diff options
Diffstat (limited to 'package/boot/uboot-mediatek/patches/100-10-cmd-mtd-add-markbad-subcommand-for-NMBM-testing.patch')
| -rw-r--r-- | package/boot/uboot-mediatek/patches/100-10-cmd-mtd-add-markbad-subcommand-for-NMBM-testing.patch | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/package/boot/uboot-mediatek/patches/100-10-cmd-mtd-add-markbad-subcommand-for-NMBM-testing.patch b/package/boot/uboot-mediatek/patches/100-10-cmd-mtd-add-markbad-subcommand-for-NMBM-testing.patch new file mode 100644 index 00000000000..c6358f32877 --- /dev/null +++ b/package/boot/uboot-mediatek/patches/100-10-cmd-mtd-add-markbad-subcommand-for-NMBM-testing.patch @@ -0,0 +1,80 @@ +From 6dbbc8affb6ab22f940d13d0e928d5e881127ca4 Mon Sep 17 00:00:00 2001 +From: Weijie Gao <weijie.gao@mediatek.com> +Date: Mon, 25 Jul 2022 11:22:57 +0800 +Subject: [PATCH 44/71] cmd: mtd: add markbad subcommand for NMBM testing + +This patch adds: +* Mark bad block on lower mtd device and erase on upper mtd +device, which will trigger remapping: +$ mtd markbad spi-nand0 0x20000 (mark block1 as bad) +$ mtd erase nmbm0 0x20000 0x20000 (let nmbm detect the bad block and remap it) + +* Clear bad block mark through: +$ mtd erase.dontskipbad spi-nand0 0x20000 0x20000 +(After cleaning bad block mark, we need to rebuild nmbm manage table.) + +Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com> +--- + cmd/mtd.c | 39 +++++++++++++++++++++++++++++++++++++++ + 1 file changed, 39 insertions(+) + +--- a/cmd/mtd.c ++++ b/cmd/mtd.c +@@ -504,6 +504,42 @@ out_put_mtd: + return CMD_RET_SUCCESS; + } + ++static int do_mtd_markbad(struct cmd_tbl *cmdtp, int flag, int argc, ++ char * const argv[]) ++{ ++ struct mtd_info *mtd; ++ loff_t off; ++ int ret; ++ ++ if (argc < 3) ++ return CMD_RET_USAGE; ++ ++ mtd = get_mtd_by_name(argv[1]); ++ if (IS_ERR(mtd) || !mtd) ++ return CMD_RET_FAILURE; ++ ++ if (!mtd_can_have_bb(mtd)) { ++ printf("Only NAND-based devices can have mark blocks\n"); ++ goto out_put_mtd; ++ } ++ ++ off = simple_strtoull(argv[2], NULL, 0); ++ ++ ret = mtd_block_markbad(mtd, off); ++ if (!ret) { ++ printf("MTD device %s block at 0x%08llx marked bad\n", ++ mtd->name, off); ++ } else { ++ printf("MTD device %s block at 0x%08llx mark bad failed\n", ++ mtd->name, off); ++ } ++ ++out_put_mtd: ++ put_mtd_device(mtd); ++ ++ return CMD_RET_SUCCESS; ++} ++ + #ifdef CONFIG_AUTO_COMPLETE + static int mtd_name_complete(int argc, char *const argv[], char last_char, + int maxv, char *cmdv[]) +@@ -551,6 +587,7 @@ U_BOOT_LONGHELP(mtd, + "\n" + "Specific functions:\n" + "mtd bad <name>\n" ++ "mtd markbad <name> <off>\n" + "\n" + "With:\n" + "\t<name>: NAND partition/chip name (or corresponding DM device name or OF path)\n" +@@ -575,4 +612,6 @@ U_BOOT_CMD_WITH_SUBCMDS(mtd, "MTD utils" + U_BOOT_SUBCMD_MKENT_COMPLETE(erase, 4, 0, do_mtd_erase, + mtd_name_complete), + U_BOOT_SUBCMD_MKENT_COMPLETE(bad, 2, 1, do_mtd_bad, ++ mtd_name_complete), ++ U_BOOT_SUBCMD_MKENT_COMPLETE(markbad, 3, 1, do_mtd_markbad, + mtd_name_complete)); |