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/hardware.h>
  29 #include <asm/setup.h>
  30 #include <asm/mach-types.h>
  31 #include <asm/irq.h>
  32
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35 #include <asm/mach/irq.h>
  36
  37 #include <asm/arch/board.h>
  38 #include <asm/arch/gpio.h>
  39
  40 #include "generic.h"
  41
  42
  43 /*
  44  * Serial port configuration.
  45  *    0 .. 3 = USART0 .. USART3
  46  *    4      = DBGU
  47  */
  48 static struct at91_uart_config __initdata csb637_uart_config = {
  49         .console_tty    = 0,                            /* ttyS0 */
  50         .nr_tty         = 2,
  51         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
  52 };
  53
  54 static void __init csb637_map_io(void)
  55 {
  56         /* Initialize processor: 3.6864 MHz crystal */
  57         at91rm9200_initialize(3686400, AT91RM9200_BGA);
  58
  59         /* Setup the LEDs */
  60         at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
  61
  62         /* Setup the serial ports and console */
  63         at91_init_serial(&csb637_uart_config);
  64 }
  65
  66 static void __init csb637_init_irq(void)
  67 {
  68         at91rm9200_init_interrupts(NULL);
  69 }
  70
  71 static struct at91_eth_data __initdata csb637_eth_data = {
  72         .phy_irq_pin    = AT91_PIN_PC0,
  73         .is_rmii        = 0,
  74 };
  75
  76 static struct at91_usbh_data __initdata csb637_usbh_data = {
  77         .ports          = 2,
  78 };
  79
  80 static struct at91_udc_data __initdata csb637_udc_data = {
  81         .vbus_pin     = AT91_PIN_PB28,
  82         .pullup_pin   = AT91_PIN_PB1,
  83 };
  84
  85 #define CSB_FLASH_BASE  AT91_CHIPSELECT_0
  86 #define CSB_FLASH_SIZE  0x1000000
  87
  88 static struct mtd_partition csb_flash_partitions[] = {
  89         {
  90                 .name           = "uMON flash",
  91                 .offset         = 0,
  92                 .size           = MTDPART_SIZ_FULL,
  93                 .mask_flags     = MTD_WRITEABLE,        /* read only */
  94         }
  95 };
  96
  97 static struct physmap_flash_data csb_flash_data = {
  98         .width          = 2,
  99         .parts          = csb_flash_partitions,
 100         .nr_parts       = ARRAY_SIZE(csb_flash_partitions),
 101 };
 102
 103 static struct resource csb_flash_resources[] = {
 104         {
 105                 .start  = CSB_FLASH_BASE,
 106                 .end    = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
 107                 .flags  = IORESOURCE_MEM,
 108         }
 109 };
 110
 111 static struct platform_device csb_flash = {
 112         .name           = "physmap-flash",
 113         .id             = 0,
 114         .dev            = {
 115                                 .platform_data = &csb_flash_data,
 116                         },
 117         .resource       = csb_flash_resources,
 118         .num_resources  = ARRAY_SIZE(csb_flash_resources),
 119 };
 120
 121 static void __init csb637_board_init(void)
 122 {
 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();
 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         .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,
 148 MACHINE_END