1/* 2 * Initial page table for Linux kernel under Hexagon VM, 3 * 4 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 and 8 * only version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18 * 02110-1301, USA. 19 */ 20 21/* 22 * These tables are pre-computed and linked into kernel. 23 */ 24 25#include <asm/vm_mmu.h> 26/* #include <asm/iomap.h> */ 27 28/* 29 * Start with mapping PA=0 to both VA=0x0 and VA=0xc000000 as 16MB large pages. 30 * No user mode access, RWX, write-back cache. The entry needs 31 * to be replicated for all 4 virtual segments mapping to the page. 32 */ 33 34/* "Big Kernel Page" */ 35#define BKP(pa) (((pa) & __HVM_PTE_PGMASK_4MB) \ 36 | __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \ 37 | __HEXAGON_C_WB_L2 << 6 \ 38 | __HVM_PDE_S_16MB) 39 40/* No cache version */ 41 42#define BKPG_IO(pa) (((pa) & __HVM_PTE_PGMASK_16MB) \ 43 | __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \ 44 | __HVM_PDE_S_16MB | __HEXAGON_C_DEV << 6 ) 45 46#define FOURK_IO(pa) (((pa) & __HVM_PTE_PGMASK_4KB) \ 47 | __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \ 48 | __HEXAGON_C_DEV << 6 ) 49 50#define L2_PTR(pa) (((pa) & __HVM_PTE_PGMASK_4KB) \ 51 | __HVM_PDE_S_4KB ) 52 53#define X __HVM_PDE_S_INVALID 54 55 .p2align 12 56 .globl swapper_pg_dir 57 .globl _K_init_segtable 58swapper_pg_dir: 59/* VA 0x00000000 */ 60 .word X,X,X,X 61 .word X,X,X,X 62 .word X,X,X,X 63 .word X,X,X,X 64 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 65 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 66 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 67 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 68 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 69 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 70 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 71 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 72/* VA 0x40000000 */ 73 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 74 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 75 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 76 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 77 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 78 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 79 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 80 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 81/* VA 0x80000000 */ 82 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 83 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 84 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 85 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 86 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 87/*0xa8*/.word X,X,X,X 88#ifdef CONFIG_COMET_EARLY_UART_DEBUG 89UART_PTE_ENTRY: 90/*0xa9*/.word BKPG_IO(0xa9000000),BKPG_IO(0xa9000000),BKPG_IO(0xa9000000),BKPG_IO(0xa9000000) 91#else 92/*0xa9*/.word X,X,X,X 93#endif 94/*0xaa*/.word X,X,X,X 95/*0xab*/.word X,X,X,X 96/*0xac*/.word X,X,X,X 97/*0xad*/.word X,X,X,X 98/*0xae*/.word X,X,X,X 99/*0xaf*/.word X,X,X,X 100/*0xb0*/.