1/* 2 * linux/arch/arm/mm/proc-v7.S 3 * 4 * Copyright (C) 2001 Deep Blue Solutions Ltd. 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 as 8 * published by the Free Software Foundation. 9 * 10 * This is the "shell" of the ARMv7 processor support. 11 */ 12#include <linux/init.h> 13#include <linux/linkage.h> 14#include <asm/assembler.h> 15#include <asm/asm-offsets.h> 16#include <asm/hwcap.h> 17#include <asm/pgtable-hwdef.h> 18#include <asm/pgtable.h> 19 20#include "proc-macros.S" 21 22#ifdef CONFIG_ARM_LPAE 23#include "proc-v7-3level.S" 24#else 25#include "proc-v7-2level.S" 26#endif 27 28ENTRY(cpu_v7_proc_init) 29 mov pc, lr 30ENDPROC(cpu_v7_proc_init) 31 32ENTRY(cpu_v7_proc_fin) 33 mrc p15, 0, r0, c1, c0, 0 @ ctrl register 34 bic r0, r0, #0x1000 @ ...i............ 35 bic r0, r0, #0x0006 @ .............ca. 36 mcr p15, 0, r0, c1, c0, 0 @ disable caches 37 mov pc, lr 38ENDPROC(cpu_v7_proc_fin) 39 40/* 41 * cpu_v7_reset(loc) 42 * 43 * Perform a soft reset of the system. Put the CPU into the 44 * same state as it would be if it had been reset, and branch 45 * to what would be the reset vector. 46 * 47 * - loc - location to jump to for soft reset 48 * 49 * This code must be executed using a flat identity mapping with 50 * caches disabled. 51 */ 52 .align 5 53 .pushsection .idmap.text, "ax" 54ENTRY(cpu_v7_reset) 55 mrc p15, 0, r1, c1, c0, 0 @ ctrl register 56 bic r1, r1, #0x1 @ ...............m 57 THUMB( bic r1, r1, #1 << 30 ) @ SCTLR.TE (Thumb exceptions) 58 mcr p15, 0, r1, c1, c0, 0 @ disable MMU 59 isb 60 bx r0 61ENDPROC(cpu_v7_reset) 62 .popsection 63 64/* 65 * cpu_v7_do_idle() 66 * 67 * Idle the processor (eg, wait for interrupt). 68 * 69 * IRQs are already disabled. 70 */ 71ENTRY(cpu_v7_do_idle) 72 dsb @ WFI may enter a low-power mode 73 wfi 74 mov pc, lr 75ENDPROC(cpu_v7_do_idle) 76 77ENTRY(cpu_v7_dcache_clean_area) 78 ALT_SMP(W(nop)) @ MP extensions imply L1 PTW 79 ALT_UP_B(1f) 80 mov pc, lr 811: dcache_line_size r2, r3 822: mcr p15, 0, r0, c7, c10, 1 @ clean D entry 83 add r0, r0, r2 84 subs r1, r1, r2 85 bhi 2b 86 dsb ishst 87 mov pc, lr 88ENDPROC(cpu_v7_dcache_clean_area) 89 90 string cpu_v7_name, "ARMv7 Processor" 91 .align 92 93/* Suspend/resume support: derived from arch/arm/mach-s5pv210/sleep.S */ 94.globl cpu_v7_suspend_size 95.equ cpu_v7_suspend_size, 4 * 9 96#ifdef CONFIG_ARM_CPU_SUSPEND 97ENTRY(cpu_v7_do_suspend) 98 stmfd sp!, {r4 - r10, lr} 99 mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID 100 mrc p15, 0, r5, c13, c0, 3 @ User r/o thread ID 101 stmia r0!, {r4 - r5} 102#ifdef CONFIG_MMU 103 mrc p15, 0, r6, c3, c0, 0 @ Domain ID 104#ifdef CONFIG_ARM_LPAE 105 mrrc p15, 1, r5, r7, c2 @ TTB 1 106#else 107 mrc p15, 0, r7, c2, c0, 1 @ TTB 1 108#endif 109 mrc p15, 0, r11, c2, c0, 2 @ TTB control register 110#endif 111 mrc p15, 0, r8, c1, c0, 0 @ Control register 112 mrc p15, 0, r9, c1, c0, 1 @ Auxiliary control register 113 mrc p15, 0, r10, c1, c0, 2 @ Co-processor access control 114 