[people/ms/u-boot.git] / include / configs / TASREG.h

/*
 * 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_MCFTMR

#define CONFIG_MCFUART
#define CONFIG_SYS_UART_PORT		(0)
#define CONFIG_BAUDRATE		19200
#define CONFIG_SYS_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }

#undef  CONFIG_WATCHDOG

#undef CONFIG_MONITOR_IS_IN_RAM	              /* no pre-loader required!!! ;-) */


/*
 * 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_BSP
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_I2C

#undef CONFIG_CMD_NET


#define CONFIG_BOOTDELAY	3

#define CONFIG_SYS_PROMPT		"=> "
#define CONFIG_SYS_LONGHELP				/* undef to save memory		*/

#if defined(CONFIG_CMD_KGDB)
#define CONFIG_SYS_CBSIZE		1024		/* Console I/O Buffer Size	*/
#else
#define CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size	*/
#endif
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
#define CONFIG_SYS_MAXARGS		16		/* max number of command args	*/
#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/

#define CONFIG_SYS_DEVICE_NULLDEV	1	/* include nulldev device	*/
#define CONFIG_SYS_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 CONFIG_SYS_LOAD_ADDR	        0x200000	/* default load address */

#define CONFIG_SYS_MEMTEST_START	0x400
#define CONFIG_SYS_MEMTEST_END		0x380000

#define CONFIG_SYS_HZ			1000

/*
 * Clock configuration: enable only one of the following options
 */

#if 0 /* this setting will run the cpu at 11MHz */
#define CONFIG_SYS_PLL_BYPASS          1                /* bypass PLL for test purpose */
#undef  CONFIG_SYS_FAST_CLK                             /* MCF5249 can run at 140MHz   */
#define CONFIG_SYS_CLK		        11289600         /* PLL bypass                  */
#endif

#if 0 /* this setting will run the cpu at 70MHz */
#undef  CONFIG_SYS_PLL_BYPASS                           /* bypass PLL for test purpose */
#undef  CONFIG_SYS_FAST_CLK                             /* MCF5249 can run at 140MHz   */
#define CONFIG_SYS_CLK		        72185018         /* The next lower speed        */
#endif

#if 1 /* this setting will run the cpu at 140MHz */
#undef  CONFIG_SYS_PLL_BYPASS                           /* bypass PLL for test purpose */
#define CONFIG_SYS_FAST_CLK            1                /* MCF5249 can run at 140MHz   */
#define	CONFIG_SYS_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 CONFIG_SYS_MBAR		0x10000000	/* Register Base Addrs */
#define	CONFIG_SYS_MBAR2	        0x80000000

/*-----------------------------------------------------------------------
 * I2C
 */
#define	CONFIG_SOFT_I2C
#define CONFIG_SYS_I2C_SPEED		100000	/* I2C speed and slave address */
#define CONFIG_SYS_I2C_SLAVE		0x7F
#define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* EEPROM CAT28WC32		*/
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2	/* Bytes of address		*/
/* mask of address bits that overflow into the "EEPROM chip address"	*/
#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW	0x01
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5	/* The Catalyst CAT24WC32 has	*/
					/* 32 byte page write mode using*/
					/* last 5 bits of the address	*/
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10   /* and takes up to 10 msec */

#if defined (CONFIG_SOFT_I2C)
#if 0 /* push-pull */
#define	SDA	        0x00800000
#define	SCL	        0x00000008
#define DIR0            *((volatile ulong*)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_EN))
#define DIR1            *((volatile ulong*)(CONFIG_SYS_MBAR2+MCFSIM_GPIO1_EN))
#define OUT0	        *((volatile ulong*)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_OUT))
#define OUT1	        *((volatile ulong*)(CONFIG_SYS_MBAR2+MCFSIM_GPIO1_OUT))
#define IN0	        *((volatile ulong*)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_READ))
#define IN1	        *((volatile ulong*)(CONFIG_SYS_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*)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_EN))
#define DIR1            *((volatile ulong*)(CONFIG_SYS_MBAR2+MCFSIM_GPIO1_EN))
#define OUT0	        *((volatile ulong*)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_OUT))
#define OUT1	        *((volatile ulong*)(CONFIG_SYS_MBAR2+MCFSIM_GPIO1_OUT))
#define IN0	        *((volatile ulong*)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_READ))
#define IN1	        *((volatile ulong*)(CONFIG_SYS_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 CONFIG_SYS_INIT_RAM_ADDR	0x20000000
#define CONFIG_SYS_INIT_RAM_END	0x1000	/* End of used area in internal SRAM	*/
#define CONFIG_SYS_GBL_DATA_SIZE	64	/* size in bytes reserved for initial data */
#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET

#define CONFIG_ENV_IS_IN_FLASH	1
#define CONFIG_ENV_ADDR		0xFFC40000	/* Address of Environment Sector*/
#define CONFIG_ENV_SIZE		0x10000	/* Total Size of Environment Sector	*/
#define CONFIG_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 CONFIG_SYS_SDRAM_BASE _must_ start at 0
 */
#define CONFIG_SYS_SDRAM_BASE		0x00000000
#define CONFIG_SYS_SDRAM_SIZE		16		/* SDRAM size in MB */
#define CONFIG_SYS_FLASH_BASE		0xffc00000

#if 0 /* test-only */
#define CONFIG_PRAM             512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */
#endif

#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_FLASH_BASE + 0x400)

#define CONFIG_SYS_MONITOR_LEN		0x20000
#define CONFIG_SYS_MALLOC_LEN		(1 * 1024*1024)	/* Reserve 1 MB for malloc()	*/
#define CONFIG_SYS_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 CONFIG_SYS_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */

/*-----------------------------------------------------------------------
 * FLASH organization
 */
#define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
#define CONFIG_SYS_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/

#define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/

#define CONFIG_SYS_FLASH_WORD_SIZE	unsigned short	/* flash word size (width)	*/
#define CONFIG_SYS_FLASH_ADDR0		0x5555	/* 1st address for flash config cycles	*/
#define CONFIG_SYS_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 CONFIG_SYS_FLASH_READ0		0x0000	/* 0 is standard			*/
#define CONFIG_SYS_FLASH_READ1		0x0001	/* 1 is standard			*/
#define CONFIG_SYS_FLASH_READ2		0x0002	/* 2 is standard			*/

#define CONFIG_SYS_FLASH_EMPTY_INFO		/* print 'E' for empty sector on flinfo */

/*-----------------------------------------------------------------------
 * Cache Configuration
 */
#define CONFIG_SYS_CACHELINE_SIZE	16

/*-----------------------------------------------------------------------
 * Memory bank definitions
 */

/* CS0 - AMD Flash, address 0xffc00000 */
#define	CONFIG_SYS_CSAR0               0xffc0
#define	CONFIG_SYS_CSCR0               0x1980          /* WS=0110, AA=1, PS=10         */
/** Note: There is a CSMR0/DRAM vector problem, need to disable C/I ***/
#define	CONFIG_SYS_CSMR0               0x003f0021      /* 4MB, AA=0, WP=0, C/I=1, V=1  */

/* CS1 - FPGA, address 0xe0000000 */
#define	CONFIG_SYS_CSAR1               0xe000
#define	CONFIG_SYS_CSCR1               0x0d80          /* WS=0011, AA=1, PS=10         */
#define	CONFIG_SYS_CSMR1               0x00010001      /* 128kB, AA=0, WP=0, C/I=0, V=1*/

/*-----------------------------------------------------------------------
 * Port configuration
 */
#define	CONFIG_SYS_GPIO_FUNC           0x00000008      /* Set gpio pins: none          */
#define	CONFIG_SYS_GPIO1_FUNC          0x00df00f0      /* 36-39(SWITCH),48-52(FPGAs),54*/
#define	CONFIG_SYS_GPIO_EN             0x00000008      /* Set gpio output enable       */
#define	CONFIG_SYS_GPIO1_EN            0x00c70000      /* Set gpio output enable       */
#define	CONFIG_SYS_GPIO_OUT            0x00000008      /* Set outputs to default state */
#define	CONFIG_SYS_GPIO1_OUT           0x00c70000      /* Set outputs to default state */

