| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
 | 2 |  *  linux/arch/arm/mm/proc-xscale.S | 
 | 3 |  * | 
 | 4 |  *  Author:	Nicolas Pitre | 
 | 5 |  *  Created:	November 2000 | 
 | 6 |  *  Copyright:	(C) 2000, 2001 MontaVista Software Inc. | 
 | 7 |  * | 
 | 8 |  * This program is free software; you can redistribute it and/or modify | 
 | 9 |  * it under the terms of the GNU General Public License version 2 as | 
 | 10 |  * published by the Free Software Foundation. | 
 | 11 |  * | 
 | 12 |  * MMU functions for the Intel XScale CPUs | 
 | 13 |  * | 
 | 14 |  * 2001 Aug 21: | 
 | 15 |  *	some contributions by Brett Gaines <brett.w.gaines@intel.com> | 
 | 16 |  *	Copyright 2001 by Intel Corp. | 
 | 17 |  * | 
 | 18 |  * 2001 Sep 08: | 
 | 19 |  *	Completely revisited, many important fixes | 
 | 20 |  *	Nicolas Pitre <nico@cam.org> | 
 | 21 |  */ | 
 | 22 |  | 
 | 23 | #include <linux/linkage.h> | 
 | 24 | #include <linux/init.h> | 
 | 25 | #include <asm/assembler.h> | 
 | 26 | #include <asm/procinfo.h> | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <asm/pgtable.h> | 
| Russell King | 0003ced | 2006-03-25 22:08:55 +0000 | [diff] [blame] | 28 | #include <asm/pgtable-hwdef.h> | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #include <asm/page.h> | 
 | 30 | #include <asm/ptrace.h> | 
 | 31 | #include "proc-macros.S" | 
 | 32 |  | 
 | 33 | /* | 
 | 34 |  * This is the maximum size of an area which will be flushed.  If the area | 
 | 35 |  * is larger than this, then we flush the whole cache | 
 | 36 |  */ | 
 | 37 | #define MAX_AREA_SIZE	32768 | 
 | 38 |  | 
 | 39 | /* | 
 | 40 |  * the cache line size of the I and D cache | 
 | 41 |  */ | 
 | 42 | #define CACHELINESIZE	32 | 
 | 43 |  | 
 | 44 | /* | 
 | 45 |  * the size of the data cache | 
 | 46 |  */ | 
 | 47 | #define CACHESIZE	32768 | 
 | 48 |  | 
 | 49 | /* | 
 | 50 |  * Virtual address used to allocate the cache when flushed | 
 | 51 |  * | 
 | 52 |  * This must be an address range which is _never_ used.  It should | 
 | 53 |  * apparently have a mapping in the corresponding page table for | 
 | 54 |  * compatibility with future CPUs that _could_ require it.  For instance we | 
 | 55 |  * don't care. | 
 | 56 |  * | 
 | 57 |  * This must be aligned on a 2*CACHESIZE boundary.  The code selects one of | 
 | 58 |  * the 2 areas in alternance each time the clean_d_cache macro is used. | 
 | 59 |  * Without this the XScale core exhibits cache eviction problems and no one | 
 | 60 |  * knows why. | 
 | 61 |  * | 
 | 62 |  * Reminder: the vector table is located at 0xffff0000-0xffff0fff. | 
 | 63 |  */ | 
 | 64 | #define CLEAN_ADDR	0xfffe0000 | 
 | 65 |  | 
 | 66 | /* | 
 | 67 |  * This macro is used to wait for a CP15 write and is needed | 
 | 68 |  * when we have to ensure that the last operation to the co-pro | 
 | 69 |  * was completed before continuing with operation. | 
 | 70 |  */ | 
 | 71 | 	.macro	cpwait, rd | 
 | 72 | 	mrc	p15, 0, \rd, c2, c0, 0		@ arbitrary read of cp15 | 
 | 73 | 	mov	\rd, \rd			@ wait for completion | 
 | 74 | 	sub 	pc, pc, #4			@ flush instruction pipeline | 
 | 75 | 	.endm | 
 | 76 |  | 
 | 77 | 	.macro	cpwait_ret, lr, rd | 
 | 78 | 	mrc	p15, 0, \rd, c2, c0, 0		@ arbitrary read of cp15 | 
 | 79 | 	sub	pc, \lr, \rd, LSR #32		@ wait for completion and | 
 | 80 | 						@ flush instruction pipeline | 
 | 81 | 	.endm | 
 | 82 |  | 
 | 83 | /* | 
 | 84 |  * This macro cleans the entire dcache using line allocate. | 
 | 85 |  * The main loop has been unrolled to reduce loop overhead. | 
 | 86 |  * rd and rs are two scratch registers. | 
 | 87 |  */ | 
 | 88 | 	.macro  clean_d_cache, rd, rs | 
 | 89 | 	ldr	\rs, =clean_addr | 
 | 90 | 	ldr	\rd, [\rs] | 
 | 91 | 	eor	\rd, \rd, #CACHESIZE | 
 | 92 | 	str	\rd, [\rs] | 
 | 93 | 	add	\rs, \rd, #CACHESIZE | 
 | 94 | 1:	mcr	p15, 0, \rd, c7, c2, 5		@ allocate D cache line | 
 | 95 | 	add	\rd, \rd, #CACHELINESIZE | 
 | 96 | 	mcr	p15, 0, \rd, c7, c2, 5		@ allocate D cache line | 
 | 97 | 	add	\rd, \rd, #CACHELINESIZE | 
 | 98 | 	mcr	p15, 0, \rd, c7, c2, 5		@ allocate D cache line | 
 | 99 | 	add	\rd, \rd, #CACHELINESIZE | 
 | 100 | 	mcr	p15, 0, \rd, c7, c2, 5		@ allocate D cache line | 
 | 101 | 	add	\rd, \rd, #CACHELINESIZE | 
 | 102 | 	teq	\rd, \rs | 
 | 103 | 	bne	1b | 
 | 104 | 	.endm | 
 | 105 |  | 
 | 106 | 	.data | 
 | 107 | clean_addr:	.word	CLEAN_ADDR | 
 | 108 |  | 
 | 109 | 	.text | 
 | 110 |  | 
 | 111 | /* | 
 | 112 |  * cpu_xscale_proc_init() | 
 | 113 |  * | 