stmia r0, {r5 - r11} 115 ldmfd sp!, {r4 - r10, pc} 116ENDPROC(cpu_v7_do_suspend) 117 118ENTRY(cpu_v7_do_resume) 119 mov ip, #0 120 mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache 121 mcr p15, 0, ip, c13, c0, 1 @ set reserved context ID 122 ldmia r0!, {r4 - r5} 123 mcr p15, 0, r4, c13, c0, 0 @ FCSE/PID 124 mcr p15, 0, r5, c13, c0, 3 @ User r/o thread ID 125 ldmia r0, {r5 - r11} 126#ifdef CONFIG_MMU 127 mcr p15, 0, ip, c8, c7, 0 @ invalidate TLBs 128 mcr p15, 0, r6, c3, c0, 0 @ Domain ID 129#ifdef CONFIG_ARM_LPAE 130 mcrr p15, 0, r1, ip, c2 @ TTB 0 131 mcrr p15, 1, r5, r7, c2 @ TTB 1 132#else 133 ALT_SMP(orr r1, r1, #TTB_FLAGS_SMP) 134 ALT_UP(orr r1, r1, #TTB_FLAGS_UP) 135 mcr p15, 0, r1, c2, c0, 0 @ TTB 0 136 mcr p15, 0, r7, c2, c0, 1 @ TTB 1 137#endif 138 mcr p15, 0, r11, c2, c0, 2 @ TTB control register 139 ldr r4, =PRRR @ PRRR 140 ldr r5, =NMRR @ NMRR 141 mcr p15, 0, r4, c10, c2, 0 @ write PRRR 142 mcr p15, 0, r5, c10, c2, 1 @ write NMRR 143#endif /* CONFIG_MMU */ 144 mrc p15, 0, r4, c1, c0, 1 @ Read Auxiliary control register 145 teq r4, r9 @ Is it already set? 146 mcrne p15, 0, r9, c1, c0, 1 @ No, so write it 147 mcr p15, 0, r10, c1, c0, 2 @ Co-processor access control 148 isb 149 dsb 150 mov r0, r8 @ control register 151 b cpu_resume_mmu 152ENDPROC(cpu_v7_do_resume) 153#endif 154 155#ifdef CONFIG_CPU_PJ4B 156 globl_equ cpu_pj4b_switch_mm, cpu_v7_switch_mm 157 globl_equ cpu_pj4b_set_pte_ext, cpu_v7_set_pte_ext 158 globl_equ cpu_pj4b_proc_init, cpu_v7_proc_init 159 globl_equ cpu_pj4b_proc_fin, cpu_v7_proc_fin 160 globl_equ cpu_pj4b_reset, cpu_v7_reset 161#ifdef CONFIG_PJ4B_ERRATA_4742 162ENTRY(cpu_pj4b_do_idle) 163 dsb @ WFI may enter a low-power mode 164 wfi 165 dsb @barrier 166 mov pc, lr 167ENDPROC(cpu_pj4b_do_idle) 168#else 169 globl_equ cpu_pj4b_do_idle, cpu_v7_do_idle 170#endif 171 globl_equ cpu_pj4b_dcache_clean_area, cpu_v7_dcache_clean_area 172#ifdef CONFIG_ARM_CPU_SUSPEND 173ENTRY(cpu_pj4b_do_suspend) 174 stmfd sp!, {r6 - r10} 175 mrc p15, 1, r6, c15, c1, 0 @ save CP15 - extra features 176 mrc p15, 1, r7, c15, c2, 0 @ save CP15 - Aux Func Modes Ctrl 0 177 mrc p15, 1, r8, c15, c1, 2 @ save CP15 - Aux Debug Modes Ctrl 2 178 mrc p15, 1, r9, c15, c1, 1 @ save CP15 - Aux Debug Modes Ctrl 1 179 mrc p15, 0, r10, c9, c14, 0 @ save CP15 - PMC 180 stmia r0!, {r6 - r10} 181 ldmfd sp!, {r6 - r10} 182 b cpu_v7_do_suspend 183ENDPROC(cpu_pj4b_do_suspend) 184 185ENTRY(cpu_pj4b_do_resume) 186 ldmia r0!, {r6 - r10} 187 mcr p15, 1, r6, c15, c1, 0 @ save CP15 - extra features 188 mcr p15, 1, r7, c15, c2, 0 @ save CP15 - Aux Func Modes Ctrl 0 189 mcr p15, 1, r8, c15, c1, 2 @ save CP15 - Aux Debug Modes Ctrl 2 190 mcr p15, 1, r9, c15, c1, 1 @ save CP15 - Aux Debug Modes Ctrl 1 191 mcr p15, 0, r10, c9, c14, 0 @ save CP15 - PMC 192 b cpu_v7_do_resume 193ENDPROC(cpu_pj4b_do_resume) 194#endif 195.globl cpu_pj4b_suspend_size 196.equ cpu_pj4b_suspend_size, 4 * 14 197 198#endif 199 200/* 201 * __v7_setup 202 * 203 * Initialise TLB, Caches, and MMU state ready to switch the MMU 204 * on. Return in r0 the new CP15 C1 control register setting. 