include/asm-ppc64/cputable.h - linux/kernel/git/davem/net-next - Git at Google

 /*
  *  include/asm-ppc64/cputable.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_PPC_CPUTABLE_H
 #define __ASM_PPC_CPUTABLE_H

 #include <linux/config.h>
 #include <asm/page.h> /* for ASM_CONST */

 /* Exposed to userland CPU features - Must match ppc32 definitions */
 #define PPC_FEATURE_32			0x80000000
 #define PPC_FEATURE_64			0x40000000
 #define PPC_FEATURE_601_INSTR		0x20000000
 #define PPC_FEATURE_HAS_ALTIVEC		0x10000000
 #define PPC_FEATURE_HAS_FPU		0x08000000
 #define PPC_FEATURE_HAS_MMU		0x04000000
 #define PPC_FEATURE_HAS_4xxMAC		0x02000000
 #define PPC_FEATURE_UNIFIED_CACHE	0x01000000

 #ifdef __KERNEL__

 #ifndef __ASSEMBLY__

 /* This structure can grow, it's real size is used by head.S code
  * via the mkdefs mechanism.
  */
 struct cpu_spec;

 typedef	void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);

 struct cpu_spec {
 	/* CPU is matched via (PVR & pvr_mask) == pvr_value */
 	unsigned int	pvr_mask;
 	unsigned int	pvr_value;

 	char		*cpu_name;
 	unsigned long	cpu_features;		/* Kernel features */
 	unsigned int	cpu_user_features;	/* Userland features */

 	/* cache line sizes */
 	unsigned int	icache_bsize;
 	unsigned int	dcache_bsize;

 	/* this is called to initialize various CPU bits like L1 cache,
 	 * BHT, SPD, etc... from head.S before branching to identify_machine
 	 */
 	cpu_setup_t	cpu_setup;

 	/* This is used to identify firmware features which are available
 	 * to the kernel.
 	 */
 	unsigned long   firmware_features;
 };

 extern struct cpu_spec		cpu_specs[];
 extern struct cpu_spec		*cur_cpu_spec;

 static inline unsigned long cpu_has_feature(unsigned long feature)
 {
 	return cur_cpu_spec->cpu_features & feature;
 }


 /* firmware feature bitmask values */
 #define FIRMWARE_MAX_FEATURES 63

 #define FW_FEATURE_PFT		(1UL<<0)
 #define FW_FEATURE_TCE		(1UL<<1)
 #define FW_FEATURE_SPRG0	(1UL<<2)
 #define FW_FEATURE_DABR		(1UL<<3)
 #define FW_FEATURE_COPY		(1UL<<4)
 #define FW_FEATURE_ASR		(1UL<<5)
 #define FW_FEATURE_DEBUG	(1UL<<6)
 #define FW_FEATURE_TERM		(1UL<<7)
 #define FW_FEATURE_PERF		(1UL<<8)
 #define FW_FEATURE_DUMP		(1UL<<9)
 #define FW_FEATURE_INTERRUPT	(1UL<<10)
 #define FW_FEATURE_MIGRATE	(1UL<<11)
 #define FW_FEATURE_PERFMON	(1UL<<12)
 #define FW_FEATURE_CRQ   	(1UL<<13)
 #define FW_FEATURE_VIO   	(1UL<<14)
 #define FW_FEATURE_RDMA   	(1UL<<15)
 #define FW_FEATURE_LLAN   	(1UL<<16)
 #define FW_FEATURE_BULK   	(1UL<<17)
 #define FW_FEATURE_XDABR   	(1UL<<18)
 #define FW_FEATURE_MULTITCE   	(1UL<<19)
 #define FW_FEATURE_SPLPAR   	(1UL<<20)

 typedef struct {
     unsigned long val;
     char * name;
 } firmware_feature_t;

 extern firmware_feature_t firmware_features_table[];

