/*
- * Copyright (C) 2012,2013 Lothar Waßmann <LW@KARO-electronics.de>
+ * Copyright (C) 2012-2015 Lothar Waßmann <LW@KARO-electronics.de>
*
* See file CREDITS for list of people who contributed to this
* project.
#include <jffs2/load_kernel.h>
#include <asm/io.h>
-#include <asm/sizes.h>
+#include <linux/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;
u32 bb_num[2040 / 4];
};
+struct mx6_ivt {
+ u32 magic;
+ u32 app_start_addr;
+ u32 rsrvd1;
+ void *dcd;
+ void *boot_data;
+ void *self;
+ void *csf;
+ u32 rsrvd2;
+};
+
+struct mx6_boot_data {
+ void *start;
+ u32 length;
+ u32 plugin;
+};
+
#define BF_VAL(v, bf) (((v) & bf##_MASK) >> bf##_OFFSET)
static nand_info_t *mtd = &nand_info[0];
-
-extern void *_start;
+static bool doit;
#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;
return bb_mark_offset;
}
+/*
+ * return number of blocks to skip for a contiguous partition
+ * of given # blocks
+ */
static int find_contig_space(int block, int num_blocks, int max_blocks)
{
- int start = block;
+ int skip = 0;
int found = 0;
+ int last = block + max_blocks;
- for (; block < block + max_blocks; block++) {
+ debug("Searching %u contiguous blocks from %d..%d\n",
+ num_blocks, block, block + max_blocks - 1);
+ for (; block < last; block++) {
if (nand_block_isbad(mtd, block * mtd->erasesize)) {
+ skip += found + 1;
found = 0;
- printf("Adjusting start block from %u to %u\n",
- start, block + 1);
- start = block + 1;
+ debug("Skipping %u blocks to %u\n",
+ skip, block + 1);
} else {
found++;
- if (found >= num_blocks)
- return start;
+ if (found >= num_blocks) {
+ debug("Found %u good blocks from %d..%d\n",
+ found, block - found + 1, block);
+ return skip;
+ }
}
}
return -ENOSPC;
}
-#define pr_fcb_val(p, n) debug("%s=%08x(%d)\n", #n, (p)->n, (p)->n)
+#define offset_of(p, m) ((void *)&(p)->m - (void *)(p))
+#define pr_fcb_val(p, n) debug("%-24s[%02x]=%08x(%d)\n", #n, offset_of(p, n), (p)->n, (p)->n)
static struct mx6_fcb *create_fcb(void *buf, int fw1_start_block,
- int fw2_start_block, int fw_num_blocks,
- int max_blocks)
+ int fw2_start_block, int fw_num_blocks)
{
struct gpmi_regs *gpmi_base = (void *)GPMI_BASE_ADDRESS;
struct bch_regs *bch_base = (void *)BCH_BASE_ADDRESS;
pr_fcb_val(fcb, fw1_start_page);
pr_fcb_val(fcb, fw1_sectors);
- if (fw2_start_block != 0 && fw2_start_block < mtd->size / mtd->erasesize) {
+ if (fw2_start_block != 0 &&
+ fw2_start_block < lldiv(mtd->size, mtd->erasesize)) {
fcb->fw2_start_page = fw2_start_block * fcb->sectors_per_block;
- fcb->fw2_sectors = fw_num_blocks * fcb->sectors_per_block;
+ fcb->fw2_sectors = fcb->fw1_sectors;
pr_fcb_val(fcb, fw2_start_page);
pr_fcb_val(fcb, fw2_sectors);
}
printf("Failed to read FCB from page %u: %d\n", page, ret);
goto out;
}
- 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;
}
out:
+ chip->select_chip(mtd, -1);
free(buf);
return ret;
}
return 0;
}
- ret = nand_erase(mtd, block * mtd->erasesize, mtd->erasesize);
- if (ret) {
- printf("Failed to erase FCB block %u\n", block);
- return ret;
+ if (doit) {
+ 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);
+ printf("Writing FCB to block %d @ %08llx\n", block,
+ (u64)block * mtd->erasesize);
+ if (doit) {
+ chip->select_chip(mtd, 0);
+ ret = chip->write_page(mtd, chip, 0, mtd->writesize,
+ buf, 1, page, 0, 1);
+ if (ret) {
+ printf("Failed to write FCB to block %u: %d\n", block, ret);
+ }
+ chip->select_chip(mtd, -1);
}
- 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 int find_ivt(void *buf)
-{
- struct mx6_ivt *ivt_hdr = buf + 0x400;
-
