include/configs/QS823.h - u-boot - Git at Google


            
            /*

            
             * (C) Copyright 2003

            
             * MuLogic B.V.

            
             *

            
             * (C) Copyright 2002

            
             * Simple Network Magic Corporation

            
             *

            
             * (C) Copyright 2000

            
             * Wolfgang Denk, DENX Software Engineering, wd@denx.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

            
             */


            /*

            
             * board/config.h - configuration options, board specific

            
             */


            #ifndef __CONFIG_H

            
            #define __CONFIG_H


            /* various debug settings */

            
            #undef CONFIG_SYS_DEVICE_NULLDEV		/* null device */

            
            #undef CONFIG_SILENT_CONSOLE		/* silent console */

            
            #undef CONFIG_SYS_CONSOLE_INFO_QUIET		/* silent console ? */

            
            #undef DEBUG_FLASH			/* debug flash code */

            
            #undef FLASH_DEBUG			/* debug fash code */

            
            #undef DEBUG_ENV			/* debug environment code */


            #define CONFIG_SYS_DIRECT_FLASH_TFTP	1	/* allow direct tftp to flash */

            
            #define CONFIG_ENV_OVERWRITE	1	/* allow overwrite MAC address */


            /*

            
             * High Level Configuration Options

            
             * (easy to change)

            
             */

            
            #define CONFIG_MPC823		1	/* This is a MPC823 CPU */

            
            #define CONFIG_QS823		1	/* ...on a QS823 module */

            
            #define CONFIG_SCC2_ENET	1	/* SCC2 10BaseT ethernet */


            #define	CONFIG_SYS_TEXT_BASE	0xFFF00000


            /* Select the target clock speed */

            
            #undef CONFIG_CLOCK_16MHZ		/* cpu=16,777,216 Hz, mem=16Mhz */

            
            #undef CONFIG_CLOCK_33MHZ		/* cpu=33,554,432 Hz, mem=33Mhz */

            
            #undef CONFIG_CLOCK_50MHZ		/* cpu=49,971,200 Hz, mem=33Mhz */

            
            #define CONFIG_CLOCK_66MHZ	1	/* cpu=67,108,864 Hz, mem=66Mhz */

            
            #undef CONFIG_CLOCK_80MHZ		/* cpu=79,986,688 Hz, mem=33Mhz */


            #ifdef CONFIG_CLOCK_16MHZ

            
            #define CONFIG_CLOCK_MULT	512

            
            #endif


            #ifdef CONFIG_CLOCK_33MHZ

            
            #define CONFIG_CLOCK_MULT	1024

            
            #endif


            #ifdef CONFIG_CLOCK_50MHZ

            
            #define CONFIG_CLOCK_MULT	1525

            
            #endif


            #ifdef CONFIG_CLOCK_66MHZ

            
            #define CONFIG_CLOCK_MULT	2048

            
            #endif


            #ifdef CONFIG_CLOCK_80MHZ

            
            #define CONFIG_CLOCK_MULT	2441

            
            #endif


            /* choose flash size, 4Mb or 8Mb */

            
            #define CONFIG_FLASH_4MB	1	/* board has 4Mb flash */

            
            #undef CONFIG_FLASH_8MB			/* board has 8Mb flash */


            #define CONFIG_CLOCK_BASE	32768	/* Base clock input freq */


            #undef CONFIG_8xx_CONS_SMC1

            
            #define CONFIG_8xx_CONS_SMC2	1	/* Console is on SMC2 */

            
            #undef CONFIG_8xx_CONS_NONE


            #define CONFIG_BAUDRATE		38400	/* console baudrate = 38.4kbps */


            #undef CONFIG_CLOCKS_IN_MHZ		/* clocks passsed to Linux in MHz */


            /* Define default IP addresses */

            
            #define CONFIG_IPADDR		192.168.1.99	/* own ip address */

            
            #define CONFIG_SERVERIP		192.168.1.19	/* used for tftp (not nfs?) */


            /* message to say directly after booting */

            
            #define CONFIG_PREBOOT		"echo '';" \

            
            	"echo 'type:';" \

            
            	"echo 'run boot_nfs       to boot to NFS';" \

            
            	"echo 'run boot_flash     to boot to flash';" \

            
            	"echo '';" \

            
            	"echo 'run flash_rootfs   to install a new rootfs';" \

            
            	"echo 'run flash_env      to clear the env sector';" \

            
            	"echo 'run flash_rw       to clear the rw fs';" \

            
            	"echo 'run flash_uboot    to install a new u-boot';" \

            
            	"echo 'run flash_kernel   to install a new kernel';"


