/*
* linux/arch/arm/mach-at91/board-at572d940hf_ek.c
*
* Copyright (C) 2008 Atmel Antonio R. Costa <costa.antonior@gmail.com>
* Copyright (C) 2005 SAN People
*
* 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/ds1305.h>
#include <linux/irq.h>
#include <linux/mtd/physmap.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 eb_map_io(void)
{
/* Initialize processor: 12.500 MHz crystal */
at572d940hf_initialize(12000000);
/* DBGU on ttyS0. (Rx & Tx only) */
at91_register_uart(0, 0, 0);
/* USART0 on ttyS1. (Rx & Tx only) */
at91_register_uart(AT572D940HF_ID_US0, 1, 0);
/* USART1 on ttyS2. (Rx & Tx only) */
at91_register_uart(AT572D940HF_ID_US1, 2, 0);
/* USART2 on ttyS3. (Tx & Rx only */
at91_register_uart(AT572D940HF_ID_US2, 3, 0);
/* set serial console to ttyS0 (ie, DBGU) */
at91_set_serial_console(0);
}
static void __init eb_init_irq(void)
{
at572d940hf_init_interrupts(NULL);
}
/*
* USB Host Port
*/
static struct at91_usbh_data __initdata eb_usbh_data = {
.ports = 2,
};
/*
* USB Device Port
*/
static struct at91_udc_data __initdata eb_udc_data = {
.vbus_pin = 0, /* no VBUS detection,UDC always on */
.pullup_pin = 0, /* pull-up driven by UDC */
};
/*
* MCI (SD/MMC)
*/
static struct at91_mmc_data __initdata eb_mmc_data = {
.wire4 = 1,
/* .det_pin = ... not connected */
/* .wp_pin = ... not connected */
/* .vcc_pin = ... not connected */
};
/*
* MACB Ethernet device
*/
static struct at91_eth_data __initdata eb_eth_data = {
.phy_irq_pin = AT91_PIN_PB25,
.is_rmii = 1,
};
/*
* NOR flash
*/
static struct mtd_partition eb_nor_partitions[] = {
{
.name = "Raw Environment",
.offset = 0,
.size = SZ_4M,
.mask_flags = 0,
},
{
.name = "OS FS",
.offset = MTDPART_OFS_APPEND,
.size = 3 * SZ_1M,
.mask_flags = 0,
},
{
.name = "APP FS",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0,
},
};
static void nor_flash_set_vpp(struct map_info* mi, int i) {
};
static struct physmap_flash_data nor_flash_data = {
.width = 4,
.parts = eb_nor_partitions,
.nr_parts = ARRAY_SIZE(eb_nor_partitions),
.set_vpp = nor_flash_set_vpp,
};
static struct resource nor_flash_resources[] = {
{
.start = AT91_CHIPSELECT_0,
.end = AT91_CHIPSELECT_0 + SZ_16M - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device nor_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &nor_flash_data,
},
.resource = nor_flash_resources,
.num_resources = ARRAY_SIZE(nor_flash_resources),
};
static struct sam9_smc_config __initdata eb_nor_smc_config = {
.ncs_read_setup = 1,
.nrd_setup = 1,
.ncs_write_setup = 1,
.nwe_setup = 1,
.ncs_read_pulse = 7,
.nrd_pulse = 7,
.ncs_write_pulse = 7,
.nwe_pulse = 7,
.read_cycle = 9,
.write_cycle = 9,
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_32,
.tdf_cycles = 1,
};
static void __init eb_add_device_nor(void)
{
/* configure chip-select 0 (NOR) */
sam9_smc_configure(0, &eb_nor_smc_config);
platform_device_register(&nor_flash);
}
/*
* NAND flash
*/
static struct mtd_partition __initdata eb_nand_partition[] = {
{
.name = "Partition 1",
.offset = 0,
.size = SZ_16M,
},
{
.name = "Partition 2",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
}
};
static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
{
*num_partitions = ARRAY_SIZE(eb_nand_partition);
return eb_nand_partition;
}
static struct atmel_nand_data __initdata eb_nand_data = {
.ale = 22,
.cle = 21,
/* .det_pin = ... not connected */
/* .rdy_pin = AT91_PIN_PC16, */
.enable_pin = AT91_PIN_PA15,
.partition_info = nand_partitions,
#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
.bus_width_16 = 1,
#else
.bus_width_16 = 0,
#endif
};
static struct sam9_smc_config __initdata eb_nand_smc_config = {
.ncs_read_setup = 0,
.nrd_setup = 0,
.ncs_write_setup = 1,
.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,
.tdf_cycles = 12,
};
static void __init eb_add_device_nand(void)
{
/* setup bus-width (8 or 16) */
if (eb_nand_data.bus_width_16)
eb_nand_smc_config.mode |= AT91_SMC_DBW_16;
else
eb_nand_smc_config.mode |= AT91_SMC_DBW_8;
/* configure chip-select 3 (NAND) */
sam9_smc_configure(3, &eb_nand_smc_config);
at91_add_device_nand(&eb_nand_data);
}
/*
* SPI devices
*/
static struct resource rtc_resources[] = {
[0] = {
.start = AT572D940HF_ID_IRQ1,
.end = AT572D940HF_ID_IRQ1,
.flags = IORESOURCE_IRQ,
},
};
static struct ds1305_platform_data ds1306_data = {
.is_ds1306 = true,
.en_1hz = false,
};
static struct spi_board_info eb_spi_devices[] = {
{ /* RTC Dallas DS1306 */
.modalias = "rtc-ds1305",
.chip_select = 3,
.mode = SPI_CS_HIGH | SPI_CPOL | SPI_CPHA,
.max_speed_hz = 500000,
.bus_num = 0,
.irq = AT572D940HF_ID_IRQ1,
.platform_data = (void *) &ds1306_data,
},
#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
{ /* Dataflash card */
.modalias = "mtd_dataflash",
.chip_select = 0,
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
},
#endif
};
static void __init eb_board_init(void)
{
/* Serial */
at91_add_device_serial();
/* USB Host */
at91_add_device_usbh(&eb_usbh_data);
/* USB Device */
at91_add_device_udc(&eb_udc_data);
/* I2C */
at91_add_device_i2c(NULL, 0);
/* NOR */
eb_add_device_nor();
/* NAND */
eb_add_device_nand();
/* SPI */
at91_add_device_spi(eb_spi_devices, ARRAY_SIZE(eb_spi_devices));
/* MMC */
at91_add_device_mmc(0, &eb_mmc_data);
/* Ethernet */
at91_add_device_eth(&eb_eth_data);
/* mAgic */
at91_add_device_mAgic();
}
MACHINE_START(AT572D940HFEB, "Atmel AT91D940HF-EB")
/* Maintainer: Atmel <costa.antonior@gmail.com> */
.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 = eb_map_io,
.init_irq = eb_init_irq,
.init_machine = eb_board_init,
MACHINE_END
