release/src-rt-6.x/linux/linux-2.6/arch/arm/mach-at91/board-sam9260ek.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-sam9260ek.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *  Copyright (C) 2006 Atmel
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include <linux/types.h>
  23 #include <linux/init.h>
  24 #include <linux/mm.h>
  25 #include <linux/module.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/spi/spi.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 #include <asm/arch/at91sam926x_mc.h>
  41
  42 #include "generic.h"
  43
  44
  45 /*
  46  * Serial port configuration.
  47  *    0 .. 5 = USART0 .. USART5
  48  *    6      = DBGU
  49  */
  50 static struct at91_uart_config __initdata ek_uart_config = {
  51         .console_tty    = 0,                            /* ttyS0 */
  52         .nr_tty         = 3,
  53         .tty_map        = { 6, 0, 1, -1, -1, -1, -1 }   /* ttyS0, ..., ttyS6 */
  54 };
  55
  56 static void __init ek_map_io(void)
  57 {
  58         /* Initialize processor: 18.432 MHz crystal */
  59         at91sam9260_initialize(18432000);
  60
  61         /* Setup the serial ports and console */
  62         at91_init_serial(&ek_uart_config);
  63 }
  64
  65 static void __init ek_init_irq(void)
  66 {
  67         at91sam9260_init_interrupts(NULL);
  68 }
  69
  70
  71 /*
  72  * USB Host port
  73  */
  74 static struct at91_usbh_data __initdata ek_usbh_data = {
  75         .ports          = 2,
  76 };
  77
  78 /*
  79  * USB Device port
  80  */
  81 static struct at91_udc_data __initdata ek_udc_data = {
  82         .vbus_pin       = AT91_PIN_PC5,
  83         .pullup_pin     = 0,            /* pull-up driven by UDC */
  84 };
  85
  86
  87 /*
  88  * SPI devices.
  89  */
  90 static struct spi_board_info ek_spi_devices[] = {
  91 #if !defined(CONFIG_MMC_AT91)
  92         {       /* DataFlash chip */
  93                 .modalias       = "mtd_dataflash",
  94                 .chip_select    = 1,
  95                 .max_speed_hz   = 15 * 1000 * 1000,
  96                 .bus_num        = 0,
  97         },
  98 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
  99         {       /* DataFlash card */
 100                 .modalias       = "mtd_dataflash",
 101                 .chip_select    = 0,
 102                 .max_speed_hz   = 15 * 1000 * 1000,
 103                 .bus_num        = 0,
 104         },
 105 #endif
 106 #endif
 107 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
 108         {       /* AT73C213 DAC */
 109                 .modalias       = "at73c213",
 110                 .chip_select    = 0,
 111                 .max_speed_hz   = 10 * 1000 * 1000,
 112                 .bus_num        = 1,
 113         },
 114 #endif
 115 };
 116
 117
 118 /*
 119  * MACB Ethernet device
 120  */
 121 static struct at91_eth_data __initdata ek_macb_data = {
 122         .phy_irq_pin    = AT91_PIN_PA7,
 123         .is_rmii        = 1,
 124 };
 125
 126
 127 /*
 128  * NAND flash
 129  */
 130 static struct mtd_partition __initdata ek_nand_partition[] = {
 131         {
 132                 .name   = "Partition 1",
 133                 .offset = 0,
 134                 .size   = 256 * 1024,
 135         },
 136         {
 137                 .name   = "Partition 2",
 138                 .offset = 256 * 1024,
 139                 .size   = MTDPART_SIZ_FULL,
 140         },
 141 };
 142
 143 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 144 {
 145         *num_partitions = ARRAY_SIZE(ek_nand_partition);
 146         return ek_nand_partition;
 147 }
 148
 149 static struct at91_nand_data __initdata ek_nand_data = {
 150         .ale            = 21,
 151         .cle            = 22,
 152 //      .det_pin        = ... not connected
 153         .rdy_pin        = AT91_PIN_PC13,
 154         .enable_pin     = AT91_PIN_PC14,
 155         .partition_info = nand_partitions,
 156 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
 157         .bus_width_16   = 1,
 158 #else
 159         .bus_width_16   = 0,
 160 #endif
 161 };
 162
 163
 164 /*
 165  * MCI (SD/MMC)
 166  */
 167 static struct at91_mmc_data __initdata ek_mmc_data = {
 168         .slot_b         = 1,
 169         .wire4          = 1,
 170 //      .det_pin        = ... not connected
 171 //      .wp_pin         = ... not connected
 172 //      .vcc_pin        = ... not connected
 173 };
 174
 175 static void __init ek_board_init(void)
 176 {
 177         /* Serial */
 178         at91_add_device_serial();
 179         /* USB Host */
 180         at91_add_device_usbh(&ek_usbh_data);
 181         /* USB Device */
 182         at91_add_device_udc(&ek_udc_data);
 183         /* SPI */
 184         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 185         /* NAND */
 186         at91_add_device_nand(&ek_nand_data);
 187         /* Ethernet */
 188         at91_add_device_eth(&ek_macb_data);
 189         /* MMC */
 190         at91_add_device_mmc(0, &ek_mmc_data);
 191         /* I2C */
 192         at91_add_device_i2c();
 193 }
 194
 195 MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
 196         /* Maintainer: Atmel */
 197         .phys_io        = AT91_BASE_SYS,
 198         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 199         .boot_params    = AT91_SDRAM_BASE + 0x100,
 200         .timer          = &at91sam926x_timer,
 201         .map_io         = ek_map_io,
 202         .init_irq       = ek_init_irq,
 203         .init_machine   = ek_board_init,
 204 MACHINE_END