arch/ppc64/kernel/cputable.c

   1 /*
   2  *  arch/ppc64/kernel/cputable.c
   3  *
   4  *  Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
   5  *
   6  *  Modifications for ppc64:
   7  *      Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
   8  *
   9  *  This program is free software; you can redistribute it and/or
  10  *  modify it under the terms of the GNU General Public License
  11  *  as published by the Free Software Foundation; either version
  12  *  2 of the License, or (at your option) any later version.
  13  */
  14
  15 #include <linux/config.h>
  16 #include <linux/string.h>
  17 #include <linux/sched.h>
  18 #include <linux/threads.h>
  19 #include <linux/init.h>
  20 #include <linux/module.h>
  21
  22 #include <asm/cputable.h>
  23
  24 struct cpu_spec* cur_cpu_spec = NULL;
  25 EXPORT_SYMBOL(cur_cpu_spec);
  26
  27 /* NOTE:
  28  * Unlike ppc32, ppc64 will only call this once for the boot CPU, it's
  29  * the responsibility of the appropriate CPU save/restore functions to
  30  * eventually copy these settings over. Those save/restore aren't yet
  31  * part of the cputable though. That has to be fixed for both ppc32
  32  * and ppc64
  33  */
  34 extern void __setup_cpu_power3(unsigned long offset, struct cpu_spec* spec);
  35 extern void __setup_cpu_power4(unsigned long offset, struct cpu_spec* spec);
  36 extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
  37
  38
  39 /* We only set the altivec features if the kernel was compiled with altivec
  40  * support
  41  */
  42 #ifdef CONFIG_ALTIVEC
  43 #define CPU_FTR_ALTIVEC_COMP    CPU_FTR_ALTIVEC
  44 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
  45 #else
  46 #define CPU_FTR_ALTIVEC_COMP    0
  47 #define PPC_FEATURE_HAS_ALTIVEC_COMP    0
  48 #endif
  49
  50 struct cpu_spec cpu_specs[] = {
  51     {   /* Power3 */
  52             0xffff0000, 0x00400000, "POWER3 (630)",
  53             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  54                     CPU_FTR_IABR | CPU_FTR_PMC8,
  55             COMMON_USER_PPC64,
  56             128, 128,
  57             __setup_cpu_power3,
  58             COMMON_PPC64_FW
  59     },
  60     {   /* Power3+ */
  61             0xffff0000, 0x00410000, "POWER3 (630+)",
  62             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  63                     CPU_FTR_IABR | CPU_FTR_PMC8,
  64             COMMON_USER_PPC64,
  65             128, 128,
  66             __setup_cpu_power3,
  67             COMMON_PPC64_FW
  68     },
  69     {   /* Northstar */
  70             0xffff0000, 0x00330000, "RS64-II (northstar)",
  71             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  72                     CPU_FTR_IABR | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
  73             COMMON_USER_PPC64,
  74             128, 128,
  75             __setup_cpu_power3,
  76             COMMON_PPC64_FW
  77     },
  78     {   /* Pulsar */
  79             0xffff0000, 0x00340000, "RS64-III (pulsar)",
  80             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  81                     CPU_FTR_IABR | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
  82             COMMON_USER_PPC64,
  83             128, 128,
  84             __setup_cpu_power3,
  85             COMMON_PPC64_FW
  86     },
  87     {   /* I-star */
  88             0xffff0000, 0x00360000, "RS64-III (icestar)",
  89             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  90                     CPU_FTR_IABR | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
  91             COMMON_USER_PPC64,
  92             128, 128,
  93             __setup_cpu_power3,
  94             COMMON_PPC64_FW
  95     },
  96     {   /* S-star */
  97             0xffff0000, 0x00370000, "RS64-IV (sstar)",
  98             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  99                     CPU_FTR_IABR | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
 100             COMMON_USER_PPC64,
 101             128, 128,
 102             __setup_cpu_power3,
 103             COMMON_PPC64_FW
 104     },
 105     {   /* Power4 */
 106             0xffff0000, 0x00350000, "POWER4 (gp)",
