diff options
Diffstat (limited to 'arch/arm/mach-shmobile/smp-sh73a0.c')
| -rw-r--r-- | arch/arm/mach-shmobile/smp-sh73a0.c | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index 624f00f70ab..96ddb97babb 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -41,9 +41,6 @@ static void __iomem *scu_base_addr(void) return (void __iomem *)0xf0000000; } -static DEFINE_SPINLOCK(scu_lock); -static unsigned long tmp; - #ifdef CONFIG_HAVE_ARM_TWD static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29); void __init sh73a0_register_twd(void) @@ -52,20 +49,6 @@ void __init sh73a0_register_twd(void) } #endif -static void modify_scu_cpu_psr(unsigned long set, unsigned long clr) -{ - void __iomem *scu_base = scu_base_addr(); - - spin_lock(&scu_lock); - tmp = __raw_readl(scu_base + 8); - tmp &= ~clr; - tmp |= set; - spin_unlock(&scu_lock); - - /* disable cache coherency after releasing the lock */ - __raw_writel(tmp, scu_base + 8); -} - static unsigned int __init sh73a0_get_core_count(void) { void __iomem *scu_base = scu_base_addr(); @@ -83,7 +66,7 @@ static int __cpuinit sh73a0_boot_secondary(unsigned int cpu, struct task_struct cpu = cpu_logical_map(cpu); /* enable cache coherency */ - modify_scu_cpu_psr(0, 3 << (cpu * 8)); + scu_power_mode(scu_base_addr(), 0); if (((__raw_readl(PSTR) >> (4 * cpu)) & 3) == 3) __raw_writel(1 << cpu, WUPCR); /* wake up */ @@ -95,8 +78,6 @@ static int __cpuinit sh73a0_boot_secondary(unsigned int cpu, struct task_struct static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus) { - int cpu = cpu_logical_map(0); - scu_enable(scu_base_addr()); /* Map the reset vector (in headsmp.S) */ @@ -104,7 +85,7 @@ static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus) __raw_writel(__pa(shmobile_secondary_vector), SBAR); /* enable cache coherency on CPU0 */ - modify_scu_cpu_psr(0, 3 << (cpu * 8)); + scu_power_mode(scu_base_addr(), 0); } static void __init sh73a0_smp_init_cpus(void) |