#include <asm/arch/regs-gpmi.h>
#include <asm/arch/regs-bch.h>
-#define FCB_START_BLOCK 0
-#define NUM_FCB_BLOCKS 1
-#define MAX_FCB_BLOCKS 32768
-
#if CONFIG_SYS_NAND_U_BOOT_OFFS < 0x20000
#error CONFIG_SYS_NAND_U_BOOT_OFFS must be >= 128kIB
#endif
fl0 = readl(&bch_base->hw_bch_flash0layout0);
fl1 = readl(&bch_base->hw_bch_flash0layout1);
t0 = readl(&gpmi_base->hw_gpmi_timing0);
-// t1 = readl(&gpmi_base->hw_gpmi_timing1);
metadata_size = BF_VAL(fl0, BCH_FLASHLAYOUT0_META_SIZE);
fcb = buf + ALIGN(metadata_size, 4);
fcb_offs = (void *)fcb - buf;
-#if 0
+
memset(buf, 0xff, fcb_offs);
memset(fcb, 0x00, sizeof(*fcb));
memset(fcb + 1, 0xff, mtd->erasesize - fcb_offs - sizeof(*fcb));
-#else
- memset(buf, 0, fcb_offs);
- memset(fcb, 0x00, sizeof(*fcb));
- memset(fcb + 1, 0, mtd->erasesize - fcb_offs - sizeof(*fcb));
-#endif
+
strncpy((char *)&fcb->fingerprint, "FCB ", 4);
fcb->version = cpu_to_be32(1);
-#if 1
+
fcb->disbb_search = 1;
fcb->disbbm = 1;
-#endif
- fcb->timing.data_setup = BF_VAL(t0, GPMI_TIMING0_DATA_SETUP);
- fcb->timing.data_hold = BF_VAL(t0, GPMI_TIMING0_DATA_HOLD);
- fcb->timing.address_setup = BF_VAL(t0, GPMI_TIMING0_ADDRESS_SETUP);
-#if 0
- fcb->timing.data_setup = 80;
- fcb->timing.data_hold = 60;
- fcb->timing.address_setup = 25;
- fcb->timing.dsample_time = 6;
-#endif
+
+ /* ROM code assumes GPMI clock of 25 MHz */
+ fcb->timing.data_setup = BF_VAL(t0, GPMI_TIMING0_DATA_SETUP) * 40;
+ fcb->timing.data_hold = BF_VAL(t0, GPMI_TIMING0_DATA_HOLD) * 40;
+ fcb->timing.address_setup = BF_VAL(t0, GPMI_TIMING0_ADDRESS_SETUP) * 40;
+
fcb->page_data_size = mtd->writesize;
fcb->total_page_size = mtd->writesize + mtd->oobsize;
fcb->sectors_per_block = mtd->erasesize / mtd->writesize;
u32 plugin;
};
+static size_t count_good_blocks(int start, int end)
+{
+ size_t max_len = (end - start + 1);
+ int block;
+
+ for (block = start; block <= end; block++) {
+ if (nand_block_isbad(mtd, block * mtd->erasesize))
+ max_len--;
+ }
+ return max_len;
+}
+
static int find_ivt(void *buf)
{
struct mx6_ivt *ivt_hdr = buf + 0x400;
printf("%s blocks %lu..%lu overlap %s in blocks %lu..%lu!\n", \
m1, a##_start_block, a##_end_block, \
m2, b##_start_block, b##_end_block); \
- /*return -EINVAL;*/ \
+ return -EINVAL; \
} \
} while (0)
+#ifdef CONFIG_ENV_IS_IN_NAND
#ifndef CONFIG_ENV_OFFSET_REDUND
#define TOTAL_ENV_SIZE CONFIG_ENV_RANGE
#else
#define TOTAL_ENV_SIZE (CONFIG_ENV_RANGE * 2)
#endif
+#endif
#define pr_fcb_offset(n) printf("%s: %04x (%d)\n", #n, \
offsetof(struct mx6_fcb, n), offsetof(struct mx6_fcb, n))
int do_update(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret;
- int block;
+ const unsigned long fcb_start_block = 0, fcb_end_block = 0;
int erase_size = mtd->erasesize;
int page_size = mtd->writesize;
void *buf;
size_t size = 0;
void *addr = NULL;
struct mx6_fcb *fcb;
- unsigned long fcb_start_block = FCB_START_BLOCK;
- unsigned long num_fcb_blocks = NUM_FCB_BLOCKS;
