upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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245 lines
7.1 KiB
245 lines
7.1 KiB
/*
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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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* (C) Copyright 2010
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* Achim Ehrlich <aehrlich@taskit.de>
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* taskit GmbH <www.taskit.de>
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*
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* (C) Copyright 2012
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* Markus Hubig <mhubig@imko.de>
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* IMKO GmbH <www.imko.de>
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*
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* Configuation settings for the stamp9g20 CPU module.
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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 adapting the initial boot
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* program. 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 0x23f00000
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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 /* 18.432MHz crystal */
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/* misc settings */
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#define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */
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#define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */
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#define CONFIG_INITRD_TAG /* pass initrd param to kernel */
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#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */
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#define CONFIG_BOARD_EARLY_INIT_f /* call board_early_init_f() */
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#define CONFIG_BOARD_POSTCLK_INIT /* call board_postclk_init() */
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#define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */
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/* setting board specific options */
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#ifdef CONFIG_PORTUXG20
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# define CONFIG_MACH_TYPE MACH_TYPE_PORTUXG20
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# define CONFIG_MACB
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#else
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# define CONFIG_MACH_TYPE MACH_TYPE_STAMP9G20
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#endif
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/*
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* SDRAM: 1 bank, 64 MB, base address 0x20000000
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* Already 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 (64 << 20)
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/*
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* Perform a SDRAM Memtest from the start of SDRAM
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* till the beginning of the U-Boot position in RAM.
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*/
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#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
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#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - 0x100000)
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/* Size of malloc() pool */
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#define CONFIG_SYS_MALLOC_LEN \
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ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000)
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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 that
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* 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_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
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/* NAND flash settings */
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#define CONFIG_NAND_ATMEL
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#define CONFIG_SYS_NO_FLASH
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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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/* general purpose I/O */
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#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
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#define CONFIG_AT91_GPIO /* enable the GPIO features */
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#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
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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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/* LED configuration */
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#define CONFIG_STATUS_LED
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#define CONFIG_BOARD_SPECIFIC_LED
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/* The LED PINs */
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#define CONFIG_RED_LED AT91_PIN_PC5
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#define CONFIG_GREEN_LED AT91_PIN_PC4
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#define CONFIG_YELLOW_LED AT91_PIN_PC10
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#define STATUS_LED_RED 0
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#define STATUS_LED_GREEN 1
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#define STATUS_LED_YELLOW 2
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/* Red LED */
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#define STATUS_LED_BIT STATUS_LED_RED
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#define STATUS_LED_STATE STATUS_LED_OFF
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#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
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/* Green LED */
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#define STATUS_LED_BIT1 STATUS_LED_GREEN
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#define STATUS_LED_STATE1 STATUS_LED_ON
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#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
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/* Yellow LED */
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#define STATUS_LED_BIT2 STATUS_LED_YELLOW
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#define STATUS_LED_STATE2 STATUS_LED_OFF
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#define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2)
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/* Boot status LED */
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#define STATUS_LED_BOOT STATUS_LED_GREEN
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/*
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* Ethernet configuration
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*
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* PortuxG20 has always ethernet but for Stamp9G20 you
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* can enable it here if your baseboard features ethernet.
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*/
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#define CONFIG_MACB
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#define CONFIG_USB_HOST_ETHER
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#define CONFIG_USB_ETHER_ASIX
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#define CONFIG_USB_ETHER_MCS7830
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#ifdef CONFIG_MACB
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# define CONFIG_RMII /* use reduced MII inteface */
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# define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */
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#define CONFIG_AT91_WANTS_COMMON_PHY
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/* BOOTP and DHCP options */
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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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# define CONFIG_NFSBOOTCOMMAND \
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"setenv autoload yes; setenv autoboot yes; " \
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"setenv bootargs ${basicargs} ${mtdparts} " \
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"root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \
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"dhcp"
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#endif /* CONFIG_MACB */
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/* Enable the watchdog */
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#define CONFIG_AT91SAM9_WATCHDOG
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#define CONFIG_HW_WATCHDOG
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/* USB configuration */
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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
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#define CONFIG_USB_STORAGE
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#define CONFIG_DOS_PARTITION
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#define CONFIG_SYS_USB_OHCI_CPU_INIT
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#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_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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/* General Boot Parameter */
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#define CONFIG_BOOTDELAY 3
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#define CONFIG_BOOTCOMMAND "run flashboot"
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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 \
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(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_CMDLINE_EDITING
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/*
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* RAM Memory address where to put the
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* Linux Kernel befor starting.
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*/
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#define CONFIG_SYS_LOAD_ADDR 0x22000000
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/*
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* The NAND Flash partitions:
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* ==========================================
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* 0x0000000-0x001ffff -> 128k, bootstrap
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* 0x0020000-0x005ffff -> 256k, u-boot
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* 0x0060000-0x007ffff -> 128k, env1
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* 0x0080000-0x009ffff -> 128k, env2 (backup)
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* 0x0100000-0x06fffff -> 6M, kernel
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* 0x0700000-0x8000000 -> 121M, RootFS
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*/
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#define CONFIG_ENV_IS_IN_NAND
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#define CONFIG_ENV_OFFSET ((128 + 256) << 10)
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#define CONFIG_ENV_OFFSET_REDUND ((128 + 256 + 128) << 10)
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#define CONFIG_ENV_SIZE (128 << 10)
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/*
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* Predefined environment variables.
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* Usefull to define some easy to use boot commands.
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*/
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#define CONFIG_EXTRA_ENV_SETTINGS \
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\
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"basicargs=console=ttyS0,115200\0" \
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\
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"mtdparts=mtdparts=atmel_nand:128k(bootstrap)ro," \
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"256k(uboot)ro,128k(env1)ro," \
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"128k(env2)ro,6M(linux),-(root)rw\0" \
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\
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"flashboot=setenv bootargs ${basicargs} ${mtdparts} " \
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"root=/dev/mtdblock5 rootfstype=jffs2; " \
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"nand read 0x22000000 0x100000 0x600000; " \
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"bootm 22000000\0" \
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\
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"sdboot=setenv bootargs ${basicargs} ${mtdparts} " \
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"root=/dev/mmcblk0p1 rootwait; " \
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"nand read 0x22000000 0x100000 0x600000; " \
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"bootm 22000000"
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/* Command line & features configuration */
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#define CONFIG_CMD_NAND
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#define CONFIG_CMD_USB
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#define CONFIG_CMD_FAT
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#define CONFIG_CMD_LED
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#ifdef CONFIG_MACB
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# define CONFIG_CMD_PING
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# define CONFIG_CMD_DHCP
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#endif /* CONFIG_MACB */
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#endif /* __CONFIG_H */
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