projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 49cbe786 EM |
2 | #ifndef __ASM_MACH_CPUTYPE_H |
| 3 | #define __ASM_MACH_CPUTYPE_H | |
| 4 | ||
| 5 | #include <asm/cputype.h> | |
| 6 | ||
| 7 | /* | |
| f090c74b | 8 | * CPU Stepping CPU_ID CHIP_ID |
| 49cbe786 | 9 | * |
| f090c74b HZ |
10 | * PXA168 S0 0x56158400 0x0000C910 |
| 11 | * PXA168 A0 0x56158400 0x00A0A168 | |
| 12 | * PXA910 Y1 0x56158400 0x00F2C920 | |
| 13 | * PXA910 A0 0x56158400 0x00F2C910 | |
| 14 | * PXA910 A1 0x56158400 0x00A0C910 | |
| 15 | * PXA920 Y0 0x56158400 0x00F2C920 | |
| 16 | * PXA920 A0 0x56158400 0x00A0C920 | |
| 17 | * PXA920 A1 0x56158400 0x00A1C920 | |
| 18 | * MMP2 Z0 0x560f5811 0x00F00410 | |
| 19 | * MMP2 Z1 0x560f5811 0x00E00410 | |
| 20 | * MMP2 A0 0x560f5811 0x00A0A610 | |
| 49cbe786 EM |
21 | */ |
| 22 | ||
| f090c74b HZ |
23 | extern unsigned int mmp_chip_id; |
| 24 | ||
| 49cbe786 | 25 | #ifdef CONFIG_CPU_PXA168 |
| f090c74b HZ |
26 | static inline int cpu_is_pxa168(void) |
| 27 | { | |
| 28 | return (((read_cpuid_id() >> 8) & 0xff) == 0x84) && | |
| 29 | ((mmp_chip_id & 0xfff) == 0x168); | |
| 30 | } | |
| 49cbe786 | 31 | #else |
| f090c74b | 32 | #define cpu_is_pxa168() (0) |
| 49cbe786 EM |
33 | #endif |
| 34 | ||
| f090c74b | 35 | /* cpu_is_pxa910() is shared on both pxa910 and pxa920 */ |
| 14c6b5e7 | 36 | #ifdef CONFIG_CPU_PXA910 |
| f090c74b HZ |
37 | static inline int cpu_is_pxa910(void) |
| 38 | { | |
| 39 | return (((read_cpuid_id() >> 8) & 0xff) == 0x84) && | |
| 40 | (((mmp_chip_id & 0xfff) == 0x910) || | |
| 41 | ((mmp_chip_id & 0xfff) == 0x920)); | |
| 42 | } | |
| 14c6b5e7 | 43 | #else |
| f090c74b | 44 | #define cpu_is_pxa910() (0) |
| 14c6b5e7 EM |
45 | #endif |
| 46 | ||
| 2f7e8fae | 47 | #ifdef CONFIG_CPU_MMP2 |
| f090c74b HZ |
48 | static inline int cpu_is_mmp2(void) |
| 49 | { | |
| 3073f0fa HZ |
50 | return (((read_cpuid_id() >> 8) & 0xff) == 0x58); |
| 51 | } | |
| 2f7e8fae | 52 | #else |
| f090c74b | 53 | #define cpu_is_mmp2() (0) |
| 2f7e8fae HZ |
54 | #endif |
| 55 | ||
| 49cbe786 | 56 | #endif /* __ASM_MACH_CPUTYPE_H */ |