/* * (C) Copyright 2004, Psyent Corporation * Scott McNutt * * 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)) /*------------------------------------------------------------------------ * COMMANDS *----------------------------------------------------------------------*/ #define CONFIG_COMMANDS (CFG_CMD_BDI | \ CFG_CMD_ECHO | \ CFG_CMD_ENV | \ CFG_CMD_FLASH | \ CFG_CMD_IMI | \ CFG_CMD_IRQ | \ CFG_CMD_LOADS | \ CFG_CMD_LOADB | \ CFG_CMD_MEMORY | \ CFG_CMD_MISC | \ CFG_CMD_RUN | \ CFG_CMD_SAVES ) #include /*------------------------------------------------------------------------ * 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 */