 #endif /* __ASSEMBLY__ */

 /* CPU kernel features */

 /* Retain the 32b definitions for the time being - use bottom half of word */
 #define CPU_FTR_SPLIT_ID_CACHE		ASM_CONST(0x0000000000000001)
 #define CPU_FTR_L2CR			ASM_CONST(0x0000000000000002)
 #define CPU_FTR_SPEC7450		ASM_CONST(0x0000000000000004)
 #define CPU_FTR_ALTIVEC			ASM_CONST(0x0000000000000008)
 #define CPU_FTR_TAU			ASM_CONST(0x0000000000000010)
 #define CPU_FTR_CAN_DOZE		ASM_CONST(0x0000000000000020)
 #define CPU_FTR_USE_TB			ASM_CONST(0x0000000000000040)
 #define CPU_FTR_604_PERF_MON		ASM_CONST(0x0000000000000080)
 #define CPU_FTR_601			ASM_CONST(0x0000000000000100)
 #define CPU_FTR_HPTE_TABLE		ASM_CONST(0x0000000000000200)
 #define CPU_FTR_CAN_NAP			ASM_CONST(0x0000000000000400)
 #define CPU_FTR_L3CR			ASM_CONST(0x0000000000000800)
 #define CPU_FTR_L3_DISABLE_NAP		ASM_CONST(0x0000000000001000)
 #define CPU_FTR_NAP_DISABLE_L2_PR	ASM_CONST(0x0000000000002000)
 #define CPU_FTR_DUAL_PLL_750FX		ASM_CONST(0x0000000000004000)

 /* Add the 64b processor unique features in the top half of the word */
 #define CPU_FTR_SLB           		ASM_CONST(0x0000000100000000)
 #define CPU_FTR_16M_PAGE      		ASM_CONST(0x0000000200000000)
 #define CPU_FTR_TLBIEL         		ASM_CONST(0x0000000400000000)
 #define CPU_FTR_NOEXECUTE     		ASM_CONST(0x0000000800000000)
 #define CPU_FTR_NODSISRALIGN  		ASM_CONST(0x0000001000000000)
 #define CPU_FTR_IABR  			ASM_CONST(0x0000002000000000)
 #define CPU_FTR_MMCRA  			ASM_CONST(0x0000004000000000)
 #define CPU_FTR_PMC8  			ASM_CONST(0x0000008000000000)
 #define CPU_FTR_SMT  			ASM_CONST(0x0000010000000000)
 #define CPU_FTR_COHERENT_ICACHE  	ASM_CONST(0x0000020000000000)
 #define CPU_FTR_LOCKLESS_TLBIE		ASM_CONST(0x0000040000000000)
 #define CPU_FTR_MMCRA_SIHV		ASM_CONST(0x0000080000000000)

 /* Platform firmware features */
 #define FW_FTR_				ASM_CONST(0x0000000000000001)

 #ifndef __ASSEMBLY__
 #define COMMON_USER_PPC64	(PPC_FEATURE_32 | PPC_FEATURE_64 | \
 			         PPC_FEATURE_HAS_FPU | PPC_FEATURE_HAS_MMU)

 #define CPU_FTR_PPCAS_ARCH_V2_BASE (CPU_FTR_SLB | \
                                  CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
                                  CPU_FTR_NODSISRALIGN)

 /* iSeries doesn't support large pages */
 #ifdef CONFIG_PPC_ISERIES
 #define CPU_FTR_PPCAS_ARCH_V2	(CPU_FTR_PPCAS_ARCH_V2_BASE)
 #else
 #define CPU_FTR_PPCAS_ARCH_V2	(CPU_FTR_PPCAS_ARCH_V2_BASE | CPU_FTR_16M_PAGE)
 #endif

 #define COMMON_PPC64_FW	(0)
 #endif

 #ifdef __ASSEMBLY__

 #define BEGIN_FTR_SECTION		98:

 #define END_FTR_SECTION(msk, val)		\
 99:						\
 	.section __ftr_fixup,"a";		\
 	.align 3;				\
 	.llong msk;			        \
 	.llong val;			        \
 	.llong 98b;			        \
 	.llong 99b;	 		        \
 	.previous

 #else

 #define BEGIN_FTR_SECTION		"98:\n"
 #define END_FTR_SECTION(msk, val)		\
 "99:\n"						\
 "	.section __ftr_fixup,\"a\";\n"		\
 "	.align 3;\n"				\
 "	.llong "#msk";\n"			\
 "	.llong "#val";\n"			\
 "	.llong 98b;\n"			        \
 "	.llong 99b;\n"	 		        \
 "	.previous\n"

