splash: support raw image from MMC
The user has now the choice to specify the splash location in the MMC
as a raw storage.
Signed-off-by: Julien Masson <jmasson@baylibre.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/common/splash.c b/common/splash.c
index 0e520cc..5206e35 100644
--- a/common/splash.c
+++ b/common/splash.c
@@ -40,6 +40,12 @@
.devpart = "0:1",
},
{
+ .name = "mmc_raw",
+ .storage = SPLASH_STORAGE_MMC,
+ .flags = SPLASH_STORAGE_RAW,
+ .devpart = "0:1",
+ },
+ {
.name = "usb_fs",
.storage = SPLASH_STORAGE_USB,
.flags = SPLASH_STORAGE_FS,
diff --git a/common/splash_source.c b/common/splash_source.c
index 87e55a5..68c9fa3 100644
--- a/common/splash_source.c
+++ b/common/splash_source.c
@@ -65,6 +65,30 @@
}
#endif
+static int splash_mmc_read_raw(u32 bmp_load_addr, struct splash_location *location,
+ size_t read_size)
+{
+ struct disk_partition partition;
+ struct blk_desc *desc;
+ lbaint_t blkcnt;
+ int ret, n;
+
+ if (!IS_ENABLED(CONFIG_CMD_MMC)) {
+ debug("%s: mmc support not available\n", __func__);
+ return -ENOSYS;
+ }
+
+ ret = part_get_info_by_dev_and_name_or_num("mmc", location->devpart, &desc,
+ &partition, 1);
+ if (ret < 0)
+ return ret;
+
+ blkcnt = DIV_ROUND_UP(read_size, partition.blksz);
+ n = blk_dread(desc, partition.start, blkcnt, (void *)(uintptr_t)bmp_load_addr);
+
+ return (n == blkcnt) ? 0 : -EIO;
+}
+
static int splash_storage_read_raw(struct splash_location *location,
u32 bmp_load_addr, size_t read_size)
{
@@ -75,6 +99,8 @@
offset = location->offset;
switch (location->storage) {
+ case SPLASH_STORAGE_MMC:
+ return splash_mmc_read_raw(bmp_load_addr, location, read_size);
case SPLASH_STORAGE_NAND:
return splash_nand_read_raw(bmp_load_addr, offset, read_size);
case SPLASH_STORAGE_SF: