/*
 * (C) Copyright 2007-2008
 * Stelian Pop <stelian@popies.net>
 * Lead Tech Design <www.leadtechdesign.com>
 *
 * Configuation settings for the AT91SAM9261EK board.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
#define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* 18.432 MHz crystal */

#ifdef CONFIG_AT91SAM9G10
#define CONFIG_AT91SAM9G10EK		/* It's an Atmel AT91SAM9G10 EK*/
#else
#define CONFIG_AT91SAM9261EK		/* It's an Atmel AT91SAM9261 EK*/
#endif

#include <asm/hardware.h>

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

#define CONFIG_SKIP_LOWLEVEL_INIT

#define CONFIG_ATMEL_LEGACY
#define CONFIG_SYS_TEXT_BASE		0x21f00000

/*
 * Hardware drivers
 */

/* LCD */
#define LCD_BPP				LCD_COLOR8
#define CONFIG_LCD_LOGO
#undef LCD_TEST_PATTERN
#define CONFIG_LCD_INFO
#define CONFIG_LCD_INFO_BELOW_LOGO
#define CONFIG_ATMEL_LCD
#ifdef CONFIG_AT91SAM9261EK
#define CONFIG_ATMEL_LCD_BGR555
#endif

/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME

/* SDRAM */
#define CONFIG_NR_DRAM_BANKS		1
#define CONFIG_SYS_SDRAM_BASE		0x20000000
#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			0x40000000
#define CONFIG_SYS_NAND_DBW_8
/* our ALE is AD22 */
#define CONFIG_SYS_NAND_MASK_ALE		(1 << 22)
/* our CLE is AD21 */
#define CONFIG_SYS_NAND_MASK_CLE		(1 << 21)
#define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PC14
#define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PC15

#endif

/* Ethernet */
#define CONFIG_DRIVER_DM9000
#define CONFIG_DM9000_BASE		0x30000000
#define DM9000_IO			CONFIG_DM9000_BASE
#define DM9000_DATA			(CONFIG_DM9000_BASE + 4)
#define CONFIG_DM9000_USE_16BIT
#define CONFIG_DM9000_NO_SROM
#define CONFIG_NET_RETRY_COUNT		20
#define CONFIG_RESET_PHY_R

/* USB */
#define CONFIG_USB_ATMEL
#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
#define CONFIG_USB_OHCI_NEW
#define CONFIG_SYS_USB_OHCI_CPU_INIT
#define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9261_UHP_BASE */
#ifdef CONFIG_AT91SAM9G10EK
#define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9g10"
#else
#define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9261"
#endif
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2

#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_CS0

/* 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_DATAFLASH_CS3

/* bootstrap + u-boot + env + linux in dataflash on CS3 */
#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 0:3; " \
				"sf read 0x22000000 0x84000 0x294000; " \
				"bootm 0x22000000"

#else /* 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 0x300000; bootm"
#endif

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

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

#endif
