Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * linux/arch/arm/mach-at91/board-dk.c

 *

 *  Copyright (C) 2005 SAN People

 *

 *  Epson S1D framebuffer glue code is:

 *     Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

#include <linux/types.h>

#include <linux/init.h>

#include <linux/mm.h>

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/spi/spi.h>

#include <linux/mtd/physmap.h>

#include <asm/hardware.h>

#include <asm/setup.h>

#include <asm/mach-types.h>

#include <asm/irq.h>

#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/mach/irq.h>

#include <asm/arch/board.h>

#include <asm/arch/gpio.h>

#include <asm/arch/at91rm9200_mc.h>

#include "generic.h"

/*

 * Serial port configuration.

 *    0 .. 3 = USART0 .. USART3

 *    4      = DBGU

 */

static struct at91_uart_config __initdata dk_uart_config = {

        .console_tty    = 0,                             /* ttyS0 */

        .nr_tty         = 2,

        .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */

};

static void __init dk_map_io(void)

{

        /* Initialize processor: 18.432 MHz crystal */

        at91rm9200_initialize(18432000, AT91RM9200_BGA);

        /* Setup the LEDs */

        at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);

        /* Setup the serial ports and console */

        at91_init_serial(&dk_uart_config);

}

static void __init dk_init_irq(void)

{

        at91rm9200_init_interrupts(NULL);

}

static struct at91_eth_data __initdata dk_eth_data = {

        .phy_irq_pin    = AT91_PIN_PC4,

        .is_rmii        = 1,

};

static struct at91_usbh_data __initdata dk_usbh_data = {

        .ports          = 2,

};

static struct at91_udc_data __initdata dk_udc_data = {

        .vbus_pin       = AT91_PIN_PD4,

        .pullup_pin     = AT91_PIN_PD5,

};

static struct at91_cf_data __initdata dk_cf_data = {

        .det_pin        = AT91_PIN_PB0,

        .rst_pin        = AT91_PIN_PC5,

        // .irq_pin     = ... not connected

        // .vcc_pin     = ... always powered

};

static struct at91_mmc_data __initdata dk_mmc_data = {

        .slot_b         = 0,

        .wire4          = 1,

};

static struct spi_board_info dk_spi_devices[] = {

        {       /* DataFlash chip */

                .modalias       = "mtd_dataflash",

                .chip_select    = 0,

                .max_speed_hz   = 15 * 1000 * 1000,

        },

        {       /* UR6HCPS2-SP40 PS2-to-SPI adapter */

                .modalias       = "ur6hcps2",

                .chip_select    = 1,

                .max_speed_hz   = 250 *  1000,

        },

        {       /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */

                .modalias       = "tlv1504",

                .chip_select    = 2,

                .max_speed_hz   = 20 * 1000 * 1000,

        },

#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD

        {       /* DataFlash card */

                .modalias       = "mtd_dataflash",

                .chip_select    = 3,

                .max_speed_hz   = 15 * 1000 * 1000,

        }

#endif

};

static struct i2c_board_info __initdata dk_i2c_devices[] = {

        {

                I2C_BOARD_INFO("ics1523", 0x26),

        },

        {

                I2C_BOARD_INFO("x9429", 0x28),

        },

        {

                I2C_BOARD_INFO("at24c", 0x50),

                .type   = "24c1024",

        }

};

static struct mtd_partition __initdata dk_nand_partition[] = {

        {

                .name   = "NAND Partition 1",

                .offset = 0,

                .size   = MTDPART_SIZ_FULL,

        },

};

static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)

{

        *num_partitions = ARRAY_SIZE(dk_nand_partition);

        return dk_nand_partition;

}

static struct at91_nand_data __initdata dk_nand_data = {

        .ale            = 22,

        .cle            = 21,

        .det_pin        = AT91_PIN_PB1,

        .rdy_pin        = AT91_PIN_PC2,

        // .enable_pin  = ... not there

        .partition_info = nand_partitions,

};

#define DK_FLASH_BASE   AT91_CHIPSELECT_0

#define DK_FLASH_SIZE   0x200000

static struct physmap_flash_data dk_flash_data = {

        .width  = 2,

};

static struct resource dk_flash_resource = {

        .start          = DK_FLASH_BASE,

        .end            = DK_FLASH_BASE + DK_FLASH_SIZE - 1,

        .flags          = IORESOURCE_MEM,

};

static struct platform_device dk_flash = {

        .name           = "physmap-flash",

        .id             = 0,

        .dev            = {

                                .platform_data  = &dk_flash_data,

                        },

        .resource       = &dk_flash_resource,

        .num_resources  = 1,

};

static void __init dk_board_init(void)

{

        /* Serial */

        at91_add_device_serial();

        /* Ethernet */

        at91_add_device_eth(&dk_eth_data);

        /* USB Host */

        at91_add_device_usbh(&dk_usbh_data);

        /* USB Device */

        at91_add_device_udc(&dk_udc_data);

        at91_set_multi_drive(dk_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */

        /* Compact Flash */

        at91_add_device_cf(&dk_cf_data);

        /* I2C */

        at91_add_device_i2c(dk_i2c_devices, ARRAY_SIZE(dk_i2c_devices));

        /* SPI */

        at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));

#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD

        /* DataFlash card */

        at91_set_gpio_output(AT91_PIN_PB7, 0);

#else

        /* MMC */

        at91_set_gpio_output(AT91_PIN_PB7, 1);  /* this MMC card slot can optionally use SPI signaling (CS3). */

        at91_add_device_mmc(0, &dk_mmc_data);

#endif

        /* NAND */

        at91_add_device_nand(&dk_nand_data);

        /* NOR Flash */

        platform_device_register(&dk_flash);

        /* VGA */

//      dk_add_device_video();

}

MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")

        /* Maintainer: SAN People/Atmel */

        .phys_io        = AT91_BASE_SYS,

        .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,

        .boot_params    = AT91_SDRAM_BASE + 0x100,

        .timer          = &at91rm9200_timer,

        .map_io         = dk_map_io,

        .init_irq       = dk_init_irq,

        .init_machine   = dk_board_init,

MACHINE_END