arch/arm/mach-imx/mm-imx35.c

   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 #include <asm/hardware/cache-l2x0.h>
  26
  27 #include <mach/common.h>
  28 #include <mach/hardware.h>
  29 #include <mach/iomux-v3.h>
  30 #include <mach/irqs.h>
  31
  32 static struct map_desc mx35_io_desc[] __initdata = {
  33         imx_map_entry(MX35, X_MEMC, MT_DEVICE),
  34         imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED),
  35         imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED),
  36         imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED),
  37         imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED),
  38 };
  39
  40 void __init mx35_map_io(void)
  41 {
  42         iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc));
  43 }
  44
  45 void __init imx35_init_early(void)
  46 {
  47         mxc_set_cpu_type(MXC_CPU_MX35);
  48         mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
  49         mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
  50 }
  51
  52 void __init mx35_init_irq(void)
  53 {
  54         mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR));
  55 }
  56
  57 void __init imx35_soc_init(void)
  58 {
  59         /* i.mx35 has the i.mx31 type gpio */
  60         mxc_register_gpio("imx31-gpio", 0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0);
  61         mxc_register_gpio("imx31-gpio", 1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0);
  62         mxc_register_gpio("imx31-gpio", 2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0);
  63 }