/*
* linux/arch/arm/mach-at91/board-afeb-9260v1.c
*
* Copyright (C) 2005 SAN People
* Copyright (C) 2006 Atmel
* Copyright (C) 2008 Sergey Lapin
*
* A custom board designed as open hardware; PCBs and various information
* is available at http://groups.google.com/group/arm9fpga-evolution-board/
* Subversion repository: svn://194.85.238.22/home/users/george/svn/arm9eb
*
* 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/clk.h>
#include <linux/dma-mapping.h>
#include <mach/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 <mach/board.h>
#include <mach/gpio.h>
#include "generic.h"
static void __init afeb9260_init_early(void)
{
/* Initialize processor: 18.432 MHz crystal */
at91_initialize(18432000);
/* DBGU on ttyS0. (Rx & Tx only) */
at91_register_uart(0, 0, 0);
/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
at91_register_uart(AT91SAM9260_ID_US0, 1,
ATMEL_UART_CTS | ATMEL_UART_RTS
| ATMEL_UART_DTR | ATMEL_UART_DSR
| ATMEL_UART_DCD | ATMEL_UART_RI);
/* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
at91_register_uart(AT91SAM9260_ID_US1, 2,
ATMEL_UART_CTS | ATMEL_UART_RTS);
/* set serial console to ttyS0 (ie, DBGU) */
at91_set_serial_console(0);
}
/*
* USB Host port
*/
static struct at91_usbh_data __initdata afeb9260_usbh_data = {
.ports = 1,
};
/*
* USB Device port
*/
static struct at91_udc_data __initdata afeb9260_udc_data = {
.vbus_pin = AT91_PIN_PC5,
.pullup_pin = 0, /* pull-up driven by UDC */
};
/*
* SPI devices.
*/
static struct spi_board_info afeb9260_spi_devices[] = {
{ /* DataFlash chip */
.modalias = "mtd_dataflash",
.chip_select = 1,
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
},
};
/*
* MACB Ethernet device
*/
static struct at91_eth_data __initdata afeb9260_macb_data = {
.phy_irq_pin = AT91_PIN_PA9,
.is_rmii = 0,
};
/*
* NAND flash
*/
static struct mtd_partition __initdata afeb9260_nand_partition[] = {
{
.name = "bootloader",
.offset = 0,
.size = (640 * SZ_1K),
},
{
.name = "kernel",
.offset = MTDPART_OFS_NXTBLK,
.size = SZ_2M,
},
{
.name = "rootfs",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
{
*num_partitions = ARRAY_SIZE(afeb9260_nand_partition);
return afeb9260_nand_partition;
}
static struct atmel_nand_data __initdata afeb9260_nand_data = {
.ale = 21,
.cle = 22,
.rdy_pin = AT91_PIN_PC13,
.enable_pin = AT91_PIN_PC14,
.partition_info = nand_partitions,
.bus_width_16 = 0,
};
/*
* MCI (SD/MMC)
*/
static struct at91_mmc_data __initdata afeb9260_mmc_data = {
.det_pin = AT91_PIN_PC9,
.wp_pin = AT91_PIN_PC4,
.slot_b = 1,
.wire4 = 1,
};
static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
{
I2C_BOARD_INFO("tlv320aic23", 0x1a),
}, {
I2C_BOARD_INFO("fm3130", 0x68),
}, {
I2C_BOARD_INFO("24c64", 0x50),
},
};
/*
* IDE (CF True IDE mode)
*/
static struct at91_cf_data afeb9260_cf_data = {
.chipselect = 4,
.irq_pin = AT91_PIN_PA6,
.rst_pin = AT91_PIN_PA7,
.flags = AT91_CF_TRUE_IDE,
};
static void __init afeb9260_board_init(void)
{
/* Serial */
at91_add_device_serial();
/* USB Host */
at91_add_device_usbh(&afeb9260_usbh_data);
/* USB Device */
at91_add_device_udc(&afeb9260_udc_data);
/* SPI */
at91_add_device_spi(afeb9260_spi_devices,
ARRAY_SIZE(afeb9260_spi_devices));
/* NAND */
at91_add_device_nand(&afeb9260_nand_data);
/* Ethernet */
at91_add_device_eth(&afeb9260_macb_data);
/* Standard function's pin assignments are not
* appropriate for us and generic code provide
* no API to configure these pins any other way */
at91_set_B_periph(AT91_PIN_PA10, 0); /* ETX2 */
at91_set_B_periph(AT91_PIN_PA11, 0); /* ETX3 */
/* MMC */
at91_add_device_mmc(0, &afeb9260_mmc_data);
/* I2C */
at91_add_device_i2c(afeb9260_i2c_devices,
ARRAY_SIZE(afeb9260_i2c_devices));
/* Audio */
at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
/* IDE */
at91_add_device_cf(&afeb9260_cf_data);
}
MACHINE_START(AFEB9260, "Custom afeb9260 board")
/* Maintainer: Sergey Lapin <slapin@ossfans.org> */
.timer = &at91sam926x_timer,
.map_io = at91_map_io,
.init_early = afeb9260_init_early,
.init_irq = at91_init_irq_default,
.init_machine = afeb9260_board_init,
MACHINE_END
