233 lines
6.6 KiB
C
233 lines
6.6 KiB
C
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/*
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* (C) Copyright 2013 Atmel Corporation.
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* Josh Wu <josh.wu@atmel.com>
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*
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* Configuation settings for the AT91SAM9N12-EK boards.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __AT91SAM9N12_CONFIG_H_
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#define __AT91SAM9N12_CONFIG_H_
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/*
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* SoC must be defined first, before hardware.h is included.
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* In this case SoC is defined in boards.cfg.
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*/
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#include <asm/hardware.h>
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#define CONFIG_SYS_TEXT_BASE 0x26f00000
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#define CONFIG_ARM926EJS
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#define CONFIG_AT91FAMILY
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/* ARM asynchronous clock */
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#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
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#define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */
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#define CONFIG_SYS_HZ 1000
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/* Misc CPU related */
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#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_INITRD_TAG
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#define CONFIG_SKIP_LOWLEVEL_INIT
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#define CONFIG_BOARD_EARLY_INIT_F
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#define CONFIG_DISPLAY_CPUINFO
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#define CONFIG_OF_LIBFDT
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/* general purpose I/O */
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#define CONFIG_AT91_GPIO
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/* serial console */
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#define CONFIG_ATMEL_USART
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#define CONFIG_USART_BASE ATMEL_BASE_DBGU
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#define CONFIG_USART_ID ATMEL_ID_SYS
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#define CONFIG_BAUDRATE 115200
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/* LCD */
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#define CONFIG_LCD
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#define LCD_BPP LCD_COLOR16
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#define LCD_OUTPUT_BPP 24
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#define CONFIG_LCD_LOGO
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#define CONFIG_LCD_INFO
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#define CONFIG_LCD_INFO_BELOW_LOGO
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#define CONFIG_SYS_WHITE_ON_BLACK
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#define CONFIG_ATMEL_HLCD
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#define CONFIG_ATMEL_LCD_RGB565
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#define CONFIG_SYS_CONSOLE_IS_IN_ENV
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#define CONFIG_BOOTDELAY 3
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_BOOTFILESIZE
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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/* NOR flash - no real flash on this board */
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#define CONFIG_SYS_NO_FLASH
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/*
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* Command line configuration.
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*/
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#include <config_cmd_default.h>
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#undef CONFIG_CMD_FPGA
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#define CONFIG_CMD_BOOTZ
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#define CONFIG_CMD_PING
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#define CONFIG_CMD_DHCP
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#define CONFIG_CMD_NAND
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#define CONFIG_CMD_SF
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#define CONFIG_CMD_MMC
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#define CONFIG_CMD_FAT
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#define CONFIG_NR_DRAM_BANKS 1
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#define CONFIG_SYS_SDRAM_BASE 0x20000000
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#define CONFIG_SYS_SDRAM_SIZE 0x08000000
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/*
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* Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
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* leaving the correct space for initial global data structure above
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* that address while providing maximum stack area below.
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*/
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# define CONFIG_SYS_INIT_SP_ADDR \
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(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
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/* DataFlash */
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#ifdef CONFIG_CMD_SF
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#define CONFIG_ATMEL_SPI
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#define CONFIG_SPI_FLASH
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#define CONFIG_SPI_FLASH_ATMEL
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#define CONFIG_SF_DEFAULT_SPEED 30000000
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#define CONFIG_ENV_SPI_MODE SPI_MODE_3
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#define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
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#endif
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/* NAND flash */
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#ifdef CONFIG_CMD_NAND
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#define CONFIG_NAND_ATMEL
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#define CONFIG_SYS_MAX_NAND_DEVICE 1
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#define CONFIG_SYS_NAND_BASE 0x40000000
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#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
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#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
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#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIO_PORTD, 4
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#define CONFIG_SYS_NAND_READY_PIN AT91_PIO_PORTD, 5
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/* PMECC & PMERRLOC */
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#define CONFIG_ATMEL_NAND_HWECC
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#define CONFIG_ATMEL_NAND_HW_PMECC
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#define CONFIG_PMECC_CAP 2
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#define CONFIG_PMECC_SECTOR_SIZE 512
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#define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000
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#endif
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#define CONFIG_MTD_PARTITIONS
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#define CONFIG_MTD_DEVICE
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#define CONFIG_CMD_MTDPARTS
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#define MTDIDS_DEFAULT "nand0=atmel_nand"
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#define MTDPARTS_DEFAULT \
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"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
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"256k(env),256k(env_redundant),256k(spare)," \
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"512k(dtb),6M(kernel)ro,-(rootfs)"
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"console=console=ttyS0,115200\0" \
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"mtdparts="MTDPARTS_DEFAULT"\0" \
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"bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
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"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
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/* MMC */
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#ifdef CONFIG_CMD_MMC
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#define CONFIG_MMC
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#define CONFIG_GENERIC_MMC
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#define CONFIG_GENERIC_ATMEL_MCI
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#endif
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/* FAT */
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#ifdef CONFIG_CMD_FAT
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#define CONFIG_DOS_PARTITION
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#endif
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#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
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#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
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#define CONFIG_SYS_MEMTEST_END 0x26e00000
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#ifdef CONFIG_SYS_USE_SPIFLASH
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/* bootstrap + u-boot + env + linux in dataflash on CS0 */
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#define CONFIG_ENV_IS_IN_SPI_FLASH
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#define CONFIG_ENV_OFFSET 0x5000
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#define CONFIG_ENV_SIZE 0x3000
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#define CONFIG_ENV_SECT_SIZE 0x1000
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#define CONFIG_BOOTCOMMAND \
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"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \
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"sf probe 0; sf read 0x22000000 0x100000 0x300000; " \
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"bootm 0x22000000"
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#elif defined(CONFIG_SYS_USE_NANDFLASH)
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/* bootstrap + u-boot + env + linux in nandflash */
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#define CONFIG_ENV_IS_IN_NAND
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#define CONFIG_ENV_OFFSET 0xc0000
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#define CONFIG_ENV_OFFSET_REDUND 0x100000
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#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
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#define CONFIG_BOOTCOMMAND \
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"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \
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"nand read 0x21000000 0x180000 0x080000;" \
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"nand read 0x22000000 0x200000 0x400000;" \
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"bootm 0x22000000 - 0x21000000"
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#else /* CONFIG_SYS_USE_MMC */
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/* bootstrap + u-boot + env + linux in mmc */
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#define CONFIG_ENV_IS_IN_MMC
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/* For FAT system, most cases it should be in the reserved sector */
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#define CONFIG_ENV_OFFSET 0x2000
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#define CONFIG_ENV_SIZE 0x1000
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#define CONFIG_SYS_MMC_ENV_DEV 0
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#define CONFIG_BOOTCOMMAND \
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"setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \
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"fatload mmc 0:1 0x21000000 dtb;" \
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"fatload mmc 0:1 0x22000000 uImage;" \
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"bootm 0x22000000 - 0x21000000"
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#endif
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#define CONFIG_SYS_PROMPT "U-Boot> "
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#define CONFIG_SYS_CBSIZE 256
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#define CONFIG_SYS_MAXARGS 16
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) \
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+ 16)
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_CMDLINE_EDITING
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#define CONFIG_AUTO_COMPLETE
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#define CONFIG_SYS_HUSH_PARSER
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/*
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* Size of malloc() pool
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*/
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#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
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#define CONFIG_STACKSIZE (32 * 1024) /* regular stack */
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#endif
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