Enable time handling on 83xx

Patch by Kumar Gala, 11 Jan 2006

diff --git a/CHANGELOG b/CHANGELOG
index 4f40733..dae3cdc 100644 (file)
--- 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 53474f6..dfd51c1 100644 (file)
--- 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;
 }