LXR linux/arch/arm/mach-at91/board-csb637.c

   1/*
   2 * linux/arch/arm/mach-at91/board-csb637.c
   3 *
   4 *  Copyright (C) 2005 SAN People
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21#include <linux/types.h>
  22#include <linux/init.h>
  23#include <linux/mm.h>
  24#include <linux/module.h>
  25#include <linux/platform_device.h>
  26#include <linux/mtd/physmap.h>
  27
  28#include <asm/setup.h>
  29#include <asm/mach-types.h>
  30#include <asm/irq.h>
  31
  32#include <asm/mach/arch.h>
  33#include <asm/mach/map.h>
  34#include <asm/mach/irq.h>
  35
  36#include <mach/hardware.h>
  37#include <mach/board.h>
  38#include <mach/gpio.h>
  39
  40#include "generic.h"
  41
  42
  43static void __init csb637_map_io(void)
  44{
  45        /* Initialize processor: 3.6864 MHz crystal */
  46        at91rm9200_initialize(3686400, AT91RM9200_BGA);
  47
  48        /* DBGU on ttyS0. (Rx & Tx only) */
  49        at91_register_uart(0, 0, 0);
  50
  51        /* make console=ttyS0 (ie, DBGU) the default */
  52        at91_set_serial_console(0);
  53}
  54
  55static void __init csb637_init_irq(void)
  56{
  57        at91rm9200_init_interrupts(NULL);
  58}
  59
  60static struct at91_eth_data __initdata csb637_eth_data = {
  61        .phy_irq_pin    = AT91_PIN_PC0,
  62        .is_rmii        = 0,
  63};
  64
  65static struct at91_usbh_data __initdata csb637_usbh_data = {
  66        .ports          = 2,
  67};
  68
  69static struct at91_udc_data __initdata csb637_udc_data = {
  70        .vbus_pin     = AT91_PIN_PB28,
  71        .pullup_pin   = AT91_PIN_PB1,
  72};
  73
  74#define CSB_FLASH_BASE  AT91_CHIPSELECT_0
  75#define CSB_FLASH_SIZE  SZ_16M
  76
  77static struct mtd_partition csb_flash_partitions[] = {
  78        {
  79                .name           = "uMON flash",
  80                .offset         = 0,
  81                .size           = MTDPART_SIZ_FULL,
  82                .mask_flags     = MTD_WRITEABLE,        /* read only */
  83        }
  84};
  85
  86static struct physmap_flash_data csb_flash_data = {
  87        .width          = 2,
  88        .parts          = csb_flash_partitions,
  89        .nr_parts       = ARRAY_SIZE(csb_flash_partitions),
  90};
  91
  92static struct resource csb_flash_resources[] = {
  93        {
  94                .start  = CSB_FLASH_BASE,
  95                .end    = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
  96                .flags  = IORESOURCE_MEM,
  97        }
  98};
  99
 100static struct platform_device csb_flash = {
 101        .name           = "physmap-flash",
 102        .id             = 0,
 103        .dev            = {
 104                                .platform_data = &csb_flash_data,
 105                        },
 106        .resource       = csb_flash_resources,
 107        .num_resources  = ARRAY_SIZE(csb_flash_resources),
 108};
 109
 110static struct gpio_led csb_leds[] = {
 111        {       /* "d1", red */
 112                .name                   = "d1",
 113                .gpio                   = AT91_PIN_PB2,
 114                .active_low             = 1,
 115                .default_trigger        = "heartbeat",
 116        },
 117};
 118
 119static void __init csb637_board_init(void)
 120{
 121        /* LED(s) */
 122        at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
 123        /* Serial */
 124        at91_add_device_serial();
 125        /* Ethernet */
 126        at91_add_device_eth(&csb637_eth_data);
 127        /* USB Host */
 128        at91_add_device_usbh(&csb637_usbh_data);
 129        /* USB Device */
 130        at91_add_device_udc(&csb637_udc_data);
 131        /* I2C */
 132        at91_add_device_i2c(NULL, 0);
 133        /* SPI */
 134        at91_add_device_spi(NULL, 0);
 135        /* NOR flash */
 136        platform_device_register(&csb_flash);
 137}
 138
 139MACHINE_START(CSB637, "Cogent CSB637")
 140        /* Maintainer: Bill Gatliff */
 141        .phys_io        = AT91_BASE_SYS,
 142        .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 143        .boot_params    = AT91_SDRAM_BASE + 0x100,
 144        .timer          = &at91rm9200_timer,
 145        .map_io         = csb637_map_io,
 146        .init_irq       = csb637_init_irq,
 147        .init_machine   = csb637_board_init,
 148MACHINE_END
 149