From edd6cf20e1be63f84e0f5af0280473cf31f0e86c Mon Sep 17 00:00:00 2001 From: Marian Balakowicz Date: Thu, 6 Jul 2006 21:17:24 +0200 Subject: Fix timer problems on AMCC yucca board. Set Timer Clock Select to use CPU clock as a timer input source. --- cpu/ppc4xx/start.S | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'cpu/ppc4xx/start.S') diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 17d3aa32ed..0a6f81de44 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -158,7 +158,7 @@ _start_440: /*----------------------------------------------------------------+ | Core bug fix. Clear the esr +-----------------------------------------------------------------*/ - addi r0,r0,0x0000 + li r0,0 mtspr esr,r0 /*----------------------------------------------------------------*/ /* Clear and set up some registers. */ @@ -217,17 +217,15 @@ _start_440: | g. FCOM: Normal operation | h. MMUPEI: Record even parity. Normal operation. | i. FFF: Flush only as much data as necessary. - | j. TCS: Timebase increments from externally supplied clock + | j. TCS: Timebase increments from CPU clock. +-----------------------------------------------------------------*/ - addis r0, r0, 0x0000 - ori r0, r0, 0x0080 + li r0,0 mtspr ccr1, r0 /*----------------------------------------------------------------+ | Reset the timebase. | The previous write to CCR1 sets the timebase source. +-----------------------------------------------------------------*/ - addi r0, r0, 0x0000 mtspr tbl, r0 mtspr tbu, r0 #endif -- cgit v1.2.1