Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 1 | /* |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 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 | */ |
Michael Ellerman | 21f35f2 | 2005-10-24 15:07:29 +1000 | [diff] [blame] | 12 | #ifndef __ASM_POWERPC_FIRMWARE_H |
| 13 | #define __ASM_POWERPC_FIRMWARE_H |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 14 | |
| 15 | #ifdef __KERNEL__ |
| 16 | |
Stephen Rothwell | 3f639ee | 2006-09-25 18:19:00 +1000 | [diff] [blame] | 17 | #include <asm/asm-compat.h> |
Michael Ellerman | c5157e5 | 2008-06-24 11:32:39 +1000 | [diff] [blame] | 18 | #include <asm/feature-fixups.h> |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 19 | |
| 20 | /* firmware feature bitmask values */ |
| 21 | #define FIRMWARE_MAX_FEATURES 63 |
| 22 | |
Stephen Rothwell | 3f639ee | 2006-09-25 18:19:00 +1000 | [diff] [blame] | 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 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) |
Arnd Bergmann | e22ba7e | 2006-11-27 19:18:57 +0100 | [diff] [blame] | 46 | #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) |
Ishizaki Kou | c347b79 | 2007-02-02 16:47:17 +0900 | [diff] [blame] | 47 | #define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000) |
Paul Mackerras | 12e86f9 | 2007-02-08 15:02:35 +1100 | [diff] [blame] | 48 | #define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000002000000) |
Stephen Rothwell | 3f639ee | 2006-09-25 18:19:00 +1000 | [diff] [blame] | 49 | |
| 50 | #ifndef __ASSEMBLY__ |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 51 | |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 52 | enum { |
Paul Mackerras | 799d604 | 2005-11-10 13:37:51 +1100 | [diff] [blame] | 53 | #ifdef CONFIG_PPC64 |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 54 | FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 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 | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | |
Michael Ellerman | 57cfb81 | 2006-03-21 20:45:59 +1100 | [diff] [blame] | 61 | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR, |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 62 | FW_FEATURE_PSERIES_ALWAYS = 0, |
Michael Ellerman | 57cfb81 | 2006-03-21 20:45:59 +1100 | [diff] [blame] | 63 | FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, |
| 64 | FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, |
Arnd Bergmann | e22ba7e | 2006-11-27 19:18:57 +0100 | [diff] [blame] | 65 | FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, |
| 66 | FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, |
Ishizaki Kou | c347b79 | 2007-02-02 16:47:17 +0900 | [diff] [blame] | 67 | FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT, |
Ishizaki Kou | 9858ee8 | 2007-12-04 19:38:24 +1100 | [diff] [blame] | 68 | FW_FEATURE_CELLEB_ALWAYS = 0, |
Arnd Bergmann | e22ba7e | 2006-11-27 19:18:57 +0100 | [diff] [blame] | 69 | FW_FEATURE_NATIVE_POSSIBLE = 0, |
| 70 | FW_FEATURE_NATIVE_ALWAYS = 0, |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 71 | FW_FEATURE_POSSIBLE = |
| 72 | #ifdef CONFIG_PPC_PSERIES |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 73 | FW_FEATURE_PSERIES_POSSIBLE | |
| 74 | #endif |
| 75 | #ifdef CONFIG_PPC_ISERIES |
