Skip to content
Snippets Groups Projects
sama5d4ek.h 5.46 KiB
Newer Older
  • Learn to ignore specific revisions
  • /*
     * Configuration settings for the SAMA5D4EK board.
     *
     * Copyright (C) 2014 Atmel
     *		      Bo Shen <voice.shen@atmel.com>
     *
     * SPDX-License-Identifier:	GPL-2.0+
     */
    
    #ifndef __CONFIG_H
    #define __CONFIG_H
    
    #include <asm/hardware.h>
    
    #define CONFIG_SYS_TEXT_BASE		0x26f00000
    
    /* ARM asynchronous clock */
    #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
    #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
    
    #define CONFIG_ARCH_CPU_INIT
    
    #define CONFIG_SKIP_LOWLEVEL_INIT
    #define CONFIG_BOARD_EARLY_INIT_F
    #define CONFIG_DISPLAY_CPUINFO
    
    #define CONFIG_CMD_BOOTZ
    #define CONFIG_OF_LIBFDT		/* Device Tree support */
    
    #define CONFIG_SYS_GENERIC_BOARD
    
    /* general purpose I/O */
    #define CONFIG_AT91_GPIO
    
    /* serial console */
    #define CONFIG_ATMEL_USART
    #define CONFIG_USART_BASE		ATMEL_BASE_USART3
    #define	CONFIG_USART_ID			ATMEL_ID_USART3
    
    #define CONFIG_BOOTDELAY		3
    
    /*
     * BOOTP options
     */
    #define CONFIG_BOOTP_BOOTFILESIZE
    #define CONFIG_BOOTP_BOOTPATH
    #define CONFIG_BOOTP_GATEWAY
    #define CONFIG_BOOTP_HOSTNAME
    
    /* No NOR flash */
    #define CONFIG_SYS_NO_FLASH
    
    /*
     * Command line configuration.
     */
    #include <config_cmd_default.h>
    #undef CONFIG_CMD_FPGA
    #undef CONFIG_CMD_IMI
    #undef CONFIG_CMD_LOADS
    #define CONFIG_CMD_PING
    #define CONFIG_CMD_DHCP
    #define CONFIG_CMD_SETEXPR
    
    /* SDRAM */
    #define CONFIG_NR_DRAM_BANKS		1
    #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_DDRCS
    #define CONFIG_SYS_SDRAM_SIZE		0x20000000
    
    #define CONFIG_SYS_INIT_SP_ADDR \
    	(CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)
    
    #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
    
    /* SerialFlash */
    #define CONFIG_CMD_SF
    
    #ifdef CONFIG_CMD_SF
    #define CONFIG_ATMEL_SPI
    #define CONFIG_ATMEL_SPI0
    #define CONFIG_SPI_FLASH
    #define CONFIG_SPI_FLASH_ATMEL
    #define CONFIG_SF_DEFAULT_BUS		0
    #define CONFIG_SF_DEFAULT_CS		0
    #define CONFIG_SF_DEFAULT_SPEED		30000000
    #endif
    
    /* NAND flash */
    #define CONFIG_CMD_NAND
    
    #ifdef CONFIG_CMD_NAND
    #define CONFIG_NAND_ATMEL
    #define CONFIG_SYS_MAX_NAND_DEVICE	1
    #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
    /* 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_ONFI_DETECTION
    /* PMECC & PMERRLOC */
    #define CONFIG_ATMEL_NAND_HWECC
    #define CONFIG_ATMEL_NAND_HW_PMECC
    #endif
    
    /* MMC */
    #define CONFIG_CMD_MMC
    
    #ifdef CONFIG_CMD_MMC
    #define CONFIG_MMC
    #define CONFIG_GENERIC_MMC
    #define CONFIG_GENERIC_ATMEL_MCI
    #define ATMEL_BASE_MMCI			ATMEL_BASE_MCI1
    #endif
    
    /* USB */
    #define CONFIG_CMD_USB
    
    #ifdef CONFIG_CMD_USB
    #define CONFIG_USB_EHCI
    #define CONFIG_USB_EHCI_ATMEL
    #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
    #define CONFIG_USB_STORAGE
    #endif
    
