mirror of
https://github.com/AsahiLinux/u-boot
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857b9cb69f
Though nios2-generic board meant to be a template, it is helpful to be able to test on a real hardware. As the nios2 linux is developed and tested on a 3c120 FPGA based Golden Hardware Reference Design, it makes sense to rebase nios2-generic on this FPGA design. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/*
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* (C) Copyright 2005, Psyent Corporation <www.psyent.com>
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* Scott McNutt <smcnutt@psyent.com>
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* (C) Copyright 2010, Thomas Chou <thomas@wytron.com.tw>
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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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* BOARD/CPU
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*/
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#include "../board/altera/nios2-generic/custom_fpga.h" /* fpga parameters */
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#define CONFIG_BOARD_NAME "nios2-generic" /* custom board name */
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#define CONFIG_BOARD_EARLY_INIT_F /* enable early board-spec. init */
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#define CONFIG_DISPLAY_CPUINFO
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#define CONFIG_DISPLAY_BOARDINFO
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#define CONFIG_SYS_NIOS_SYSID_BASE CONFIG_SYS_SYSID_BASE
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/*
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* SERIAL
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*/
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#define CONFIG_ALTERA_JTAG_UART
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#if defined(CONFIG_ALTERA_JTAG_UART)
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# define CONFIG_SYS_NIOS_CONSOLE CONFIG_SYS_JTAG_UART_BASE
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#else
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# define CONFIG_SYS_NIOS_CONSOLE CONFIG_SYS_UART_BASE
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#endif
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#define CONFIG_ALTERA_JTAG_UART_BYPASS
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#define CONFIG_SYS_NIOS_FIXEDBAUD
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#define CONFIG_BAUDRATE CONFIG_SYS_UART_BAUD
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#define CONFIG_SYS_BAUDRATE_TABLE {CONFIG_BAUDRATE}
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#define CONFIG_SYS_CONSOLE_INFO_QUIET /* Suppress console info */
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/*
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* TIMER
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*/
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#define CONFIG_SYS_LOW_RES_TIMER
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#define CONFIG_SYS_NIOS_TMRBASE CONFIG_SYS_TIMER_BASE
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#define CONFIG_SYS_NIOS_TMRIRQ CONFIG_SYS_TIMER_IRQ
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#define CONFIG_SYS_NIOS_TMRMS 10 /* Desired period (msec)*/
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#define CONFIG_SYS_NIOS_TMRCNT \
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(CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_TIMER_FREQ / 1000) - 1)
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/*
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* STATUS LED
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*/
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#define CONFIG_ALTERA_PIO
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#define CONFIG_SYS_ALTERA_PIO_NUM 1
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#define CONFIG_SYS_ALTERA_PIO_GPIO_NUM LED_PIO_WIDTH
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#define CONFIG_STATUS_LED /* Enable status driver */
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#define CONFIG_BOARD_SPECIFIC_LED
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#define CONFIG_GPIO_LED /* Enable GPIO LED driver */
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#define CONFIG_GPIO /* Enable GPIO driver */
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#define LED_PIO_BASE USER_LED_PIO_8OUT_BASE
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#define LED_PIO_WIDTH 8
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#define LED_PIO_RSTVAL 0xff
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#define STATUS_LED_BIT 0 /* Bit-0 on GPIO */
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#define STATUS_LED_STATE 1 /* Blinking */
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#define STATUS_LED_PERIOD (500 / CONFIG_SYS_NIOS_TMRMS) /* 500 msec */
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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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/*
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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_BOOTD
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#undef CONFIG_CMD_FPGA
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#undef CONFIG_CMD_IMLS
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#undef CONFIG_CMD_ITEST
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#undef CONFIG_CMD_NFS
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#undef CONFIG_CMD_SETGETDCR
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#undef CONFIG_CMD_XIMG
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#ifdef CONFIG_CMD_NET
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# define CONFIG_CMD_DHCP
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# define CONFIG_CMD_PING
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#endif
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#define CONFIG_OF_LIBFDT
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#define CONFIG_OF_BOARD_SETUP
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#define CONFIG_LMB
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/*
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* ENVIRONMENT -- Put environment in sector CONFIG_SYS_MONITOR_LEN above
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* CONFIG_SYS_RESET_ADDR, since we assume the monitor is stored at the
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* reset address, no? This will keep the environment in user region
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* of flash. NOTE: the monitor length must be multiple of sector size
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* (which is common practice).
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*/
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#define CONFIG_ENV_IS_IN_FLASH
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#define CONFIG_ENV_SIZE 0x20000 /* 128k, 1 sector */
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#define CONFIG_ENV_OVERWRITE /* Serial change Ok */
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#define CONFIG_ENV_ADDR ((CONFIG_SYS_RESET_ADDR + \
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CONFIG_SYS_MONITOR_LEN) | \
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CONFIG_SYS_FLASH_BASE)
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/*
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* MEMORY ORGANIZATION
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* -Monitor at top of sdram.
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* -The heap is placed below the monitor
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* -The stack is placed below the heap (&grows down).
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*/
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#define CONFIG_MONITOR_IS_IN_RAM
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#define CONFIG_SYS_MONITOR_LEN 0x40000 /* Reserve 256k */
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#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_SDRAM_BASE + \
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CONFIG_SYS_SDRAM_SIZE - \
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CONFIG_SYS_MONITOR_LEN)
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#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 0x20000)
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#define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - \
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CONFIG_SYS_MALLOC_LEN)
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#define CONFIG_SYS_INIT_SP CONFIG_SYS_MALLOC_BASE
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/*
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* MISC
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*/
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#define CONFIG_SYS_LONGHELP /* Provide extended help */
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#define CONFIG_SYS_CBSIZE 256 /* Console I/O buf size */
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#define CONFIG_SYS_MAXARGS 16 /* Max command args */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Bootarg buf size */
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
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sizeof(CONFIG_SYS_PROMPT) + \
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16) /* Print buf size */
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#define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE
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#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
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#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_INIT_SP - 0x20000)
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#define CONFIG_CMDLINE_EDITING
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#define CONFIG_SYS_HUSH_PARSER
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#endif /* __CONFIG_H */
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