- unsigned long fcb_end_block;
unsigned long mtd_num_blocks = mtd->size / mtd->erasesize;
+#ifdef CONFIG_ENV_IS_IN_NAND
unsigned long env_start_block = CONFIG_ENV_OFFSET / mtd->erasesize;
unsigned long env_end_block = env_start_block +
DIV_ROUND_UP(TOTAL_ENV_SIZE, mtd->erasesize) - 1;
+#endif
int optind;
int fw1_set = 0;
int fw2_set = 0;
unsigned long fw_num_blocks;
unsigned long extra_blocks = 2;
nand_erase_options_t erase_opts = { 0, };
- int fcb_written = 0;
-
- load_addr = getenv("fileaddr");
- file_size = getenv("filesize");
-
- if (argc < 2 && load_addr == NULL) {
- printf("Load address not specified\n");
- return -EINVAL;
- }
- if (argc < 3 && file_size == NULL) {
- printf("Image size not specified\n");
- return -EINVAL;
- }
+ size_t max_len1, max_len2;
for (optind = 1; optind < argc; optind++) {
- if (strcmp(argv[optind], "-b") == 0) {
- if (optind >= argc - 1) {
- printf("Option %s requires an argument\n",
- argv[optind]);
- return -EINVAL;
- }
- optind++;
- fcb_start_block = simple_strtoul(argv[optind], NULL, 0);
- if (fcb_start_block >= mtd_num_blocks) {
- printf("Block number %lu is out of range: 0..%lu\n",
- fcb_start_block, mtd_num_blocks - 1);
- return -EINVAL;
- }
- } else if (strcmp(argv[optind], "-n") == 0) {
- if (optind >= argc - 1) {
- printf("Option %s requires an argument\n",
- argv[optind]);
- return -EINVAL;
- }
- optind++;
- num_fcb_blocks = simple_strtoul(argv[optind], NULL, 0);
- if (num_fcb_blocks == 0) {
- printf("Number of FCB blocks must be non-zero\n");
- return -EINVAL;
- } else if (num_fcb_blocks > MAX_FCB_BLOCKS) {
- printf("Extraneous number of FCB blocks; max. allowed: %u\n",
- MAX_FCB_BLOCKS);
- return -EINVAL;
- }
- } else if (strcmp(argv[optind], "-f") == 0) {
+ if (strcmp(argv[optind], "-f") == 0) {
if (optind >= argc - 1) {
printf("Option %s requires an argument\n",
argv[optind]);
}
}
+ load_addr = getenv("fileaddr");
+ file_size = getenv("filesize");
+
+ if (argc - optind < 1 && load_addr == NULL) {
+ printf("Load address not specified\n");
+ return -EINVAL;
+ }
+ if (argc - optind < 2 && file_size == NULL) {
+ printf("WARNING: Image size not specified; overwriting whole uboot partition\n");
+ }
if (argc > optind) {
load_addr = NULL;
addr = (void *)simple_strtoul(argv[optind], NULL, 16);
size = simple_strtoul(file_size, NULL, 16);
printf("Using default file size %08x\n", size);
}
- fcb_end_block = fcb_start_block + num_fcb_blocks - 1;
- fw_num_blocks = DIV_ROUND_UP(size, mtd->erasesize);
+ if (size > 0)
+ fw_num_blocks = DIV_ROUND_UP(size, mtd->erasesize);
+ else
+ fw_num_blocks = CONFIG_U_BOOT_IMG_SIZE / mtd->erasesize - extra_blocks;
if (!fw1_set) {
- fw1_start_block = fcb_end_block + CONFIG_SYS_NAND_U_BOOT_OFFS / mtd->erasesize;
+ fw1_start_block = CONFIG_SYS_NAND_U_BOOT_OFFS / mtd->erasesize;
fw1_end_block = fw1_start_block + fw_num_blocks + extra_blocks - 1;
- if (chk_overlap(fw1, env)) {
- fw1_start_block = env_end_block + 1;
- fw1_end_block = fw1_start_block + fw_num_blocks + extra_blocks - 1;
- }
} else {
fw1_end_block = fw1_start_block + fw_num_blocks + extra_blocks - 1;
}
if (fw2_set && fw2_start_block == 0) {
fw2_start_block = fw1_end_block + 1;
fw2_end_block = fw2_start_block + fw_num_blocks + extra_blocks - 1;
- if (chk_overlap(fw2, env)) {
- fw2_start_block = env_end_block + 1;
- fw2_end_block = fw2_start_block + fw_num_blocks + extra_blocks - 1;
- }
} else {
fw2_end_block = fw2_start_block + fw_num_blocks + extra_blocks - 1;
}
+#ifdef CONFIG_ENV_IS_IN_NAND
fail_if_overlap(fcb, env, "FCB", "Environment");
- fail_if_overlap(fcb, fw1, "FCB", "FW1");
fail_if_overlap(fw1, env, "FW1", "Environment");
+#endif
+ fail_if_overlap(fcb, fw1, "FCB", "FW1");
if (fw2_set) {
fail_if_overlap(fcb, fw2, "FCB", "FW2");
+#ifdef CONFIG_ENV_IS_IN_NAND
fail_if_overlap(fw2, env, "FW2", "Environment");
+#endif
fail_if_overlap(fw1, fw2, "FW1", "FW2");
}
return -ENOMEM;
}
- /* search for first non-bad block in FW1 block range */
- while (fw1_start_block <= fw1_end_block) {
- if (!nand_block_isbad(mtd, fw1_start_block * mtd->erasesize))
- break;
- fw1_start_block++;
- }
- if (fw1_end_block - fw1_start_block + 1 < fw_num_blocks) {
- printf("Too many bad blocks in FW1 block range: %lu..%lu\n",
+ /* search for bad blocks in FW1 block range */
+ max_len1 = count_good_blocks(fw1_start_block, fw1_end_block);
+ printf("%u good blocks in %lu..%lu\n",
+ max_len1, fw1_start_block, fw1_end_block);
+ if (fw_num_blocks > max_len1) {
+ printf("Too many bad blocks in FW1 block range: %lu..%lu; max blocks: %u\n",
fw1_end_block + 1 - fw_num_blocks - extra_blocks,
- fw1_end_block);
+ fw1_end_block, max_len1);
return -EINVAL;
}
- /* search for first non-bad block in FW2 block range */
- while (fw2_set && fw2_start_block <= fw2_end_block) {
- if (!nand_block_isbad(mtd, fw2_start_block * mtd->erasesize))
- break;
- fw2_start_block++;
- }
- if (fw2_end_block - fw2_start_block + 1 < fw_num_blocks) {
- printf("Too many bad blocks in FW2 area %08lx..%08lx\n",
+ /* search for bad blocks in FW2 block range */
+ max_len2 = count_good_blocks(fw2_start_block, fw2_end_block);
+ if (fw2_start_block > 0 && fw_num_blocks > max_len2) {
+ printf("Too many bad blocks in FW2 block range: %lu..%lu\n",
fw2_end_block + 1 - fw_num_blocks - extra_blocks,
fw2_end_block);
return -EINVAL;
}
fcb = create_fcb(buf, fw1_start_block, fw2_start_block,
- ALIGN(size, mtd->writesize));
+ ALIGN(fw_num_blocks * mtd->erasesize, mtd->writesize));
if (IS_ERR(fcb)) {
printf("Failed to initialize FCB: %ld\n", PTR_ERR(fcb));
return PTR_ERR(fcb);
}
encode_hamming_13_8(fcb, (void *)fcb + 512, 512);
- for (block = fcb_start_block; block <= fcb_end_block; block++) {
- if (nand_block_isbad(mtd, block * mtd->erasesize)) {
- if (block == fcb_start_block)
- fcb_start_block++;
- continue;
- }
- ret = write_fcb(buf, block);
- if (ret) {
