/* * Configuation settings for the esd TASREG board. * * (C) Copyright 2004 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 */ /* * board/config.h - configuration options, board specific */ #ifndef _TASREG_H #define _TASREG_H #ifndef __ASSEMBLY__ #include <asm/m5249.h> #endif /* * High Level Configuration Options * (easy to change) */ #define CONFIG_MCF52x2 /* define processor family */ #define CONFIG_M5249 /* define processor type */ #define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */ #define CONFIG_BAUDRATE 19200 #define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 } #undef CONFIG_WATCHDOG #undef CONFIG_MONITOR_IS_IN_RAM /* no pre-loader required!!! ;-) */ #define CONFIG_COMMANDS ((CONFIG_CMD_DFL | \ CFG_CMD_BSP | \ CFG_CMD_EEPROM | \ CFG_CMD_I2C ) & \ ~(CFG_CMD_NET)) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> #define CONFIG_BOOTDELAY 3 #define CFG_PROMPT "=> " #define CFG_LONGHELP /* undef to save memory */ #if (CONFIG_COMMANDS & CFG_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 */ #define CFG_DEVICE_NULLDEV 1 /* include nulldev device */ #define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/ #define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */ #define CONFIG_LOOPW 1 /* enable loopw command */ #define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */ #define CFG_LOAD_ADDR 0x200000 /* default load address */ #define CFG_MEMTEST_START 0x400 #define CFG_MEMTEST_END 0x380000 #define CFG_HZ 1000 /* * Clock configuration: enable only one of the following options */ #if 0 /* this setting will run the cpu at 11MHz */ #define CFG_PLL_BYPASS 1 /* bypass PLL for test purpose */ #undef CFG_FAST_CLK /* MCF5249 can run at 140MHz */ #define CFG_CLK 11289600 /* PLL bypass */ #endif #if 0 /* this setting will run the cpu at 70MHz */ #undef CFG_PLL_BYPASS /* bypass PLL for test purpose */ #undef CFG_FAST_CLK /* MCF5249 can run at 140MHz */ #define CFG_CLK 72185018 /* The next lower speed */ #endif #if 1 /* this setting will run the cpu at 140MHz */ #undef CFG_PLL_BYPASS /* bypass PLL for test purpose */ #define CFG_FAST_CLK 1 /* MCF5249 can run at 140MHz */ #define CFG_CLK 132025600 /* MCF5249 can run at 140MHz */ #endif /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ #define CFG_MBAR 0x10000000 /* Register Base Addrs */ #define CFG_MBAR2 0x80000000 /*----------------------------------------------------------------------- * I2C */ #define CONFIG_SOFT_I2C #define CFG_I2C_SPEED 100000 /* I2C speed and slave address */ #define CFG_I2C_SLAVE 0x7F #define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC32 */ #define CFG_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */ /* mask of address bits that overflow into the "EEPROM chip address" */ #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x01 #define CFG_EEPROM_PAGE_WRITE_BITS 5 /* The Catalyst CAT24WC32 has */ /* 32 byte page write mode using*/ /* last 5 bits of the address */ #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */ #define CFG_EEPROM_PAGE_WRITE_ENABLE #if defined (CONFIG_SOFT_I2C) #if 0 /* push-pull */ #define SDA 0x00800000 #define SCL 0x00000008 #define DIR0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_EN)) #define DIR1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_EN)) #define OUT0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_OUT)) #define OUT1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_OUT)) #define IN0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_READ)) #define IN1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_READ)) #define I2C_INIT {OUT1|=SDA;OUT0|=SCL;} #define I2C_READ ((IN1&SDA)?1:0) #define I2C_SDA(x) {if(x)OUT1|=SDA;else OUT1&=~SDA;} #define I2C_SCL(x) {if(x)OUT0|=SCL;else OUT0&=~SCL;} #define I2C_DELAY {udelay(5);} #define I2C_ACTIVE {DIR1|=SDA;} #define I2C_TRISTATE {DIR1&=~SDA;} #else /* open-collector */ #define SDA 0x00800000 #define SCL 0x00000008 #define