- if ((ivt_hdr->magic & 0xff0000ff) != 0x400000d1)
- 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))
- return 1;
-}
+#define fail_if_overlap(a,b,m1,m2) do { \
+ if (!doit) \
+ printf("check: %s[%lu..%lu] <> %s[%lu..%lu]\n", \
+ m1, a##_start_block, a##_end_block, \
+ m2, b##_start_block, b##_end_block); \
+ if (a##_end_block < a##_start_block) \
+ printf("Invalid start/end block # for %s\n", m1); \
+ if (b##_end_block < b##_start_block) \
+ printf("Invalid start/end block # for %s\n", m2); \
+ 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)
-static inline void *reloc(void *dst, void *base, void *ptr)
+static int tx6_prog_uboot(void *addr, int start_block, int skip,
+ size_t size, size_t max_len)
{
- return dst + (ptr - base);
-}
+ int ret;
+ nand_erase_options_t erase_opts = { 0, };
+ size_t actual;
+ size_t prg_length = max_len - skip * mtd->erasesize;
+ int prg_start = (start_block + skip) * mtd->erasesize;
-static int patch_ivt(void *buf, size_t fsize)
-{
- struct mx6_ivt *ivt_hdr = buf + 0x400;
- struct mx6_boot_data *boot_data;
+ erase_opts.offset = start_block * mtd->erasesize;
+ erase_opts.length = max_len;
+ erase_opts.quiet = 1;
- if (!find_ivt(buf)) {
- printf("No IVT found in image at %p\n", buf);
- return -EINVAL;
+ printf("Erasing flash @ %08llx..%08llx\n", erase_opts.offset,
+ erase_opts.offset + erase_opts.length - 1);
+ if (doit) {
+ ret = nand_erase_opts(mtd, &erase_opts);
+ if (ret) {
+ printf("Failed to erase flash: %d\n", ret);
+ return ret;
+ }
}
- boot_data = reloc(ivt_hdr, ivt_hdr->self, ivt_hdr->boot_data);
- boot_data->length = fsize;
+ printf("Programming flash @ %08x..%08x from %p\n",
+ prg_start, prg_start + size - 1, addr);
+ if (doit) {
+ actual = size;
+ ret = nand_write_skip_bad(mtd, prg_start, &actual, NULL,
+ prg_length, addr, WITH_DROP_FFS);
+ if (ret) {
+ printf("Failed to program flash: %d\n", ret);
+ return ret;
+ }
+ if (actual < size) {
+ printf("Could only write %u of %u bytes\n", actual, size);
+ return -EIO;
+ }
+ }
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
#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;
+ unsigned long mtd_num_blocks = lldiv(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;
+ int fw1_skip, fw2_skip;
+ unsigned long extra_blocks = 0;
+ u64 max_len1, max_len2;
struct mtd_device *dev;
struct part_info *part_info;
+ struct part_info *redund_part_info;
+ const char *uboot_part = "u-boot";
+ const char *redund_part = NULL;
u8 part_num;
- size_t actual;
+ u8 redund_part_num;
ret = mtdparts_init();
if (ret)
return ret;
- ret = find_dev_and_part("u-boot", &dev, &part_num,
- &part_info);
- if (ret) {
- printf("Failed to find u-boot partition: %d\n", ret);
- return ret;
- }
-
+ doit = true;
for (optind = 1; optind < argc; optind++) {
+ char *endp;
+
if (strcmp(argv[optind], "-f") == 0) {
if (optind >= argc - 1) {
printf("Option %s requires an argument\n",
return -EINVAL;
}
optind++;
- fw1_start_block = simple_strtoul(argv[optind], NULL, 0);
+ fw1_start_block = simple_strtoul(argv[optind], &endp, 0);
+ if (*endp != '\0') {
+ uboot_part = argv[optind];
+ continue;
+ }
+ uboot_part = NULL;
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) {
+ fw2_set = 1;
if (optind < argc - 1 && argv[optind + 1][0] != '-') {
optind++;
fw2_start_block = simple_strtoul(argv[optind],
- NULL, 0);
+ &endp, 0);
+ if (*endp != '\0') {
+ redund_part = argv[optind];
+ continue;
+ }
if (fw2_start_block >= mtd_num_blocks) {
printf("Block number %lu is out of range: 0..%lu\n",
fw2_start_block,
return -EINVAL;
}
}
- fw2_set = 1;
