[patch 2/4] 4xx: Fix timebase clock selection on Walnut

Josh Boyer jwboyer at linux.vnet.ibm.com
Sat Oct 20 00:53:10 EST 2007


The current bootwrapper fails to set the timebase clock to the CPU clock
which causes the time to increment incorrectly.  This fixes it by using the
correct #define for the CPC0_CR1 register.

Signed-off-by: Josh Boyer <jwboyer at linux.vnet.ibm.com>
---
 arch/powerpc/boot/treeboot-walnut.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- linux-2.6.orig/arch/powerpc/boot/treeboot-walnut.c
+++ linux-2.6/arch/powerpc/boot/treeboot-walnut.c
@@ -57,8 +57,8 @@ void ibm405gp_fixup_clocks(unsigned int 
 	}
 
 	/* setup the timebase clock to tick at the cpu frequency */
-	cpc0_cr1 = cpc0_cr1 & ~ 0x00800000;
-	mtdcr(DCRN_CPC0_CR1, cpc0_cr1);
+	cpc0_cr1 = cpc0_cr1 & ~0x00800000;
+	mtdcr(DCRN_405_CPC0_CR1, cpc0_cr1);
 	tb = cpu;
 
 	dt_fixup_cpu_clocks(cpu, tb, 0);

-- 




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