From patchwork Tue Jan 14 07:59:05 2014
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From: Piotr Wilczek
To: u-boot@lists.denx.de
Date: Tue, 14 Jan 2014 08:59:05 +0100
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Cc: Piotr Wilczek ,
Kyungmin Park
Subject: [U-Boot] [PATCH 2/7] arm:s5pc110: add cpu revision
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This patch adds s5p_cpu_rev.
Signed-off-by: Piotr Wilczek
Signed-off-by: Kyungmin Park
---
arch/arm/include/asm/arch-s5pc1xx/cpu.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/include/asm/arch-s5pc1xx/cpu.h b/arch/arm/include/asm/arch-s5pc1xx/cpu.h
index 4fc5a0c..5ae5c87 100644
--- a/arch/arm/include/asm/arch-s5pc1xx/cpu.h
+++ b/arch/arm/include/asm/arch-s5pc1xx/cpu.h
@@ -51,10 +51,17 @@
#include
/* CPU detection macros */
extern unsigned int s5p_cpu_id;
+extern unsigned int s5p_cpu_rev;
+
+static inline int s5p_get_cpu_rev(void)
+{
+ return s5p_cpu_rev;
+}
static inline void s5p_set_cpu_id(void)
{
s5p_cpu_id = readl(S5PC100_PRO_ID);
+ s5p_cpu_rev = s5p_cpu_id & 0x000000FF;
s5p_cpu_id = 0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12);
}