[U-Boot] [PATCH 3/5] splash_source: add support for filesystem formatted usb

[Nikita Kiryanov]

Add support for loading splash image from USB drive formatted with a
filesystem.

Cc: Igor Grinberg <grinberg at compulab.co.il>
Cc: Tom Rini <trini at konsulko.com>
Signed-off-by: Nikita Kiryanov <nikita at compulab.co.il>
---
 common/splash_source.c | 11 +++++++++++
 include/splash.h       |  1 +
 2 files changed, 12 insertions(+)

diff --git a/common/splash_source.c b/common/splash_source.c
index cb45c63..937ce17 100644
--- a/common/splash_source.c
+++ b/common/splash_source.c
@@ -12,6 +12,7 @@
 #include <splash.h>
 #include <spi_flash.h>
 #include <spi.h>
+#include <usb.h>
 #include <bmp_layout.h>
 #include <fs.h>
 
@@ -112,6 +113,9 @@ static int splash_select_fs_dev(struct splash_location *location)
 	case SPLASH_STORAGE_MMC:
 		res = fs_set_blk_dev("mmc", location->devpart, FS_TYPE_ANY);
 		break;
+	case SPLASH_STORAGE_USB:
+		res = fs_set_blk_dev("usb", location->devpart, FS_TYPE_ANY);
+		break;
 	default:
 		printf("Error: unsupported location storage.\n");
 		return -ENODEV;
@@ -128,6 +132,13 @@ static int splash_load_fs(struct splash_location *location, u32 bmp_load_addr)
 	int res;
 	loff_t bmp_size;
 
+#ifdef CONFIG_USB_STORAGE
+	if (location->storage == SPLASH_STORAGE_USB) {
+		usb_init();
+		usb_stor_scan(1);
+	}
+#endif
+
 	res = splash_select_fs_dev(location);
 	if (res)
 		return res;
diff --git a/include/splash.h b/include/splash.h
index d1fba69..b728bd6 100644
--- a/include/splash.h
+++ b/include/splash.h
@@ -28,6 +28,7 @@ enum splash_storage {
 	SPLASH_STORAGE_NAND,
 	SPLASH_STORAGE_SF,
 	SPLASH_STORAGE_MMC,
+	SPLASH_STORAGE_USB,
 };
 
 enum splash_flags {
-- 
1.9.1