/*
 * (C) Copyright 2007-2008
 * Stelian Pop <stelian.pop@leadtechdesign.com>
 * Lead Tech Design <www.leadtechdesign.com>
 *
 * Configuation settings for the AT91SAM9RLEK board.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/* ARM asynchronous clock */
#define AT91_CPU_NAME		"AT91SAM9RL"
#define AT91_MAIN_CLOCK		12000000	/* 12 MHz crystal */
#define AT91_MASTER_CLOCK	100000000	/* peripheral */
#define AT91_CPU_CLOCK		200000000	/* cpu */
#define CONFIG_SYS_HZ		1000000		/* 1us resolution */

#define AT91_SLOW_CLOCK		32768	/* slow clock */

#define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
#define CONFIG_AT91SAM9RL	1	/* It's an Atmel AT91SAM9RL SoC*/
#define CONFIG_AT91SAM9RLEK	1	/* on an AT91SAM9RLEK Board	*/
#undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/

#define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG	1

#define CONFIG_SKIP_LOWLEVEL_INIT
#define CONFIG_SKIP_RELOCATE_UBOOT

/*
 * Hardware drivers
 */
#define CONFIG_ATMEL_USART	1
#undef CONFIG_USART0
#undef CONFIG_USART1
#undef CONFIG_USART2
#define CONFIG_USART3		1	/* USART 3 is DBGU */

/* LCD */
#define CONFIG_LCD			1
#define LCD_BPP				LCD_COLOR8
#define CONFIG_LCD_LOGO			1
#undef LCD_TEST_PATTERN
#define CONFIG_LCD_INFO			1
#define CONFIG_LCD_INFO_BELOW_LOGO	1
#define CONFIG_SYS_WHITE_ON_BLACK		1
#define CONFIG_ATMEL_LCD		1
#define CONFIG_ATMEL_LCD_RGB565		1
#define CONFIG_SYS_CONSOLE_IS_IN_ENV		1

/* LED */
#define CONFIG_AT91_LED
#define	CONFIG_RED_LED		AT91_PIN_PD14	/* this is the power led */
#define	CONFIG_GREEN_LED	AT91_PIN_PD15	/* this is the user1 led */
#define	CONFIG_YELLOW_LED	AT91_PIN_PD16	/* this is the user2 led */

#define CONFIG_BOOTDELAY	3

/*
 * Command line configuration.
 */
#include <config_cmd_default.h>
#undef CONFIG_CMD_BDI
#undef CONFIG_CMD_IMI
#undef CONFIG_CMD_AUTOSCRIPT
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_IMLS
#undef CONFIG_CMD_NET
#undef CONFIG_CMD_USB

#define CONFIG_CMD_NAND		1

/* SDRAM */
#define CONFIG_NR_DRAM_BANKS		1
#define PHYS_SDRAM			0x20000000
#define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */

/* DataFlash */
#define CONFIG_HAS_DATAFLASH		1
#define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
#define CONFIG_SYS_MAX_DATAFLASH_BANKS		1
#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
#define AT91_SPI_CLK			15000000
#define DATAFLASH_TCSS			(0x1a << 16)
#define DATAFLASH_TCHS			(0x1 << 24)

/* NOR flash - not present */
#define CONFIG_SYS_NO_FLASH			1

/* NAND flash */
#ifdef CONFIG_CMD_NAND
#define CONFIG_NAND_ATMEL
#define CONFIG_SYS_MAX_NAND_DEVICE		1
#define CONFIG_SYS_NAND_BASE			0x40000000
#define CONFIG_SYS_NAND_DBW_8			1
/* our ALE is AD21 */
#define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
/* our CLE is AD22 */
#define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
#define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PB6
#define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD17
#endif

/* Ethernet - not present */

/* USB - not supported */

#define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */

#define CONFIG_SYS_MEMTEST_START		PHYS_SDRAM
#define CONFIG_SYS_MEMTEST_END			0x23e00000

#ifdef CONFIG_SYS_USE_DATAFLASH

/* bootstrap + u-boot + env + linux in dataflash on CS0 */
#define CONFIG_ENV_IS_IN_DATAFLASH	1
#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
#define CONFIG_ENV_OFFSET		0x4200
#define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
#define CONFIG_ENV_SIZE		0x4200
#define CONFIG_BOOTCOMMAND	"cp.b 0xC0042000 0x22000000 0x210000; bootm"
#define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
				"root=/dev/mtdblock0 " \
				"mtdparts=at91_nand:-(root) "\
				"rw rootfstype=jffs2"

#else /* CONFIG_SYS_USE_NANDFLASH */

/* bootstrap + u-boot + env + linux in nandflash */
#define CONFIG_ENV_IS_IN_NAND	1
#define CONFIG_ENV_OFFSET		0x60000
#define CONFIG_ENV_OFFSET_REDUND	0x80000
#define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
#define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
#define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
				"root=/dev/mtdblock5 " \
				"mtdparts=at91_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \
				"rw rootfstype=jffs2"

#endif

#define CONFIG_BAUDRATE		115200
#define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }

#define CONFIG_SYS_PROMPT		"U-Boot> "
#define CONFIG_SYS_CBSIZE		256
#define CONFIG_SYS_MAXARGS		16
#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_LONGHELP		1
#define CONFIG_CMDLINE_EDITING	1

#define ROUND(A, B)		(((A) + (B)) & ~((B) - 1))
/*
 * Size of malloc() pool
 */
#define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
#define CONFIG_SYS_GBL_DATA_SIZE	128	/* 128 bytes for initial data */

#define CONFIG_STACKSIZE	(32*1024)	/* regular stack */

#ifdef CONFIG_USE_IRQ
#error CONFIG_USE_IRQ not supported
#endif

#endif