Enable time handling on 83xx

Patch by Kumar Gala, 11 Jan 2006

2 files changed, 13 insertions, 0 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 4f4073346b..dae3cdc1d1 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,9 @@
 Changes since U-Boot 1.1.4:
 ======================================================================
 
+* Enable time handling on 83xx
+  Patch by Kumar Gala, 11 Jan 2006
+
 * Make System IO Config Registers board configurable on MPC83xx
   Patch by Kumar Gala, 11 Jan 2006
 
diff --git a/cpu/mpc83xx/interrupts.c b/cpu/mpc83xx/interrupts.c
index 53474f60c9..dfd51c15fe 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;
 }