1/* 2 * author: Sascha Hauer 3 * Created: april 20th, 2004 4 * Copyright: Synertronixx GmbH 5 * 6 * Common code for i.MX1 machines 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#include <linux/kernel.h> 19#include <linux/init.h> 20#include <linux/io.h> 21#include <linux/pinctrl/machine.h> 22 23#include <asm/mach/map.h> 24 25#include "common.h" 26#include "devices/devices-common.h" 27#include "hardware.h" 28#include "iomux-v1.h" 29 30static struct map_desc imx_io_desc[] __initdata = { 31 imx_map_entry(MX1, IO, MT_DEVICE), 32}; 33 34void __init mx1_map_io(void) 35{ 36 iotable_init(imx_io_desc, ARRAY_SIZE(imx_io_desc)); 37} 38 39void __init imx1_init_early(void) 40{ 41 mxc_set_cpu_type(MXC_CPU_MX1); 42 imx_iomuxv1_init(MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR), 43 MX1_NUM_GPIO_PORT); 44} 45 46void __init mx1_init_irq(void) 47{ 48 mxc_init_irq(MX1_IO_ADDRESS(MX1_AVIC_BASE_ADDR)); 49} 50 51void __init imx1_soc_init(void) 52{ 53 mxc_arch_reset_init(MX1_IO_ADDRESS(MX1_WDT_BASE_ADDR)); 54 mxc_device_init(); 55 56 mxc_register_gpio("imx1-gpio", 0, MX1_GPIO1_BASE_ADDR, SZ_256, 57 MX1_GPIO_INT_PORTA, 0); 58 mxc_register_gpio("imx1-gpio", 1, MX1_GPIO2_BASE_ADDR, SZ_256, 59 MX1_GPIO_INT_PORTB, 0); 60 mxc_register_gpio("imx1-gpio", 2, MX1_GPIO3_BASE_ADDR, SZ_256, 61 MX1_GPIO_INT_PORTC, 0); 62 mxc_register_gpio("imx1-gpio", 3, MX1_GPIO4_BASE_ADDR, SZ_256, 63 MX1_GPIO_INT_PORTD, 0); 64 imx_add_imx_dma("imx1-dma", MX1_DMA_BASE_ADDR, 65 MX1_DMA_INT, MX1_DMA_ERR); 66 pinctrl_provide_dummies(); 67} 68