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-rw-r--r--arch/powerpc/platforms/ps3/setup.c12
-rw-r--r--drivers/ps3/ps3-sys-manager.c30
-rw-r--r--drivers/ps3/sys-manager-core.c16
-rw-r--r--include/asm-powerpc/ps3.h5
4 files changed, 44 insertions, 19 deletions
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index 5c2cbb08eb52..c144669a0d3f 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -95,6 +95,14 @@ static void ps3_power_off(void)
ps3_sys_manager_power_off(); /* never returns */
}
+static void ps3_halt(void)
+{
+ DBG("%s:%d\n", __func__, __LINE__);
+
+ smp_send_stop();
+ ps3_sys_manager_halt(); /* never returns */
+}
+
static void ps3_panic(char *str)
{
DBG("%s:%d %s\n", __func__, __LINE__, str);
@@ -105,7 +113,8 @@ static void ps3_panic(char *str)
printk(" Please press POWER button.\n");
printk("\n");
- while(1);
+ while(1)
+ lv1_pause(1);
}
#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) || \
@@ -266,6 +275,7 @@ define_machine(ps3) {
.progress = ps3_progress,
.restart = ps3_restart,
.power_off = ps3_power_off,
+ .halt = ps3_halt,
#if defined(CONFIG_KEXEC)
.kexec_cpu_down = ps3_kexec_cpu_down,
.machine_kexec = default_machine_kexec,
diff --git a/drivers/ps3/ps3-sys-manager.c b/drivers/ps3/ps3-sys-manager.c
index d4f6f960dd18..1260b01a5361 100644
--- a/drivers/ps3/ps3-sys-manager.c
+++ b/drivers/ps3/ps3-sys-manager.c
@@ -24,6 +24,7 @@
#include <linux/reboot.h>
#include <asm/firmware.h>
+#include <asm/lv1call.h>
#include <asm/ps3.h>
#include "vuart.h"
@@ -581,6 +582,23 @@ fail_id:
return -EIO;
}
+static void ps3_sys_manager_fin(struct ps3_system_bus_device *dev)
+{
+ ps3_sys_manager_send_request_shutdown(dev);
+
+ pr_emerg("System Halted, OK to turn off power\n");
+
+ while (ps3_sys_manager_handle_msg(dev)) {
+ /* pause until next DEC interrupt */
+ lv1_pause(0);
+ }
+
+ while (1) {
+ /* pause, ignoring DEC interrupt */
+ lv1_pause(1);
+ }
+}
+
/**
* ps3_sys_manager_final_power_off - The final platform machine_power_off routine.
*
@@ -602,12 +620,8 @@ static void ps3_sys_manager_final_power_off(struct ps3_system_bus_device *dev)
ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_SYS_SHUTDOWN,
PS3_SM_WAKE_DEFAULT);
- ps3_sys_manager_send_request_shutdown(dev);
-
- pr_emerg("System Halted, OK to turn off power\n");
- while (1)
- ps3_sys_manager_handle_msg(dev);
+ ps3_sys_manager_fin(dev);
}
/**
@@ -639,12 +653,8 @@ static void ps3_sys_manager_final_restart(struct ps3_system_bus_device *dev)
ps3_sys_manager_send_attr(dev, 0);
ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_SYS_REBOOT,
PS3_SM_WAKE_DEFAULT);
- ps3_sys_manager_send_request_shutdown(dev);
-
- pr_emerg("System Halted, OK to turn off power\n");
- while (1)
- ps3_sys_manager_handle_msg(dev);
+ ps3_sys_manager_fin(dev);
}
/**
diff --git a/drivers/ps3/sys-manager-core.c b/drivers/ps3/sys-manager-core.c
index 31648f7d9ae1..474225852b63 100644
--- a/drivers/ps3/sys-manager-core.c
+++ b/drivers/ps3/sys-manager-core.c
@@ -19,6 +19,7 @@
*/
#include <linux/kernel.h>
+#include <asm/lv1call.h>
#include <asm/ps3.h>
/**
@@ -50,10 +51,7 @@ void ps3_sys_manager_power_off(void)
if (ps3_sys_manager_ops.power_off)
ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev);
- printk(KERN_EMERG "System Halted, OK to turn off power\n");
- local_irq_disable();
- while (1)
- (void)0;
+ ps3_sys_manager_halt();
}
void ps3_sys_manager_restart(void)
@@ -61,8 +59,14 @@ void ps3_sys_manager_restart(void)
if (ps3_sys_manager_ops.restart)
ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
- printk(KERN_EMERG "System Halted, OK to turn off power\n");
+ ps3_sys_manager_halt();
+}
+
+void ps3_sys_manager_halt(void)
+{
+ pr_emerg("System Halted, OK to turn off power\n");
local_irq_disable();
while (1)
- (void)0;
+ lv1_pause(1);
}
+
diff --git a/include/asm-powerpc/ps3.h b/include/asm-powerpc/ps3.h
index 2b693673eff4..d01c701bd27b 100644
--- a/include/asm-powerpc/ps3.h
+++ b/include/asm-powerpc/ps3.h
@@ -434,8 +434,9 @@ struct ps3_sys_manager_ops {
};
void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops);
-void ps3_sys_manager_power_off(void);
-void ps3_sys_manager_restart(void);
+void __noreturn ps3_sys_manager_power_off(void);
+void __noreturn ps3_sys_manager_restart(void);
+void __noreturn ps3_sys_manager_halt(void);
struct ps3_prealloc {
const char *name;

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