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Commit | Line | Data |
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1ababe11 | 1 | /* |
1ababe11 SR |
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 | */ | |
21f35f28 ME |
12 | #ifndef __ASM_POWERPC_FIRMWARE_H |
13 | #define __ASM_POWERPC_FIRMWARE_H | |
1ababe11 SR |
14 | |
15 | #ifdef __KERNEL__ | |
16 | ||
3f639ee8 | 17 | #include <asm/asm-compat.h> |
1ababe11 SR |
18 | |
19 | /* firmware feature bitmask values */ | |
20 | #define FIRMWARE_MAX_FEATURES 63 | |
21 | ||
3f639ee8 SR |
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 | ||
46 | #ifndef __ASSEMBLY__ | |
1ababe11 | 47 | |
8d15a3e5 | 48 | enum { |
799d6046 | 49 | #ifdef CONFIG_PPC64 |
aed31351 | 50 | FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | |
8d15a3e5 SR |
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 | | |
57cfb814 | 57 | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR, |
aed31351 | 58 | FW_FEATURE_PSERIES_ALWAYS = 0, |
57cfb814 ME |
59 | FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, |
60 | FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, | |
82a527f0 GL |
61 | FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR, |
62 | FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR, | |
8d15a3e5 SR |
63 | FW_FEATURE_POSSIBLE = |
64 | #ifdef CONFIG_PPC_PSERIES | |
aed31351 SR |
65 | FW_FEATURE_PSERIES_POSSIBLE | |
66 | #endif | |
67 | #ifdef CONFIG_PPC_ISERIES | |
68 | FW_FEATURE_ISERIES_POSSIBLE | | |
82a527f0 | 69 | #endif |
eb30c720 | 70 | #ifdef CONFIG_PPC_PS3 |
82a527f0 | 71 | FW_FEATURE_PS3_POSSIBLE | |
8d15a3e5 SR |
72 | #endif |
73 | 0, | |
aed31351 SR |
74 | FW_FEATURE_ALWAYS = |
75 | #ifdef CONFIG_PPC_PSERIES | |
76 | FW_FEATURE_PSERIES_ALWAYS & | |
77 | #endif | |
78 | #ifdef CONFIG_PPC_ISERIES | |
79 | FW_FEATURE_ISERIES_ALWAYS & | |
82a527f0 | 80 | #endif |
eb30c720 | 81 | #ifdef CONFIG_PPC_PS3 |
82a527f0 | 82 | FW_FEATURE_PS3_ALWAYS & |
aed31351 SR |
83 | #endif |
84 | FW_FEATURE_POSSIBLE, | |
799d6046 PM |
85 | |
86 | #else /* CONFIG_PPC64 */ | |
87 | FW_FEATURE_POSSIBLE = 0, | |
88 | FW_FEATURE_ALWAYS = 0, | |
89 | #endif | |
8d15a3e5 SR |
90 | }; |
91 | ||
1ababe11 SR |
92 | /* This is used to identify firmware features which are available |
93 | * to the kernel. | |
94 | */ | |
d0160bf0 | 95 | extern unsigned long powerpc_firmware_features; |
1ababe11 | 96 | |
dd4d7bfa ME |
97 | #define firmware_has_feature(feature) \ |
98 | ((FW_FEATURE_ALWAYS & (feature)) || \ | |
d0160bf0 | 99 | (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) |
1ababe11 | 100 | |
8c4f1f29 ME |
101 | extern void system_reset_fwnmi(void); |
102 | extern void machine_check_fwnmi(void); | |
103 | ||
104 | /* This is true if we are using the firmware NMI handler (typically LPAR) */ | |
105 | extern int fwnmi_active; | |
106 | ||
42c4aaad BH |
107 | extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; |
108 | ||
3f639ee8 SR |
109 | #else /* __ASSEMBLY__ */ |
110 | ||
0909c8c2 BH |
111 | #define BEGIN_FW_FTR_SECTION_NESTED(label) label: |
112 | #define BEGIN_FW_FTR_SECTION BEGIN_FW_FTR_SECTION_NESTED(97) | |
113 | #define END_FW_FTR_SECTION_NESTED(msk, val, label) \ | |
114 | MAKE_FTR_SECTION_ENTRY(msk, val, label, __fw_ftr_fixup) | |
3f639ee8 | 115 | #define END_FW_FTR_SECTION(msk, val) \ |
0909c8c2 | 116 | END_FW_FTR_SECTION_NESTED(msk, val, 97) |
3f639ee8 SR |
117 | |
118 | #define END_FW_FTR_SECTION_IFSET(msk) END_FW_FTR_SECTION((msk), (msk)) | |
119 | #define END_FW_FTR_SECTION_IFCLR(msk) END_FW_FTR_SECTION((msk), 0) | |
120 | ||
1ababe11 SR |
121 | #endif /* __ASSEMBLY__ */ |
122 | #endif /* __KERNEL__ */ | |
21f35f28 | 123 | #endif /* __ASM_POWERPC_FIRMWARE_H */ |