} else if (strcmp(argv[optind], "-e") == 0) {
if (optind >= argc - 1) {
printf("Option %s requires an argument\n",
mtd_num_blocks - 1);
return -EINVAL;
}
+ } else if (strcmp(argv[optind], "-n") == 0) {
+ doit = false;
} else if (argv[optind][0] == '-') {
printf("Unrecognized option %s\n", argv[optind]);
return -EINVAL;
return -EINVAL;
}
if (argc - optind < 2 && file_size == NULL) {
- printf("WARNING: Image size not specified; overwriting whole uboot partition\n");
+ if (uboot_part) {
+ printf("WARNING: Image size not specified; overwriting whole '%s' partition\n",
+ uboot_part);
+ printf("This will only work, if there are no bad blocks inside this partition!\n");
+ } else {
+ printf("ERROR: Image size must be specified\n");
+ return -EINVAL;
+ }
}
if (argc > optind) {
load_addr = NULL;
size = simple_strtoul(file_size, NULL, 16);
printf("Using default file size %08x\n", size);
}
- if (size > 0) {
+ if (size > 0)
fw_num_blocks = DIV_ROUND_UP(size, mtd->erasesize);
+ else
+ fw_num_blocks = 0;
+
+ if (uboot_part) {
+ ret = find_dev_and_part(uboot_part, &dev, &part_num,
+ &part_info);
+ if (ret) {
+ printf("Failed to find '%s' partition: %d\n",
+ uboot_part, ret);
+ return ret;
+ }
+ fw1_start_block = lldiv(part_info->offset, mtd->erasesize);
+ max_len1 = part_info->size;
+ if (size == 0)
+ fw_num_blocks = lldiv(max_len1, mtd->erasesize);
+ } else {
+ max_len1 = (u64)(fw_num_blocks + extra_blocks) * mtd->erasesize;
+ }
+
+ if (redund_part) {
+ ret = find_dev_and_part(redund_part, &dev, &redund_part_num,
+ &redund_part_info);
+ if (ret) {
+ printf("Failed to find '%s' partition: %d\n",
+ redund_part, ret);
+ return ret;
+ }
+ fw2_start_block = lldiv(redund_part_info->offset, mtd->erasesize);
+ max_len2 = redund_part_info->size;
+ if (fw2_start_block == fcb_start_block) {
+ fw2_start_block++;
+ max_len2 -= mtd->erasesize;
+ }
+ if (size == 0)
+ fw_num_blocks = lldiv(max_len2, mtd->erasesize);
+ } else if (fw2_set) {
+ max_len2 = (u64)(fw_num_blocks + extra_blocks) * mtd->erasesize;
} else {
- fw_num_blocks = part_info->size / mtd->erasesize - extra_blocks;
- size = fw_num_blocks * mtd->erasesize;
+ max_len2 = 0;
}
- if (!fw1_set)
- fw1_start_block = part_info->offset / mtd->erasesize;
-
- fw1_start_block = find_contig_space(fw1_start_block,
- fw_num_blocks,
- size / mtd->erasesize);
- if (fw1_start_block < 0) {
- printf("Could not find %lu contiguous good blocks for fw image\n",
- fw_num_blocks);
+
+ fw1_skip = find_contig_space(fw1_start_block, fw_num_blocks,
+ lldiv(max_len1, mtd->erasesize));
+ if (fw1_skip < 0) {
+ printf("Could not find %lu contiguous good blocks for fw image in blocks %lu..%llu\n",
+ fw_num_blocks, fw1_start_block,
+ fw1_start_block + lldiv(max_len1, mtd->erasesize) - 1);
+ if (uboot_part) {
+#ifdef CONFIG_ENV_IS_IN_NAND
+ if (part_info->offset <= CONFIG_ENV_OFFSET + TOTAL_ENV_SIZE) {
+ printf("Use a different partition\n");
+ } else {
+ printf("Increase the size of the '%s' partition\n",
+ uboot_part);
+ }
+#else
+ printf("Increase the size of the '%s' partition\n",
+ uboot_part);
+#endif
+ } else {
+ printf("Increase the number of spare blocks to use with the '-e' option\n");
+ }
return -ENOSPC;
}
- fw1_end_block = fw1_start_block + fw_num_blocks + extra_blocks - 1;
+ if (extra_blocks)
+ fw1_end_block = fw1_start_block + fw_num_blocks + extra_blocks - 1;
+ else
+ fw1_end_block = fw1_start_block + fw_num_blocks + fw1_skip - 1;
if (fw2_set && fw2_start_block == 0)
fw2_start_block = fw1_end_block + 1;
if (fw2_start_block > 0) {
- fw2_start_block = find_contig_space(fw2_start_block,
