diff options
| author | Pantelis Antoniou <panto@antoniou-consulting.com> | 2012-11-30 08:01:11 +0000 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2013-03-16 21:12:01 +0100 |
| commit | 1b6ca18b4244756d4dbd4240510f4cc448ade0bc (patch) | |
| tree | 85c05385d99705ef96d0cf947b55e767a194edac /drivers | |
| parent | 80eb1bd02d1324a6fbd3b41cf72297353496bf2a (diff) | |
dfu: Add a partition type target
Dealing with raw block numbers with the dfu is very annoying.
Introduce a partition method.
Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dfu/dfu_mmc.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c index 5d504dffd1..083d74591b 100644 --- a/drivers/dfu/dfu_mmc.c +++ b/drivers/dfu/dfu_mmc.c @@ -21,6 +21,7 @@ #include <common.h> #include <malloc.h> +#include <errno.h> #include <dfu.h> enum dfu_mmc_op { @@ -153,6 +154,10 @@ int dfu_read_medium_mmc(struct dfu_entity *dfu, void *buf, long *len) int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s) { + int dev, part; + struct mmc *mmc; + block_dev_desc_t *blk_dev; + disk_partition_t partinfo; char *st; dfu->dev_type = DFU_DEV_MMC; @@ -166,8 +171,34 @@ int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s) dfu->layout = DFU_FS_FAT; } else if (!strcmp(st, "ext4")) { dfu->layout = DFU_FS_EXT4; + } else if (!strcmp(st, "part")) { + + dfu->layout = DFU_RAW_ADDR; + + dev = simple_strtoul(s, &s, 10); + s++; + part = simple_strtoul(s, &s, 10); + + mmc = find_mmc_device(dev); + if (mmc == NULL || mmc_init(mmc)) { + printf("%s: could not find mmc device #%d!\n", __func__, dev); + return -ENODEV; + } + + blk_dev = &mmc->block_dev; + if (get_partition_info(blk_dev, part, &partinfo) != 0) { + printf("%s: could not find partition #%d on mmc device #%d!\n", + __func__, part, dev); + return -ENODEV; + } + + dfu->data.mmc.lba_start = partinfo.start; + dfu->data.mmc.lba_size = partinfo.size; + dfu->data.mmc.lba_blk_size = partinfo.blksz; + } else { printf("%s: Memory layout (%s) not supported!\n", __func__, st); + return -ENODEV; } if (dfu->layout == DFU_FS_EXT4 || dfu->layout == DFU_FS_FAT) { |