138 lines
4.7 KiB
C
138 lines
4.7 KiB
C
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/*
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* Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
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*
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* Modifications for ppc64:
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* Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef __ASM_POWERPC_FIRMWARE_H
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#define __ASM_POWERPC_FIRMWARE_H
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#ifdef __KERNEL__
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#include <asm/asm-compat.h>
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#include <asm/feature-fixups.h>
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/* firmware feature bitmask values */
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#define FW_FEATURE_PFT ASM_CONST(0x0000000000000001)
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#define FW_FEATURE_TCE ASM_CONST(0x0000000000000002)
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#define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004)
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#define FW_FEATURE_DABR ASM_CONST(0x0000000000000008)
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#define FW_FEATURE_COPY ASM_CONST(0x0000000000000010)
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#define FW_FEATURE_ASR ASM_CONST(0x0000000000000020)
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#define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040)
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#define FW_FEATURE_TERM ASM_CONST(0x0000000000000080)
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#define FW_FEATURE_PERF ASM_CONST(0x0000000000000100)
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#define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200)
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#define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400)
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#define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800)
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#define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000)
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#define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000)
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#define FW_FEATURE_VIO ASM_CONST(0x0000000000004000)
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#define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000)
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#define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000)
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#define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000)
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#define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000)
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#define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000)
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#define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000)
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#define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000)
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#define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000)
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/* Free ASM_CONST(0x0000000001000000) */
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#define FW_FEATURE_CMO ASM_CONST(0x0000000002000000)
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#define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000)
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#define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000)
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#define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000)
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#define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000)
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#define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000)
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#define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)
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#define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000)
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#ifndef __ASSEMBLY__
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enum {
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#ifdef CONFIG_PPC64
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FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
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FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
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FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
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FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
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FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
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FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
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FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
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FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
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FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
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FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
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FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN,
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FW_FEATURE_PSERIES_ALWAYS = 0,
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FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL,
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FW_FEATURE_POWERNV_ALWAYS = 0,
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FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
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FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
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FW_FEATURE_NATIVE_POSSIBLE = 0,
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FW_FEATURE_NATIVE_ALWAYS = 0,
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FW_FEATURE_POSSIBLE =
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#ifdef CONFIG_PPC_PSERIES
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FW_FEATURE_PSERIES_POSSIBLE |
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#endif
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#ifdef CONFIG_PPC_POWERNV
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FW_FEATURE_POWERNV_POSSIBLE |
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#endif
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#ifdef CONFIG_PPC_PS3
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FW_FEATURE_PS3_POSSIBLE |
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#endif
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#ifdef CONFIG_PPC_NATIVE
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FW_FEATURE_NATIVE_ALWAYS |
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#endif
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0,
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FW_FEATURE_ALWAYS =
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#ifdef CONFIG_PPC_PSERIES
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FW_FEATURE_PSERIES_ALWAYS &
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#endif
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#ifdef CONFIG_PPC_POWERNV
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FW_FEATURE_POWERNV_ALWAYS &
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#endif
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#ifdef CONFIG_PPC_PS3
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FW_FEATURE_PS3_ALWAYS &
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#endif
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#ifdef CONFIG_PPC_NATIVE
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FW_FEATURE_NATIVE_ALWAYS &
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#endif
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FW_FEATURE_POSSIBLE,
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#else /* CONFIG_PPC64 */
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FW_FEATURE_POSSIBLE = 0,
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FW_FEATURE_ALWAYS = 0,
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#endif
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};
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/* This is used to identify firmware features which are available
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* to the kernel.
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*/
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extern unsigned long powerpc_firmware_features;
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#define firmware_has_feature(feature) \
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((FW_FEATURE_ALWAYS & (feature)) || \
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(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
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extern void system_reset_fwnmi(void);
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extern void machine_check_fwnmi(void);
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/* This is true if we are using the firmware NMI handler (typically LPAR) */
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extern int fwnmi_active;
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extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
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#ifdef CONFIG_PPC_PSERIES
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void pseries_probe_fw_features(void);
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#else
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static inline void pseries_probe_fw_features(void) { };
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* __ASM_POWERPC_FIRMWARE_H */
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