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-rw-r--r--cpu/ppc4xx/speed.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c
index 6cb93f3f17..c0a5824a63 100644
--- a/cpu/ppc4xx/speed.c
+++ b/cpu/ppc4xx/speed.c
@@ -394,7 +394,8 @@ void get_sys_info (sys_info_t *sysInfo)
sysInfo->freqUART = sysInfo->freqPLB;
/* Figure which timer source to use */
- if (mfspr(ccr1) & 0x0080) { /* External Clock, assume same as SYS_CLK */
+ if (mfspr(SPRN_CCR1) & 0x0080) {
+ /* External Clock, assume same as SYS_CLK */
temp = sysInfo->freqProcessor / 2; /* Max extern clock speed */
if (CONFIG_SYS_CLK_FREQ > temp)
sysInfo->freqTmrClk = temp;
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