[RFC PATCH 2/7] spl: Convert ext to use spl_load

[Sean Anderson]

This converts the ext load method to use spl_load. As a consequence, it
also adds support for FIT and IMX images.

Signed-off-by: Sean Anderson <sean.anderson at seco.com>
---

 common/spl/spl_ext.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/common/spl/spl_ext.c b/common/spl/spl_ext.c
index ebd914c492..1384842776 100644
--- a/common/spl/spl_ext.c
+++ b/common/spl/spl_ext.c
@@ -9,6 +9,18 @@
 #include <errno.h>
 #include <image.h>
 
+static ulong spl_fit_read(struct spl_load_info *load, ulong file_offset,
+			  ulong size, void *buf)
+{
+	int ret;
+	loff_t actlen;
+
+	ret = ext4fs_read(buf, file_offset, size, &actlen);
+	if (ret)
+		return ret;
+	return actlen;
+}
+
 int spl_load_image_ext(struct spl_image_info *spl_image,
 		       struct spl_boot_device *bootdev,
 		       struct blk_desc *block_dev, int partition,
@@ -18,6 +30,10 @@ int spl_load_image_ext(struct spl_image_info *spl_image,
 	struct image_header *header;
 	loff_t filelen, actlen;
 	struct disk_partition part_info = {};
+	struct spl_load_info load = {
+		.read = spl_fit_read,
+		.bl_len = 1,
+	};
 
 	header = spl_get_load_buffer(-sizeof(*header), sizeof(*header));
 
@@ -47,13 +63,7 @@ int spl_load_image_ext(struct spl_image_info *spl_image,
 		goto end;
 	}
 
-	err = spl_parse_image_header(spl_image, bootdev, header);
-	if (err < 0) {
-		puts("spl: ext: failed to parse image header\n");
-		goto end;
-	}
-
-	err = ext4fs_read((char *)spl_image->load_addr, 0, filelen, &actlen);
+	err = spl_load(spl_image, bootdev, &load, header, filelen, 0);
 
 end:
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-- 
2.35.1.1320.gc452695387.dirty