Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Stephen Rothwell | 8d15a3e | 2005-08-03 14:40:16 +1000 | [diff] [blame^] | 8 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Arnd Bergmann | fef1c77 | 2005-06-23 09:43:37 +1000 | [diff] [blame] | 37 | extern void __setup_cpu_be(unsigned long offset, struct cpu_spec* spec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
| 39 | |
| 40 | /* We only set the altivec features if the kernel was compiled with altivec |
| 41 | * support |
| 42 | */ |
| 43 | #ifdef CONFIG_ALTIVEC |
| 44 | #define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC |
| 45 | #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC |
| 46 | #else |
| 47 | #define CPU_FTR_ALTIVEC_COMP 0 |
| 48 | #define PPC_FEATURE_HAS_ALTIVEC_COMP 0 |
| 49 | #endif |
| 50 | |
| 51 | struct cpu_spec cpu_specs[] = { |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 52 | { /* Power3 */ |
| 53 | .pvr_mask = 0xffff0000, |
| 54 | .pvr_value = 0x00400000, |
| 55 | .cpu_name = "POWER3 (630)", |
| 56 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 57 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | |
| 58 | CPU_FTR_PMC8, |
| 59 | .cpu_user_features = COMMON_USER_PPC64, |
| 60 | .icache_bsize = 128, |
| 61 | .dcache_bsize = 128, |
| 62 | .cpu_setup = __setup_cpu_power3, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 63 | }, |
| 64 | { /* Power3+ */ |
| 65 | .pvr_mask = 0xffff0000, |
| 66 | .pvr_value = 0x00410000, |
| 67 | .cpu_name = "POWER3 (630+)", |
| 68 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 69 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | |
| 70 | CPU_FTR_PMC8, |
| 71 | .cpu_user_features = COMMON_USER_PPC64, |
| 72 | .icache_bsize = 128, |
| 73 | .dcache_bsize = 128, |
| 74 | .cpu_setup = __setup_cpu_power3, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 75 | }, |
| 76 | { /* Northstar */ |
| 77 | .pvr_mask = 0xffff0000, |
| 78 | .pvr_value = 0x00330000, |
| 79 | .cpu_name = "RS64-II (northstar)", |
| 80 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 81 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | |
Anton Blanchard | a2f7a9c | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 82 | CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 83 | .cpu_user_features = COMMON_USER_PPC64, |
| 84 | .icache_bsize = 128, |
| 85 | .dcache_bsize = 128, |
| 86 | .cpu_setup = __setup_cpu_power3, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 87 | }, |
| 88 | { /* Pulsar */ |
| 89 | .pvr_mask = 0xffff0000, |
| 90 | .pvr_value = 0x00340000, |
| 91 | .cpu_name = "RS64-III (pulsar)", |
| 92 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 93 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | |
Anton Blanchard | a2f7a9c | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 94 | CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 95 | .cpu_user_features = COMMON_USER_PPC64, |
| 96 | .icache_bsize = 128, |
| 97 | .dcache_bsize = 128, |
| 98 | .cpu_setup = __setup_cpu_power3, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 99 | }, |
| 100 | { /* I-star */ |
| 101 | .pvr_mask = 0xffff0000, |
| 102 | .pvr_value = 0x00360000, |
| 103 | .cpu_name = "RS64-III (icestar)", |
| 104 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 105 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | |
Anton Blanchard | a2f7a9c | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 106 | CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 107 | .cpu_user_features = COMMON_USER_PPC64, |
| 108 | .icache_bsize = 128, |
| 109 | .dcache_bsize = 128, |
| 110 | .cpu_setup = __setup_cpu_power3, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 111 | }, |
| 112 | { /* S-star */ |
| 113 | .pvr_mask = 0xffff0000, |
| 114 | .pvr_value = 0x00370000, |
| 115 | .cpu_name = "RS64-IV (sstar)", |
| 116 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 117 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | |
Anton Blanchard | a2f7a9c | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 118 | CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 119 | .cpu_user_features = COMMON_USER_PPC64, |
| 120 | .icache_bsize = 128, |
| 121 | .dcache_bsize = 128, |
| 122 | .cpu_setup = __setup_cpu_power3, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 123 | }, |
| 124 | { /* Power4 */ |
| 125 | .pvr_mask = 0xffff0000, |
| 126 | .pvr_value = 0x00350000, |
| 127 | .cpu_name = "POWER4 (gp)", |
| 128 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 129 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | |
| 130 | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_PMC8 | CPU_FTR_MMCRA, |
| 131 | .cpu_user_features = COMMON_USER_PPC64, |
| 132 | .icache_bsize = 128, |
| 133 | .dcache_bsize = 128, |
| 134 | .cpu_setup = __setup_cpu_power4, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 135 | }, |
| 136 | { /* Power4+ */ |
| 137 | .pvr_mask = 0xffff0000, |
| 138 | .pvr_value = 0x00380000, |
| 139 | .cpu_name = "POWER4+ (gq)", |
