1b8b572e1SStephen Rothwell /* 2b8b572e1SStephen Rothwell * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) 3b8b572e1SStephen Rothwell * 4b8b572e1SStephen Rothwell * Modifications for ppc64: 5b8b572e1SStephen Rothwell * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> 6b8b572e1SStephen Rothwell * 7b8b572e1SStephen Rothwell * This program is free software; you can redistribute it and/or 8b8b572e1SStephen Rothwell * modify it under the terms of the GNU General Public License 9b8b572e1SStephen Rothwell * as published by the Free Software Foundation; either version 10b8b572e1SStephen Rothwell * 2 of the License, or (at your option) any later version. 11b8b572e1SStephen Rothwell */ 12b8b572e1SStephen Rothwell #ifndef __ASM_POWERPC_FIRMWARE_H 13b8b572e1SStephen Rothwell #define __ASM_POWERPC_FIRMWARE_H 14b8b572e1SStephen Rothwell 15b8b572e1SStephen Rothwell #ifdef __KERNEL__ 16b8b572e1SStephen Rothwell 17b8b572e1SStephen Rothwell #include <asm/asm-compat.h> 18b8b572e1SStephen Rothwell #include <asm/feature-fixups.h> 19b8b572e1SStephen Rothwell 20b8b572e1SStephen Rothwell /* firmware feature bitmask values */ 21b8b572e1SStephen Rothwell 22b8b572e1SStephen Rothwell #define FW_FEATURE_PFT ASM_CONST(0x0000000000000001) 23b8b572e1SStephen Rothwell #define FW_FEATURE_TCE ASM_CONST(0x0000000000000002) 24b8b572e1SStephen Rothwell #define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004) 25b8b572e1SStephen Rothwell #define FW_FEATURE_DABR ASM_CONST(0x0000000000000008) 26b8b572e1SStephen Rothwell #define FW_FEATURE_COPY ASM_CONST(0x0000000000000010) 27b8b572e1SStephen Rothwell #define FW_FEATURE_ASR ASM_CONST(0x0000000000000020) 28b8b572e1SStephen Rothwell #define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040) 29b8b572e1SStephen Rothwell #define FW_FEATURE_TERM ASM_CONST(0x0000000000000080) 30b8b572e1SStephen Rothwell #define FW_FEATURE_PERF ASM_CONST(0x0000000000000100) 31b8b572e1SStephen Rothwell #define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200) 32b8b572e1SStephen Rothwell #define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400) 33b8b572e1SStephen Rothwell #define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800) 34b8b572e1SStephen Rothwell #define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000) 35b8b572e1SStephen Rothwell #define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000) 36b8b572e1SStephen Rothwell #define FW_FEATURE_VIO ASM_CONST(0x0000000000004000) 37b8b572e1SStephen Rothwell #define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000) 38b8b572e1SStephen Rothwell #define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000) 39b6dcde5cSAnton Blanchard #define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000) 40b8b572e1SStephen Rothwell #define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000) 41b8b572e1SStephen Rothwell #define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000) 42b8b572e1SStephen Rothwell #define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000) 43b8b572e1SStephen Rothwell #define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) 44b8b572e1SStephen Rothwell #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) 45*bf4981a0SMichael Ellerman /* Free ASM_CONST(0x0000000001000000) */ 46b6dcde5cSAnton Blanchard #define FW_FEATURE_CMO ASM_CONST(0x0000000002000000) 4736f567b4SJesse Larrew #define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000) 489ee820faSBrian King #define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000) 4914a43e69SBenjamin Herrenschmidt #define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000) 5014a43e69SBenjamin Herrenschmidt #define FW_FEATURE_OPALv2 ASM_CONST(0x0000000020000000) 51d8f48eccSIan Munsie #define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000) 520388c79cSMichael Neuling #define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000) 53f0ff7eb4SNathan Fontenot #define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000) 545d88aa85SJesse Larrew #define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000) 5575b93da4SBenjamin Herrenschmidt #define FW_FEATURE_OPALv3 ASM_CONST(0x0000000400000000) 56b8b572e1SStephen Rothwell 57b8b572e1SStephen Rothwell #ifndef __ASSEMBLY__ 58b8b572e1SStephen Rothwell 59b8b572e1SStephen Rothwell enum { 60b8b572e1SStephen Rothwell #ifdef CONFIG_PPC64 61b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | 62b8b572e1SStephen Rothwell FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | 63b8b572e1SStephen Rothwell FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | 64b8b572e1SStephen Rothwell FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | 65b8b572e1SStephen Rothwell FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | 66b8b572e1SStephen Rothwell FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | 67b6dcde5cSAnton Blanchard FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR | 68b6dcde5cSAnton Blanchard FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | 69d8f48eccSIan Munsie FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO | 70f0ff7eb4SNathan Fontenot FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY | 715d88aa85SJesse Larrew FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN, 72b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_ALWAYS = 0, 7375b93da4SBenjamin Herrenschmidt FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2 | 7475b93da4SBenjamin Herrenschmidt FW_FEATURE_OPALv3, 7514a43e69SBenjamin Herrenschmidt FW_FEATURE_POWERNV_ALWAYS = 0, 76b8b572e1SStephen Rothwell FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 77b8b572e1SStephen Rothwell FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 78b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_POSSIBLE = 0, 79b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS = 0, 80b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE = 81b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PSERIES 82b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_POSSIBLE | 83b8b572e1SStephen Rothwell #endif 8414a43e69SBenjamin Herrenschmidt #ifdef CONFIG_PPC_POWERNV 8514a43e69SBenjamin Herrenschmidt FW_FEATURE_POWERNV_POSSIBLE | 8614a43e69SBenjamin Herrenschmidt #endif 87b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PS3 88b8b572e1SStephen Rothwell FW_FEATURE_PS3_POSSIBLE | 89b8b572e1SStephen Rothwell #endif 90b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_NATIVE 91b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS | 92b8b572e1SStephen Rothwell #endif 93b8b572e1SStephen Rothwell 0, 94b8b572e1SStephen Rothwell FW_FEATURE_ALWAYS = 95b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PSERIES 96b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_ALWAYS & 97b8b572e1SStephen Rothwell #endif 9814a43e69SBenjamin Herrenschmidt #ifdef CONFIG_PPC_POWERNV 9914a43e69SBenjamin Herrenschmidt FW_FEATURE_POWERNV_ALWAYS & 10014a43e69SBenjamin Herrenschmidt #endif 101b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PS3 102b8b572e1SStephen Rothwell FW_FEATURE_PS3_ALWAYS & 103b8b572e1SStephen Rothwell #endif 104b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_NATIVE 105b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS & 106b8b572e1SStephen Rothwell #endif 107b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE, 108b8b572e1SStephen Rothwell 109b8b572e1SStephen Rothwell #else /* CONFIG_PPC64 */ 110b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE = 0, 111b8b572e1SStephen Rothwell FW_FEATURE_ALWAYS = 0, 112b8b572e1SStephen Rothwell #endif 113b8b572e1SStephen Rothwell }; 114b8b572e1SStephen Rothwell 115b8b572e1SStephen Rothwell /* This is used to identify firmware features which are available 116b8b572e1SStephen Rothwell * to the kernel. 117b8b572e1SStephen Rothwell */ 118b8b572e1SStephen Rothwell extern unsigned long powerpc_firmware_features; 119b8b572e1SStephen Rothwell 120b8b572e1SStephen Rothwell #define firmware_has_feature(feature) \ 121b8b572e1SStephen Rothwell ((FW_FEATURE_ALWAYS & (feature)) || \ 122b8b572e1SStephen Rothwell (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) 123b8b572e1SStephen Rothwell 124b8b572e1SStephen Rothwell extern void system_reset_fwnmi(void); 125b8b572e1SStephen Rothwell extern void machine_check_fwnmi(void); 126b8b572e1SStephen Rothwell 127b8b572e1SStephen Rothwell /* This is true if we are using the firmware NMI handler (typically LPAR) */ 128b8b572e1SStephen Rothwell extern int fwnmi_active; 129b8b572e1SStephen Rothwell 130b8b572e1SStephen Rothwell extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; 131b8b572e1SStephen Rothwell 132b8b572e1SStephen Rothwell #endif /* __ASSEMBLY__ */ 133b8b572e1SStephen Rothwell #endif /* __KERNEL__ */ 134b8b572e1SStephen Rothwell #endif /* __ASM_POWERPC_FIRMWARE_H */ 135