arch/arm/mach-mx3/mach-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 #include <linux/spi/spi.h>
  35 #include <linux/mfd/mc13783.h>
  36
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/time.h>
  40 #include <asm/mach/map.h>
  41
  42 #include <mach/hardware.h>
  43 #include <mach/common.h>
  44 #include <mach/iomux-mx3.h>
  45 #include <mach/board-mx31lilly.h>
  46 #include <mach/spi.h>
  47
  48 #include "devices.h"
  49
  50 /*
  51  * This file contains module-specific initialization routines for LILLY-1131.
  52  * Initialization of peripherals found on the baseboard is implemented in the
  53  * appropriate baseboard support code.
  54  */
  55
  56 /* SMSC ethernet support */
  57
  58 static struct resource smsc91x_resources[] = {
  59         {
  60                 .start  = MX31_CS4_BASE_ADDR,
  61                 .end    = MX31_CS4_BASE_ADDR + 0xffff,
  62                 .flags  = IORESOURCE_MEM,
  63         },
  64         {
  65                 .start  = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
  66                 .end    = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
  67                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
  68         }
  69 };
  70
  71 static struct smsc911x_platform_config smsc911x_config = {
  72         .phy_interface  = PHY_INTERFACE_MODE_MII,
  73         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  74         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  75         .flags          = SMSC911X_USE_32BIT |
  76                           SMSC911X_SAVE_MAC_ADDRESS |
  77                           SMSC911X_FORCE_INTERNAL_PHY,
  78 };
  79
  80 static struct platform_device smsc91x_device = {
  81         .name           = "smsc911x",
  82         .id             = -1,
  83         .num_resources  = ARRAY_SIZE(smsc91x_resources),
  84         .resource       = smsc91x_resources,
  85         .dev            = {
  86                 .platform_data = &smsc911x_config,
  87         }
  88 };
  89
  90 /* NOR flash */
  91 static struct physmap_flash_data nor_flash_data = {
  92         .width  = 2,
  93 };
  94
  95 static struct resource nor_flash_resource = {
  96         .start  = 0xa0000000,
  97         .end    = 0xa1ffffff,
  98         .flags  = IORESOURCE_MEM,
  99 };
 100
 101 static struct platform_device physmap_flash_device = {
 102         .name   = "physmap-flash",
 103         .id     = 0,
 104         .dev    = {
 105                 .platform_data  = &nor_flash_data,
 106         },
 107         .resource = &nor_flash_resource,
 108         .num_resources = 1,
 109 };
 110
 111 static struct platform_device *devices[] __initdata = {
 112         &smsc91x_device,
 113         &physmap_flash_device,
 114 };
 115
 116 /* SPI */
 117
 118 static int spi_internal_chipselect[] = {
 119         MXC_SPI_CS(0),
 120         MXC_SPI_CS(1),
 121         MXC_SPI_CS(2),
 122 };
 123
 124 static struct spi_imx_master spi0_pdata = {
 125         .chipselect = spi_internal_chipselect,
 126         .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
 127 };
 128
 129 static struct spi_imx_master spi1_pdata = {
 130         .chipselect = spi_internal_chipselect,
 131         .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
 132 };
 133
 134 static struct mc13783_platform_data mc13783_pdata __initdata = {
 135         .flags = MC13783_USE_RTC | MC13783_USE_TOUCHSCREEN,
 136 };
 137
 138 static struct spi_board_info mc13783_dev __initdata = {
 139         .modalias       = "mc13783",
 140         .max_speed_hz   = 1000000,
 141         .bus_num        = 1,
 142         .chip_select    = 0,
 143         .platform_data  = &mc13783_pdata,
 144 };
 145
 146 static int mx31lilly_baseboard;
 147 core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
 148
 149 static void __init mx31lilly_board_init(void)
 150 {
 151         switch (mx31lilly_baseboard) {
 152         case MX31LILLY_NOBOARD:
 153                 break;
 154         case MX31LILLY_DB:
 155                 mx31lilly_db_init();
 156                 break;
 157         default:
 158                 printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
 159                         mx31lilly_baseboard);
 160         }
 161
 162         mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
 163
 164         /* SPI */
 165         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK");
 166         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX");
 167         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX");
 168         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY");
 169         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0");
 170         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1");
 171         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2");
 172
 173         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK");
 174         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX");
 175         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX");
 176         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY");
 177         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0");
 178         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1");
 179         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2");
 180
 181         mxc_register_device(&mxc_spi_device0, &spi0_pdata);
 182         mxc_register_device(&mxc_spi_device1, &spi1_pdata);
 183         spi_register_board_info(&mc13783_dev, 1);
 184
 185         platform_add_devices(devices, ARRAY_SIZE(devices));
 186 }
 187
 188 static void __init mx31lilly_timer_init(void)
 189 {
 190         mx31_clocks_init(26000000);
 191 }
 192
 193 static struct sys_timer mx31lilly_timer = {
 194         .init   = mx31lilly_timer_init,
 195 };
 196
 197 MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
 198         .phys_io        = MX31_AIPS1_BASE_ADDR,
 199         .io_pg_offst    = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
 200         .boot_params    = MX3x_PHYS_OFFSET + 0x100,
 201         .map_io         = mx31_map_io,
 202         .init_irq       = mx31_init_irq,
 203         .init_machine   = mx31lilly_board_init,
 204         .timer          = &mx31lilly_timer,
 205 MACHINE_END
 206