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 #define FIRMWARE_MAX_FEATURES 63 22 23 #define FW_FEATURE_PFT ASM_CONST(0x0000000000000001) 24 #define FW_FEATURE_TCE ASM_CONST(0x0000000000000002) 25 #define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004) 26 #define FW_FEATURE_DABR ASM_CONST(0x0000000000000008) 27 #define FW_FEATURE_COPY ASM_CONST(0x0000000000000010) 28 #define FW_FEATURE_ASR ASM_CONST(0x0000000000000020) 29 #define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040) 30 #define FW_FEATURE_TERM ASM_CONST(0x0000000000000080) 31 #define FW_FEATURE_PERF ASM_CONST(0x0000000000000100) 32 #define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200) 33 #define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400) 34 #define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800) 35 #define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000) 36 #define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000) 37 #define FW_FEATURE_VIO ASM_CONST(0x0000000000004000) 38 #define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000) 39 #define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000) 40 #define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000) 41 #define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000) 42 #define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000) 43 #define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000) 44 #define FW_FEATURE_ISERIES ASM_CONST(0x0000000000200000) 45 #define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) 46 #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) 47 #define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000) 48 #define FW_FEATURE_CMO ASM_CONST(0x0000000002000000) 49 #define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000) 50 #define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000) 51 52 #ifndef __ASSEMBLY__ 53 54 enum { 55 #ifdef CONFIG_PPC64 56 FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | 57 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | 58 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | 59 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | 60 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | 61 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | 62 FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR | 63 FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | 64 FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO, 65 FW_FEATURE_PSERIES_ALWAYS = 0, 66 FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, 67 FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, 68 FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 69 FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 70 FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT, 71 FW_FEATURE_CELLEB_ALWAYS = 0, 72 FW_FEATURE_NATIVE_POSSIBLE = 0, 73 FW_FEATURE_NATIVE_ALWAYS = 0, 74 FW_FEATURE_POSSIBLE = 75 #ifdef CONFIG_PPC_PSERIES 76 FW_FEATURE_PSERIES_POSSIBLE | 77 #endif 78 #ifdef CONFIG_PPC_ISERIES 79 FW_FEATURE_ISERIES_POSSIBLE | 80 #endif 81 #ifdef CONFIG_PPC_PS3 82 FW_FEATURE_PS3_POSSIBLE | 83 #endif 84 #ifdef CONFIG_PPC_CELLEB 85 FW_FEATURE_CELLEB_POSSIBLE | 86 #endif 87 #ifdef CONFIG_PPC_NATIVE 88 FW_FEATURE_NATIVE_ALWAYS | 89 #endif 90 0, 91 FW_FEATURE_ALWAYS = 92 #ifdef CONFIG_PPC_PSERIES 93 FW_FEATURE_PSERIES_ALWAYS & 94 #endif 95 #ifdef CONFIG_PPC_ISERIES 96 FW_FEATURE_ISERIES_ALWAYS & 97 #endif 98 #ifdef CONFIG_PPC_PS3 99 FW_FEATURE_PS3_ALWAYS & 100 #endif 101 #ifdef CONFIG_PPC_CELLEB 102 FW_FEATURE_CELLEB_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 #endif /* __ASSEMBLY__ */ 133 #endif /* __KERNEL__ */ 134 #endif /* __ASM_POWERPC_FIRMWARE_H */ 135