--- /dev/null
+#include <common.h>
+#include <malloc.h>
+#include <nand.h>
+#include <errno.h>
+
+#include <linux/err.h>
+
+#include <asm/io.h>
+#include <asm/sizes.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/imx-common/regs-gpmi.h>
+#include <asm/imx-common/regs-bch.h>
+
+#if CONFIG_SYS_NAND_U_BOOT_OFFS < 0x20000
+#error CONFIG_SYS_NAND_U_BOOT_OFFS must be >= 128kIB
+#endif
+
+struct mx6_nand_timing {
+ u8 data_setup;
+ u8 data_hold;
+ u8 address_setup;
+ u8 dsample_time;
+ u8 nand_timing_state;
+ u8 tREA;
+ u8 tRLOH;
+ u8 tRHOH;
+};
+
+struct mx6_fcb {
+ u32 checksum;
+ u32 fingerprint;
+ u32 version;
+ struct mx6_nand_timing timing;
+ u32 page_data_size;
+ u32 total_page_size;
+ u32 sectors_per_block;
+ u32 number_of_nands; /* not used by ROM code */
+ u32 total_internal_die; /* not used by ROM code */
+ u32 cell_type; /* not used by ROM code */
+ u32 ecc_blockn_type;
+ u32 ecc_block0_size;
+ u32 ecc_blockn_size;
+ u32 ecc_block0_type;
+ u32 metadata_size;
+ u32 ecc_blocks_per_page;
+ u32 rsrvd1[6]; /* not used by ROM code */
+ u32 bch_mode; /* erase_threshold */
+ u32 rsrvd2[2];
+ u32 fw1_start_page;
+ u32 fw2_start_page;
+ u32 fw1_sectors;
+ u32 fw2_sectors;
+ u32 dbbt_search_area;
+ u32 bb_mark_byte;
+ u32 bb_mark_startbit;
+ u32 bb_mark_phys_offset;
+ u32 bch_type;
+ u32 rsrvd3[8]; /* Toggle NAND timing parameters */
+ u32 disbbm;
+ u32 bb_mark_spare_offset;
+ u32 rsrvd4[9]; /* ONFI NAND parameters */
+ u32 disbb_search;
+};
+
+struct mx6_dbbt_header {
+ u32 checksum;
+ u32 fingerprint;
+ u32 version;
+ u32 number_bb;
+ u32 number_pages;
+ u8 spare[492];
+};
+
+struct mx6_dbbt {
+ u32 nand_number;
+ u32 number_bb;
+ u32 bb_num[2040 / 4];
+};
+
+#define BF_VAL(v, bf) (((v) & bf##_MASK) >> bf##_OFFSET)
+
+static nand_info_t *mtd = &nand_info[0];
+
+extern void *_start;
+
+#define BIT(v,n) (((v) >> (n)) & 0x1)
+
+static inline void memdump(const void *addr, size_t len)
+{
+ const char *buf = addr;
+ int i;
+
+ for (i = 0; i < len; i++) {
+ if (i % 16 == 0) {
+ if (i > 0)
+ printf("\n");
+ printf("%p:", &buf[i]);
+ }
+ printf(" %02x", buf[i]);
+ }
+ printf("\n");
+}
+
+static u8 calculate_parity_13_8(u8 d)
+{
+ u8 p = 0;
+
+ p |= (BIT(d, 6) ^ BIT(d, 5) ^ BIT(d, 3) ^ BIT(d, 2)) << 0;
+ p |= (BIT(d, 7) ^ BIT(d, 5) ^ BIT(d, 4) ^ BIT(d, 2) ^ BIT(d, 1)) << 1;
+ p |= (BIT(d, 7) ^ BIT(d, 6) ^ BIT(d, 5) ^ BIT(d, 1) ^ BIT(d, 0)) << 2;
+ p |= (BIT(d, 7) ^ BIT(d, 4) ^ BIT(d, 3) ^ BIT(d, 0)) << 3;
+ p |= (BIT(d, 6) ^ BIT(d, 4) ^ BIT(d, 3) ^ BIT(d, 2) ^ BIT(d, 1) ^ BIT(d, 0)) << 4;
+ return p;
+}
+
+static void encode_hamming_13_8(void *_src, void *_ecc, size_t size)
+{
+ int i;
+ u8 *src = _src;
+ u8 *ecc = _ecc;
+
+ for (i = 0; i < size; i++)
+ ecc[i] = calculate_parity_13_8(src[i]);
+}
+
+static u32 calc_chksum(void *buf, size_t size)
+{
+ u32 chksum = 0;
+ u8 *bp = buf;
+ size_t i;
+
+ for (i = 0; i < size; i++) {
+ chksum += bp[i];
+ }
+ return ~chksum;
+}
+
+/*
+ Physical organisation of data in NAND flash:
+ metadata
+ payload chunk 0 (may be empty)
+ ecc for metadata + payload chunk 0
+ payload chunk 1
+ ecc for payload chunk 1
+...
