LXR linux/arch/arm/mach-at91/board-eco920.c

   1/*
   2 * This program is free software; you can redistribute it and/or modify
   3 * it under the terms of the GNU General Public License as published by
   4 * the Free Software Foundation; either version 2 of the License, or
   5 * (at your option) any later version.
   6 *
   7 * This program is distributed in the hope that it will be useful,
   8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 * GNU General Public License for more details.
  11 *
  12 * You should have received a copy of the GNU General Public License
  13 * along with this program; if not, write to the Free Software
  14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  15 */
  16
  17#include <linux/init.h>
  18#include <linux/platform_device.h>
  19#include <linux/mtd/physmap.h>
  20#include <linux/gpio.h>
  21
  22#include <asm/mach-types.h>
  23
  24#include <asm/mach/arch.h>
  25#include <asm/mach/map.h>
  26
  27#include <mach/board.h>
  28#include <mach/at91rm9200_mc.h>
  29#include "generic.h"
  30
  31static void __init eco920_map_io(void)
  32{
  33        at91rm9200_initialize(18432000, AT91RM9200_PQFP);
  34
  35        /* Setup the LEDs */
  36        at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
  37
  38        /* DBGU on ttyS0. (Rx & Tx only */
  39        at91_register_uart(0, 0, 0);
  40
  41        /* set serial console to ttyS0 (ie, DBGU) */
  42        at91_set_serial_console(0);
  43}
  44
  45static void __init eco920_init_irq(void)
  46{
  47        at91rm9200_init_interrupts(NULL);
  48}
  49
  50static struct at91_eth_data __initdata eco920_eth_data = {
  51        .phy_irq_pin    = AT91_PIN_PC2,
  52        .is_rmii        = 1,
  53};
  54
  55static struct at91_usbh_data __initdata eco920_usbh_data = {
  56        .ports          = 1,
  57};
  58
  59static struct at91_udc_data __initdata eco920_udc_data = {
  60        .vbus_pin       = AT91_PIN_PB12,
  61        .pullup_pin     = AT91_PIN_PB13,
  62};
  63
  64static struct at91_mmc_data __initdata eco920_mmc_data = {
  65        .slot_b         = 0,
  66        .wire4          = 0,
  67};
  68
  69static struct physmap_flash_data eco920_flash_data = {
  70        .width  = 2,
  71};
  72
  73static struct resource eco920_flash_resource = {
  74        .start          = 0x11000000,
  75        .end            = 0x11ffffff,
  76        .flags          = IORESOURCE_MEM,
  77};
  78
  79static struct platform_device eco920_flash = {
  80        .name           = "physmap-flash",
  81        .id             = 0,
  82        .dev            = {
  83                .platform_data  = &eco920_flash_data,
  84        },
  85        .resource       = &eco920_flash_resource,
  86        .num_resources  = 1,
  87};
  88
  89static struct resource at91_beeper_resources[] = {
  90        [0] = {
  91                .start          = AT91RM9200_BASE_TC3,
  92                .end            = AT91RM9200_BASE_TC3 + 0x39,
  93                .flags          = IORESOURCE_MEM,
  94        },
  95};
  96
  97static struct platform_device at91_beeper = {
  98        .name           = "at91_beeper",
  99        .id             = 0,
 100        .resource       = at91_beeper_resources,
 101        .num_resources  = ARRAY_SIZE(at91_beeper_resources),
 102};
 103
 104static struct spi_board_info eco920_spi_devices[] = {
 105        {       /* CAN controller */
 106                .modalias       = "tlv5638",
 107                .chip_select    = 3,
 108                .max_speed_hz   = 20 * 1000 * 1000,
 109                .mode           = SPI_CPHA,
 110        },
 111};
 112
 113static void __init eco920_board_init(void)
 114{
 115        at91_add_device_serial();
 116        at91_add_device_eth(&eco920_eth_data);
 117        at91_add_device_usbh(&eco920_usbh_data);
 118        at91_add_device_udc(&eco920_udc_data);
 119
 120        at91_add_device_mmc(0, &eco920_mmc_data);
 121        platform_device_register(&eco920_flash);
 122
 123        at91_sys_write(AT91_SMC_CSR(7), AT91_SMC_RWHOLD_(1)
 124                                | AT91_SMC_RWSETUP_(1)
 125                                | AT91_SMC_DBW_8
 126                                | AT91_SMC_WSEN
 127                                | AT91_SMC_NWS_(15));
 128
 129        at91_set_A_periph(AT91_PIN_PC6, 1);
 130
 131        at91_set_gpio_input(AT91_PIN_PA23, 0);
 132        at91_set_deglitch(AT91_PIN_PA23, 1);
 133
 134/* Initialization of the Static Memory Controller for Chip Select 3 */
 135        at91_sys_write(AT91_SMC_CSR(3),
 136                AT91_SMC_DBW_16  |      /* 16 bit */
 137                AT91_SMC_WSEN    |
 138                AT91_SMC_NWS_(5) |      /* wait states */
 139                AT91_SMC_TDF_(1)        /* float time */
 140        );
 141
 142        at91_clock_associate("tc3_clk", &at91_beeper.dev, "at91_beeper");
 143        at91_set_B_periph(AT91_PIN_PB6, 0);
 144        platform_device_register(&at91_beeper);
 145
 146        at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
 147}
 148
 149MACHINE_START(ECO920, "eco920")
 150        /* Maintainer: Sascha Hauer */
 151        .boot_params    = AT91_SDRAM_BASE + 0x100,
 152        .timer          = &at91rm9200_timer,
 153        .map_io         = eco920_map_io,
 154        .init_irq       = eco920_init_irq,
 155        .init_machine   = eco920_board_init,
 156MACHINE_END
 157