            /* wait 5 seconds before executing CONFIG_BOOTCOMMAND */

            
            #define CONFIG_BOOTDELAY	5

            
            #define CONFIG_BOOTCOMMAND	"run boot_nfs"


            #undef CONFIG_BOOTARGS		/* made by set_nfs of set_flash */


            /* Our flash filesystem looks like this

            
             *

            
             * 4Mb board:

            
             * ffc0 0000 - ffeb ffff	root filesystem (jffs2) (~3Mb)

            
             * ffec 0000 - ffed ffff	read-write filesystem (ext2)

            
             * ffee 0000 - ffef ffff	environment

            
             * fff0 0000 - fff1 ffff	u-boot

            
             * fff2 0000 - ffff ffff	linux kernel

            
             *

            
             * 8Mb board:

            
             * ff80 0000 - ffeb ffff	root filesystem (jffs2) (~7Mb)

            
             * ffec 0000 - ffed ffff	read-write filesystem (ext2)

            
             * ffee 0000 - ffef ffff	environment

            
             * fff0 0000 - fff1 ffff	u-boot

            
             * fff2 0000 - ffff ffff	linux kernel

            
             *

            
             */


            /* environment for 4Mb board */

            
            #ifdef CONFIG_FLASH_4MB

            
            #define CONFIG_EXTRA_ENV_SETTINGS \

            
            	"serial#=QS823\0" \

            
            	"hostname=qs823\0" \

            
            	"netdev=eth0\0" \

            
            	"ethaddr=00:01:02:B4:36:56\0" \

            
            	"rootpath=/exports/rootfs\0" \

            
            	"mtdparts=mtdparts=phys:2816k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \

            
            	/* fill in variables */ \

            
            	"set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \

            
            	"set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \

            
            	"set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \

            
            	/* commands */ \

            
            	"boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \

            
            	"boot_flash=run set_ip; run set_flash; bootm fff20000\0" \

            
            	/* reinstall flash parts */ \

            
            	"flash_rootfs=protect off ffc00000 ffebffff; era ffc00000 ffebffff; tftp ffc00000 /tftpboot/rootfs.jffs2\0" \

            
            	"flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \

            
            	"flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \

            
            	"flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.4mb.bin\0" \

            
            	"flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"

            
            #endif /* CONFIG_FLASH_4MB */


            /* environment for 8Mb board */

            
            #ifdef CONFIG_FLASH_8MB

            
            #define CONFIG_EXTRA_ENV_SETTINGS \

            
            	"serial#=QS823\0" \

            
            	"hostname=qs823\0" \

            
            	"netdev=eth0\0" \

            
            	"ethaddr=00:01:02:B4:36:56\0" \

            
            	"rootpath=/exports/rootfs\0" \

            
            	"mtdparts=mtdparts=phys:6912k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \

            
            	/* fill in variables */ \

            
            	"set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \

            
            	"set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \

            
            	"set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \

            
            	/* commands */ \

            
            	"boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \

            
            	"boot_flash=run set_ip; run set_flash; bootm fff20000\0" \

            
            	/* reinstall flash parts */ \

            
            	"flash_rootfs=protect off ff800000 ffebffff; era ff800000 ffebffff; tftp ff800000 /tftpboot/rootfs.jffs2\0" \

            
            	"flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \

            
            	"flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \

            
            	"flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.8mb.bin\0" \

            
            	"flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"

            
            #endif /* CONFIG_FLASH_8MB */


            #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */

            
            #undef CONFIG_SYS_LOADS_BAUD_CHANGE		/* don't allow baudrate change */

            
            #undef CONFIG_WATCHDOG			/* watchdog disabled */

            
            #undef CONFIG_STATUS_LED		/* Status LED disabled */

            
            #undef CONFIG_CAN_DRIVER		/* CAN Driver support disabled */


            /*

            
             * BOOTP options

            
             */

            
            #define CONFIG_BOOTP_SUBNETMASK

            
            #define CONFIG_BOOTP_GATEWAY

            
            #define CONFIG_BOOTP_HOSTNAME

            
            #define CONFIG_BOOTP_BOOTPATH

            
            #define CONFIG_BOOTP_BOOTFILESIZE


            #undef CONFIG_MAC_PARTITION

            
            #undef CONFIG_DOS_PARTITION


            #define CONFIG_RTC_MPC8xx	/* use internal RTC of MPC8xx */


            /*

            
             * Command line configuration.

