cputable.c

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/*
 *  Copyright (C) 2001 Ben. Herrenschmidt ([e-mail])
 *
 *  Modifications for ppc64:
 *      Copyright (C) 2003 Dave Engebretsen <[e-mail]>
 *
 *  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.
 */

#include <linux/string.h>
#include <linux/sched.h>
#include <linux/threads.h>
#include <linux/init.h>
#include <linux/module.h>

#include <asm/oprofile_impl.h>
#include <asm/cputable.h>
#include <asm/prom.h>		/* for PTRRELOC on ARCH=ppc */

struct cpu_spec* cur_cpu_spec = NULL;
EXPORT_SYMBOL(cur_cpu_spec);

/* NOTE:
 * Unlike ppc32, ppc64 will only call this once for the boot CPU, it's
 * the responsibility of the appropriate CPU save/restore functions to
 * eventually copy these settings over. Those save/restore aren't yet
 * part of the cputable though. That has to be fixed for both ppc32
 * and ppc64
 */
#ifdef CONFIG_PPC32
extern void __setup_cpu_440ep(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_440epx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_440grx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_750cx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_750fx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_7400(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_7410(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_745x(unsigned long offset, struct cpu_spec* spec);
#endif /* CONFIG_PPC32 */
#ifdef CONFIG_PPC64
extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_ppc970MP(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_pa6t(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_pa6t(void);
extern void __restore_cpu_ppc970(void);
#endif /* CONFIG_PPC64 */

/* This table only contains "desktop" CPUs, it need to be filled with embedded
 * ones as well...
 */
#define COMMON_USER		(PPC_FEATURE_32 | PPC_FEATURE_HAS_FPU | \
				 PPC_FEATURE_HAS_MMU)
#define COMMON_USER_PPC64	(COMMON_USER | PPC_FEATURE_64)
#define COMMON_USER_POWER4	(COMMON_USER_PPC64 | PPC_FEATURE_POWER4)
#define COMMON_USER_POWER5	(COMMON_USER_PPC64 | PPC_FEATURE_POWER5 |\
				 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
#define COMMON_USER_POWER5_PLUS	(COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS|\
				 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
#define COMMON_USER_POWER6	(COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_05 |\
				 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
				 PPC_FEATURE_TRUE_LE)
#define COMMON_USER_PA6T	(COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\
				 PPC_FEATURE_TRUE_LE | \
				 PPC_FEATURE_HAS_ALTIVEC_COMP)
#define COMMON_USER_BOOKE	(PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \
				 PPC_FEATURE_BOOKE)

