1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Helpers for Intel SoC model detection
4 *
5 * Copyright (c) 2019, Intel Corporation.
6 */
7
8 #ifndef __PLATFORM_DATA_X86_SOC_H
9 #define __PLATFORM_DATA_X86_SOC_H
10
11 #include <linux/types.h>
12
13 #if IS_ENABLED(CONFIG_X86)
14
15 #include <linux/mod_devicetable.h>
16
17 #include <asm/cpu_device_id.h>
18
19 #define SOC_INTEL_IS_CPU(soc, type) \
20 static inline bool soc_intel_is_##soc(void) \
21 { \
22 static const struct x86_cpu_id soc##_cpu_ids[] = { \
23 X86_MATCH_VFM(type, NULL), \
24 {} \
25 }; \
26 const struct x86_cpu_id *id; \
27 \
28 id = x86_match_cpu(soc##_cpu_ids); \
29 if (id) \
30 return true; \
31 return false; \
32 }
33
34 SOC_INTEL_IS_CPU(byt, INTEL_ATOM_SILVERMONT);
35 SOC_INTEL_IS_CPU(cht, INTEL_ATOM_AIRMONT);
36 SOC_INTEL_IS_CPU(apl, INTEL_ATOM_GOLDMONT);
37 SOC_INTEL_IS_CPU(glk, INTEL_ATOM_GOLDMONT_PLUS);
38 SOC_INTEL_IS_CPU(cml, INTEL_KABYLAKE_L);
39
40 #undef SOC_INTEL_IS_CPU
41
42 #else /* IS_ENABLED(CONFIG_X86) */
43
44 static inline bool soc_intel_is_byt(void)
45 {
46 return false;
47 }
48
49 static inline bool soc_intel_is_cht(void)
50 {
51 return false;
52 }
53
54 static inline bool soc_intel_is_apl(void)
55 {
56 return false;
57 }
58
59 static inline bool soc_intel_is_glk(void)
60 {
61 return false;
62 }
63
64 static inline bool soc_intel_is_cml(void)
65 {
66 return false;
67 }
68 #endif /* IS_ENABLED(CONFIG_X86) */
69
70 #endif /* __PLATFORM_DATA_X86_SOC_H */
71
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