 | 114 |  * Nothing too exciting at the moment | 
 | 115 |  */ | 
 | 116 | ENTRY(cpu_xscale_proc_init) | 
 | 117 | 	mov	pc, lr | 
 | 118 |  | 
 | 119 | /* | 
 | 120 |  * cpu_xscale_proc_fin() | 
 | 121 |  */ | 
 | 122 | ENTRY(cpu_xscale_proc_fin) | 
 | 123 | 	str	lr, [sp, #-4]! | 
 | 124 | 	mov	r0, #PSR_F_BIT|PSR_I_BIT|SVC_MODE | 
 | 125 | 	msr	cpsr_c, r0 | 
 | 126 | 	bl	xscale_flush_kern_cache_all	@ clean caches | 
 | 127 | 	mrc	p15, 0, r0, c1, c0, 0		@ ctrl register | 
 | 128 | 	bic	r0, r0, #0x1800			@ ...IZ........... | 
 | 129 | 	bic	r0, r0, #0x0006			@ .............CA. | 
 | 130 | 	mcr	p15, 0, r0, c1, c0, 0		@ disable caches | 
 | 131 | 	ldr	pc, [sp], #4 | 
 | 132 |  | 
 | 133 | /* | 
 | 134 |  * cpu_xscale_reset(loc) | 
 | 135 |  * | 
 | 136 |  * Perform a soft reset of the system.  Put the CPU into the | 
 | 137 |  * same state as it would be if it had been reset, and branch | 
 | 138 |  * to what would be the reset vector. | 
 | 139 |  * | 
 | 140 |  * loc: location to jump to for soft reset | 
| Nicolas Pitre | 2dc7667 | 2006-07-01 21:29:32 +0100 | [diff] [blame] | 141 |  * | 
 | 142 |  * Beware PXA270 erratum E7. | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 |  */ | 
 | 144 | 	.align	5 | 
 | 145 | ENTRY(cpu_xscale_reset) | 
 | 146 | 	mov	r1, #PSR_F_BIT|PSR_I_BIT|SVC_MODE | 
 | 147 | 	msr	cpsr_c, r1			@ reset CPSR | 
| Nicolas Pitre | 2dc7667 | 2006-07-01 21:29:32 +0100 | [diff] [blame] | 148 | 	mcr	p15, 0, r1, c10, c4, 1		@ unlock I-TLB | 
 | 149 | 	mcr	p15, 0, r1, c8, c5, 0		@ invalidate I-TLB | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | 	mrc	p15, 0, r1, c1, c0, 0		@ ctrl register | 
 | 151 | 	bic	r1, r1, #0x0086			@ ........B....CA. | 
 | 152 | 	bic	r1, r1, #0x3900			@ ..VIZ..S........ | 
| Nicolas Pitre | 2dc7667 | 2006-07-01 21:29:32 +0100 | [diff] [blame] | 153 | 	sub	pc, pc, #4			@ flush pipeline | 
 | 154 | 	@ *** cache line aligned *** | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | 	mcr	p15, 0, r1, c1, c0, 0		@ ctrl register | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | 	bic	r1, r1, #0x0001			@ ...............M | 
| Nicolas Pitre | 2dc7667 | 2006-07-01 21:29:32 +0100 | [diff] [blame] | 157 | 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches & BTB | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | 	mcr	p15, 0, r1, c1, c0, 0		@ ctrl register | 
 | 159 | 	@ CAUTION: MMU turned off from this point. We count on the pipeline | 
 | 160 | 	@ already containing those two last instructions to survive. | 
 | 161 | 	mcr	p15, 0, ip, c8, c7, 0		@ invalidate I & D TLBs | 
 | 162 | 	mov	pc, r0 | 
 | 163 |  | 
 | 164 | /* | 
 | 165 |  * cpu_xscale_do_idle() | 
 | 166 |  * | 
 | 167 |  * Cause the processor to idle | 
 | 168 |  * | 
 | 169 |  * For now we do nothing but go to idle mode for every case | 
 | 170 |  * | 
 | 171 |  * XScale supports clock switching, but using idle mode support | 
 | 172 |  * allows external hardware to react to system state changes. | 
 | 173 |  */ | 
 | 174 | 	.align	5 | 
 | 175 |  | 
 | 176 | ENTRY(cpu_xscale_do_idle) | 
 | 177 | 	mov	r0, #1 | 
 | 178 | 	mcr	p14, 0, r0, c7, c0, 0		@ Go to IDLE | 
 | 179 | 	mov	pc, lr | 
 | 180 |  | 
 | 181 | /* ================================= CACHE ================================ */ | 
 | 182 |  | 
 | 183 | /* | 
 | 184 |  *	flush_user_cache_all() | 
 | 185 |  * | 
 | 186 |  *	Invalidate all cache entries in a particular address | 
 | 187 |  *	space. | 
 | 188 |  */ | 
 | 189 | ENTRY(xscale_flush_user_cache_all) | 
 | 190 | 	/* FALLTHROUGH */ | 
 | 191 |  | 
 | 192 | /* | 
 | 193 |  *	flush_kern_cache_all() | 
 | 194 |  * | 
 | 195 |  *	Clean and invalidate the entire cache. | 
 | 196 |  */ | 
 | 197 | ENTRY(xscale_flush_kern_cache_all) | 
 | 198 | 	mov	r2, #VM_EXEC | 
 | 199 | 	mov	ip, #0 | 
 | 200 | __flush_whole_cache: | 
 | 201 | 	clean_d_cache r0, r1 | 
 | 202 | 	tst	r2, #VM_EXEC | 
 | 203 | 	mcrne	p15, 0, ip, c7, c5, 0		@ Invalidate I cache & BTB | 
 | 204 | 	mcrne	p15, 0, ip, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 205 | 	mov	pc, lr | 
 | 206 |  | 
 | 207 | /* | 
 | 208 |  *	flush_user_cache_range(start, end, vm_flags) | 
 | 209 |  * | 
 | 210 |  *	Invalidate a range of cache entries in the specified | 
 | 211 |  *	address space. | 
 | 212 |  * | 
 | 213 |  *	- start - start address (may not be aligned) | 
 | 214 |  *	- end	- end address (exclusive, may not be aligned) | 
 | 215 |  *	- vma	- vma_area_struct describing address space | 
 | 216 |  */ | 
 | 217 | 	.align	5 | 
