[deliverable/linux.git] / include / asm-powerpc / firmware.h

/*
 *  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>
#include <asm/feature-fixups.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)
#define FW_FEATURE_PS3_LV1	ASM_CONST(0x0000000000800000)
#define FW_FEATURE_BEAT		ASM_CONST(0x0000000001000000)
#define FW_FEATURE_BULK_REMOVE	ASM_CONST(0x0000000002000000)
#define FW_FEATURE_CMO		ASM_CONST(0x0000000004000000)

#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_CMO,
	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_LV1,
	FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
	FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT,
	FW_FEATURE_CELLEB_ALWAYS = 0,
	FW_FEATURE_NATIVE_POSSIBLE = 0,
	FW_FEATURE_NATIVE_ALWAYS = 0,
	FW_FEATURE_POSSIBLE =
#ifdef CONFIG_PPC_PSERIES
		FW_FEATURE_PSERIES_POSSIBLE |
#endif
#ifdef CONFIG_PPC_ISERIES
		FW_FEATURE_ISERIES_POSSIBLE |
#endif
#ifdef CONFIG_PPC_PS3
		FW_FEATURE_PS3_POSSIBLE |
#endif
#ifdef CONFIG_PPC_CELLEB
		FW_FEATURE_CELLEB_POSSIBLE |
#endif
#ifdef CONFIG_PPC_NATIVE
		FW_FEATURE_NATIVE_ALWAYS |
#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_PPC_PS3
		FW_FEATURE_PS3_ALWAYS &
#endif
#ifdef CONFIG_PPC_CELLEB
		FW_FEATURE_CELLEB_ALWAYS &
#endif
#ifdef CONFIG_PPC_NATIVE
		FW_FEATURE_NATIVE_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;

#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_FIRMWARE_H */
Commit	Line	Data
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
21f35f28 ME	13	#define __ASM_POWERPC_FIRMWARE_H
1ababe11 SR	14
	15	#ifdef __KERNEL__
	16
3f639ee8	17	#include <asm/asm-compat.h>
c5157e58	18	#include <asm/feature-fixups.h>
1ababe11 SR	19
	20	/* firmware feature bitmask values */
	21	#define FIRMWARE_MAX_FEATURES 63
	22
3f639ee8 SR	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)
e22ba7e3	46	#define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000)
c347b798	47	#define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000)
12e86f92	48	#define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000002000000)
e46de429	49	#define FW_FEATURE_CMO ASM_CONST(0x0000000004000000)
3f639ee8 SR	50
3f639ee8 SR	51	#ifndef __ASSEMBLY__
1ababe11	52
8d15a3e5	53	enum {
799d6046	54	#ifdef CONFIG_PPC64
aed31351	55	FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT \| FW_FEATURE_TCE \|
8d15a3e5 SR	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 \|
e46de429	62	FW_FEATURE_SPLPAR \| FW_FEATURE_LPAR \| FW_FEATURE_CMO,
aed31351	63	FW_FEATURE_PSERIES_ALWAYS = 0,
57cfb814 ME	64	FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES \| FW_FEATURE_LPAR,
57cfb814 ME	65	FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES \| FW_FEATURE_LPAR,
e22ba7e3 AB	66	FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR \| FW_FEATURE_PS3_LV1,
e22ba7e3 AB	67	FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR \| FW_FEATURE_PS3_LV1,
c347b798	68	FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR \| FW_FEATURE_BEAT,
9858ee8a	69	FW_FEATURE_CELLEB_ALWAYS = 0,
e22ba7e3 AB	70	FW_FEATURE_NATIVE_POSSIBLE = 0,
e22ba7e3 AB	71	FW_FEATURE_NATIVE_ALWAYS = 0,
8d15a3e5 SR	72	FW_FEATURE_POSSIBLE =
8d15a3e5 SR	73	#ifdef CONFIG_PPC_PSERIES
aed31351 SR	74	FW_FEATURE_PSERIES_POSSIBLE \|
	75	#endif
	76	#ifdef CONFIG_PPC_ISERIES
	77	FW_FEATURE_ISERIES_POSSIBLE \|
82a527f0	78	#endif
eb30c720	79	#ifdef CONFIG_PPC_PS3
82a527f0	80	FW_FEATURE_PS3_POSSIBLE \|
e22ba7e3	81	#endif
c347b798 IK	82	#ifdef CONFIG_PPC_CELLEB
	83	FW_FEATURE_CELLEB_POSSIBLE \|
	84	#endif
e22ba7e3 AB	85	#ifdef CONFIG_PPC_NATIVE
e22ba7e3 AB	86	FW_FEATURE_NATIVE_ALWAYS \|
8d15a3e5 SR	87	#endif
8d15a3e5 SR	88	0,
aed31351 SR	89	FW_FEATURE_ALWAYS =
	90	#ifdef CONFIG_PPC_PSERIES
	91	FW_FEATURE_PSERIES_ALWAYS &
	92	#endif
	93	#ifdef CONFIG_PPC_ISERIES
	94	FW_FEATURE_ISERIES_ALWAYS &
82a527f0	95	#endif
eb30c720	96	#ifdef CONFIG_PPC_PS3
82a527f0	97	FW_FEATURE_PS3_ALWAYS &
e22ba7e3	98	#endif
c347b798 IK	99	#ifdef CONFIG_PPC_CELLEB
	100	FW_FEATURE_CELLEB_ALWAYS &
	101	#endif
e22ba7e3 AB	102	#ifdef CONFIG_PPC_NATIVE
e22ba7e3 AB	103	FW_FEATURE_NATIVE_ALWAYS &
aed31351 SR	104	#endif
aed31351 SR	105	FW_FEATURE_POSSIBLE,
799d6046 PM	106
	107	#else /* CONFIG_PPC64 */
	108	FW_FEATURE_POSSIBLE = 0,
	109	FW_FEATURE_ALWAYS = 0,
	110	#endif
8d15a3e5 SR	111	};
8d15a3e5 SR	112
1ababe11 SR	113	/* This is used to identify firmware features which are available
	114	* to the kernel.
	115	*/
d0160bf0	116	extern unsigned long powerpc_firmware_features;
1ababe11	117
dd4d7bfa ME	118	#define firmware_has_feature(feature) \
dd4d7bfa ME	119	((FW_FEATURE_ALWAYS & (feature)) \|\| \
d0160bf0	120	(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
1ababe11	121
8c4f1f29 ME	122	extern void system_reset_fwnmi(void);
	123	extern void machine_check_fwnmi(void);
	124
	125	/* This is true if we are using the firmware NMI handler (typically LPAR) */
	126	extern int fwnmi_active;
	127
42c4aaad BH	128	extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
42c4aaad BH	129
1ababe11 SR	130	#endif /* __ASSEMBLY__ */
1ababe11 SR	131	#endif /* __KERNEL__ */
21f35f28	132	#endif /* __ASM_POWERPC_FIRMWARE_H */