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 101 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 102_K_init_segtable: 103/* VA 0xC0000000 */ 104 .word BKP(0x00000000), BKP(0x00400000), BKP(0x00800000), BKP(0x00c00000) 105 .word BKP(0x01000000), BKP(0x01400000), BKP(0x01800000), BKP(0x01c00000) 106 .word BKP(0x02000000), BKP(0x02400000), BKP(0x02800000), BKP(0x02c00000) 107 .word BKP(0x03000000), BKP(0x03400000), BKP(0x03800000), BKP(0x03c00000) 108 .word BKP(0x04000000), BKP(0x04400000), BKP(0x04800000), BKP(0x04c00000) 109 .word BKP(0x05000000), BKP(0x05400000), BKP(0x05800000), BKP(0x05c00000) 110 .word BKP(0x06000000), BKP(0x06400000), BKP(0x06800000), BKP(0x06c00000) 111 .word BKP(0x07000000), BKP(0x07400000), BKP(0x07800000), BKP(0x07c00000) 112 113 .word BKP(0x08000000), BKP(0x08400000), BKP(0x08800000), BKP(0x08c00000) 114 .word BKP(0x09000000), BKP(0x09400000), BKP(0x09800000), BKP(0x09c00000) 115 .word BKP(0x0a000000), BKP(0x0a400000), BKP(0x0a800000), BKP(0x0ac00000) 116 .word BKP(0x0b000000), BKP(0x0b400000), BKP(0x0b800000), BKP(0x0bc00000) 117 .word BKP(0x0c000000), BKP(0x0c400000), BKP(0x0c800000), BKP(0x0cc00000) 118 .word BKP(0x0d000000), BKP(0x0d400000), BKP(0x0d800000), BKP(0x0dc00000) 119 .word BKP(0x0e000000), BKP(0x0e400000), BKP(0x0e800000), BKP(0x0ec00000) 120 .word BKP(0x0f000000), BKP(0x0f400000), BKP(0x0f800000), BKP(0x0fc00000) 121 122 .word BKP(0x10000000), BKP(0x10400000), BKP(0x10800000), BKP(0x10c00000) 123 .word BKP(0x11000000), BKP(0x11400000), BKP(0x11800000), BKP(0x11c00000) 124 .word BKP(0x12000000), BKP(0x12400000), BKP(0x12800000), BKP(0x12c00000) 125 .word BKP(0x13000000), BKP(0x13400000), BKP(0x13800000), BKP(0x13c00000) 126 .word BKP(0x14000000), BKP(0x14400000), BKP(0x14800000), BKP(0x14c00000) 127 .word BKP(0x15000000), BKP(0x15400000), BKP(0x15800000), BKP(0x15c00000) 128 .word BKP(0x16000000), BKP(0x16400000), BKP(0x16800000), BKP(0x16c00000) 129 .word BKP(0x17000000), BKP(0x17400000), BKP(0x17800000), BKP(0x17c00000) 130 131 .word BKP(0x18000000), BKP(0x18400000), BKP(0x18800000), BKP(0x18c00000) 132 .word BKP(0x19000000), BKP(0x19400000), BKP(0x19800000), BKP(0x19c00000) 133 .word BKP(0x1a000000), BKP(0x1a400000), BKP(0x1a800000), BKP(0x1ac00000) 134 .word BKP(0x1b000000), BKP(0x1b400000), BKP(0x1b800000), BKP(0x1bc00000) 135 .word BKP(0x1c000000), BKP(0x1c400000), BKP(0x1c800000), BKP(0x1cc00000) 136 .word BKP(0x1d000000), BKP(0x1d400000), BKP(0x1d800000), BKP(0x1dc00000) 137 .word BKP(0x1e000000), BKP(0x1e400000), BKP(0x1e800000), BKP(0x1ec00000) 138 .word BKP(0x1f000000), BKP(0x1f400000), BKP(0x1f800000), BKP(0x1fc00000) 139 140 .word BKP(0x20000000), BKP(0x20400000), BKP(0x20800000), BKP(0x20c00000) 141 .word BKP(0x21000000), BKP(0x21400000), BKP(0x21800000), BKP(0x21c00000) 142 .word BKP(0x22000000), BKP(0x22400000), BKP(0x22800000), BKP(0x22c00000) 143 .word BKP(0x23000000), BKP(0x23400000), BKP(0x23800000), BKP(0x23c00000) 144 .word BKP(0x24000000), BKP(0x24400000), BKP(0x24800000), BKP(0x24c00000) 145 .word BKP(0x25000000), BKP(0x25400000), BKP(0x25800000), BKP(0x25c00000) 146 .word BKP(0x26000000), BKP(0x26400000), BKP(0x26800000), BKP(0x26c00000) 147 .word BKP(0x27000000), BKP(0x27400000), BKP(0x27800000), BKP(0x27c00000) 148 149 .word BKP(0x28000000), BKP(0x28400000), BKP(0x28800000), BKP(0x28c00000) 150 .word BKP(0x29000000), BKP(0x29400000), BKP(0x29800000), BKP(0x29c00000) 151 .word BKP(0x2a000000), BKP(0x2a400000), BKP(0x2a800000), BKP(0x2ac00000) 152 .word