 | 218 | ENTRY(xscale_flush_user_cache_range) | 
 | 219 | 	mov	ip, #0 | 
 | 220 | 	sub	r3, r1, r0			@ calculate total size | 
 | 221 | 	cmp	r3, #MAX_AREA_SIZE | 
 | 222 | 	bhs	__flush_whole_cache | 
 | 223 |  | 
 | 224 | 1:	tst	r2, #VM_EXEC | 
 | 225 | 	mcrne	p15, 0, r0, c7, c5, 1		@ Invalidate I cache line | 
 | 226 | 	mcr	p15, 0, r0, c7, c10, 1		@ Clean D cache line | 
 | 227 | 	mcr	p15, 0, r0, c7, c6, 1		@ Invalidate D cache line | 
 | 228 | 	add	r0, r0, #CACHELINESIZE | 
 | 229 | 	cmp	r0, r1 | 
 | 230 | 	blo	1b | 
 | 231 | 	tst	r2, #VM_EXEC | 
 | 232 | 	mcrne	p15, 0, ip, c7, c5, 6		@ Invalidate BTB | 
 | 233 | 	mcrne	p15, 0, ip, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 234 | 	mov	pc, lr | 
 | 235 |  | 
 | 236 | /* | 
 | 237 |  *	coherent_kern_range(start, end) | 
 | 238 |  * | 
 | 239 |  *	Ensure coherency between the Icache and the Dcache in the | 
 | 240 |  *	region described by start.  If you have non-snooping | 
 | 241 |  *	Harvard caches, you need to implement this function. | 
 | 242 |  * | 
 | 243 |  *	- start  - virtual start address | 
 | 244 |  *	- end	 - virtual end address | 
 | 245 |  * | 
 | 246 |  *	Note: single I-cache line invalidation isn't used here since | 
 | 247 |  *	it also trashes the mini I-cache used by JTAG debuggers. | 
 | 248 |  */ | 
 | 249 | ENTRY(xscale_coherent_kern_range) | 
| Nicolas Pitre | 8a052e0 | 2006-02-01 19:26:01 +0000 | [diff] [blame] | 250 | 	bic	r0, r0, #CACHELINESIZE - 1 | 
 | 251 | 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry | 
 | 252 | 	add	r0, r0, #CACHELINESIZE | 
 | 253 | 	cmp	r0, r1 | 
 | 254 | 	blo	1b | 
 | 255 | 	mov	r0, #0 | 
 | 256 | 	mcr	p15, 0, r0, c7, c5, 0		@ Invalidate I cache & BTB | 
 | 257 | 	mcr	p15, 0, r0, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 258 | 	mov	pc, lr | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 |  | 
 | 260 | /* | 
 | 261 |  *	coherent_user_range(start, end) | 
 | 262 |  * | 
 | 263 |  *	Ensure coherency between the Icache and the Dcache in the | 
 | 264 |  *	region described by start.  If you have non-snooping | 
 | 265 |  *	Harvard caches, you need to implement this function. | 
 | 266 |  * | 
 | 267 |  *	- start  - virtual start address | 
 | 268 |  *	- end	 - virtual end address | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 |  */ | 
 | 270 | ENTRY(xscale_coherent_user_range) | 
 | 271 | 	bic	r0, r0, #CACHELINESIZE - 1 | 
 | 272 | 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry | 
| Nicolas Pitre | 8a052e0 | 2006-02-01 19:26:01 +0000 | [diff] [blame] | 273 | 	mcr	p15, 0, r0, c7, c5, 1		@ Invalidate I cache entry | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | 	add	r0, r0, #CACHELINESIZE | 
 | 275 | 	cmp	r0, r1 | 
 | 276 | 	blo	1b | 
 | 277 | 	mov	r0, #0 | 
| Nicolas Pitre | 8a052e0 | 2006-02-01 19:26:01 +0000 | [diff] [blame] | 278 | 	mcr	p15, 0, r0, c7, c5, 6		@ Invalidate BTB | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | 	mcr	p15, 0, r0, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 280 | 	mov	pc, lr | 
 | 281 |  | 
 | 282 | /* | 
 | 283 |  *	flush_kern_dcache_page(void *page) | 
 | 284 |  * | 
 | 285 |  *	Ensure no D cache aliasing occurs, either with itself or | 
 | 286 |  *	the I cache | 
 | 287 |  * | 
 | 288 |  *	- addr	- page aligned address | 
 | 289 |  */ | 
 | 290 | ENTRY(xscale_flush_kern_dcache_page) | 
 | 291 | 	add	r1, r0, #PAGE_SZ | 
 | 292 | 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry | 
 | 293 | 	mcr	p15, 0, r0, c7, c6, 1		@ invalidate D entry | 
 | 294 | 	add	r0, r0, #CACHELINESIZE | 
 | 295 | 	cmp	r0, r1 | 
 | 296 | 	blo	1b | 
 | 297 | 	mov	r0, #0 | 
 | 298 | 	mcr	p15, 0, r0, c7, c5, 0		@ Invalidate I cache & BTB | 
 | 299 | 	mcr	p15, 0, r0, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 300 | 	mov	pc, lr | 
 | 301 |  | 
 | 302 | /* | 
 | 303 |  *	dma_inv_range(start, end) | 
 | 304 |  * | 
 | 305 |  *	Invalidate (discard) the specified virtual address range. | 
 | 306 |  *	May not write back any entries.  If 'start' or 'end' | 
 | 307 |  *	are not cache line aligned, those lines must be written | 
 | 308 |  *	back. | 
 | 309 |  * | 
 | 310 |  *	- start  - virtual start address | 
 | 311 |  *	- end	 - virtual end address | 
 | 312 |  */ | 
 | 313 | ENTRY(xscale_dma_inv_range) | 
 | 314 | 	mrc	p15, 0, r2, c0, c0, 0		@ read ID | 
 | 315 | 	eor	r2, r2, #0x69000000 | 
 | 316 | 	eor	r2, r2, #0x00052000 | 
 | 317 | 	bics	r2, r2, #1 | 
 | 318 | 	beq	xscale_dma_flush_range | 
 | 319 |  | 
