diff options
| -rw-r--r-- | arch/arm/mach-highbank/highbank.c | 21 | ||||
| -rw-r--r-- | arch/arm/mach-highbank/hotplug.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-highbank/platsmp.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-highbank/pm.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-highbank/sysregs.h | 19 | ||||
| -rw-r--r-- | arch/arm/mach-highbank/system.c | 2 |
6 files changed, 29 insertions, 29 deletions
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 40e36a50304c..3da921a1a7f6 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -28,30 +28,19 @@ #include <asm/cacheflush.h> #include <asm/smp_plat.h> -#include <asm/smp_scu.h> #include <asm/smp_twd.h> #include <asm/hardware/arm_timer.h> #include <asm/hardware/timer-sp.h> #include <asm/hardware/gic.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> -#include <asm/mach/map.h> #include <asm/mach/time.h> #include "core.h" #include "sysregs.h" void __iomem *sregs_base; - -#define HB_SCU_VIRT_BASE 0xfee00000 -void __iomem *scu_base_addr = ((void __iomem *)(HB_SCU_VIRT_BASE)); - -static struct map_desc scu_io_desc __initdata = { - .virtual = HB_SCU_VIRT_BASE, - .pfn = 0, /* run-time */ - .length = SZ_4K, - .type = MT_DEVICE, -}; +void __iomem *scu_base_addr; static void __init highbank_scu_map_io(void) { @@ -60,13 +49,11 @@ static void __init highbank_scu_map_io(void) /* Get SCU base */ asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (base)); - scu_io_desc.pfn = __phys_to_pfn(base); - iotable_init(&scu_io_desc, 1); + scu_base_addr = ioremap(base, SZ_4K); } static void __init highbank_map_io(void) { - highbank_scu_map_io(); highbank_lluart_map_io(); } @@ -99,6 +86,9 @@ static void __init highbank_init_irq(void) { of_irq_init(irq_match); + if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9")) + highbank_scu_map_io(); + #ifdef CONFIG_CACHE_L2X0 /* Enable PL310 L2 Cache controller */ highbank_smc1(0x102, 0x1); @@ -145,7 +135,6 @@ static struct sys_timer highbank_timer = { static void highbank_power_off(void) { hignbank_set_pwr_shutdown(); - scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); while (1) cpu_do_idle(); diff --git a/arch/arm/mach-highbank/hotplug.c b/arch/arm/mach-highbank/hotplug.c index 2c1b8c3c8e45..7b60faccd551 100644 --- a/arch/arm/mach-highbank/hotplug.c +++ b/arch/arm/mach-highbank/hotplug.c @@ -14,13 +14,11 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/smp.h> -#include <asm/smp_scu.h> #include <asm/cacheflush.h> #include "core.h" +#include "sysregs.h" extern void secondary_startup(void); @@ -33,7 +31,7 @@ void __ref highbank_cpu_die(unsigned int cpu) flush_cache_all(); highbank_set_cpu_jump(cpu, secondary_startup); - scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); + highbank_set_core_pwr(); cpu_do_idle(); diff --git a/arch/arm/mach-highbank/platsmp.c b/arch/arm/mach-highbank/platsmp.c index fa9560ec6e70..1129957f6c1d 100644 --- a/arch/arm/mach-highbank/platsmp.c +++ b/arch/arm/mach-highbank/platsmp.c @@ -42,9 +42,7 @@ static int __cpuinit highbank_boot_secondary(unsigned int cpu, struct task_struc */ static void __init highbank_smp_init_cpus(void) { - unsigned int i, ncores; - - ncores = scu_get_core_count(scu_base_addr); + unsigned int i, ncores = 4; /* sanity check */ if (ncores > NR_CPUS) { @@ -65,7 +63,8 @@ static void __init highbank_smp_prepare_cpus(unsigned int max_cpus) { int i; - scu_enable(scu_base_addr); + if (scu_base_addr) + scu_enable(scu_base_addr); /* * Write the address of secondary startup into the jump table diff --git a/arch/arm/mach-highbank/pm.c b/arch/arm/mach-highbank/pm.c index de866f21331f..74aa135966f0 100644 --- a/arch/arm/mach-highbank/pm.c +++ b/arch/arm/mach-highbank/pm.c @@ -19,7 +19,6 @@ #include <linux/suspend.h> #include <asm/proc-fns.h> -#include <asm/smp_scu.h> #include <asm/suspend.h> #include "core.h" @@ -35,8 +34,6 @@ static int highbank_pm_enter(suspend_state_t state) { hignbank_set_pwr_suspend(); highbank_set_cpu_jump(0, cpu_resume); - - scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); cpu_suspend(0, highbank_suspend_finish); return 0; diff --git a/arch/arm/mach-highbank/sysregs.h b/arch/arm/mach-highbank/sysregs.h index 0e913389f445..e13e8ea7c6cb 100644 --- a/arch/arm/mach-highbank/sysregs.h +++ b/arch/arm/mach-highbank/sysregs.h @@ -17,6 +17,10 @@ #define _MACH_HIGHBANK__SYSREGS_H_ #include <linux/io.h> +#include <linux/smp.h> +#include <asm/smp_plat.h> +#include <asm/smp_scu.h> +#include "core.h" extern void __iomem *sregs_base; @@ -29,24 +33,39 @@ extern void __iomem *sregs_base; #define HB_PWR_HARD_RESET 2 #define HB_PWR_SHUTDOWN 3 +#define SREG_CPU_PWR_CTRL(c) (0x200 + ((c) * 4)) + +static inline void highbank_set_core_pwr(void) +{ + int cpu = cpu_logical_map(smp_processor_id()); + if (scu_base_addr) + scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); + else + writel_relaxed(1, sregs_base + SREG_CPU_PWR_CTRL(cpu)); +} + static inline void hignbank_set_pwr_suspend(void) { writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ); + highbank_set_core_pwr(); } static inline void hignbank_set_pwr_shutdown(void) { writel(HB_PWR_SHUTDOWN, sregs_base + HB_SREG_A9_PWR_REQ); + highbank_set_core_pwr(); } static inline void hignbank_set_pwr_soft_reset(void) { writel(HB_PWR_SOFT_RESET, sregs_base + HB_SREG_A9_PWR_REQ); + highbank_set_core_pwr(); } static inline void hignbank_set_pwr_hard_reset(void) { writel(HB_PWR_HARD_RESET, sregs_base + HB_SREG_A9_PWR_REQ); + highbank_set_core_pwr(); } #endif diff --git a/arch/arm/mach-highbank/system.c b/arch/arm/mach-highbank/system.c index 82c27230d4a9..194a5bbb7363 100644 --- a/arch/arm/mach-highbank/system.c +++ b/arch/arm/mach-highbank/system.c @@ -14,7 +14,6 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/io.h> -#include <asm/smp_scu.h> #include <asm/proc-fns.h> #include "core.h" @@ -27,7 +26,6 @@ void highbank_restart(char mode, const char *cmd) else hignbank_set_pwr_soft_reset(); - scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); cpu_do_idle(); } |