commit beab375a48f0cd90eb08f04e2c1dad67b9e6d3f8
author Ralf Baechle <ralf@linux-mips.org> Mon Jun 19 21:56:25 2006 +0100
committer Ralf Baechle <ralf@linux-mips.org> Thu Jun 29 21:10:54 2006 +0100
tree a95bf7f73a177a2590547a54759319fad758ecec
parent 92c7b62fd1a6898fbfaf1db790ba4e70e90f39d2

[MIPS] Treat CPUs with AR bit as physically indexed.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/mm/c-r4k.c

diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index a78355a..33b1451 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1009,10 +1009,15 @@
 		break;
 	case CPU_24K:
 	case CPU_34K:
-		if (!(read_c0_config7() & (1 << 16)))
+		if ((read_c0_config7() & (1 << 16))) {
+			/* effectively physically indexed dcache,
+			   thus no virtual aliases. */
+			c->dcache.flags |= MIPS_CACHE_PINDEX;
+			break;
+		}
 	default:
-			if (c->dcache.waysize > PAGE_SIZE)
-				c->dcache.flags |= MIPS_CACHE_ALIASES;
+		if (c->dcache.waysize > PAGE_SIZE)
+			c->dcache.flags |= MIPS_CACHE_ALIASES;
 	}
 
 	switch (c->cputype) {