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-rw-r--r--tools/kwbimage.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/tools/kwbimage.c b/tools/kwbimage.c
index c775abf0e3d..f40ba0994dd 100644
--- a/tools/kwbimage.c
+++ b/tools/kwbimage.c
@@ -1510,6 +1510,17 @@ static int image_get_version(void)
return e->version;
}
+static int image_get_bootfrom(void)
+{
+ struct image_cfg_element *e;
+
+ e = image_find_option(IMAGE_CFG_BOOT_FROM);
+ if (!e)
+ return -1;
+
+ return e->bootfrom;
+}
+
static void kwbimage_set_header(void *ptr, struct stat *sbuf, int ifd,
struct image_tool_params *params)
{
@@ -1642,6 +1653,7 @@ static int kwbimage_generate(struct image_tool_params *params,
FILE *fcfg;
struct stat s;
int alloc_len;
+ int bootfrom;
int version;
void *hdr;
int ret;
@@ -1678,6 +1690,7 @@ static int kwbimage_generate(struct image_tool_params *params,
exit(EXIT_FAILURE);
}
+ bootfrom = image_get_bootfrom();
version = image_get_version();
switch (version) {
/*
@@ -1717,8 +1730,12 @@ static int kwbimage_generate(struct image_tool_params *params,
* The resulting image needs to be 4-byte aligned. At least
* the Marvell hdrparser tool complains if its unaligned.
* After the image data is stored 4-byte checksum.
+ * Final SPI and NAND images must be aligned to 256 bytes.
*/
- return 4 + (4 - s.st_size % 4) % 4;
+ if (bootfrom == IBR_HDR_SPI_ID || bootfrom == IBR_HDR_NAND_ID)
+ return 4 + (256 - (alloc_len + s.st_size + 4) % 256) % 256;
+ else
+ return 4 + (4 - s.st_size % 4) % 4;
}
/*