            
             */

            
            #define CONFIG_CMD_BDI

            
            #define CONFIG_CMD_BOOTD

            
            #define CONFIG_CMD_CONSOLE

            
            #define CONFIG_CMD_DATE

            
            #define CONFIG_CMD_SAVEENV

            
            #define CONFIG_CMD_FLASH

            
            #define CONFIG_CMD_IMI

            
            #define CONFIG_CMD_IMMAP

            
            #define CONFIG_CMD_MEMORY

            
            #define CONFIG_CMD_NET

            
            #define CONFIG_CMD_RUN


            /*-----------------------------------------------------------------------

            
             * Environment variable storage is in FLASH, one sector before U-boot

            
             */

            
            #define CONFIG_ENV_IS_IN_FLASH	1

            
            #define CONFIG_ENV_SECT_SIZE	0x20000		/* 128Kb, one whole sector */

            
            #define CONFIG_ENV_SIZE		0x2000		/* 8kb */

            
            #define CONFIG_ENV_ADDR		0xffee0000	/* address of env sector */


            /*-----------------------------------------------------------------------

            
             * Miscellaneous configurable options

            
             */

            
            #define CONFIG_SYS_LONGHELP				/* undef to save memory */

            
            #define CONFIG_SYS_PROMPT		"=> "		/* Monitor Command Prompt */


            #define CONFIG_SYS_HUSH_PARSER		1		/* use "hush" command parser */


            #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_MEMTEST_START	0x0400000	/* memtest works */

            
            #define CONFIG_SYS_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM */


            #define CONFIG_SYS_LOAD_ADDR		0x400000	/* default load address */


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


            /*-----------------------------------------------------------------------

            
             * Low Level Configuration Settings

            
             * (address mappings, register initial values, etc.)

            
             * You should know what you are doing if you make changes here.

            
             */


            /*-----------------------------------------------------------------------

            
             * Internal Memory Mapped Register

            
             */

            
            #define CONFIG_SYS_IMMR		0xFF000000


            /*-----------------------------------------------------------------------

            
             * Definitions for initial stack pointer and data area (in DPRAM)

            
             */

            
            #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_IMMR

            
            #define CONFIG_SYS_INIT_RAM_SIZE	0x2F00		/* Size of used area in DPRAM */

            
            #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)

            
            #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET


            /*-----------------------------------------------------------------------

            
             * 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_FLASH_BASE		0xFF800000	/* Allow an 8Mbyte window */


            #define FLASH_BASE0_4M_PRELIM	0xFFC00000	/* Base for 4M Flash */

            
            #define FLASH_BASE0_8M_PRELIM	0xFF800000	/* Base for 8M Flash */


            #define CONFIG_SYS_MONITOR_LEN		(192 << 10)	/* Reserve 192 kB for Monitor */

            
            #define CONFIG_SYS_MONITOR_BASE	0xFFF00000	/* U-boot location */

            
            #define CONFIG_SYS_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc() */


            /*

            
             * 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 */


            /*-----------------------------------------------------------------------

            
             * TODO flash parameters

            
             * FLASH organization for Intel Strataflash

            
             */

            
            #undef  CONFIG_SYS_FLASH_16BIT				/* 32-bit wide flash memory */

            
            #define CONFIG_SYS_MAX_FLASH_BANKS	1		/* max number of memory banks */

            
            #define CONFIG_SYS_MAX_FLASH_SECT	71		/* 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) */


            /*-----------------------------------------------------------------------

            
             * Cache Configuration

            
             */

            
            #define CONFIG_SYS_CACHELINE_SIZE	16		/* For all MPC8xx CPUs */

            
            #if defined(CONFIG_CMD_KGDB)

            
            #define CONFIG_SYS_CACHELINE_SHIFT	4		/* log base 2 of the above value */

            
            #endif


            /*-----------------------------------------------------------------------

            
             * SYPCR - System Protection Control 11-9

            
             * SYPCR can only be written once after reset!

