This patch configures NR_BANKS by machine specific configuration.
NR_BANKS should be increased to support bigger than 2GB memory.
Signed-off-by: Boojin Kim <boojin.kim@xxxxxxxxxxx>
---
arch/arm/include/asm/setup.h | 6 ++----
arch/arm/mach-ep93xx/include/mach/memory.h | 4 ++++
arch/arm/mach-exynos/include/mach/memory.h | 4 ++++
3 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index 915696d..b91ec39 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -192,10 +192,8 @@ static const struct tagtable __tagtable_##fn __tag = { tag, fn }
/*
* Memory map description
*/
-#ifdef CONFIG_ARCH_EP93XX
-# define NR_BANKS 16
-#else
-# define NR_BANKS 8
+#ifndef NR_BANKS
+#define NR_BANKS 8
#endif
struct membank {
diff --git a/arch/arm/mach-ep93xx/include/mach/memory.h b/arch/arm/mach-ep93xx/include/mach/memory.h
index c9400cf..2c0462e 100644
--- a/arch/arm/mach-ep93xx/include/mach/memory.h
+++ b/arch/arm/mach-ep93xx/include/mach/memory.h
@@ -19,4 +19,8 @@
#error "Kconfig bug: No EP93xx PHYS_OFFSET set"
#endif
+#if defined(CONFIG_ARCH_EP93XX)
+#define NR_BANKS 16
+#endif
+
#endif
diff --git a/arch/arm/mach-exynos/include/mach/memory.h b/arch/arm/mach-exynos/include/mach/memory.h
index 374ef2c..b7e146c 100644
--- a/arch/arm/mach-exynos/include/mach/memory.h
+++ b/arch/arm/mach-exynos/include/mach/memory.h
@@ -15,6 +15,10 @@
#define PLAT_PHYS_OFFSET UL(0x40000000)
+#if defined(CONFIG_MACH_SMDKV310)
+#define NR_BANKS 16
+#endif
+
/* Maximum of 256MiB in one bank */
#define MAX_PHYSMEM_BITS 32
#define SECTION_SIZE_BITS 28
--
1.7.1
--
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