| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) |
| 3 | * |
| 4 | * Modifications for ppc64: |
| 5 | * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * as published by the Free Software Foundation; either version |
| 10 | * 2 of the License, or (at your option) any later version. |
| 11 | */ |
| 12 | #ifndef __ASM_POWERPC_FIRMWARE_H |
| 13 | #define __ASM_POWERPC_FIRMWARE_H |
| 14 | |
| 15 | #ifdef __KERNEL__ |
| 16 | |
| 17 | #include <asm/asm-const.h> |
| 18 | |
| 19 | /* firmware feature bitmask values */ |
| 20 | |
| 21 | #define FW_FEATURE_PFT ASM_CONST(0x0000000000000001) |
| 22 | #define FW_FEATURE_TCE ASM_CONST(0x0000000000000002) |
| 23 | #define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004) |
| 24 | #define FW_FEATURE_DABR ASM_CONST(0x0000000000000008) |
| 25 | #define FW_FEATURE_COPY ASM_CONST(0x0000000000000010) |
| 26 | #define FW_FEATURE_ASR ASM_CONST(0x0000000000000020) |
| 27 | #define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040) |
| 28 | #define FW_FEATURE_TERM ASM_CONST(0x0000000000000080) |
| 29 | #define FW_FEATURE_PERF ASM_CONST(0x0000000000000100) |
| 30 | #define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200) |
| 31 | #define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400) |
| 32 | #define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800) |
| 33 | #define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000) |
| 34 | #define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000) |
| 35 | #define FW_FEATURE_VIO ASM_CONST(0x0000000000004000) |
| 36 | #define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000) |
| 37 | #define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000) |
| 38 | #define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000) |
| 39 | #define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000) |
| 40 | #define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000) |
| 41 | #define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000) |
| 42 | #define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) |
| 43 | #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) |
| 44 | #define FW_FEATURE_HPT_RESIZE ASM_CONST(0x0000000001000000) |
| 45 | #define FW_FEATURE_CMO ASM_CONST(0x0000000002000000) |
| 46 | #define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000) |
| 47 | #define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000) |
| 48 | #define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000) |
| 49 | #define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000) |
| 50 | #define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000) |
| 51 | #define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000) |
| 52 | #define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000) |
| 53 | #define FW_FEATURE_DRMEM_V2 ASM_CONST(0x0000000400000000) |
| 54 | #define FW_FEATURE_DRC_INFO ASM_CONST(0x0000000800000000) |
| 55 | |
| 56 | #ifndef __ASSEMBLY__ |
| 57 | |
| 58 | enum { |
| 59 | #ifdef CONFIG_PPC64 |
| 60 | FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | |
| 61 | FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | |
| 62 | FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | |
| 63 | FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | |
| 64 | FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | |
| 65 | FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | |
| 66 | FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR | |
| 67 | FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | |
| 68 | FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO | |
| 69 | FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY | |
| 70 | FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN | |
| 71 | FW_FEATURE_HPT_RESIZE | FW_FEATURE_DRMEM_V2 | |
| 72 | FW_FEATURE_DRC_INFO, |
| 73 | FW_FEATURE_PSERIES_ALWAYS = 0, |
| 74 | FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL, |
| 75 | FW_FEATURE_POWERNV_ALWAYS = 0, |
| 76 | FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, |
| 77 | FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, |
| 78 | FW_FEATURE_NATIVE_POSSIBLE = 0, |
| 79 | FW_FEATURE_NATIVE_ALWAYS = 0, |
| 80 | FW_FEATURE_POSSIBLE = |
| 81 | #ifdef CONFIG_PPC_PSERIES |
| 82 | FW_FEATURE_PSERIES_POSSIBLE | |
| 83 | #endif |
| 84 | #ifdef CONFIG_PPC_POWERNV |
| 85 | FW_FEATURE_POWERNV_POSSIBLE | |
| 86 | #endif |
| 87 | #ifdef CONFIG_PPC_PS3 |
| 88 | FW_FEATURE_PS3_POSSIBLE | |
| 89 | #endif |
| 90 | #ifdef CONFIG_PPC_NATIVE |
| 91 | FW_FEATURE_NATIVE_ALWAYS | |
| 92 | #endif |
| 93 | 0, |
| 94 | FW_FEATURE_ALWAYS = |
| 95 | #ifdef CONFIG_PPC_PSERIES |
| 96 | FW_FEATURE_PSERIES_ALWAYS & |
| 97 | #endif |
| 98 | #ifdef CONFIG_PPC_POWERNV |
| 99 | FW_FEATURE_POWERNV_ALWAYS & |
| 100 | #endif |
| 101 | #ifdef CONFIG_PPC_PS3 |
| 102 | FW_FEATURE_PS3_ALWAYS & |
| 103 | #endif |
| 104 | #ifdef CONFIG_PPC_NATIVE |
| 105 | FW_FEATURE_NATIVE_ALWAYS & |
| 106 | #endif |
| 107 | FW_FEATURE_POSSIBLE, |
| 108 | |
| 109 | #else /* CONFIG_PPC64 */ |
| 110 | FW_FEATURE_POSSIBLE = 0, |
| 111 | FW_FEATURE_ALWAYS = 0, |
| 112 | #endif |
| 113 | }; |
| 114 | |
| 115 | /* This is used to identify firmware features which are available |
| 116 | * to the kernel. |
| 117 | */ |
| 118 | extern unsigned long powerpc_firmware_features; |
| 119 | |
| 120 | #define firmware_has_feature(feature) \ |
| 121 | ((FW_FEATURE_ALWAYS & (feature)) || \ |
| 122 | (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) |
| 123 | |
| 124 | extern void system_reset_fwnmi(void); |
| 125 | extern void machine_check_fwnmi(void); |
| 126 | |
| 127 | /* This is true if we are using the firmware NMI handler (typically LPAR) */ |
| 128 | extern int fwnmi_active; |
| 129 | |
| 130 | extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; |
| 131 | |
| 132 | #ifdef CONFIG_PPC_PSERIES |
| 133 | void pseries_probe_fw_features(void); |
| 134 | #else |
| 135 | static inline void pseries_probe_fw_features(void) { }; |
| 136 | #endif |
| 137 | |
| 138 | #endif /* __ASSEMBLY__ */ |
| 139 | #endif /* __KERNEL__ */ |
| 140 | #endif /* __ASM_POWERPC_FIRMWARE_H */ |