diff options
| -rw-r--r-- | arch/powerpc/platforms/ps3/setup.c | 12 | ||||
| -rw-r--r-- | drivers/ps3/ps3-sys-manager.c | 30 | ||||
| -rw-r--r-- | drivers/ps3/sys-manager-core.c | 16 | ||||
| -rw-r--r-- | include/asm-powerpc/ps3.h | 5 |
4 files changed, 44 insertions, 19 deletions
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 5c2cbb08eb5..c144669a0d3 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 d4f6f960dd1..1260b01a536 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 31648f7d9ae..474225852b6 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 2b693673eff..d01c701bd27 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; |