From a8c7c708a9e0051c6358718c53572a4681eaa22b Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Sat, 6 Dec 2003 19:49:23 +0000
Subject: * Patch by Gleb Natapov, 19 Sep 2003:   Move most of the timer
 interrupt related PPC code to ppc_lib/interrupts.c

* Patch by Anders Larsen, 17 Sep 2003:
  Bring ARM memory layout in sync with the documentation:
  stack and malloc-heap are now located _below_ the U-Boot code
---
 cpu/mpc824x/interrupts.c | 99 +++---------------------------------------------
 1 file changed, 5 insertions(+), 94 deletions(-)

(limited to 'cpu/mpc824x')

diff --git a/cpu/mpc824x/interrupts.c b/cpu/mpc824x/interrupts.c
index 825857b..acb8947 100644
--- a/cpu/mpc824x/interrupts.c
+++ b/cpu/mpc824x/interrupts.c
@@ -27,62 +27,11 @@
 #include <asm/processor.h>
 #include <asm/pci_io.h>
 #include <commproc.h>
-#include <watchdog.h>
 #include "drivers/epic.h"
 
-/****************************************************************************/
-
-unsigned decrementer_count;		/* count val for 1e6/HZ microseconds */
-
-static __inline__ unsigned long get_msr (void)
-{
-	unsigned long msr;
-
-	asm volatile ("mfmsr %0":"=r" (msr):);
-
-	return msr;
-}
-
-static __inline__ void set_msr (unsigned long msr)
-{
-	asm volatile ("mtmsr %0"::"r" (msr));
-}
-
-static __inline__ unsigned long get_dec (void)
-{
-	unsigned long val;
-
-	asm volatile ("mfdec %0":"=r" (val):);
-
-	return val;
-}
-
-
-static __inline__ void set_dec (unsigned long val)
-{
-	asm volatile ("mtdec %0"::"r" (val));
-}
-
-
-void enable_interrupts (void)
+int interrupt_init_cpu (unsigned *decrementer_count)
 {
-	set_msr (get_msr () | MSR_EE);
-}
-
-/* returns flag if MSR_EE was set before */
-int disable_interrupts (void)
-{
-	ulong msr = get_msr ();
-
-	set_msr (msr & ~MSR_EE);
-	return ((msr & MSR_EE) != 0);
-}
-
-/****************************************************************************/
-
-int interrupt_init (void)
-{
-	decrementer_count = (get_bus_freq (0) / 4) / CFG_HZ;
+	*decrementer_count = (get_bus_freq (0) / 4) / CFG_HZ;
 
 	/*
 	 * It's all broken at the moment and I currently don't need
@@ -96,10 +45,6 @@ int interrupt_init (void)
 	/* EPIC won't generate INT unless Current Task Pri < 15 */
 	epicCurTaskPrioSet(0);
 
-	set_dec (decrementer_count);
-
-	set_msr (get_msr () | MSR_EE);
-
 	return (0);
 }
 
@@ -141,42 +86,8 @@ void irq_free_handler (int vec)
  vga?
  */
 
-volatile ulong timestamp = 0;
-
-void timer_interrupt (struct pt_regs *regs)
-{
-	/* Restore Decrementer Count */
-	set_dec (decrementer_count);
-
-	timestamp++;
-
-#if defined(CONFIG_WATCHDOG) || defined (CONFIG_HW_WATCHDOG)
-	if ((timestamp % (CFG_HZ / 2)) == 0) {
-		WATCHDOG_RESET ();
-	}
-#endif							/* CONFIG_WATCHDOG */
-#if defined(CONFIG_SHOW_ACTIVITY) && defined(CONFIG_OXC)
-	if ((timestamp % (CFG_HZ / 10)) == 0) {
-		{
-			extern void oxc_toggle_activeled (void);
-
-			oxc_toggle_activeled ();
-		}
-	}
-#endif
-}
-
-void reset_timer (void)
-{
-	timestamp = 0;
-}
-
-ulong get_timer (ulong base)
-{
-	return (timestamp - base);
-}
-
-void set_timer (ulong t)
+void timer_interrupt_cpu (struct pt_regs *regs, ulong timestamp)
 {
-	timestamp = t;
+	/* nothing to do here */
+	return;
 }
-- 
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