| 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 |