ARM: shmobile: Kill off sh73a0 scu_base_addr() function
authorMagnus Damm <damm@opensource.se>
Wed, 13 Feb 2013 13:46:38 +0000 (22:46 +0900)
committerSimon Horman <horms+renesas@verge.net.au>
Tue, 12 Mar 2013 17:13:19 +0000 (02:13 +0900)
Replace scu_base_addr() with a static shmobile_scu_base
variable and introduce SH73A0_SCU_BASE.

Later in the series the shmobile_scu_base variable will be
made into a global variable so this is preparation only.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
arch/arm/mach-shmobile/smp-sh73a0.c

index 81c0f4ba18462fa05970b00b0a36d1c21d3dd30f..0757f4a94bf55d71c75ea45b52a463bb0307c5f8 100644 (file)
 
 #define PSTR_SHUTDOWN_MODE     3
 
-static void __iomem *scu_base_addr(void)
-{
-       return (void __iomem *)0xf0000000;
-}
+#define SH73A0_SCU_BASE IOMEM(0xf0000000)
+
+static void __iomem *shmobile_scu_base;
 
 #ifdef CONFIG_HAVE_ARM_TWD
-static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29);
+static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, SH73A0_SCU_BASE + 0x600, 29);
 void __init sh73a0_register_twd(void)
 {
        twd_local_timer_register(&twd_local_timer);
@@ -71,21 +70,22 @@ static int __cpuinit sh73a0_boot_secondary(unsigned int cpu, struct task_struct
 
 static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus)
 {
-       scu_enable(scu_base_addr());
+       scu_enable(shmobile_scu_base);
 
        /* Map the reset vector (in headsmp-sh73a0.S) */
        __raw_writel(0, APARMBAREA);      /* 4k */
        __raw_writel(__pa(sh73a0_secondary_vector), SBAR);
 
        /* enable cache coherency on booting CPU */
-       scu_power_mode(scu_base_addr(), SCU_PM_NORMAL);
+       scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL);
 }
 
 static void __init sh73a0_smp_init_cpus(void)
 {
-       unsigned int ncores = scu_get_core_count(scu_base_addr());
+       /* setup sh73a0 specific SCU base */
+       shmobile_scu_base = SH73A0_SCU_BASE;
 
-       shmobile_smp_init_cpus(ncores);
+       shmobile_smp_init_cpus(scu_get_core_count(shmobile_scu_base));
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -121,7 +121,7 @@ static void sh73a0_cpu_die(unsigned int cpu)
        flush_cache_all();
 
        /* Set power off mode. This takes the CPU out of the MP cluster */
-       scu_power_mode(scu_base_addr(), SCU_PM_POWEROFF);
+       scu_power_mode(shmobile_scu_base, SCU_PM_POWEROFF);
 
        /* Enter shutdown mode */
        cpu_do_idle();