 | 320 | 	tst	r0, #CACHELINESIZE - 1 | 
 | 321 | 	bic	r0, r0, #CACHELINESIZE - 1 | 
 | 322 | 	mcrne	p15, 0, r0, c7, c10, 1		@ clean D entry | 
 | 323 | 	tst	r1, #CACHELINESIZE - 1 | 
 | 324 | 	mcrne	p15, 0, r1, c7, c10, 1		@ clean D entry | 
 | 325 | 1:	mcr	p15, 0, r0, c7, c6, 1		@ invalidate D entry | 
 | 326 | 	add	r0, r0, #CACHELINESIZE | 
 | 327 | 	cmp	r0, r1 | 
 | 328 | 	blo	1b | 
 | 329 | 	mcr	p15, 0, r0, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 330 | 	mov	pc, lr | 
 | 331 |  | 
 | 332 | /* | 
 | 333 |  *	dma_clean_range(start, end) | 
 | 334 |  * | 
 | 335 |  *	Clean the specified virtual address range. | 
 | 336 |  * | 
 | 337 |  *	- start  - virtual start address | 
 | 338 |  *	- end	 - virtual end address | 
 | 339 |  */ | 
 | 340 | ENTRY(xscale_dma_clean_range) | 
 | 341 | 	bic	r0, r0, #CACHELINESIZE - 1 | 
 | 342 | 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry | 
 | 343 | 	add	r0, r0, #CACHELINESIZE | 
 | 344 | 	cmp	r0, r1 | 
 | 345 | 	blo	1b | 
 | 346 | 	mcr	p15, 0, r0, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 347 | 	mov	pc, lr | 
 | 348 |  | 
 | 349 | /* | 
 | 350 |  *	dma_flush_range(start, end) | 
 | 351 |  * | 
 | 352 |  *	Clean and invalidate the specified virtual address range. | 
 | 353 |  * | 
 | 354 |  *	- start  - virtual start address | 
 | 355 |  *	- end	 - virtual end address | 
 | 356 |  */ | 
 | 357 | ENTRY(xscale_dma_flush_range) | 
 | 358 | 	bic	r0, r0, #CACHELINESIZE - 1 | 
 | 359 | 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry | 
 | 360 | 	mcr	p15, 0, r0, c7, c6, 1		@ invalidate D entry | 
 | 361 | 	add	r0, r0, #CACHELINESIZE | 
 | 362 | 	cmp	r0, r1 | 
 | 363 | 	blo	1b | 
 | 364 | 	mcr	p15, 0, r0, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 365 | 	mov	pc, lr | 
 | 366 |  | 
 | 367 | ENTRY(xscale_cache_fns) | 
 | 368 | 	.long	xscale_flush_kern_cache_all | 
 | 369 | 	.long	xscale_flush_user_cache_all | 
 | 370 | 	.long	xscale_flush_user_cache_range | 
 | 371 | 	.long	xscale_coherent_kern_range | 
 | 372 | 	.long	xscale_coherent_user_range | 
 | 373 | 	.long	xscale_flush_kern_dcache_page | 
 | 374 | 	.long	xscale_dma_inv_range | 
 | 375 | 	.long	xscale_dma_clean_range | 
 | 376 | 	.long	xscale_dma_flush_range | 
 | 377 |  | 
 | 378 | ENTRY(cpu_xscale_dcache_clean_area) | 
 | 379 | 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry | 
 | 380 | 	add	r0, r0, #CACHELINESIZE | 
 | 381 | 	subs	r1, r1, #CACHELINESIZE | 
 | 382 | 	bhi	1b | 
 | 383 | 	mov	pc, lr | 
 | 384 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | /* =============================== PageTable ============================== */ | 
 | 386 |  | 
 | 387 | #define PTE_CACHE_WRITE_ALLOCATE 0 | 
 | 388 |  | 
 | 389 | /* | 
 | 390 |  * cpu_xscale_switch_mm(pgd) | 
 | 391 |  * | 
 | 392 |  * Set the translation base pointer to be as described by pgd. | 
 | 393 |  * | 
 | 394 |  * pgd: new page tables | 
 | 395 |  */ | 
 | 396 | 	.align	5 | 
 | 397 | ENTRY(cpu_xscale_switch_mm) | 
 | 398 | 	clean_d_cache r1, r2 | 
 | 399 | 	mcr	p15, 0, ip, c7, c5, 0		@ Invalidate I cache & BTB | 
 | 400 | 	mcr	p15, 0, ip, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 401 | 	mcr	p15, 0, r0, c2, c0, 0		@ load page table pointer | 
 | 402 | 	mcr	p15, 0, ip, c8, c7, 0		@ invalidate I & D TLBs | 
 | 403 | 	cpwait_ret lr, ip | 
 | 404 |  | 
 | 405 | /* | 
 | 406 |  * cpu_xscale_set_pte(ptep, pte) | 
 | 407 |  * | 
 | 408 |  * Set a PTE and flush it out | 
 | 409 |  * | 
 | 410 |  * Errata 40: must set memory to write-through for user read-only pages. | 
 | 411 |  */ | 
 | 412 | 	.align	5 | 
 | 413 | ENTRY(cpu_xscale_set_pte) | 
 | 414 | 	str	r1, [r0], #-2048		@ linux version | 
 | 415 |  | 
 | 416 | 	bic	r2, r1, #0xff0 | 
 | 417 | 	orr	r2, r2, #PTE_TYPE_EXT		@ extended page | 
 | 418 |  | 
 | 419 | 	eor	r3, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY | 
 | 420 |  | 
 | 421 | 	tst	r3, #L_PTE_USER			@ User? | 
 | 422 | 	orrne	r2, r2, #PTE_EXT_AP_URO_SRW	@ yes -> user r/o, system r/w | 
 | 423 |  | 
 | 424 | 	tst	r3, #L_PTE_WRITE | L_PTE_DIRTY	@ Write and Dirty? | 
 | 425 | 	orreq	r2, r2, #PTE_EXT_AP_UNO_SRW	@ yes -> user n/a, system r/w | 
 | 426 | 						@ combined with user -> user r/w | 
 | 427 |  | 
 | 428 | 	@ | 
 | 429 | 	@ Handle the X bit.  We want to set this bit for the minicache | 
 | 430 | 	@ (U = E = B = W = 0, C = 1) or when write allocate is enabled, | 
 | 431 | 	@ and we have a writeable, cacheable region.  If we ignore the | 
 | 432 | 	@ U and E bits, we can allow user space to use the minicache as | 
