upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/include/configs/cobra5272.h

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/*
* Configuation settings for the Sentec Cobra Board.
*
* (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
*
* 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
*/
/* ---
* Version: U-boot 1.0.0 - initial release for Sentec COBRA5272 board
* Date: 2004-03-29
* Author: Florian Schlote
*
* For a description of configuration options please refer also to the
* general u-boot-1.x.x/README file
* ---
*/
/* ---
* board/config.h - configuration options, board specific
* ---
*/
#ifndef _CONFIG_COBRA5272_H
#define _CONFIG_COBRA5272_H
/* ---
* Define processor
* possible values for Sentec board: only Coldfire M5272 processor supported
* (please do not change)
* ---
*/
#define CONFIG_MCF52x2 /* define processor family */
#define CONFIG_M5272 /* define processor type */
/* ---
* Defines processor clock - important for correct timings concerning serial
* interface etc.
* CFG_HZ gives unit: 1000 -> 1 Hz ^= 1000 ms
* ---
*/
#define CFG_HZ 1000
#define CFG_CLK 66000000
#define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */
/* ---
* Enable use of Ethernet
* ---
*/
#define CONFIG_MCFFEC
/* Enable Dma Timer */
#define CONFIG_MCFTMR
/* ---
* Define baudrate for UART1 (console output, tftp, ...)
* default value of CONFIG_BAUDRATE for Sentec board: 19200 baud
* CFG_BAUDRATE_TABLE defines values that can be selected in u-boot command
* interface
* ---
*/
#define CONFIG_MCFUART
#define CFG_UART_PORT (0)
#define CONFIG_BAUDRATE 19200
#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
/* ---
* set "#if 0" to "#if 1" if (Hardware)-WATCHDOG should be enabled & change
* timeout acc. to your needs
* #define CONFIG_WATCHDOG_TIMEOUT x , x is timeout in milliseconds, e. g. 10000
* for 10 sec
* ---
*/
#if 0
#define CONFIG_WATCHDOG
#define CONFIG_WATCHDOG_TIMEOUT 10000 /* timeout in milliseconds */
#endif
/* ---
* CONFIG_MONITOR_IS_IN_RAM defines if u-boot is started from a different
* bootloader residing in flash ('chainloading'); if you want to use
* chainloading or want to compile a u-boot binary that can be loaded into
* RAM via BDM set
* "#if 0" to "#if 1"
* You will need a first stage bootloader then, e. g. colilo or a working BDM
* cable (Background Debug Mode)
*
* Setting #if 0: u-boot will start from flash and relocate itself to RAM
*
* Please do not forget to modify the setting of TEXT_BASE
* in board/cobra5272/config.mk accordingly (#if 0: 0xffe00000; #if 1: 0x20000)
*
* ---
*/
#if 0
#define CONFIG_MONITOR_IS_IN_RAM /* monitor is started from a preloader */
#endif
/* ---
* Configuration for environment
* Environment is embedded in u-boot in the second sector of the flash
* ---
*/
#ifndef CONFIG_MONITOR_IS_IN_RAM
#define CFG_ENV_OFFSET 0x4000
#define CFG_ENV_SECT_SIZE 0x2000
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_IS_EMBEDDED 1
#else
#define CFG_ENV_ADDR 0xffe04000
#define CFG_ENV_SECT_SIZE 0x2000
#define CFG_ENV_IS_IN_FLASH 1
#endif
/*
* 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>
#define CONFIG_CMD_PING
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_LOADB
#undef CONFIG_CMD_MII
#ifdef CONFIG_MCFFEC
# define CONFIG_NET_MULTI 1
# define CONFIG_MII 1
# define CFG_DISCOVER_PHY
# define CFG_RX_ETH_BUFFER 8
# define CFG_FAULT_ECHO_LINK_DOWN
# define CFG_FEC0_PINMUX 0
# define CFG_FEC0_MIIBASE CFG_FEC0_IOBASE
# define MCFFEC_TOUT_LOOP 50000
/* If CFG_DISCOVER_PHY is not defined - hardcoded */
# ifndef CFG_DISCOVER_PHY
# define FECDUPLEX FULL
# define FECSPEED _100BASET
# else
# ifndef CFG_FAULT_ECHO_LINK_DOWN
# define CFG_FAULT_ECHO_LINK_DOWN
# endif
# endif /* CFG_DISCOVER_PHY */
#endif
/*
*-----------------------------------------------------------------------------
* Define user parameters that have to be customized most likely
*-----------------------------------------------------------------------------
*/
/*AUTOBOOT settings - booting images automatically by u-boot after power on*/
#define CONFIG_BOOTDELAY 5 /* used for autoboot, delay in
seconds u-boot will wait before starting defined (auto-)boot command, setting
to -1 disables delay, setting to 0 will too prevent access to u-boot command
interface: u-boot then has to reflashed */
/* The following settings will be contained in the environment block ; if you
want to use a neutral environment all those settings can be manually set in
u-boot: 'set' command */
#if 0
#define CONFIG_BOOTCOMMAND "bootm 0xffe80000" /*Autoboto command, please
enter a valid image address in flash */
#define CONFIG_BOOTARGS " " /* default bootargs that are
considered during boot */
/* User network settings */
#define CONFIG_ETHADDR 00:00:00:00:00:09 /* default ethernet MAC addr. */
#define CONFIG_IPADDR 192.168.100.2 /* default board IP address */
#define CONFIG_SERVERIP 192.168.100.1 /* default tftp server IP address */
#endif
#define CFG_PROMPT "COBRA > " /* Layout of u-boot prompt*/
#define CFG_LOAD_ADDR 0x20000 /*Defines default RAM address
from which user programs will be started */
/*---*/
#define CFG_LONGHELP /* undef to save memory */
#if defined(CONFIG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
/*
*-----------------------------------------------------------------------------
* End of user parameters to be customized
*-----------------------------------------------------------------------------
*/
/* ---
* Defines memory range for test
* ---
*/
#define CFG_MEMTEST_START 0x400
#define CFG_MEMTEST_END 0x380000
/* ---
* Low Level Configuration Settings
* (address mappings, register initial values, etc.)