static struct cpu_spec __initdata cpu_specs[] = {
#ifdef CONFIG_PPC64
	{	/* Power3 */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00400000,
		.cpu_name		= "POWER3 (630)",
		.cpu_features		= CPU_FTRS_POWER3,
		.cpu_user_features	= COMMON_USER_PPC64|PPC_FEATURE_PPC_LE,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/power3",
		.oprofile_type		= PPC_OPROFILE_RS64,
		.platform		= "power3",
	},
	{	/* Power3+ */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00410000,
		.cpu_name		= "POWER3 (630+)",
		.cpu_features		= CPU_FTRS_POWER3,
		.cpu_user_features	= COMMON_USER_PPC64|PPC_FEATURE_PPC_LE,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/power3",
		.oprofile_type		= PPC_OPROFILE_RS64,
		.platform		= "power3",
	},
	{	/* Northstar */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00330000,
		.cpu_name		= "RS64-II (northstar)",
		.cpu_features		= CPU_FTRS_RS64,
		.cpu_user_features	= COMMON_USER_PPC64,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/rs64",
		.oprofile_type		= PPC_OPROFILE_RS64,
		.platform		= "rs64",
	},
	{	/* Pulsar */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00340000,
		.cpu_name		= "RS64-III (pulsar)",
		.cpu_features		= CPU_FTRS_RS64,
		.cpu_user_features	= COMMON_USER_PPC64,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/rs64",
		.oprofile_type		= PPC_OPROFILE_RS64,
		.platform		= "rs64",
	},
	{	/* I-star */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00360000,
		.cpu_name		= "RS64-III (icestar)",
		.cpu_features		= CPU_FTRS_RS64,
		.cpu_user_features	= COMMON_USER_PPC64,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/rs64",
		.oprofile_type		= PPC_OPROFILE_RS64,
		.platform		= "rs64",
	},
	{	/* S-star */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00370000,
		.cpu_name		= "RS64-IV (sstar)",
		.cpu_features		= CPU_FTRS_RS64,
		.cpu_user_features	= COMMON_USER_PPC64,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/rs64",
		.oprofile_type		= PPC_OPROFILE_RS64,
		.platform		= "rs64",
	},
	{	/* Power4 */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00350000,
		.cpu_name		= "POWER4 (gp)",
		.cpu_features		= CPU_FTRS_POWER4,
		.cpu_user_features	= COMMON_USER_POWER4,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/power4",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		.platform		= "power4",
	},
	{	/* Power4+ */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00380000,
		.cpu_name		= "POWER4+ (gq)",
		.cpu_features		= CPU_FTRS_POWER4,
		.cpu_user_features	= COMMON_USER_POWER4,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/power4",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		.platform		= "power4",
	},
	{	/* PPC970 */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00390000,
		.cpu_name		= "PPC970",
		.cpu_features		= CPU_FTRS_PPC970,
		.cpu_user_features	= COMMON_USER_POWER4 |
			PPC_FEATURE_HAS_ALTIVEC_COMP,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.cpu_setup		= __setup_cpu_ppc970,
		.cpu_restore		= __restore_cpu_ppc970,
		.oprofile_cpu_type	= "ppc64/970",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		.platform		= "ppc970",
	},
	{	/* PPC970FX */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x003c0000,
		.cpu_name		= "PPC970FX",
		.cpu_features		= CPU_FTRS_PPC970,
		.cpu_user_features	= COMMON_USER_POWER4 |
			PPC_FEATURE_HAS_ALTIVEC_COMP,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.cpu_setup		= __setup_cpu_ppc970,
		.cpu_restore		= __restore_cpu_ppc970,
		.oprofile_cpu_type	= "ppc64/970",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		.platform		= "ppc970",
	},
