LXR linux/arch/arm/mach-mx3/mx31lilly.c

   1/*
   2 *  LILLY-1131 module support
   3 *
   4 *    Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
   5 *
   6 *  based on code for other MX31 boards,
   7 *
   8 *    Copyright 2005-2007 Freescale Semiconductor
   9 *    Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
  10 *    Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
  11 *
  12 * This program is free software; you can redistribute it and/or modify
  13 * it under the terms of the GNU General Public License as published by
  14 * the Free Software Foundation; either version 2 of the License, or
  15 * (at your option) any later version.
  16 *
  17 * This program is distributed in the hope that it will be useful,
  18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 * GNU General Public License for more details.
  21 *
  22 * You should have received a copy of the GNU General Public License
  23 * along with this program; if not, write to the Free Software
  24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  25 */
  26
  27#include <linux/types.h>
  28#include <linux/init.h>
  29#include <linux/clk.h>
  30#include <linux/platform_device.h>
  31#include <linux/interrupt.h>
  32#include <linux/smsc911x.h>
  33#include <linux/mtd/physmap.h>
  34
  35#include <asm/mach-types.h>
  36#include <asm/mach/arch.h>
  37#include <asm/mach/time.h>
  38#include <asm/mach/map.h>
  39
  40#include <mach/hardware.h>
  41#include <mach/common.h>
  42#include <mach/iomux-mx3.h>
  43#include <mach/board-mx31lilly.h>
  44
  45#include "devices.h"
  46
  47/*
  48 * This file contains module-specific initialization routines for LILLY-1131.
  49 * Initialization of peripherals found on the baseboard is implemented in the
  50 * appropriate baseboard support code.
  51 */
  52
  53/* SMSC ethernet support */
  54
  55static struct resource smsc91x_resources[] = {
  56        {
  57                .start  = CS4_BASE_ADDR,
  58                .end    = CS4_BASE_ADDR + 0xffff,
  59                .flags  = IORESOURCE_MEM,
  60        },
  61        {
  62                .start  = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
  63                .end    = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
  64                .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
  65        }
  66};
  67
  68static struct smsc911x_platform_config smsc911x_config = {
  69        .phy_interface  = PHY_INTERFACE_MODE_MII,
  70        .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  71        .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  72        .flags          = SMSC911X_USE_32BIT |
  73                          SMSC911X_SAVE_MAC_ADDRESS |
  74                          SMSC911X_FORCE_INTERNAL_PHY,
  75};
  76
  77static struct platform_device smsc91x_device = {
  78        .name           = "smsc911x",
  79        .id             = -1,
  80        .num_resources  = ARRAY_SIZE(smsc91x_resources),
  81        .resource       = smsc91x_resources,
  82        .dev            = {
  83                .platform_data = &smsc911x_config,
  84        }
  85};
  86
  87/* NOR flash */
  88static struct physmap_flash_data nor_flash_data = {
  89        .width  = 2,
  90};
  91
  92static struct resource nor_flash_resource = {
  93        .start  = 0xa0000000,
  94        .end    = 0xa1ffffff,
  95        .flags  = IORESOURCE_MEM,
  96};
  97
  98static struct platform_device physmap_flash_device = {
  99        .name   = "physmap-flash",
 100        .id     = 0,
 101        .dev    = {
 102                .platform_data  = &nor_flash_data,
 103        },
 104        .resource = &nor_flash_resource,
 105        .num_resources = 1,
 106};
 107
 108static struct platform_device *devices[] __initdata = {
 109        &smsc91x_device,
 110        &physmap_flash_device,
 111        &mxc_i2c_device1,
 112};
 113
 114static int mx31lilly_baseboard;
 115core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
 116
 117static void __init mx31lilly_board_init(void)
 118{
 119        switch (mx31lilly_baseboard) {
 120        case MX31LILLY_NOBOARD:
 121                break;
 122        case MX31LILLY_DB:
 123                mx31lilly_db_init();
 124                break;
 125        default:
 126                printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
 127                        mx31lilly_baseboard);
 128        }
 129
 130        mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
 131        mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__SCL, "I2C SCL");
 132        mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__SDA, "I2C SDA");
 133
 134        platform_add_devices(devices, ARRAY_SIZE(devices));
 135}
 136
 137static void __init mx31lilly_timer_init(void)
 138{
 139        mx31_clocks_init(26000000);
 140}
 141
 142static struct sys_timer mx31lilly_timer = {
 143        .init   = mx31lilly_timer_init,
 144};
 145
 146MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
 147        .phys_io        = AIPS1_BASE_ADDR,
 148        .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 149        .boot_params    = PHYS_OFFSET + 0x100,
 150        .map_io         = mx31_map_io,
 151        .init_irq       = mx31_init_irq,
 152        .init_machine   = mx31lilly_board_init,
 153        .timer          = &mx31lilly_timer,
 154MACHINE_END
 155
 156