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 <asm/cputable.h>
  21
  22 struct cpu_spec* cur_cpu_spec = NULL;
  23
  24 extern void __setup_cpu_power3(unsigned long offset, struct cpu_spec* spec);
  25 extern void __setup_cpu_power4(unsigned long offset, struct cpu_spec* spec);
  26
  27
  28 /* We only set the altivec features if the kernel was compiled with altivec
  29  * support
  30  */
  31 #ifdef CONFIG_ALTIVEC
  32 #define CPU_FTR_ALTIVEC_COMP    CPU_FTR_ALTIVEC
  33 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
  34 #else
  35 #define CPU_FTR_ALTIVEC_COMP    0
  36 #define PPC_FEATURE_HAS_ALTIVEC_COMP    0
  37 #endif
  38
  39 struct cpu_spec cpu_specs[] = {
  40     {   /* Power3 */
  41             0xffff0000, 0x00400000, "Power3 (630)",
  42             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  43                     CPU_FTR_DABR | CPU_FTR_IABR,
  44             COMMON_USER_PPC64,
  45             128, 128,
  46             __setup_cpu_power3,
  47             COMMON_PPC64_FW
  48     },
  49     {   /* Power3+ */
  50             0xffff0000, 0x00410000, "Power3 (630+)",
  51             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  52                     CPU_FTR_DABR | CPU_FTR_IABR,
  53             COMMON_USER_PPC64,
  54             128, 128,
  55             __setup_cpu_power3,
  56             COMMON_PPC64_FW
  57     },
  58     {   /* Northstar */
  59             0xffff0000, 0x00330000, "Northstar",
  60             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  61                     CPU_FTR_DABR | CPU_FTR_IABR,
  62             COMMON_USER_PPC64,
  63             128, 128,
  64             __setup_cpu_power3,
  65             COMMON_PPC64_FW
  66     },
  67     {   /* Pulsar */
  68             0xffff0000, 0x00340000, "Pulsar",
  69             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  70                     CPU_FTR_DABR | CPU_FTR_IABR,
  71             COMMON_USER_PPC64,
  72             128, 128,
  73             __setup_cpu_power3,
  74             COMMON_PPC64_FW
  75     },
  76     {   /* I-star */
  77             0xffff0000, 0x00360000, "I-star",
  78             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  79                     CPU_FTR_DABR | CPU_FTR_IABR,
  80             COMMON_USER_PPC64,
  81             128, 128,
  82             __setup_cpu_power3,
  83             COMMON_PPC64_FW
  84     },
  85     {   /* S-star */
  86             0xffff0000, 0x00370000, "S-star",
  87             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  88                     CPU_FTR_DABR | CPU_FTR_IABR,
  89             COMMON_USER_PPC64,
  90             128, 128,
  91             __setup_cpu_power3,
  92             COMMON_PPC64_FW
  93     },
  94     {   /* Power4 */
  95             0xffff0000, 0x00350000, "Power4",
  96             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
  97             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_DABR,
  98             COMMON_USER_PPC64,
  99             128, 128,
 100             __setup_cpu_power4,
 101             COMMON_PPC64_FW
 102     },
 103     {   /* Power4+ */
 104             0xffff0000, 0x00380000, "Power4+",
 105             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 106             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_DABR,
 107             COMMON_USER_PPC64,
 108             128, 128,
 109             __setup_cpu_power4,
 110             COMMON_PPC64_FW
 111     },
 112     {   /* PPC970 */
 113             0xffff0000, 0x00390000, "PPC970",
 114             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 115             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP,
 116             COMMON_USER_PPC64 | PPC_FEATURE_HAS_ALTIVEC_COMP,
 117             128, 128,
 118             __setup_cpu_power4,
 119             COMMON_PPC64_FW
 120     },
 121     {   /* Power5 */
 122             0xffff0000, 0x003a0000, "Power5",
 123             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 124             CPU_FTR_PPCAS_ARCH_V2,
 125             COMMON_USER_PPC64,
 126             128, 128,
 127             __setup_cpu_power4,
 128             COMMON_PPC64_FW
 129     },
 130     {   /* default match */
 131             0x00000000, 0x00000000, "(Power4-Compatible)",
 132             CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
 133             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_DABR,
 134             COMMON_USER_PPC64,
 135             128, 128,
 136             __setup_cpu_power4,
 137             COMMON_PPC64_FW
 138     }
 139 };
 140
 141 firmware_feature_t firmware_features_table[FIRMWARE_MAX_FEATURES] = {
 142     {FW_FEATURE_PFT,            "hcall-pft"},
 143     {FW_FEATURE_TCE,            "hcall-tce"},
 144     {FW_FEATURE_SPRG0,          "hcall-sprg0"},
 145     {FW_FEATURE_DABR,           "hcall-dabr"},
 146     {FW_FEATURE_COPY,           "hcall-copy"},
 147     {FW_FEATURE_ASR,            "hcall-asr"},
 148     {FW_FEATURE_DEBUG,          "hcall-debug"},
 149     {FW_FEATURE_PERF,           "hcall-perf"},
 150     {FW_FEATURE_DUMP,           "hcall-dump"},
 151     {FW_FEATURE_INTERRUPT,      "hcall-interrupt"},
 152     {FW_FEATURE_MIGRATE,        "hcall-migrate"},
 153     {FW_FEATURE_PERFMON,        "hcall-perfmon"},
 154     {FW_FEATURE_CRQ,            "hcall-crq"},
 155     {FW_FEATURE_VIO,            "hcall-vio"},
 156     {FW_FEATURE_RDMA,           "hcall-rdma"},
 157     {FW_FEATURE_LLAN,           "hcall-lLAN"},
 158     {FW_FEATURE_BULK,           "hcall-bulk"},
 159     {FW_FEATURE_XDABR,          "hcall-xdabr"},
 160     {FW_FEATURE_MULTITCE,       "hcall-multi-tce"},
 161     {FW_FEATURE_SPLPAR,         "hcall-splpar"},
 162 };