Dealing with raw block numbers with the dfu is very annoying.
Introduce a partition method.
Signed-off-by: Pantelis Antoniou <pa...@antoniou-consulting.com>
---
drivers/dfu/dfu_mmc.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c
index 5d504df..3733b21 100644
--- a/drivers/dfu/dfu_mmc.c
+++ b/drivers/dfu/dfu_mmc.c
@@ -153,6 +153,10 @@ 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 +170,33 @@ 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);
+ 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 -1;
+ }
+
+ 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 -1;
+ }
+
+ 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 -1;
}
if (dfu->layout == DFU_FS_EXT4 || dfu->layout == DFU_FS_FAT) {
--
1.7.12
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