BKP(0x2b000000), BKP(0x2b400000), BKP(0x2b800000), BKP(0x2bc00000) 153 .word BKP(0x2c000000), BKP(0x2c400000), BKP(0x2c800000), BKP(0x2cc00000) 154 .word BKP(0x2d000000), BKP(0x2d400000), BKP(0x2d800000), BKP(0x2dc00000) 155 .word BKP(0x2e000000), BKP(0x2e400000), BKP(0x2e800000), BKP(0x2ec00000) 156 .word BKP(0x2f000000), BKP(0x2f400000), BKP(0x2f800000), BKP(0x2fc00000) 157 158 .word BKP(0x30000000), BKP(0x30400000), BKP(0x30800000), BKP(0x30c00000) 159 .word BKP(0x31000000), BKP(0x31400000), BKP(0x31800000), BKP(0x31c00000) 160 .word BKP(0x32000000), BKP(0x32400000), BKP(0x32800000), BKP(0x32c00000) 161 .word BKP(0x33000000), BKP(0x33400000), BKP(0x33800000), BKP(0x33c00000) 162 .word BKP(0x34000000), BKP(0x34400000), BKP(0x34800000), BKP(0x34c00000) 163 .word BKP(0x35000000), BKP(0x35400000), BKP(0x35800000), BKP(0x35c00000) 164 .word BKP(0x36000000), BKP(0x36400000), BKP(0x36800000), BKP(0x36c00000) 165 .word BKP(0x37000000), BKP(0x37400000), BKP(0x37800000), BKP(0x37c00000) 166 167 .word BKP(0x38000000), BKP(0x38400000), BKP(0x38800000), BKP(0x38c00000) 168 .word BKP(0x39000000), BKP(0x39400000), BKP(0x39800000), BKP(0x39c00000) 169 .word BKP(0x3a000000), BKP(0x3a400000), BKP(0x3a800000), BKP(0x3ac00000) 170 .word BKP(0x3b000000), BKP(0x3b400000), BKP(0x3b800000), BKP(0x3bc00000) 171 .word BKP(0x3c000000), BKP(0x3c400000), BKP(0x3c800000), BKP(0x3cc00000) 172 .word BKP(0x3d000000), BKP(0x3d400000), BKP(0x3d800000), BKP(0x3dc00000) 173_K_io_map: 174 .word X,X,X,X /* 0x3e000000 - device IO early remap */ 175 .word X,X,X,X /* 0x3f000000 - hypervisor space*/ 176 177#if 0 178/* 179 * This is in here as an example for devices which need to be mapped really 180 * early. 181 */ 182 .p2align 12 183 .globl _K_io_kmap 184 .globl _K_init_devicetable 185_K_init_devicetable: /* Should be 4MB worth of entries */ 186 .word FOURK_IO(MSM_GPIO1_PHYS),FOURK_IO(MSM_GPIO2_PHYS),FOURK_IO(MSM_SIRC_PHYS),X 187 .word FOURK_IO(TLMM_GPIO1_PHYS),X,X,X 188 .word X,X,X,X 189 .word X,X,X,X 190 .word X,X,X,X 191 .word X,X,X,X 192 .word X,X,X,X 193 .word X,X,X,X 194 .word X,X,X,X 195 .word X,X,X,X 196 .word X,X,X,X 197 .word X,X,X,X 198 .word X,X,X,X 199 .word X,X,X,X 200 .word X,X,X,X 201 .word X,X,X,X 202 .word X,X,X,X 203 .word X,X,X,X 204 .word X,X,X,X 205 .word X,X,X,X 206 .word X,X,X,X 207 .word X,X,X,X 208 .word X,X,X,X 209 .word X,X,X,X 210 .word X,X,X,X 211 .word X,X,X,X 212 .word X,X,X,X 213 .word X,X,X,X 214 .word X,X,X,X 215 .word X,X,X,X 216 .word X,X,X,X 217 .word X,X,X,X 218 .word X,X,X,X 219 .word X,X,X,X 220 .word X,X,X,X 221 .word X,X,X,X 222 .word X,X,X,X 223 .word X,X,X,X 224 .word X,X,X,X 225 .word X,X,X,X 226 .word X,X,X,X 227 .word X,X,X,X 228 .word X,X,X,X 229 .word X,X,X,X 230 .word X,X,X,X 231 .word X,X,X,X 232 .word X,X,X,X 233 .word X,X,X,X 234 .word X,X,X,X 235 .word X,X,X,X 236 .word X,X,X,X 237 .word X,X,X,X 238 .word X,X,X,X 239 .word X,X,X,X 240 .word X,X,X,X 241 .word X,X,X,X 242 .word X,X,X,X 243 .word X,X,X,X 244 .word X,X,X,X 245 .word X,X,X,X 246 .word X,X,X,X 247 .word X,X,X,X 248 .word X,X,X,X 249 .word X,X,X,X 250 .word X,X,X,X 251 .word X,X,X,X 252 .word X,X,X,X 253 .word X,X,X,X 254 .word X,X,X,X 255 .word X,X,X,X 256 .word X,X,X,X 257 .word X,X,X,X 258 .word X,X,X,X 259 .word X,X,X,X 260 .word X,X,X,X 