 | 433 | 	@ well. | 
 | 434 | 	@ | 
 | 435 | 	@  X = (C & ~W & ~B) | (C & W & B & write_allocate) | 
 | 436 | 	@ | 
 | 437 | 	eor	ip, r1, #L_PTE_CACHEABLE | 
 | 438 | 	tst	ip, #L_PTE_CACHEABLE | L_PTE_WRITE | L_PTE_BUFFERABLE | 
 | 439 | #if PTE_CACHE_WRITE_ALLOCATE | 
 | 440 | 	eorne	ip, r1, #L_PTE_CACHEABLE | L_PTE_WRITE | L_PTE_BUFFERABLE | 
 | 441 | 	tstne	ip, #L_PTE_CACHEABLE | L_PTE_WRITE | L_PTE_BUFFERABLE | 
 | 442 | #endif | 
 | 443 | 	orreq	r2, r2, #PTE_EXT_TEX(1) | 
 | 444 |  | 
 | 445 | 	@ | 
 | 446 | 	@ Erratum 40: The B bit must be cleared for a user read-only | 
 | 447 | 	@ cacheable page. | 
 | 448 | 	@ | 
 | 449 | 	@  B = B & ~(U & C & ~W) | 
 | 450 | 	@ | 
 | 451 | 	and	ip, r1, #L_PTE_USER | L_PTE_WRITE | L_PTE_CACHEABLE | 
 | 452 | 	teq	ip, #L_PTE_USER | L_PTE_CACHEABLE | 
 | 453 | 	biceq	r2, r2, #PTE_BUFFERABLE | 
 | 454 |  | 
 | 455 | 	tst	r3, #L_PTE_PRESENT | L_PTE_YOUNG	@ Present and Young? | 
 | 456 | 	movne	r2, #0				@ no -> fault | 
 | 457 |  | 
 | 458 | 	str	r2, [r0]			@ hardware version | 
 | 459 | 	mov	ip, #0 | 
 | 460 | 	mcr	p15, 0, r0, c7, c10, 1		@ Clean D cache line | 
 | 461 | 	mcr	p15, 0, ip, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 462 | 	mov	pc, lr | 
 | 463 |  | 
 | 464 |  | 
 | 465 | 	.ltorg | 
 | 466 |  | 
 | 467 | 	.align | 
 | 468 |  | 
 | 469 | 	__INIT | 
 | 470 |  | 
 | 471 | 	.type	__xscale_setup, #function | 
 | 472 | __xscale_setup: | 
 | 473 | 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I, D caches & BTB | 
 | 474 | 	mcr	p15, 0, ip, c7, c10, 4		@ Drain Write (& Fill) Buffer | 
 | 475 | 	mcr	p15, 0, ip, c8, c7, 0		@ invalidate I, D TLBs | 
 | 476 | #ifdef CONFIG_IWMMXT | 
 | 477 | 	mov	r0, #0				@ initially disallow access to CP0/CP1 | 
 | 478 | #else | 
 | 479 | 	mov	r0, #1				@ Allow access to CP0 | 
 | 480 | #endif | 
 | 481 | 	orr     r0, r0, #1 << 6			@ cp6 for IOP3xx and Bulverde | 
 | 482 | 	orr	r0, r0, #1 << 13		@ Its undefined whether this | 
 | 483 | 	mcr	p15, 0, r0, c15, c1, 0		@ affects USR or SVC modes | 
| Russell King | 22b1908 | 2006-06-29 15:09:57 +0100 | [diff] [blame] | 484 |  | 
 | 485 | 	adr	r5, xscale_crval | 
 | 486 | 	ldmia	r5, {r5, r6} | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | 	mrc	p15, 0, r0, c1, c0, 0		@ get control register | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | 	bic	r0, r0, r5 | 
| Russell King | 22b1908 | 2006-06-29 15:09:57 +0100 | [diff] [blame] | 489 | 	orr	r0, r0, r6 | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 490 | 	mov	pc, lr | 
 | 491 | 	.size	__xscale_setup, . - __xscale_setup | 
 | 492 |  | 
 | 493 | 	/* | 
 | 494 | 	 *  R | 
 | 495 | 	 * .RVI ZFRS BLDP WCAM | 
 | 496 | 	 * ..11 1.01 .... .101 | 
 | 497 | 	 *  | 
 | 498 | 	 */ | 
| Russell King | 22b1908 | 2006-06-29 15:09:57 +0100 | [diff] [blame] | 499 | 	.type	xscale_crval, #object | 
 | 500 | xscale_crval: | 
 | 501 | 	crval	clear=0x00003b07, mmuset=0x00003905, ucset=0x00001900 | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 |  | 
 | 503 | 	__INITDATA | 
 | 504 |  | 
 | 505 | /* | 
 | 506 |  * Purpose : Function pointers used to access above functions - all calls | 
 | 507 |  *	     come through these | 
 | 508 |  */ | 
 | 509 |  | 
 | 510 | 	.type	xscale_processor_functions, #object | 
 | 511 | ENTRY(xscale_processor_functions) | 
 | 512 | 	.word	v5t_early_abort | 
 | 513 | 	.word	cpu_xscale_proc_init | 
 | 514 | 	.word	cpu_xscale_proc_fin | 
 | 515 | 	.word	cpu_xscale_reset | 
 | 516 | 	.word	cpu_xscale_do_idle | 
 | 517 | 	.word	cpu_xscale_dcache_clean_area | 
 | 518 | 	.word	cpu_xscale_switch_mm | 
 | 519 | 	.word	cpu_xscale_set_pte | 
 | 520 | 	.size	xscale_processor_functions, . - xscale_processor_functions | 
 | 521 |  | 
 | 522 | 	.section ".rodata" | 
 | 523 |  | 
 | 524 | 	.type	cpu_arch_name, #object | 
 | 525 | cpu_arch_name: | 
 | 526 | 	.asciz	"armv5te" | 
 | 527 | 	.size	cpu_arch_name, . - cpu_arch_name | 
 | 528 |  | 
 | 529 | 	.type	cpu_elf_name, #object | 
 | 530 | cpu_elf_name: | 
 | 531 | 	.asciz	"v5" | 
 | 532 | 	.size	cpu_elf_name, . - cpu_elf_name | 
 | 533 |  | 
 | 534 | 	.type	cpu_80200_name, #object | 
 | 535 | cpu_80200_name: | 
 | 536 | 	.asciz	"XScale-80200" | 
 | 537 | 	.size	cpu_80200_name, . - cpu_80200_name | 
 | 538 |  | 
| Lennert Buytenhek | a6a38a6 | 2006-07-29 08:29:26 +0100 | [diff] [blame] | 539 | 	.type	cpu_80219_name, #object | 
 | 540 | cpu_80219_name: | 
 | 541 | 	.asciz	"XScale-80219" | 
 | 542 | 	.size	cpu_80219_name, . - cpu_80219_name | 
