mirror of
https://github.com/AsahiLinux/u-boot
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028ab6b598
Add support for the Xilinx ML300 platform * Patch by Stephan Linz, 17 Feb 2004: Fix watchdog support for NIOS * Patch by Josh Fryman, 16 Feb 2004: Fix byte-swapping for cfi_flash.c for different bus widths * Patch by Jon Diekema, 14 Jeb 2004: Remove duplicate "FPGA Support" notes from the README file
154 lines
5.2 KiB
C
154 lines
5.2 KiB
C
/*
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* ML300.h: ML300 specific config options
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*
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* http://www.xilinx.com/ml300
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*
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* Derived from : ML2.h
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*
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* Author: Xilinx, Inc.
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*
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*
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* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
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* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
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* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD,
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* XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION IS FREE
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* FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE FOR
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* OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
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* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
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* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY
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* WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM
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* CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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*
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* Xilinx products are not intended for use in life support appliances,
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* devices, or systems. Use in such applications is expressly prohibited.
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*
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*
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* (c) Copyright 2002 Xilinx Inc.
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* All rights reserved.
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*
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/* #define DEBUG */
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/* #define ET_DEBUG 1 */
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/*
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* High Level Configuration Options
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* (easy to change)
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*/
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#define CONFIG_405 1 /* This is a PPC405 CPU */
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#define CONFIG_4xx 1 /* ...member of PPC4xx family */
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#define CONFIG_XILINX_ML300 1 /* ...on a Xilinx ML300 board */
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#define CFG_ENV_IS_NOWHERE 1 /* environment is in RAM */
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#define CFG_NO_FLASH 1 /* no flash */
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#define CFG_ENV_SIZE 0x2000
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#define CONFIG_BAUDRATE 9600
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#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
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#define CONFIG_BOOTCOMMAND "bootp" /* autoboot command */
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#define CONFIG_BOOTARGS "console=ttyS0,9600 ip=off " \
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"root=/dev/xsysace/disc0/part3 rw"
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
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#define REMOVE_COMMANDS (CFG_CMD_FLASH | CFG_CMD_LOADS | CFG_CMD_FAT | \
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CFG_CMD_IMLS )
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#define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_NET) \
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& ~REMOVE_COMMANDS)
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/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
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#include <cmd_confdefs.h>
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/* #define CONFIG_SYS_CLK_FREQ XPAR_CORE_CLOCK_FREQ_HZ */
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/* 300000000 */
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/*
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* Miscellaneous configurable options
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*/
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#define CFG_LONGHELP /* undef to save memory */
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#define CFG_PROMPT "=> " /* Monitor Command Prompt */
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
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#define CFG_MAXARGS 16 /* max number of command args */
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#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
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#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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#define CFG_DUART_CHAN 0
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#define CFG_NS16550_REG_SIZE -4
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#define CFG_NS16550 1
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#define CFG_INIT_CHAN1 1
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/* The following table includes the supported baudrates */
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#define CFG_BAUDRATE_TABLE \
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{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
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#define CFG_LOAD_ADDR 0x400000 /* default load address */
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#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
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#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
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/*-----------------------------------------------------------------------
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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* Please note that CFG_SDRAM_BASE _must_ start at 0
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*/
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#define CFG_SDRAM_BASE 0x00000000
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#define CFG_MONITOR_BASE 0x04000000
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#define CFG_MONITOR_LEN (192 * 1024) /* Reserve 196 kB for Monitor */
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#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_DCACHE_SIZE 16384 /* For IBM 405 CPUs */
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#define CFG_CACHELINE_SIZE 32 /* ... */
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in DPRAM)
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*/
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#define CFG_INIT_RAM_ADDR 0x800000 /* inside of SDRAM */
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#define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
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#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
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/*
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* Internal Definitions
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*
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* Boot Flags
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*/
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#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
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#define BOOTFLAG_WARM 0x02 /* Software reboot */
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#endif /* __CONFIG_H */
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