171 lines
4.9 KiB
C
171 lines
4.9 KiB
C
/*
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* (C) Copyright 2007-2008
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* Stelian Pop <stelian@popies.net>
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* Lead Tech Design <www.leadtechdesign.com>
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*
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* Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __CONFIG_H
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#define __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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/*
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* Warning: changing CONFIG_SYS_TEXT_BASE requires
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* adapting the initial boot program.
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* Since the linker has to swallow that define, we must use a pure
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* hex number here!
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*/
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#define CONFIG_SYS_TEXT_BASE 0x21f00000
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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 18432000 /* main clock xtal */
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/* Define actual evaluation board type from used processor type */
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#ifdef CONFIG_AT91SAM9G20
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# define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */
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#else
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# define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */
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#endif
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/* Misc CPU related */
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#define CONFIG_ARCH_CPU_INIT
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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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/* general purpose I/O */
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#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_BOOTFILESIZE 1
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#define CONFIG_BOOTP_BOOTPATH 1
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#define CONFIG_BOOTP_GATEWAY 1
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#define CONFIG_BOOTP_HOSTNAME 1
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/*
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* SDRAM: 1 bank, min 32, max 128 MB
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* Initialized before u-boot gets started.
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*/
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#define CONFIG_NR_DRAM_BANKS 1
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#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
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#define CONFIG_SYS_SDRAM_SIZE 0x04000000
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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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#ifdef CONFIG_AT91SAM9XE
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# define CONFIG_SYS_INIT_SP_ADDR \
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(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
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#else
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# define CONFIG_SYS_INIT_SP_ADDR \
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(ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
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#endif
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/*
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* The (arm)linux board id set by generic code depending on configured board
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* (see boards.cfg for different boards)
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*/
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#ifdef CONFIG_AT91SAM9G20
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/* the sam9g20 variants have two different board ids */
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# ifdef CONFIG_AT91SAM9G20EK_2MMC
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/* we may be setup for the 2MMC variant of at91sam9g20ek */
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# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
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# else
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/* or the normal at91sam9g20ek */
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# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
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# endif
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#else
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/* otherwise default to good old at91sam9260ek */
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# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
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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_SYS_MAX_NAND_DEVICE 1
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#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
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#define CONFIG_SYS_NAND_DBW_8
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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_PIN_PC14
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#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
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#endif
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/* USB */
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#define CONFIG_USB_ATMEL
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#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
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#define CONFIG_USB_OHCI_NEW 1
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#define CONFIG_SYS_USB_OHCI_CPU_INIT 1
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#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
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#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
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#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
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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 0x23e00000
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#ifdef CONFIG_SYS_USE_DATAFLASH_CS0
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/* bootstrap + u-boot + env + linux in dataflash on CS0 */
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#define CONFIG_ENV_OFFSET 0x4200
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#define CONFIG_ENV_SIZE 0x4200
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#define CONFIG_ENV_SECT_SIZE 0x210
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#define CONFIG_ENV_SPI_MAX_HZ 15000000
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#define CONFIG_BOOTCOMMAND "sf probe 0:0; " \
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"sf read 0x22000000 0x84000 0x294000; " \
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"bootm 0x22000000"
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#elif CONFIG_SYS_USE_DATAFLASH_CS1
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#define CONFIG_ENV_OFFSET 0x4200
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#define CONFIG_ENV_SIZE 0x4200
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#define CONFIG_ENV_SECT_SIZE 0x210
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#define CONFIG_ENV_SPI_MAX_HZ 15000000
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#define CONFIG_BOOTCOMMAND "sf probe 0:1; " \
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"sf read 0x22000000 0x84000 0x294000; " \
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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_OFFSET 0x120000
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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 "nand read 0x22000000 0x200000 0x300000; bootm"
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#else /* CONFIG_SYS_USE_MMC */
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/* bootstrap + u-boot + env + linux 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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"fatload mmc 0:1 0x22000000 uImage; bootm"
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#endif
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#define CONFIG_SYS_LONGHELP 1
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#define CONFIG_CMDLINE_EDITING 1
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#define CONFIG_AUTO_COMPLETE
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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 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
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#endif
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