 | 543 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | 	.type	cpu_8032x_name, #object | 
 | 545 | cpu_8032x_name: | 
 | 546 | 	.asciz	"XScale-IOP8032x Family" | 
 | 547 | 	.size	cpu_8032x_name, . - cpu_8032x_name | 
 | 548 |  | 
 | 549 | 	.type	cpu_8033x_name, #object | 
 | 550 | cpu_8033x_name: | 
 | 551 | 	.asciz	"XScale-IOP8033x Family" | 
 | 552 | 	.size	cpu_8033x_name, . - cpu_8033x_name | 
 | 553 |  | 
 | 554 | 	.type	cpu_pxa250_name, #object | 
 | 555 | cpu_pxa250_name: | 
 | 556 | 	.asciz	"XScale-PXA250" | 
 | 557 | 	.size	cpu_pxa250_name, . - cpu_pxa250_name | 
 | 558 |  | 
 | 559 | 	.type	cpu_pxa210_name, #object | 
 | 560 | cpu_pxa210_name: | 
 | 561 | 	.asciz	"XScale-PXA210" | 
 | 562 | 	.size	cpu_pxa210_name, . - cpu_pxa210_name | 
 | 563 |  | 
 | 564 | 	.type	cpu_ixp42x_name, #object | 
 | 565 | cpu_ixp42x_name: | 
 | 566 | 	.asciz	"XScale-IXP42x Family" | 
 | 567 | 	.size	cpu_ixp42x_name, . - cpu_ixp42x_name | 
 | 568 |  | 
 | 569 | 	.type	cpu_ixp46x_name, #object | 
 | 570 | cpu_ixp46x_name: | 
 | 571 | 	.asciz	"XScale-IXP46x Family" | 
 | 572 | 	.size	cpu_ixp46x_name, . - cpu_ixp46x_name | 
 | 573 |  | 
 | 574 | 	.type	cpu_ixp2400_name, #object | 
 | 575 | cpu_ixp2400_name: | 
 | 576 | 	.asciz	"XScale-IXP2400" | 
 | 577 | 	.size	cpu_ixp2400_name, . - cpu_ixp2400_name | 
 | 578 |  | 
 | 579 | 	.type	cpu_ixp2800_name, #object | 
 | 580 | cpu_ixp2800_name: | 
 | 581 | 	.asciz	"XScale-IXP2800" | 
 | 582 | 	.size	cpu_ixp2800_name, . - cpu_ixp2800_name | 
 | 583 |  | 
 | 584 | 	.type	cpu_pxa255_name, #object | 
 | 585 | cpu_pxa255_name: | 
 | 586 | 	.asciz	"XScale-PXA255" | 
 | 587 | 	.size	cpu_pxa255_name, . - cpu_pxa255_name | 
 | 588 |  | 
 | 589 | 	.type	cpu_pxa270_name, #object | 
 | 590 | cpu_pxa270_name: | 
 | 591 | 	.asciz	"XScale-PXA270" | 
 | 592 | 	.size	cpu_pxa270_name, . - cpu_pxa270_name | 
 | 593 |  | 
 | 594 | 	.align | 
 | 595 |  | 
| Ben Dooks | 02b7dd1 | 2005-09-20 16:35:03 +0100 | [diff] [blame] | 596 | 	.section ".proc.info.init", #alloc, #execinstr | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 |  | 
 | 598 | 	.type	__80200_proc_info,#object | 
 | 599 | __80200_proc_info: | 
 | 600 | 	.long	0x69052000 | 
 | 601 | 	.long	0xfffffff0 | 
 | 602 | 	.long   PMD_TYPE_SECT | \ | 
 | 603 | 		PMD_SECT_BUFFERABLE | \ | 
 | 604 | 		PMD_SECT_CACHEABLE | \ | 
 | 605 | 		PMD_SECT_AP_WRITE | \ | 
 | 606 | 		PMD_SECT_AP_READ | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 607 | 	.long   PMD_TYPE_SECT | \ | 
 | 608 | 		PMD_SECT_AP_WRITE | \ | 
 | 609 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 610 | 	b	__xscale_setup | 
 | 611 | 	.long	cpu_arch_name | 
 | 612 | 	.long	cpu_elf_name | 
 | 613 | 	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 614 | 	.long	cpu_80200_name | 
 | 615 | 	.long	xscale_processor_functions | 
 | 616 | 	.long	v4wbi_tlb_fns | 
 | 617 | 	.long	xscale_mc_user_fns | 
 | 618 | 	.long	xscale_cache_fns | 
 | 619 | 	.size	__80200_proc_info, . - __80200_proc_info | 
 | 620 |  | 
| Lennert Buytenhek | a6a38a6 | 2006-07-29 08:29:26 +0100 | [diff] [blame] | 621 | 	.type	__80219_proc_info,#object | 
 | 622 | __80219_proc_info: | 
 | 623 | 	.long	0x69052e20 | 
 | 624 | 	.long	0xffffffe0 | 
 | 625 | 	.long   PMD_TYPE_SECT | \ | 
 | 626 | 		PMD_SECT_BUFFERABLE | \ | 
 | 627 | 		PMD_SECT_CACHEABLE | \ | 
 | 628 | 		PMD_SECT_AP_WRITE | \ | 
 | 629 | 		PMD_SECT_AP_READ | 
 | 630 | 	.long   PMD_TYPE_SECT | \ | 
 | 631 | 		PMD_SECT_AP_WRITE | \ | 
 | 632 | 		PMD_SECT_AP_READ | 
 | 633 | 	b	__xscale_setup | 
 | 634 | 	.long	cpu_arch_name | 
 | 635 | 	.long	cpu_elf_name | 
 | 636 | 	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 637 | 	.long	cpu_80219_name | 
 | 638 | 	.long	xscale_processor_functions | 
 | 639 | 	.long	v4wbi_tlb_fns | 
 | 640 | 	.long	xscale_mc_user_fns | 
 | 641 | 	.long	xscale_cache_fns | 
 | 642 | 	.size	__80219_proc_info, . - __80219_proc_info | 
 | 643 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | 	.type	__8032x_proc_info,#object | 
 | 645 | __8032x_proc_info: | 
 | 646 | 	.long	0x69052420 | 
| Dan Williams | 36694a4 | 2006-09-14 17:45:16 +0100 | [diff] [blame] | 647 | 	.long	0xfffff7e0 | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 648 | 	.long   PMD_TYPE_SECT | \ | 
 | 649 | 		PMD_SECT_BUFFERABLE | \ | 
 | 650 | 		PMD_SECT_CACHEABLE | \ | 
 | 651 | 		PMD_SECT_AP_WRITE | \ | 
 | 652 | 		PMD_SECT_AP_READ | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 653 | 	.long   PMD_TYPE_SECT | \ | 
