soc/mmp/cputype.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef __ASM_MACH_CPUTYPE_H
0003 #define __ASM_MACH_CPUTYPE_H
0004
0005 #if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
0006 #include <asm/cputype.h>
0007 #endif
0008
0009 /*
0010  *  CPU   Stepping   CPU_ID      CHIP_ID
0011  *
0012  * PXA168    S0    0x56158400   0x0000C910
0013  * PXA168    A0    0x56158400   0x00A0A168
0014  * PXA910    Y1    0x56158400   0x00F2C920
0015  * PXA910    A0    0x56158400   0x00F2C910
0016  * PXA910    A1    0x56158400   0x00A0C910
0017  * PXA920    Y0    0x56158400   0x00F2C920
0018  * PXA920    A0    0x56158400   0x00A0C920
0019  * PXA920    A1    0x56158400   0x00A1C920
0020  * MMP2      Z0    0x560f5811   0x00F00410
0021  * MMP2      Z1    0x560f5811   0x00E00410
0022  * MMP2      A0    0x560f5811   0x00A0A610
0023  * MMP3      A0    0x562f5842   0x00A02128
0024  * MMP3      B0    0x562f5842   0x00B02128
0025  */
0026
0027 extern unsigned int mmp_chip_id;
0028
0029 #ifdef CONFIG_CPU_PXA168
0030 static inline int cpu_is_pxa168(void)
0031 {
0032     return (((read_cpuid_id() >> 8) & 0xff) == 0x84) &&
0033         ((mmp_chip_id & 0xfff) == 0x168);
0034 }
0035 #else
0036 #define cpu_is_pxa168() (0)
0037 #endif
0038
0039 /* cpu_is_pxa910() is shared on both pxa910 and pxa920 */
0040 #ifdef CONFIG_CPU_PXA910
0041 static inline int cpu_is_pxa910(void)
0042 {
0043     return (((read_cpuid_id() >> 8) & 0xff) == 0x84) &&
0044         (((mmp_chip_id & 0xfff) == 0x910) ||
0045          ((mmp_chip_id & 0xfff) == 0x920));
0046 }
0047 #else
0048 #define cpu_is_pxa910() (0)
0049 #endif
0050
0051 #if defined(CONFIG_CPU_MMP2) || defined(CONFIG_MACH_MMP2_DT)
0052 static inline int cpu_is_mmp2(void)
0053 {
0054     return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
0055         (((mmp_chip_id & 0xfff) == 0x410) ||
0056          ((mmp_chip_id & 0xfff) == 0x610));
0057 }
0058 #else
0059 #define cpu_is_mmp2()   (0)
0060 #endif
0061
0062 #ifdef CONFIG_MACH_MMP3_DT
0063 static inline int cpu_is_mmp3(void)
0064 {
0065     return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
0066         ((mmp_chip_id & 0xffff) == 0x2128);
0067 }
0068
0069 static inline int cpu_is_mmp3_a0(void)
0070 {
0071     return (cpu_is_mmp3() &&
0072         ((mmp_chip_id & 0x00ff0000) == 0x00a00000));
0073 }
0074
0075 static inline int cpu_is_mmp3_b0(void)
0076 {
0077     return (cpu_is_mmp3() &&
0078         ((mmp_chip_id & 0x00ff0000) == 0x00b00000));
0079 }
0080
0081 #else
0082 #define cpu_is_mmp3()       (0)
0083 #define cpu_is_mmp3_a0()    (0)
0084 #define cpu_is_mmp3_b0()    (0)
0085 #endif
0086
0087 #endif /* __ASM_MACH_CPUTYPE_H */