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Commit c9a8fdd8 authored by Andrew Victor's avatar Andrew Victor Committed by Russell King
Browse files

ARM: 5851/1: [AT91] AT572D940HF-EK board support 



Add support for the Atmel AT572D940HF-EK board (development board for
the AT572D940HF processor).

Signed-off-by: default avatarAntonio R. Costa <costa.antonior@gmail.com>
Signed-off-by: default avatarAndrew Victor <linux@maxim.org.za>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 5e38efae

arch/arm/configs/at572d940hfek_defconfig

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File added.

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arch/arm/mach-at91/Kconfig

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@@ -396,6 +396,23 @@ endif 


# ----------------------------------------------------------



if ARCH_AT572D940HF



comment "AT572D940HF Board Type"



config MACH_AT572D940HFEB

	bool "AT572D940HF-EK"

	depends on ARCH_AT572D940HF

	select HAVE_AT91_DATAFLASH_CARD

	select HAVE_NAND_ATMEL_BUSWIDTH_16

	help

	  Select this if you are using Atmel's AT572D940HF-EK evaluation kit.

	  <http://www.atmel.com/products/diopsis/default.asp>



endif



# ----------------------------------------------------------



if ARCH_AT91X40



comment "AT91X40 Board Type"

arch/arm/mach-at91/Makefile

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@@ -70,6 +70,9 @@ obj-$(CONFIG_MACH_AT91SAM9G45EKES) += board-sam9m10g45ek.o 
# AT91CAP9 board-specific support

obj-$(CONFIG_MACH_AT91CAP9ADK)	+= board-cap9adk.o



# AT572D940HF board-specific support

obj-$(CONFIG_MACH_AT572D940HFEB) += board-at572d940hf_ek.o



# AT91X40 board-specific support

obj-$(CONFIG_MACH_AT91EB01)	+= board-eb01.o

arch/arm/mach-at91/board-at572d940hf_ek.c

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/*

 * 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