209 lines
4.6 KiB
C
209 lines
4.6 KiB
C
/*
|
|
* KwikByte CAM60 (KB9260)
|
|
*
|
|
* based on board-sam9260ek.c
|
|
* Copyright (C) 2005 SAN People
|
|
* Copyright (C) 2006 Atmel
|
|
*
|
|
* 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/spi/flash.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 <mach/at91sam9_smc.h>
|
|
|
|
#include "sam9_smc.h"
|
|
#include "generic.h"
|
|
|
|
|
|
static void __init cam60_map_io(void)
|
|
{
|
|
/* Initialize processor: 10 MHz crystal */
|
|
at91sam9260_initialize(10000000);
|
|
|
|
/* DBGU on ttyS0. (Rx & Tx only) */
|
|
at91_register_uart(0, 0, 0);
|
|
|
|
/* set serial console to ttyS0 (ie, DBGU) */
|
|
at91_set_serial_console(0);
|
|
}
|
|
|
|
static void __init cam60_init_irq(void)
|
|
{
|
|
at91sam9260_init_interrupts(NULL);
|
|
}
|
|
|
|
|
|
/*
|
|
* USB Host
|
|
*/
|
|
static struct at91_usbh_data __initdata cam60_usbh_data = {
|
|
.ports = 1,
|
|
};
|
|
|
|
|
|
/*
|
|
* SPI devices.
|
|
*/
|
|
#if defined(CONFIG_MTD_DATAFLASH)
|
|
static struct mtd_partition __initdata cam60_spi_partitions[] = {
|
|
{
|
|
.name = "BOOT1",
|
|
.offset = 0,
|
|
.size = 4 * 1056,
|
|
},
|
|
{
|
|
.name = "BOOT2",
|
|
.offset = MTDPART_OFS_NXTBLK,
|
|
.size = 256 * 1056,
|
|
},
|
|
{
|
|
.name = "kernel",
|
|
.offset = MTDPART_OFS_NXTBLK,
|
|
.size = 2222 * 1056,
|
|
},
|
|
{
|
|
.name = "file system",
|
|
.offset = MTDPART_OFS_NXTBLK,
|
|
.size = MTDPART_SIZ_FULL,
|
|
},
|
|
};
|
|
|
|
static struct flash_platform_data cam60_spi_flash_platform_data __initdata = {
|
|
.name = "spi_flash",
|
|
.parts = cam60_spi_partitions,
|
|
.nr_parts = ARRAY_SIZE(cam60_spi_partitions)
|
|
};
|
|
#endif
|
|
|
|
static struct spi_board_info cam60_spi_devices[] __initdata = {
|
|
#if defined(CONFIG_MTD_DATAFLASH)
|
|
{ /* DataFlash chip */
|
|
.modalias = "mtd_dataflash",
|
|
.chip_select = 0,
|
|
.max_speed_hz = 15 * 1000 * 1000,
|
|
.bus_num = 0,
|
|
.platform_data = &cam60_spi_flash_platform_data
|
|
},
|
|
#endif
|
|
};
|
|
|
|
|
|
/*
|
|
* MACB Ethernet device
|
|
*/
|
|
static struct __initdata at91_eth_data cam60_macb_data = {
|
|
.phy_irq_pin = AT91_PIN_PB5,
|
|
.is_rmii = 0,
|
|
};
|
|
|
|
|
|
/*
|
|
* NAND Flash
|
|
*/
|
|
static struct mtd_partition __initdata cam60_nand_partition[] = {
|
|
{
|
|
.name = "nand_fs",
|
|
.offset = 0,
|
|
.size = MTDPART_SIZ_FULL,
|
|
},
|
|
};
|
|
|
|
static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
|
|
{
|
|
*num_partitions = ARRAY_SIZE(cam60_nand_partition);
|
|
return cam60_nand_partition;
|
|
}
|
|
|
|
static struct atmel_nand_data __initdata cam60_nand_data = {
|
|
.ale = 21,
|
|
.cle = 22,
|
|
// .det_pin = ... not there
|
|
.rdy_pin = AT91_PIN_PA9,
|
|
.enable_pin = AT91_PIN_PA7,
|
|
.partition_info = nand_partitions,
|
|
};
|
|
|
|
static struct sam9_smc_config __initdata cam60_nand_smc_config = {
|
|
.ncs_read_setup = 0,
|
|
.nrd_setup = 1,
|
|
.ncs_write_setup = 0,
|
|
.nwe_setup = 1,
|
|
|
|
.ncs_read_pulse = 3,
|
|
.nrd_pulse = 3,
|
|
.ncs_write_pulse = 3,
|
|
.nwe_pulse = 3,
|
|
|
|
.read_cycle = 5,
|
|
.write_cycle = 5,
|
|
|
|
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
|
|
.tdf_cycles = 2,
|
|
};
|
|
|
|
static void __init cam60_add_device_nand(void)
|
|
{
|
|
/* configure chip-select 3 (NAND) */
|
|
sam9_smc_configure(3, &cam60_nand_smc_config);
|
|
|
|
at91_add_device_nand(&cam60_nand_data);
|
|
}
|
|
|
|
|
|
static void __init cam60_board_init(void)
|
|
{
|
|
/* Serial */
|
|
at91_add_device_serial();
|
|
/* SPI */
|
|
at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
|
|
/* Ethernet */
|
|
at91_add_device_eth(&cam60_macb_data);
|
|
/* USB Host */
|
|
/* enable USB power supply circuit */
|
|
at91_set_gpio_output(AT91_PIN_PB18, 1);
|
|
at91_add_device_usbh(&cam60_usbh_data);
|
|
/* NAND */
|
|
cam60_add_device_nand();
|
|
}
|
|
|
|
MACHINE_START(CAM60, "KwikByte CAM60")
|
|
/* Maintainer: KwikByte */
|
|
.phys_io = AT91_BASE_SYS,
|
|
.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
|
|
.boot_params = AT91_SDRAM_BASE + 0x100,
|
|
.timer = &at91sam926x_timer,
|
|
.map_io = cam60_map_io,
|
|
.init_irq = cam60_init_irq,
|
|
.init_machine = cam60_board_init,
|
|
MACHINE_END
|