 | 654 | 		PMD_SECT_AP_WRITE | \ | 
 | 655 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | 	b	__xscale_setup | 
 | 657 | 	.long	cpu_arch_name | 
 | 658 | 	.long	cpu_elf_name | 
 | 659 | 	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 660 | 	.long	cpu_8032x_name | 
 | 661 | 	.long	xscale_processor_functions | 
 | 662 | 	.long	v4wbi_tlb_fns | 
 | 663 | 	.long	xscale_mc_user_fns | 
 | 664 | 	.long	xscale_cache_fns | 
 | 665 | 	.size	__8032x_proc_info, . - __8032x_proc_info | 
 | 666 |  | 
 | 667 | 	.type	__8033x_proc_info,#object | 
 | 668 | __8033x_proc_info: | 
 | 669 | 	.long	0x69054010 | 
 | 670 | 	.long	0xffffff30 | 
 | 671 | 	.long   PMD_TYPE_SECT | \ | 
 | 672 | 		PMD_SECT_BUFFERABLE | \ | 
 | 673 | 		PMD_SECT_CACHEABLE | \ | 
 | 674 | 		PMD_SECT_AP_WRITE | \ | 
 | 675 | 		PMD_SECT_AP_READ | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 676 | 	.long   PMD_TYPE_SECT | \ | 
 | 677 | 		PMD_SECT_AP_WRITE | \ | 
 | 678 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 679 | 	b	__xscale_setup | 
 | 680 | 	.long	cpu_arch_name | 
 | 681 | 	.long	cpu_elf_name | 
 | 682 | 	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 683 | 	.long	cpu_8033x_name | 
 | 684 | 	.long	xscale_processor_functions | 
 | 685 | 	.long	v4wbi_tlb_fns | 
 | 686 | 	.long	xscale_mc_user_fns | 
 | 687 | 	.long	xscale_cache_fns | 
 | 688 | 	.size	__8033x_proc_info, . - __8033x_proc_info | 
 | 689 |  | 
 | 690 | 	.type	__pxa250_proc_info,#object | 
 | 691 | __pxa250_proc_info: | 
 | 692 | 	.long	0x69052100 | 
 | 693 | 	.long	0xfffff7f0 | 
 | 694 | 	.long   PMD_TYPE_SECT | \ | 
 | 695 | 		PMD_SECT_BUFFERABLE | \ | 
 | 696 | 		PMD_SECT_CACHEABLE | \ | 
 | 697 | 		PMD_SECT_AP_WRITE | \ | 
 | 698 | 		PMD_SECT_AP_READ | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 699 | 	.long   PMD_TYPE_SECT | \ | 
 | 700 | 		PMD_SECT_AP_WRITE | \ | 
 | 701 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 702 | 	b	__xscale_setup | 
 | 703 | 	.long	cpu_arch_name | 
 | 704 | 	.long	cpu_elf_name | 
 | 705 | 	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 706 | 	.long	cpu_pxa250_name | 
 | 707 | 	.long	xscale_processor_functions | 
 | 708 | 	.long	v4wbi_tlb_fns | 
 | 709 | 	.long	xscale_mc_user_fns | 
 | 710 | 	.long	xscale_cache_fns | 
 | 711 | 	.size	__pxa250_proc_info, . - __pxa250_proc_info | 
 | 712 |  | 
 | 713 | 	.type	__pxa210_proc_info,#object | 
 | 714 | __pxa210_proc_info: | 
 | 715 | 	.long	0x69052120 | 
 | 716 | 	.long	0xfffff3f0 | 
 | 717 | 	.long   PMD_TYPE_SECT | \ | 
 | 718 | 		PMD_SECT_BUFFERABLE | \ | 
 | 719 | 		PMD_SECT_CACHEABLE | \ | 
 | 720 | 		PMD_SECT_AP_WRITE | \ | 
 | 721 | 		PMD_SECT_AP_READ | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 722 | 	.long   PMD_TYPE_SECT | \ | 
 | 723 | 		PMD_SECT_AP_WRITE | \ | 
 | 724 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | 	b	__xscale_setup | 
 | 726 | 	.long	cpu_arch_name | 
 | 727 | 	.long	cpu_elf_name | 
 | 728 | 	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 729 | 	.long	cpu_pxa210_name | 
 | 730 | 	.long	xscale_processor_functions | 
 | 731 | 	.long	v4wbi_tlb_fns | 
 | 732 | 	.long	xscale_mc_user_fns | 
 | 733 | 	.long	xscale_cache_fns | 
 | 734 | 	.size	__pxa210_proc_info, . - __pxa210_proc_info | 
 | 735 |  | 
 | 736 | 	.type	__ixp2400_proc_info, #object | 
 | 737 | __ixp2400_proc_info: | 
 | 738 | 	.long   0x69054190 | 
 | 739 | 	.long   0xfffffff0 | 
 | 740 | 	.long   PMD_TYPE_SECT | \ | 
 | 741 | 		PMD_SECT_BUFFERABLE | \ | 
 | 742 | 		PMD_SECT_CACHEABLE | \ | 
 | 743 | 		PMD_SECT_AP_WRITE | \ | 
 | 744 | 		PMD_SECT_AP_READ | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 745 | 	.long   PMD_TYPE_SECT | \ | 
 | 746 | 		PMD_SECT_AP_WRITE | \ | 
 | 747 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 748 | 	b       __xscale_setup | 
 | 749 | 	.long   cpu_arch_name | 
 | 750 | 	.long   cpu_elf_name | 
 | 751 | 	.long   HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 752 | 	.long   cpu_ixp2400_name | 
 | 753 | 	.long   xscale_processor_functions | 
 | 754 | 	.long	v4wbi_tlb_fns | 
 | 755 | 	.long	xscale_mc_user_fns | 
 | 756 | 	.long	xscale_cache_fns | 
 | 757 | 	.size   __ixp2400_proc_info, . - __ixp2400_proc_info                 | 
 | 758 |  | 
 | 759 | 	.type	__ixp2800_proc_info, #object | 
 | 760 | __ixp2800_proc_info: | 
 | 761 | 	.long   0x690541a0 | 
 | 762 | 	.long   0xfffffff0 | 
 | 763 | 	.long   PMD_TYPE_SECT | \ | 
 | 764 | 		PMD_SECT_BUFFERABLE | \ | 
 | 765 | 		PMD_SECT_CACHEABLE | \ | 
