1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * linux/arch/arm/mm/proc-xscale.S 4 * 5 * Author: Nicolas Pitre 6 * Created: November 2000 7 * Copyright: (C) 2000, 2001 MontaVista Software Inc. 8 * 9 * MMU functions for the Intel XScale CPUs 10 * 11 * 2001 Aug 21: 12 * some contributions by Brett Gaines <brett.w.gaines@intel.com> 13 * Copyright 2001 by Intel Corp. 14 * 15 * 2001 Sep 08: 16 * Completely revisited, many important fixes 17 * Nicolas Pitre <nico@fluxnic.net> 18 */ 19 20 #include <linux/linkage.h> 21 #include <linux/init.h> 22 #include <linux/pgtable.h> 23 #include <asm/assembler.h> 24 #include <asm/hwcap.h> 25 #include <asm/pgtable-hwdef.h> 26 #include <asm/page.h> 27 #include <asm/ptrace.h> 28 #include "proc-macros.S" 29 30 /* 31 * This is the maximum size of an area which will be flushed. If the area 32 * is larger than this, then we flush the whole cache 33 */ 34 #define MAX_AREA_SIZE 32768 35 36 /* 37 * the cache line size of the I and D cache 38 */ 39 #define CACHELINESIZE 32 40 41 /* 42 * the size of the data cache 43 */ 44 #define CACHESIZE 32768 45 46 /* 47 * Virtual address used to allocate the cache when flushed 48 * 49 * This must be an address range which is _never_ used. It should 50 * apparently have a mapping in the corresponding page table for 51 * compatibility with future CPUs that _could_ require it. For instance we 52 * don't care. 53 * 54 * This must be aligned on a 2*CACHESIZE boundary. The code selects one of 55 * the 2 areas in alternance each time the clean_d_cache macro is used. 56 * Without this the XScale core exhibits cache eviction problems and no one 57 * knows why. 58 * 59 * Reminder: the vector table is located at 0xffff0000-0xffff0fff. 60 */ 61 #define CLEAN_ADDR 0xfffe0000 62 63 /* 64 * This macro is used to wait for a CP15 write and is needed 65 * when we have to ensure that the last operation to the co-pro 66 * was completed before continuing with operation. 67 */ 68 .macro cpwait, rd 69 mrc p15, 0, \rd, c2, c0, 0 @ arbitrary read of cp15 70 mov \rd, \rd @ wait for completion 71 sub pc, pc, #4 @ flush instruction pipeline 72 .endm 73 74 .macro cpwait_ret, lr, rd 75 mrc p15, 0, \rd, c2, c0, 0 @ arbitrary read of cp15 76 sub pc, \lr, \rd, LSR #32 @ wait for completion and 77 @ flush instruction pipeline 78 .endm 79 80 /* 81 * This macro cleans the entire dcache using line allocate. 82 * The main loop has been unrolled to reduce loop overhead. 83 * rd and rs are two scratch registers. 84 */ 85 .macro clean_d_cache, rd, rs 86 ldr \rs, =clean_addr 87 ldr \rd, [\rs] 88 eor \rd, \rd, #CACHESIZE 89 str \rd, [\rs] 90 add \rs, \rd, #CACHESIZE 91 1: mcr p15, 0, \rd, c7, c2, 5 @ allocate D cache line 92 add \rd, \rd, #CACHELINESIZE 93 mcr p15, 0, \rd, c7, c2, 5 @ allocate D cache line 94 add \rd, \rd, #CACHELINESIZE 95 mcr p15, 0, \rd, c7, c2, 5 @ allocate D cache line 96 add \rd, \rd, #CACHELINESIZE 97 mcr p15, 0, \rd, c7, c2, 5 @ allocate D cache line 98 add \rd, \rd, #CACHELINESIZE 99 teq \rd, \rs 100 bne 1b 101 .endm 102 103 .data 104 .align 2 105 clean_addr: .word CLEAN_ADDR 106 107 .text 108 109 /* 110 * cpu_xscale_proc_init() 111 * 112 * Nothing too exciting at the moment 113 */ 114 ENTRY(cpu_xscale_proc_init) 115 @ enable write buffer coalescing. Some bootloader disable it 116 mrc p15, 0, r1, c1, c0, 1 117 bic r1, r1, #1 118 mcr p15, 0, r1, c1, c0, 1 119 ret lr 120 121 /* 122 * cpu_xscale_proc_fin() 123 */ 124 ENTRY(cpu_xscale_proc_fin) 125 mrc p15, 0, r0, c1, c0, 0 @ ctrl register 126 bic r0, r0, #0x1800 @ ...IZ........... 127 bic r0, r0, #0x0006 @ .............CA. 128 mcr p15, 0, r0, c1, c0, 0 @ disable caches 129 ret lr 130 131 /* 132 * cpu_xscale_reset(loc) 133 * 134 * Perform a soft reset of the system. Put the CPU into the 135 * same state as it would be if it had been reset, and branch 136 * to what would be the reset vector. 