#define CONFIG_SYS_GPIO1_LED           0x00400000      /* user led                     */

/*-----------------------------------------------------------------------
 * FPGA stuff
 */
#define CONFIG_SYS_FPGA_SPARTAN2	1	    /* using Xilinx Spartan 2 now    */
#define CONFIG_SYS_FPGA_MAX_SIZE	512*1024    /* 512kByte is enough for XC2S200*/

/* FPGA program pin configuration */
#define CONFIG_SYS_FPGA_PRG		0x00010000  /* FPGA program pin (ppc output) */
#define CONFIG_SYS_FPGA_CLK		0x00040000  /* FPGA clk pin (ppc output)     */
#define CONFIG_SYS_FPGA_DATA		0x00020000  /* FPGA data pin (ppc output)    */
#define CONFIG_SYS_FPGA_INIT		0x00080000  /* FPGA init pin (ppc input)     */
#define CONFIG_SYS_FPGA_DONE		0x00100000  /* FPGA done pin (ppc input)     */

#endif	/* _TASREG_H */
Commit	Line	Data
a20b27a3 SR	1	/*
	2	* Configuation settings for the esd TASREG board.
	3	*
	4	* (C) Copyright 2004
	5	* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
	6	*
	7	* See file CREDITS for list of people who contributed to this
	8	* project.
	9	*
	10	* This program is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU General Public License as
	12	* published by the Free Software Foundation; either version 2 of
	13	* the License, or (at your option) any later version.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	23	* MA 02111-1307 USA
	24	*/
	25
	26	/*
	27	* board/config.h - configuration options, board specific
	28	*/
	29
	30	#ifndef _TASREG_H
	31	#define _TASREG_H
	32
	33	#ifndef __ASSEMBLY__
	34	#include <asm/m5249.h>
	35	#endif
	36
	37	/*
	38	* High Level Configuration Options
	39	* (easy to change)
	40	*/
	41	#define CONFIG_MCF52x2 /* define processor family */
	42	#define CONFIG_M5249 /* define processor type */
	43
	44	#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
	45
aa93d859 TL	46	#define CONFIG_MCFTMR
	47
	48	#define CONFIG_MCFUART
6d0f6bcf	49	#define CONFIG_SYS_UART_PORT (0)
a20b27a3	50	#define CONFIG_BAUDRATE 19200
6d0f6bcf	51	#define CONFIG_SYS_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
a20b27a3 SR	52
	53	#undef CONFIG_WATCHDOG
	54
	55	#undef CONFIG_MONITOR_IS_IN_RAM /* no pre-loader required!!! ;-) */
	56
a5562901	57
a1aa0bb5 JL	58	/*
	59	* BOOTP options
	60	*/
	61	#define CONFIG_BOOTP_BOOTFILESIZE
	62	#define CONFIG_BOOTP_BOOTPATH
	63	#define CONFIG_BOOTP_GATEWAY
	64	#define CONFIG_BOOTP_HOSTNAME
	65
	66
a5562901 JL	67	/*
	68	* Command line configuration.
	69	*/
	70	#include <config_cmd_default.h>
	71
	72	#define CONFIG_CMD_BSP
	73	#define CONFIG_CMD_EEPROM
	74	#define CONFIG_CMD_I2C
	75
	76	#undef CONFIG_CMD_NET
	77
	78
a20b27a3 SR	79	#define CONFIG_BOOTDELAY 3
a20b27a3 SR	80
6d0f6bcf JCPV	81	#define CONFIG_SYS_PROMPT "=> "
6d0f6bcf JCPV	82	#define CONFIG_SYS_LONGHELP /* undef to save memory */
a20b27a3	83
a5562901	84	#if defined(CONFIG_CMD_KGDB)
6d0f6bcf	85	#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
a20b27a3	86	#else
6d0f6bcf	87	#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
a20b27a3	88	#endif
6d0f6bcf JCPV	89	#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
	90	#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
	91	#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
a20b27a3	92
6d0f6bcf JCPV	93	#define CONFIG_SYS_DEVICE_NULLDEV 1 /* include nulldev device */
6d0f6bcf JCPV	94	#define CONFIG_SYS_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