 107             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 108                     CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
 109             COMMON_USER_PPC64,
 110             128, 128,
 111             __setup_cpu_power4,
 112             COMMON_PPC64_FW
 113     },
 114     {   /* Power4+ */
 115             0xffff0000, 0x00380000, "POWER4+ (gq)",
 116             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 117                     CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
 118             COMMON_USER_PPC64,
 119             128, 128,
 120             __setup_cpu_power4,
 121             COMMON_PPC64_FW
 122     },
 123     {   /* PPC970 */
 124             0xffff0000, 0x00390000, "PPC970",
 125             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 126                     CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
 127                     CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
 128             COMMON_USER_PPC64 | PPC_FEATURE_HAS_ALTIVEC_COMP,
 129             128, 128,
 130             __setup_cpu_ppc970,
 131             COMMON_PPC64_FW
 132     },
 133     {   /* PPC970FX */
 134             0xffff0000, 0x003c0000, "PPC970FX",
 135             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 136                     CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
 137                     CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
 138             COMMON_USER_PPC64 | PPC_FEATURE_HAS_ALTIVEC_COMP,
 139             128, 128,
 140             __setup_cpu_ppc970,
 141             COMMON_PPC64_FW
 142     },
 143     {   /* Power5 */
 144             0xffff0000, 0x003a0000, "POWER5 (gr)",
 145             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 146                     CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA | CPU_FTR_SMT |
 147                     CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE |
 148                     CPU_FTR_MMCRA_SIHV,
 149             COMMON_USER_PPC64,
 150             128, 128,
 151             __setup_cpu_power4,
 152             COMMON_PPC64_FW
 153     },
 154     {   /* Power5 */
 155             0xffff0000, 0x003b0000, "POWER5 (gs)",
 156             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 157                     CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA | CPU_FTR_SMT |
 158                     CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE |
 159                     CPU_FTR_MMCRA_SIHV,
 160             COMMON_USER_PPC64,
 161             128, 128,
 162             __setup_cpu_power4,
 163             COMMON_PPC64_FW
 164     },
 165     {   /* default match */
 166             0x00000000, 0x00000000, "POWER4 (compatible)",
 167             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 168                     CPU_FTR_PPCAS_ARCH_V2,
 169             COMMON_USER_PPC64,
 170             128, 128,
 171             __setup_cpu_power4,
 172             COMMON_PPC64_FW
 173     }
 174 };
 175
 176 firmware_feature_t firmware_features_table[FIRMWARE_MAX_FEATURES] = {
 177     {FW_FEATURE_PFT,            "hcall-pft"},
 178     {FW_FEATURE_TCE,            "hcall-tce"},
 179     {FW_FEATURE_SPRG0,          "hcall-sprg0"},
 180     {FW_FEATURE_DABR,           "hcall-dabr"},
 181     {FW_FEATURE_COPY,           "hcall-copy"},
 182     {FW_FEATURE_ASR,            "hcall-asr"},
 183     {FW_FEATURE_DEBUG,          "hcall-debug"},
 184     {FW_FEATURE_PERF,           "hcall-perf"},
 185     {FW_FEATURE_DUMP,           "hcall-dump"},
 186     {FW_FEATURE_INTERRUPT,      "hcall-interrupt"},
 187     {FW_FEATURE_MIGRATE,        "hcall-migrate"},
 188     {FW_FEATURE_PERFMON,        "hcall-perfmon"},
 189     {FW_FEATURE_CRQ,            "hcall-crq"},
 190     {FW_FEATURE_VIO,            "hcall-vio"},
 191     {FW_FEATURE_RDMA,           "hcall-rdma"},
 192     {FW_FEATURE_LLAN,           "hcall-lLAN"},
 193     {FW_FEATURE_BULK,           "hcall-bulk"},
 194     {FW_FEATURE_XDABR,          "hcall-xdabr"},
 195     {FW_FEATURE_MULTITCE,       "hcall-multi-tce"},
 196     {FW_FEATURE_SPLPAR,         "hcall-splpar"},
 197 };