Merge branch 'next/topic-cpuid-rev' into next/topic-add-exynos4212

3 files changed, 31 insertions, 8 deletions

diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
index 746d6fc6d397..0d281bbe345a 100644
--- a/arch/arm/mach-exynos4/cpu.c
+++ b/arch/arm/mach-exynos4/cpu.c
@@ -44,11 +44,6 @@ static struct map_desc exynos4_iodesc[] __initdata = {
                 .length         = SZ_4K,
                 .type           = MT_DEVICE,
         }, {
-                .virtual        = (unsigned long)S5P_VA_SYSRAM,
-                .pfn            = __phys_to_pfn(EXYNOS4_PA_SYSRAM),
-                .length         = SZ_4K,
-                .type           = MT_DEVICE,
-        }, {
                 .virtual        = (unsigned long)S5P_VA_CMU,
                 .pfn            = __phys_to_pfn(EXYNOS4_PA_CMU),
                 .length         = SZ_128K,
@@ -121,6 +116,24 @@ static struct map_desc exynos4_iodesc[] __initdata = {
         },
 };
 
+static struct map_desc exynos4_iodesc0[] __initdata = {
+        {
+                .virtual        = (unsigned long)S5P_VA_SYSRAM,
+                .pfn            = __phys_to_pfn(EXYNOS4_PA_SYSRAM0),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        },
+};
+
+static struct map_desc exynos4_iodesc1[] __initdata = {
+        {
+                .virtual        = (unsigned long)S5P_VA_SYSRAM,
+                .pfn            = __phys_to_pfn(EXYNOS4_PA_SYSRAM1),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        },
+};
+
 static void exynos4_idle(void)
 {
         if (!need_resched())
@@ -143,6 +156,11 @@ void __init exynos4_map_io(void)
 {
         iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc));
 
+        if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0)
+                iotable_init(exynos4_iodesc0, ARRAY_SIZE(exynos4_iodesc0));
+        else
+                iotable_init(exynos4_iodesc1, ARRAY_SIZE(exynos4_iodesc1));
+
         /* initialize device information early */
         exynos4_default_sdhci0();
         exynos4_default_sdhci1();
diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
index d32296dc65e2..7073ac730855 100644
--- a/arch/arm/mach-exynos4/include/mach/map.h
+++ b/arch/arm/mach-exynos4/include/mach/map.h
@@ -23,7 +23,8 @@
 
 #include <plat/map-s5p.h>
 
-#define EXYNOS4_PA_SYSRAM               0x02020000
+#define EXYNOS4_PA_SYSRAM0              0x02025000
+#define EXYNOS4_PA_SYSRAM1              0x02020000
 
 #define EXYNOS4_PA_FIMC0                0x11800000
 #define EXYNOS4_PA_FIMC1                0x11810000
diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c
index df6ef1b2f98b..a3346e36d0ae 100644
--- a/arch/arm/mach-exynos4/platsmp.c
+++ b/arch/arm/mach-exynos4/platsmp.c
@@ -30,9 +30,12 @@
 #include <mach/regs-clock.h>
 #include <mach/regs-pmu.h>
 
+#include <plat/cpu.h>
+
 extern void exynos4_secondary_startup(void);
 
-#define CPU1_BOOT_REG S5P_VA_SYSRAM
+#define CPU1_BOOT_REG           (samsung_rev() == EXYNOS4210_REV_1_1 ? \
+                                S5P_INFORM5 : S5P_VA_SYSRAM)
 
 /*
  * control for which core is the next to come out of the secondary
@@ -218,5 +221,6 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus)
          * until it receives a soft interrupt, and then the
          * secondary CPU branches to this address.
          */
-        __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)), S5P_VA_SYSRAM);
+        __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)),
+                        CPU1_BOOT_REG);
 }