            
             *-----------------------------------------------------------------------

            
             * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze

            
             */


            #ifdef CONFIG_WATCHDOG

            
            #define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)

            
            #else

            
            #define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWRI | SYPCR_SWP)

            
            #endif


            /*-----------------------------------------------------------------------

            
             * SIUMCR - SIU Module Configuration 11-6

            
             *-----------------------------------------------------------------------

            
             */

            
            #define CONFIG_SYS_SIUMCR	(SIUMCR_DLK | SIUMCR_DPC | SIUMCR_MPRE | SIUMCR_MLRC01 | SIUMCR_GB5E)


            /*-----------------------------------------------------------------------

            
             * TBSCR - Time Base Status and Control 11-26

            
             *-----------------------------------------------------------------------

            
             */

            
            #define CONFIG_SYS_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)


            /*-----------------------------------------------------------------------

            
             * RTCSC - Real-Time Clock Status and Control Register 11-27

            
             *-----------------------------------------------------------------------

            
             */

            
            #define CONFIG_SYS_RTCSC	(RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)


            /*-----------------------------------------------------------------------

            
             * PISCR - Periodic Interrupt Status and Control 11-31

            
             *-----------------------------------------------------------------------

            
             */

            
            #define CONFIG_SYS_PISCR	(PISCR_PS | PISCR_PITF)


            /*-----------------------------------------------------------------------

            
             * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30

            
             *-----------------------------------------------------------------------

            
             */


            /* MF (Multiplication Factor of SPLL) */

            
            /* Sets the QS823 to specified clock from 32KHz clock at EXTAL. */

            
            #define vPLPRCR_MF	((CONFIG_CLOCK_MULT+1) << 20)

            
            #define CONFIG_SYS_PLPRCR	(vPLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | PLPRCR_LOLRE)


            /*-----------------------------------------------------------------------

            
             * SCCR - System Clock and reset Control Register		15-27

            
             *-----------------------------------------------------------------------

            
             */

            
            #if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)

            
            #define CONFIG_SYS_SCCR		(SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG00)

            
            #define CONFIG_SYS_BRGCLK_PRESCALE	1

            
            #endif


            #if defined(CONFIG_CLOCK_66MHZ)

            
            #define CONFIG_SYS_SCCR		(SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG01)

            
            #define CONFIG_SYS_BRGCLK_PRESCALE	4

            
            #endif


            #if defined(CONFIG_CLOCK_80MHZ)

            
            #define CONFIG_SYS_SCCR		(SCCR_TBS | SCCR_EBDF01 | SCCR_DFBRG01)

            
            #define CONFIG_SYS_BRGCLK_PRESCALE	4

            
            #endif


            #define SCCR_MASK		CONFIG_SYS_SCCR


            /*-----------------------------------------------------------------------

            
             * Debug Enable Register

            
             * 0x73E67C0F - All interrupts handled by BDM

            
             * 0x00824001 - Only interrupts needed by MWDebug.exe handled by BDM

            
             *-----------------------------------------------------------------------

            
            #define CONFIG_SYS_DER			0x73E67C0F

            
            #define CONFIG_SYS_DER			0x0082400F


             #-------------------------------------------------------------------------

            
             # Program the Debug Enable Register (DER). This register provides the user

            
             # with the reason for entering into the debug mode. We want all conditions

            
             # to end up as an exception. We don't want to enter into debug mode for

            
             # any condition. See the back of of the Development Support section of the

            
             # MPC860 User Manual for a description of this register.

            
             #-------------------------------------------------------------------------

            
            */

            
            #define CONFIG_SYS_DER			0


            /*-----------------------------------------------------------------------

            
             * Memory Controller Initialization Constants

            
             *-----------------------------------------------------------------------

            
             */


            /*

            
             * BR0 and OR0 (AMD dual FLASH devices)

            
             * Base address = 0xFFF0_0000 - 0xFFF7_FFFF (After relocation)

            
             */

            
            #define CONFIG_SYS_PRELIM_OR_AM

            
            #define CONFIG_SYS_OR_TIMING_FLASH


            /*

            
             *-----------------------------------------------------------------------

            
             * Base Register 0 (BR0): Bank 0 is assigned to the 8Mbyte (2M X 32)

            
             *                        flash that resides on the QS823.

