/* SPDX-License-Identifier: GPL-2.0+ */ /* * Configuation settings for the Sentec Cobra Board. * * (C) Copyright 2003 Josef Baumgartner */ /* --- * 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 /* --- * Defines processor clock - important for correct timings concerning serial * interface etc. * --- */ #define CFG_SYS_CLK 66000000 #define CFG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */ /* --- * Define baudrate for UART1 (console output, tftp, ...) * default value of CONFIG_BAUDRATE for Sentec board: 19200 baud * CFG_SYS_BAUDRATE_TABLE defines values that can be selected in u-boot command * interface * --- */ #define CFG_SYS_UART_PORT (0) /* --- * 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_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 CONFIG_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 * --- */ #define LDS_BOARD_TEXT \ . = DEFINED(env_offset) ? env_offset : .; \ env/embedded.o(.text); /* *----------------------------------------------------------------------------- * Define user parameters that have to be customized most likely *----------------------------------------------------------------------------- */ /*AUTOBOOT settings - booting images automatically by u-boot after power on*/ /* 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 enter a valid image address in flash */ /* User network settings */ #define CONFIG_IPADDR 192.168.100.2 /* default board IP address */ #define CONFIG_SERVERIP 192.168.100.1 /* default tftp server IP address */ #endif /*---*/ /* *----------------------------------------------------------------------------- * End of user parameters to be customized *----------------------------------------------------------------------------- */ /* --- * Defines memory range for test * --- */ /* --- * 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_SYS_MBAR 0x10000000 /* Register Base Addrs */ /* --- * System Conf. Reg. & System Protection Reg. * --- */ #define CFG_SYS_SCR 0x0003 #define CFG_SYS_SPR 0xffff /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in internal SRAM) */ #define CFG_SYS_INIT_RAM_ADDR 0x20000000 #define CFG_SYS_INIT_RAM_SIZE 0x1000 /* Size of used area in internal SRAM */ /*----------------------------------------------------------------------- * Start addresses for the final memory configuration * (Set up by the startup code) * Please note that CFG_SYS_SDRAM_BASE _must_ start at 0 */ #define CFG_SYS_SDRAM_BASE 0x00000000 /* *------------------------------------------------------------------------- * RAM SIZE (is defined above) *----------------------------------------------------------------------- */ /* #define CFG_SYS_SDRAM_SIZE 16 */ /* *----------------------------------------------------------------------- */ #define CFG_SYS_FLASH_BASE 0xffe00000 /* * 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_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ /*----------------------------------------------------------------------- * Cache Configuration */ #define ICACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ CFG_SYS_INIT_RAM_SIZE - 8) #define DCACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ CFG_SYS_INIT_RAM_SIZE - 4) #define CFG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI) #define CFG_SYS_CACHE_ACR0 (CFG_SYS_SDRAM_BASE | \ CF_ADDRMASK(CFG_SYS_SDRAM_SIZE) | \ CF_ACR_EN | CF_ACR_SM_ALL) #define CFG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \ CF_CACR_DISD | CF_CACR_INVI | \ CF_CACR_CEIB | CF_CACR_DCM | \ CF_CACR_EUSP) /*----------------------------------------------------------------------- * 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_SYS_PACNT 0x00000000 /* PortA control reg.: All pins are external GPIO*/ #define CFG_SYS_PADDR 0x00FF /* PortA direction reg.: PA7 to PA0 are outputs (1^=output, 0^=input) */ #define CFG_SYS_PADAT LED_STAT_0 /* PortA value reg.: Turn all LED off */ #define CFG_SYS_PBCNT 0x55554155 /* PortB control reg.: Ethernet/UART configuration */ #define CFG_SYS_PBDDR 0x0000 /* PortB direction: All pins configured as inputs */ #define CFG_SYS_PBDAT 0x0000 /* PortB value reg. */ #define CFG_SYS_PDCNT 0x00000000 /* PortD control reg. */ #endif /* _CONFIG_COBRA5272_H */