arch/arm/mach-at91/board-csb337.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-csb337.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/spi/spi.h>
  27 #include <linux/mtd/physmap.h>
  28
  29 #include <asm/hardware.h>
  30 #include <asm/setup.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/irq.h>
  33
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/map.h>
  36 #include <asm/mach/irq.h>
  37
  38 #include <asm/arch/board.h>
  39 #include <asm/arch/gpio.h>
  40
  41 #include "generic.h"
  42
  43
  44 /*
  45  * Serial port configuration.
  46  *    0 .. 3 = USART0 .. USART3
  47  *    4      = DBGU
  48  */
  49 static struct at91_uart_config __initdata csb337_uart_config = {
  50         .console_tty    = 0,                            /* ttyS0 */
  51         .nr_tty         = 2,
  52         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
  53 };
  54
  55 static void __init csb337_map_io(void)
  56 {
  57         /* Initialize processor: 3.6864 MHz crystal */
  58         at91rm9200_initialize(3686400, AT91RM9200_BGA);
  59
  60         /* Setup the LEDs */
  61         at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
  62
  63         /* Setup the serial ports and console */
  64         at91_init_serial(&csb337_uart_config);
  65 }
  66
  67 static void __init csb337_init_irq(void)
  68 {
  69         at91rm9200_init_interrupts(NULL);
  70 }
  71
  72 static struct at91_eth_data __initdata csb337_eth_data = {
  73         .phy_irq_pin    = AT91_PIN_PC2,
  74         .is_rmii        = 0,
  75 };
  76
  77 static struct at91_usbh_data __initdata csb337_usbh_data = {
  78         .ports          = 2,
  79 };
  80
  81 static struct at91_udc_data __initdata csb337_udc_data = {
  82         // this has no VBUS sensing pin
  83         .pullup_pin     = AT91_PIN_PA24,
  84 };
  85
  86 static struct at91_cf_data __initdata csb337_cf_data = {
  87         /*
  88          * connector P4 on the CSB 337 mates to
  89          * connector P8 on the CSB 300CF
  90          */
  91
  92         /* CSB337 specific */
  93         .det_pin        = AT91_PIN_PC3,
  94
  95         /* CSB300CF specific */
  96         .irq_pin        = AT91_PIN_PA19,
  97         .vcc_pin        = AT91_PIN_PD0,
  98         .rst_pin        = AT91_PIN_PD2,
  99 };
 100
 101 static struct at91_mmc_data __initdata csb337_mmc_data = {
 102         .det_pin        = AT91_PIN_PD5,
 103         .slot_b         = 0,
 104         .wire4          = 1,
 105         .wp_pin         = AT91_PIN_PD6,
 106 };
 107
 108 static struct spi_board_info csb337_spi_devices[] = {
 109         {       /* CAN controller */
 110                 .modalias       = "sak82c900",
 111                 .chip_select    = 0,
 112                 .max_speed_hz   = 6 * 1000 * 1000,
 113         },
 114 };
 115
 116 #define CSB_FLASH_BASE  AT91_CHIPSELECT_0
 117 #define CSB_FLASH_SIZE  0x800000
 118
 119 static struct mtd_partition csb_flash_partitions[] = {
 120         {
 121                 .name           = "uMON flash",
 122                 .offset         = 0,
 123                 .size           = MTDPART_SIZ_FULL,
 124                 .mask_flags     = MTD_WRITEABLE,        /* read only */
 125         }
 126 };
 127
 128 static struct physmap_flash_data csb_flash_data = {
 129         .width          = 2,
 130         .parts          = csb_flash_partitions,
 131         .nr_parts       = ARRAY_SIZE(csb_flash_partitions),
 132 };
 133
 134 static struct resource csb_flash_resources[] = {
 135         {
 136                 .start  = CSB_FLASH_BASE,
 137                 .end    = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
 138                 .flags  = IORESOURCE_MEM,
 139         }
 140 };
 141
 142 static struct platform_device csb_flash = {
 143         .name           = "physmap-flash",
 144         .id             = 0,
 145         .dev            = {
 146                                 .platform_data = &csb_flash_data,
 147                         },
 148         .resource       = csb_flash_resources,
 149         .num_resources  = ARRAY_SIZE(csb_flash_resources),
 150 };
 151
 152 static void __init csb337_board_init(void)
 153 {
 154         /* Serial */
 155         at91_add_device_serial();
 156         /* Ethernet */
 157         at91_add_device_eth(&csb337_eth_data);
 158         /* USB Host */
 159         at91_add_device_usbh(&csb337_usbh_data);
 160         /* USB Device */
 161         at91_add_device_udc(&csb337_udc_data);
 162         /* I2C */
 163         at91_add_device_i2c();
 164         /* Compact Flash */
 165         at91_set_gpio_input(AT91_PIN_PB22, 1);          /* IOIS16 */
 166         at91_add_device_cf(&csb337_cf_data);
 167         /* SPI */
 168         at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
 169         /* MMC */
 170         at91_add_device_mmc(0, &csb337_mmc_data);
 171         /* NOR flash */
 172         platform_device_register(&csb_flash);
 173 }
 174
 175 MACHINE_START(CSB337, "Cogent CSB337")
 176         /* Maintainer: Bill Gatliff */
 177         .phys_io        = AT91_BASE_SYS,
 178         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 179         .boot_params    = AT91_SDRAM_BASE + 0x100,
 180         .timer          = &at91rm9200_timer,
 181         .map_io         = csb337_map_io,
 182         .init_irq       = csb337_init_irq,
 183         .init_machine   = csb337_board_init,
 184 MACHINE_END