arch/arm/mach-at91/board-sam9-l9260.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-sam9-l9260.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *  Copyright (C) 2006 Atmel
   6  *  Copyright (C) 2007 Olimex Ltd
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include <linux/types.h>
  24 #include <linux/init.h>
  25 #include <linux/mm.h>
  26 #include <linux/module.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/spi/spi.h>
  29
  30 #include <mach/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 <mach/board.h>
  40 #include <mach/gpio.h>
  41
  42 #include "generic.h"
  43
  44
  45 static void __init ek_map_io(void)
  46 {
  47         /* Initialize processor: 18.432 MHz crystal */
  48         at91sam9260_initialize(18432000);
  49
  50         /* Setup the LEDs */
  51         at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6);
  52
  53         /* Setup the serial ports and console */
  54         at91_init_uarts();
  55 }
  56
  57 static void __init ek_init_irq(void)
  58 {
  59         at91sam9260_init_interrupts(NULL);
  60 }
  61
  62
  63 /*
  64  * USB Host port
  65  */
  66 static struct at91_usbh_data __initdata ek_usbh_data = {
  67         .ports          = 2,
  68 };
  69
  70 /*
  71  * USB Device port
  72  */
  73 static struct at91_udc_data __initdata ek_udc_data = {
  74         .vbus_pin       = AT91_PIN_PC5,
  75         .pullup_pin     = 0,            /* pull-up driven by UDC */
  76 };
  77
  78
  79 /*
  80  * SPI devices.
  81  */
  82 static struct spi_board_info ek_spi_devices[] = {
  83 #if !defined(CONFIG_MMC_AT91)
  84         {       /* DataFlash chip */
  85                 .modalias       = "mtd_dataflash",
  86                 .chip_select    = 1,
  87                 .max_speed_hz   = 15 * 1000 * 1000,
  88                 .bus_num        = 0,
  89         },
  90 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
  91         {       /* DataFlash card */
  92                 .modalias       = "mtd_dataflash",
  93                 .chip_select    = 0,
  94                 .max_speed_hz   = 15 * 1000 * 1000,
  95                 .bus_num        = 0,
  96         },
  97 #endif
  98 #endif
  99 };
 100
 101
 102 /*
 103  * MACB Ethernet device
 104  */
 105 static struct at91_eth_data __initdata ek_macb_data = {
 106         .phy_irq_pin    = AT91_PIN_PA7,
 107         .is_rmii        = 0,
 108 };
 109
 110
 111 /*
 112  * NAND flash
 113  */
 114 static struct mtd_partition __initdata ek_nand_partition[] = {
 115         {
 116                 .name   = "Bootloader Area",
 117                 .offset = 0,
 118                 .size   = 10 * 1024 * 1024,
 119         },
 120         {
 121                 .name   = "User Area",
 122                 .offset = 10 * 1024 * 1024,
 123                 .size   = MTDPART_SIZ_FULL,
 124         },
 125 };
 126
 127 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 128 {
 129         *num_partitions = ARRAY_SIZE(ek_nand_partition);
 130         return ek_nand_partition;
 131 }
 132
 133 static struct atmel_nand_data __initdata ek_nand_data = {
 134         .ale            = 21,
 135         .cle            = 22,
 136 //      .det_pin        = ... not connected
 137         .rdy_pin        = AT91_PIN_PC13,
 138         .enable_pin     = AT91_PIN_PC14,
 139         .partition_info = nand_partitions,
 140 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 141         .bus_width_16   = 1,
 142 #else
 143         .bus_width_16   = 0,
 144 #endif
 145 };
 146
 147
 148 /*
 149  * MCI (SD/MMC)
 150  */
 151 static struct at91_mmc_data __initdata ek_mmc_data = {
 152         .slot_b         = 1,
 153         .wire4          = 1,
 154         .det_pin        = AT91_PIN_PC8,
 155         .wp_pin         = AT91_PIN_PC4,
 156 //      .vcc_pin        = ... not connected
 157 };
 158
 159 static void __init ek_board_init(void)
 160 {
 161         /* Serial */
 162         at91_add_device_serial();
 163         /* USB Host */
 164         at91_add_device_usbh(&ek_usbh_data);
 165         /* USB Device */
 166         at91_add_device_udc(&ek_udc_data);
 167         /* SPI */
 168         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 169         /* NAND */
 170         at91_add_device_nand(&ek_nand_data);
 171         /* Ethernet */
 172         at91_add_device_eth(&ek_macb_data);
 173         /* MMC */
 174         at91_add_device_mmc(0, &ek_mmc_data);
 175         /* I2C */
 176         at91_add_device_i2c(NULL, 0);
 177 }
 178
 179 MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
 180         /* Maintainer: Olimex */
 181         .phys_io        = AT91_BASE_SYS,
 182         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 183         .boot_params    = AT91_SDRAM_BASE + 0x100,
 184         .timer          = &at91sam926x_timer,
 185         .map_io         = ek_map_io,
 186         .init_irq       = ek_init_irq,
 187         .init_machine   = ek_board_init,
 188 MACHINE_END