/include/configs/nios2-generic.h

  1/*
  2 * (C) Copyright 2005, Psyent Corporation <www.psyent.com>
  3 * Scott McNutt <smcnutt@psyent.com>
  4 * (C) Copyright 2010, Thomas Chou <thomas@wytron.com.tw>
  5 *
  6 * See file CREDITS for list of people who contributed to this
  7 * project.
  8 *
  9 * This program is free software; you can redistribute it and/or
 10 * modify it under the terms of the GNU General Public License as
 11 * published by the Free Software Foundation; either version 2 of
 12 * the License, or (at your option) any later version.
 13 *
 14 * This program is distributed in the hope that it will be useful,
 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 17 * GNU General Public License for more details.
 18 *
 19 * You should have received a copy of the GNU General Public License
 20 * along with this program; if not, write to the Free Software
 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 22 * MA 02111-1307 USA
 23 */
 24
 25#ifndef __CONFIG_H
 26#define __CONFIG_H
 27
 28/*
 29 * BOARD/CPU
 30 */
 31#include "../board/altera/nios2-generic/custom_fpga.h" /* fpga parameters */
 32#define CONFIG_BOARD_NAME "nios2-generic" /* custom board name */
 33#define CONFIG_BOARD_EARLY_INIT_F	/* enable early board-spec. init */
 34#define CONFIG_SYS_NIOS_SYSID_BASE	CONFIG_SYS_SYSID_BASE
 35
 36/*
 37 * SERIAL
 38 */
 39#define CONFIG_ALTERA_UART
 40#if defined(CONFIG_ALTERA_JTAG_UART)
 41# define CONFIG_SYS_NIOS_CONSOLE	CONFIG_SYS_JTAG_UART_BASE
 42#else
 43# define CONFIG_SYS_NIOS_CONSOLE	CONFIG_SYS_UART_BASE
 44#endif
 45
 46#define CONFIG_ALTERA_JTAG_UART_BYPASS
 47#define CONFIG_SYS_NIOS_FIXEDBAUD
 48#define CONFIG_BAUDRATE		CONFIG_SYS_UART_BAUD
 49#define CONFIG_SYS_BAUDRATE_TABLE	{CONFIG_BAUDRATE}
 50#define CONFIG_SYS_CONSOLE_INFO_QUIET	/* Suppress console info */
 51
 52/*
 53 * TIMER
 54 */
 55#define CONFIG_SYS_LOW_RES_TIMER
 56#define CONFIG_SYS_NIOS_TMRBASE	CONFIG_SYS_TIMER_BASE
 57#define CONFIG_SYS_NIOS_TMRIRQ		CONFIG_SYS_TIMER_IRQ
 58#define CONFIG_SYS_HZ			1000	/* Always 1000 */
 59#define CONFIG_SYS_NIOS_TMRMS		10	/* Desired period (msec)*/
 60#define CONFIG_SYS_NIOS_TMRCNT \
 61	(CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_TIMER_FREQ / 1000) - 1)
 62
 63/*
 64 * STATUS LED
 65 */
 66#define CONFIG_ALTERA_PIO
 67#define CONFIG_SYS_ALTERA_PIO_NUM	1
 68#define CONFIG_SYS_ALTERA_PIO_GPIO_NUM	LED_PIO_WIDTH
 69
 70#define CONFIG_STATUS_LED		/* Enable status driver */
 71#define CONFIG_BOARD_SPECIFIC_LED
 72#define CONFIG_GPIO_LED		/* Enable GPIO LED driver */
 73#define CONFIG_GPIO			/* Enable GPIO driver */
 74
 75#define STATUS_LED_BIT			0	/* Bit-0 on GPIO */
 76#define STATUS_LED_STATE		1	/* Blinking */
 77#define STATUS_LED_PERIOD	(500 / CONFIG_SYS_NIOS_TMRMS) /* 500 msec */
 78
 79/*
 80 * BOOTP options
 81 */
 82#define CONFIG_BOOTP_BOOTFILESIZE
 83#define CONFIG_BOOTP_BOOTPATH
 84#define CONFIG_BOOTP_GATEWAY
 85#define CONFIG_BOOTP_HOSTNAME
 86
 87/*
 88 * Command line configuration.
 89 */
 90#include <config_cmd_default.h>
 91#undef CONFIG_CMD_BOOTD
 92#undef CONFIG_CMD_FPGA
 93#undef CONFIG_CMD_IMLS
 94#undef CONFIG_CMD_ITEST
 95#undef CONFIG_CMD_NFS
 96#undef CONFIG_CMD_SETGETDCR
 97#undef CONFIG_CMD_XIMG
 98
 99#ifdef CONFIG_CMD_NET
100# define CONFIG_CMD_DHCP
101# define CONFIG_CMD_PING
102#endif
103
104/*
105 * ENVIRONMENT -- Put environment in sector CONFIG_SYS_MONITOR_LEN above
106 * CONFIG_SYS_RESET_ADDR, since we assume the monitor is stored at the
107 * reset address, no? This will keep the environment in user region
108 * of flash. NOTE: the monitor length must be multiple of sector size
109 * (which is common practice).
110 */
111#define CONFIG_ENV_IS_IN_FLASH
112
113#define CONFIG_ENV_SIZE		0x10000	/* 64k, 1 sector */
114#define CONFIG_ENV_OVERWRITE		/* Serial change Ok	*/
115#define CONFIG_ENV_ADDR		((CONFIG_SYS_RESET_ADDR + \
116					  CONFIG_SYS_MONITOR_LEN) | \
117					 CONFIG_SYS_FLASH_BASE)
118
119/*
120 * MEMORY ORGANIZATION
121 * -Monitor at top of sdram.
122 * -The heap is placed below the monitor
123 * -The stack is placed below the heap (&grows down).
124 */
125#define CONFIG_MONITOR_IS_IN_RAM
126#define CONFIG_SYS_MONITOR_LEN		0x40000	/* Reserve 256k */
127#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_SDRAM_BASE + \
128					 CONFIG_SYS_SDRAM_SIZE - \
129					 CONFIG_SYS_MONITOR_LEN)
130#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 0x20000)
131#define CONFIG_SYS_MALLOC_BASE		(CONFIG_SYS_MONITOR_BASE - \
132					 CONFIG_SYS_MALLOC_LEN)
133#define CONFIG_SYS_INIT_SP		CONFIG_SYS_MALLOC_BASE
134
135/*
136 * MISC
137 */
138#define CONFIG_SYS_LONGHELP		/* Provide extended help */
139#define CONFIG_SYS_PROMPT		"==> "	/* Command prompt	*/
140#define CONFIG_SYS_CBSIZE		256	/* Console I/O buf size */
141#define CONFIG_SYS_MAXARGS		16	/* Max command args	*/
142#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE /* Bootarg buf size */
143#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
144					sizeof(CONFIG_SYS_PROMPT) + \
145					 16)	/* Print buf size */
146#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE
147#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
148#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_INIT_SP - 0x20000)
149#define CONFIG_CMDLINE_EDITING
150
151#define CONFIG_SYS_HUSH_PARSER
152
153#endif /* __CONFIG_H */