| 140 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 141 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | |
| 142 | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_PMC8 | CPU_FTR_MMCRA, |
| 143 | .cpu_user_features = COMMON_USER_PPC64, |
| 144 | .icache_bsize = 128, |
| 145 | .dcache_bsize = 128, |
| 146 | .cpu_setup = __setup_cpu_power4, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 147 | }, |
| 148 | { /* PPC970 */ |
| 149 | .pvr_mask = 0xffff0000, |
| 150 | .pvr_value = 0x00390000, |
| 151 | .cpu_name = "PPC970", |
| 152 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 153 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | |
| 154 | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | |
| 155 | CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA, |
| 156 | .cpu_user_features = COMMON_USER_PPC64 | |
| 157 | PPC_FEATURE_HAS_ALTIVEC_COMP, |
| 158 | .icache_bsize = 128, |
| 159 | .dcache_bsize = 128, |
| 160 | .cpu_setup = __setup_cpu_ppc970, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 161 | }, |
| 162 | { /* PPC970FX */ |
| 163 | .pvr_mask = 0xffff0000, |
| 164 | .pvr_value = 0x003c0000, |
| 165 | .cpu_name = "PPC970FX", |
| 166 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 167 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | |
| 168 | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | |
| 169 | CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA, |
| 170 | .cpu_user_features = COMMON_USER_PPC64 | |
| 171 | PPC_FEATURE_HAS_ALTIVEC_COMP, |
| 172 | .icache_bsize = 128, |
| 173 | .dcache_bsize = 128, |
| 174 | .cpu_setup = __setup_cpu_ppc970, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 175 | }, |
Olof Johansson | f264cc2 | 2005-07-13 01:11:44 -0700 | [diff] [blame] | 176 | { /* PPC970MP */ |
| 177 | .pvr_mask = 0xffff0000, |
| 178 | .pvr_value = 0x00440000, |
| 179 | .cpu_name = "PPC970MP", |
| 180 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 181 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | |
| 182 | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | |
| 183 | CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA, |
| 184 | .cpu_user_features = COMMON_USER_PPC64 | |
| 185 | PPC_FEATURE_HAS_ALTIVEC_COMP, |
| 186 | .icache_bsize = 128, |
| 187 | .dcache_bsize = 128, |
| 188 | .cpu_setup = __setup_cpu_ppc970, |
Olof Johansson | f264cc2 | 2005-07-13 01:11:44 -0700 | [diff] [blame] | 189 | }, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 190 | { /* Power5 */ |
| 191 | .pvr_mask = 0xffff0000, |
| 192 | .pvr_value = 0x003a0000, |
| 193 | .cpu_name = "POWER5 (gr)", |
| 194 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 195 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | |
| 196 | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA | CPU_FTR_SMT | |
| 197 | CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | |
| 198 | CPU_FTR_MMCRA_SIHV, |
| 199 | .cpu_user_features = COMMON_USER_PPC64, |
| 200 | .icache_bsize = 128, |
| 201 | .dcache_bsize = 128, |
| 202 | .cpu_setup = __setup_cpu_power4, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 203 | }, |
| 204 | { /* Power5 */ |
| 205 | .pvr_mask = 0xffff0000, |
| 206 | .pvr_value = 0x003b0000, |
| 207 | .cpu_name = "POWER5 (gs)", |
| 208 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 209 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | |
| 210 | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA | CPU_FTR_SMT | |
| 211 | CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | |
| 212 | CPU_FTR_MMCRA_SIHV, |
| 213 | .cpu_user_features = COMMON_USER_PPC64, |
| 214 | .icache_bsize = 128, |
| 215 | .dcache_bsize = 128, |
| 216 | .cpu_setup = __setup_cpu_power4, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 217 | }, |
| 218 | { /* BE DD1.x */ |
| 219 | .pvr_mask = 0xffff0000, |
| 220 | .pvr_value = 0x00700000, |
| 221 | .cpu_name = "Broadband Engine", |
| 222 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 223 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | |
| 224 | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | |
| 225 | CPU_FTR_SMT, |
| 226 | .cpu_user_features = COMMON_USER_PPC64 | |
| 227 | PPC_FEATURE_HAS_ALTIVEC_COMP, |
| 228 | .icache_bsize = 128, |
| 229 | .dcache_bsize = 128, |
| 230 | .cpu_setup = __setup_cpu_be, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 231 | }, |
| 232 | { /* default match */ |
| 233 | .pvr_mask = 0x00000000, |
| 234 | .pvr_value = 0x00000000, |
| 235 | .cpu_name = "POWER4 (compatible)", |
| 236 | .cpu_features = CPU_FTR_SPLIT_ID_CACHE | |
| 237 | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | |
| 238 | CPU_FTR_PPCAS_ARCH_V2, |
| 239 | .cpu_user_features = COMMON_USER_PPC64, |
| 240 | .icache_bsize = 128, |
| 241 | .dcache_bsize = 128, |
| 242 | .cpu_setup = __setup_cpu_power4, |
Anton Blanchard | 315a699 | 2005-07-07 17:56:11 -0700 | [diff] [blame] | 243 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | }; |