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/*
* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
* Scott McNutt <smcnutt@psyent.com>
*
* 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
*----------------------------------------------------------------------*/
#define CONFIG_PCI5441 1 /* PCI-5441 board */
#define CONFIG_SYS_CLK_FREQ 50000000 /* 50 MHz core clk */
#define CFG_RESET_ADDR 0x00000000 /* Hard-reset address */
#define CFG_EXCEPTION_ADDR 0x01000020 /* Exception entry point*/
#define CFG_NIOS_SYSID_BASE 0x00920828 /* System id address */
#define CONFIG_BOARD_EARLY_INIT_F 1 /* enable early board-spec. init*/
/*------------------------------------------------------------------------
* CACHE -- the following will support II/s and II/f. The II/s does not
* have dcache, so the cache instructions will behave as NOPs.
*----------------------------------------------------------------------*/
#define CFG_ICACHE_SIZE 4096 /* 4 KByte total */
#define CFG_ICACHELINE_SIZE 32 /* 32 bytes/line */
#define CFG_DCACHE_SIZE 2048 /* 2 KByte (II/f) */
#define CFG_DCACHELINE_SIZE 4 /* 4 bytes/line (II/f) */
/*------------------------------------------------------------------------
* MEMORY BASE ADDRESSES
*----------------------------------------------------------------------*/
#define CFG_FLASH_BASE 0x00000000 /* FLASH base addr */
#define CFG_FLASH_SIZE 0x00800000 /* 8 MByte */
#define CFG_SDRAM_BASE 0x01000000 /* SDRAM base addr */
#define CFG_SDRAM_SIZE 0x01000000 /* 16 MByte */
/*------------------------------------------------------------------------
* MEMORY ORGANIZATION
* -Monitor at top.
* -The heap is placed below the monitor.
* -Global data is placed below the heap.
* -The stack is placed below global data (&grows down).
*----------------------------------------------------------------------*/
#define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128k */
#define CFG_GBL_DATA_SIZE 128 /* Global data size rsvd*/
#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
#define CFG_MONITOR_BASE TEXT_BASE
#define CFG_MALLOC_BASE (CFG_MONITOR_BASE - CFG_MALLOC_LEN)
#define CFG_GBL_DATA_OFFSET (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP CFG_GBL_DATA_OFFSET
/*------------------------------------------------------------------------
* FLASH (AM29LV065D)
*----------------------------------------------------------------------*/
#define CFG_MAX_FLASH_SECT 128 /* Max # sects per bank */
#define CFG_MAX_FLASH_BANKS 1 /* Max # of flash banks */
#define CFG_FLASH_ERASE_TOUT 8000 /* Erase timeout (msec) */
#define CFG_FLASH_WRITE_TOUT 100 /* Write timeout (msec) */
#define CFG_FLASH_WORD_SIZE unsigned char /* flash word size */
/*------------------------------------------------------------------------
* ENVIRONMENT -- Put environment in sector CFG_MONITOR_LEN above
* CFG_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 CFG_ENV_IS_IN_FLASH 1 /* Environment in flash */
#define CFG_ENV_SIZE (64 * 1024) /* 64 KByte (1 sector) */
#define CONFIG_ENV_OVERWRITE /* Serial change Ok */
#define CFG_ENV_ADDR (CFG_RESET_ADDR + CFG_MONITOR_LEN)
/*------------------------------------------------------------------------
* CONSOLE
*----------------------------------------------------------------------*/
#if defined(CONFIG_CONSOLE_JTAG)
#define CFG_NIOS_CONSOLE 0x00920820 /* JTAG UART base addr */
#else
#define CFG_NIOS_CONSOLE 0x009208a0 /* UART base addr */
#endif
#define CFG_NIOS_FIXEDBAUD 1 /* Baudrate is fixed */
#define CONFIG_BAUDRATE 115200 /* Initial baudrate */
#define CFG_BAUDRATE_TABLE {115200} /* It's fixed ;-) */
#define CFG_CONSOLE_INFO_QUIET 1 /* Suppress console info*/
/*------------------------------------------------------------------------
* DEBUG
*----------------------------------------------------------------------*/
#undef CONFIG_ROM_STUBS /* Stubs not in ROM */
/*------------------------------------------------------------------------
* TIMEBASE --
*
* The high res timer defaults to 1 msec. Since it includes the period
* registers, we can slow it down to 10 msec using TMRCNT. If the default
* period is acceptable, TMRCNT can be left undefined.
*----------------------------------------------------------------------*/
#define CFG_NIOS_TMRBASE 0x00920860 /* Tick timer base addr */
#define CFG_NIOS_TMRIRQ 3 /* Timer IRQ num */
#define CFG_NIOS_TMRMS 10 /* 10 msec per tick */
#define CFG_NIOS_TMRCNT (CFG_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000))
#define CFG_HZ (CONFIG_SYS_CLK_FREQ/(CFG_NIOS_TMRCNT + 1))
/*
* Command line configuration.
*/
#define CONFIG_CMD_BDI
#define CONFIG_CMD_ECHO
#define CONFIG_CMD_ENV
#define CONFIG_CMD_FLASH
#define CONFIG_CMD_IMI
#define CONFIG_CMD_IRQ
#define CONFIG_CMD_LOADS
#define CONFIG_CMD_LOADB
#define CONFIG_CMD_MEMORY
#define CONFIG_CMD_MISC
#define CONFIG_CMD_RUN
#define CONFIG_CMD_SAVES
/*------------------------------------------------------------------------
* MISC
*----------------------------------------------------------------------*/
#define CFG_LONGHELP /* Provide extended help*/
#define CFG_PROMPT "==> " /* Command prompt */
#define CFG_CBSIZE 256 /* Console I/O buf size */
#define CFG_MAXARGS 16 /* Max command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot arg buf size */
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print buf size */
#define CFG_LOAD_ADDR CFG_SDRAM_BASE /* Default load address */
#define CFG_MEMTEST_START CFG_SDRAM_BASE /* Start addr for test */
#define CFG_MEMTEST_END CFG_INIT_SP - 0x00020000
#endif /* __CONFIG_H */
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