2 * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
4 * Modifications for ppc64:
5 * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
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.
12 #ifndef __ASM_POWERPC_FIRMWARE_H
13 #define __ASM_POWERPC_FIRMWARE_H
17 #include <asm/asm-compat.h>
18 #include <asm/feature-fixups.h>
20 /* firmware feature bitmask values */
21 #define FIRMWARE_MAX_FEATURES 63
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)
46 #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000)
47 #define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000)
48 #define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000002000000)
49 #define FW_FEATURE_CMO ASM_CONST(0x0000000004000000)
55 FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
56 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
57 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
58 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
59 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
60 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
61 FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
62 FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | 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,
73 #ifdef CONFIG_PPC_PSERIES
74 FW_FEATURE_PSERIES_POSSIBLE |
76 #ifdef CONFIG_PPC_ISERIES
77 FW_FEATURE_ISERIES_POSSIBLE |
80 FW_FEATURE_PS3_POSSIBLE |
82 #ifdef CONFIG_PPC_CELLEB
83 FW_FEATURE_CELLEB_POSSIBLE |
85 #ifdef CONFIG_PPC_NATIVE
86 FW_FEATURE_NATIVE_ALWAYS |
90 #ifdef CONFIG_PPC_PSERIES
91 FW_FEATURE_PSERIES_ALWAYS &
93 #ifdef CONFIG_PPC_ISERIES
94 FW_FEATURE_ISERIES_ALWAYS &
97 FW_FEATURE_PS3_ALWAYS &
99 #ifdef CONFIG_PPC_CELLEB
100 FW_FEATURE_CELLEB_ALWAYS &
102 #ifdef CONFIG_PPC_NATIVE
103 FW_FEATURE_NATIVE_ALWAYS &
107 #else /* CONFIG_PPC64 */
108 FW_FEATURE_POSSIBLE = 0,
109 FW_FEATURE_ALWAYS = 0,
113 /* This is used to identify firmware features which are available
116 extern unsigned long powerpc_firmware_features;
118 #define firmware_has_feature(feature) \
119 ((FW_FEATURE_ALWAYS & (feature)) || \
120 (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
122 extern void system_reset_fwnmi(void);
123 extern void machine_check_fwnmi(void);
125 /* This is true if we are using the firmware NMI handler (typically LPAR) */
126 extern int fwnmi_active;
128 extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
130 #endif /* __ASSEMBLY__ */
131 #endif /* __KERNEL__ */
132 #endif /* __ASM_POWERPC_FIRMWARE_H */