+ payload chunk n
+ ecc for payload chunk n
+ */
+
+static int calc_bb_offset(nand_info_t *mtd, struct mx6_fcb *fcb)
+{
+ int bb_mark_offset;
+ int chunk_data_size = fcb->ecc_blockn_size * 8;
+ int chunk_ecc_size = (fcb->ecc_blockn_type << 1) * 13;
+ int chunk_total_size = chunk_data_size + chunk_ecc_size;
+ int bb_mark_chunk, bb_mark_chunk_offs;
+
+ bb_mark_offset = (mtd->writesize - fcb->metadata_size) * 8;
+ if (fcb->ecc_block0_size == 0)
+ bb_mark_offset -= (fcb->ecc_block0_type << 1) * 13;
+
+ bb_mark_chunk = bb_mark_offset / chunk_total_size;
+ bb_mark_chunk_offs = bb_mark_offset - (bb_mark_chunk * chunk_total_size);
+ if (bb_mark_chunk_offs > chunk_data_size) {
+ printf("Unsupported ECC layout; BB mark resides in ECC data: %u\n",
+ bb_mark_chunk_offs);
+ return -EINVAL;
+ }
+ bb_mark_offset -= bb_mark_chunk * chunk_ecc_size;
+ return bb_mark_offset;
+}
+
+#define pr_fcb_val(p, n) debug("%s=%08x(%d)\n", #n, (p)->n, (p)->n)
+
+static struct mx6_fcb *create_fcb(void *buf, int fw1_start_block,
+ int fw2_start_block, size_t fw_size)
+{
+ struct gpmi_regs *gpmi_base = (void *)GPMI_BASE_ADDRESS;
+ struct bch_regs *bch_base = (void *)BCH_BASE_ADDRESS;
+ u32 fl0, fl1;
+ u32 t0;
+ int metadata_size;
+ int bb_mark_bit_offs;
+ struct mx6_fcb *fcb;
+ int fcb_offs;
+
+ if (gpmi_base == NULL || bch_base == NULL) {
+ return ERR_PTR(-ENOMEM);
+ }
+
+ fl0 = readl(&bch_base->hw_bch_flash0layout0);
+ fl1 = readl(&bch_base->hw_bch_flash0layout1);
+ t0 = readl(&gpmi_base->hw_gpmi_timing0);
+
+ metadata_size = BF_VAL(fl0, BCH_FLASHLAYOUT0_META_SIZE);
+
+ fcb = buf + ALIGN(metadata_size, 4);
+ fcb_offs = (void *)fcb - buf;
+
+ memset(buf, 0xff, fcb_offs);
+ memset(fcb, 0x00, sizeof(*fcb));
+ memset(fcb + 1, 0xff, mtd->erasesize - fcb_offs - sizeof(*fcb));
+
+ strncpy((char *)&fcb->fingerprint, "FCB ", 4);
+ fcb->version = cpu_to_be32(1);
+
+ fcb->disbb_search = 1;
+ fcb->disbbm = 1;
+
+ /* 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;
+
+ fcb->ecc_block0_type = BF_VAL(fl0, BCH_FLASHLAYOUT0_ECC0);
+ fcb->ecc_block0_size = BF_VAL(fl0, BCH_FLASHLAYOUT0_DATA0_SIZE) * 4;
+ fcb->ecc_blockn_type = BF_VAL(fl1, BCH_FLASHLAYOUT1_ECCN);
+ fcb->ecc_blockn_size = BF_VAL(fl1, BCH_FLASHLAYOUT1_DATAN_SIZE) * 4;
+
+ pr_fcb_val(fcb, ecc_block0_type);
+ pr_fcb_val(fcb, ecc_blockn_type);
+ pr_fcb_val(fcb, ecc_block0_size);
+ pr_fcb_val(fcb, ecc_blockn_size);
+
+ fcb->metadata_size = BF_VAL(fl0, BCH_FLASHLAYOUT0_META_SIZE);
+ fcb->ecc_blocks_per_page = BF_VAL(fl0, BCH_FLASHLAYOUT0_NBLOCKS);
+ fcb->bch_mode = readl(&bch_base->hw_bch_mode);
+ fcb->bch_type = 0; /* BCH20 */
+
+ fcb->fw1_start_page = fw1_start_block * mtd->erasesize / mtd->writesize;
