1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_MACH_CPUTYPE_H
3 #define __ASM_MACH_CPUTYPE_H
4
5 #if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
6 #include <asm/cputype.h>
7 #endif
8
9 /*
10 * CPU Stepping CPU_ID CHIP_ID
11 *
12 * PXA168 S0 0x56158400 0x0000C910
13 * PXA168 A0 0x56158400 0x00A0A168
14 * PXA910 Y1 0x56158400 0x00F2C920
15 * PXA910 A0 0x56158400 0x00F2C910
16 * PXA910 A1 0x56158400 0x00A0C910
17 * PXA920 Y0 0x56158400 0x00F2C920
18 * PXA920 A0 0x56158400 0x00A0C920
19 * PXA920 A1 0x56158400 0x00A1C920
20 * MMP2 Z0 0x560f5811 0x00F00410
21 * MMP2 Z1 0x560f5811 0x00E00410
22 * MMP2 A0 0x560f5811 0x00A0A610
23 * MMP3 A0 0x562f5842 0x00A02128
24 * MMP3 B0 0x562f5842 0x00B02128
25 */
26
27 extern unsigned int mmp_chip_id;
28
29 #if defined(CONFIG_MACH_MMP2_DT)
30 static inline int cpu_is_mmp2(void)
31 {
32 return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
33 (((mmp_chip_id & 0xfff) == 0x410) ||
34 ((mmp_chip_id & 0xfff) == 0x610));
35 }
36 #else
37 #define cpu_is_mmp2() (0)
38 #endif
39
40 #ifdef CONFIG_MACH_MMP3_DT
41 static inline int cpu_is_mmp3(void)
42 {
43 return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
44 ((mmp_chip_id & 0xffff) == 0x2128);
45 }
46
47 static inline int cpu_is_mmp3_a0(void)
48 {
49 return (cpu_is_mmp3() &&
50 ((mmp_chip_id & 0x00ff0000) == 0x00a00000));
51 }
52
53 static inline int cpu_is_mmp3_b0(void)
54 {
55 return (cpu_is_mmp3() &&
56 ((mmp_chip_id & 0x00ff0000) == 0x00b00000));
57 }
58
59 #else
60 #define cpu_is_mmp3() (0)
61 #define cpu_is_mmp3_a0() (0)
62 #define cpu_is_mmp3_b0() (0)
63 #endif
64
65 #endif /* __ASM_MACH_CPUTYPE_H */
66
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