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authorMagnus Damm <damm@opensource.se>2013-02-13 13:46:48 (GMT)
committerSimon Horman <horms+renesas@verge.net.au>2013-03-12 17:13:19 (GMT)
commit3b94afa38350ad5b592df5b6539a20a253e04b53 (patch)
tree9722a2cef4f6bf745b5f1757a4572dcaf07cef0a /arch/arm/mach-shmobile/smp-r8a7779.c
parentaa8d3bb177a3ba64407d98c75d5c6c5130ff2182 (diff)
downloadlinux-3b94afa38350ad5b592df5b6539a20a253e04b53.tar.xz
ARM: shmobile: Kill off r8a7779 scu_base_addr() function
Replace scu_base_addr() with a static shmobile_scu_base variable and introduce R8A7779_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>
Diffstat (limited to 'arch/arm/mach-shmobile/smp-r8a7779.c')
-rw-r--r--arch/arm/mach-shmobile/smp-r8a7779.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c
index f46b516..d92188d 100644
--- a/arch/arm/mach-shmobile/smp-r8a7779.c
+++ b/arch/arm/mach-shmobile/smp-r8a7779.c
@@ -31,6 +31,9 @@
#include <asm/smp_twd.h>
#define AVECR IOMEM(0xfe700040)
+#define R8A7779_SCU_BASE IOMEM(0xf0000000)
+
+static void __iomem *shmobile_scu_base;
static struct r8a7779_pm_ch r8a7779_ch_cpu1 = {
.chan_offs = 0x40, /* PWRSR0 .. PWRER0 */
@@ -56,11 +59,6 @@ static struct r8a7779_pm_ch *r8a7779_ch_cpu[4] = {
[3] = &r8a7779_ch_cpu3,
};
-static void __iomem *scu_base_addr(void)
-{
- return (void __iomem *)0xf0000000;
-}
-
static DEFINE_SPINLOCK(scu_lock);
static unsigned long tmp;
@@ -75,7 +73,7 @@ void __init r8a7779_register_twd(void)
static void modify_scu_cpu_psr(unsigned long set, unsigned long clr)
{
- void __iomem *scu_base = scu_base_addr();
+ void __iomem *scu_base = shmobile_scu_base;
spin_lock(&scu_lock);
tmp = __raw_readl(scu_base + 8);
@@ -153,7 +151,7 @@ static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus)
{
int cpu = cpu_logical_map(0);
- scu_enable(scu_base_addr());
+ scu_enable(shmobile_scu_base);
/* Map the reset vector (in headsmp.S) */
__raw_writel(__pa(shmobile_secondary_vector), AVECR);
@@ -171,9 +169,10 @@ static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus)
static void __init r8a7779_smp_init_cpus(void)
{
- unsigned int ncores = scu_get_core_count(scu_base_addr());
+ /* setup r8a7779 specific SCU base */
+ shmobile_scu_base = R8A7779_SCU_BASE;
- shmobile_smp_init_cpus(ncores);
+ shmobile_smp_init_cpus(scu_get_core_count(shmobile_scu_base));
}
struct smp_operations r8a7779_smp_ops __initdata = {