vm_init_segtable.S (12163B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Initial page table for Linux kernel under Hexagon VM, 4 * 5 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. 6 */ 7 8/* 9 * These tables are pre-computed and linked into kernel. 10 */ 11 12#include <asm/vm_mmu.h> 13/* #include <asm/iomap.h> */ 14 15/* 16 * Start with mapping PA=0 to both VA=0x0 and VA=0xc000000 as 16MB large pages. 17 * No user mode access, RWX, write-back cache. The entry needs 18 * to be replicated for all 4 virtual segments mapping to the page. 19 */ 20 21/* "Big Kernel Page" */ 22#define BKP(pa) (((pa) & __HVM_PTE_PGMASK_4MB) \ 23 | __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \ 24 | __HEXAGON_C_WB_L2 << 6 \ 25 | __HVM_PDE_S_16MB) 26 27/* No cache version */ 28 29#define BKPG_IO(pa) (((pa) & __HVM_PTE_PGMASK_16MB) \ 30 | __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \ 31 | __HVM_PDE_S_16MB | __HEXAGON_C_DEV << 6 ) 32 33#define FOURK_IO(pa) (((pa) & __HVM_PTE_PGMASK_4KB) \ 34 | __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \ 35 | __HEXAGON_C_DEV << 6 ) 36 37#define L2_PTR(pa) (((pa) & __HVM_PTE_PGMASK_4KB) \ 38 | __HVM_PDE_S_4KB ) 39 40#define X __HVM_PDE_S_INVALID 41 42 .p2align 12 43 .globl swapper_pg_dir 44 .globl _K_init_segtable 45swapper_pg_dir: 46/* VA 0x00000000 */ 47 .word X,X,X,X 48 .word X,X,X,X 49 .word X,X,X,X 50 .word X,X,X,X 51 .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X 52 .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 53 .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 54 .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 55 .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 56 .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 57 .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 58 .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 59/* VA 0x40000000 */ 60 .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 61 .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 62 .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 63 .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 64 .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 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/* VA 0x80000000 */ 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 .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 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/*0xa8*/.word X,X,X,X 75#ifdef CONFIG_COMET_EARLY_UART_DEBUG 76UART_PTE_ENTRY: 77/*0xa9*/.word BKPG_IO(0xa9000000),BKPG_IO(0xa9000000),BKPG_IO(0xa9000000),BKPG_IO(0xa9000000) 78#else 79/*0xa9*/.word X,X,X,X 80#endif 81/*0xaa*/.word X,X,X,X 82/*0xab*/.word X,X,X,X 83/*0xac*/.word X,X,X,X 84/*0xad*/.word X,X,X,X 85/*0xae*/.word X,X,X,X 86/*0xaf*/.word X,X,X,X 87/*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 88 .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 89_K_init_segtable: 90/* VA 0xC0000000 */ 91 .word BKP(0x00000000), BKP(0x00400000), BKP(0x00800000), BKP(0x00c00000) 92 .word BKP(0x01000000), BKP(0x01400000), BKP(0x01800000), BKP(0x01c00000) 93 .word BKP(0x02000000), BKP(0x02400000), BKP(0x02800000), BKP(0x02c00000) 94 .word BKP(0x03000000), BKP(0x03400000), BKP(0x03800000), BKP(0x03c00000) 95 .word BKP(0x04000000), BKP(0x04400000), BKP(0x04800000), BKP(0x04c00000) 96 .word BKP(0x05000000), BKP(0x05400000), BKP(0x05800000), BKP(0x05c00000) 97 .word BKP(0x06000000), BKP(0x06400000), BKP(0x06800000), BKP(0x06c00000) 98 .word BKP(0x07000000), BKP(0x07400000), BKP(0x07800000), BKP(0x07c00000) 99 100 .word BKP(0x08000000), BKP(0x08400000), BKP(0x08800000), BKP(0x08c00000) 101 .word BKP(0x09000000), BKP(0x09400000), BKP(0x09800000), BKP(0x09c00000) 102 .word BKP(0x0a000000), BKP(0x0a400000), BKP(0x0a800000), BKP(0x0ac00000) 103 .word BKP(0x0b000000), BKP(0x0b400000), BKP(0x0b800000), BKP(0x0bc00000) 104 .word BKP(0x0c000000), BKP(0x0c400000), BKP(0x0c800000), BKP(0x0cc00000) 105 .word BKP(0x0d000000), BKP(0x0d400000), BKP(0x0d800000), BKP(0x0dc00000) 106 .word BKP(0x0e000000), BKP(0x0e400000), BKP(0x0e800000), BKP(0x0ec00000) 107 .word BKP(0x0f000000), BKP(0x0f400000), BKP(0x0f800000), BKP(0x0fc00000) 108 109 .word BKP(0x10000000), BKP(0x10400000), BKP(0x10800000), BKP(0x10c00000) 110 .word