cmd: mvebu/bubt: a38x: Do not hardcode SATA block size to 512
Find SATA block device by blk_get_devnum_by_uclass_id() function and read
from it the real block size of the SATA disk. In case of error, fallback
back to 512 bytes.
Signed-off-by: Pali Rohár <pali@kernel.org>
diff --git a/cmd/mvebu/bubt.c b/cmd/mvebu/bubt.c
index 37ff9c4..ca24a5c 100644
--- a/cmd/mvebu/bubt.c
+++ b/cmd/mvebu/bubt.c
@@ -924,8 +924,11 @@
offset = le32_to_cpu(hdr->srcaddr);
size = le32_to_cpu(hdr->blocksize);
- if (hdr->blockid == 0x78) /* SATA id */
- offset *= 512;
+ if (hdr->blockid == 0x78) { /* SATA id */
+ struct blk_desc *blk_dev = IS_ENABLED(BLK) ? blk_get_devnum_by_uclass_id(UCLASS_SCSI, 0) : NULL;
+ unsigned long blksz = blk_dev ? blk_dev->blksz : 512;
+ offset *= blksz;
+ }
if (offset % 4 != 0 || size < 4 || size % 4 != 0) {
printf("Error: Bad A38x image blocksize.\n");