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#define FIRMWARE_MAX_FEATURES 63 22 23#define FW_FEATURE_PFT ASM_CONST(0x0000000000000001) 24#define FW_FEATURE_TCE ASM_CONST(0x0000000000000002) 25#define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004) 26#define FW_FEATURE_DABR ASM_CONST(0x0000000000000008) 27#define FW_FEATURE_COPY ASM_CONST(0x0000000000000010) 28#define FW_FEATURE_ASR ASM_CONST(0x0000000000000020) 29#define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040) 30#define FW_FEATURE_TERM ASM_CONST(0x0000000000000080) 31#define FW_FEATURE_PERF ASM_CONST(0x0000000000000100) 32#define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200) 33#define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400) 34#define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800) 35#define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000) 36#define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000) 37#define FW_FEATURE_VIO ASM_CONST(0x0000000000004000) 38#define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000) 39#define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000) 40#define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000) 41#define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000) 42#define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000) 43#define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000) 44#define FW_FEATURE_ISERIES ASM_CONST(0x0000000000200000) 45#define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) 46#define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) 47#define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000) 48#define FW_FEATURE_CMO ASM_CONST(0x0000000002000000) 49 50#ifndef __ASSEMBLY__ 51 52enum { 53#ifdef CONFIG_PPC64 54 FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | 55 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | 56 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | 57 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | 58 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | 59 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | 60 FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR | 61 FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | 62 FW_FEATURE_CMO, 63 FW_FEATURE_PSERIES_ALWAYS = 0, 64 FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, 65 FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, 66 FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 67 FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 68 FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT, 69 FW_FEATURE_CELLEB_ALWAYS = 0, 70 FW_FEATURE_NATIVE_POSSIBLE = 0, 71 FW_FEATURE_NATIVE_ALWAYS = 0, 72 FW_FEATURE_POSSIBLE = 73#ifdef CONFIG_PPC_PSERIES 74 FW_FEATURE_PSERIES_POSSIBLE | 75#endif 76#ifdef CONFIG_PPC_ISERIES 77 FW_FEATURE_ISERIES_POSSIBLE | 78#endif 79#ifdef CONFIG_PPC_PS3 80 FW_FEATURE_PS3_POSSIBLE | 81#endif 82#ifdef CONFIG_PPC_CELLEB 83 FW_FEATURE_CELLEB_POSSIBLE | 84#endif 85#ifdef CONFIG_PPC_NATIVE 86 FW_FEATURE_NATIVE_ALWAYS | 87#endif 88 0, 89 FW_FEATURE_ALWAYS = 90#ifdef CONFIG_PPC_PSERIES 91 FW_FEATURE_PSERIES_ALWAYS & 92#endif 93#ifdef CONFIG_PPC_ISERIES 94 FW_FEATURE_ISERIES_ALWAYS & 95#endif 96#ifdef CONFIG_PPC_PS3 97 FW_FEATURE_PS3_ALWAYS & 98#endif 99#ifdef CONFIG_PPC_CELLEB 100 FW_FEATURE_CELLEB_ALWAYS & 101#endif 102#ifdef CONFIG_PPC_NATIVE 103 FW_FEATURE_NATIVE_ALWAYS & 104#endif 105 FW_FEATURE_POSSIBLE, 106 107#else /* CONFIG_PPC64 */ 108 FW_FEATURE_POSSIBLE = 0, 109 FW_FEATURE_ALWAYS = 0, 110#endif 111}; 112 113/* This is used to identify firmware features which are available 114 * to the kernel. 115 */ 116extern unsigned long powerpc_firmware_features; 117 118#define firmware_has_feature(feature) \ 119 ((FW_FEATURE_ALWAYS & (feature)) || \ 120 (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) 121 122extern void system_reset_fwnmi(void); 123extern void machine_check_fwnmi(void); 124 125/* This is true if we are using the firmware NMI handler (typically LPAR) */ 126extern int fwnmi_active; 127 128extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; 129 130#endif /* __ASSEMBLY__ */ 131#endif /* __KERNEL__ */ 132#endif /* __ASM_POWERPC_FIRMWARE_H */ 133