a20b27a3 SR	95	#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
	96	#define CONFIG_LOOPW 1 /* enable loopw command */
	97	#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
	98
6d0f6bcf	99	#define CONFIG_SYS_LOAD_ADDR 0x200000 /* default load address */
a20b27a3	100
6d0f6bcf JCPV	101	#define CONFIG_SYS_MEMTEST_START 0x400
6d0f6bcf JCPV	102	#define CONFIG_SYS_MEMTEST_END 0x380000
a20b27a3	103
6d0f6bcf	104	#define CONFIG_SYS_HZ 1000
a20b27a3 SR	105
	106	/*
	107	* Clock configuration: enable only one of the following options
	108	*/
	109
	110	#if 0 /* this setting will run the cpu at 11MHz */
6d0f6bcf JCPV	111	#define CONFIG_SYS_PLL_BYPASS 1 /* bypass PLL for test purpose */
	112	#undef CONFIG_SYS_FAST_CLK /* MCF5249 can run at 140MHz */
	113	#define CONFIG_SYS_CLK 11289600 /* PLL bypass */
a20b27a3 SR	114	#endif
	115
	116	#if 0 /* this setting will run the cpu at 70MHz */
6d0f6bcf JCPV	117	#undef CONFIG_SYS_PLL_BYPASS /* bypass PLL for test purpose */
	118	#undef CONFIG_SYS_FAST_CLK /* MCF5249 can run at 140MHz */
	119	#define CONFIG_SYS_CLK 72185018 /* The next lower speed */
a20b27a3 SR	120	#endif
	121
	122	#if 1 /* this setting will run the cpu at 140MHz */
6d0f6bcf JCPV	123	#undef CONFIG_SYS_PLL_BYPASS /* bypass PLL for test purpose */
	124	#define CONFIG_SYS_FAST_CLK 1 /* MCF5249 can run at 140MHz */
	125	#define CONFIG_SYS_CLK 132025600 /* MCF5249 can run at 140MHz */
a20b27a3 SR	126	#endif
	127
	128	/*
	129	* Low Level Configuration Settings
	130	* (address mappings, register initial values, etc.)
	131	* You should know what you are doing if you make changes here.
	132	*/
	133
6d0f6bcf JCPV	134	#define CONFIG_SYS_MBAR 0x10000000 /* Register Base Addrs */
6d0f6bcf JCPV	135	#define CONFIG_SYS_MBAR2 0x80000000
a20b27a3 SR	136
	137	/*-----------------------------------------------------------------------
	138	* I2C
	139	*/
	140	#define CONFIG_SOFT_I2C
6d0f6bcf JCPV	141	#define CONFIG_SYS_I2C_SPEED 100000 /* I2C speed and slave address */
	142	#define CONFIG_SYS_I2C_SLAVE 0x7F
	143	#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC32 */
	144	#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */
a20b27a3	145	/* mask of address bits that overflow into the "EEPROM chip address" */
6d0f6bcf JCPV	146	#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x01
6d0f6bcf JCPV	147	#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5 /* The Catalyst CAT24WC32 has */
a20b27a3 SR	148	/* 32 byte page write mode using*/
a20b27a3 SR	149	/* last 5 bits of the address */
6d0f6bcf	150	#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
a20b27a3 SR	151
	152	#if defined (CONFIG_SOFT_I2C)
	153	#if 0 /* push-pull */
	154	#define SDA 0x00800000
	155	#define SCL 0x00000008
6d0f6bcf JCPV	156	#define DIR0 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_EN))
	157	#define DIR1 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO1_EN))
	158	#define OUT0 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_OUT))
	159	#define OUT1 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO1_OUT))
	160	#define IN0 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_READ))
	161	#define IN1 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO1_READ))
a20b27a3 SR	162	#define I2C_INIT {OUT1\|=SDA;OUT0\|=SCL;}
	163	#define I2C_READ ((IN1&SDA)?1:0)
