aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/head.S20
1 files changed, 8 insertions, 12 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index bd4823c74645..1155cf07c871 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -344,9 +344,9 @@ __create_page_tables:
344 str r6, [r0] 344 str r6, [r0]
345#endif 345#endif
346 346
347#ifdef CONFIG_DEBUG_LL
347 bic r7, r7, #0x0c @ turn off cacheable 348 bic r7, r7, #0x0c @ turn off cacheable
348 @ and bufferable bits 349 @ and bufferable bits
349#ifdef CONFIG_DEBUG_LL
350 /* 350 /*
351 * Map in IO space for serial debugging. 351 * Map in IO space for serial debugging.
352 * This allows debug messages to be output 352 * This allows debug messages to be output
@@ -372,28 +372,24 @@ __create_page_tables:
372 teq r1, #MACH_TYPE_NETWINDER 372 teq r1, #MACH_TYPE_NETWINDER
373 teqne r1, #MACH_TYPE_CATS 373 teqne r1, #MACH_TYPE_CATS
374 bne 1f 374 bne 1f
375 add r0, r4, #0x3fc0 @ ff000000 375 add r0, r4, #0xff000000 >> 18
376 mov r3, #0x7c000000 376 orr r3, r7, #0x7c000000
377 orr r3, r3, r7 377 str r3, [r0]
378 str r3, [r0], #4
379 add r3, r3, #1 << 20
380 str r3, [r0], #4
3811: 3781:
382#endif 379#endif
383#endif
384#ifdef CONFIG_ARCH_RPC 380#ifdef CONFIG_ARCH_RPC
385 /* 381 /*
386 * Map in screen at 0x02000000 & SCREEN2_BASE 382 * Map in screen at 0x02000000 & SCREEN2_BASE
387 * Similar reasons here - for debug. This is 383 * Similar reasons here - for debug. This is
388 * only for Acorn RiscPC architectures. 384 * only for Acorn RiscPC architectures.
389 */ 385 */
390 add r0, r4, #0x80 @ 02000000 386 add r0, r4, #0x02000000 >> 18
391 mov r3, #0x02000000 387 orr r3, r7, #0x02000000
392 orr r3, r3, r7
393 str r3, [r0] 388 str r3, [r0]
394 add r0, r4, #0x3600 @ d8000000 389 add r0, r4, #0xd8000000 >> 18
395 str r3, [r0] 390 str r3, [r0]
396#endif 391#endif
392#endif
397 mov pc, lr 393 mov pc, lr
398 .ltorg 394 .ltorg
399 395