[U-Boot] [PATCH 19/22] armv7: embed u-boot size within u-boot for use from SPL

Aneesh V
2011-02-28T11:46:28Z

Embed the u-boot flash image size at a known offset from the
start of u-boot so that SPL can use it while loading u-boot
from a non-XIP media.

Signed-off-by: Aneesh V <aneesh@ti.com>
---
arch/arm/cpu/armv7/start.S | 6 +++++-
spl/board/ti/spl-omap.lds | 1 +
2 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index f5f08d9..1cbd128 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -64,8 +64,12 @@ _pad: .word 0x12345678 /* now 16*4=64 */

.global _end_vect
_end_vect:
+.global _u_boot_size
+_u_boot_size:
+ .word 0xDEADBEEF
+ .word __flash_image_end - _start

- .balignl 16,0xdeadbeef
+.balignl 16,0xdeadbeef
/*************************************************************************
*
* Startup Code (reset vector)
diff --git a/spl/board/ti/spl-omap.lds b/spl/board/ti/spl-omap.lds
index 27b5295..64eb4c9 100644
--- a/spl/board/ti/spl-omap.lds
+++ b/spl/board/ti/spl-omap.lds
@@ -50,6 +50,7 @@ SECTIONS
.data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram
. = ALIGN(4);
__image_copy_end = .;
+ __flash_image_end = .;

.bss :
{
--
1.7.0.4