1 files changed, 37 insertions, 0 deletions

diff --git a/arch/mips/sni/pcimt_scache.c b/arch/mips/sni/pcimt_scache.c
new file mode 100644
index 000000000000..a59d457fa8b1
--- /dev/null
+++ b/arch/mips/sni/pcimt_scache.c
@@ -0,0 +1,37 @@
+/*
+ * arch/mips/sni/pcimt_scache.c
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1997, 1998 by Ralf Baechle
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <asm/bcache.h>
+#include <asm/sni.h>
+
+#define cacheconf (*(volatile unsigned int *)PCIMT_CACHECONF)
+#define invspace (*(volatile unsigned int *)PCIMT_INVSPACE)
+
+void __init sni_pcimt_sc_init(void)
+{
+        unsigned int scsiz, sc_size;
+
+        scsiz = cacheconf & 7;
+        if (scsiz == 0) {
+                printk("Second level cache is deactived.\n");
+                return;
+        }
+        if (scsiz >= 6) {
+                printk("Invalid second level cache size configured, "
+                       "deactivating second level cache.\n");
+                cacheconf = 0;
+                return;
+        }
+
+        sc_size = 128 << scsiz;
+        printk("%dkb second level cache detected, deactivating.\n", sc_size);
+        cacheconf = 0;
+}