Fix typo and cp_delay.
Note that most of ARM code uses for-loop as cp_delay() implementation.
Scott Wood made some tests and volatile prevents gcc from optimizing
loop away, so this implemention should be fine. For OMAP some nops are
sufficent, though.
Signed-off-by: Dirk Behme <[EMAIL PROTECTED]>
---
Changes in v2:
- Correct patch header style.
v2 of this patch makes previous version v1 obsolete.
cpu/arm_cortexa8/cpu.c | 5 ++---
cpu/arm_cortexa8/start.S | 2 +-
2 files changed, 3 insertions(+), 4 deletions(-)
Index: u-boot-arm/cpu/arm_cortexa8/start.S
===================================================================
--- u-boot-arm.orig/cpu/arm_cortexa8/start.S
+++ u-boot-arm/cpu/arm_cortexa8/start.S
@@ -394,7 +394,7 @@ irq:
.align 5
fiq:
get_fiq_stack
- /* someone ought to write a more effiction fiq_save_user_regs */
+ /* someone ought to write a more effective fiq_save_user_regs */
irq_save_user_regs
bl do_fiq
irq_restore_user_regs
Index: u-boot-arm/cpu/arm_cortexa8/cpu.c
===================================================================
--- u-boot-arm.orig/cpu/arm_cortexa8/cpu.c
+++ u-boot-arm/cpu/arm_cortexa8/cpu.c
@@ -68,10 +68,9 @@ static void write_p15_c1(unsigned long v
static void cp_delay(void)
{
- volatile int i;
-
/* Many OMAP regs need at least 2 nops */
- for (i = 0; i < 100; i++) ;
+ asm("nop");
+ asm("nop");
}
/* See also ARM Ref. Man. */
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