+ fcb->fw1_sectors = DIV_ROUND_UP(fw_size, mtd->writesize);
+
+ if (fw2_start_block != 0 && fw2_start_block < mtd->size / mtd->erasesize) {
+ fcb->fw2_start_page = fw2_start_block * mtd->erasesize / mtd->writesize;
+ fcb->fw2_sectors = fcb->fw1_sectors;
+ }
+
+ fcb->dbbt_search_area = 1;
+
+ bb_mark_bit_offs = calc_bb_offset(mtd, fcb);
+ if (bb_mark_bit_offs < 0)
+ return ERR_PTR(bb_mark_bit_offs);
+ fcb->bb_mark_byte = bb_mark_bit_offs / 8;
+ fcb->bb_mark_startbit = bb_mark_bit_offs % 8;
+ fcb->bb_mark_phys_offset = mtd->writesize;
+
+ pr_fcb_val(fcb, bb_mark_byte);
+ pr_fcb_val(fcb, bb_mark_startbit);
+ pr_fcb_val(fcb, bb_mark_phys_offset);
+
+ fcb->checksum = calc_chksum(&fcb->fingerprint, 512 - 4);
+ return fcb;
+}
+
+static int find_fcb(void *ref, int page)
+{
+ int ret = 0;
+ struct nand_chip *chip = mtd->priv;
+ void *buf = malloc(mtd->erasesize);
+
+ if (buf == NULL) {
+ return -ENOMEM;
+ }
+ chip->select_chip(mtd, 0);
+ chip->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page);
+ ret = chip->ecc.read_page_raw(mtd, chip, buf, 1, page);
+ if (ret) {
+ printf("Failed to read FCB from page %u: %d\n", page, ret);
+ return ret;
+ }
+ chip->select_chip(mtd, -1);
+ if (memcmp(buf, ref, mtd->writesize) == 0) {
+ debug("Found FCB in page %u (%08x)\n",
+ page, page * mtd->writesize);
+ ret = 1;
+ }
+ free(buf);
+ return ret;
+}
+
+static int write_fcb(void *buf, int block)
+{
+ int ret;
+ struct nand_chip *chip = mtd->priv;
+ int page = block * mtd->erasesize / mtd->writesize;
+
+ ret = find_fcb(buf, page);
+ if (ret > 0) {
+ printf("FCB at block %d is up to date\n", block);
+ return 0;
+ }
+
+ ret = nand_erase(mtd, block * mtd->erasesize, mtd->erasesize);
+ if (ret) {
+ printf("Failed to erase FCB block %u\n", block);
+ return ret;
+ }
+
+ printf("Writing FCB to block %d @ %08x\n", block,
+ block * mtd->erasesize);
+ chip->select_chip(mtd, 0);
+ ret = chip->write_page(mtd, chip, buf, 1, page, 0, 1);
+ if (ret) {
+ printf("Failed to write FCB to block %u: %d\n", block, ret);
+ }
+ chip->select_chip(mtd, -1);
+ return ret;
+}
+
+struct mx6_ivt {
+ u32 magic;
+ u32 entry;
+ u32 rsrvd1;
+ void *dcd;
+ void *boot_data;
+ void *self;
+ void *csf;
+ u32 rsrvd2;
+};
+
+struct mx6_boot_data {
+ u32 start;
+ u32 length;
+ 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;
+
+ if ((ivt_hdr->magic & 0xff0000ff) != 0x400000d1)
+ return 0;
+
+ return 1;
+}
+
+static inline void *reloc(void *dst, void *base, void *ptr)
+{
+ return dst + (ptr - base);
+}
+
+static int patch_ivt(void *buf, size_t fsize)
+{
+ struct mx6_ivt *ivt_hdr = buf + 0x400;
+ struct mx6_boot_data *boot_data;
+
+ if (!find_ivt(buf)) {