BKP(0x11000000), BKP(0x11400000), BKP(0x11800000), BKP(0x11c00000) 111 .word BKP(0x12000000), BKP(0x12400000), BKP(0x12800000), BKP(0x12c00000) 112 .word BKP(0x13000000), BKP(0x13400000), BKP(0x13800000), BKP(0x13c00000) 113 .word BKP(0x14000000), BKP(0x14400000), BKP(0x14800000), BKP(0x14c00000) 114 .word BKP(0x15000000), BKP(0x15400000), BKP(0x15800000), BKP(0x15c00000) 115 .word BKP(0x16000000), BKP(0x16400000), BKP(0x16800000), BKP(0x16c00000) 116 .word BKP(0x17000000), BKP(0x17400000), BKP(0x17800000), BKP(0x17c00000) 117 118 .word BKP(0x18000000), BKP(0x18400000), BKP(0x18800000), BKP(0x18c00000) 119 .word BKP(0x19000000), BKP(0x19400000), BKP(0x19800000), BKP(0x19c00000) 120 .word BKP(0x1a000000), BKP(0x1a400000), BKP(0x1a800000), BKP(0x1ac00000) 121 .word BKP(0x1b000000), BKP(0x1b400000), BKP(0x1b800000), BKP(0x1bc00000) 122 .word BKP(0x1c000000), BKP(0x1c400000), BKP(0x1c800000), BKP(0x1cc00000) 123 .word BKP(0x1d000000), BKP(0x1d400000), BKP(0x1d800000), BKP(0x1dc00000) 124 .word BKP(0x1e000000), BKP(0x1e400000), BKP(0x1e800000), BKP(0x1ec00000) 125 .word BKP(0x1f000000), BKP(0x1f400000), BKP(0x1f800000), BKP(0x1fc00000) 126 127 .word BKP(0x20000000), BKP(0x20400000), BKP(0x20800000), BKP(0x20c00000) 128 .word BKP(0x21000000), BKP(0x21400000), BKP(0x21800000), BKP(0x21c00000) 129 .word BKP(0x22000000), BKP(0x22400000), BKP(0x22800000), BKP(0x22c00000) 130 .word BKP(0x23000000), BKP(0x23400000), BKP(0x23800000), BKP(0x23c00000) 131 .word BKP(0x24000000), BKP(0x24400000), BKP(0x24800000), BKP(0x24c00000) 132 .word BKP(0x25000000), BKP(0x25400000), BKP(0x25800000), BKP(0x25c00000) 133 .word BKP(0x26000000), BKP(0x26400000), BKP(0x26800000), BKP(0x26c00000) 134 .word BKP(0x27000000), BKP(0x27400000), BKP(0x27800000), BKP(0x27c00000) 135 136 .word BKP(0x28000000), BKP(0x28400000), BKP(0x28800000), BKP(0x28c00000) 137 .word BKP(0x29000000), BKP(0x29400000), BKP(0x29800000), BKP(0x29c00000) 138 .word BKP(0x2a000000), BKP(0x2a400000), BKP(0x2a800000), BKP(0x2ac00000) 139 .word BKP(0x2b000000), BKP(0x2b400000), BKP(0x2b800000), BKP(0x2bc00000) 140 .word BKP(0x2c000000), BKP(0x2c400000), BKP(0x2c800000), BKP(0x2cc00000) 141 .word BKP(0x2d000000), BKP(0x2d400000), BKP(0x2d800000), BKP(0x2dc00000) 142 .word BKP(0x2e000000), BKP(0x2e400000), BKP(0x2e800000), BKP(0x2ec00000) 143 .word BKP(0x2f000000), BKP(0x2f400000), BKP(0x2f800000), BKP(0x2fc00000) 144 145 .word BKP(0x30000000), BKP(0x30400000), BKP(0x30800000), BKP(0x30c00000) 146 .word BKP(0x31000000), BKP(0x31400000), BKP(0x31800000), BKP(0x31c00000) 147 .word BKP(0x32000000), BKP(0x32400000), BKP(0x32800000), BKP(0x32c00000) 148 .word BKP(0x33000000), BKP(0x33400000), BKP(0x33800000), BKP(0x33c00000) 149 .word BKP(0x34000000), BKP(0x34400000), BKP(0x34800000), BKP(0x34c00000) 150 .word BKP(0x35000000), BKP(0x35400000), BKP(0x35800000), BKP(0x35c00000) 151 .word BKP(0x36000000), BKP(0x36400000), BKP(0x36800000), BKP(0x36c00000) 152 .word BKP(0x37000000), BKP(0x37400000), BKP(0x37800000), BKP(0x37c00000) 153 154 .word BKP(0x38000000), BKP(0x38400000), BKP(0x38800000), BKP(0x38c00000) 155 .word BKP(0x39000000), BKP(0x39400000), BKP(0x39800000), BKP(0x39c00000) 156 .word BKP(0x3a000000), BKP(0x3a400000), BKP(0x3a800000), BKP(0x3ac00000) 157 .word BKP(0x3b000000), BKP(0x3b400000), BKP(0x3b800000), BKP(0x3bc00000) 158 .word BKP(0x3c000000), BKP(0x3c400000), BKP(0x3c800000), BKP(0x3cc00000) 159 .word BKP(0x3d000000), BKP(0x3d400000), BKP(0x3d800000), BKP(0x3dc00000) 160_K_io_map: 161 .word X,X,X,X /* 0x3e000000 - device IO early remap */ 162 .word X,X,X,X /* 0x3f000000 - hypervisor space*/ 163 164#if 0 165/* 166 * This is in here as an example for devices which need to be mapped really 167 * early. 168 */ 169 .p2align 12 170 .globl _K_io_kmap 171 .globl _K_init_devicetable 172_K_init_devicetable: /* Should be 4MB worth of entries */ 173 .word FOURK_IO(MSM_GPIO1_PHYS),FOURK_IO(MSM_GPIO2_PHYS),FOURK_IO(MSM_SIRC_PHYS),X 174 .word FOURK_IO(TLMM_GPIO1_PHYS),X,X,X 175 .word X,X,X,X 176 .word X,X,X,X 177 .word X,X,X,X 178 .word X,X,X,X 179 .word X,X,X,X 180 .word X,X,X,X 181 .word X,X,X,X 182 .word X,X,X,X 183 .word X,X,X,X 184 .word X,X,X,X 185 .word X,X,X,X 186 .word X,X,X,X 187 .word X,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#endif