* You should know what you are doing if you make changes here.
* ---
*/
/* ---
* Base register address
* ---
*/
#define CFG_MBAR 0x10000000 /* Register Base Addrs */
/* ---
* System Conf. Reg. & System Protection Reg.
* ---
*/
#define CFG_SCR 0x0003;
#define CFG_SPR 0xffff;
/* ---
* Ethernet settings
* ---
*/
#define CFG_DISCOVER_PHY
#define CFG_ENET_BD_BASE 0x780000
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in internal SRAM)
*/
#define CFG_INIT_RAM_ADDR 0x20000000
#define CFG_INIT_RAM_END 0x1000 /* End of used area in internal SRAM */
#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CFG_SDRAM_BASE _must_ start at 0
*/
#define CFG_SDRAM_BASE 0x00000000
/*
*-------------------------------------------------------------------------
* RAM SIZE (is defined above)
*-----------------------------------------------------------------------
*/
/* #define CFG_SDRAM_SIZE 16 */
/*
*-----------------------------------------------------------------------
*/
#define CFG_FLASH_BASE 0xffe00000
#ifdef CONFIG_MONITOR_IS_IN_RAM
#define CFG_MONITOR_BASE 0x20000
#else
#define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400)
#endif
#define CFG_MONITOR_LEN 0x20000
#define CFG_MALLOC_LEN (256 << 10)
#define CFG_BOOTPARAMS_LEN 64*1024
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization ??
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 11 /* max number of sectors on one chip */
#define CFG_FLASH_ERASE_TOUT 1000 /* flash timeout */
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_CACHELINE_SIZE 16
/*-----------------------------------------------------------------------
* Memory bank definitions
*
* Please refer also to Motorola Coldfire user manual - Chapter XXX
* <http://e-www.motorola.com/files/dsp/doc/ref_manual/MCF5272UM.pdf>
*/
#define CFG_BR0_PRELIM 0xFFE00201
#define CFG_OR0_PRELIM 0xFFE00014
#define CFG_BR1_PRELIM 0
#define CFG_OR1_PRELIM 0
#define CFG_BR2_PRELIM 0
#define CFG_OR2_PRELIM 0
#define CFG_BR3_PRELIM 0
#define CFG_OR3_PRELIM 0
#define CFG_BR4_PRELIM 0
#define CFG_OR4_PRELIM 0
#define CFG_BR5_PRELIM 0
#define CFG_OR5_PRELIM 0
#define CFG_BR6_PRELIM 0
#define CFG_OR6_PRELIM 0
#define CFG_BR7_PRELIM 0x00000701
#define CFG_OR7_PRELIM 0xFF00007C
/*-----------------------------------------------------------------------
* LED config
*/
#define LED_STAT_0 0xffff /*all LEDs off*/
#define LED_STAT_1 0xfffe
#define LED_STAT_2 0xfffd
#define LED_STAT_3 0xfffb
#define LED_STAT_4 0xfff7
#define LED_STAT_5 0xffef
#define LED_STAT_6 0xffdf
#define LED_STAT_7 0xff00 /*all LEDs on*/
/*-----------------------------------------------------------------------
* Port configuration (GPIO)
*/
#define CFG_PACNT 0x00000000 /* PortA control reg.: All pins are external
GPIO*/
#define CFG_PADDR 0x00FF /* PortA direction reg.: PA7 to PA0 are outputs
(1^=output, 0^=input) */
#define CFG_PADAT LED_STAT_0 /* PortA value reg.: Turn all LED off */
#define CFG_PBCNT 0x55554155 /* PortB control reg.: Ethernet/UART
configuration */
#define CFG_PBDDR 0x0000 /* PortB direction: All pins configured as inputs */
#define CFG_PBDAT 0x0000 /* PortB value reg. */
#define CFG_PDCNT 0x00000000 /* PortD control reg. */
#endif /* _CONFIG_COBRA5272_H */