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authorSimon Glass <sjg@chromium.org>2015-02-07 10:47:28 -0700
committerHans de Goede <hdegoede@redhat.com>2015-02-16 20:14:54 +0100
commite11c6c279d823dc0d2f470c5c2e3c0a9854a640f (patch)
tree31ae3d1bd015ec97d889ad6dc45baf5e1e127913 /board/nokia/rx51
parentc924e2a8036f43f2f4a8e829ecfc8e9d6e8cce63 (diff)
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arm: Allow lr to be saved by board code
The link register value can be required on some boards (e.g. FEL mode on sunxi) so use a branch instruction to jump to save_boot_params() instead of a branch link. This requires a branch back to save_boot_params_ret so adjust the users to deal with this. For exynos just drop the function since it doesn't do anything. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Siarhei Siamashka <siarhei.siamashka@gmail.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'board/nokia/rx51')
-rw-r--r--board/nokia/rx51/lowlevel_init.S3
1 files changed, 2 insertions, 1 deletions
diff --git a/board/nokia/rx51/lowlevel_init.S b/board/nokia/rx51/lowlevel_init.S
index e252909..9d4ea1b 100644
--- a/board/nokia/rx51/lowlevel_init.S
+++ b/board/nokia/rx51/lowlevel_init.S
@@ -37,7 +37,8 @@ ih_magic: /* IH_MAGIC in big endian from include/image.h */
.global save_boot_params
save_boot_params:
-
+ /* Get return address */
+ ldr lr, =save_boot_params_ret
/* Copy valid attached kernel to address KERNEL_ADDRESS */