| 76 | FW_FEATURE_ISERIES_POSSIBLE | |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 77 | #endif |
Geert Uytterhoeven | eb30c72 | 2006-11-27 19:18:56 +0100 | [diff] [blame] | 78 | #ifdef CONFIG_PPC_PS3 |
Geoff Levand | 82a527f0 | 2006-11-23 00:46:53 +0100 | [diff] [blame] | 79 | FW_FEATURE_PS3_POSSIBLE | |
| 80 | #endif |
Ishizaki Kou | c347b79 | 2007-02-02 16:47:17 +0900 | [diff] [blame] | 81 | #ifdef CONFIG_PPC_CELLEB |
| 82 | FW_FEATURE_CELLEB_POSSIBLE | |
| 83 | #endif |
Arnd Bergmann | e22ba7e | 2006-11-27 19:18:57 +0100 | [diff] [blame] | 84 | #ifdef CONFIG_PPC_NATIVE |
| 85 | FW_FEATURE_NATIVE_ALWAYS | |
| 86 | #endif |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 87 | 0, |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 88 | FW_FEATURE_ALWAYS = |
| 89 | #ifdef CONFIG_PPC_PSERIES |
| 90 | FW_FEATURE_PSERIES_ALWAYS & |
| 91 | #endif |
| 92 | #ifdef CONFIG_PPC_ISERIES |
| 93 | FW_FEATURE_ISERIES_ALWAYS & |
| 94 | #endif |
Geert Uytterhoeven | eb30c72 | 2006-11-27 19:18:56 +0100 | [diff] [blame] | 95 | #ifdef CONFIG_PPC_PS3 |
Geoff Levand | 82a527f0 | 2006-11-23 00:46:53 +0100 | [diff] [blame] | 96 | FW_FEATURE_PS3_ALWAYS & |
| 97 | #endif |
Ishizaki Kou | c347b79 | 2007-02-02 16:47:17 +0900 | [diff] [blame] | 98 | #ifdef CONFIG_PPC_CELLEB |
| 99 | FW_FEATURE_CELLEB_ALWAYS & |
| 100 | #endif |
Arnd Bergmann | e22ba7e | 2006-11-27 19:18:57 +0100 | [diff] [blame] | 101 | #ifdef CONFIG_PPC_NATIVE |
| 102 | FW_FEATURE_NATIVE_ALWAYS & |
| 103 | #endif |
Stephen Rothwell | aed3135 | 2005-08-03 14:43:21 +1000 | [diff] [blame] | 104 | FW_FEATURE_POSSIBLE, |
Paul Mackerras | 799d604 | 2005-11-10 13:37:51 +1100 | [diff] [blame] | 105 | |
| 106 | #else /* CONFIG_PPC64 */ |
| 107 | FW_FEATURE_POSSIBLE = 0, |
| 108 | FW_FEATURE_ALWAYS = 0, |
| 109 | #endif |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame] | 110 | }; |
| 111 | |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 112 | /* This is used to identify firmware features which are available |
| 113 | * to the kernel. |
| 114 | */ |
Michael Ellerman | d0160bf | 2006-03-27 14:26:25 +1100 | [diff] [blame] | 115 | extern unsigned long powerpc_firmware_features; |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 116 | |
Michael Ellerman | dd4d7bf | 2006-03-23 23:33:03 +1100 | [diff] [blame] | 117 | #define firmware_has_feature(feature) \ |
| 118 | ((FW_FEATURE_ALWAYS & (feature)) || \ |
Michael Ellerman | d0160bf | 2006-03-27 14:26:25 +1100 | [diff] [blame] | 119 | (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 120 | |
Michael Ellerman | 8c4f1f2 | 2005-12-04 18:39:33 +1100 | [diff] [blame] | 121 | extern void system_reset_fwnmi(void); |
| 122 | extern void machine_check_fwnmi(void); |
| 123 | |
| 124 | /* This is true if we are using the firmware NMI handler (typically LPAR) */ |
| 125 | extern int fwnmi_active; |
| 126 | |
Benjamin Herrenschmidt | 42c4aaa | 2006-10-24 16:42:40 +1000 | [diff] [blame] | 127 | extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; |
| 128 | |
Stephen Rothwell | 1ababe1 | 2005-08-03 14:35:25 +1000 | [diff] [blame] | 129 | #endif /* __ASSEMBLY__ */ |
| 130 | #endif /* __KERNEL__ */ |
Michael Ellerman | 21f35f2 | 2005-10-24 15:07:29 +1000 | [diff] [blame] | 131 | #endif /* __ASM_POWERPC_FIRMWARE_H */ |