1 files changed, 72 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
new file mode 100644
index 000000000000..13dc9794dcc2
--- /dev/null
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -0,0 +1,72 @@
+/*
+ * OMAP4 specific common source file.
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Author:
+ *      Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ *
+ * This program is free software,you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware/gic.h>
+#include <asm/hardware/cache-l2x0.h>
+
+#include <mach/hardware.h>
+#include <mach/omap4-common.h>
+
+#ifdef CONFIG_CACHE_L2X0
+void __iomem *l2cache_base;
+#endif
+
+void __iomem *gic_cpu_base_addr;
+void __iomem *gic_dist_base_addr;
+
+
+void __init gic_init_irq(void)
+{
+        /* Static mapping, never released */
+        gic_dist_base_addr = ioremap(OMAP44XX_GIC_DIST_BASE, SZ_4K);
+        BUG_ON(!gic_dist_base_addr);
+        gic_dist_init(0, gic_dist_base_addr, 29);
+
+        /* Static mapping, never released */
+        gic_cpu_base_addr = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512);
+        BUG_ON(!gic_cpu_base_addr);
+        gic_cpu_init(0, gic_cpu_base_addr);
+}
+
+#ifdef CONFIG_CACHE_L2X0
+static int __init omap_l2_cache_init(void)
+{
+        /*
+         * To avoid code running on other OMAPs in
+         * multi-omap builds
+         */
+        if (!cpu_is_omap44xx())
+                return -ENODEV;
+
+        /* Static mapping, never released */
+        l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K);
+        BUG_ON(!l2cache_base);
+
+        /* Enable PL310 L2 Cache controller */
+        omap_smc1(0x102, 0x1);
+
+        /*
+         * 32KB way size, 16-way associativity,
+         * parity disabled
+         */
+        l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff);
+
+        return 0;
+}
+early_initcall(omap_l2_cache_init);
+#endif