[U-Boot] [PATCH V4 01/11] imximage: mx53 needs transfer length a multiple of 512

[Troy Kisky]

The mx53 ROM will truncate the length at a multiple of 512.
Transferring too much is not a problem, so round up.

Problem reported by Stefano Babic.

Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>
---
 tools/imximage.c |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tools/imximage.c b/tools/imximage.c
index 63f88b6..7e54e97 100644
--- a/tools/imximage.c
+++ b/tools/imximage.c
@@ -494,6 +494,8 @@ static void imximage_print_header(const void *ptr)
 	}
 }
 
+#define ALIGN(a, b)	(((a) + (b) - 1) & ~((b) - 1))
+
 static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
 				struct mkimage_params *params)
 {
@@ -515,7 +517,13 @@ static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
 
 	/* Set the imx header */
 	(*set_imx_hdr)(imxhdr, dcd_len, params->ep, imxhdr->flash_offset);
-	*header_size_ptr = sbuf->st_size + imxhdr->flash_offset;
+	/*
+	 * ROM bug alert
+	 * mx53 only loads 512 byte multiples.
+	 * The remaining fraction of a block bytes would
+	 * not be loaded.
+	 */
+	*header_size_ptr = ALIGN(sbuf->st_size + imxhdr->flash_offset, 512);
 }
 
 int imximage_check_params(struct mkimage_params *params)
-- 
1.7.9.5