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 19/* firmware feature bitmask values */ 20#define FIRMWARE_MAX_FEATURES 63 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 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_ISERIES ASM_CONST(0x0000000000200000) 44#define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) 45#define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) 46#define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000) 47#define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000002000000) 48 49#ifndef __ASSEMBLY__ 50 51enum { 52#ifdef CONFIG_PPC64 53 FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | 54 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | 55 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | 56 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | 57 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | 58 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | 59 FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | 60 FW_FEATURE_SPLPAR | FW_FEATURE_LPAR, 61 FW_FEATURE_PSERIES_ALWAYS = 0, 62 FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, 63 FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, 64 FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 65 FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 66 FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT, 67 FW_FEATURE_CELLEB_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_BEAT, 68 FW_FEATURE_NATIVE_POSSIBLE = 0, 69 FW_FEATURE_NATIVE_ALWAYS = 0, 70 FW_FEATURE_POSSIBLE = 71#ifdef CONFIG_PPC_PSERIES 72 FW_FEATURE_PSERIES_POSSIBLE | 73#endif 74#ifdef CONFIG_PPC_ISERIES 75 FW_FEATURE_ISERIES_POSSIBLE | 76#endif 77#ifdef CONFIG_PPC_PS3 78 FW_FEATURE_PS3_POSSIBLE | 79#endif 80#ifdef CONFIG_PPC_CELLEB 81 FW_FEATURE_CELLEB_POSSIBLE | 82#endif 83#ifdef CONFIG_PPC_NATIVE 84 FW_FEATURE_NATIVE_ALWAYS | 85#endif 86 0, 87 FW_FEATURE_ALWAYS = 88#ifdef CONFIG_PPC_PSERIES 89 FW_FEATURE_PSERIES_ALWAYS & 90#endif 91#ifdef CONFIG_PPC_ISERIES 92 FW_FEATURE_ISERIES_ALWAYS & 93#endif 94#ifdef CONFIG_PPC_PS3 95 FW_FEATURE_PS3_ALWAYS & 96#endif 97#ifdef CONFIG_PPC_CELLEB 98 FW_FEATURE_CELLEB_ALWAYS & 99#endif 100#ifdef CONFIG_PPC_NATIVE 101 FW_FEATURE_NATIVE_ALWAYS & 102#endif 103 FW_FEATURE_POSSIBLE, 104 105#else /* CONFIG_PPC64 */ 106 FW_FEATURE_POSSIBLE = 0, 107 FW_FEATURE_ALWAYS = 0, 108#endif 109}; 110 111/* This is used to identify firmware features which are available 112 * to the kernel. 113 */ 114extern unsigned long powerpc_firmware_features; 115 116#define firmware_has_feature(feature) \ 117 ((FW_FEATURE_ALWAYS & (feature)) || \ 118 (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) 119 120extern void system_reset_fwnmi(void); 121extern void machine_check_fwnmi(void); 122 123/* This is true if we are using the firmware NMI handler (typically LPAR) */ 124extern int fwnmi_active; 125 126extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; 127 128#else /* __ASSEMBLY__ */ 129 130#define BEGIN_FW_FTR_SECTION_NESTED(label) label: 131#define BEGIN_FW_FTR_SECTION BEGIN_FW_FTR_SECTION_NESTED(97) 132#define END_FW_FTR_SECTION_NESTED(msk, val, label) \ 133 MAKE_FTR_SECTION_ENTRY(msk, val, label, __fw_ftr_fixup) 134#define END_FW_FTR_SECTION(msk, val) \ 135 END_FW_FTR_SECTION_NESTED(msk, val, 97) 136 137#define END_FW_FTR_SECTION_IFSET(msk) END_FW_FTR_SECTION((msk), (msk)) 138#define END_FW_FTR_SECTION_IFCLR(msk) END_FW_FTR_SECTION((msk), 0) 139 140#endif /* __ASSEMBLY__ */ 141#endif /* __KERNEL__ */ 142#endif /* __ASM_POWERPC_FIRMWARE_H */ 143