|  | /* | 
|  | * 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 */ |