205 * 206 * This should be able to cover all ARMv7 cores. 207 * 208 * It is assumed that: 209 * - cache type register is implemented 210 */ 211__v7_ca5mp_setup: 212__v7_ca9mp_setup: 213__v7_cr7mp_setup: 214 mov r10, #(1 << 0) @ Cache/TLB ops broadcasting 215 b 1f 216__v7_ca7mp_setup: 217__v7_ca12mp_setup: 218__v7_ca15mp_setup: 219__v7_ca17mp_setup: 220 mov r10, #0 2211: 222#ifdef CONFIG_SMP 223 ALT_SMP(mrc p15, 0, r0, c1, c0, 1) 224 ALT_UP(mov r0, #(1 << 6)) @ fake it for UP 225 tst r0, #(1 << 6) @ SMP/nAMP mode enabled? 226 orreq r0, r0, #(1 << 6) @ Enable SMP/nAMP mode 227 orreq r0, r0, r10 @ Enable CPU-specific SMP bits 228 mcreq p15, 0, r0, c1, c0, 1 229#endif 230 b __v7_setup 231 232__v7_pj4b_setup: 233#ifdef CONFIG_CPU_PJ4B 234 235/* Auxiliary Debug Modes Control 1 Register */ 236#define PJ4B_STATIC_BP (1 << 2) /* Enable Static BP */ 237#define PJ4B_INTER_PARITY (1 << 8) /* Disable Internal Parity Handling */ 238#define PJ4B_BCK_OFF_STREX (1 << 5) /* Enable the back off of STREX instr */ 239#define PJ4B_CLEAN_LINE (1 << 16) /* Disable data transfer for clean line */ 240 241/* Auxiliary Debug Modes Control 2 Register */ 242#define PJ4B_FAST_LDR (1 << 23) /* Disable fast LDR */ 243#define PJ4B_SNOOP_DATA (1 << 25) /* Do not interleave write and snoop data */ 244#define PJ4B_CWF (1 << 27) /* Disable Critical Word First feature */ 245#define PJ4B_OUTSDNG_NC (1 << 29) /* Disable outstanding non cacheable rqst */ 246#define PJ4B_L1_REP_RR (1 << 30) /* L1 replacement - Strict round robin */ 247#define PJ4B_AUX_DBG_CTRL2 (PJ4B_SNOOP_DATA | PJ4B_CWF |\ 248 PJ4B_OUTSDNG_NC | PJ4B_L1_REP_RR) 249 250/* Auxiliary Functional Modes Control Register 0 */ 251#define PJ4B_SMP_CFB (1 << 1) /* Set SMP mode. Join the coherency fabric */ 252#define PJ4B_L1_PAR_CHK (1 << 2) /* Support L1 parity checking */ 253#define PJ4B_BROADCAST_CACHE (1 << 8) /* Broadcast Cache and TLB maintenance */ 254 255/* Auxiliary Debug Modes Control 0 Register */ 256#define PJ4B_WFI_WFE (1 << 22) /* WFI/WFE - serve the DVM and back to idle */ 257 258 /* Auxiliary Debug Modes Control 1 Register */ 259 mrc p15, 1, r0, c15, c1, 1 260 orr r0, r0, #PJ4B_CLEAN_LINE 261 orr r0, r0, #PJ4B_BCK_OFF_STREX 262 orr r0, r0, #PJ4B_INTER_PARITY 263 bic r0, r0, #PJ4B_STATIC_BP 264 mcr p15, 1, r0, c15, c1, 1 265 266 /* Auxiliary Debug Modes Control 2 Register */ 267 mrc p15, 1, r0, c15, c1, 2 268 bic r0, r0, #PJ4B_FAST_LDR 269 orr r0, r0, #PJ4B_AUX_DBG_CTRL2 270 mcr p15, 1, r0, c15, c1, 2 271 272 /* Auxiliary Functional Modes Control Register 0 */ 273 mrc p15, 1, r0, c15, c2, 0 274#ifdef CONFIG_SMP 275 orr r0, r0, #PJ4B_SMP_CFB 276#endif 277 orr r0, r0, #PJ4B_L1_PAR_CHK 278 orr r0, r0, #PJ4B_BROADCAST_CACHE 279 mcr p15, 1, r0, c15, c2, 0 280 281 /* Auxiliary Debug Modes Control 0 Register */ 282 mrc p15, 1, r0, c15, c1, 0 283 orr