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
  43 static void __init csb637_init_early(void)
  44 {
  45         /* Initialize processor: 3.6864 MHz crystal */
  46         at91_initialize(3686400);
  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
  55 static struct at91_eth_data __initdata csb637_eth_data = {
  56         .phy_irq_pin    = AT91_PIN_PC0,
  57         .is_rmii        = 0,
  58 };
  59
  60 static struct at91_usbh_data __initdata csb637_usbh_data = {
  61         .ports          = 2,
  62 };
  63
  64 static struct at91_udc_data __initdata csb637_udc_data = {
  65         .vbus_pin     = AT91_PIN_PB28,
  66         .pullup_pin   = AT91_PIN_PB1,
  67 };
  68
  69 #define CSB_FLASH_BASE  AT91_CHIPSELECT_0
  70 #define CSB_FLASH_SIZE  SZ_16M
  71
  72 static struct mtd_partition csb_flash_partitions[] = {
  73         {
  74                 .name           = "uMON flash",
  75                 .offset         = 0,
  76                 .size           = MTDPART_SIZ_FULL,
  77                 .mask_flags     = MTD_WRITEABLE,        /* read only */
  78         }
  79 };
  80
  81 static struct physmap_flash_data csb_flash_data = {
  82         .width          = 2,
  83         .parts          = csb_flash_partitions,
  84         .nr_parts       = ARRAY_SIZE(csb_flash_partitions),
  85 };
  86
  87 static struct resource csb_flash_resources[] = {
  88         {
  89                 .start  = CSB_FLASH_BASE,
  90                 .end    = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
  91                 .flags  = IORESOURCE_MEM,
  92         }
  93 };
  94
  95 static struct platform_device csb_flash = {
  96         .name           = "physmap-flash",
  97         .id             = 0,
  98         .dev            = {
  99                                 .platform_data = &csb_flash_data,
 100                         },
 101         .resource       = csb_flash_resources,
 102         .num_resources  = ARRAY_SIZE(csb_flash_resources),
 103 };
 104
 105 static struct gpio_led csb_leds[] = {
 106         {       /* "d1", red */
 107                 .name                   = "d1",
 108                 .gpio                   = AT91_PIN_PB2,
 109                 .active_low             = 1,
 110                 .default_trigger        = "heartbeat",
 111         },
 112 };
 113
 114 static void __init csb637_board_init(void)
 115 {
 116         /* LED(s) */
 117         at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
 118         /* Serial */
 119         at91_add_device_serial();
 120         /* Ethernet */
 121         at91_add_device_eth(&csb637_eth_data);
 122         /* USB Host */
 123         at91_add_device_usbh(&csb637_usbh_data);
 124         /* USB Device */
 125         at91_add_device_udc(&csb637_udc_data);
 126         /* I2C */
 127         at91_add_device_i2c(NULL, 0);
 128         /* SPI */
 129         at91_add_device_spi(NULL, 0);
 130         /* NOR flash */
 131         platform_device_register(&csb_flash);
 132 }
 133
 134 MACHINE_START(CSB637, "Cogent CSB637")
 135         /* Maintainer: Bill Gatliff */
 136         .timer          = &at91rm9200_timer,
 137         .map_io         = at91_map_io,
 138         .init_early     = csb637_init_early,
 139         .init_irq       = at91_init_irq_default,
 140         .init_machine   = csb637_board_init,
 141 MACHINE_END