+ printf("No IVT found in image at %p\n", buf);
+ return -EINVAL;
+ }
+ boot_data = reloc(ivt_hdr, ivt_hdr->self, ivt_hdr->boot_data);
+ boot_data->length = fsize;
+
+ return 0;
+}
+
+#define chk_overlap(a,b) \
+ ((a##_start_block <= b##_end_block && \
+ a##_end_block >= b##_start_block) || \
+ (b##_start_block <= a##_end_block && \
+ b##_end_block >= a##_start_block))
+
+#define fail_if_overlap(a,b,m1,m2) do { \
+ if (chk_overlap(a, b)) { \
+ 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; \
+ } \
+} 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;
+ const unsigned long fcb_start_block = 0, fcb_end_block = 0;
+ int erase_size = mtd->erasesize;
+ int page_size = mtd->writesize;
+ void *buf;
+ char *load_addr;
+ char *file_size;
+ size_t size = 0;
+ void *addr = NULL;
+ struct mx6_fcb *fcb;
+ 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 fw1_start_block = 0, fw1_end_block;
+ unsigned long fw2_start_block = 0, fw2_end_block;
+ unsigned long fw_num_blocks;
+ unsigned long extra_blocks = 2;
+ nand_erase_options_t erase_opts = { 0, };
+ size_t max_len1, max_len2;
+ size_t actual;
+
+ for (optind = 1; optind < argc; optind++) {
+ if (strcmp(argv[optind], "-f") == 0) {
+ if (optind >= argc - 1) {
+ printf("Option %s requires an argument\n",
+ argv[optind]);
+ return -EINVAL;
+ }
+ optind++;
+ fw1_start_block = simple_strtoul(argv[optind], NULL, 0);
+ if (fw1_start_block >= mtd_num_blocks) {
+ printf("Block number %lu is out of range: 0..%lu\n",
+ fw1_start_block, mtd_num_blocks - 1);
+ return -EINVAL;
+ }
+ fw1_set = 1;
+ } else if (strcmp(argv[optind], "-r") == 0) {
+ if (optind < argc - 1 && argv[optind + 1][0] != '-') {
+ optind++;
+ fw2_start_block = simple_strtoul(argv[optind],
+ NULL, 0);
+ if (fw2_start_block >= mtd_num_blocks) {
+ printf("Block number %lu is out of range: 0..%lu\n",
+ fw2_start_block,
+ mtd_num_blocks - 1);
+ return -EINVAL;
+ }
+ }
+ fw2_set = 1;
+ } else if (strcmp(argv[optind], "-e") == 0) {
+ if (optind >= argc - 1) {
+ printf("Option %s requires an argument\n",
+ argv[optind]);
+ return -EINVAL;
+ }
+ optind++;
+ extra_blocks = simple_strtoul(argv[optind], NULL, 0);
+ if (extra_blocks >= mtd_num_blocks) {
+ printf("Extra block count %lu is out of range: 0..%lu\n",
+ extra_blocks,
+ mtd_num_blocks - 1);
+ return -EINVAL;
+ }
+ } else if (argv[optind][0] == '-') {
+ printf("Unrecognized option %s\n", argv[optind]);
+ return -EINVAL;
+ } else {
+ break;
+ }
+ }
+
+ 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);
+ optind++;
+ }
+ if (argc > optind) {
+ file_size = NULL;
+ size = simple_strtoul(argv[optind], NULL, 16);
+ optind++;
+ }
+ if (load_addr != NULL) {
