1*b8b572e1SStephen Rothwell /* 2*b8b572e1SStephen Rothwell * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) 3*b8b572e1SStephen Rothwell * 4*b8b572e1SStephen Rothwell * Modifications for ppc64: 5*b8b572e1SStephen Rothwell * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> 6*b8b572e1SStephen Rothwell * 7*b8b572e1SStephen Rothwell * This program is free software; you can redistribute it and/or 8*b8b572e1SStephen Rothwell * modify it under the terms of the GNU General Public License 9*b8b572e1SStephen Rothwell * as published by the Free Software Foundation; either version 10*b8b572e1SStephen Rothwell * 2 of the License, or (at your option) any later version. 11*b8b572e1SStephen Rothwell */ 12*b8b572e1SStephen Rothwell #ifndef __ASM_POWERPC_FIRMWARE_H 13*b8b572e1SStephen Rothwell #define __ASM_POWERPC_FIRMWARE_H 14*b8b572e1SStephen Rothwell 15*b8b572e1SStephen Rothwell #ifdef __KERNEL__ 16*b8b572e1SStephen Rothwell 17*b8b572e1SStephen Rothwell #include <asm/asm-compat.h> 18*b8b572e1SStephen Rothwell #include <asm/feature-fixups.h> 19*b8b572e1SStephen Rothwell 20*b8b572e1SStephen Rothwell /* firmware feature bitmask values */ 21*b8b572e1SStephen Rothwell #define FIRMWARE_MAX_FEATURES 63 22*b8b572e1SStephen Rothwell 23*b8b572e1SStephen Rothwell #define FW_FEATURE_PFT ASM_CONST(0x0000000000000001) 24*b8b572e1SStephen Rothwell #define FW_FEATURE_TCE ASM_CONST(0x0000000000000002) 25*b8b572e1SStephen Rothwell #define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004) 26*b8b572e1SStephen Rothwell #define FW_FEATURE_DABR ASM_CONST(0x0000000000000008) 27*b8b572e1SStephen Rothwell #define FW_FEATURE_COPY ASM_CONST(0x0000000000000010) 28*b8b572e1SStephen Rothwell #define FW_FEATURE_ASR ASM_CONST(0x0000000000000020) 29*b8b572e1SStephen Rothwell #define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040) 30*b8b572e1SStephen Rothwell #define FW_FEATURE_TERM ASM_CONST(0x0000000000000080) 31*b8b572e1SStephen Rothwell #define FW_FEATURE_PERF ASM_CONST(0x0000000000000100) 32*b8b572e1SStephen Rothwell #define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200) 33*b8b572e1SStephen Rothwell #define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400) 34*b8b572e1SStephen Rothwell #define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800) 35*b8b572e1SStephen Rothwell #define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000) 36*b8b572e1SStephen Rothwell #define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000) 37*b8b572e1SStephen Rothwell #define FW_FEATURE_VIO ASM_CONST(0x0000000000004000) 38*b8b572e1SStephen Rothwell #define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000) 39*b8b572e1SStephen Rothwell #define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000) 40*b8b572e1SStephen Rothwell #define FW_FEATURE_BULK ASM_CONST(0x0000000000020000) 41*b8b572e1SStephen Rothwell #define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000) 42*b8b572e1SStephen Rothwell #define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000) 43*b8b572e1SStephen Rothwell #define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000) 44*b8b572e1SStephen Rothwell #define FW_FEATURE_ISERIES ASM_CONST(0x0000000000200000) 45*b8b572e1SStephen Rothwell #define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) 46*b8b572e1SStephen Rothwell #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) 47*b8b572e1SStephen Rothwell #define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000) 48*b8b572e1SStephen Rothwell #define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000002000000) 49*b8b572e1SStephen Rothwell #define FW_FEATURE_CMO ASM_CONST(0x0000000004000000) 50*b8b572e1SStephen Rothwell 51*b8b572e1SStephen Rothwell #ifndef __ASSEMBLY__ 52*b8b572e1SStephen Rothwell 53*b8b572e1SStephen Rothwell enum { 54*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC64 55*b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | 56*b8b572e1SStephen Rothwell FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | 57*b8b572e1SStephen Rothwell FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | 58*b8b572e1SStephen Rothwell FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | 59*b8b572e1SStephen Rothwell FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | 60*b8b572e1SStephen Rothwell FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | 61*b8b572e1SStephen Rothwell FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | 62*b8b572e1SStephen Rothwell FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | FW_FEATURE_CMO, 63*b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_ALWAYS = 0, 64*b8b572e1SStephen Rothwell FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, 65*b8b572e1SStephen Rothwell FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, 66*b8b572e1SStephen Rothwell FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 67*b8b572e1SStephen Rothwell FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, 68*b8b572e1SStephen Rothwell FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT, 69*b8b572e1SStephen Rothwell FW_FEATURE_CELLEB_ALWAYS = 0, 70*b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_POSSIBLE = 0, 71*b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS = 0, 72*b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE = 73*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PSERIES 74*b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_POSSIBLE | 75*b8b572e1SStephen Rothwell #endif 76*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_ISERIES 77*b8b572e1SStephen Rothwell FW_FEATURE_ISERIES_POSSIBLE | 78*b8b572e1SStephen Rothwell #endif 79*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PS3 80*b8b572e1SStephen Rothwell FW_FEATURE_PS3_POSSIBLE | 81*b8b572e1SStephen Rothwell #endif 82*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_CELLEB 83*b8b572e1SStephen Rothwell FW_FEATURE_CELLEB_POSSIBLE | 84*b8b572e1SStephen Rothwell #endif 85*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_NATIVE 86*b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS | 87*b8b572e1SStephen Rothwell #endif 88*b8b572e1SStephen Rothwell 0, 89*b8b572e1SStephen Rothwell FW_FEATURE_ALWAYS = 90*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PSERIES 91*b8b572e1SStephen Rothwell FW_FEATURE_PSERIES_ALWAYS & 92*b8b572e1SStephen Rothwell #endif 93*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_ISERIES 94*b8b572e1SStephen Rothwell FW_FEATURE_ISERIES_ALWAYS & 95*b8b572e1SStephen Rothwell #endif 96*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_PS3 97*b8b572e1SStephen Rothwell FW_FEATURE_PS3_ALWAYS & 98*b8b572e1SStephen Rothwell #endif 99*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_CELLEB 100*b8b572e1SStephen Rothwell FW_FEATURE_CELLEB_ALWAYS & 101*b8b572e1SStephen Rothwell #endif 102*b8b572e1SStephen Rothwell #ifdef CONFIG_PPC_NATIVE 103*b8b572e1SStephen Rothwell FW_FEATURE_NATIVE_ALWAYS & 104*b8b572e1SStephen Rothwell #endif 105*b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE, 106*b8b572e1SStephen Rothwell 107*b8b572e1SStephen Rothwell #else /* CONFIG_PPC64 */ 108*b8b572e1SStephen Rothwell FW_FEATURE_POSSIBLE = 0, 109*b8b572e1SStephen Rothwell FW_FEATURE_ALWAYS = 0, 110*b8b572e1SStephen Rothwell #endif 111*b8b572e1SStephen Rothwell }; 112*b8b572e1SStephen Rothwell 113*b8b572e1SStephen Rothwell /* This is used to identify firmware features which are available 114*b8b572e1SStephen Rothwell * to the kernel. 115*b8b572e1SStephen Rothwell */ 116*b8b572e1SStephen Rothwell extern unsigned long powerpc_firmware_features; 117*b8b572e1SStephen Rothwell 118*b8b572e1SStephen Rothwell #define firmware_has_feature(feature) \ 119*b8b572e1SStephen Rothwell ((FW_FEATURE_ALWAYS & (feature)) || \ 120*b8b572e1SStephen Rothwell (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) 121*b8b572e1SStephen Rothwell 122*b8b572e1SStephen Rothwell extern void system_reset_fwnmi(void); 123*b8b572e1SStephen Rothwell extern void machine_check_fwnmi(void); 124*b8b572e1SStephen Rothwell 125*b8b572e1SStephen Rothwell /* This is true if we are using the firmware NMI handler (typically LPAR) */ 126*b8b572e1SStephen Rothwell extern int fwnmi_active; 127*b8b572e1SStephen Rothwell 128*b8b572e1SStephen Rothwell extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; 129*b8b572e1SStephen Rothwell 130*b8b572e1SStephen Rothwell #endif /* __ASSEMBLY__ */ 131*b8b572e1SStephen Rothwell #endif /* __KERNEL__ */ 132*b8b572e1SStephen Rothwell #endif /* __ASM_POWERPC_FIRMWARE_H */ 133