            
             *-----------------------------------------------------------------------

            
             */


            /* BA (Base Address) = 0xFF80+0b for a total of 17 bits. 17 bit base addr */

            
            /*                     represents a minumum 32K block size. */

            
            #define vBR0_BA			((0xFF80 << 16) + (0 << 15))

            
            #define CONFIG_SYS_BR0_PRELIM		(vBR0_BA | BR_V)


            /* AM (Address Mask) = 0xFF80+0b = We've masked the upper 9 bits        */

            
            /*                                 which defines a 8 Mbyte memory block. */

            
            #define vOR0_AM			((0xFF80 << 16) + (0 << 15))


            #if defined(CONFIG_CLOCK_50MHZ) || defined(CONFIG_CLOCK_80MHZ)

            
            /*  0101 = Add a 5 clock cycle wait state */

            
            #define CONFIG_SYS_OR0_PRELIM		(vOR0_AM | OR_CSNT_SAM | 0R_ACS_DIV4 | OR_BI | OR_SCY_5_CLK)

            
            #endif


            #if defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_66MHZ)

            
            /*  0011 = Add a 3 clock cycle wait state */

            
            /*  29.8ns clock * (3 + 2) = 149ns cycle time */

            
            #define CONFIG_SYS_OR0_PRELIM		(vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK)

            
            #endif


            #if defined(CONFIG_CLOCK_16MHZ)

            
            /*  0010 = Add a 2 clock cycle wait state */

            
            #define CONFIG_SYS_OR0_PRELIM		(vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK)

            
            #endif


            /*

            
             * BR1 and OR1 (SDRAM)

            
             * Base Address = 0x00000000 - 0x00FF_FFFF (16M After relocation)

            
             * Base Address = 0x00000000 - 0x01FF_FFFF (32M After relocation)

            
             * Base Address = 0x00000000 - 0x03FF_FFFF (64M After relocation)

            
             * Base Address = 0x00000000 - 0x07FF_FFFF (128M After relocation)

            
             */


            #define SDRAM_BASE		0x00000000	/* SDRAM bank */

            
            #define SDRAM_PRELIM_OR_AM	0xF8000000	/* map max. 128 MB */


            /* AM (Address Mask) = 0xF800+0b = We've masked the upper 5 bits which

            
             *                                 represents a 128 Mbyte block the DRAM in

            
             *                                 this address base.

            
             */

            
            #define vOR1_AM			((0xF800 << 16) + (0 << 15))

            
            #define vBR1_BA			((0x0000 << 16) + (0 << 15))

            
            #define CONFIG_SYS_OR1			(vOR1_AM | OR_CSNT_SAM | OR_BI)

            
            #define CONFIG_SYS_BR1			(vBR1_BA | BR_MS_UPMA | BR_V)


            /* Machine A Mode Register */


            /* PTA Periodic Timer A */


            #if defined(CONFIG_CLOCK_80MHZ)

            
            #define vMAMR_PTA		(19 << 24)

            
            #endif


            #if defined(CONFIG_CLOCK_66MHZ)

            
            #define vMAMR_PTA		(16 << 24)

            
            #endif


            #if defined(CONFIG_CLOCK_50MHZ)

            
            #define vMAMR_PTA		(195 << 24)

            
            #endif


            #if defined(CONFIG_CLOCK_33MHZ)

            
            #define vMAMR_PTA		(131 << 24)

            
            #endif


            #if defined(CONFIG_CLOCK_16MHZ)

            
            #define vMAMR_PTA		(65 << 24)

            
            #endif


            /* For boards with 16M of SDRAM */

            
            #define SDRAM_16M_MAX_SIZE	0x01000000	/* max 16MB SDRAM */

            
            #define CONFIG_SYS_16M_MAMR		(vMAMR_PTA | MAMR_AMA_TYPE_0 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A11 |\

            
            MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)


            /* For boards with 32M of SDRAM */

            
            #define SDRAM_32M_MAX_SIZE	0x02000000	/* max 32MB SDRAM */

            
            #define CONFIG_SYS_32M_MAMR		(vMAMR_PTA | MAMR_AMA_TYPE_1 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A10 |\

            
            MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)


            /* Memory Periodic Timer Prescaler Register */


            #if defined(CONFIG_CLOCK_66MHZ) || defined(CONFIG_CLOCK_80MHZ)

            
            /* Divide by 32 */

            
            #define CONFIG_SYS_MPTPR		0x02

            
            #endif


            #if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)

            
            /* Divide by 16 */

            
            #define CONFIG_SYS_MPTPR		0x04

            
            #endif


            /*

            
             * BR2 and OR2 (Unused)

            
             * Base address = 0xF020_0000 - 0xF020_0FFF

            
             *

            
             */

            
            #define CONFIG_SYS_OR2_PRELIM		0xFFF00000

            
            #define CONFIG_SYS_BR2_PRELIM		0xF0200000


            /*

            
             * BR3 and OR3 (External Bus CS3)

            
             * Base address = 0xF030_0000 - 0xF030_0FFF

            
             *

            
             */

            
            #define CONFIG_SYS_OR3_PRELIM		0xFFF00000

            
            #define CONFIG_SYS_BR3_PRELIM		0xF0300000


            /*

            
             * BR4 and OR4 (External Bus CS3)

            
             * Base address = 0xF040_0000 - 0xF040_0FFF

            
             *

            
             */

            
            #define CONFIG_SYS_OR4_PRELIM		0xFFF00000

            
            #define CONFIG_SYS_BR4_PRELIM		0xF0400000


            /*

            
             * BR4 and OR4 (External Bus CS3)

            
             * Base address = 0xF050_0000 - 0xF050_0FFF

            
             *

            
             */

            
            #define CONFIG_SYS_OR5_PRELIM		0xFFF00000

            
            #define CONFIG_SYS_BR5_PRELIM		0xF0500000


            /*

            
             * BR6 and OR6 (Unused)

            
             * Base address = 0xF060_0000 - 0xF060_0FFF

            
             *

            
             */

            
            #define CONFIG_SYS_OR6_PRELIM		0xFFF00000

            
            #define CONFIG_SYS_BR6_PRELIM		0xF0600000


            /*

            
             * BR7 and OR7 (Unused)

            
             * Base address = 0xF070_0000 - 0xF070_0FFF

            
             *

            
             */

            
            #define CONFIG_SYS_OR7_PRELIM		0xFFF00000

            
            #define CONFIG_SYS_BR7_PRELIM		0xF0700000


            /*

            
             * Sanity checks

            
             */

            
            #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)

            
            #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured

            
            #endif


            #endif /* __CONFIG_H */
	/*
	* (C) Copyright 2003
	* MuLogic B.V.
	*
	* (C) Copyright 2002
	* Simple Network Magic Corporation
	*
	* (C) Copyright 2000
	* Wolfgang Denk, DENX Software Engineering, wd@denx.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
	*/

	/*
	* board/config.h - configuration options, board specific
	*/

	#ifndef __CONFIG_H
	#define __CONFIG_H

	/* various debug settings */
	#undef CONFIG_SYS_DEVICE_NULLDEV /* null device */
	#undef CONFIG_SILENT_CONSOLE /* silent console */
	#undef CONFIG_SYS_CONSOLE_INFO_QUIET /* silent console ? */
	#undef DEBUG_FLASH /* debug flash code */
	#undef FLASH_DEBUG /* debug fash code */
	#undef DEBUG_ENV /* debug environment code */

	#define CONFIG_SYS_DIRECT_FLASH_TFTP 1 /* allow direct tftp to flash */
	#define CONFIG_ENV_OVERWRITE 1 /* allow overwrite MAC address */

	/*
	* High Level Configuration Options
	* (easy to change)
	*/
	#define CONFIG_MPC823 1 /* This is a MPC823 CPU */
	#define CONFIG_QS823 1 /* ...on a QS823 module */
	#define CONFIG_SCC2_ENET 1 /* SCC2 10BaseT ethernet */

	#define CONFIG_SYS_TEXT_BASE 0xFFF00000

	/* Select the target clock speed */
	#undef CONFIG_CLOCK_16MHZ /* cpu=16,777,216 Hz, mem=16Mhz */
	#undef CONFIG_CLOCK_33MHZ /* cpu=33,554,432 Hz, mem=33Mhz */
	#undef CONFIG_CLOCK_50MHZ /* cpu=49,971,200 Hz, mem=33Mhz */
	#define CONFIG_CLOCK_66MHZ 1 /* cpu=67,108,864 Hz, mem=66Mhz */
	#undef CONFIG_CLOCK_80MHZ /* cpu=79,986,688 Hz, mem=33Mhz */

	#ifdef CONFIG_CLOCK_16MHZ
	#define CONFIG_CLOCK_MULT 512
	#endif

	#ifdef CONFIG_CLOCK_33MHZ
	#define CONFIG_CLOCK_MULT 1024
	#endif

	#ifdef CONFIG_CLOCK_50MHZ
	#define CONFIG_CLOCK_MULT 1525
	#endif

	#ifdef CONFIG_CLOCK_66MHZ
	#define CONFIG_CLOCK_MULT 2048
	#endif

	#ifdef CONFIG_CLOCK_80MHZ
	#define CONFIG_CLOCK_MULT 2441
	#endif

	/* choose flash size, 4Mb or 8Mb */
	#define CONFIG_FLASH_4MB 1 /* board has 4Mb flash */
	#undef CONFIG_FLASH_8MB /* board has 8Mb flash */

	#define CONFIG_CLOCK_BASE 32768 /* Base clock input freq */

	#undef CONFIG_8xx_CONS_SMC1
	#define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
	#undef CONFIG_8xx_CONS_NONE

	#define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */

	#undef CONFIG_CLOCKS_IN_MHZ /* clocks passsed to Linux in MHz */

	/* Define default IP addresses */
	#define CONFIG_IPADDR 192.168.1.99 /* own ip address */
	#define CONFIG_SERVERIP 192.168.1.19 /* used for tftp (not nfs?) */

	/* message to say directly after booting */
	#define CONFIG_PREBOOT "echo '';" \
	"echo 'type:';" \
	"echo 'run boot_nfs to boot to NFS';" \
	"echo 'run boot_flash to boot to flash';" \
	"echo '';" \
	"echo 'run flash_rootfs to install a new rootfs';" \
	"echo 'run flash_env to clear the env sector';" \
	"echo 'run flash_rw to clear the rw fs';" \
	"echo 'run flash_uboot to install a new u-boot';" \
	"echo 'run flash_kernel to install a new kernel';"

	/* wait 5 seconds before executing CONFIG_BOOTCOMMAND */
	#define CONFIG_BOOTDELAY 5
	#define CONFIG_BOOTCOMMAND "run boot_nfs"

	#undef CONFIG_BOOTARGS /* made by set_nfs of set_flash */

	/* Our flash filesystem looks like this
	*
	* 4Mb board:
	* ffc0 0000 - ffeb ffff root filesystem (jffs2) (~3Mb)
	* ffec 0000 - ffed ffff read-write filesystem (ext2)
	* ffee 0000 - ffef ffff environment
	* fff0 0000 - fff1 ffff u-boot
	* fff2 0000 - ffff ffff linux kernel
	*
	* 8Mb board:
	* ff80 0000 - ffeb ffff root filesystem (jffs2) (~7Mb)
	* ffec 0000 - ffed ffff read-write filesystem (ext2)
	* ffee 0000 - ffef ffff environment
	* fff0 0000 - fff1 ffff u-boot
	* fff2 0000 - ffff ffff linux kernel
	*
	*/

	/* environment for 4Mb board */
	#ifdef CONFIG_FLASH_4MB
	#define CONFIG_EXTRA_ENV_SETTINGS \
	"serial#=QS823\0" \
	"hostname=qs823\0" \
	"netdev=eth0\0" \
	"ethaddr=00:01:02:B4:36:56\0" \
	"rootpath=/exports/rootfs\0" \
	"mtdparts=mtdparts=phys:2816k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
	/* fill in variables */ \
	"set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
	"set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
	"set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
	/* commands */ \
	"boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
	"boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
	/* reinstall flash parts */ \
	"flash_rootfs=protect off ffc00000 ffebffff; era ffc00000 ffebffff; tftp ffc00000 /tftpboot/rootfs.jffs2\0" \
	"flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
	"flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
	"flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.4mb.bin\0" \
	"flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
	#endif /* CONFIG_FLASH_4MB */

