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
23extern unsigned int mmp_chip_id;
24
25#ifdef CONFIG_CPU_PXA168
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
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#if defined(CONFIG_CPU_MMP2) || defined(CONFIG_MACH_MMP2_DT)
48static inline int cpu_is_mmp2(void)
49{
50	return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
51		(((mmp_chip_id & 0xfff) == 0x410) ||
52		 ((mmp_chip_id & 0xfff) == 0x610));
53}
54#else
55#define cpu_is_mmp2()	(0)
56#endif
57
58#endif /* __ASM_MACH_CPUTYPE_H */