 #endif /* __ASSEMBLY__ */

 #define END_FTR_SECTION_IFSET(msk)	END_FTR_SECTION((msk), (msk))
 #define END_FTR_SECTION_IFCLR(msk)	END_FTR_SECTION((msk), 0)

 #endif /* __ASM_PPC_CPUTABLE_H */
 #endif /* __KERNEL__ */
	/*
	* include/asm-ppc64/cputable.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_PPC_CPUTABLE_H
	#define __ASM_PPC_CPUTABLE_H

	#include <linux/config.h>
	#include <asm/page.h> /* for ASM_CONST */

	/* Exposed to userland CPU features - Must match ppc32 definitions */
	#define PPC_FEATURE_32 0x80000000
	#define PPC_FEATURE_64 0x40000000
	#define PPC_FEATURE_601_INSTR 0x20000000
	#define PPC_FEATURE_HAS_ALTIVEC 0x10000000
	#define PPC_FEATURE_HAS_FPU 0x08000000
	#define PPC_FEATURE_HAS_MMU 0x04000000
	#define PPC_FEATURE_HAS_4xxMAC 0x02000000
	#define PPC_FEATURE_UNIFIED_CACHE 0x01000000

	#ifdef __KERNEL__

	#ifndef __ASSEMBLY__

	/* This structure can grow, it's real size is used by head.S code
	* via the mkdefs mechanism.
	*/
	struct cpu_spec;

	typedef void (cpu_setup_t)(unsigned long offset, struct cpu_spec spec);

	struct cpu_spec {
	/* CPU is matched via (PVR & pvr_mask) == pvr_value */
	unsigned int pvr_mask;
	unsigned int pvr_value;

	char *cpu_name;
	unsigned long cpu_features; /* Kernel features */
	unsigned int cpu_user_features; /* Userland features */

	/* cache line sizes */
	unsigned int icache_bsize;
	unsigned int dcache_bsize;

	/* this is called to initialize various CPU bits like L1 cache,
	* BHT, SPD, etc... from head.S before branching to identify_machine
	*/
	cpu_setup_t cpu_setup;

	/* This is used to identify firmware features which are available
	* to the kernel.
	*/
	unsigned long firmware_features;
	};

	extern struct cpu_spec cpu_specs[];
	extern struct cpu_spec *cur_cpu_spec;

	static inline unsigned long cpu_has_feature(unsigned long feature)
	{
	return cur_cpu_spec->cpu_features & feature;
	}


	/* firmware feature bitmask values */
	#define FIRMWARE_MAX_FEATURES 63

	#define FW_FEATURE_PFT (1UL<<0)
	#define FW_FEATURE_TCE (1UL<<1)
	#define FW_FEATURE_SPRG0 (1UL<<2)
	#define FW_FEATURE_DABR (1UL<<3)
	#define FW_FEATURE_COPY (1UL<<4)
	#define FW_FEATURE_ASR (1UL<<5)
	#define FW_FEATURE_DEBUG (1UL<<6)
	#define FW_FEATURE_TERM (1UL<<7)
	#define FW_FEATURE_PERF (1UL<<8)
	#define FW_FEATURE_DUMP (1UL<<9)
	#define FW_FEATURE_INTERRUPT (1UL<<10)
	#define FW_FEATURE_MIGRATE (1UL<<11)
	#define FW_FEATURE_PERFMON (1UL<<12)
	#define FW_FEATURE_CRQ (1UL<<13)
	#define FW_FEATURE_VIO (1UL<<14)
	#define FW_FEATURE_RDMA (1UL<<15)
	#define FW_FEATURE_LLAN (1UL<<16)
	#define FW_FEATURE_BULK (1UL<<17)
	#define FW_FEATURE_XDABR (1UL<<18)
	#define FW_FEATURE_MULTITCE (1UL<<19)
	#define FW_FEATURE_SPLPAR (1UL<<20)

	typedef struct {
	unsigned long val;
	char * name;
	} firmware_feature_t;

	extern firmware_feature_t firmware_features_table[];