+ addr = (void *)simple_strtoul(load_addr, NULL, 16);
+ printf("Using default load address %p\n", addr);
+ }
+ if (file_size != NULL) {
+ size = simple_strtoul(file_size, NULL, 16);
+ printf("Using default file size %08x\n", size);
+ }
+ 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 = CONFIG_SYS_NAND_U_BOOT_OFFS / mtd->erasesize;
+ 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;
+ } 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(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");
+ }
+
+ buf = malloc(erase_size);
+ if (buf == NULL) {
+ printf("Failed to allocate buffer\n");
+ return -ENOMEM;
+ }
+
+ /* 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, max_len1);
+ return -EINVAL;
+ }
+
+ /* 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(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);
+
+ ret = write_fcb(buf, fcb_start_block);
+ if (ret) {
+ printf("Failed to write FCB to block %lu\n", fcb_start_block);
+ return ret;
+ }
+
+ ret = patch_ivt(addr, size ?: fw_num_blocks * mtd->erasesize);
+ if (ret) {
+ return ret;
+ }
+
+ printf("Programming U-Boot image from %p to block %lu\n",
+ addr, fw1_start_block);
+ if (size & (page_size - 1)) {
+ memset(addr + size, 0xff, size & (page_size - 1));
+ size = ALIGN(size, page_size);
+ }
+
+ erase_opts.offset = fcb->fw1_start_page * page_size;
+ 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,
+ erase_opts.offset + erase_opts.length - 1);
+
+ ret = nand_erase_opts(mtd, &erase_opts);
+ if (ret) {
+ 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 + max_len1 - 1, addr);
+ ret = nand_write_skip_bad(mtd, fcb->fw1_start_page * page_size,
+ &max_len1, &actual, erase_opts.length, addr,
+ WITH_DROP_FFS);
+ if (ret || actual < size) {
+ printf("Failed to program flash: %d\n", ret);
+ return ret ?: -EIO;
+ }
+ if (fw2_start_block == 0) {
+ 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);
+
+ ret = nand_erase_opts(mtd, &erase_opts);
+ if (ret) {
+ 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 + max_len2 - 1, addr);
+ ret = nand_write_skip_bad(mtd, fcb->fw2_start_page * page_size,
+ &max_len2, &actual, erase_opts.length, addr,
+ WITH_DROP_FFS);
+ if (ret || actual < size) {
+ printf("Failed to program flash: %d\n", ret);
+ return ret ?: -EIO;
+ }
+ return ret;
+}
+
+U_BOOT_CMD(romupdate, 11, 0, do_update,
+ "Creates an FCB data structure and writes an U-Boot image to flash\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 (default 2)\n"
+ "\t<address>\tRAM address of bootloader image (default: ${fileaddr}\n"
+ "\t<length>\tlength of bootloader image in RAM (default: ${filesize}"
+ );
projects / karo-tx-uboot.git / blobdiff