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_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
  55 static void __init csb637_init_irq(void)
  56 {
  57         at91rm9200_init_interrupts(NULL);
  58 }
  59
  60 static struct at91_eth_data __initdata csb637_eth_data = {
  61         .phy_irq_pin    = AT91_PIN_PC0,
  62         .is_rmii        = 0,
  63 };
  64
  65 static struct at91_usbh_data __initdata csb637_usbh_data = {
  66         .ports          = 2,
  67 };
  68
  69 static 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
  77 static 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
  86 static 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
  92 static 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
 100 static 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
 110 static 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
 119 static 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
 139 MACHINE_START(CSB637, "Cogent CSB637")
 140         /* Maintainer: Bill Gatliff */
 141         .boot_params    = AT91_SDRAM_BASE + 0x100,
 142         .timer          = &at91rm9200_timer,
 143         .map_io         = csb637_map_io,
 144         .init_irq       = csb637_init_irq,
 145         .init_machine   = csb637_board_init,
 146 MACHINE_END