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 #define FIRMWARE_MAX_FEATURES 63 22b8b572e1SStephen Rothwell 23b8b572e1SStephen Rothwell #define FW_FEATURE_PFT ASM_CONST(0x0000000000000001) 24b8b572e1SStephen Rothwell #define FW_FEATURE_TCE ASM_CONST(0x0000000000000002) 25b8b572e1SStephen Rothwell #define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004) 26b8b572e1SStephen Rothwell #define FW_FEATURE_DABR ASM_CONST(0x0000000000000008) 27b8b572e1SStephen Rothwell #define FW_FEATURE_COPY ASM_CONST(0x0000000000000010) 28b8b572e1SStephen Rothwell #define FW_FEATURE_ASR ASM_CONST(0x0000000000000020) 29b8b572e1SStephen Rothwell #define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040) 30b8b572e1SStephen Rothwell #define FW_FEATURE_TERM ASM_CONST(0x0000000000000080) 31b8b572e1SStephen Rothwell #define FW_FEATURE_PERF ASM_CONST(0x0000000000000100) 32b8b572e1SStephen Rothwell #define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200) 33b8b572e1SStephen Rothwell #define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400) 34b8b572e1SStephen Rothwell #define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800) 35b8b572e1SStephen Rothwell #define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000) 36b8b572e1SStephen Rothwell #define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000) 37b8b572e1SStephen Rothwell #define FW_FEATURE_VIO ASM_CONST(0x0000000000004000) 38b8b572e1SStephen Rothwell #define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000) 39b8b572e1SStephen Rothwell #define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000) 40b6dcde5cSAnton Blanchard #define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000) 41b8b572e1SStephen Rothwell #define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000) 42b8b572e1SStephen Rothwell #define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000) 43b8b572e1SStephen Rothwell #define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000) 44b8b572e1SStephen Rothwell #define FW_FEATURE_ISERIES ASM_CONST(0x0000000000200000) 45b8b572e1SStephen Rothwell #define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) 46b8b572e1SStephen Rothwell #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) 47b8b572e1SStephen Rothwell #define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000) 48b6dcde5cSAnton Blanchard #define FW_FEATURE_CMO ASM_CONST(0x0000000002000000) 4936f567b4SJesse Larrew #define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000) 509ee820faSBrian King #define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000) 51*14a43e69SBenjamin Herrenschmidt #define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000) 52*14a43e69SBenjamin Herrenschmidt #define FW_FEATURE_OPALv2 ASM_CONST(0x0000000020000000) 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 | 669ee820faSBrian King FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO, 67b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_ALWAYS = 0, 68b8b572e1SStephen Rothwell FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, 69b8b572e1SStephen Rothwell FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, 70*14a43e69SBenjamin Herrenschmidt FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2, 71*14a43e69SBenjamin Herrenschmidt FW_FEATURE_POWERNV_ALWAYS = 0, 72b8b572e1SStephen Rothwell FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 73b8b572e1SStephen Rothwell FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 74b8b572e1SStephen Rothwell FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT, 75b8b572e1SStephen Rothwell FW_FEATURE_CELLEB_ALWAYS = 0, 76b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_POSSIBLE = 0, 77b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS = 0, 78b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE = 79b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PSERIES 80b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_POSSIBLE | 81b8b572e1SStephen Rothwell #endif 82b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_ISERIES 83b8b572e1SStephen Rothwell FW_FEATURE_ISERIES_POSSIBLE | 84b8b572e1SStephen Rothwell #endif 85*14a43e69SBenjamin Herrenschmidt #ifdef CONFIG_PPC_POWERNV 86*14a43e69SBenjamin Herrenschmidt FW_FEATURE_POWERNV_POSSIBLE | 87*14a43e69SBenjamin Herrenschmidt #endif 88b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PS3 89b8b572e1SStephen Rothwell FW_FEATURE_PS3_POSSIBLE | 90b8b572e1SStephen Rothwell #endif 91b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_CELLEB 92b8b572e1SStephen Rothwell FW_FEATURE_CELLEB_POSSIBLE | 93b8b572e1SStephen Rothwell #endif 94b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_NATIVE 95b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS | 96b8b572e1SStephen Rothwell #endif 97b8b572e1SStephen Rothwell 0, 98b8b572e1SStephen Rothwell FW_FEATURE_ALWAYS = 99b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PSERIES 100b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_ALWAYS & 101b8b572e1SStephen Rothwell #endif 102b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_ISERIES 103b8b572e1SStephen Rothwell FW_FEATURE_ISERIES_ALWAYS & 104b8b572e1SStephen Rothwell #endif 105*14a43e69SBenjamin Herrenschmidt #ifdef CONFIG_PPC_POWERNV 106*14a43e69SBenjamin Herrenschmidt FW_FEATURE_POWERNV_ALWAYS & 107*14a43e69SBenjamin Herrenschmidt #endif 108b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PS3 109b8b572e1SStephen Rothwell FW_FEATURE_PS3_ALWAYS & 110b8b572e1SStephen Rothwell #endif 111b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_CELLEB 112b8b572e1SStephen Rothwell FW_FEATURE_CELLEB_ALWAYS & 113b8b572e1SStephen Rothwell #endif 114b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_NATIVE 115b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS & 116b8b572e1SStephen Rothwell #endif 117b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE, 118b8b572e1SStephen Rothwell 119b8b572e1SStephen Rothwell #else /* CONFIG_PPC64 */ 120b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE = 0, 121b8b572e1SStephen Rothwell FW_FEATURE_ALWAYS = 0, 122b8b572e1SStephen Rothwell #endif 123b8b572e1SStephen Rothwell }; 124b8b572e1SStephen Rothwell 125b8b572e1SStephen Rothwell /* This is used to identify firmware features which are available 126b8b572e1SStephen Rothwell * to the kernel. 127b8b572e1SStephen Rothwell */ 128b8b572e1SStephen Rothwell extern unsigned long powerpc_firmware_features; 129b8b572e1SStephen Rothwell 130b8b572e1SStephen Rothwell #define firmware_has_feature(feature) \ 131b8b572e1SStephen Rothwell ((FW_FEATURE_ALWAYS & (feature)) || \ 132b8b572e1SStephen Rothwell (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) 133b8b572e1SStephen Rothwell 134b8b572e1SStephen Rothwell extern void system_reset_fwnmi(void); 135b8b572e1SStephen Rothwell extern void machine_check_fwnmi(void); 136b8b572e1SStephen Rothwell 137b8b572e1SStephen Rothwell /* This is true if we are using the firmware NMI handler (typically LPAR) */ 138b8b572e1SStephen Rothwell extern int fwnmi_active; 139b8b572e1SStephen Rothwell 140b8b572e1SStephen Rothwell extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; 141b8b572e1SStephen Rothwell 142b8b572e1SStephen Rothwell #endif /* __ASSEMBLY__ */ 143b8b572e1SStephen Rothwell #endif /* __KERNEL__ */ 144b8b572e1SStephen Rothwell #endif /* __ASM_POWERPC_FIRMWARE_H */ 145