r0, r0, #PJ4B_WFI_WFE 284 mcr p15, 1, r0, c15, c1, 0 285 286#endif /* CONFIG_CPU_PJ4B */ 287 288__v7_setup: 289 adr r12, __v7_setup_stack @ the local stack 290 stmia r12, {r0-r5, r7, r9, r11, lr} 291 bl v7_flush_dcache_louis 292 ldmia r12, {r0-r5, r7, r9, r11, lr} 293 294 mrc p15, 0, r0, c0, c0, 0 @ read main ID register 295 and r10, r0, #0xff000000 @ ARM? 296 teq r10, #0x41000000 297 bne 3f 298 and r5, r0, #0x00f00000 @ variant 299 and r6, r0, #0x0000000f @ revision 300 orr r6, r6, r5, lsr #20-4 @ combine variant and revision 301 ubfx r0, r0, #4, #12 @ primary part number 302 303 /* Cortex-A8 Errata */ 304 ldr r10, =0x00000c08 @ Cortex-A8 primary part number 305 teq r0, r10 306 bne 2f 307#if defined(CONFIG_ARM_ERRATA_430973) && !defined(CONFIG_ARCH_MULTIPLATFORM) 308 309 teq r5, #0x00100000 @ only present in r1p* 310 mrceq p15, 0, r10, c1, c0, 1 @ read aux control register 311 orreq r10, r10, #(1 << 6) @ set IBE to 1 312 mcreq p15, 0, r10, c1, c0, 1 @ write aux control register 313#endif 314#ifdef CONFIG_ARM_ERRATA_458693 315 teq r6, #0x20 @ only present in r2p0 316 mrceq p15, 0, r10, c1, c0, 1 @ read aux control register 317 orreq r10, r10, #(1 << 5) @ set L1NEON to 1 318 orreq r10, r10, #(1 << 9) @ set PLDNOP to 1 319 mcreq p15, 0, r10, c1, c0, 1 @ write aux control register 320#endif 321#ifdef CONFIG_ARM_ERRATA_460075 322 teq r6, #0x20 @ only present in r2p0 323 mrceq p15, 1, r10, c9, c0, 2 @ read L2 cache aux ctrl register 324 tsteq r10, #1 << 22 325 orreq r10, r10, #(1 << 22) @ set the Write Allocate disable bit 326 mcreq p15, 1, r10, c9, c0, 2 @ write the L2 cache aux ctrl register 327#endif 328 b 3f 329 330 /* Cortex-A9 Errata */ 3312: ldr r10, =0x00000c09 @ Cortex-A9 primary part number 332 teq r0, r10 333 bne 3f 334#ifdef CONFIG_ARM_ERRATA_742230 335 cmp r6, #0x22 @ only present up to r2p2 336 mrcle p15, 0, r10, c15, c0, 1 @ read diagnostic register 337 orrle r10, r10, #1 << 4 @ set bit #4 338 mcrle p15, 0, r10, c15, c0, 1 @ write diagnostic register 339#endif 340#ifdef CONFIG_ARM_ERRATA_742231 341 teq r6, #0x20 @ present in r2p0 342 teqne r6, #0x21 @ present in r2p1 343 teqne r6, #0x22 @ present in r2p2 344 mrceq p15, 0, r10, c15, c0, 1 @ read diagnostic register 345 orreq r10, r10, #1 << 12 @ set bit #12 346 orreq r10, r10, #1 << 22 @ set bit #22 347 mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register 348#endif 349#ifdef CONFIG_ARM_ERRATA_743622 350 teq r5, #0x00200000 @ only present in r2p* 351 mrceq p15, 0, r10, c15, c0, 1 @ read diagnostic register 352 orreq r10, r10, #1 << 6 @ set bit #6 353 mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register 354#endif 355#if defined(CONFIG_ARM_ERRATA_751472) && defined(CONFIG_SMP) 356 ALT_SMP(cmp r6, #0x30) @ present prior to r3p0 357 ALT_UP_B(1f) 358 mrclt p15, 0, r10, c15, c0, 1 @ read diagnostic register 359 orrlt r10, r10, #1 << 11 @ set bit #11 360 mcrlt p15, 0, r10, c15, c0, 1 @ write diagnostic register 3611: 362#endif 363 