nios2-generic.h
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/*
* (C) Copyright 2005, Psyent Corporation <www.psyent.com>
* Scott McNutt <smcnutt@psyent.com>
* (C) Copyright 2010, Thomas Chou <thomas@wytron.com.tw>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* BOARD/CPU
*/
#include "../board/altera/nios2-generic/custom_fpga.h" /* fpga parameters */
#define CONFIG_BOARD_NAME "nios2-generic" /* custom board name */
#define CONFIG_BOARD_EARLY_INIT_F /* enable early board-spec. init */
#define CONFIG_SYS_NIOS_SYSID_BASE CONFIG_SYS_SYSID_BASE
/*
* SERIAL
*/
#define CONFIG_ALTERA_UART
#if defined(CONFIG_ALTERA_JTAG_UART)
# define CONFIG_SYS_NIOS_CONSOLE CONFIG_SYS_JTAG_UART_BASE
#else
# define CONFIG_SYS_NIOS_CONSOLE CONFIG_SYS_UART_BASE
#endif
#define CONFIG_ALTERA_JTAG_UART_BYPASS
#define CONFIG_SYS_NIOS_FIXEDBAUD
#define CONFIG_BAUDRATE CONFIG_SYS_UART_BAUD
#define CONFIG_SYS_BAUDRATE_TABLE {CONFIG_BAUDRATE}
#define CONFIG_SYS_CONSOLE_INFO_QUIET /* Suppress console info */
/*
* TIMER
*/
#define CONFIG_SYS_LOW_RES_TIMER
#define CONFIG_SYS_NIOS_TMRBASE CONFIG_SYS_TIMER_BASE
#define CONFIG_SYS_NIOS_TMRIRQ CONFIG_SYS_TIMER_IRQ
#define CONFIG_SYS_HZ 1000 /* Always 1000 */
#define CONFIG_SYS_NIOS_TMRMS 10 /* Desired period (msec)*/
#define CONFIG_SYS_NIOS_TMRCNT \
(CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_TIMER_FREQ / 1000) - 1)
/*
* STATUS LED
*/
#define CONFIG_ALTERA_PIO
#define CONFIG_SYS_ALTERA_PIO_NUM 1
#define CONFIG_SYS_ALTERA_PIO_GPIO_NUM LED_PIO_WIDTH
#define CONFIG_STATUS_LED /* Enable status driver */
#define CONFIG_GPIO_LED /* Enable GPIO LED driver */
#define CONFIG_GPIO /* Enable GPIO driver */
#define STATUS_LED_BIT 0 /* Bit-0 on GPIO */
#define STATUS_LED_STATE 1 /* Blinking */
#define STATUS_LED_PERIOD (500 / CONFIG_SYS_NIOS_TMRMS) /* 500 msec */
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#undef CONFIG_CMD_BOOTD
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_IMLS
#undef CONFIG_CMD_ITEST
#undef CONFIG_CMD_NFS
#undef CONFIG_CMD_SETGETDCR
#undef CONFIG_CMD_XIMG
#ifdef CONFIG_CMD_NET
# define CONFIG_CMD_DHCP
# define CONFIG_CMD_PING
#endif
/*
* ENVIRONMENT -- Put environment in sector CONFIG_SYS_MONITOR_LEN above
* CONFIG_SYS_RESET_ADDR, since we assume the monitor is stored at the
* reset address, no? This will keep the environment in user region
* of flash. NOTE: the monitor length must be multiple of sector size
* (which is common practice).
*/
#define CONFIG_ENV_IS_IN_FLASH
#define CONFIG_ENV_SIZE 0x10000 /* 64k, 1 sector */
#define CONFIG_ENV_OVERWRITE /* Serial change Ok */
#define CONFIG_ENV_ADDR ((CONFIG_SYS_RESET_ADDR + \
CONFIG_SYS_MONITOR_LEN) | \
CONFIG_SYS_FLASH_BASE)
/*
* MEMORY ORGANIZATION
* -Monitor at top of sdram.
* -The heap is placed below the monitor
* -Global data is placed below the heap.
* -The stack is placed below global data (&grows down).
*/
#define CONFIG_MONITOR_IS_IN_RAM
#define CONFIG_SYS_MONITOR_LEN 0x40000 /* Reserve 256k */
#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_SDRAM_BASE + \
CONFIG_SYS_SDRAM_SIZE - \
CONFIG_SYS_MONITOR_LEN)
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 0x20000)
#define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - \
CONFIG_SYS_MALLOC_LEN)
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_MALLOC_BASE - \
GENERATED_GBL_DATA_SIZE - \
GENERATED_BD_INFO_SIZE)
#define CONFIG_SYS_INIT_SP CONFIG_SYS_GBL_DATA_OFFSET
/*
* MISC
*/
#define CONFIG_SYS_LONGHELP /* Provide extended help */
#define CONFIG_SYS_PROMPT "==> " /* Command prompt */
#define CONFIG_SYS_CBSIZE 256 /* Console I/O buf size */
#define CONFIG_SYS_MAXARGS 16 /* Max command args */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Bootarg buf size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + \
16) /* Print buf size */
#define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_INIT_SP - 0x20000)
#define CONFIG_CMDLINE_EDITING
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
#endif /* __CONFIG_H */