	{	/* PPC970MP DD1.0 - no DEEPNAP, use regular 970 init */
		.pvr_mask		= 0xffffffff,
		.pvr_value		= 0x00440100,
		.cpu_name		= "PPC970MP",
		.cpu_features		= CPU_FTRS_PPC970,
		.cpu_user_features	= COMMON_USER_POWER4 |
			PPC_FEATURE_HAS_ALTIVEC_COMP,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.cpu_setup		= __setup_cpu_ppc970,
		.cpu_restore		= __restore_cpu_ppc970,
		.oprofile_cpu_type	= "ppc64/970MP",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		.platform		= "ppc970",
	},
	{	/* PPC970MP */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00440000,
		.cpu_name		= "PPC970MP",
		.cpu_features		= CPU_FTRS_PPC970,
		.cpu_user_features	= COMMON_USER_POWER4 |
			PPC_FEATURE_HAS_ALTIVEC_COMP,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.cpu_setup		= __setup_cpu_ppc970MP,
		.cpu_restore		= __restore_cpu_ppc970,
		.oprofile_cpu_type	= "ppc64/970MP",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		.platform		= "ppc970",
	},
	{	/* PPC970GX */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00450000,
		.cpu_name		= "PPC970GX",
		.cpu_features		= CPU_FTRS_PPC970,
		.cpu_user_features	= COMMON_USER_POWER4 |
			PPC_FEATURE_HAS_ALTIVEC_COMP,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 8,
		.pmc_type		= PPC_PMC_IBM,
		.cpu_setup		= __setup_cpu_ppc970,
		.oprofile_cpu_type	= "ppc64/970",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		.platform		= "ppc970",
	},
	{	/* Power5 GR */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x003a0000,
		.cpu_name		= "POWER5 (gr)",
		.cpu_features		= CPU_FTRS_POWER5,
		.cpu_user_features	= COMMON_USER_POWER5,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 6,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/power5",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		/* SIHV / SIPR bits are implemented on POWER4+ (GQ)
		 * and above but only works on POWER5 and above
		 */
		.oprofile_mmcra_sihv	= MMCRA_SIHV,
		.oprofile_mmcra_sipr	= MMCRA_SIPR,
		.platform		= "power5",
	},
	{	/* Power5++ */
		.pvr_mask		= 0xffffff00,
		.pvr_value		= 0x003b0300,
		.cpu_name		= "POWER5+ (gs)",
		.cpu_features		= CPU_FTRS_POWER5,
		.cpu_user_features	= COMMON_USER_POWER5_PLUS,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 6,
		.oprofile_cpu_type	= "ppc64/power5++",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		.oprofile_mmcra_sihv	= MMCRA_SIHV,
		.oprofile_mmcra_sipr	= MMCRA_SIPR,
		.platform		= "power5+",
	},
	{	/* Power5 GS */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x003b0000,
		.cpu_name		= "POWER5+ (gs)",
		.cpu_features		= CPU_FTRS_POWER5,
		.cpu_user_features	= COMMON_USER_POWER5_PLUS,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 6,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/power5+",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		.oprofile_mmcra_sihv	= MMCRA_SIHV,
		.oprofile_mmcra_sipr	= MMCRA_SIPR,
		.platform		= "power5+",
	},
	{	/* POWER6 in P5+ mode; 2.04-compliant processor */
		.pvr_mask		= 0xffffffff,
		.pvr_value		= 0x0f000001,
		.cpu_name		= "POWER5+",
		.cpu_features		= CPU_FTRS_POWER5,
		.cpu_user_features	= COMMON_USER_POWER5_PLUS,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.platform		= "power5+",
	},
	{	/* Power6 */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x003e0000,
		.cpu_name		= "POWER6 (raw)",
		.cpu_features		= CPU_FTRS_POWER6,
		.cpu_user_features	= COMMON_USER_POWER6 |
			PPC_FEATURE_POWER6_EXT,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 6,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/power6",
		.oprofile_type		= PPC_OPROFILE_POWER4,
