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arm:s5pc110: add cpu revision

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This patch adds s5p_cpu_rev.

Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Piotr Wilczek 2014-01-22 15:54:31 +01:00 committed by Minkyu Kang
parent 34991bbf47
commit d1cbf0a5ad
1 changed files with 7 additions and 0 deletions
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7
arch/arm/include/asm/arch-s5pc1xx/cpu.h
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@ -51,10 +51,17 @@
#include <asm/io.h>
/* 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);
}