/*
 * (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>

/* 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

/*
 * Hardware drivers
 */

/* 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_ATMEL_LCD		1
#define CONFIG_ATMEL_LCD_RGB565		1
/* Let board_init_f handle the framebuffer allocation */
#undef CONFIG_FB_ADDR

/* 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 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)

/* 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

/* 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_OFFSET	0x4200
#define CONFIG_ENV_SIZE		0x4200
#define CONFIG_ENV_SECT_SIZE	0x210
#define CONFIG_ENV_SPI_MAX_HZ	15000000
#define CONFIG_BOOTCOMMAND	"sf probe 0; " \
				"sf read 0x22000000 0x84000 0x294000; " \
				"bootm 0x22000000"

#elif CONFIG_SYS_USE_NANDFLASH

/* bootstrap + u-boot + env + linux in nandflash */
#define CONFIG_ENV_OFFSET		0x120000
#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"

#else /* CONFIG_SYS_USE_MMC */

/* bootstrap + u-boot + env + linux in mmc */
#define CONFIG_ENV_SIZE		0x4000
#define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
				"fatload mmc 0:1 0x22000000 zImage; " \
				"bootz 0x22000000 - 0x21000000"
#endif

#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
