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Thu, 27 Jun 2024 11:27:00 +0000 Received: from GV2PR08MB8121.eurprd08.prod.outlook.com ([fe80::4cd3:da80:2532:daa0]) by GV2PR08MB8121.eurprd08.prod.outlook.com ([fe80::4cd3:da80:2532:daa0%5]) with mapi id 15.20.7698.025; Thu, 27 Jun 2024 11:27:00 +0000 From: Mikhail Kshevetskiy To: Tom Rini , Simon Glass , Mattijs Korpershoek , AKASHI Takahiro , Heinrich Schuchardt , Ilias Apalodimas , Francis Laniel , Abdellatif El Khlifi , Peter Robinson , Dario Binacchi , Arseniy Krasnov , u-boot@lists.denx.de Subject: [PATCH 1/3] cmd: mtd: add markbad command support Date: Thu, 27 Jun 2024 14:26:50 +0300 Message-ID: <20240627112652.99818-1-mikhail.kshevetskiy@iopsys.eu> X-Mailer: git-send-email 2.43.0 X-ClientProxiedBy: FR0P281CA0165.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:b3::13) To GV2PR08MB8121.eurprd08.prod.outlook.com (2603:10a6:150:7d::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: GV2PR08MB8121:EE_|PAXPR08MB6431:EE_ X-MS-Office365-Filtering-Correlation-Id: 92d12302-83e0-494e-ae6d-08dc969c0f9e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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As result some functionality is missing. This patch implements 'nand markbad' functionality for mtd command. Signed-off-by: Mikhail Kshevetskiy --- cmd/Kconfig | 6 ++++++ cmd/mtd.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 64 insertions(+) diff --git a/cmd/Kconfig b/cmd/Kconfig index 6834bbd82f3..70c2d6a2dda 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1418,6 +1418,12 @@ config CMD_MTD_OTP help MTD commands for OTP access. +config CMD_MTD_MARKBAD + bool "mtd markbad" + depends on CMD_MTD + help + MTD markbad command support. + config CMD_MUX bool "mux" depends on MULTIPLEXER diff --git a/cmd/mtd.c b/cmd/mtd.c index 9189f45cabd..18f00493780 100644 --- a/cmd/mtd.c +++ b/cmd/mtd.c @@ -692,6 +692,57 @@ out_put_mtd: return ret; } +#ifdef CONFIG_CMD_MTD_MARKBAD +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 = 0; + + if (argc < 3) + return CMD_RET_USAGE; + + mtd = get_mtd_by_name(argv[1]); + if (IS_ERR_OR_NULL(mtd)) + return CMD_RET_FAILURE; + + if (!mtd_can_have_bb(mtd)) { + printf("Only NAND-based devices can have bad blocks\n"); + goto out_put_mtd; + } + + argc -= 2; + argv += 2; + while (argc > 0) { + off = hextoul(argv[0], NULL); + if (!mtd_is_aligned_with_block_size(mtd, off)) { + printf("Offset not aligned with a block (0x%x)\n", + mtd->erasesize); + ret = CMD_RET_FAILURE; + goto out_put_mtd; + } + + ret = mtd_block_markbad(mtd, off); + if (ret) { + printf("block 0x%08llx NOT marked as bad! ERROR %d\n", + off, ret); + ret = CMD_RET_FAILURE; + } else { + printf("block 0x%08llx successfully marked as bad\n", + off); + } + --argc; + ++argv; + } + +out_put_mtd: + put_mtd_device(mtd); + + return ret; +} +#endif + static int do_mtd_bad(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { @@ -774,6 +825,9 @@ U_BOOT_LONGHELP(mtd, "mtd otpwrite \n" "mtd otplock \n" "mtd otpinfo [u|f]\n" +#endif +#ifdef CONFIG_CMD_MTD_MARKBAD + "mtd markbad [ ...]\n" #endif "\n" "With:\n" @@ -808,5 +862,9 @@ U_BOOT_CMD_WITH_SUBCMDS(mtd, "MTD utils", mtd_help_text, mtd_name_complete), U_BOOT_SUBCMD_MKENT_COMPLETE(erase, 4, 0, do_mtd_erase, mtd_name_complete), +#ifdef CONFIG_CMD_MTD_MARKBAD + U_BOOT_SUBCMD_MKENT_COMPLETE(markbad, 20, 0, do_mtd_markbad, + mtd_name_complete), +#endif U_BOOT_SUBCMD_MKENT_COMPLETE(bad, 2, 1, do_mtd_bad, mtd_name_complete));