/*
   * (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_DISPLAY_CPUINFO
  
  #define CONFIG_OF_LIBFDT
  
  #define CONFIG_SYS_GENERIC_BOARD
  
  #define CONFIG_ATMEL_LEGACY
  #define CONFIG_SYS_TEXT_BASE		0x21f00000
  
  /*
   * Hardware drivers
   */
  
  /* gpio */
  #define CONFIG_AT91_GPIO
  #define CONFIG_AT91_GPIO_PULLUP		1
  
  /* 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 CONFIG_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_SYS_WHITE_ON_BLACK
  #define CONFIG_ATMEL_LCD
  #ifdef CONFIG_AT91SAM9261EK
  #define CONFIG_ATMEL_LCD_BGR555
  #endif
  
  #define CONFIG_SYS_CONSOLE_IS_IN_ENV
  
  /* LED */
  #define CONFIG_AT91_LED
  #define	CONFIG_RED_LED		AT91_PIN_PA23	/* this is the power led */
  #define	CONFIG_GREEN_LED	AT91_PIN_PA13	/* this is the user1 led */
  #define	CONFIG_YELLOW_LED	AT91_PIN_PA14	/* this is the user2 led */
  
  #define CONFIG_BOOTDELAY	3
  
  /*
   * BOOTP options
   */
  #define CONFIG_BOOTP_BOOTFILESIZE
  #define CONFIG_BOOTP_BOOTPATH
  #define CONFIG_BOOTP_GATEWAY
  #define CONFIG_BOOTP_HOSTNAME
  
  /*
   * Command line configuration.
   */
  #include <config_cmd_default.h>
  #undef CONFIG_CMD_BDI
  #undef CONFIG_CMD_FPGA
  #undef CONFIG_CMD_IMI
  #undef CONFIG_CMD_IMLS
  #undef CONFIG_CMD_LOADS
  #undef CONFIG_CMD_SOURCE
  
  #define CONFIG_CMD_PING
  #define CONFIG_CMD_DHCP
  #define CONFIG_CMD_NAND
  #define CONFIG_CMD_USB
  
  /* 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 + 0x1000 - GENERATED_GBL_DATA_SIZE)
  
  /* DataFlash */
  #define CONFIG_ATMEL_DATAFLASH_SPI
  #define CONFIG_HAS_DATAFLASH
  #define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
  #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
  #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3	0xD0000000	/* CS3 */
  #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			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
  
  /* NOR flash - no real flash on this board */
  #define CONFIG_SYS_NO_FLASH
  
  /* 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_DOS_PARTITION
  #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_USB_STORAGE
  #define CONFIG_CMD_FAT
  
  #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_IS_IN_DATAFLASH
  #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_DATAFLASH_CS3
  
  /* bootstrap + u-boot + env + linux in dataflash on CS3 */
  #define CONFIG_ENV_IS_IN_DATAFLASH
  #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 + 0x8400)
  #define CONFIG_ENV_OFFSET	0x4200
  #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 + CONFIG_ENV_OFFSET)
  #define CONFIG_ENV_SIZE		0x4200
  #define CONFIG_BOOTCOMMAND	"cp.b 0xD0084000 0x22000000 0x210000; bootm"
  #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
  				"root=/dev/mtdblock0 "			\
  				"mtdparts=atmel_nand:-(root) "		\
  				"rw rootfstype=jffs2"
  
  #else /* CONFIG_SYS_USE_NANDFLASH */
  
  /* bootstrap + u-boot + env + linux in nandflash */
  #define CONFIG_ENV_IS_IN_NAND
  #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 0x300000; bootm"
  #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) "				\
  	"root=/dev/mtdblock7 rw rootfstype=jffs2"
  #endif
  
  #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
  #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