	164	#define I2C_SDA(x) {if(x)OUT1\|=SDA;else OUT1&=~SDA;}
	165	#define I2C_SCL(x) {if(x)OUT0\|=SCL;else OUT0&=~SCL;}
	166	#define I2C_DELAY {udelay(5);}
	167	#define I2C_ACTIVE {DIR1\|=SDA;}
	168	#define I2C_TRISTATE {DIR1&=~SDA;}
	169	#else /* open-collector */
	170	#define SDA 0x00800000
	171	#define SCL 0x00000008
6d0f6bcf JCPV	172	#define DIR0 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_EN))
	173	#define DIR1 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO1_EN))
	174	#define OUT0 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_OUT))
	175	#define OUT1 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO1_OUT))
	176	#define IN0 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO_READ))
	177	#define IN1 ((volatile ulong)(CONFIG_SYS_MBAR2+MCFSIM_GPIO1_READ))
a20b27a3 SR	178	#define I2C_INIT {DIR1&=~SDA;DIR0&=~SCL;OUT1&=~SDA;OUT0&=~SCL;}
	179	#define I2C_READ ((IN1&SDA)?1:0)
	180	#define I2C_SDA(x) {if(x)DIR1&=~SDA;else DIR1\|=SDA;}
	181	#define I2C_SCL(x) {if(x)DIR0&=~SCL;else DIR0\|=SCL;}
	182	#define I2C_DELAY {udelay(5);}
	183	#define I2C_ACTIVE {DIR1\|=SDA;}
	184	#define I2C_TRISTATE {DIR1&=~SDA;}
	185	#endif
	186	#endif
	187
	188	/*-----------------------------------------------------------------------
	189	* Definitions for initial stack pointer and data area (in DPRAM)
	190	*/
6d0f6bcf JCPV	191	#define CONFIG_SYS_INIT_RAM_ADDR 0x20000000
	192	#define CONFIG_SYS_INIT_RAM_END 0x1000 /* End of used area in internal SRAM */
	193	#define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
	194	#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
	195	#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
a20b27a3	196
5a1aceb0	197	#define CONFIG_ENV_IS_IN_FLASH 1
0e8d1586 JCPV	198	#define CONFIG_ENV_ADDR 0xFFC40000 /* Address of Environment Sector*/
	199	#define CONFIG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
	200	#define CONFIG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
a20b27a3 SR	201
	202	/*-----------------------------------------------------------------------
	203	* Start addresses for the final memory configuration
	204	* (Set up by the startup code)
6d0f6bcf	205	* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
a20b27a3	206	*/
6d0f6bcf JCPV	207	#define CONFIG_SYS_SDRAM_BASE 0x00000000
	208	#define CONFIG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */
	209	#define CONFIG_SYS_FLASH_BASE 0xffc00000
a20b27a3 SR	210
	211	#if 0 /* test-only */
	212	#define CONFIG_PRAM 512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */
	213	#endif
	214
6d0f6bcf	215	#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400)
a20b27a3	216
6d0f6bcf JCPV	217	#define CONFIG_SYS_MONITOR_LEN 0x20000
	218	#define CONFIG_SYS_MALLOC_LEN (1 * 10241024) / Reserve 1 MB for malloc() */
	219	#define CONFIG_SYS_BOOTPARAMS_LEN 64*1024
a20b27a3 SR	220
	221	/*
	222	* For booting Linux, the board info and command line data
	223	* have to be in the first 8 MB of memory, since this is
	224	* the maximum mapped by the Linux kernel during initialization ??
	225	*/
6d0f6bcf	226	#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
a20b27a3 SR	227
	228	/*-----------------------------------------------------------------------
	229	* FLASH organization
	230	*/
6d0f6bcf JCPV	231	#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