364 /* Cortex-A15 Errata */ 3653: ldr r10, =0x00000c0f @ Cortex-A15 primary part number 366 teq r0, r10 367 bne 4f 368 369#ifdef CONFIG_ARM_ERRATA_773022 370 cmp r6, #0x4 @ only present up to r0p4 371 mrcle p15, 0, r10, c1, c0, 1 @ read aux control register 372 orrle r10, r10, #1 << 1 @ disable loop buffer 373 mcrle p15, 0, r10, c1, c0, 1 @ write aux control register 374#endif 375 3764: mov r10, #0 377 mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate 378#ifdef CONFIG_MMU 379 mcr p15, 0, r10, c8, c7, 0 @ invalidate I + D TLBs 380 v7_ttb_setup r10, r4, r8, r5 @ TTBCR, TTBRx setup 381 ldr r5, =PRRR @ PRRR 382 ldr r6, =NMRR @ NMRR 383 mcr p15, 0, r5, c10, c2, 0 @ write PRRR 384 mcr p15, 0, r6, c10, c2, 1 @ write NMRR 385#endif 386 dsb @ Complete invalidations 387#ifndef CONFIG_ARM_THUMBEE 388 mrc p15, 0, r0, c0, c1, 0 @ read ID_PFR0 for ThumbEE 389 and r0, r0, #(0xf << 12) @ ThumbEE enabled field 390 teq r0, #(1 << 12) @ check if ThumbEE is present 391 bne 1f 392 mov r5, #0 393 mcr p14, 6, r5, c1, c0, 0 @ Initialize TEEHBR to 0 394 mrc p14, 6, r0, c0, c0, 0 @ load TEECR 395 orr r0, r0, #1 @ set the 1st bit in order to 396 mcr p14, 6, r0, c0, c0, 0 @ stop userspace TEEHBR access 3971: 398#endif 399 adr r5, v7_crval 400 ldmia r5, {r5, r6} 401 ARM_BE8(orr r6, r6, #1 << 25) @ big-endian page tables 402#ifdef CONFIG_SWP_EMULATE 403 orr r5, r5, #(1 << 10) @ set SW bit in "clear" 404 bic r6, r6, #(1 << 10) @ clear it in "mmuset" 405#endif 406 mrc p15, 0, r0, c1, c0, 0 @ read control register 407 bic r0, r0, r5 @ clear bits them 408 orr r0, r0, r6 @ set them 409 THUMB( orr r0, r0, #1 << 30 ) @ Thumb exceptions 410 mov pc, lr @ return to head.S:__ret 411ENDPROC(__v7_setup) 412 413 .align 2 414__v7_setup_stack: 415 .space 4 * 11 @ 11 registers 416 417 __INITDATA 418 419 @ define struct processor (see <asm/proc-fns.h> and proc-macros.S) 420 define_processor_functions v7, dabort=v7_early_abort, pabort=v7_pabort, suspend=1 421#ifdef CONFIG_CPU_PJ4B 422 define_processor_functions pj4b, dabort=v7_early_abort, pabort=v7_pabort, suspend=1 423#endif 424 425 .section ".rodata" 426 427 string cpu_arch_name, "armv7" 428 string cpu_elf_name, "v7" 429 .align 430 431 .section ".proc.info.init", #alloc, #execinstr 432 433 /* 434 * Standard v7 proc info content 435 */ 436.macro __v7_proc initfunc, mm_mmuflags = 0, io_mmuflags = 0, hwcaps = 0, proc_fns = v7_processor_functions 437 ALT_SMP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \ 438 PMD_SECT_AF | PMD_FLAGS_SMP | \mm_mmuflags) 439 ALT_UP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \ 440 PMD_SECT_AF | PMD_FLAGS_UP | \mm_mmuflags) 441 .long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | \ 442 PMD_SECT_AP_READ | PMD_SECT_AF | \io_mmuflags 443 W(b) \initfunc 444 .long cpu_arch_name 445 .long cpu_elf_name 446 .long HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_FAST_MULT | \ 447 HWCAP_EDSP | HWCAP_TLS | \hwcaps 448 .long cpu_v7_name 449 .long \proc_fns 450 .long v7wbi_tlb_fns 451 .long v6_user_fns 452 .long v7_cache_fns 453.endm 454 455#ifndef CONFIG_ARM_LPAE 456 /* 457 * ARM Ltd. Cortex A5 processor. 