Detect a FIT when loading from an ext File system and handle it using the FIT SPL support.
Signed-off-by: Mayuresh Chitale mchitale@ventanamicro.com --- common/spl/spl_ext.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/common/spl/spl_ext.c b/common/spl/spl_ext.c index 2bf3434439..8593aed069 100644 --- a/common/spl/spl_ext.c +++ b/common/spl/spl_ext.c @@ -8,6 +8,26 @@ #include <ext4fs.h> #include <errno.h> #include <image.h> +#include <linux/libfdt.h> + +static ulong spl_fit_read(struct spl_load_info *load, ulong file_offset, + ulong size, void *buf) +{ + loff_t filelen = (loff_t)load->priv, actlen; + char *filename = (char *)load->filename; + int ret; + + ret = ext4fs_read(buf, file_offset, filelen, &actlen); + if (ret < 0) { + if (IS_ENABLED(CONFIG_SPL_LIBCOMMON_SUPPORT)) { + printf("%s: error reading image %s, err - %d\n", + __func__, filename, ret); + } + return ret; + } + + return actlen; +}
int spl_load_image_ext(struct spl_image_info *spl_image, struct spl_boot_device *bootdev, @@ -47,6 +67,19 @@ int spl_load_image_ext(struct spl_image_info *spl_image, 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 = (void *)filelen; + + return spl_load_simple_fit(spl_image, &load, 0, header); + } + err = spl_parse_image_header(spl_image, bootdev, header); if (err < 0) { puts("spl: ext: failed to parse image header\n");