Allow generic_calibrate_decr to work for 40x platforms. Given that the hardware
behavior is identical, this also changes the set_dec function to reload the PIT
on 40x to match the behavior 44x currently has.
Signed-off-by: Josh Boyer <[EMAIL PROTECTED]>
---
arch/powerpc/kernel/time.c | 2 +-
include/asm-powerpc/time.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- linux-2.6.orig/arch/powerpc/kernel/time.c
+++ linux-2.6/arch/powerpc/kernel/time.c
@@ -867,7 +867,7 @@ void __init generic_calibrate_decr(void)
"(not found)\n");
}
-#ifdef CONFIG_BOOKE
+#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
/* Set the time base to zero */
mtspr(SPRN_TBWL, 0);
mtspr(SPRN_TBWU, 0);
--- linux-2.6.orig/include/asm-powerpc/time.h
+++ linux-2.6/include/asm-powerpc/time.h
@@ -174,7 +174,7 @@ static inline unsigned int get_dec(void)
static inline void set_dec(int val)
{
#if defined(CONFIG_40x)
- return; /* Have to let it auto-reload */
+ mtspr(SPRN_PIT, val);
#elif defined(CONFIG_8xx_CPU6)
set_dec_cpu6(val);
#else
--
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