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-compat.h> 18 #include <asm/feature-fixups.h> 19 20 /* firmware feature bitmask values */ 21 22 #define FW_FEATURE_PFT ASM_CONST(0x0000000000000001) 23 #define FW_FEATURE_TCE ASM_CONST(0x0000000000000002) 24 #define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004) 25 #define FW_FEATURE_DABR ASM_CONST(0x0000000000000008) 26 #define FW_FEATURE_COPY ASM_CONST(0x0000000000000010) 27 #define FW_FEATURE_ASR ASM_CONST(0x0000000000000020) 28 #define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040) 29 #define FW_FEATURE_TERM ASM_CONST(0x0000000000000080) 30 #define FW_FEATURE_PERF ASM_CONST(0x0000000000000100) 31 #define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200) 32 #define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400) 33 #define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800) 34 #define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000) 35 #define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000) 36 #define FW_FEATURE_VIO ASM_CONST(0x0000000000004000) 37 #define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000) 38 #define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000) 39 #define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000) 40 #define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000) 41 #define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000) 42 #define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000) 43 #define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) 44 #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) 45 #define FW_FEATURE_HPT_RESIZE ASM_CONST(0x0000000001000000) 46 #define FW_FEATURE_CMO ASM_CONST(0x0000000002000000) 47 #define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000) 48 #define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000) 49 #define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000) 50 #define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000) 51 #define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000) 52 #define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000) 53 #define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000) 54 55 #ifndef __ASSEMBLY__ 56 57 enum { 58 #ifdef CONFIG_PPC64 59 FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | 60 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | 61 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | 62 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | 63 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | 64 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | 65 FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR | 66 FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | 67 FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO | 68 FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY | 69 FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN | 70 FW_FEATURE_HPT_RESIZE, 71 FW_FEATURE_PSERIES_ALWAYS = 0, 72 FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL, 73 FW_FEATURE_POWERNV_ALWAYS = 0, 74 FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 75 FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 76 FW_FEATURE_NATIVE_POSSIBLE = 0, 77 FW_FEATURE_NATIVE_ALWAYS = 0, 78 FW_FEATURE_POSSIBLE = 79 #ifdef CONFIG_PPC_PSERIES 80 FW_FEATURE_PSERIES_POSSIBLE | 81 #endif 82 #ifdef CONFIG_PPC_POWERNV 83 FW_FEATURE_POWERNV_POSSIBLE | 84 #endif 85 #ifdef CONFIG_PPC_PS3 86 FW_FEATURE_PS3_POSSIBLE | 87 #endif 88 #ifdef CONFIG_PPC_NATIVE 89 FW_FEATURE_NATIVE_ALWAYS | 90 #endif 91 0, 92 FW_FEATURE_ALWAYS = 93 #ifdef CONFIG_PPC_PSERIES 94 FW_FEATURE_PSERIES_ALWAYS & 95 #endif 96 #ifdef CONFIG_PPC_POWERNV 97 FW_FEATURE_POWERNV_ALWAYS & 98 #endif 99 #ifdef CONFIG_PPC_PS3 100 FW_FEATURE_PS3_ALWAYS & 101 #endif 102 #ifdef CONFIG_PPC_NATIVE 103 FW_FEATURE_NATIVE_ALWAYS & 104 #endif 105 FW_FEATURE_POSSIBLE, 106 107 #else /* CONFIG_PPC64 */ 108 FW_FEATURE_POSSIBLE = 0, 109 FW_FEATURE_ALWAYS = 0, 110 #endif 111 }; 112 113 /* This is used to identify firmware features which are available 114 * to the kernel. 115 */ 116 extern unsigned long powerpc_firmware_features; 117 118 #define firmware_has_feature(feature) \ 119 ((FW_FEATURE_ALWAYS & (feature)) || \ 120 (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) 121 122 extern void system_reset_fwnmi(void); 123 extern void machine_check_fwnmi(void); 124 125 /* This is true if we are using the firmware NMI handler (typically LPAR) */ 126 extern int fwnmi_active; 127 128 extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; 129 130 #ifdef CONFIG_PPC_PSERIES 131 void pseries_probe_fw_features(void); 132 #else 133 static inline void pseries_probe_fw_features(void) { }; 134 #endif 135 136 #endif /* __ASSEMBLY__ */ 137 #endif /* __KERNEL__ */ 138 #endif /* __ASM_POWERPC_FIRMWARE_H */ 139