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authorSascha Hauer <s.hauer@pengutronix.de>2016-03-30 12:39:46 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2016-04-01 14:07:47 +0200
commitf546a50feb861c4264892b2089f8e0cff9b6f68e (patch)
tree25da4219baf2ee34b125c4703df10c1f4d4348fd /arch
parent218af23c7374df87d7a054a604e11f1d56a4c7f6 (diff)
downloadbarebox-f546a50feb861c4264892b2089f8e0cff9b6f68e.tar.gz
barebox-f546a50feb861c4264892b2089f8e0cff9b6f68e.tar.xz
ARM: i.MX: xload-esdhc: Find entry in image
The binary image generated by barebox contains an instruction at the very beginning to jump over the header. However, when the image is written to a SD card and the first 512 bytes are skipped in order to preserve the partition table then this jump instruction is lost. Instead of relying on the jump instruction at the image beginning calculate the image entry from the i.MX header instead of relying on the beginning of the image being the entry point. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-imx/xload-esdhc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/xload-esdhc.c b/arch/arm/mach-imx/xload-esdhc.c
index 0ff58c8870..e774e4e68c 100644
--- a/arch/arm/mach-imx/xload-esdhc.c
+++ b/arch/arm/mach-imx/xload-esdhc.c
@@ -260,6 +260,7 @@ int imx6_esdhc_start_image(int instance)
u32 *ivt = buf + SZ_1K;
int ret, len;
void __noreturn (*bb)(void);
+ unsigned int ofs;
len = imx_image_size();
len = ALIGN(len, SECTOR_SIZE);
@@ -283,7 +284,9 @@ int imx6_esdhc_start_image(int instance)
pr_debug("Image loaded successfully\n");
- bb = buf;
+ ofs = *(ivt + 1) - *(ivt + 8);
+
+ bb = buf + ofs;
bb();
}