	#endif /* __ASSEMBLY__ */

	/* CPU kernel features */

	/* Retain the 32b definitions for the time being - use bottom half of word */
	#define CPU_FTR_SPLIT_ID_CACHE ASM_CONST(0x0000000000000001)
	#define CPU_FTR_L2CR ASM_CONST(0x0000000000000002)
	#define CPU_FTR_SPEC7450 ASM_CONST(0x0000000000000004)
	#define CPU_FTR_ALTIVEC ASM_CONST(0x0000000000000008)
	#define CPU_FTR_TAU ASM_CONST(0x0000000000000010)
	#define CPU_FTR_CAN_DOZE ASM_CONST(0x0000000000000020)
	#define CPU_FTR_USE_TB ASM_CONST(0x0000000000000040)
	#define CPU_FTR_604_PERF_MON ASM_CONST(0x0000000000000080)
	#define CPU_FTR_601 ASM_CONST(0x0000000000000100)
	#define CPU_FTR_HPTE_TABLE ASM_CONST(0x0000000000000200)
	#define CPU_FTR_CAN_NAP ASM_CONST(0x0000000000000400)
	#define CPU_FTR_L3CR ASM_CONST(0x0000000000000800)
	#define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x0000000000001000)
	#define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x0000000000002000)
	#define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x0000000000004000)

	/* Add the 64b processor unique features in the top half of the word */
	#define CPU_FTR_SLB ASM_CONST(0x0000000100000000)
	#define CPU_FTR_16M_PAGE ASM_CONST(0x0000000200000000)
	#define CPU_FTR_TLBIEL ASM_CONST(0x0000000400000000)
	#define CPU_FTR_NOEXECUTE ASM_CONST(0x0000000800000000)
	#define CPU_FTR_NODSISRALIGN ASM_CONST(0x0000001000000000)
	#define CPU_FTR_IABR ASM_CONST(0x0000002000000000)
	#define CPU_FTR_MMCRA ASM_CONST(0x0000004000000000)
	#define CPU_FTR_PMC8 ASM_CONST(0x0000008000000000)
	#define CPU_FTR_SMT ASM_CONST(0x0000010000000000)
	#define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0000020000000000)
	#define CPU_FTR_LOCKLESS_TLBIE ASM_CONST(0x0000040000000000)
	#define CPU_FTR_MMCRA_SIHV ASM_CONST(0x0000080000000000)

	/* Platform firmware features */
	#define FW_FTR_ ASM_CONST(0x0000000000000001)

	#ifndef __ASSEMBLY__
	#define COMMON_USER_PPC64 (PPC_FEATURE_32 \| PPC_FEATURE_64 \| \
	PPC_FEATURE_HAS_FPU \| PPC_FEATURE_HAS_MMU)

	#define CPU_FTR_PPCAS_ARCH_V2_BASE (CPU_FTR_SLB \| \
	CPU_FTR_TLBIEL \| CPU_FTR_NOEXECUTE \| \
	CPU_FTR_NODSISRALIGN)

	/* iSeries doesn't support large pages */
	#ifdef CONFIG_PPC_ISERIES
	#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_PPCAS_ARCH_V2_BASE)
	#else
	#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_PPCAS_ARCH_V2_BASE \| CPU_FTR_16M_PAGE)
	#endif

	#define COMMON_PPC64_FW (0)
	#endif

	#ifdef __ASSEMBLY__

	#define BEGIN_FTR_SECTION 98:

	#define END_FTR_SECTION(msk, val) \
	99: \
	.section __ftr_fixup,"a"; \
	.align 3; \
	.llong msk; \
	.llong val; \
	.llong 98b; \
	.llong 99b; \
	.previous

	#else

	#define BEGIN_FTR_SECTION "98:\n"
	#define END_FTR_SECTION(msk, val) \
	"99:\n" \
	" .section __ftr_fixup,\"a\";\n" \
	" .align 3;\n" \
	" .llong "#msk";\n" \
	" .llong "#val";\n" \
	" .llong 98b;\n" \
	" .llong 99b;\n" \
	" .previous\n"

	#endif /* __ASSEMBLY__ */

	#define END_FTR_SECTION_IFSET(msk) END_FTR_SECTION((msk), (msk))
	#define END_FTR_SECTION_IFCLR(msk) END_FTR_SECTION((msk), 0)

	#endif /* __ASM_PPC_CPUTABLE_H */
	#endif /* __KERNEL__ */