On Mon, Oct 21, 2019 at 4:41 PM Igor Opaniuk igor.opaniuk@gmail.com wrote:
From: Igor Opaniuk igor.opaniuk@toradex.com
Add subcommand for add writing BCB only, where we provide appropriate offsets for firmware1 and firmware2 and size.
Example of usage:
- nandbcb bcbonly 0x00180000 0x00080000 0x00200000
Writing 1024 bytes to 0x0: randomizing OK Writing 1024 bytes to 0x20000: randomizing OK
Signed-off-by: Igor Opaniuk igor.opaniuk@toradex.com
Reviewed-by: Oleksandr Suvorov oleksandr.suvorov@toradex.com
arch/arm/mach-imx/cmd_nandbcb.c | 92 ++++++++++++++++++++++++++++++++- 1 file changed, 91 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-imx/cmd_nandbcb.c b/arch/arm/mach-imx/cmd_nandbcb.c index fbe780ccda..d11e16cf83 100644 --- a/arch/arm/mach-imx/cmd_nandbcb.c +++ b/arch/arm/mach-imx/cmd_nandbcb.c @@ -364,6 +364,88 @@ err: return ret; }
+static int do_nandbcb_bcbonly(int argc, char * const argv[]) +{
struct fcb_block *fcb;struct dbbt_block *dbbt;u32 fw_len, fw1_off, fw2_off;struct mtd_info *mtd;void *dbbt_page, *dbbt_data_page;int dev, ret;dev = nand_curr_device;if ((dev < 0) || (dev >= CONFIG_SYS_MAX_NAND_DEVICE) ||(!get_nand_dev_by_index(dev))) {puts("No devices available\n");return CMD_RET_FAILURE;}mtd = get_nand_dev_by_index(dev);if (argc < 3)return CMD_RET_FAILURE;fw_len = simple_strtoul(argv[1], NULL, 16);fw1_off = simple_strtoul(argv[2], NULL, 16);if (argc > 3)fw2_off = simple_strtoul(argv[3], NULL, 16);elsefw2_off = fw1_off;/* fill fcb */fcb = kzalloc(sizeof(*fcb), GFP_KERNEL);if (!fcb) {debug("failed to allocate fcb\n");ret = -ENOMEM;return CMD_RET_FAILURE;}fill_fcb(fcb, mtd, fw1_off / mtd->writesize,fw2_off / mtd->writesize, fw_len / mtd->writesize);/* fill dbbt */dbbt_page = kzalloc(mtd->writesize, GFP_KERNEL);if (!dbbt_page) {debug("failed to allocate dbbt_page\n");ret = -ENOMEM;goto fcb_err;}dbbt_data_page = kzalloc(mtd->writesize, GFP_KERNEL);if (!dbbt_data_page) {debug("failed to allocate dbbt_data_page\n");ret = -ENOMEM;goto dbbt_page_err;}dbbt = dbbt_page;dbbt->checksum = 0;dbbt->fingerprint = DBBT_FINGERPRINT2;dbbt->version = DBBT_VERSION_1;ret = dbbt_fill_data(mtd, dbbt_data_page, 0);if (ret < 0)goto dbbt_data_page_err;else if (ret > 0)dbbt->dbbtpages = 1;/* write fcb and dbbt to nand */ret = write_fcb_dbbt(mtd, fcb, dbbt, dbbt_data_page, 0);+dbbt_data_page_err:
kfree(dbbt_data_page);+dbbt_page_err:
kfree(dbbt_page);+fcb_err:
kfree(fcb);if (ret < 0) {printf("failed to write FCB/DBBT\n");return CMD_RET_FAILURE;}return CMD_RET_SUCCESS;+}
static int do_nandbcb_update(int argc, char * const argv[]) { struct mtd_info *mtd; @@ -420,6 +502,11 @@ static int do_nandbcb(cmd_tbl_t *cmdtp, int flag, int argc, goto done; }
if (strcmp(cmd, "bcbonly") == 0) {ret = do_nandbcb_bcbonly(argc, argv);goto done;}done: if (ret != -1) return ret; @@ -430,7 +517,10 @@ usage: #ifdef CONFIG_SYS_LONGHELP static char nandbcb_help_text[] = "update addr off|partition len - update 'len' bytes starting at\n"
" 'off|part' to memory address 'addr', skipping bad blocks";
" 'off|part' to memory address 'addr', skipping bad blocks\n""bcbonly fw-size fw1-off [fw2-off] - write only BCB (FCB and DBBT)\n"" where `fw-size` is fw sizes in bytes, `fw1-off` and\n"" and `fw2-off` - firmware offsets ";#endif
U_BOOT_CMD(nandbcb, 5, 1, do_nandbcb,
2.17.1
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