DIR0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_EN)) #define DIR1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_EN)) #define OUT0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_OUT)) #define OUT1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_OUT)) #define IN0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_READ)) #define IN1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_READ)) #define I2C_INIT {DIR1&=~SDA;DIR0&=~SCL;OUT1&=~SDA;OUT0&=~SCL;} #define I2C_READ ((IN1&SDA)?1:0) #define I2C_SDA(x) {if(x)DIR1&=~SDA;else DIR1|=SDA;} #define I2C_SCL(x) {if(x)DIR0&=~SCL;else DIR0|=SCL;} #define I2C_DELAY {udelay(5);} #define I2C_ACTIVE {DIR1|=SDA;} #define I2C_TRISTATE {DIR1&=~SDA;} #endif #endif /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #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 #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_ADDR 0xFFC40000 /* Address of Environment Sector*/ #define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */ #define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */ /*----------------------------------------------------------------------- * 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 #define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */ #define CFG_FLASH_BASE 0xffc00000 #if 0 /* test-only */ #define CONFIG_PRAM 512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */ #endif #define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400) #define CFG_MONITOR_LEN 0x20000 #define CFG_MALLOC_LEN (1 * 1024*1024) /* Reserve 1 MB for malloc() */ #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 256 /* max number of sectors on one chip */ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ #define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */ #define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */ #define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */ /* * The following defines are added for buggy IOP480 byte interface. * All other boards should use the standard values (CPCI405 etc.) */ #define CFG_FLASH_READ0 0x0000 /* 0 is standard */ #define CFG_FLASH_READ1 0x0001 /* 1 is standard */ #define CFG_FLASH_READ2 0x0002 /* 2 is standard */ #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_CACHELINE_SIZE 16 /*----------------------------------------------------------------------- * Memory bank definitions */ /* CS0 - AMD Flash, address 0xffc00000 */ #define CFG_CSAR0 0xffc0 #define CFG_CSCR0 0x1980 /* WS=0110, AA=1, PS=10 */ /** Note: There is a CSMR0/DRAM vector problem, need to disable C/I ***/ #define CFG_CSMR0 0x003f0021 /* 4MB, AA=0, WP=0, C/I=1, V=1 */ /* CS1 - FPGA, address 0xe0000000 */ #define CFG_CSAR1 0xe000 #define CFG_CSCR1 0x0d80 /* WS=0011, AA=1, PS=10 */ #define CFG_CSMR1 0x00010001 /* 128kB, AA=0, WP=0, C/I=0, V=1*/ /*----------------------------------------------------------------------- * Port configuration */ #define CFG_GPIO_FUNC 0x00000008 /* Set gpio pins: none */ #define CFG_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54*/ #define CFG_GPIO_EN 0x00000008 /* Set gpio output enable */ #define CFG_GPIO1_EN 0x00c70000 /* Set gpio output enable */ #define CFG_GPIO_OUT 0x00000008 /* Set outputs to default state */ #define CFG_GPIO1_OUT 0x00c70000 /* Set outputs to default state */ #define CFG_GPIO1_LED 0x00400000 /* user led */ /*----------------------------------------------------------------------- * FPGA stuff */ #define CFG_FPGA_SPARTAN2 1 /* using Xilinx Spartan 2 now */ #define CFG_FPGA_MAX_SIZE 512*1024 /* 512kByte is enough for XC2S200*/ /* FPGA program pin configuration */ #define CFG_FPGA_PRG 0x00010000 /* FPGA program pin (ppc output) */ #define CFG_FPGA_CLK 0x00040000 /* FPGA clk pin (ppc output) */ #define CFG_FPGA_DATA 0x00020000 /* FPGA data pin (ppc output) */ #define CFG_FPGA_INIT 0x00080000 /* FPGA init pin (ppc input) */ #define CFG_FPGA_DONE 0x00100000 /* FPGA done pin (ppc input) */ #endif /* _TASREG_H */