[U-Boot] [PATCH 2/2] spl: Support loading a FIT from NAND
Lokesh Vutla
lokeshvutla at ti.com
Tue Apr 12 11:29:31 CEST 2016
Detect a FIT when loading from NAND and handle it using the
new FIT SPL support.
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
common/spl/spl_nand.c | 33 ++++++++++++++++++++++++++++++---
1 file changed, 30 insertions(+), 3 deletions(-)
diff --git a/common/spl/spl_nand.c b/common/spl/spl_nand.c
index 79388ff..479eb89 100644
--- a/common/spl/spl_nand.c
+++ b/common/spl/spl_nand.c
@@ -9,6 +9,8 @@
#include <spl.h>
#include <asm/io.h>
#include <nand.h>
+#include <libfdt_env.h>
+#include <fdt.h>
#if defined(CONFIG_SPL_NAND_RAW_ONLY)
int spl_nand_load_image(void)
@@ -24,6 +26,19 @@ int spl_nand_load_image(void)
return 0;
}
#else
+
+static ulong spl_nand_fit_read(struct spl_load_info *load, ulong offs,
+ ulong size, void *dst)
+{
+ int ret;
+
+ ret = nand_spl_load_image(offs, size, dst);
+ if (!ret)
+ return size;
+ else
+ return 0;
+}
+
static int spl_nand_load_element(int offset, struct image_header *header)
{
int err;
@@ -32,9 +47,21 @@ static int spl_nand_load_element(int offset, struct image_header *header)
if (err)
return err;
- spl_parse_image_header(header);
- return nand_spl_load_image(offset, spl_image.size,
- (void *)(unsigned long)spl_image.load_addr);
+ if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
+ image_get_magic(header) == FDT_MAGIC) {
+ struct spl_load_info load;
+
+ debug("Found FIT\n");
+ load.dev = NULL;
+ load.priv = NULL;
+ load.bl_len = 1;
+ load.read = spl_nand_fit_read;
+ return spl_load_simple_fit(&load, offset, header);
+ } else {
+ spl_parse_image_header(header);
+ return nand_spl_load_image(offset, spl_image.size,
+ (void *)spl_image.load_addr);
+ }
}
int spl_nand_load_image(void)
--
2.1.4
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