6d0f6bcf JCPV	232	#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
a20b27a3	233
6d0f6bcf JCPV	234	#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
6d0f6bcf JCPV	235	#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
a20b27a3	236
6d0f6bcf JCPV	237	#define CONFIG_SYS_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
	238	#define CONFIG_SYS_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
	239	#define CONFIG_SYS_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
a20b27a3 SR	240	/*
	241	* The following defines are added for buggy IOP480 byte interface.
	242	* All other boards should use the standard values (CPCI405 etc.)
	243	*/
6d0f6bcf JCPV	244	#define CONFIG_SYS_FLASH_READ0 0x0000 /* 0 is standard */
	245	#define CONFIG_SYS_FLASH_READ1 0x0001 /* 1 is standard */
	246	#define CONFIG_SYS_FLASH_READ2 0x0002 /* 2 is standard */
a20b27a3	247
6d0f6bcf	248	#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
a20b27a3 SR	249
	250	/*-----------------------------------------------------------------------
	251	* Cache Configuration
	252	*/
6d0f6bcf	253	#define CONFIG_SYS_CACHELINE_SIZE 16
a20b27a3 SR	254
	255	/*-----------------------------------------------------------------------
	256	* Memory bank definitions
	257	*/
	258
	259	/* CS0 - AMD Flash, address 0xffc00000 */
6d0f6bcf JCPV	260	#define CONFIG_SYS_CSAR0 0xffc0
6d0f6bcf JCPV	261	#define CONFIG_SYS_CSCR0 0x1980 /* WS=0110, AA=1, PS=10 */
a20b27a3	262	/ Note: There is a CSMR0/DRAM vector problem, need to disable C/I */
6d0f6bcf	263	#define CONFIG_SYS_CSMR0 0x003f0021 /* 4MB, AA=0, WP=0, C/I=1, V=1 */
a20b27a3 SR	264
a20b27a3 SR	265	/* CS1 - FPGA, address 0xe0000000 */
6d0f6bcf JCPV	266	#define CONFIG_SYS_CSAR1 0xe000
	267	#define CONFIG_SYS_CSCR1 0x0d80 /* WS=0011, AA=1, PS=10 */
	268	#define CONFIG_SYS_CSMR1 0x00010001 /* 128kB, AA=0, WP=0, C/I=0, V=1*/
a20b27a3 SR	269
	270	/*-----------------------------------------------------------------------
	271	* Port configuration
	272	*/
6d0f6bcf JCPV	273	#define CONFIG_SYS_GPIO_FUNC 0x00000008 /* Set gpio pins: none */
	274	#define CONFIG_SYS_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54*/
	275	#define CONFIG_SYS_GPIO_EN 0x00000008 /* Set gpio output enable */
	276	#define CONFIG_SYS_GPIO1_EN 0x00c70000 /* Set gpio output enable */
	277	#define CONFIG_SYS_GPIO_OUT 0x00000008 /* Set outputs to default state */
	278	#define CONFIG_SYS_GPIO1_OUT 0x00c70000 /* Set outputs to default state */
a20b27a3	279
6d0f6bcf	280	#define CONFIG_SYS_GPIO1_LED 0x00400000 /* user led */
a20b27a3 SR	281
	282	/*-----------------------------------------------------------------------
	283	* FPGA stuff
	284	*/
6d0f6bcf JCPV	285	#define CONFIG_SYS_FPGA_SPARTAN2 1 /* using Xilinx Spartan 2 now */
6d0f6bcf JCPV	286	#define CONFIG_SYS_FPGA_MAX_SIZE 5121024 / 512kByte is enough for XC2S200*/
a20b27a3 SR	287
a20b27a3 SR	288	/* FPGA program pin configuration */
6d0f6bcf JCPV	289	#define CONFIG_SYS_FPGA_PRG 0x00010000 /* FPGA program pin (ppc output) */
	290	#define CONFIG_SYS_FPGA_CLK 0x00040000 /* FPGA clk pin (ppc output) */
	291	#define CONFIG_SYS_FPGA_DATA 0x00020000 /* FPGA data pin (ppc output) */
	292	#define CONFIG_SYS_FPGA_INIT 0x00080000 /* FPGA init pin (ppc input) */
	293	#define CONFIG_SYS_FPGA_DONE 0x00100000 /* FPGA done pin (ppc input) */
a20b27a3 SR	294
a20b27a3 SR	295	#endif /* _TASREG_H */