arch/arm/mach-at91/board-sam9263ek.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-sam9263ek.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *  Copyright (C) 2007 Atmel Corporation.
   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 .. 2 = USART0 .. USART2
  48  *    3      = DBGU
  49  */
  50 static struct at91_uart_config __initdata ek_uart_config = {
  51         .console_tty    = 0,                            /* ttyS0 */
  52         .nr_tty         = 2,
  53         .tty_map        = { 3, 0, -1, -1, }             /* ttyS0, ..., ttyS3 */
  54 };
  55
  56 static void __init ek_map_io(void)
  57 {
  58         /* Initialize processor: 16.367 MHz crystal */
  59         at91sam9263_initialize(16367660);
  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         at91sam9263_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         .vbus_pin       = { AT91_PIN_PA24, AT91_PIN_PA21 },
  77 };
  78
  79 /*
  80  * USB Device port
  81  */
  82 static struct at91_udc_data __initdata ek_udc_data = {
  83         .vbus_pin       = AT91_PIN_PA25,
  84         .pullup_pin     = 0,            /* pull-up driven by UDC */
  85 };
  86
  87
  88 /*
  89  * SPI devices.
  90  */
  91 static struct spi_board_info ek_spi_devices[] = {
  92 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
  93         {       /* DataFlash card */
  94                 .modalias       = "mtd_dataflash",
  95                 .chip_select    = 0,
  96                 .max_speed_hz   = 15 * 1000 * 1000,
  97                 .bus_num        = 0,
  98         },
  99 #endif
 100 };
 101
 102
 103 /*
 104  * MCI (SD/MMC)
 105  */
 106 static struct at91_mmc_data __initdata ek_mmc_data = {
 107         .wire4          = 1,
 108         .det_pin        = AT91_PIN_PE18,
 109         .wp_pin         = AT91_PIN_PE19,
 110 //      .vcc_pin        = ... not connected
 111 };
 112
 113
 114 /*
 115  * NAND flash
 116  */
 117 static struct mtd_partition __initdata ek_nand_partition[] = {
 118         {
 119                 .name   = "Partition 1",
 120                 .offset = 0,
 121                 .size   = 64 * 1024 * 1024,
 122         },
 123         {
 124                 .name   = "Partition 2",
 125                 .offset = 64 * 1024 * 1024,
 126                 .size   = MTDPART_SIZ_FULL,
 127         },
 128 };
 129
 130 static struct mtd_partition *nand_partitions(int size, int *num_partitions)
 131 {
 132         *num_partitions = ARRAY_SIZE(ek_nand_partition);
 133         return ek_nand_partition;
 134 }
 135
 136 static struct at91_nand_data __initdata ek_nand_data = {
 137         .ale            = 21,
 138         .cle            = 22,
 139 //      .det_pin        = ... not connected
 140         .rdy_pin        = AT91_PIN_PA22,
 141         .enable_pin     = AT91_PIN_PD15,
 142         .partition_info = nand_partitions,
 143 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
 144         .bus_width_16   = 1,
 145 #else
 146         .bus_width_16   = 0,
 147 #endif
 148 };
 149
 150
 151 static void __init ek_board_init(void)
 152 {
 153         /* Serial */
 154         at91_add_device_serial();
 155         /* USB Host */
 156         at91_add_device_usbh(&ek_usbh_data);
 157         /* USB Device */
 158         at91_add_device_udc(&ek_udc_data);
 159         /* SPI */
 160         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 161         /* MMC */
 162         at91_add_device_mmc(1, &ek_mmc_data);
 163         /* NAND */
 164         at91_add_device_nand(&ek_nand_data);
 165 }
 166
 167 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
 168         /* Maintainer: Atmel */
 169         .phys_io        = AT91_BASE_SYS,
 170         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 171         .boot_params    = AT91_SDRAM_BASE + 0x100,
 172         .timer          = &at91sam926x_timer,
 173         .map_io         = ek_map_io,
 174         .init_irq       = ek_init_irq,
 175         .init_machine   = ek_board_init,
 176 MACHINE_END