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/* Free 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_OPALv2 ASM_CONST(0x0000000020000000) 51#define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000) 52#define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000) 53#define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000) 54#define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000) 55#define FW_FEATURE_OPALv3 ASM_CONST(0x0000000400000000) 56 57#ifndef __ASSEMBLY__ 58 59enum { 60#ifdef CONFIG_PPC64 61 FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | 62 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | 63 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | 64 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | 65 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | 66 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | 67 FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR | 68 FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | 69 FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO | 70 FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY | 71 FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN, 72 FW_FEATURE_PSERIES_ALWAYS = 0, 73 FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2 | 74 FW_FEATURE_OPALv3, 75 FW_FEATURE_POWERNV_ALWAYS = 0, 76 FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 77 FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 78 FW_FEATURE_NATIVE_POSSIBLE = 0, 79 FW_FEATURE_NATIVE_ALWAYS = 0, 80 FW_FEATURE_POSSIBLE = 81#ifdef CONFIG_PPC_PSERIES 82 FW_FEATURE_PSERIES_POSSIBLE | 83#endif 84#ifdef CONFIG_PPC_POWERNV 85 FW_FEATURE_POWERNV_POSSIBLE | 86#endif 87#ifdef CONFIG_PPC_PS3 88 FW_FEATURE_PS3_POSSIBLE | 89#endif 90#ifdef CONFIG_PPC_NATIVE 91 FW_FEATURE_NATIVE_ALWAYS | 92#endif 93 0, 94 FW_FEATURE_ALWAYS = 95#ifdef CONFIG_PPC_PSERIES 96 FW_FEATURE_PSERIES_ALWAYS & 97#endif 98#ifdef CONFIG_PPC_POWERNV 99 FW_FEATURE_POWERNV_ALWAYS & 100#endif 101#ifdef CONFIG_PPC_PS3 102 FW_FEATURE_PS3_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 */ 118extern 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 124extern void system_reset_fwnmi(void); 125extern void machine_check_fwnmi(void); 126 127/* This is true if we are using the firmware NMI handler (typically LPAR) */ 128extern int fwnmi_active; 129 130extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; 131 132#endif /* __ASSEMBLY__ */ 133#endif /* __KERNEL__ */ 134#endif /* __ASM_POWERPC_FIRMWARE_H */ 135