- fw_num_blocks,
- size / mtd->erasesize);
- if (fw2_start_block < 0) {
- printf("Could not find %lu contiguous good blocks for redundant fw image\n",
- fw_num_blocks);
+ fw2_skip = find_contig_space(fw2_start_block, fw_num_blocks,
+ lldiv(max_len2, mtd->erasesize));
+ if (fw2_skip < 0) {
+ printf("Could not find %lu contiguous good blocks for redundant fw image in blocks %lu..%llu\n",
+ fw_num_blocks, fw2_start_block,
+ fw2_start_block + lldiv(max_len2, mtd->erasesize) - 1);
+ if (redund_part) {
+ printf("Increase the size of the '%s' partition or use a different partition\n",
+ redund_part);
+ } else {
+ printf("Increase the number of spare blocks to use with the '-e' option\n");
+ }
return -ENOSPC;
}
+ } else {
+ fw2_skip = 0;
}
- fw2_end_block = fw2_start_block + fw_num_blocks + extra_blocks - 1;
+ if (extra_blocks)
+ fw2_end_block = fw2_start_block + fw_num_blocks + extra_blocks - 1;
+ else
+ fw2_end_block = fw2_start_block + fw_num_blocks + fw2_skip - 1;
#ifdef CONFIG_ENV_IS_IN_NAND
fail_if_overlap(fcb, env, "FCB", "Environment");
#endif
fail_if_overlap(fw1, fw2, "FW1", "FW2");
}
+ fw1_start_block += fw1_skip;
+ fw2_start_block += fw2_skip;
- buf = malloc(erase_size);
+ buf = memalign(SZ_128K, erase_size);
if (buf == NULL) {
printf("Failed to allocate buffer\n");
return -ENOMEM;
}
- fcb = create_fcb(buf, fw1_start_block, fw2_start_block, fw_num_blocks,
- size / mtd->erasesize);
+ fcb = create_fcb(buf, fw1_start_block,
+ fw2_start_block, fw_num_blocks);
if (IS_ERR(fcb)) {
printf("Failed to initialize FCB: %ld\n", PTR_ERR(fcb));
- free(buf);
- return PTR_ERR(fcb);
+ ret = PTR_ERR(fcb);
+ goto out;
}
encode_hamming_13_8(fcb, (void *)fcb + 512, 512);
ret = write_fcb(buf, fcb_start_block);
- free(buf);
if (ret) {
printf("Failed to write FCB to block %lu\n", fcb_start_block);
return ret;
}
- ret = patch_ivt(addr, size);
- 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;
- }
+ printf("Programming U-Boot image from %p to block %lu @ %08llx\n",
+ buf, fw1_start_block, (u64)fw1_start_block * mtd->erasesize);
+ ret = tx6_prog_uboot(addr, fw1_start_block, fw1_skip, size,
+ max_len1);
- max_len1 = size;
-
- printf("max_len1=%u\n", max_len1);
- 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;
- }
-
- max_len2 = size;
+ if (ret || fw2_start_block == 0)
+ goto out;
- printf("max_len2=%u\n", max_len2);
- 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;
- }
+ printf("Programming redundant U-Boot image to block %lu @ %08llx\n",
+ fw2_start_block, (u64)fw2_start_block * mtd->erasesize);
+ ret = tx6_prog_uboot(addr, fw2_start_block, fw2_skip, size,
+ max_len2);
+out:
+ free(buf);
return ret;
}
U_BOOT_CMD(romupdate, 11, 0, do_update,
"Creates an FCB data structure and writes an U-Boot image to flash",
- "[-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}"
+ "[-f {<part>|block#}] [-r [{<part>|block#}]] [-e #] [<address>] [<length>]\n"
+ "\t-f <part>\twrite bootloader image to partition <part>\n"
+ "\t-f #\t\twrite bootloader image at block # (decimal)\n"
+ "\t-r\t\twrite redundant bootloader image at next free block after first image\n"
+ "\t-r <part>\twrite redundant bootloader image to partition <part>\n"
+ "\t-r #\t\twrite redundant bootloader image at block # (decimal)\n"
+ "\t-e #\t\tspecify number of redundant blocks per boot loader image\n"
+ "\t\t\t(only valid if -f or -r specify a flash address rather than a partition name)\n"
+ "\t-n\t\tshow what would be done without actually updating the flash\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