1/* 2 * Copyright (C) 1999,2000 Arm Limited 3 * Copyright (C) 2000 Deep Blue Solutions Ltd 4 * Copyright (C) 2002 Shane Nay (shane@minirl.com) 5 * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. 6 * - add MX31 specific definitions 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 */ 18 19#include <linux/mm.h> 20#include <linux/init.h> 21#include <linux/err.h> 22 23#include <asm/pgtable.h> 24#include <asm/mach/map.h> 25 26#include <mach/common.h> 27#include <mach/hardware.h> 28#include <mach/mx25.h> 29#include <mach/iomux-v3.h> 30 31/* 32 * This table defines static virtual address mappings for I/O regions. 33 * These are the mappings common across all MX3 boards. 34 */ 35static struct map_desc mxc_io_desc[] __initdata = { 36 { 37 .virtual = MX25_AVIC_BASE_ADDR_VIRT, 38 .pfn = __phys_to_pfn(MX25_AVIC_BASE_ADDR), 39 .length = MX25_AVIC_SIZE, 40 .type = MT_DEVICE_NONSHARED 41 }, { 42 .virtual = MX25_AIPS1_BASE_ADDR_VIRT, 43 .pfn = __phys_to_pfn(MX25_AIPS1_BASE_ADDR), 44 .length = MX25_AIPS1_SIZE, 45 .type = MT_DEVICE_NONSHARED 46 }, { 47 .virtual = MX25_AIPS2_BASE_ADDR_VIRT, 48 .pfn = __phys_to_pfn(MX25_AIPS2_BASE_ADDR), 49 .length = MX25_AIPS2_SIZE, 50 .type = MT_DEVICE_NONSHARED 51 }, 52}; 53 54/* 55 * This function initializes the memory map. It is called during the 56 * system startup to create static physical to virtual memory mappings 57 * for the IO modules. 58 */ 59void __init mx25_map_io(void) 60{ 61 mxc_set_cpu_type(MXC_CPU_MX25); 62 mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR)); 63 mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR)); 64 65 iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); 66} 67 68int imx25_register_gpios(void); 69 70void __init mx25_init_irq(void) 71{ 72 mxc_init_irq((void __iomem *)MX25_AVIC_BASE_ADDR_VIRT); 73 imx25_register_gpios(); 74} 75