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splash_source: add support for ubifs formatted nand

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Add support for loading splash image from NAND Flash formatted with a (UBI) filesystem.

Signed-off-by: Eran Matityahu <eran.m@variscite.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Tom Rini <trini@konsulko.com>
Cc: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Acked-by: Nikita Kiryanov <nikita@compulab.co.il>
This commit is contained in:
Eran Matityahu 2016-06-07 10:38:37 +03:00 committed by Heiko Schocher
parent c1f51e0f3e
commit 1cb075c6c6
2 changed files with 57 additions and 4 deletions
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59
common/splash_source.c
View file

@ -120,6 +120,12 @@ static int splash_select_fs_dev(struct splash_location *location)
case SPLASH_STORAGE_SATA:
res = fs_set_blk_dev("sata", location->devpart, FS_TYPE_ANY);
break;
case SPLASH_STORAGE_NAND:
if (location->ubivol != NULL)
res = fs_set_blk_dev("ubi", NULL, FS_TYPE_UBIFS);
else
res = -ENODEV;
break;
default:
printf("Error: unsupported location storage.\n");
return -ENODEV;
@ -163,6 +169,41 @@ static inline int splash_init_sata(void)
}
#endif
#ifdef CONFIG_CMD_UBIFS
static int splash_mount_ubifs(struct splash_location *location)
{
int res;
char cmd[32];
sprintf(cmd, "ubi part %s", location->mtdpart);
res = run_command(cmd, 0);
if (res)
return res;
sprintf(cmd, "ubifsmount %s", location->ubivol);
res = run_command(cmd, 0);
return res;
}
static inline int splash_umount_ubifs(void)
{
return run_command("ubifsumount", 0);
}
#else
static inline int splash_mount_ubifs(struct splash_location *location)
{
printf("Cannot load splash image: no UBIFS support\n");
return -ENOSYS;
}
static inline int splash_umount_ubifs(void)
{
printf("Cannot unmount UBIFS: no UBIFS 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)
@ -181,26 +222,36 @@ static int splash_load_fs(struct splash_location *location, u32 bmp_load_addr)
if (location->storage == SPLASH_STORAGE_SATA)
res = splash_init_sata();
if (location->ubivol != NULL)
res = splash_mount_ubifs(location);
if (res)
return res;
res = splash_select_fs_dev(location);
if (res)
return res;
goto out;
res = fs_size(splash_file, &bmp_size);
if (res) {
printf("Error (%d): cannot determine file size\n", res);
return res;
goto out;
}
if (bmp_load_addr + bmp_size >= gd->start_addr_sp) {
printf("Error: splashimage address too high. Data overwrites U-Boot and/or placed beyond DRAM boundaries.\n");
return -EFAULT;
res = -EFAULT;
goto out;
}
splash_select_fs_dev(location);
return fs_read(splash_file, bmp_load_addr, 0, 0, NULL);
res = fs_read(splash_file, bmp_load_addr, 0, 0, NULL);
out:
if (location->ubivol != NULL)
splash_umount_ubifs();
return res;
}
/**

2
include/splash.h
View file

@ -43,6 +43,8 @@ struct splash_location {
enum splash_flags flags;
u32 offset; /* offset from start of storage */
char *devpart; /* Use the load command dev:part conventions */
char *mtdpart; /* MTD partition for ubi part */
char *ubivol; /* UBI volume-name for ubifsmount */
};
int splash_source_load(struct splash_location *locations, uint size);