board-snapper9260.c
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/*
* linux/arch/arm/mach-at91/board-snapper9260.c
*
* Copyright (C) 2010 Bluewater System Ltd
*
* Author: Andre Renaud <andre@bluewatersys.com>
* Author: Ryan Mallon
*
* 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/init.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/platform_data/pca953x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/hardware.h>
#include <mach/at91sam9_smc.h>
#include "at91_aic.h"
#include "board.h"
#include "sam9_smc.h"
#include "generic.h"
#define SNAPPER9260_IO_EXP_GPIO(x) (NR_BUILTIN_GPIO + (x))
static void __init snapper9260_init_early(void)
{
at91_initialize(18432000);
}
static struct at91_usbh_data __initdata snapper9260_usbh_data = {
.ports = 2,
.vbus_pin = {-EINVAL, -EINVAL},
.overcurrent_pin= {-EINVAL, -EINVAL},
};
static struct at91_udc_data __initdata snapper9260_udc_data = {
.vbus_pin = SNAPPER9260_IO_EXP_GPIO(5),
.vbus_active_low = 1,
.vbus_polled = 1,
.pullup_pin = -EINVAL,
};
static struct macb_platform_data snapper9260_macb_data = {
.phy_irq_pin = -EINVAL,
.is_rmii = 1,
};
static struct mtd_partition __initdata snapper9260_nand_partitions[] = {
{
.name = "Preboot",
.offset = 0,
.size = SZ_128K,
},
{
.name = "Bootloader",
.offset = MTDPART_OFS_APPEND,
.size = SZ_256K,
},
{
.name = "Environment",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
},
{
.name = "Kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_4M,
},
{
.name = "Filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct atmel_nand_data __initdata snapper9260_nand_data = {
.ale = 21,
.cle = 22,
.rdy_pin = AT91_PIN_PC13,
.parts = snapper9260_nand_partitions,
.num_parts = ARRAY_SIZE(snapper9260_nand_partitions),
.bus_width_16 = 0,
.enable_pin = -EINVAL,
.det_pin = -EINVAL,
.ecc_mode = NAND_ECC_SOFT,
};
static struct sam9_smc_config __initdata snapper9260_nand_smc_config = {
.ncs_read_setup = 0,
.nrd_setup = 0,
.ncs_write_setup = 0,
.nwe_setup = 0,
.ncs_read_pulse = 5,
.nrd_pulse = 2,
.ncs_write_pulse = 5,
.nwe_pulse = 2,
.read_cycle = 7,
.write_cycle = 7,
.mode = (AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
AT91_SMC_EXNWMODE_DISABLE),
.tdf_cycles = 1,
};
static struct pca953x_platform_data snapper9260_io_expander_data = {
.gpio_base = SNAPPER9260_IO_EXP_GPIO(0),
};
static struct i2c_board_info __initdata snapper9260_i2c_devices[] = {
{
/* IO expander */
I2C_BOARD_INFO("max7312", 0x28),
.platform_data = &snapper9260_io_expander_data,
},
{
/* Audio codec */
I2C_BOARD_INFO("tlv320aic23", 0x1a),
},
};
static struct i2c_board_info __initdata snapper9260_i2c_isl1208 = {
/* RTC */
I2C_BOARD_INFO("isl1208", 0x6f),
};
static void __init snapper9260_add_device_nand(void)
{
at91_set_A_periph(AT91_PIN_PC14, 0);
sam9_smc_configure(0, 3, &snapper9260_nand_smc_config);
at91_add_device_nand(&snapper9260_nand_data);
}
static void __init snapper9260_board_init(void)
{
at91_add_device_i2c(snapper9260_i2c_devices,
ARRAY_SIZE(snapper9260_i2c_devices));
snapper9260_i2c_isl1208.irq = gpio_to_irq(AT91_PIN_PA31);
i2c_register_board_info(0, &snapper9260_i2c_isl1208, 1);
/* Debug on ttyS0 */
at91_register_uart(0, 0, 0);
at91_register_uart(AT91SAM9260_ID_US0, 1,
ATMEL_UART_CTS | ATMEL_UART_RTS);
at91_register_uart(AT91SAM9260_ID_US1, 2,
ATMEL_UART_CTS | ATMEL_UART_RTS);
at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
at91_add_device_serial();
at91_add_device_usbh(&snapper9260_usbh_data);
at91_add_device_udc(&snapper9260_udc_data);
at91_add_device_eth(&snapper9260_macb_data);
at91_add_device_ssc(AT91SAM9260_ID_SSC, (ATMEL_SSC_TF | ATMEL_SSC_TK |
ATMEL_SSC_TD | ATMEL_SSC_RD));
snapper9260_add_device_nand();
}
MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module")
.init_time = at91sam926x_pit_init,
.map_io = at91_map_io,
.handle_irq = at91_aic_handle_irq,
.init_early = snapper9260_init_early,
.init_irq = at91_init_irq_default,
.init_machine = snapper9260_board_init,
MACHINE_END