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splash_source: add support for filesystem formatted usb 

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

Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Tom Rini <trini@konsulko.com>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
utp
Nikita Kiryanov 2015-10-29 11:54:42 +02:00 committed by Stefano Babic
parent 870dd3095f
commit 9bb4e94742
2 changed files with 31 additions and 1 deletions
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31
common/splash_source.c
View File

@ -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;
@ -123,11 +127,30 @@ static int splash_select_fs_dev(struct splash_location *location)
return res;
}
#ifdef CONFIG_USB_STORAGE
static int splash_init_usb(void)
{
int err;
err = usb_init();
if (err)
return err;
return usb_stor_scan(1) < 0 ? -ENODEV : 0;
}
#else
static inline int splash_init_usb(void)
{
printf("Cannot load splash image: no USB support\n");
return -ENOSYS;
}
#endif
#define SPLASH_SOURCE_DEFAULT_FILE_NAME "splash.bmp"
static int splash_load_fs(struct splash_location *location, u32 bmp_load_addr)
{
int res;
int res = 0;
loff_t bmp_size;
char *splash_file;
@ -135,6 +158,12 @@ static int splash_load_fs(struct splash_location *location, u32 bmp_load_addr)
if (!splash_file)
splash_file = SPLASH_SOURCE_DEFAULT_FILE_NAME;
if (location->storage == SPLASH_STORAGE_USB)
res = splash_init_usb();
if (res)
return res;
res = splash_select_fs_dev(location);
if (res)
return res;

1
include/splash.h
View File

@ -28,6 +28,7 @@ enum splash_storage {
SPLASH_STORAGE_NAND,
SPLASH_STORAGE_SF,
SPLASH_STORAGE_MMC,
SPLASH_STORAGE_USB,
};
enum splash_flags {