261 .word X,X,X,X 262 .word X,X,X,X 263 .word X,X,X,X 264 .word X,X,X,X 265 .word X,X,X,X 266 .word X,X,X,X 267 .word X,X,X,X 268 .word X,X,X,X 269 .word X,X,X,X 270 .word X,X,X,X 271 .word X,X,X,X 272 .word X,X,X,X 273 .word X,X,X,X 274 .word X,X,X,X 275 .word X,X,X,X 276 .word X,X,X,X 277 .word X,X,X,X 278 .word X,X,X,X 279 .word X,X,X,X 280 .word X,X,X,X 281 .word X,X,X,X 282 .word X,X,X,X 283 .word X,X,X,X 284 .word X,X,X,X 285 .word X,X,X,X 286 .word X,X,X,X 287 .word X,X,X,X 288 .word X,X,X,X 289 .word X,X,X,X 290 .word X,X,X,X 291 .word X,X,X,X 292 .word X,X,X,X 293 .word X,X,X,X 294 .word X,X,X,X 295 .word X,X,X,X 296 .word X,X,X,X 297 .word X,X,X,X 298 .word X,X,X,X 299 .word X,X,X,X 300 .word X,X,X,X 301 .word X,X,X,X 302 .word X,X,X,X 303 .word X,X,X,X 304 .word X,X,X,X 305 .word X,X,X,X 306 .word X,X,X,X 307 .word X,X,X,X 308 .word X,X,X,X 309 .word X,X,X,X 310 .word X,X,X,X 311 .word X,X,X,X 312 .word X,X,X,X 313 .word X,X,X,X 314 .word X,X,X,X 315 .word X,X,X,X 316 .word X,X,X,X 317 .word X,X,X,X 318 .word X,X,X,X 319 .word X,X,X,X 320 .word X,X,X,X 321 .word X,X,X,X 322 .word X,X,X,X 323 .word X,X,X,X 324 .word X,X,X,X 325 .word X,X,X,X 326 .word X,X,X,X 327 .word X,X,X,X 328 .word X,X,X,X 329 .word X,X,X,X 330 .word X,X,X,X 331 .word X,X,X,X 332 .word X,X,X,X 333 .word X,X,X,X 334 .word X,X,X,X 335 .word X,X,X,X 336 .word X,X,X,X 337 .word X,X,X,X 338 .word X,X,X,X 339 .word X,X,X,X 340 .word X,X,X,X 341 .word X,X,X,X 342 .word X,X,X,X 343 .word X,X,X,X 344 .word X,X,X,X 345 .word X,X,X,X 346 .word X,X,X,X 347 .word X,X,X,X 348 .word X,X,X,X 349 .word X,X,X,X 350 .word X,X,X,X 351 .word X,X,X,X 352 .word X,X,X,X 353 .word X,X,X,X 354 .word X,X,X,X 355 .word X,X,X,X 356 .word X,X,X,X 357 .word X,X,X,X 358 .word X,X,X,X 359 .word X,X,X,X 360 .word X,X,X,X 361 .word X,X,X,X 362 .word X,X,X,X 363 .word X,X,X,X 364 .word X,X,X,X 365 .word X,X,X,X 366 .word X,X,X,X 367 .word X,X,X,X 368 .word X,X,X,X 369 .word X,X,X,X 370 .word X,X,X,X 371 .word X,X,X,X 372 .word X,X,X,X 373 .word X,X,X,X 374 .word X,X,X,X 375 .word X,X,X,X 376 .word X,X,X,X 377 .word X,X,X,X 378 .word X,X,X,X 379 .word X,X,X,X 380 .word X,X,X,X 381 .word X,X,X,X 382 .word X,X,X,X 383 .word X,X,X,X 384 .word X,X,X,X 385 .word X,X,X,X 386 .word X,X,X,X 387 .word X,X,X,X 388 .word X,X,X,X 389 .word X,X,X,X 390 .word X,X,X,X 391 .word X,X,X,X 392 .word X,X,X,X 393 .word X,X,X,X 394 .word X,X,X,X 395 .word X,X,X,X 396 .word X,X,X,X 397 .word X,X,X,X 398 .word X,X,X,X 399 .word X,X,X,X 400 .word X,X,X,X 401 .word X,X,X,X 402 .word X,X,X,X 403 .word X,X,X,X 404 .word X,X,X,X 405 .word X,X,X,X 406 .word X,X,X,X 407 .word X,X,X,X 408 .word X,X,X,X 409 .word X,X,X,X 410 .word X,X,X,X 411 .word X,X,X,X 412 .word X,X,X,X 413 .word X,X,X,X 414 .word X,X,X,X 415 .word X,X,X,X 416 .word X,X,X,X 417 .word X,X,X,X 418 .word X,X,X,X 419 .word X,X,X,X 420 .word X,X,X,X 421 .word X,X,X,X 422 .word X,X,X,X 423 .word X,X,X,X 424 .word X,X,X,X 425 .word X,X,X,X 426 .word X,X,X,X 427 .word X,X,X,X 428 .word X,X,X,X 429 .word X,X,X,X 430 .word X,X,X,X 431 .word X,X,X,X 432 .word X,X,X,X 433 .word X,X,X,X 434 .word X,X,X,X 435 .word X,X,X,X 436 .word X,X,X,X 437 .word X,X,X,X 438 .word X,X,X,X 439 .word X,X,X,X 440 .word X,X,X,X 441 .word X,X,X,X 442#endif 443