137 * 138 * loc: location to jump to for soft reset 139 * 140 * Beware PXA270 erratum E7. 141 */ 142 .align 5 143 .pushsection .idmap.text, "ax" 144 ENTRY(cpu_xscale_reset) 145 mov r1, #PSR_F_BIT|PSR_I_BIT|SVC_MODE 146 msr cpsr_c, r1 @ reset CPSR 147 mcr p15, 0, r1, c10, c4, 1 @ unlock I-TLB 148 mcr p15, 0, r1, c8, c5, 0 @ invalidate I-TLB 149 mrc p15, 0, r1, c1, c0, 0 @ ctrl register 150 bic r1, r1, #0x0086 @ ........B....CA. 151 bic r1, r1, #0x3900 @ ..VIZ..S........ 152 sub pc, pc, #4 @ flush pipeline 153 @ *** cache line aligned *** 154 mcr p15, 0, r1, c1, c0, 0 @ ctrl register 155 bic r1, r1, #0x0001 @ ...............M 156 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches & BTB 157 mcr p15, 0, r1, c1, c0, 0 @ ctrl register 158 @ CAUTION: MMU turned off from this point. We count on the pipeline 159 @ already containing those two last instructions to survive. 160 mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs 161 ret r0 162 ENDPROC(cpu_xscale_reset) 163 .popsection 164 165 /* 166 * cpu_xscale_do_idle() 167 * 168 * Cause the processor to idle 169 * 170 * For now we do nothing but go to idle mode for every case 171 * 172 * XScale supports clock switching, but using idle mode support 173 * allows external hardware to react to system state changes. 174 */ 175 .align 5 176 177 ENTRY(cpu_xscale_do_idle) 178 mov r0, #1 179 mcr p14, 0, r0, c7, c0, 0 @ Go to IDLE 180 ret lr 181 182 /* ================================= CACHE ================================ */ 183 184 /* 185 * flush_icache_all() 186 * 187 * Unconditionally clean and invalidate the entire icache. 188 */ 189 ENTRY(xscale_flush_icache_all) 190 mov r0, #0 191 mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache 192 ret lr 193 ENDPROC(xscale_flush_icache_all) 194 195 /* 196 * flush_user_cache_all() 197 * 198 * Invalidate all cache entries in a particular address 199 * space. 200 */ 201 ENTRY(xscale_flush_user_cache_all) 202 /* FALLTHROUGH */ 203 204 /* 205 * flush_kern_cache_all() 206 * 207 * Clean and invalidate the entire cache. 208 */ 209 ENTRY(xscale_flush_kern_cache_all) 210 mov r2, #VM_EXEC 211 mov ip, #0 212 __flush_whole_cache: 213 clean_d_cache r0, r1 214 tst r2, #VM_EXEC 215 mcrne p15, 0, ip, c7, c5, 0 @ Invalidate I cache & BTB 216 mcrne p15, 0, ip, c7, c10, 4 @ Drain Write (& Fill) Buffer 217 ret lr 218 219 /* 220 * flush_user_cache_range(start, end, vm_flags) 221 * 222 * Invalidate a range of cache entries in the specified 223 * address space. 224 * 225 * - start - start address (may not be aligned) 226 * - end - end address (exclusive, may not be aligned) 227 * - vma - vma_area_struct describing address space 228 */ 229 .align 5 230 ENTRY(xscale_flush_user_cache_range) 231 mov ip, #0 232 sub r3, r1, r0 @ calculate total size 233 cmp r3, #MAX_AREA_SIZE 234 bhs __flush_whole_cache 235 236 1: tst r2, #VM_EXEC 237 mcrne p15, 0, r0, c7, c5, 1 @ Invalidate I cache line 238 mcr p15, 0, r0, c7, c10, 1 @ Clean D cache line 239 mcr p15, 0, r0, c7, c6, 1 @ Invalidate D cache line 240 add r0, r0, #CACHELINESIZE 241 cmp r0, r1 242 blo 1b 243 tst r2, #VM_EXEC 244 mcrne p15, 0, ip, c7, c5, 6 @ Invalidate BTB 245 mcrne p15, 0, ip, c7, c10, 4 @ Drain Write (& Fill) Buffer 246 ret lr 247 248 /* 249 * coherent_kern_range(start, end) 250 * 251 * Ensure coherency between the Icache and the Dcache in the 252 * region described by start. If you have non-snooping 253 * Harvard caches, you need to implement this function. 