From a81b46c6ec4189d5bab8c0dff0057f19f83effd0 Mon Sep 17 00:00:00 2001
From: Jesper Nilsson <jespern@stork.se.axis.com>
Date: Thu, 29 Nov 2007 17:24:10 +0100
Subject: [PATCH] --- yaml --- r: 84912 b: refs/heads/master c:
 f74c31d50c3c568abf315f9b8b206a4ec7b9c9f6 h: refs/heads/master v: v3

---
 [refs]                                |  2 +-
 trunk/arch/cris/arch-v32/mm/l2cache.c | 29 +++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 trunk/arch/cris/arch-v32/mm/l2cache.c

diff --git a/[refs] b/[refs]
index 9f32cee7511c..0442b7cff7f6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 58d083192825c5fbd46fa0b1ff4d1ecc9118b692
+refs/heads/master: f74c31d50c3c568abf315f9b8b206a4ec7b9c9f6
diff --git a/trunk/arch/cris/arch-v32/mm/l2cache.c b/trunk/arch/cris/arch-v32/mm/l2cache.c
new file mode 100644
index 000000000000..332ff10dcc6b
--- /dev/null
+++ b/trunk/arch/cris/arch-v32/mm/l2cache.c
@@ -0,0 +1,29 @@
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <memmap.h>
+#include <hwregs/reg_map.h>
+#include <hwregs/reg_rdwr.h>
+#include <hwregs/l2cache_defs.h>
+#include <asm/io.h>
+
+#define L2CACHE_SIZE 64
+
+int __init l2cache_init(void)
+{
+	reg_l2cache_rw_ctrl ctrl = {0};
+	reg_l2cache_rw_cfg cfg = {.en = regk_l2cache_yes};
+
+	ctrl.csize = L2CACHE_SIZE;
+	ctrl.cbase = L2CACHE_SIZE / 4 + (L2CACHE_SIZE % 4 ? 1 : 0);
+	REG_WR(l2cache, regi_l2cache, rw_ctrl, ctrl);
+
+	/* Flush the tag memory */
+	memset((void *)(MEM_INTMEM_START | MEM_NON_CACHEABLE), 0, 2*1024);
+
+	/* Enable the cache */
+	REG_WR(l2cache, regi_l2cache, rw_cfg, cfg);
+
+	return 0;
+}
+