From 2bad5d082d288ec4c7bac4ca5149c9af221161a2 Mon Sep 17 00:00:00 2001 From: Patrick Delaunay Date: Wed, 18 Mar 2020 09:24:57 +0100 Subject: [PATCH] stm32mp: stm32prog: add support for delete option in flashlayout Add support for delete option 'D' in flashlayout for full device or for partitions Signed-off-by: Patrick Delaunay Reviewed-by: Patrice Chotard --- .../mach-stm32mp/cmd_stm32prog/stm32prog.c | 105 ++++++++++++++++++ 1 file changed, 105 insertions(+) diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c index 3e521d42f2..3573c04d16 100644 --- a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c @@ -23,9 +23,11 @@ #define OPT_SELECT BIT(0) #define OPT_EMPTY BIT(1) +#define OPT_DELETE BIT(2) #define IS_SELECT(part) ((part)->option & OPT_SELECT) #define IS_EMPTY(part) ((part)->option & OPT_EMPTY) +#define IS_DELETE(part) ((part)->option & OPT_DELETE) #define ALT_BUF_LEN SZ_1K @@ -158,6 +160,9 @@ static int parse_option(struct stm32prog_data *data, case 'E': part->option |= OPT_EMPTY; break; + case 'D': + part->option |= OPT_DELETE; + break; default: result = -EINVAL; stm32prog_err("Layout line %d: invalid option '%c' in %s)", @@ -1293,10 +1298,80 @@ void stm32prog_next_phase(struct stm32prog_data *data) puts("Phase=END\n"); } +static int part_delete(struct stm32prog_data *data, + struct stm32prog_part_t *part) +{ + int ret = 0; +#ifdef CONFIG_MMC + unsigned long blks, blks_offset, blks_size; + struct blk_desc *block_dev = NULL; + #endif +#ifdef CONFIG_MTD + char cmdbuf[40]; + char devstr[10]; +#endif + + printf("Erasing %s ", part->name); + switch (part->target) { +#ifdef CONFIG_MMC + case STM32PROG_MMC: + printf("on mmc %d: ", part->dev->dev_id); + block_dev = mmc_get_blk_desc(part->dev->mmc); + blks_offset = lldiv(part->addr, part->dev->mmc->read_bl_len); + blks_size = lldiv(part->size, part->dev->mmc->read_bl_len); + /* -1 or -2 : delete boot partition of MMC + * need to switch to associated hwpart 1 or 2 + */ + if (part->part_id < 0) + if (blk_select_hwpart_devnum(IF_TYPE_MMC, + part->dev->dev_id, + -part->part_id)) + return -1; + + blks = blk_derase(block_dev, blks_offset, blks_size); + + /* return to user partition */ + if (part->part_id < 0) + blk_select_hwpart_devnum(IF_TYPE_MMC, + part->dev->dev_id, 0); + if (blks != blks_size) { + ret = -1; + stm32prog_err("%s (0x%x): MMC erase failed", + part->name, part->id); + } + break; +#endif +#ifdef CONFIG_MTD + case STM32PROG_NOR: + case STM32PROG_NAND: + case STM32PROG_SPI_NAND: + get_mtd_by_target(devstr, part->target, part->dev->dev_id); + printf("on %s: ", devstr); + sprintf(cmdbuf, "mtd erase %s 0x%llx 0x%llx", + devstr, part->addr, part->size); + if (run_command(cmdbuf, 0)) { + ret = -1; + stm32prog_err("%s (0x%x): MTD erase commands failed (%s)", + part->name, part->id, cmdbuf); + } + break; +#endif + default: + ret = -1; + stm32prog_err("%s (0x%x): erase invalid", part->name, part->id); + break; + } + if (!ret) + printf("done\n"); + + return ret; +} + static void stm32prog_devices_init(struct stm32prog_data *data) { int i; int ret; + struct stm32prog_part_t *part; ret = treat_partition_list(data); if (ret) @@ -1309,10 +1384,40 @@ static void stm32prog_devices_init(struct stm32prog_data *data) goto error; } + /* delete RAW partition before create partition */ + for (i = 0; i < data->part_nb; i++) { + part = &data->part_array[i]; + + if (part->part_type != RAW_IMAGE) + continue; + + if (!IS_SELECT(part) || !IS_DELETE(part)) + continue; + + ret = part_delete(data, part); + if (ret) + goto error; + } + ret = create_partitions(data); if (ret) goto error; + /* delete partition GPT or MTD */ + for (i = 0; i < data->part_nb; i++) { + part = &data->part_array[i]; + + if (part->part_type == RAW_IMAGE) + continue; + + if (!IS_SELECT(part) || !IS_DELETE(part)) + continue; + + ret = part_delete(data, part); + if (ret) + goto error; + } + return; error: -- 2.39.5