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arm: rmobile: bugfix: wrong register saving in lowlevel_init

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lowlevel_init() of rmobile badly assumed that ip register holds return address.
The commit "63ee53a7 armv7 cpu_init_crit: Simplify code" breaks this assumption.
This patch removes this bad assumption and simplify code.

Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
This commit is contained in:
Tetsuyuki Kobayashi 2012-10-04 18:39:22 +00:00 • committed by Tom Rini
parent 8a10180d62
commit 03eecab9a1
1 changed files with 1 additions and 11 deletions
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12
arch/arm/cpu/armv7/rmobile/lowlevel_init.S
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@ -76,17 +76,7 @@ loop0:
bne loop0 bne loop0
ldr sp, MERAM_STACK ldr sp, MERAM_STACK
b s_init
str ip, [sp] /* stash old link register */
mov ip, lr /* save link reg across call */
bl s_init
ldr ip, [sp] /* restore save ip */
mov lr, ip /* restore link reg */
/* back to arch calling code */
mov pc, lr
.pool .pool
.align 4 .align 4