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-rw-r--r--arch/arm/mm/cache-tauros2.c29
1 files changed, 1 insertions, 28 deletions
diff --git a/arch/arm/mm/cache-tauros2.c b/arch/arm/mm/cache-tauros2.c
index 1be0f4e5e6eb..b273739e6359 100644
--- a/arch/arm/mm/cache-tauros2.c
+++ b/arch/arm/mm/cache-tauros2.c
@@ -33,7 +33,7 @@
33 * outer cache operations into the kernel image if the kernel has been 33 * outer cache operations into the kernel image if the kernel has been
34 * configured to support a pre-v7 CPU. 34 * configured to support a pre-v7 CPU.
35 */ 35 */
36#if __LINUX_ARM_ARCH__ < 7 36#ifdef CONFIG_CPU_32v5
37/* 37/*
38 * Low-level cache maintenance operations. 38 * Low-level cache maintenance operations.
39 */ 39 */
@@ -229,33 +229,6 @@ static void __init tauros2_internal_init(unsigned int features)
229 } 229 }
230#endif 230#endif
231 231
232#ifdef CONFIG_CPU_32v6
233 /*
234 * Check whether this CPU lacks support for the v7 hierarchical
235 * cache ops. (PJ4 is in its v6 personality mode if the MMFR3
236 * register indicates no support for the v7 hierarchical cache
237 * ops.)
238 */
239 if (cpuid_scheme() && (read_mmfr3() & 0xf) == 0) {
240 /*
241 * When Tauros2 is used in an ARMv6 system, the L2
242 * enable bit is in the ARMv6 ARM-mandated position
243 * (bit [26] of the System Control Register).
244 */
245 if (!(get_cr() & 0x04000000)) {
246 printk(KERN_INFO "Tauros2: Enabling L2 cache.\n");
247 adjust_cr(0x04000000, 0x04000000);
248 }
249
250 mode = "ARMv6";
251 outer_cache.inv_range = tauros2_inv_range;
252 outer_cache.clean_range = tauros2_clean_range;
253 outer_cache.flush_range = tauros2_flush_range;
254 outer_cache.disable = tauros2_disable;
255 outer_cache.resume = tauros2_resume;
256 }
257#endif
258
259#ifdef CONFIG_CPU_32v7 232#ifdef CONFIG_CPU_32v7
260 /* 233 /*
261 * Check whether this CPU has support for the v7 hierarchical 234 * Check whether this CPU has support for the v7 hierarchical