From 870dd3095facaada8b671d55affc2d060355725f Mon Sep 17 00:00:00 2001 From: Nikita Kiryanov Date: Thu, 29 Oct 2015 11:54:41 +0200 Subject: splash_source: add support for filesystem formatted mmc Add support for loading splash image from an SD card formatted with a filesystem. Update boards to maintain original behavior where needed. Cc: Igor Grinberg Cc: Tom Rini Signed-off-by: Nikita Kiryanov --- common/splash_source.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 57 insertions(+), 1 deletion(-) (limited to 'common') diff --git a/common/splash_source.c b/common/splash_source.c index 4820c12..7de8695 100644 --- a/common/splash_source.c +++ b/common/splash_source.c @@ -13,6 +13,7 @@ #include #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -103,6 +104,56 @@ splash_address_too_high: return -EFAULT; } +static int splash_select_fs_dev(struct splash_location *location) +{ + int res; + + switch (location->storage) { + case SPLASH_STORAGE_MMC: + res = fs_set_blk_dev("mmc", location->devpart, FS_TYPE_ANY); + break; + default: + printf("Error: unsupported location storage.\n"); + return -ENODEV; + } + + if (res) + printf("Error: could not access storage.\n"); + + return res; +} + +#define SPLASH_SOURCE_DEFAULT_FILE_NAME "splash.bmp" + +static int splash_load_fs(struct splash_location *location, u32 bmp_load_addr) +{ + int res; + loff_t bmp_size; + char *splash_file; + + splash_file = getenv("splashfile"); + if (!splash_file) + splash_file = SPLASH_SOURCE_DEFAULT_FILE_NAME; + + res = splash_select_fs_dev(location); + if (res) + return res; + + res = fs_size(splash_file, &bmp_size); + if (res) { + printf("Error (%d): cannot determine file size\n", res); + return res; + } + + 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; + } + + splash_select_fs_dev(location); + return fs_read(splash_file, bmp_load_addr, 0, 0, NULL); +} + /** * select_splash_location - return the splash location based on board support * and env variable "splashsource". @@ -172,5 +223,10 @@ int splash_source_load(struct splash_location *locations, uint size) if (!splash_location) return -EINVAL; - return splash_load_raw(splash_location, bmp_load_addr); + if (splash_location->flags & SPLASH_STORAGE_RAW) + return splash_load_raw(splash_location, bmp_load_addr); + else if (splash_location->flags & SPLASH_STORAGE_FS) + return splash_load_fs(splash_location, bmp_load_addr); + + return -EINVAL; } -- cgit v1.1