- printf("Failed to write FCB to block %u\n", block);
- return ret;
- }
- fcb_written = 1;
+ ret = write_fcb(buf, fcb_start_block);
+ if (ret) {
+ printf("Failed to write FCB to block %lu\n", fcb_start_block);
+ return ret;
}
- if (!fcb_written) {
- printf("Could not write FCB to flash\n");
- return -EIO;
+ if (ret) {
}
- ret = patch_ivt(addr, size);
+ ret = patch_ivt(addr, size ?: fw_num_blocks * mtd->erasesize);
if (ret) {
return ret;
}
}
erase_opts.offset = fcb->fw1_start_page * page_size;
- erase_opts.length = ALIGN(size, erase_size) +
- extra_blocks * mtd->erasesize;
+ erase_opts.length = (fw1_end_block - fw1_start_block + 1) *
+ mtd->erasesize;
erase_opts.quiet = 1;
printf("Erasing flash @ %08llx..%08llx\n", erase_opts.offset,
printf("Failed to erase flash: %d\n", ret);
return ret;
}
+ if (size == 0)
+ max_len1 *= mtd->erasesize;
+ else
+ max_len1 = size;
+
printf("Programming flash @ %08x..%08x from %p\n",
fcb->fw1_start_page * page_size,
- fcb->fw1_start_page * page_size + size, addr);
+ fcb->fw1_start_page * page_size + max_len1 - 1, addr);
ret = nand_write_skip_bad(mtd, fcb->fw1_start_page * page_size,
- &size, addr, WITH_DROP_FFS);
+ &max_len1, addr, WITH_DROP_FFS);
if (ret) {
printf("Failed to program flash: %d\n", ret);
return ret;
printf("Programming redundant U-Boot image to block %lu\n",
fw2_start_block);
erase_opts.offset = fcb->fw2_start_page * page_size;
+ erase_opts.length = (fw2_end_block - fw2_start_block + 1) *
+ mtd->erasesize;
printf("Erasing flash @ %08llx..%08llx\n", erase_opts.offset,
erase_opts.offset + erase_opts.length - 1);
printf("Failed to erase flash: %d\n", ret);
return ret;
}
+ if (size == 0)
+ max_len2 *= mtd->erasesize;
+ else
+ max_len2 = size;
printf("Programming flash @ %08x..%08x from %p\n",
fcb->fw2_start_page * page_size,
- fcb->fw2_start_page * page_size + size, addr);
+ fcb->fw2_start_page * page_size + max_len2 - 1, addr);
ret = nand_write_skip_bad(mtd, fcb->fw2_start_page * page_size,
- &size, addr, WITH_DROP_FFS);
+ &max_len2, addr, WITH_DROP_FFS);
if (ret) {
printf("Failed to program flash: %d\n", ret);
return ret;
U_BOOT_CMD(romupdate, 11, 0, do_update,
"Creates an FCB data structure and writes an U-Boot image to flash\n",
- "[-b #] [-n #] [-f #] [-r [#]] [<address>] [<length>]\n"
- "\t-b #\tfirst FCB block number (default 0)\n"
- "\t-n #\ttotal number of FCB blocks (default 1)\n"
+ "[-f #] [-r [#]] [-e #] [<address>] [<length>]\n"
"\t-f #\twrite bootloader image at block #\n"
"\t-r\twrite redundant bootloader image at next free block after first image\n"
"\t-r #\twrite redundant bootloader image at block #\n"
- "\t-e #\tspecify number of redundant blocks per boot loader image\n"
+ "\t-e #\tspecify number of redundant blocks per boot loader image (default 2)\n"
"\t<address>\tRAM address of bootloader image (default: ${fileaddr}\n"
"\t<length>\tlength of bootloader image in RAM (default: ${filesize}"
);