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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2016-05-24 10:34:39 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-05-27 15:41:40 -0400 |
| commit | 97ca364fafe31dd986774d282674a3fe925a546a (patch) | |
| tree | 964751a066ebd4a4b8e472d1c8a902f0fcb0f57d /common/spl/spl_fat.c | |
| parent | eafd5410af2ade58f25da707edaba85e44999621 (diff) | |
| download | u-boot-97ca364fafe31dd986774d282674a3fe925a546a.tar.gz u-boot-97ca364fafe31dd986774d282674a3fe925a546a.tar.bz2 u-boot-97ca364fafe31dd986774d282674a3fe925a546a.zip | |
spl: Support loading a FIT from FAT FS
Detect a FIT when loading from a FAT File system and handle it using the
new FIT SPL support.
Tested-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Diffstat (limited to 'common/spl/spl_fat.c')
| -rw-r--r-- | common/spl/spl_fat.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/common/spl/spl_fat.c b/common/spl/spl_fat.c index 5b0d96925e..db676186d3 100644 --- a/common/spl/spl_fat.c +++ b/common/spl/spl_fat.c @@ -15,6 +15,7 @@ #include <fat.h> #include <errno.h> #include <image.h> +#include <libfdt.h> static int fat_registered; @@ -39,6 +40,20 @@ static int spl_register_fat_device(struct blk_desc *block_dev, int partition) return err; } +static ulong spl_fit_read(struct spl_load_info *load, ulong file_offset, + ulong size, void *buf) +{ + loff_t actread; + int ret; + char *filename = (char *)load->filename; + + ret = fat_read_file(filename, buf, file_offset, size, &actread); + if (ret) + return ret; + + return actread; +} + int spl_load_image_fat(struct blk_desc *block_dev, int partition, const char *filename) @@ -57,11 +72,24 @@ int spl_load_image_fat(struct blk_desc *block_dev, if (err <= 0) goto end; - err = spl_parse_image_header(header); - if (err) - goto end; + if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && + image_get_magic(header) == FDT_MAGIC) { + struct spl_load_info load; + + debug("Found FIT\n"); + load.read = spl_fit_read; + load.bl_len = 1; + load.filename = (void *)filename; + load.priv = NULL; - err = file_fat_read(filename, (u8 *)spl_image.load_addr, 0); + return spl_load_simple_fit(&load, 0, header); + } else { + err = spl_parse_image_header(header); + if (err) + goto end; + + err = file_fat_read(filename, (u8 *)spl_image.load_addr, 0); + } end: #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT |