path: root/include/configs/sc3.h

/*
 * (C) Copyright 2007
 * Heiko Schocher, DENX Software Engineering, <hs@denx.de>.
 *
 * From:
 * (C) Copyright 2003
 * Juergen Beisert, EuroDesign embedded technologies, jbeisert@eurodsn.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
 */

#ifndef __CONFIG_H
#define __CONFIG_H

#undef USE_VGA_GRAPHICS

/* Memory Map
 * 0x00000000 .... 0x03FFFFFF -> RAM (up to 128MiB)
 * 0x74000000 .... 0x740FFFFF -> CS#6
 * 0x74100000 .... 0x741FFFFF -> CS#7
 * 0x74200000 .... 0x742FFFFF -> CS4# if no internal USB
 * 0x74300000 .... 0x743FFFFF -> CS5# if no boosted IDE
 * 0x77C00000 .... 0x77CFFFFF -> CS4# USB HC (1 MiB)
 * 0x77D00000 .... 0x77DFFFFF -> CS1# NAND-Flash (1 MiB)
 * 0x78000000 .... 0x78FFFFFF -> CS2# ISA-Bus Speicherzugriff (16 MiB)
 * 0x79000000 .... 0x7900FFFF -> CS2# ISA-Bus IO-Zugriff (16 MiB, mapped: 64kiB)
 * 0x79010000 .... 0x79FFFFFF -> CS2# ISA-Bus IO-Zugriff (mirrored)
 * 0x7A000000 .... 0x7A0FFFFF -> CS5# IDE emulation (1MiB)
 *
 * 0x80000000 .... 0x9FFFFFFF -> PCI-Bus Speicherzugriff (512MiB, mapped: 1:1)
 * 0xA0000000 .... 0xBFFFFFFF -> PCI-Bus Speicherzugriff (512MiB, mapped: 0x00000000...0x1FFFFFFF)
 * 0xE8000000 .... 0xE800FFFF -> PCI-Bus IO-Zugriff (64kiB, translated to PCI: 0x0000...0xFFFF)
 * 0xE8800000 .... 0xEBFFFFFF -> PCI-Bus IO-Zugriff (56MiB, translated to PCI: 0x00800000...0x3FFFFFF)
 * 0xEED00000 .... 0xEED00003 -> PCI-Bus
 * 0xEF400000 .... 0xEF40003F -> PCI-Bus Local Configuration Registers
 * 0xEF40003F .... 0xEF5FFFFF -> reserved
 * 0xEF600000 .... 0xEFFFFFFF -> 405GP internal Devices (10 MiB)
 * 0xF0000000 .... 0xF01FFFFF -> Flash-ROM (2 MiB)
 * 0xF0200000 .... 0xF7FFFFFF -> free for flash devices
 * 0xF8000000 .... 0xF8000FFF -> OnChipMemory (4kiB)
 * 0xF8001000 .... 0xFFDFFFFF -> free for flash devices
 * 0xFFE00000 .... 0xFFFFFFFF -> BOOT-ROM (2 MiB)
 */

#define CONFIG_SC3	1
#define CONFIG_4xx	1
#define CONFIG_405GP	1

#define CONFIG_BOARD_EARLY_INIT_F	1

/*
 * Define IDE_USES_ISA_EMULATION for slower IDE access in the ISA-IO address range
 * If undefined, IDE access uses a seperat emulation with higher access speed.
 * Consider to inform your Linux IDE driver about the different addresses!
 * IDE_USES_ISA_EMULATION is only used if you define CONFIG_CMD_IDE!
 */
#define IDE_USES_ISA_EMULATION

/*-----------------------------------------------------------------------
 * Serial Port
 *----------------------------------------------------------------------*/
#define CONFIG_SERIAL_MULTI
#undef CONFIG_SERIAL_SOFTWARE_FIFO
/*
 * define CONFIG_POWER_DOWN if your cpu should power down while waiting for your input
 * Works only, if you have enabled the CONFIG_SERIAL_SOFTWARE_FIFO feature
 */
#if CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_POWER_DOWN
#endif

/*
 * define CONFIG_SYS_CLK_FREQ to your base crystal clock in Hz
 */
#define CONFIG_SYS_CLK_FREQ	33333333

/*
 * define CONFIG_BAUDRATE to the baudrate value you want to use as default
 */
#define CONFIG_BAUDRATE		115200
#define CONFIG_BOOTDELAY	3 /* autoboot after 3 seconds	      */

#define CONFIG_PREBOOT	"echo;"	\
	"echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
	"echo"

#undef	CONFIG_BOOTARGS

#define	CONFIG_EXTRA_ENV_SETTINGS					\
	"netdev=eth0\0"							\
	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
		"nfsroot=${serverip}:${rootpath}\0"			\
	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
	"nand_args=setenv bootargs root=/dev/mtdblock5 rw"		\
		"rootfstype=jffs2\0"					\
	"addip=setenv bootargs ${bootargs} "				\
		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
		":${hostname}:${netdev}:off panic=1\0"			\
	"addcons=setenv bootargs ${bootargs} "				\
		"console=ttyS0,${baudrate}\0"				\
	"flash_nfs=run nfsargs addip addcons;"				\
		"bootm ${kernel_addr}\0"				\
	"flash_nand=run nand_args addip addcons;bootm ${kernel_addr}\0"	\
	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addcons;"	\
		"bootm\0"						\
	"rootpath=/opt/eldk/ppc_4xx\0"					\
	"bootfile=/tftpboot/sc3/uImage\0"				\
	"u-boot=/tftpboot/sc3/u-boot.bin\0"				\
	"setup=tftp 200000 /tftpboot/sc3/setup.img;autoscr 200000\0"	\
	"kernel_addr=FFE08000\0"					\
	""
#undef CONFIG_BOOTCOMMAND

#define CONFIG_SILENT_CONSOLE	1	/* enable silent startup */
#define CFG_DEVICE_NULLDEV	1	/* include nulldev device	*/

#if 1	/* feel free to disable for development */
#define CONFIG_AUTOBOOT_KEYED		/* Enable password protection	*/
#define CONFIG_AUTOBOOT_PROMPT		\
	"\nSC3 - booting... stop with ENTER\n"
#define CONFIG_AUTOBOOT_DELAY_STR	"\r"	/* 1st "password"	*/
#define CONFIG_AUTOBOOT_DELAY_STR2	"\n"	/* 1st "password"	*/
#endif

/*
 * define CONFIG_BOOTCOMMAND to the autoboot commands. They will running after
 * the CONFIG_BOOTDELAY delay to boot your machine
 */
#define CONFIG_BOOTCOMMAND	"bootp;dcache on;bootm"

/*
 * define CONFIG_BOOTARGS to the default kernel parameters. They will used if you don't
 * set different values at the u-boot prompt
 */
#ifdef USE_VGA_GRAPHICS
 #define CONFIG_BOOTARGS	"root=/dev/nfs rw ip=bootp nfsroot=/tftpboot/solidcard3re"
#else
 #define CONFIG_BOOTARGS	"console=ttyS0,115200 root=/dev/nfs rw ip=bootp"
#endif
/*
 * Is the USB host controller assembled? If yes define CONFIG_ISP1161_PRESENT
 * This reserves memory bank #4 for this purpose
 */
#undef CONFIG_ISP1161_PRESENT

#undef CONFIG_LOADS_ECHO   /* no echo on for serial download	*/
#define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change	*/

#define CONFIG_NET_MULTI
/* #define CONFIG_EEPRO100_SROM_WRITE */
/* #define CONFIG_SHOW_MAC */
#define CONFIG_EEPRO100
#define CONFIG_MII 1			/* add 405GP MII PHY management		*/
#define CONFIG_PHY_ADDR 1	/* the connected Phy defaults to address 1 */

/*
 * 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_AUTOSCRIPT
#define CONFIG_CMD_PCI
#define CONFIG_CMD_IRQ
#define CONFIG_CMD_NET
#define CONFIG_CMD_MII
#define CONFIG_CMD_PING
#define CONFIG_CMD_NAND
#define CONFIG_CMD_JFFS2
#define CONFIG_CMD_I2C
#define CONFIG_CMD_IDE
#define CONFIG_CMD_DATE
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_ELF


#undef CONFIG_WATCHDOG			/* watchdog disabled		*/

/*
 * Miscellaneous configurable options
 */
#define CFG_LONGHELP	1		/* undef to save memory		*/
#define CFG_PROMPT	"SC3> "	/* Monitor Command Prompt	*/
#define	CFG_CBSIZE	256		/* Console I/O Buffer Size	*/

#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_MEMTEST_START	0x0400000	/* memtest works on	*/
#define CFG_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/

/*
 * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
 * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
 * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
 * The Linux BASE_BAUD define should match this configuration.
 *    baseBaud = cpuClock/(uartDivisor*16)
 * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
 * set Linux BASE_BAUD to 403200.
 *
 * Consider the OPB clock! If it get lower the BASE_BAUD must be lower to
 * (see 405GP datasheet for descritpion)
 */
#undef	CFG_EXT_SERIAL_CLOCK		/* external serial clock */
#undef	CFG_405_UART_ERRATA_59		/* 405GP/CR Rev. D silicon */
#define CFG_BASE_BAUD		921600	/* internal clock */

/* The following table includes the supported baudrates */
#define CFG_BAUDRATE_TABLE  \
    {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}

#define CFG_LOAD_ADDR		0x1000000	/* default load address */
#define CFG_EXTBDINFO		1	/* To use extended board_into (bd_t) */

#define	CFG_HZ			1000	/* decrementer freq: 1 ms ticks	*/

/*-----------------------------------------------------------------------
 * IIC stuff
 *-----------------------------------------------------------------------
 */
#define  CONFIG_HARD_I2C		/* I2C with hardware support	*/
#undef	CONFIG_SOFT_I2C			/* I2C bit-banged		*/

#define I2C_INIT
#define I2C_ACTIVE 0
#define I2C_TRISTATE 0

#define CFG_I2C_SPEED		100000	/* use the standard 100kHz speed */
#define CFG_I2C_SLAVE		0x7F		/* mask valid bits */

#define CONFIG_RTC_DS1337
#define CFG_I2C_RTC_ADDR 0x68

/*-----------------------------------------------------------------------
 * PCI stuff
 *-----------------------------------------------------------------------
 */
#define PCI_HOST_ADAPTER 0		/* configure ar pci adapter	*/
#define PCI_HOST_FORCE	1		/* configure as pci host	*/
#define PCI_HOST_AUTO	2		/* detected via arbiter enable	*/

#define CONFIG_PCI			/* include pci support		*/
#define CONFIG_PCI_HOST	PCI_HOST_FORCE	/* select pci host function	*/
#define CONFIG_PCI_PNP			/* do pci plug-and-play		*/
					/* resource configuration	*/

/* If you want to see, whats connected to your PCI bus */
/* #define CONFIG_PCI_SCAN_SHOW */

#define CFG_PCI_SUBSYS_VENDORID 0x0000	/* PCI Vendor ID: to-do!!!	*/
#define CFG_PCI_SUBSYS_DEVICEID 0x0000	/* PCI Device ID: to-do!!!	*/
#define CFG_PCI_PTM1LA	0x00000000	/* point to sdram		*/
#define CFG_PCI_PTM1MS	0x80000001	/* 2GB, enable hard-wired to 1	*/
#define CFG_PCI_PTM1PCI 0x00000000	/* Host: use this pci address	*/
#define CFG_PCI_PTM2LA	0x00000000	/* disabled			*/
#define CFG_PCI_PTM2MS	0x00000000	/* disabled			*/
#define CFG_PCI_PTM2PCI 0x04000000	/* Host: use this pci address	*/

/*-----------------------------------------------------------------------
 * External peripheral base address
 *-----------------------------------------------------------------------
 */
#if !defined(CONFIG_CMD_IDE)

#undef	CONFIG_IDE_LED			/* no led for ide supported	*/
#undef	CONFIG_IDE_RESET		/* no reset for ide supported	*/

/*-----------------------------------------------------------------------
 * IDE/ATA stuff
 *-----------------------------------------------------------------------
 */
#else
#define CONFIG_START_IDE	1	/* check, if use IDE */

#undef	CONFIG_IDE_8xx_DIRECT		/* no pcmcia interface required */
#undef	CONFIG_IDE_LED			/* no led for ide supported	*/
#undef	CONFIG_IDE_RESET		/* no reset for ide supported	*/

#define	CONFIG_ATAPI
#define	CONFIG_DOS_PARTITION
#define	CFG_IDE_MAXDEVICE	(CFG_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */

#ifndef IDE_USES_ISA_EMULATION

/* New and faster access */
#define	CFG_ATA_BASE_ADDR		0x7A000000	/* start of ISA IO emulation */

/* How many IDE busses are available */
#define	CFG_IDE_MAXBUS		1

/* What IDE ports are available */
#define	CFG_ATA_IDE0_OFFSET	0x000		/* first is available */
#undef	CFG_ATA_IDE1_OFFSET			/* second not available */

/* access to the data port is calculated:
   CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */
#define CFG_ATA_DATA_OFFSET	0x0000	/* Offset for data I/O */

/* access to the registers is calculated:
   CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */
#define	CFG_ATA_REG_OFFSET	0x0000	/* Offset for normal register accesses	*/

/* access to the alternate register is calculated:
   CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */
#define CFG_ATA_ALT_OFFSET	0x008		/* Offset for alternate registers	*/

#else /* IDE_USES_ISA_EMULATION */

#define	CFG_ATA_BASE_ADDR		0x79000000	/* start of ISA IO emulation */

/* How many IDE busses are available */
#define	CFG_IDE_MAXBUS		1

/* What IDE ports are available */
#define	CFG_ATA_IDE0_OFFSET	0x01F0	/* first is available */
#undef	CFG_ATA_IDE1_OFFSET				/* second not available */

/* access to the data port is calculated:
   CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */
#define CFG_ATA_DATA_OFFSET	0x0000	/* Offset for data I/O */

/* access to the registers is calculated:
   CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */
#define	CFG_ATA_REG_OFFSET	0x0000	/* Offset for normal register accesses	*/

/* access to the alternate register is calculated:
   CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */
#define CFG_ATA_ALT_OFFSET	0x03F0		/* Offset for alternate registers	*/

#endif /* IDE_USES_ISA_EMULATION */

#endif

/*
#define	CFG_KEY_REG_BASE_ADDR	0xF0100000
#define	CFG_IR_REG_BASE_ADDR	0xF0200000
#define	CFG_FPGA_REG_BASE_ADDR	0xF0300000
*/

/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 * Please note that CFG_SDRAM_BASE _must_ start at 0
 *
 * CFG_FLASH_BASE   -> start address of internal flash
 * CFG_MONITOR_BASE -> start of u-boot
 */
#ifndef __ASSEMBLER__
extern unsigned long offsetOfBigFlash;
extern unsigned long offsetOfEnvironment;
#endif

#define CFG_SDRAM_BASE		0x00000000
#define CFG_FLASH_BASE		0xFFE00000
#define CFG_MONITOR_BASE	0xFFFC0000     /* placed last 256k */
#define CFG_MONITOR_LEN		(224 * 1024)	/* Reserve 224 KiB for Monitor	*/
#define CFG_MALLOC_LEN		(128 * 1024)	/* Reserve 128 KiB for malloc()	*/

/*
 * For booting Linux, the board info and command line data
 * have to be in the first 8 MiB 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 ## FIXME: lookup in datasheet
 */
#define CFG_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
#define CFG_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/

#define CFG_FLASH_CFI			/* flash is CFI compat.	*/
#define CFG_FLASH_CFI_DRIVER		/* Use common CFI driver*/
#define CFG_FLASH_EMPTY_INFO		/* print 'E' for empty sector	*/
#define CFG_FLASH_QUIET_TEST	1	/* don't warn upon unknown flash*/
#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_WRITE_SWAPPED_DATA		/* swap Databytes between reading/writing */

#define CFG_ENV_IS_IN_FLASH	1
#if CFG_ENV_IS_IN_FLASH
#define CFG_ENV_OFFSET		0x00000000  /* Offset of Environment Sector in bottom type */
#define CFG_ENV_SIZE		0x4000	    /* Total Size of Environment Sector	*/
#define CFG_ENV_SECT_SIZE	0x4000	    /* see README - env sector total size	*/

/* Address and size of Redundant Environment Sector	*/
#define CFG_ENV_OFFSET_REDUND	(CFG_ENV_OFFSET+CFG_ENV_SIZE)
#define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)

#endif
/* let us changing anything in our environment */
#define CONFIG_ENV_OVERWRITE

/*
 * NAND-FLASH stuff
 */
#define CFG_MAX_NAND_DEVICE	1
#define NAND_MAX_CHIPS		1
#define CFG_NAND_BASE		0x77D00000


#define CONFIG_JFFS2_NAND 1			/* jffs2 on nand support */

/* No command line, one static partition */
#undef	CONFIG_JFFS2_CMDLINE
#define CONFIG_JFFS2_DEV		"nand0"
#define CONFIG_JFFS2_PART_SIZE		0x01000000
#define CONFIG_JFFS2_PART_OFFSET	0x00000000

/*
 * Init Memory Controller:
 *
 */

#define FLASH_BASE0_PRELIM	CFG_FLASH_BASE
#define FLASH_BASE1_PRELIM	0

/*-----------------------------------------------------------------------
 * Some informations about the internal SRAM (OCM=On Chip Memory)
 *
 * CFG_OCM_DATA_ADDR -> location
 * CFG_OCM_DATA_SIZE -> size
*/

#define CFG_TEMP_STACK_OCM	1
#define CFG_OCM_DATA_ADDR	0xF8000000
#define CFG_OCM_DATA_SIZE	0x1000

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM):
 * - we are using the internal 4k SRAM, so we don't need data cache mapping
 * - internal SRAM (OCM=On Chip Memory) is placed to CFG_OCM_DATA_ADDR
 * - Stackpointer will be located to
 *   (CFG_INIT_RAM_ADDR&0xFFFF0000) | (CFG_INIT_SP_OFFSET&0x0000FFFF)
 *   in cpu/ppc4xx/start.S
 */

#undef CFG_INIT_DCACHE_CS
/* Where the internal SRAM starts */
#define CFG_INIT_RAM_ADDR	CFG_OCM_DATA_ADDR
/* Where the internal SRAM ends (only offset) */
#define CFG_INIT_RAM_END	0x0F00

/*

 CFG_INIT_RAM_ADDR ------> ------------ lower address
			   |	      |
			   |  ^       |
			   |  |       |
			   |  | Stack |
 CFG_GBL_DATA_OFFSET ----> ------------
			   |	      |
			   | 64 Bytes |
			   |	      |
 CFG_INIT_RAM_END  ------> ------------ higher address
  (offset only)

*/
/* size in bytes reserved for initial data */
#define CFG_GBL_DATA_SIZE     64
#define CFG_GBL_DATA_OFFSET   (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
/* Initial value of the stack pointern in internal SRAM */
#define CFG_INIT_SP_OFFSET    CFG_GBL_DATA_OFFSET

/*
 * Internal Definitions
 *
 * Boot Flags
 */
#define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
#define BOOTFLAG_WARM	0x02		/* Software reboot			*/

/* ################################################################################### */
/* These defines will be used in cpu/ppc4xx/cpu_init.c to setup external chip selects  */
/* They are currently undefined cause they are initiaized in board/solidcard3/init.S   */

/* This chip select accesses the boot device */
/* It depends on boot select switch if this device is 16 or 8 bit */

#undef CFG_EBC_PB0AP
#undef CFG_EBC_PB0CR

#undef CFG_EBC_PB1AP
#undef CFG_EBC_PB1CR

#undef CFG_EBC_PB2AP
#undef CFG_EBC_PB2CR

#undef CFG_EBC_PB3AP
#undef CFG_EBC_PB3CR

#undef CFG_EBC_PB4AP
#undef CFG_EBC_PB4CR

#undef CFG_EBC_PB5AP
#undef CFG_EBC_PB5CR

#undef CFG_EBC_PB6AP
#undef CFG_EBC_PB6CR

#undef CFG_EBC_PB7AP
#undef CFG_EBC_PB7CR

#define CFG_EBC_CFG    0xb84ef000

#define CONFIG_SDRAM_BANK0	/* use the standard SDRAM initialization */
#undef CONFIG_SPD_EEPROM

/*
 * Define this to get more information about system configuration
 */
/* #define SC3_DEBUGOUT */
#undef SC3_DEBUGOUT

/***********************************************************************
 * External peripheral base address
 ***********************************************************************/

#define CFG_ISA_MEM_BASE_ADDRESS 0x78000000
/*
 Die Grafik-Treiber greifen über die Adresse in diesem Macro auf den Chip zu.
 Das funktioniert bei deren Karten, weil sie eine PCI-Bridge benutzen, die
 das gleiche Mapping durchführen kann, wie der SC520 (also Aufteilen von IO-Zugriffen
 auf ISA- und PCI-Zyklen)
 */
#define CFG_ISA_IO_BASE_ADDRESS  0xE8000000
/*#define CFG_ISA_IO_BASE_ADDRESS  0x79000000 */

/************************************************************
 * Video support
 ************************************************************/

#ifdef USE_VGA_GRAPHICS
#define CONFIG_VIDEO		/* To enable video controller support */
#define CONFIG_VIDEO_CT69000
#define CONFIG_CFB_CONSOLE
/* #define CONFIG_VIDEO_LOGO */
#define CONFIG_VGA_AS_SINGLE_DEVICE
#define CONFIG_VIDEO_SW_CURSOR
/* #define CONFIG_VIDEO_HW_CURSOR */
#define CONFIG_VIDEO_ONBOARD	/* Video controller is on-board */

#define VIDEO_HW_RECTFILL
#define VIDEO_HW_BITBLT

#endif

/************************************************************
 * Ident
 ************************************************************/
#define CONFIG_SC3_VERSION "r1.4"

#define POST_OUT(x) (*((volatile unsigned char*)(0x79000080))=x)

#endif	/* __CONFIG_H */