458 */ 459 .type __v7_ca5mp_proc_info, #object 460__v7_ca5mp_proc_info: 461 .long 0x410fc050 462 .long 0xff0ffff0 463 __v7_proc __v7_ca5mp_setup 464 .size __v7_ca5mp_proc_info, . - __v7_ca5mp_proc_info 465 466 /* 467 * ARM Ltd. Cortex A9 processor. 468 */ 469 .type __v7_ca9mp_proc_info, #object 470__v7_ca9mp_proc_info: 471 .long 0x410fc090 472 .long 0xff0ffff0 473 __v7_proc __v7_ca9mp_setup 474 .size __v7_ca9mp_proc_info, . - __v7_ca9mp_proc_info 475 476#endif /* CONFIG_ARM_LPAE */ 477 478 /* 479 * Marvell PJ4B processor. 480 */ 481#ifdef CONFIG_CPU_PJ4B 482 .type __v7_pj4b_proc_info, #object 483__v7_pj4b_proc_info: 484 .long 0x560f5800 485 .long 0xff0fff00 486 __v7_proc __v7_pj4b_setup, proc_fns = pj4b_processor_functions 487 .size __v7_pj4b_proc_info, . - __v7_pj4b_proc_info 488#endif 489 490 /* 491 * ARM Ltd. Cortex R7 processor. 492 */ 493 .type __v7_cr7mp_proc_info, #object 494__v7_cr7mp_proc_info: 495 .long 0x410fc170 496 .long 0xff0ffff0 497 __v7_proc __v7_cr7mp_setup 498 .size __v7_cr7mp_proc_info, . - __v7_cr7mp_proc_info 499 500 /* 501 * ARM Ltd. Cortex A7 processor. 502 */ 503 .type __v7_ca7mp_proc_info, #object 504__v7_ca7mp_proc_info: 505 .long 0x410fc070 506 .long 0xff0ffff0 507 __v7_proc __v7_ca7mp_setup 508 .size __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info 509 510 /* 511 * ARM Ltd. Cortex A12 processor. 512 */ 513 .type __v7_ca12mp_proc_info, #object 514__v7_ca12mp_proc_info: 515 .long 0x410fc0d0 516 .long 0xff0ffff0 517 __v7_proc __v7_ca12mp_setup 518 .size __v7_ca12mp_proc_info, . - __v7_ca12mp_proc_info 519 520 /* 521 * ARM Ltd. Cortex A15 processor. 522 */ 523 .type __v7_ca15mp_proc_info, #object 524__v7_ca15mp_proc_info: 525 .long 0x410fc0f0 526 .long 0xff0ffff0 527 __v7_proc __v7_ca15mp_setup 528 .size __v7_ca15mp_proc_info, . - __v7_ca15mp_proc_info 529 530 /* 531 * ARM Ltd. Cortex A17 processor. 532 */ 533 .type __v7_ca17mp_proc_info, #object 534__v7_ca17mp_proc_info: 535 .long 0x410fc0e0 536 .long 0xff0ffff0 537 __v7_proc __v7_ca17mp_setup 538 .size __v7_ca17mp_proc_info, . - __v7_ca17mp_proc_info 539 540 /* 541 * Qualcomm Inc. Krait processors. 542 */ 543 .type __krait_proc_info, #object 544__krait_proc_info: 545 .long 0x510f0400 @ Required ID value 546 .long 0xff0ffc00 @ Mask for ID 547 /* 548 * Some Krait processors don't indicate support for SDIV and UDIV 549 * instructions in the ARM instruction set, even though they actually 550 * do support them. 551 */ 552 __v7_proc __v7_setup, hwcaps = HWCAP_IDIV 553 .size __krait_proc_info, . - __krait_proc_info 554 555 /* 556 * Match any ARMv7 processor core. 557 */ 558 .type __v7_proc_info, #object 559__v7_proc_info: 560 .long 0x000f0000 @ Required ID value 561 .long 0x000f0000 @ Mask for ID 562 __v7_proc __v7_setup 563 .size __v7_proc_info, . - __v7_proc_info 564