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authorLinus Torvalds <torvalds@linux-foundation.org>2011-08-29 19:34:07 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-08-29 19:34:07 -0400
commit90e93648c41bd29a72f6ec55ce27a23c209eab8c (patch)
tree705afc522c361f681567187018d80cf028fcb334 /arch/arm/kernel/setup.c
parent3ae627b5a6c8f6bf992eee6a3399a1854641a476 (diff)
parent25904157168ddc8841748a729914f00e53d7e049 (diff)
Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm: ARM: pm: avoid writing the auxillary control register for ARMv7 ARM: pm: some ARMv7 requires a dsb in resume to ensure correctness ARM: pm: arm920/926: fix number of registers saved ARM: pm: CPU specific code should not overwrite r1 (v:p offset) ARM: 7066/1: proc-v7: disable SCTLR.TE when disabling MMU ARM: 7065/1: kexec: ensure new kernel is entered in ARM state ARM: 7003/1: vexpress: Add clock definition for the SP805. ARM: 7051/1: cpuimx* boards: fix mach-types errors ARM: 7019/1: Footbridge: select CLKEVT_I8253 for ARCH_NETWINDER ARM: 7015/1: ARM errata: Possible cache data corruption with hit-under-miss enabled ARM: 7014/1: cache-l2x0: Fix L2 Cache size calculation. ARM: 6967/1: ep93xx: ts72xx: fix board model detection ARM: 6965/1: ep93xx: add model detection for ts-7300 and ts-7400 boards ARM: cache: detect VIPT aliasing I-cache on ARMv6 ARM: twd: register clockevents device before enabling PPI ARM: realview: ensure visibility of writes during reset ARM: perf: make name of arm_pmu_type consistent ARM: perf: fix prototype of release_pmu ARM: fix perf build with uclibc toolchains
Diffstat (limited to 'arch/arm/kernel/setup.c')
-rw-r--r--arch/arm/kernel/setup.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 70bca649e925..e514c76043b4 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -280,18 +280,19 @@ static void __init cacheid_init(void)
280 if (arch >= CPU_ARCH_ARMv6) { 280 if (arch >= CPU_ARCH_ARMv6) {
281 if ((cachetype & (7 << 29)) == 4 << 29) { 281 if ((cachetype & (7 << 29)) == 4 << 29) {
282 /* ARMv7 register format */ 282 /* ARMv7 register format */
283 arch = CPU_ARCH_ARMv7;
283 cacheid = CACHEID_VIPT_NONALIASING; 284 cacheid = CACHEID_VIPT_NONALIASING;
284 if ((cachetype & (3 << 14)) == 1 << 14) 285 if ((cachetype & (3 << 14)) == 1 << 14)
285 cacheid |= CACHEID_ASID_TAGGED; 286 cacheid |= CACHEID_ASID_TAGGED;
286 else if (cpu_has_aliasing_icache(CPU_ARCH_ARMv7))
287 cacheid |= CACHEID_VIPT_I_ALIASING;
288 } else if (cachetype & (1 << 23)) {
289 cacheid = CACHEID_VIPT_ALIASING;
290 } else { 287 } else {
291 cacheid = CACHEID_VIPT_NONALIASING; 288 arch = CPU_ARCH_ARMv6;
292 if (cpu_has_aliasing_icache(CPU_ARCH_ARMv6)) 289 if (cachetype & (1 << 23))
293 cacheid |= CACHEID_VIPT_I_ALIASING; 290 cacheid = CACHEID_VIPT_ALIASING;
291 else
292 cacheid = CACHEID_VIPT_NONALIASING;
294 } 293 }
294 if (cpu_has_aliasing_icache(arch))
295 cacheid |= CACHEID_VIPT_I_ALIASING;
295 } else { 296 } else {
296 cacheid = CACHEID_VIVT; 297 cacheid = CACHEID_VIVT;
297 } 298 }