init android origin source code

1 files changed, 31 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/arm/mach-prima2/l2x0.c b/ANDROID_3.4.5/arch/arm/mach-prima2/l2x0.c
new file mode 100644
index 00000000..c9983779
--- /dev/null
+++ b/ANDROID_3.4.5/arch/arm/mach-prima2/l2x0.c
@@ -0,0 +1,31 @@
+/*
+ * l2 cache initialization for CSR SiRFprimaII
+ *
+ * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <asm/hardware/cache-l2x0.h>
+
+static struct of_device_id prima2_l2x0_ids[]  = {
+	{ .compatible = "sirf,prima2-pl310-cache" },
+	{},
+};
+
+static int __init sirfsoc_l2x0_init(void)
+{
+	struct device_node *np;
+
+	np = of_find_matching_node(NULL, prima2_l2x0_ids);
+	if (np) {
+		pr_info("Initializing prima2 L2 cache\n");
+		return l2x0_of_init(0x40000, 0);
+	}
+
+	return 0;
+}
+early_initcall(sirfsoc_l2x0_init);