
+ ausize[IDX_APP] = (end + 1) - start;
+ aufl_layout[2].start = start;
+ aufl_layout[2].end = end;
+ }
+ start = -1;
+ 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 >= 0 && end && end > start) {
+ ausize[IDX_DISK] = (end + 1) - start;
+ aufl_layout[3].start = start;
+ aufl_layout[3].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);
+
bitmap_first = 0;
/* just loop thru all the possible files */
for (i = 0; i < AU_MAXFILES; i++) {
+ /* just read the header */
+ sz = file_fat_read(aufile[i], LOAD_ADDR, sizeof(image_header_t));
+ debug ("read %s sz %ld hdr %d\n",
+ aufile[i], sz, sizeof(image_header_t));
+ if (sz <= 0 || sz < sizeof(image_header_t)) {
+ debug ("%s not found\n", aufile[i]);
+ continue;
+ }
+ if (au_check_header_valid(i, sz) < 0) {
+ debug ("%s header not valid\n", aufile[i]);
+ continue;
+ }
sz = file_fat_read(aufile[i], LOAD_ADDR, MAX_LOADSZ);
debug ("read %s sz %ld hdr %d\n",
aufile[i], sz, sizeof(image_header_t));
debug ("%s not found\n", aufile[i]);
continue;
}
- if (au_check_valid(i, sz) < 0) {
- debug ("%s not valid\n", aufile[i]);
+ if (au_check_cksum_valid(i, sz) < 0) {
+ debug ("%s checksum not valid\n", aufile[i]);
continue;
}
#ifdef CONFIG_VFD
#define VFD_LOGO_WIDTH 112
#define VFD_LOGO_HEIGHT 72
/* must call transfer_pic directly */
- transfer_pic(3, env, VFD_LOGO_HEIGHT, VFD_LOGO_WIDTH);
+ transfer_pic(3, (unsigned char *)env,
+ VFD_LOGO_HEIGHT, VFD_LOGO_WIDTH);
}
bitmap_first = 1;
}
#endif
/* 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);
+ res = au_do_update(i, sz);
+ /* 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);
- au_update_eeprom(i);
+#endif
+ /*
+ * 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);
+ else
+ /* enable the power switch */
+ *CPLD_VFD_BK &= ~POWER_OFF;
}
- return 0;
+ /* restore the old state */
+ disable_ctrlc(old_ctrlc);
+xit:
+ usb_stop();
+ return res;
}
#endif /* CONFIG_AUTO_UPDATE */