| /* |
| * 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 |
