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
  55 static 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
  68 static 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
  77 static 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 */
  88 static struct physmap_flash_data nor_flash_data = {
  89         .width  = 2,
  90 };
  91
  92 static struct resource nor_flash_resource = {
  93         .start  = 0xa0000000,
  94         .end    = 0xa1ffffff,
  95         .flags  = IORESOURCE_MEM,
  96 };
  97
  98 static 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
 108 static struct platform_device *devices[] __initdata = {
 109         &smsc91x_device,
 110         &physmap_flash_device,
 111         &mxc_i2c_device1,
 112 };
 113
 114 static int mx31lilly_baseboard;
 115 core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
 116
 117 static 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
 137 static void __init mx31lilly_timer_init(void)
 138 {
 139         mx31_clocks_init(26000000);
 140 }
 141
 142 static struct sys_timer mx31lilly_timer = {
 143         .init   = mx31lilly_timer_init,
 144 };
 145
 146 MACHINE_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       = mxc_init_irq,
 152         .init_machine   = mx31lilly_board_init,
 153         .timer          = &mx31lilly_timer,
 154 MACHINE_END
 155