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/*
* Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
*
* Modifications for ppc64:
* Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef __ASM_POWERPC_FIRMWARE_H
#define __ASM_POWERPC_FIRMWARE_H
#ifdef __KERNEL__
#include <asm/asm-compat.h>
/* firmware feature bitmask values */
#define FIRMWARE_MAX_FEATURES 63
#define FW_FEATURE_PFT ASM_CONST(0x0000000000000001)
#define FW_FEATURE_TCE ASM_CONST(0x0000000000000002)
#define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004)
#define FW_FEATURE_DABR ASM_CONST(0x0000000000000008)
#define FW_FEATURE_COPY ASM_CONST(0x0000000000000010)
#define FW_FEATURE_ASR ASM_CONST(0x0000000000000020)
#define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040)
#define FW_FEATURE_TERM ASM_CONST(0x0000000000000080)
#define FW_FEATURE_PERF ASM_CONST(0x0000000000000100)
#define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200)
#define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400)
#define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800)
#define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000)
#define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000)
#define FW_FEATURE_VIO ASM_CONST(0x0000000000004000)
#define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000)
#define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000)
#define FW_FEATURE_BULK ASM_CONST(0x0000000000020000)
#define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000)
#define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000)
#define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000)
#define FW_FEATURE_ISERIES ASM_CONST(0x0000000000200000)
#define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000)
#ifndef __ASSEMBLY__
enum {
#ifdef CONFIG_PPC64
FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
FW_FEATURE_SPLPAR | FW_FEATURE_LPAR,
FW_FEATURE_PSERIES_ALWAYS = 0,
FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR,
FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR,
FW_FEATURE_POSSIBLE =
#ifdef CONFIG_PPC_PSERIES
FW_FEATURE_PSERIES_POSSIBLE |
#endif
#ifdef CONFIG_PPC_ISERIES
FW_FEATURE_ISERIES_POSSIBLE |
#endif
#ifdef CONFIG_PS3
FW_FEATURE_PS3_POSSIBLE |
#endif
0,
FW_FEATURE_ALWAYS =
#ifdef CONFIG_PPC_PSERIES
FW_FEATURE_PSERIES_ALWAYS &
#endif
#ifdef CONFIG_PPC_ISERIES
FW_FEATURE_ISERIES_ALWAYS &
#endif
#ifdef CONFIG_PS3
FW_FEATURE_PS3_ALWAYS &
#endif
FW_FEATURE_POSSIBLE,
#else /* CONFIG_PPC64 */
FW_FEATURE_POSSIBLE = 0,
FW_FEATURE_ALWAYS = 0,
#endif
};
/* This is used to identify firmware features which are available
* to the kernel.
*/
extern unsigned long powerpc_firmware_features;
#define firmware_has_feature(feature) \
((FW_FEATURE_ALWAYS & (feature)) || \
(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
extern void system_reset_fwnmi(void);
extern void machine_check_fwnmi(void);
/* This is true if we are using the firmware NMI handler (typically LPAR) */
extern int fwnmi_active;
extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
#else /* __ASSEMBLY__ */
#define BEGIN_FW_FTR_SECTION_NESTED(label) label:
#define BEGIN_FW_FTR_SECTION BEGIN_FW_FTR_SECTION_NESTED(97)
#define END_FW_FTR_SECTION_NESTED(msk, val, label) \
MAKE_FTR_SECTION_ENTRY(msk, val, label, __fw_ftr_fixup)
#define END_FW_FTR_SECTION(msk, val) \
END_FW_FTR_SECTION_NESTED(msk, val, 97)
#define END_FW_FTR_SECTION_IFSET(msk) END_FW_FTR_SECTION((msk), (msk))
#define END_FW_FTR_SECTION_IFCLR(msk) END_FW_FTR_SECTION((msk), 0)
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_FIRMWARE_H */
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