 | 766 | 		PMD_SECT_AP_WRITE | \ | 
 | 767 | 		PMD_SECT_AP_READ | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 768 | 	.long   PMD_TYPE_SECT | \ | 
 | 769 | 		PMD_SECT_AP_WRITE | \ | 
 | 770 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 771 | 	b       __xscale_setup | 
 | 772 | 	.long   cpu_arch_name | 
 | 773 | 	.long   cpu_elf_name | 
 | 774 | 	.long   HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 775 | 	.long   cpu_ixp2800_name | 
 | 776 | 	.long   xscale_processor_functions | 
 | 777 | 	.long	v4wbi_tlb_fns | 
 | 778 | 	.long	xscale_mc_user_fns | 
 | 779 | 	.long	xscale_cache_fns | 
 | 780 | 	.size   __ixp2800_proc_info, . - __ixp2800_proc_info                 | 
 | 781 |  | 
 | 782 | 	.type	__ixp42x_proc_info, #object | 
 | 783 | __ixp42x_proc_info: | 
 | 784 | 	.long   0x690541c0 | 
 | 785 | 	.long   0xffffffc0 | 
 | 786 | 	.long   PMD_TYPE_SECT | \ | 
 | 787 | 		PMD_SECT_BUFFERABLE | \ | 
 | 788 | 		PMD_SECT_CACHEABLE | \ | 
 | 789 | 		PMD_SECT_AP_WRITE | \ | 
 | 790 | 		PMD_SECT_AP_READ | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 791 | 	.long   PMD_TYPE_SECT | \ | 
 | 792 | 		PMD_SECT_AP_WRITE | \ | 
 | 793 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 794 | 	b       __xscale_setup | 
 | 795 | 	.long   cpu_arch_name | 
 | 796 | 	.long   cpu_elf_name | 
 | 797 | 	.long   HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 798 | 	.long   cpu_ixp42x_name | 
 | 799 | 	.long   xscale_processor_functions | 
 | 800 | 	.long	v4wbi_tlb_fns | 
 | 801 | 	.long	xscale_mc_user_fns | 
 | 802 | 	.long	xscale_cache_fns | 
 | 803 | 	.size   __ixp42x_proc_info, . - __ixp42x_proc_info                 | 
 | 804 |  | 
 | 805 | 	.type	__ixp46x_proc_info, #object | 
 | 806 | __ixp46x_proc_info: | 
 | 807 | 	.long   0x69054200 | 
 | 808 | 	.long   0xffffff00 | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 809 | 	.long   PMD_TYPE_SECT | \ | 
 | 810 | 		PMD_SECT_BUFFERABLE | \ | 
 | 811 | 		PMD_SECT_CACHEABLE | \ | 
 | 812 | 		PMD_SECT_AP_WRITE | \ | 
 | 813 | 		PMD_SECT_AP_READ | 
 | 814 | 	.long   PMD_TYPE_SECT | \ | 
 | 815 | 		PMD_SECT_AP_WRITE | \ | 
 | 816 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | 	b       __xscale_setup | 
 | 818 | 	.long   cpu_arch_name | 
 | 819 | 	.long   cpu_elf_name | 
 | 820 | 	.long   HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 821 | 	.long   cpu_ixp46x_name | 
 | 822 | 	.long   xscale_processor_functions | 
 | 823 | 	.long	v4wbi_tlb_fns | 
 | 824 | 	.long	xscale_mc_user_fns | 
 | 825 | 	.long	xscale_cache_fns | 
 | 826 | 	.size   __ixp46x_proc_info, . - __ixp46x_proc_info | 
 | 827 |  | 
 | 828 | 	.type	__pxa255_proc_info,#object | 
 | 829 | __pxa255_proc_info: | 
 | 830 | 	.long	0x69052d00 | 
 | 831 | 	.long	0xfffffff0 | 
 | 832 | 	.long   PMD_TYPE_SECT | \ | 
 | 833 | 		PMD_SECT_BUFFERABLE | \ | 
 | 834 | 		PMD_SECT_CACHEABLE | \ | 
 | 835 | 		PMD_SECT_AP_WRITE | \ | 
 | 836 | 		PMD_SECT_AP_READ | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 837 | 	.long   PMD_TYPE_SECT | \ | 
 | 838 | 		PMD_SECT_AP_WRITE | \ | 
 | 839 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | 	b	__xscale_setup | 
 | 841 | 	.long	cpu_arch_name | 
 | 842 | 	.long	cpu_elf_name | 
 | 843 | 	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 844 | 	.long	cpu_pxa255_name | 
 | 845 | 	.long	xscale_processor_functions | 
 | 846 | 	.long	v4wbi_tlb_fns | 
 | 847 | 	.long	xscale_mc_user_fns | 
 | 848 | 	.long	xscale_cache_fns | 
 | 849 | 	.size	__pxa255_proc_info, . - __pxa255_proc_info | 
 | 850 |  | 
 | 851 | 	.type	__pxa270_proc_info,#object | 
 | 852 | __pxa270_proc_info: | 
 | 853 | 	.long	0x69054110 | 
 | 854 | 	.long	0xfffffff0 | 
 | 855 | 	.long   PMD_TYPE_SECT | \ | 
 | 856 | 		PMD_SECT_BUFFERABLE | \ | 
 | 857 | 		PMD_SECT_CACHEABLE | \ | 
 | 858 | 		PMD_SECT_AP_WRITE | \ | 
 | 859 | 		PMD_SECT_AP_READ | 
| Russell King | 8799ee9 | 2006-06-29 18:24:21 +0100 | [diff] [blame] | 860 | 	.long   PMD_TYPE_SECT | \ | 
 | 861 | 		PMD_SECT_AP_WRITE | \ | 
 | 862 | 		PMD_SECT_AP_READ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | 	b	__xscale_setup | 
 | 864 | 	.long	cpu_arch_name | 
 | 865 | 	.long	cpu_elf_name | 
 | 866 | 	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP | 
 | 867 | 	.long	cpu_pxa270_name | 
 | 868 | 	.long	xscale_processor_functions | 
 | 869 | 	.long	v4wbi_tlb_fns | 
 | 870 | 	.long	xscale_mc_user_fns | 
 | 871 | 	.long	xscale_cache_fns | 
 | 872 | 	.size	__pxa270_proc_info, . - __pxa270_proc_info | 
 | 873 |  |