254 * 255 * - start - virtual start address 256 * - end - virtual end address 257 * 258 * Note: single I-cache line invalidation isn't used here since 259 * it also trashes the mini I-cache used by JTAG debuggers. 260 */ 261 ENTRY(xscale_coherent_kern_range) 262 bic r0, r0, #CACHELINESIZE - 1 263 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry 264 add r0, r0, #CACHELINESIZE 265 cmp r0, r1 266 blo 1b 267 mov r0, #0 268 mcr p15, 0, r0, c7, c5, 0 @ Invalidate I cache & BTB 269 mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer 270 ret lr 271 272 /* 273 * coherent_user_range(start, end) 274 * 275 * Ensure coherency between the Icache and the Dcache in the 276 * region described by start. If you have non-snooping 277 * Harvard caches, you need to implement this function. 278 * 279 * - start - virtual start address 280 * - end - virtual end address 281 */ 282 ENTRY(xscale_coherent_user_range) 283 bic r0, r0, #CACHELINESIZE - 1 284 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry 285 mcr p15, 0, r0, c7, c5, 1 @ Invalidate I cache entry 286 add r0, r0, #CACHELINESIZE 287 cmp r0, r1 288 blo 1b 289 mov r0, #0 290 mcr p15, 0, r0, c7, c5, 6 @ Invalidate BTB 291 mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer 292 ret lr 293 294 /* 295 * flush_kern_dcache_area(void *addr, size_t size) 296 * 297 * Ensure no D cache aliasing occurs, either with itself or 298 * the I cache 299 * 300 * - addr - kernel address 301 * - size - region size 302 */ 303 ENTRY(xscale_flush_kern_dcache_area) 304 add r1, r0, r1 305 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry 306 mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry 307 add r0, r0, #CACHELINESIZE 308 cmp r0, r1 309 blo 1b 310 mov r0, #0 311 mcr p15, 0, r0, c7, c5, 0 @ Invalidate I cache & BTB 312 mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer 313 ret lr 314 315 /* 316 * dma_inv_range(start, end) 317 * 318 * Invalidate (discard) the specified virtual address range. 319 * May not write back any entries. If 'start' or 'end' 320 * are not cache line aligned, those lines must be written 321 * back. 322 * 323 * - start - virtual start address 324 * - end - virtual end address 325 */ 326 xscale_dma_inv_range: 327 tst r0, #CACHELINESIZE - 1 328 bic r0, r0, #CACHELINESIZE - 1 329 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry 330 tst r1, #CACHELINESIZE - 1 331 mcrne p15, 0, r1, c7, c10, 1 @ clean D entry 332 1: mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry 333 add r0, r0, #CACHELINESIZE 334 cmp r0, r1 335 blo 1b 336 mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer 337 ret lr 338 339 /* 340 * dma_clean_range(start, end) 341 * 342 * Clean the specified virtual address range. 343 * 344 * - start - virtual start address 345 * - end - virtual end address 346 */ 347 xscale_dma_clean_range: 348 bic r0, r0, #CACHELINESIZE - 1 349 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry 350 add r0, r0, #CACHELINESIZE 351 cmp r0, r1 352 blo 1b 353 mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer 354 ret lr 355 356 /* 357 * dma_flush_range(start, end) 358 * 359 * Clean and invalidate the specified virtual address range. 