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-rw-r--r--cpu/mpc83xx/interrupts.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/cpu/mpc83xx/interrupts.c b/cpu/mpc83xx/interrupts.c
index 53474f6..dfd51c1 100644
--- a/cpu/mpc83xx/interrupts.c
+++ b/cpu/mpc83xx/interrupts.c
@@ -43,6 +43,16 @@ struct irq_action {
int interrupt_init_cpu (unsigned *decrementer_count)
{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ volatile immap_t *immr = (immap_t *) CFG_IMMRBAR;
+
+ *decrementer_count = (gd->bus_clk / 4) / CFG_HZ;
+
+ /* Enable e300 time base */
+
+ immr->sysconf.spcr |= 0x00400000;
+
return 0;
}