1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_MACH_CPUTYPE_H 3 #define __ASM_MACH_CPUTYPE_H 4 5 #include <asm/cputype.h> 6 7 /* 8 * CPU Stepping CPU_ID CHIP_ID 9 * 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 21 */ 22 23 extern unsigned int mmp_chip_id; 24 25 #ifdef CONFIG_CPU_PXA168 cpu_is_pxa168(void)26static inline int cpu_is_pxa168(void) 27 { 28 return (((read_cpuid_id() >> 8) & 0xff) == 0x84) && 29 ((mmp_chip_id & 0xfff) == 0x168); 30 } 31 #else 32 #define cpu_is_pxa168() (0) 33 #endif 34 35 /* cpu_is_pxa910() is shared on both pxa910 and pxa920 */ 36 #ifdef CONFIG_CPU_PXA910 cpu_is_pxa910(void)37static 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 } 43 #else 44 #define cpu_is_pxa910() (0) 45 #endif 46 47 #ifdef CONFIG_CPU_MMP2 cpu_is_mmp2(void)48static inline int cpu_is_mmp2(void) 49 { 50 return (((read_cpuid_id() >> 8) & 0xff) == 0x58); 51 } 52 #else 53 #define cpu_is_mmp2() (0) 54 #endif 55 56 #endif /* __ASM_MACH_CPUTYPE_H */ 57