360 * 361 * - start - virtual start address 362 * - end - virtual end address 363 */ 364 ENTRY(xscale_dma_flush_range) 365 bic r0, r0, #CACHELINESIZE - 1 366 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry 367 mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry 368 add r0, r0, #CACHELINESIZE 369 cmp r0, r1 370 blo 1b 371 mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer 372 ret lr 373 374 /* 375 * dma_map_area(start, size, dir) 376 * - start - kernel virtual start address 377 * - size - size of region 378 * - dir - DMA direction 379 */ 380 ENTRY(xscale_dma_map_area) 381 add r1, r1, r0 382 cmp r2, #DMA_TO_DEVICE 383 beq xscale_dma_clean_range 384 bcs xscale_dma_inv_range 385 b xscale_dma_flush_range 386 ENDPROC(xscale_dma_map_area) 387 388 /* 389 * dma_map_area(start, size, dir) 390 * - start - kernel virtual start address 391 * - size - size of region 392 * - dir - DMA direction 393 */ 394 ENTRY(xscale_80200_A0_A1_dma_map_area) 395 add r1, r1, r0 396 teq r2, #DMA_TO_DEVICE 397 beq xscale_dma_clean_range 398 b xscale_dma_flush_range 399 ENDPROC(xscale_80200_A0_A1_dma_map_area) 400 401 /* 402 * dma_unmap_area(start, size, dir) 403 * - start - kernel virtual start address 404 * - size - size of region 405 * - dir - DMA direction 406 */ 407 ENTRY(xscale_dma_unmap_area) 408 ret lr 409 ENDPROC(xscale_dma_unmap_area) 410 411 .globl xscale_flush_kern_cache_louis 412 .equ xscale_flush_kern_cache_louis, xscale_flush_kern_cache_all 413 414 @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) 415 define_cache_functions xscale 416 417 /* 418 * On stepping A0/A1 of the 80200, invalidating D-cache by line doesn't 419 * clear the dirty bits, which means that if we invalidate a dirty line, 420 * the dirty data can still be written back to external memory later on. 421 * 422 * The recommended workaround is to always do a clean D-cache line before 423 * doing an invalidate D-cache line, so on the affected processors, 424 * dma_inv_range() is implemented as dma_flush_range(). 425 * 426 * See erratum #25 of "Intel 80200 Processor Specification Update", 427 * revision January 22, 2003, available at: 428 * http://www.intel.com/design/iio/specupdt/273415.htm 429 */ 430 .macro a0_alias basename 431 .globl xscale_80200_A0_A1_\basename 432 .type xscale_80200_A0_A1_\basename , %function 433 .equ xscale_80200_A0_A1_\basename , xscale_\basename 434 .endm 435 436 /* 437 * Most of the cache functions are unchanged for these processor revisions. 438 * Export suitable alias symbols for the unchanged functions: 439 */ 440 a0_alias flush_icache_all 441 a0_alias flush_user_cache_all 442 a0_alias flush_kern_cache_all 443 a0_alias flush_kern_cache_louis 444 a0_alias flush_user_cache_range 445 a0_alias coherent_kern_range 446 a0_alias coherent_user_range 447 a0_alias flush_kern_dcache_area 448 a0_alias dma_flush_range 449 a0_alias dma_unmap_area 450 451 @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) 452 define_cache_functions xscale_80200_A0_A1 453 454 ENTRY(cpu_xscale_dcache_clean_area) 455 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry 456 add r0, r0, #CACHELINESIZE 457 subs r1, r1, #CACHELINESIZE 458 bhi 1b 459 ret lr 460 461 /* =============================== PageTable ============================== */ 462 463 /* 464 * cpu_xscale_switch_mm(pgd) 465 * 466 * Set the translation base pointer to be as described by pgd. 467 * 468 * pgd: new page tables 469 */ 470 .align 5 471 ENTRY(cpu_xscale_switch_mm) 472 clean_d_cache r1, r2 473 mcr p15, 0, ip, c7, c5, 0 @ Invalidate I cache & BTB 474 mcr p15, 0, ip, c7, c10, 4 @ Drain Write (& Fill) Buffer 475 mcr p15, 0, r0, c2, c0, 0 @ load page table pointer 476 mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs 477 cpwait_ret lr, ip 478 479 /* 480 * cpu_xscale_set_pte_ext(ptep, pte, ext) 481 * 482 * Set a PTE and flush it out 483 * 484 * Errata 40: must set memory to write-through for user read-only pages. 485 */ 486 cpu_xscale_mt_table: 487 .long 0x00 @ L_PTE_MT_UNCACHED 488 .long PTE_BUFFERABLE @ L_PTE_MT_BUFFERABLE 489 .long PTE_CACHEABLE @ L_PTE_MT_WRITETHROUGH 490 .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEBACK 491 .long PTE_EXT_TEX(1) | PTE_BUFFERABLE @ L_PTE_MT_DEV_SHARED 492 .long 0x00 @ unused 493 .long PTE_EXT_TEX(1) | PTE_CACHEABLE @ L_PTE_MT_MINICACHE 494 .long PTE_EXT_TEX(1) | PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEALLOC 495 .long 0x00 @ unused 496 .long PTE_BUFFERABLE @ L_PTE_MT_DEV_WC 497 .long 0x00 @ unused 498 .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_DEV_CACHED 499 .long 0x00 @ L_PTE_MT_DEV_NONSHARED 500 .long 0x00 @ unused 501 .long 0x00 @ unused 502 .long 0x00 @ unused 503 504 .align 5 505 ENTRY(cpu_xscale_set_pte_ext) 506 xscale_set_pte_ext_prologue 507 508 @ 509 @ Erratum 40: must set memory to write-through for user read-only pages 510 @ 511 and ip, r1, #(L_PTE_MT_MASK | L_PTE_USER | L_PTE_RDONLY) & ~(4 << 2) 512 teq ip, #L_PTE_MT_WRITEBACK | L_PTE_USER | L_PTE_RDONLY 513 514 moveq r1, #L_PTE_MT_WRITETHROUGH 515 and r1, r1, #L_PTE_MT_MASK 516 adr ip, cpu_xscale_mt_table 517 ldr ip, [ip, r1] 518 bic r2, r2, #0x0c 519 orr r2, r2, ip 520 521 xscale_set_pte_ext_epilogue 522 ret lr 523 524 .ltorg 525 .align 526 527 .globl cpu_xscale_suspend_size 528 .equ cpu_xscale_suspend_size, 4 * 6 529 #ifdef CONFIG_ARM_CPU_SUSPEND 530 ENTRY(cpu_xscale_do_suspend) 531 stmfd sp!, {r4 - r9, lr} 532 mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode 533 mrc p15, 0, r5, c15, c1, 0 @ CP access reg 534 mrc p15, 0, r6, c13, c0, 0 @ PID 535 mrc p15, 0, r7, c3, c0, 0 @ domain ID 536 mrc p15, 0, r8, c1, c0, 1 @ auxiliary control reg 537 mrc p15, 0, r9, c1, c0, 0 @ control reg 538 bic r4, r4, #2 @ clear frequency change bit 539 stmia r0, {r4 - r9} @ store cp regs 540 ldmfd sp!, {r4 - r9, pc} 541 ENDPROC(cpu_xscale_do_suspend) 542 543 ENTRY(cpu_xscale_do_resume) 544 ldmia r0, {r4 - r9} @ load cp regs 545 mov ip, #0 546 mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs 547 mcr p15, 0, ip, c7, c7, 0 @ invalidate I & D caches, BTB 548 mcr p14, 0, r4, c6, c0, 0 @ clock configuration, turbo mode. 549 mcr p15, 0, r5, c15, c1, 0 @ CP access reg 550 mcr p15, 0, r6, c13, c0, 0 @ PID 551 mcr p15, 0, r7, c3, c0, 0 @ domain ID 552 mcr p15, 0, r1, c2, c0, 0 @ translation table base addr 553 mcr p15, 0, r8, c1, c0, 1 @ auxiliary control reg 554 mov r0, r9 @ control register 555 b cpu_resume_mmu 556 ENDPROC(cpu_xscale_do_resume) 557 #endif 558 559 .type __xscale_setup, #function 560 __xscale_setup: 561 mcr p15, 0, ip, c7, c7, 0 @ invalidate I, D caches & BTB 562 mcr p15, 0, ip, c7, c10, 4 @ Drain Write (& Fill) Buffer 563 mcr p15, 