cputype.h

 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
27extern unsigned int mmp_chip_id;
28
29#if defined(CONFIG_MACH_MMP2_DT)
30static 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
41static inline int cpu_is_mmp3(void)
42{
43	return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
44		((mmp_chip_id & 0xffff) == 0x2128);
45}
46
47static inline int cpu_is_mmp3_a0(void)
48{
49	return (cpu_is_mmp3() &&
50		((mmp_chip_id & 0x00ff0000) == 0x00a00000));
51}
52
53static 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 */