/*
 * (C) Copyright 2007-2008
 * Stelian Pop <stelian@popies.net>
 * Lead Tech Design <www.leadtechdesign.com>
 *
 * Configuation settings for the AT91SAM9RLEK board.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __CONFIG_H
#define __CONFIG_H

#include <asm/hardware.h>

#define CONFIG_SYS_TEXT_BASE		0x21F00000

/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
#define CONFIG_SYS_AT91_MAIN_CLOCK	12000000	/* main clock xtal */

#define CONFIG_AT91SAM9RLEK		1	/* It's an AT91SAM9RLEK Board */

#define CONFIG_ARCH_CPU_INIT
#define CONFIG_SKIP_LOWLEVEL_INIT

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

#define CONFIG_ATMEL_LEGACY
#define CONFIG_AT91_GPIO		1
#define CONFIG_AT91_GPIO_PULLUP		1

/*
 * Hardware drivers
 */

/* serial console */
#define CONFIG_ATMEL_USART
#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
#define CONFIG_USART_ID			ATMEL_ID_SYS
#define CONFIG_BAUDRATE			115200

/* LCD */
#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
/* Let board_init_f handle the framebuffer allocation */
#undef CONFIG_FB_ADDR

/* 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 */


/*
 * Command line configuration.
 */

#define CONFIG_CMD_NAND			1

/* SDRAM */
#define CONFIG_NR_DRAM_BANKS		1
#define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
#define CONFIG_SYS_SDRAM_SIZE		0x04000000

#define CONFIG_SYS_INIT_SP_ADDR \
	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)

/* DataFlash */
#define CONFIG_ATMEL_DATAFLASH_SPI
#define CONFIG_HAS_DATAFLASH			1
#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)

/* NAND flash */
#ifdef CONFIG_CMD_NAND
#define CONFIG_NAND_ATMEL
#define CONFIG_SYS_MAX_NAND_DEVICE		1
#define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
#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

/* MMC */

#ifdef CONFIG_CMD_MMC
#define CONFIG_GENERIC_ATMEL_MCI
#endif

/* Ethernet - not present */

/* USB - not supported */

#define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */

#define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
#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 0xC0084000 0x22000000 0x210000; bootm"
#define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
				"root=/dev/mtdblock0 " \
				"mtdparts=atmel_nand:-(root) "\
				"rw rootfstype=jffs2"

#elif CONFIG_SYS_USE_NANDFLASH

/* bootstrap + u-boot + env + linux in nandflash */
#define CONFIG_ENV_IS_IN_NAND		1
#define CONFIG_ENV_OFFSET		0xc0000
#define CONFIG_ENV_OFFSET_REDUND	0x100000
#define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
#define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x600000; "	\
				"nand read 0x21000000 0x180000 0x80000; "	\
				"bootz 0x22000000 - 0x21000000"
#define CONFIG_BOOTARGS		\
				"console=ttyS0,115200 earlyprintk "				\
				"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
				"256K(env),256k(env_redundant),256k(spare),"			\
				"512k(dtb),6M(kernel)ro,-(rootfs) "				\
				"rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"

#else /* CONFIG_SYS_USE_MMC */

/* bootstrap + u-boot + env + linux in mmc */
#define CONFIG_ENV_IS_IN_FAT
#define CONFIG_FAT_WRITE
#define FAT_ENV_INTERFACE	"mmc"
#define FAT_ENV_FILE		"uboot.env"
#define FAT_ENV_DEVICE_AND_PART	"0"
#define CONFIG_ENV_SIZE		0x4000
#define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
				"fatload mmc 0:1 0x22000000 zImage; " \
				"bootz 0x22000000 - 0x21000000"
#define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
				"mtdparts=atmel_nand:" \
				"8M(bootstrap/uboot/kernel)ro,-(rootfs) " \
				"root=/dev/mmcblk0p2 rw rootwait"
#endif

#define CONFIG_SYS_CBSIZE		256
#define CONFIG_SYS_MAXARGS		16
#define CONFIG_SYS_LONGHELP		1
#define CONFIG_CMDLINE_EDITING		1
#define CONFIG_AUTO_COMPLETE

/*
 * Size of malloc() pool
 */
#define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)

#endif
