2 * OMAP4 specific common source file.
4 * Copyright (C) 2010 Texas Instruments, Inc.
6 * Santosh Shilimkar <santosh.shilimkar@ti.com>
9 * This program is free software,you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/kernel.h>
15 #include <linux/init.h>
17 #include <linux/platform_device.h>
19 #include <asm/hardware/gic.h>
20 #include <asm/hardware/cache-l2x0.h>
22 #include <mach/hardware.h>
23 #include <mach/omap4-common.h>
25 #ifdef CONFIG_CACHE_L2X0
26 void __iomem *l2cache_base;
29 void __iomem *gic_cpu_base_addr;
30 void __iomem *gic_dist_base_addr;
33 void __init gic_init_irq(void)
35 /* Static mapping, never released */
36 gic_dist_base_addr = ioremap(OMAP44XX_GIC_DIST_BASE, SZ_4K);
37 BUG_ON(!gic_dist_base_addr);
38 gic_dist_init(0, gic_dist_base_addr, 29);
40 /* Static mapping, never released */
41 gic_cpu_base_addr = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512);
42 BUG_ON(!gic_cpu_base_addr);
43 gic_cpu_init(0, gic_cpu_base_addr);
46 #ifdef CONFIG_CACHE_L2X0
47 static int __init omap_l2_cache_init(void)
50 * To avoid code running on other OMAPs in
53 if (!cpu_is_omap44xx())
56 /* Static mapping, never released */
57 l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K);
58 BUG_ON(!l2cache_base);
60 /* Enable PL310 L2 Cache controller */
61 omap_smc1(0x102, 0x1);
64 * 32KB way size, 16-way associativity,
67 l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff);
71 early_initcall(omap_l2_cache_init);