    #if defined(CONFIG_CMD_USB) || defined(CONFIG_CMD_MMC)
    #define CONFIG_CMD_FAT
    #define CONFIG_DOS_PARTITION
    #endif
    
    /* Ethernet Hardware */
    #define CONFIG_MACB
    #define CONFIG_RMII
    #define CONFIG_NET_RETRY_COUNT		20
    #define CONFIG_MACB_SEARCH_PHY
    
    /* LCD */
    #define CONFIG_LCD
    #define LCD_BPP				LCD_COLOR16
    #define LCD_OUTPUT_BPP                  18
    #define CONFIG_LCD_LOGO
    #define CONFIG_LCD_INFO
    #define CONFIG_LCD_INFO_BELOW_LOGO
    #define CONFIG_SYS_WHITE_ON_BLACK
    #define CONFIG_ATMEL_HLCD
    #define CONFIG_ATMEL_LCD_RGB565
    #define CONFIG_SYS_CONSOLE_IS_IN_ENV
    
    #ifdef CONFIG_SYS_USE_SERIALFLASH
    /* bootstrap + u-boot + env + linux in serial flash */
    #define CONFIG_ENV_IS_IN_SPI_FLASH
    #define CONFIG_ENV_SPI_BUS	CONFIG_SF_DEFAULT_BUS
    #define CONFIG_ENV_SPI_CS	CONFIG_SF_DEFAULT_CS
    #define CONFIG_ENV_OFFSET       0x10000
    #define CONFIG_ENV_SIZE         0x10000
    #define CONFIG_ENV_SECT_SIZE    0x1000
    #define CONFIG_BOOTCOMMAND      "sf probe 0; " \
    				"sf read 0x21000000 0xa0000 0x60000; " \
    				"sf read 0x22000000 0x100000 0x300000; " \
    				"bootz 0x22000000 - 0x21000000"
    #elif CONFIG_SYS_USE_NANDFLASH
    /* bootstrap + u-boot + env in nandflash */
    #define CONFIG_ENV_IS_IN_NAND
    #define CONFIG_ENV_OFFSET		0xc0000
    #define CONFIG_ENV_OFFSET_REDUND	0x100000
    #define CONFIG_ENV_SIZE			0x20000
    #define CONFIG_BOOTCOMMAND	"nand read 0x21000000 0x180000 0x80000;" \
    				"nand read 0x22000000 0x200000 0x600000;" \
    				"bootz 0x22000000 - 0x21000000"
    #elif CONFIG_SYS_USE_MMC
    /* bootstrap + u-boot + env in sd card */
    #define CONFIG_ENV_IS_IN_FAT
    #define CONFIG_FAT_WRITE
    #define FAT_ENV_INTERFACE	"mmc"
    /*
     * We don't specify the part number, if device 0 has partition table, it means
     * the first partition; it no partition table, then take whole device as a
     * FAT file system.
     */
    #define FAT_ENV_DEVICE_AND_PART	"0"
    #define FAT_ENV_FILE		"uboot.env"
    #define CONFIG_ENV_SIZE		0x4000
    #define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 sama5d4ek.dtb; " \
    				"fatload mmc 0:1 0x22000000 zImage; " \
    				"bootz 0x22000000 - 0x21000000"
    #endif
    
    #ifdef CONFIG_SYS_USE_MMC
    #define CONFIG_BOOTARGS							\
    	"console=ttyS0,115200 earlyprintk "				\
    	"root=/dev/mmcblk0p2 rw rootwait"
    #else
    #define CONFIG_BOOTARGS							\
    	"console=ttyS0,115200 earlyprintk "				\
    	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
    	"256K(env),256k(evn_redundent),256k(spare),"			\
    	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
    	"rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
    #endif
    
    #define CONFIG_BAUDRATE			115200
    
    #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
    #define CONFIG_SYS_HUSH_PARSER
    
    /* Size of malloc() pool */
    #define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
    
    #endif