[MIPS] Extend MIPS_MAX_CACHE_SIZE upto 64kB

Signed-off-by: Shinya Kuribayashi <skuribay@ruby.dti.ne.jp>
17 years ago · 373b16fc0c
parent d98e348e2e
commit 373b16fc0c
1 changed files with 9 additions and 5 deletions
--- a/cpu/mips/cache.S
+++ b/cpu/mips/cache.S
@ -1,5 +1,5 @@
 /*
- *  Cache-handling routined for MIPS 4K CPUs
+ *  Cache-handling routined for MIPS CPUs
 *
 *  Copyright (c) 2003	Wolfgang Denk <wd@denx.de>
 *
@ -32,10 +32,14 @@

 #define RA		t8

-	/* 16KB is the maximum size of instruction and data caches on
-	 * MIPS 4K.
-	 */
-#define MIPS_MAX_CACHE_SIZE	0x4000
+/*
+ * 16kB is the maximum size of instruction and data caches on MIPS 4K,
+ * 64kB is on 4KE, 24K, 5K, etc. Set bigger size for convenience.
+ *
+ * Note that the above size is the maximum size of primary cache. U-Boot
+ * doesn't have L2 cache support for now.
+ */
+#define MIPS_MAX_CACHE_SIZE	0x10000

 #define INDEX_BASE	KSEG0