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S5PC2XX: Support the cpu revision

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S5PC210 SoC have two cpu revisions, and have some difference.
So, support the cpu revision for each revision.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Minkyu Kang 2011-05-16 19:45:54 +09:00
parent b0ad862177
commit 5d845f2758
2 changed files with 13 additions and 1 deletions
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2
arch/arm/cpu/armv7/s5p-common/cpu_info.c
View File

@ -26,6 +26,8 @@
/* Default is s5pc100 */
unsigned int s5p_cpu_id = 0xC100;
/* Default is EVT1 */
unsigned int s5p_cpu_rev = 1;
#ifdef CONFIG_ARCH_CPU_INIT
int arch_cpu_init(void)

12
arch/arm/include/asm/arch-s5pc2xx/cpu.h
View File

@ -51,6 +51,12 @@
#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)
{
@ -61,8 +67,12 @@ static inline void s5p_set_cpu_id(void)
* 0xC200: S5PC210 EVT0
* 0xC210: S5PC210 EVT1
*/
if (s5p_cpu_id == 0xC200)
if (s5p_cpu_id == 0xC200) {
s5p_cpu_id |= 0x10;
s5p_cpu_rev = 0;
} else if (s5p_cpu_id == 0xC210) {
s5p_cpu_rev = 1;
}
}
#define IS_SAMSUNG_TYPE(type, id) \