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/arch/powerpc/include/asm/firmware.h

https://github.com/aicjofs/android_kernel_lge_v500_20d
C Header | 135 lines | 106 code | 13 blank | 16 comment | 0 complexity | c554669ae74eb617af66fa6c35e22f6b MD5 | raw file
  1/*
  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 */
 12#ifndef __ASM_POWERPC_FIRMWARE_H
 13#define __ASM_POWERPC_FIRMWARE_H
 14
 15#ifdef __KERNEL__
 16
 17#include <asm/asm-compat.h>
 18#include <asm/feature-fixups.h>
 19
 20/* firmware feature bitmask values */
 21#define FIRMWARE_MAX_FEATURES 63
 22
 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_REMOVE	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_LPAR		ASM_CONST(0x0000000000400000)
 45#define FW_FEATURE_PS3_LV1	ASM_CONST(0x0000000000800000)
 46#define FW_FEATURE_BEAT		ASM_CONST(0x0000000001000000)
 47#define FW_FEATURE_CMO		ASM_CONST(0x0000000002000000)
 48#define FW_FEATURE_VPHN		ASM_CONST(0x0000000004000000)
 49#define FW_FEATURE_XCMO		ASM_CONST(0x0000000008000000)
 50#define FW_FEATURE_OPAL		ASM_CONST(0x0000000010000000)
 51#define FW_FEATURE_OPALv2	ASM_CONST(0x0000000020000000)
 52
 53#ifndef __ASSEMBLY__
 54
 55enum {
 56#ifdef CONFIG_PPC64
 57	FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
 58		FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
 59		FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
 60		FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
 61		FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
 62		FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
 63		FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
 64		FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
 65		FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO,
 66	FW_FEATURE_PSERIES_ALWAYS = 0,
 67	FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2,
 68	FW_FEATURE_POWERNV_ALWAYS = 0,
 69	FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
 70	FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
 71	FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT,
 72	FW_FEATURE_CELLEB_ALWAYS = 0,
 73	FW_FEATURE_NATIVE_POSSIBLE = 0,
 74	FW_FEATURE_NATIVE_ALWAYS = 0,
 75	FW_FEATURE_POSSIBLE =
 76#ifdef CONFIG_PPC_PSERIES
 77		FW_FEATURE_PSERIES_POSSIBLE |
 78#endif
 79#ifdef CONFIG_PPC_POWERNV
 80		FW_FEATURE_POWERNV_POSSIBLE |
 81#endif
 82#ifdef CONFIG_PPC_PS3
 83		FW_FEATURE_PS3_POSSIBLE |
 84#endif
 85#ifdef CONFIG_PPC_CELLEB
 86		FW_FEATURE_CELLEB_POSSIBLE |
 87#endif
 88#ifdef CONFIG_PPC_NATIVE
 89		FW_FEATURE_NATIVE_ALWAYS |
 90#endif
 91		0,
 92	FW_FEATURE_ALWAYS =
 93#ifdef CONFIG_PPC_PSERIES
 94		FW_FEATURE_PSERIES_ALWAYS &
 95#endif
 96#ifdef CONFIG_PPC_POWERNV
 97		FW_FEATURE_POWERNV_ALWAYS &
 98#endif
 99#ifdef CONFIG_PPC_PS3
100		FW_FEATURE_PS3_ALWAYS &
101#endif
102#ifdef CONFIG_PPC_CELLEB
103		FW_FEATURE_CELLEB_ALWAYS &
104#endif
105#ifdef CONFIG_PPC_NATIVE
106		FW_FEATURE_NATIVE_ALWAYS &
107#endif
108		FW_FEATURE_POSSIBLE,
109
110#else /* CONFIG_PPC64 */
111	FW_FEATURE_POSSIBLE = 0,
112	FW_FEATURE_ALWAYS = 0,
113#endif
114};
115
116/* This is used to identify firmware features which are available
117 * to the kernel.
118 */
119extern unsigned long	powerpc_firmware_features;
120
121#define firmware_has_feature(feature)					\
122	((FW_FEATURE_ALWAYS & (feature)) ||				\
123		(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
124
125extern void system_reset_fwnmi(void);
126extern void machine_check_fwnmi(void);
127
128/* This is true if we are using the firmware NMI handler (typically LPAR) */
129extern int fwnmi_active;
130
131extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
132
133#endif /* __ASSEMBLY__ */
134#endif /* __KERNEL__ */
135#endif /* __ASM_POWERPC_FIRMWARE_H */