1 #ifndef __ASM_MACH_CPUTYPE_H
2 #define __ASM_MACH_CPUTYPE_H
3 
4 #include <asm/cputype.h>
5 
6 /*
7  *  CPU   Stepping   CPU_ID      CHIP_ID
8  *
9  * PXA168    S0    0x56158400   0x0000C910
10  * PXA168    A0    0x56158400   0x00A0A168
11  * PXA910    Y1    0x56158400   0x00F2C920
12  * PXA910    A0    0x56158400   0x00F2C910
13  * PXA910    A1    0x56158400   0x00A0C910
14  * PXA920    Y0    0x56158400   0x00F2C920
15  * PXA920    A0    0x56158400   0x00A0C920
16  * PXA920    A1    0x56158400   0x00A1C920
17  * MMP2	     Z0	   0x560f5811   0x00F00410
18  * MMP2      Z1    0x560f5811   0x00E00410
19  * MMP2      A0    0x560f5811   0x00A0A610
20  */
21 
22 extern unsigned int mmp_chip_id;
23 
24 #ifdef CONFIG_CPU_PXA168
cpu_is_pxa168(void)25 static inline int cpu_is_pxa168(void)
26 {
27 	return (((read_cpuid_id() >> 8) & 0xff) == 0x84) &&
28 		((mmp_chip_id & 0xfff) == 0x168);
29 }
30 #else
31 #define cpu_is_pxa168()	(0)
32 #endif
33 
34 /* cpu_is_pxa910() is shared on both pxa910 and pxa920 */
35 #ifdef CONFIG_CPU_PXA910
cpu_is_pxa910(void)36 static inline int cpu_is_pxa910(void)
37 {
38 	return (((read_cpuid_id() >> 8) & 0xff) == 0x84) &&
39 		(((mmp_chip_id & 0xfff) == 0x910) ||
40 		 ((mmp_chip_id & 0xfff) == 0x920));
41 }
42 #else
43 #define cpu_is_pxa910()	(0)
44 #endif
45 
46 #ifdef CONFIG_CPU_MMP2
cpu_is_mmp2(void)47 static inline int cpu_is_mmp2(void)
48 {
49 	return (((read_cpuid_id() >> 8) & 0xff) == 0x58);
50 }
51 #else
52 #define cpu_is_mmp2()	(0)
53 #endif
54 
55 #endif /* __ASM_MACH_CPUTYPE_H */
56