Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-ppc64/firmware.h |
| 3 | * |
| 4 | * Extracted from include/asm-ppc64/cputable.h |
| 5 | * |
| 6 | * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) |
| 7 | * |
| 8 | * Modifications for ppc64: |
| 9 | * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License |
| 13 | * as published by the Free Software Foundation; either version |
| 14 | * 2 of the License, or (at your option) any later version. |
| 15 | */ |
| 16 | #ifndef __ASM_PPC_FIRMWARE_H |
| 17 | #define __ASM_PPC_FIRMWARE_H |
| 18 | |
| 19 | #ifdef __KERNEL__ |
| 20 | |
| 21 | #ifndef __ASSEMBLY__ |
| 22 | |
| 23 | /* firmware feature bitmask values */ |
| 24 | #define FIRMWARE_MAX_FEATURES 63 |
| 25 | |
| 26 | #define FW_FEATURE_PFT (1UL<<0) |
| 27 | #define FW_FEATURE_TCE (1UL<<1) |
| 28 | #define FW_FEATURE_SPRG0 (1UL<<2) |
| 29 | #define FW_FEATURE_DABR (1UL<<3) |
| 30 | #define FW_FEATURE_COPY (1UL<<4) |
| 31 | #define FW_FEATURE_ASR (1UL<<5) |
| 32 | #define FW_FEATURE_DEBUG (1UL<<6) |
| 33 | #define FW_FEATURE_TERM (1UL<<7) |
| 34 | #define FW_FEATURE_PERF (1UL<<8) |
| 35 | #define FW_FEATURE_DUMP (1UL<<9) |
| 36 | #define FW_FEATURE_INTERRUPT (1UL<<10) |
| 37 | #define FW_FEATURE_MIGRATE (1UL<<11) |
| 38 | #define FW_FEATURE_PERFMON (1UL<<12) |
| 39 | #define FW_FEATURE_CRQ (1UL<<13) |
| 40 | #define FW_FEATURE_VIO (1UL<<14) |
| 41 | #define FW_FEATURE_RDMA (1UL<<15) |
| 42 | #define FW_FEATURE_LLAN (1UL<<16) |
| 43 | #define FW_FEATURE_BULK (1UL<<17) |
| 44 | #define FW_FEATURE_XDABR (1UL<<18) |
| 45 | #define FW_FEATURE_MULTITCE (1UL<<19) |
| 46 | #define FW_FEATURE_SPLPAR (1UL<<20) |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 47 | #define FW_FEATURE_ISERIES (1UL<<21) |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 48 | |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 49 | enum { |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 50 | FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 51 | FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | |
| 52 | FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | |
| 53 | FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | |
| 54 | FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | |
| 55 | FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | |
| 56 | FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | |
| 57 | FW_FEATURE_SPLPAR, |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 58 | FW_FEATURE_PSERIES_ALWAYS = 0, |
| 59 | FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES, |
| 60 | FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES, |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 61 | FW_FEATURE_POSSIBLE = |
| 62 | #ifdef CONFIG_PPC_PSERIES |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 63 | FW_FEATURE_PSERIES_POSSIBLE | |
| 64 | #endif |
| 65 | #ifdef CONFIG_PPC_ISERIES |
| 66 | FW_FEATURE_ISERIES_POSSIBLE | |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 67 | #endif |
| 68 | 0, |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 69 | FW_FEATURE_ALWAYS = |
| 70 | #ifdef CONFIG_PPC_PSERIES |
| 71 | FW_FEATURE_PSERIES_ALWAYS & |
| 72 | #endif |
| 73 | #ifdef CONFIG_PPC_ISERIES |
| 74 | FW_FEATURE_ISERIES_ALWAYS & |
| 75 | #endif |
| 76 | FW_FEATURE_POSSIBLE, |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 77 | }; |
| 78 | |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 79 | /* This is used to identify firmware features which are available |
| 80 | * to the kernel. |
| 81 | */ |
| 82 | extern unsigned long ppc64_firmware_features; |
| 83 | |
| 84 | static inline unsigned long firmware_has_feature(unsigned long feature) |
| 85 | { |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 86 | return (FW_FEATURE_ALWAYS & feature) || |
| 87 | (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature); |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 88 | } |
| 89 | |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 90 | #ifdef CONFIG_PPC_PSERIES |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 91 | typedef struct { |
| 92 | unsigned long val; |
| 93 | char * name; |
| 94 | } firmware_feature_t; |
| 95 | |
| 96 | extern firmware_feature_t firmware_features_table[]; |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 97 | #endif |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 98 | |
| 99 | #endif /* __ASSEMBLY__ */ |
| 100 | #endif /* __KERNEL__ */ |
| 101 | #endif /* __ASM_PPC_FIRMWARE_H */ |