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/i2c.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/mtd/physmap.h>
  29
  30 #include <asm/hardware.h>
  31 #include <asm/setup.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/irq.h>
  34
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/map.h>
  37 #include <asm/mach/irq.h>
  38
  39 #include <asm/arch/board.h>
  40 #include <asm/arch/gpio.h>
  41
  42 #include "generic.h"
  43
  44
  45 /*
  46  * Serial port configuration.
  47  *    0 .. 3 = USART0 .. USART3
  48  *    4      = DBGU
  49  */
  50 static struct at91_uart_config __initdata csb337_uart_config = {
  51         .console_tty    = 0,                            /* ttyS0 */
  52         .nr_tty         = 2,
  53         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
  54 };
  55
  56 static void __init csb337_map_io(void)
  57 {
  58         /* Initialize processor: 3.6864 MHz crystal */
  59         at91rm9200_initialize(3686400, AT91RM9200_BGA);
  60
  61         /* Setup the LEDs */
  62         at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
  63
  64         /* Setup the serial ports and console */
  65         at91_init_serial(&csb337_uart_config);
  66 }
  67
  68 static void __init csb337_init_irq(void)
  69 {
  70         at91rm9200_init_interrupts(NULL);
  71 }
  72
  73 static struct at91_eth_data __initdata csb337_eth_data = {
  74         .phy_irq_pin    = AT91_PIN_PC2,
  75         .is_rmii        = 0,
  76 };
  77
  78 static struct at91_usbh_data __initdata csb337_usbh_data = {
  79         .ports          = 2,
  80 };
  81
  82 static struct at91_udc_data __initdata csb337_udc_data = {
  83         // this has no VBUS sensing pin
  84         .pullup_pin     = AT91_PIN_PA24,
  85 };
  86
  87 static struct i2c_board_info __initdata csb337_i2c_devices[] = {
  88         { I2C_BOARD_INFO("rtc-ds1307", 0x68),
  89           .type = "ds1307",
  90         },
  91 };
  92
  93
  94 static struct at91_cf_data __initdata csb337_cf_data = {
  95         /*
  96          * connector P4 on the CSB 337 mates to
  97          * connector P8 on the CSB 300CF
  98          */
  99
 100         /* CSB337 specific */
 101         .det_pin        = AT91_PIN_PC3,
 102
 103         /* CSB300CF specific */
 104         .irq_pin        = AT91_PIN_PA19,
 105         .vcc_pin        = AT91_PIN_PD0,
 106         .rst_pin        = AT91_PIN_PD2,
 107 };
 108
 109 static struct at91_mmc_data __initdata csb337_mmc_data = {
 110         .det_pin        = AT91_PIN_PD5,
 111         .slot_b         = 0,
 112         .wire4          = 1,
 113         .wp_pin         = AT91_PIN_PD6,
 114 };
 115
 116 static struct spi_board_info csb337_spi_devices[] = {
 117         {       /* CAN controller */
 118                 .modalias       = "sak82c900",
 119                 .chip_select    = 0,
 120                 .max_speed_hz   = 6 * 1000 * 1000,
 121         },
 122 };
 123
 124 #define CSB_FLASH_BASE  AT91_CHIPSELECT_0
 125 #define CSB_FLASH_SIZE  0x800000
 126
 127 static struct mtd_partition csb_flash_partitions[] = {
 128         {
 129                 .name           = "uMON flash",
 130                 .offset         = 0,
 131                 .size           = MTDPART_SIZ_FULL,
 132                 .mask_flags     = MTD_WRITEABLE,        /* read only */
 133         }
 134 };
 135
 136 static struct physmap_flash_data csb_flash_data = {
 137         .width          = 2,
 138         .parts          = csb_flash_partitions,
 139         .nr_parts       = ARRAY_SIZE(csb_flash_partitions),
 140 };
 141
 142 static struct resource csb_flash_resources[] = {
 143         {
 144                 .start  = CSB_FLASH_BASE,
 145                 .end    = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
 146                 .flags  = IORESOURCE_MEM,
 147         }
 148 };
 149
 150 static struct platform_device csb_flash = {
 151         .name           = "physmap-flash",
 152         .id             = 0,
 153         .dev            = {
 154                                 .platform_data = &csb_flash_data,
 155                         },
 156         .resource       = csb_flash_resources,
 157         .num_resources  = ARRAY_SIZE(csb_flash_resources),
 158 };
 159
 160 static void __init csb337_board_init(void)
 161 {
 162         /* Serial */
 163         at91_add_device_serial();
 164         /* Ethernet */
 165         at91_add_device_eth(&csb337_eth_data);
 166         /* USB Host */
 167         at91_add_device_usbh(&csb337_usbh_data);
 168         /* USB Device */
 169         at91_add_device_udc(&csb337_udc_data);
 170         /* I2C */
 171         at91_add_device_i2c();
 172         i2c_register_board_info(0, csb337_i2c_devices,
 173                         ARRAY_SIZE(csb337_i2c_devices));
 174         /* Compact Flash */
 175         at91_set_gpio_input(AT91_PIN_PB22, 1);          /* IOIS16 */
 176         at91_add_device_cf(&csb337_cf_data);
 177         /* SPI */
 178         at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
 179         /* MMC */
 180         at91_add_device_mmc(0, &csb337_mmc_data);
 181         /* NOR flash */
 182         platform_device_register(&csb_flash);
 183 }
 184
 185 MACHINE_START(CSB337, "Cogent CSB337")
 186         /* Maintainer: Bill Gatliff */
 187         .phys_io        = AT91_BASE_SYS,
 188         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 189         .boot_params    = AT91_SDRAM_BASE + 0x100,
 190         .timer          = &at91rm9200_timer,
 191         .map_io         = csb337_map_io,
 192         .init_irq       = csb337_init_irq,
 193         .init_machine   = csb337_board_init,
 194 MACHINE_END