0, ip, c8, c7, 0 @ invalidate I, D TLBs 564 mov r0, #1 << 6 @ cp6 for IOP3xx and Bulverde 565 orr r0, r0, #1 << 13 @ Its undefined whether this 566 mcr p15, 0, r0, c15, c1, 0 @ affects USR or SVC modes 567 568 adr r5, xscale_crval 569 ldmia r5, {r5, r6} 570 mrc p15, 0, r0, c1, c0, 0 @ get control register 571 bic r0, r0, r5 572 orr r0, r0, r6 573 ret lr 574 .size __xscale_setup, . - __xscale_setup 575 576 /* 577 * R 578 * .RVI ZFRS BLDP WCAM 579 * ..11 1.01 .... .101 580 * 581 */ 582 .type xscale_crval, #object 583 xscale_crval: 584 crval clear=0x00003b07, mmuset=0x00003905, ucset=0x00001900 585 586 __INITDATA 587 588 @ define struct processor (see <asm/proc-fns.h> and proc-macros.S) 589 define_processor_functions xscale, dabort=v5t_early_abort, pabort=legacy_pabort, suspend=1 590 591 .section ".rodata" 592 593 string cpu_arch_name, "armv5te" 594 string cpu_elf_name, "v5" 595 596 string cpu_80200_A0_A1_name, "XScale-80200 A0/A1" 597 string cpu_80200_name, "XScale-80200" 598 string cpu_80219_name, "XScale-80219" 599 string cpu_8032x_name, "XScale-IOP8032x Family" 600 string cpu_8033x_name, "XScale-IOP8033x Family" 601 string cpu_pxa250_name, "XScale-PXA250" 602 string cpu_pxa210_name, "XScale-PXA210" 603 string cpu_ixp42x_name, "XScale-IXP42x Family" 604 string cpu_ixp43x_name, "XScale-IXP43x Family" 605 string cpu_ixp46x_name, "XScale-IXP46x Family" 606 string cpu_ixp2400_name, "XScale-IXP2400" 607 string cpu_ixp2800_name, "XScale-IXP2800" 608 string cpu_pxa255_name, "XScale-PXA255" 609 string cpu_pxa270_name, "XScale-PXA270" 610 611 .align 612 613 .section ".proc.info.init", "a" 614 615 .macro xscale_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cache 616 .type __\name\()_proc_info,#object 617 __\name\()_proc_info: 618 .long \cpu_val 619 .long \cpu_mask 620 .long PMD_TYPE_SECT | \ 621 PMD_SECT_BUFFERABLE | \ 622 PMD_SECT_CACHEABLE | \ 623 PMD_SECT_AP_WRITE | \ 624 PMD_SECT_AP_READ 625 .long PMD_TYPE_SECT | \ 626 PMD_SECT_AP_WRITE | \ 627 PMD_SECT_AP_READ 628 initfn __xscale_setup, __\name\()_proc_info 629 .long cpu_arch_name 630 .long cpu_elf_name 631 .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP 632 .long \cpu_name 633 .long xscale_processor_functions 634 .long v4wbi_tlb_fns 635 .long xscale_mc_user_fns 636 .ifb \cache 637 .long xscale_cache_fns 638 .else 639 .long \cache 640 .endif 641 .size __\name\()_proc_info, . - __\name\()_proc_info 642 .endm 643 644 xscale_proc_info 80200_A0_A1, 0x69052000, 0xfffffffe, cpu_80200_name, \ 645 cache=xscale_80200_A0_A1_cache_fns 646 xscale_proc_info 80200, 0x69052000, 0xfffffff0, cpu_80200_name 647 xscale_proc_info 80219, 0x69052e20, 0xffffffe0, cpu_80219_name 648 xscale_proc_info 8032x, 0x69052420, 0xfffff7e0, cpu_8032x_name 649 xscale_proc_info 8033x, 0x69054010, 0xfffffd30, cpu_8033x_name 650 xscale_proc_info pxa250, 0x69052100, 0xfffff7f0, cpu_pxa250_name 651 xscale_proc_info pxa210, 0x69052120, 0xfffff3f0, cpu_pxa210_name 652 xscale_proc_info ixp2400, 0x69054190, 0xfffffff0, cpu_ixp2400_name 653 xscale_proc_info ixp2800, 0x690541a0, 0xfffffff0, cpu_ixp2800_name 654 xscale_proc_info ixp42x, 0x690541c0, 0xffffffc0, cpu_ixp42x_name 655 xscale_proc_info ixp43x, 0x69054040, 0xfffffff0, cpu_ixp43x_name 656 xscale_proc_info ixp46x, 0x69054200, 0xffffff00, cpu_ixp46x_name 657 xscale_proc_info pxa255, 0x69052d00, 0xfffffff0, cpu_pxa255_name 658 xscale_proc_info pxa270, 0x69054110, 0xfffffff0, cpu_pxa270_name 659