1*2874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 2b8b572e1SStephen Rothwell /* 3b8b572e1SStephen Rothwell * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) 4b8b572e1SStephen Rothwell * 5b8b572e1SStephen Rothwell * Modifications for ppc64: 6b8b572e1SStephen Rothwell * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> 7b8b572e1SStephen Rothwell */ 8b8b572e1SStephen Rothwell #ifndef __ASM_POWERPC_FIRMWARE_H 9b8b572e1SStephen Rothwell #define __ASM_POWERPC_FIRMWARE_H 10b8b572e1SStephen Rothwell 11b8b572e1SStephen Rothwell #ifdef __KERNEL__ 12b8b572e1SStephen Rothwell 13ec0c464cSChristophe Leroy #include <asm/asm-const.h> 14b8b572e1SStephen Rothwell 15b8b572e1SStephen Rothwell /* firmware feature bitmask values */ 16b8b572e1SStephen Rothwell 17b8b572e1SStephen Rothwell #define FW_FEATURE_PFT ASM_CONST(0x0000000000000001) 18b8b572e1SStephen Rothwell #define FW_FEATURE_TCE ASM_CONST(0x0000000000000002) 19b8b572e1SStephen Rothwell #define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004) 20b8b572e1SStephen Rothwell #define FW_FEATURE_DABR ASM_CONST(0x0000000000000008) 21b8b572e1SStephen Rothwell #define FW_FEATURE_COPY ASM_CONST(0x0000000000000010) 22b8b572e1SStephen Rothwell #define FW_FEATURE_ASR ASM_CONST(0x0000000000000020) 23b8b572e1SStephen Rothwell #define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040) 24b8b572e1SStephen Rothwell #define FW_FEATURE_TERM ASM_CONST(0x0000000000000080) 25b8b572e1SStephen Rothwell #define FW_FEATURE_PERF ASM_CONST(0x0000000000000100) 26b8b572e1SStephen Rothwell #define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200) 27b8b572e1SStephen Rothwell #define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400) 28b8b572e1SStephen Rothwell #define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800) 29b8b572e1SStephen Rothwell #define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000) 30b8b572e1SStephen Rothwell #define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000) 31b8b572e1SStephen Rothwell #define FW_FEATURE_VIO ASM_CONST(0x0000000000004000) 32b8b572e1SStephen Rothwell #define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000) 33b8b572e1SStephen Rothwell #define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000) 34b6dcde5cSAnton Blanchard #define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000) 35b8b572e1SStephen Rothwell #define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000) 36b8b572e1SStephen Rothwell #define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000) 37b8b572e1SStephen Rothwell #define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000) 38b8b572e1SStephen Rothwell #define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) 39b8b572e1SStephen Rothwell #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) 4064b40ffbSDavid Gibson #define FW_FEATURE_HPT_RESIZE ASM_CONST(0x0000000001000000) 41b6dcde5cSAnton Blanchard #define FW_FEATURE_CMO ASM_CONST(0x0000000002000000) 4236f567b4SJesse Larrew #define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000) 439ee820faSBrian King #define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000) 4414a43e69SBenjamin Herrenschmidt #define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000) 45d8f48eccSIan Munsie #define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000) 460388c79cSMichael Neuling #define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000) 47f0ff7eb4SNathan Fontenot #define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000) 485d88aa85SJesse Larrew #define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000) 490c38ed6fSNathan Fontenot #define FW_FEATURE_DRMEM_V2 ASM_CONST(0x0000000400000000) 505539d31aSMichael Ellerman #define FW_FEATURE_DRC_INFO ASM_CONST(0x0000000800000000) 515600fbe3SLaurent Dufour #define FW_FEATURE_BLOCK_REMOVE ASM_CONST(0x0000001000000000) 524c5d87dbSOliver O'Halloran #define FW_FEATURE_PAPR_SCM ASM_CONST(0x0000002000000000) 53b8b572e1SStephen Rothwell 54b8b572e1SStephen Rothwell #ifndef __ASSEMBLY__ 55b8b572e1SStephen Rothwell 56b8b572e1SStephen Rothwell enum { 57b8b572e1SStephen Rothwell #ifdef CONFIG_PPC64 58b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | 59b8b572e1SStephen Rothwell FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | 60b8b572e1SStephen Rothwell FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | 61b8b572e1SStephen Rothwell FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | 62b8b572e1SStephen Rothwell FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | 63b8b572e1SStephen Rothwell FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | 64b6dcde5cSAnton Blanchard FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR | 65b6dcde5cSAnton Blanchard FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | 66d8f48eccSIan Munsie FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO | 67f0ff7eb4SNathan Fontenot FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY | 6864b40ffbSDavid Gibson FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN | 693f38000eSMichael Bringmann FW_FEATURE_HPT_RESIZE | FW_FEATURE_DRMEM_V2 | 704c5d87dbSOliver O'Halloran FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE | 714c5d87dbSOliver O'Halloran FW_FEATURE_PAPR_SCM, 72b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_ALWAYS = 0, 73e4d54f71SStewart Smith FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL, 7414a43e69SBenjamin Herrenschmidt FW_FEATURE_POWERNV_ALWAYS = 0, 75b8b572e1SStephen Rothwell FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 76b8b572e1SStephen Rothwell FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 77b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_POSSIBLE = 0, 78b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS = 0, 79b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE = 80b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PSERIES 81b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_POSSIBLE | 82b8b572e1SStephen Rothwell #endif 8314a43e69SBenjamin Herrenschmidt #ifdef CONFIG_PPC_POWERNV 8414a43e69SBenjamin Herrenschmidt FW_FEATURE_POWERNV_POSSIBLE | 8514a43e69SBenjamin Herrenschmidt #endif 86b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PS3 87b8b572e1SStephen Rothwell FW_FEATURE_PS3_POSSIBLE | 88b8b572e1SStephen Rothwell #endif 89b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_NATIVE 90b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS | 91b8b572e1SStephen Rothwell #endif 92b8b572e1SStephen Rothwell 0, 93b8b572e1SStephen Rothwell FW_FEATURE_ALWAYS = 94b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PSERIES 95b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_ALWAYS & 96b8b572e1SStephen Rothwell #endif 9714a43e69SBenjamin Herrenschmidt #ifdef CONFIG_PPC_POWERNV 9814a43e69SBenjamin Herrenschmidt FW_FEATURE_POWERNV_ALWAYS & 9914a43e69SBenjamin Herrenschmidt #endif 100b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PS3 101b8b572e1SStephen Rothwell FW_FEATURE_PS3_ALWAYS & 102b8b572e1SStephen Rothwell #endif 103b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_NATIVE 104b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS & 105b8b572e1SStephen Rothwell #endif 106b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE, 107b8b572e1SStephen Rothwell 108b8b572e1SStephen Rothwell #else /* CONFIG_PPC64 */ 109b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE = 0, 110b8b572e1SStephen Rothwell FW_FEATURE_ALWAYS = 0, 111b8b572e1SStephen Rothwell #endif 112b8b572e1SStephen Rothwell }; 113b8b572e1SStephen Rothwell 114b8b572e1SStephen Rothwell /* This is used to identify firmware features which are available 115b8b572e1SStephen Rothwell * to the kernel. 116b8b572e1SStephen Rothwell */ 117b8b572e1SStephen Rothwell extern unsigned long powerpc_firmware_features; 118b8b572e1SStephen Rothwell 119b8b572e1SStephen Rothwell #define firmware_has_feature(feature) \ 120b8b572e1SStephen Rothwell ((FW_FEATURE_ALWAYS & (feature)) || \ 121b8b572e1SStephen Rothwell (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) 122b8b572e1SStephen Rothwell 123b8b572e1SStephen Rothwell extern void system_reset_fwnmi(void); 124b8b572e1SStephen Rothwell extern void machine_check_fwnmi(void); 125b8b572e1SStephen Rothwell 126b8b572e1SStephen Rothwell /* This is true if we are using the firmware NMI handler (typically LPAR) */ 127b8b572e1SStephen Rothwell extern int fwnmi_active; 128b8b572e1SStephen Rothwell 129b8b572e1SStephen Rothwell extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; 130b8b572e1SStephen Rothwell 1313808a889SBenjamin Herrenschmidt #ifdef CONFIG_PPC_PSERIES 1323808a889SBenjamin Herrenschmidt void pseries_probe_fw_features(void); 1333808a889SBenjamin Herrenschmidt #else 1343808a889SBenjamin Herrenschmidt static inline void pseries_probe_fw_features(void) { }; 1353808a889SBenjamin Herrenschmidt #endif 1363808a889SBenjamin Herrenschmidt 137b8b572e1SStephen Rothwell #endif /* __ASSEMBLY__ */ 138b8b572e1SStephen Rothwell #endif /* __KERNEL__ */ 139b8b572e1SStephen Rothwell #endif /* __ASM_POWERPC_FIRMWARE_H */ 140