		.oprofile_mmcra_sihv	= POWER6_MMCRA_SIHV,
		.oprofile_mmcra_sipr	= POWER6_MMCRA_SIPR,
		.oprofile_mmcra_clear	= POWER6_MMCRA_THRM |
			POWER6_MMCRA_OTHER,
		.platform		= "power6x",
	},
	{	/* 2.05-compliant processor, i.e. Power6 "architected" mode */
		.pvr_mask		= 0xffffffff,
		.pvr_value		= 0x0f000002,
		.cpu_name		= "POWER6 (architected)",
		.cpu_features		= CPU_FTRS_POWER6,
		.cpu_user_features	= COMMON_USER_POWER6,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.platform		= "power6",
	},
	{	/* Cell Broadband Engine */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00700000,
		.cpu_name		= "Cell Broadband Engine",
		.cpu_features		= CPU_FTRS_CELL,
		.cpu_user_features	= COMMON_USER_PPC64 |
			PPC_FEATURE_CELL | PPC_FEATURE_HAS_ALTIVEC_COMP |
			PPC_FEATURE_SMT,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 4,
		.pmc_type		= PPC_PMC_IBM,
		.oprofile_cpu_type	= "ppc64/cell-be",
		.oprofile_type		= PPC_OPROFILE_CELL,
		.platform		= "ppc-cell-be",
	},
	{	/* PA Semi PA6T */
		.pvr_mask		= 0x7fff0000,
		.pvr_value		= 0x00900000,
		.cpu_name		= "PA6T",
		.cpu_features		= CPU_FTRS_PA6T,
		.cpu_user_features	= COMMON_USER_PA6T,
		.icache_bsize		= 64,
		.dcache_bsize		= 64,
		.num_pmcs		= 6,
		.pmc_type		= PPC_PMC_PA6T,
		.cpu_setup		= __setup_cpu_pa6t,
		.cpu_restore		= __restore_cpu_pa6t,
		.oprofile_cpu_type	= "ppc64/pa6t",
		.oprofile_type		= PPC_OPROFILE_PA6T,
		.platform		= "pa6t",
	},
	{	/* default match */
		.pvr_mask		= 0x00000000,
		.pvr_value		= 0x00000000,
		.cpu_name		= "POWER4 (compatible)",
		.cpu_features		= CPU_FTRS_COMPATIBLE,
		.cpu_user_features	= COMMON_USER_PPC64,
		.icache_bsize		= 128,
		.dcache_bsize		= 128,
		.num_pmcs		= 6,
		.pmc_type		= PPC_PMC_IBM,
		.platform		= "power4",
	}
#endif	/* CONFIG_PPC64 */
#ifdef CONFIG_PPC32
#if CLASSIC_PPC
	{	/* 601 */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00010000,
		.cpu_name		= "601",
		.cpu_features		= CPU_FTRS_PPC601,
		.cpu_user_features	= COMMON_USER | PPC_FEATURE_601_INSTR |
			PPC_FEATURE_UNIFIED_CACHE | PPC_FEATURE_NO_TB,
		.icache_bsize		= 32,
		.dcache_bsize		= 32,
		.platform		= "ppc601",
	},
	{	/* 603 */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00030000,
		.cpu_name		= "603",
		.cpu_features		= CPU_FTRS_603,
		.cpu_user_features	= COMMON_USER | PPC_FEATURE_PPC_LE,
		.icache_bsize		= 32,
		.dcache_bsize		= 32,
		.cpu_setup		= __setup_cpu_603,
		.platform		= "ppc603",
	},
	{	/* 603e */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00060000,
		.cpu_name		= "603e",
		.cpu_features		= CPU_FTRS_603,
		.cpu_user_features	= COMMON_USER | PPC_FEATURE_PPC_LE,
		.icache_bsize		= 32,
		.dcache_bsize		= 32,
		.cpu_setup		= __setup_cpu_603,
		.platform		= "ppc603",
	},
	{	/* 603ev */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00070000,
		.cpu_name		= "603ev",
		.cpu_features		= CPU_FTRS_603,
		.cpu_user_features	= COMMON_USER | PPC_FEATURE_PPC_LE,
		.icache_bsize		= 32,
		.dcache_bsize		= 32,
		.cpu_setup		= __setup_cpu_603,
		.platform		= "ppc603",
	},
	{	/* 604 */
		.pvr_mask		= 0xffff0000,
		.pvr_value		= 0x00040000,
		.cpu_name		= "604",
		.cpu_features		= CPU_FTRS_604,
		.cpu_user_features	= COMMON_USER | PPC_FEATURE_PPC_LE,
		.icache_bsize		= 32,
		.dcache_bsize		= 32,
		.num_pmcs		= 2,
		.cpu_setup		= __setup_cpu_604,
		.platform		= "ppc604",
	},
	{	/* 604e */
		.pvr_mask		= 0xfffff000,
		.pvr_value		= 0x00090000,
		.cpu_name		= "604e",
		.cpu_features		= CPU_FTRS_604,
		.cpu_user_features	= COMMON_USER | PPC_FEATURE_PPC_LE,
		.icache_bsize		= 32,
		.dcache_bsize		= 32,
		.num_pmcs		= 4,
		.cpu_setup		= __setup_cpu_604,