[PATCH][MIPS][1/2] vr41xx: add default restart routine

[PATCH][MIPS][1/2] vr41xx: add default restart routine

[Yoichi Yuasa]

Add vr41xx default restart routine.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>

diff -pruN -X mips/Documentation/dontdiff mips-orig/arch/mips/vr41xx/common/pmu.c mips/arch/mips/vr41xx/common/pmu.c
--- mips-orig/arch/mips/vr41xx/common/pmu.c	2007-08-06 13:07:41.877342750 +0900
+++ mips/arch/mips/vr41xx/common/pmu.c	2007-08-06 13:16:26.430125250 +0900
@@ -25,6 +25,7 @@
 #include <linux/sched.h>
 #include <linux/types.h>
 
+#include <asm/cacheflush.h>
 #include <asm/cpu.h>
 #include <asm/io.h>
 #include <asm/processor.h>
@@ -70,6 +71,11 @@ static inline void software_reset(void)
 		pmu_write(PMUCNT2REG, pmucnt2);
 		break;
 	default:
+		set_c0_status(ST0_BEV | ST0_ERL);
+		change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
+		flush_cache_all();
+		write_c0_wired(0);
+		__asm__("jr     %0"::"r"(0xbfc00000));
 		break;
 	}
 }
@@ -78,7 +84,6 @@ static void vr41xx_restart(char *command
 {
 	local_irq_disable();
 	software_reset();
-	printk(KERN_NOTICE "\nYou can reset your system\n");
 	while (1) ;
 }
 

[PATCH][MIPS][2/2] vr41xx: replace infinite loop with hibernate

[Yoichi Yuasa]

Replace infinite loop with hibernate.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>

diff -pruN -X mips/Documentation/dontdiff mips-orig/arch/mips/vr41xx/common/pmu.c mips/arch/mips/vr41xx/common/pmu.c
--- mips-orig/arch/mips/vr41xx/common/pmu.c	2007-08-06 13:21:36.621511000 +0900
+++ mips/arch/mips/vr41xx/common/pmu.c	2007-08-06 13:22:17.712079000 +0900
@@ -91,14 +91,7 @@ static void vr41xx_halt(void)
 {
 	local_irq_disable();
 	printk(KERN_NOTICE "\nYou can turn off the power supply\n");
-	while (1) ;
-}
-
-static void vr41xx_power_off(void)
-{
-	local_irq_disable();
-	printk(KERN_NOTICE "\nYou can turn off the power supply\n");
-	while (1) ;
+	__asm__("hibernate;\n");
 }
 
 static int __init vr41xx_pmu_init(void)
@@ -134,7 +127,7 @@ static int __init vr41xx_pmu_init(void)
 	cpu_wait = vr41xx_cpu_wait;
 	_machine_restart = vr41xx_restart;
 	_machine_halt = vr41xx_halt;
-	pm_power_off = vr41xx_power_off;
+	pm_power_off = vr41xx_halt;
 
 	return 0;
 }

Re: [PATCH][MIPS][2/2] vr41xx: replace infinite loop with hibernate

[Ralf Baechle]

On Thu, Aug 16, 2007 at 10:27:05PM +0900, Yoichi Yuasa wrote:

> Replace infinite loop with hibernate.

Thanks, queued up for 2.6.24.

  Ralf

Re: [PATCH][MIPS][1/2] vr41xx: add default restart routine

[Ralf Baechle]

On Thu, Aug 16, 2007 at 10:20:11PM +0900, Yoichi Yuasa wrote:

Thanks, queued up for 2.6.24.

  Ralf