Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel
[linux-2.6.git] / arch / arm / kernel / setup.c
index 8d21427..bc5e412 100644 (file)
@@ -234,12 +234,13 @@ static void __init cacheid_init(void)
        unsigned int cachetype = read_cpuid_cachetype();
        unsigned int arch = cpu_architecture();
 
-       if (arch >= CPU_ARCH_ARMv7) {
-               cacheid = CACHEID_VIPT_NONALIASING;
-               if ((cachetype & (3 << 14)) == 1 << 14)
-                       cacheid |= CACHEID_ASID_TAGGED;
-       } else if (arch >= CPU_ARCH_ARMv6) {
-               if (cachetype & (1 << 23))
+       if (arch >= CPU_ARCH_ARMv6) {
+               if ((cachetype & (7 << 29)) == 4 << 29) {
+                       /* ARMv7 register format */
+                       cacheid = CACHEID_VIPT_NONALIASING;
+                       if ((cachetype & (3 << 14)) == 1 << 14)
+                               cacheid |= CACHEID_ASID_TAGGED;
+               } else if (cachetype & (1 << 23))
                        cacheid = CACHEID_VIPT_ALIASING;
                else
                        cacheid = CACHEID_VIPT_NONALIASING;