arch/arm/mach-imx/mm-imx1.c

   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
  22 #include <asm/mach/map.h>
  23
  24 #include <mach/common.h>
  25 #include <mach/hardware.h>
  26 #include <mach/irqs.h>
  27 #include <mach/iomux-v1.h>
  28
  29 static struct map_desc imx_io_desc[] __initdata = {
  30         imx_map_entry(MX1, IO, MT_DEVICE),
  31 };
  32
  33 void __init mx1_map_io(void)
  34 {
  35         iotable_init(imx_io_desc, ARRAY_SIZE(imx_io_desc));
  36 }
  37
  38 void __init imx1_init_early(void)
  39 {
  40         mxc_set_cpu_type(MXC_CPU_MX1);
  41         mxc_arch_reset_init(MX1_IO_ADDRESS(MX1_WDT_BASE_ADDR));
  42         imx_iomuxv1_init(MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR),
  43                         MX1_NUM_GPIO_PORT);
  44 }
  45
  46 void __init mx1_init_irq(void)
  47 {
  48         mxc_init_irq(MX1_IO_ADDRESS(MX1_AVIC_BASE_ADDR));
  49 }
  50
  51 void __init imx1_soc_init(void)
  52 {
  53         mxc_register_gpio(0, MX1_GPIO1_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTA, 0);
  54         mxc_register_gpio(1, MX1_GPIO2_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTB, 0);
  55         mxc_register_gpio(2, MX1_GPIO3_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTC, 0);
  56         mxc_register_gpio(3, MX1_GPIO4_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTD, 0);
  57 }