	/* environment for 8Mb board */
	#ifdef CONFIG_FLASH_8MB
	#define CONFIG_EXTRA_ENV_SETTINGS \
	"serial#=QS823\0" \
	"hostname=qs823\0" \
	"netdev=eth0\0" \
	"ethaddr=00:01:02:B4:36:56\0" \
	"rootpath=/exports/rootfs\0" \
	"mtdparts=mtdparts=phys:6912k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
	/* fill in variables */ \
	"set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
	"set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
	"set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
	/* commands */ \
	"boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
	"boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
	/* reinstall flash parts */ \
	"flash_rootfs=protect off ff800000 ffebffff; era ff800000 ffebffff; tftp ff800000 /tftpboot/rootfs.jffs2\0" \
	"flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
	"flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
	"flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.8mb.bin\0" \
	"flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
	#endif /* CONFIG_FLASH_8MB */

	#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
	#undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
	#undef CONFIG_WATCHDOG /* watchdog disabled */
	#undef CONFIG_STATUS_LED /* Status LED disabled */
	#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */

	/*
	* BOOTP options
	*/
	#define CONFIG_BOOTP_SUBNETMASK
	#define CONFIG_BOOTP_GATEWAY
	#define CONFIG_BOOTP_HOSTNAME
	#define CONFIG_BOOTP_BOOTPATH
	#define CONFIG_BOOTP_BOOTFILESIZE


	#undef CONFIG_MAC_PARTITION
	#undef CONFIG_DOS_PARTITION

	#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */


	/*
	* Command line configuration.
	*/
	#define CONFIG_CMD_BDI
	#define CONFIG_CMD_BOOTD
	#define CONFIG_CMD_CONSOLE
	#define CONFIG_CMD_DATE
	#define CONFIG_CMD_SAVEENV
	#define CONFIG_CMD_FLASH
	#define CONFIG_CMD_IMI
	#define CONFIG_CMD_IMMAP
	#define CONFIG_CMD_MEMORY
	#define CONFIG_CMD_NET
	#define CONFIG_CMD_RUN


	/*-----------------------------------------------------------------------
	* Environment variable storage is in FLASH, one sector before U-boot
	*/
	#define CONFIG_ENV_IS_IN_FLASH 1
	#define CONFIG_ENV_SECT_SIZE 0x20000 /* 128Kb, one whole sector */
	#define CONFIG_ENV_SIZE 0x2000 /* 8kb */
	#define CONFIG_ENV_ADDR 0xffee0000 /* address of env sector */

	/*-----------------------------------------------------------------------
	* Miscellaneous configurable options
	*/
	#define CONFIG_SYS_LONGHELP /* undef to save memory */
	#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */

	#define CONFIG_SYS_HUSH_PARSER 1 /* use "hush" command parser */

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

	#define CONFIG_SYS_LOAD_ADDR 0x400000 /* default load address */

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

	/*-----------------------------------------------------------------------
	* Low Level Configuration Settings
	* (address mappings, register initial values, etc.)
	* You should know what you are doing if you make changes here.
	*/

	/*-----------------------------------------------------------------------
	* Internal Memory Mapped Register
	*/
	#define CONFIG_SYS_IMMR 0xFF000000

	/*-----------------------------------------------------------------------
	* Definitions for initial stack pointer and data area (in DPRAM)
	*/
	#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
	#define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
	#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
	#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET

	/*-----------------------------------------------------------------------
	* 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_FLASH_BASE 0xFF800000 /* Allow an 8Mbyte window */

	#define FLASH_BASE0_4M_PRELIM 0xFFC00000 /* Base for 4M Flash */
	#define FLASH_BASE0_8M_PRELIM 0xFF800000 /* Base for 8M Flash */

	#define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
	#define CONFIG_SYS_MONITOR_BASE 0xFFF00000 /* U-boot location */
	#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */

	/*
	* 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 */

	/*-----------------------------------------------------------------------
	* TODO flash parameters
	* FLASH organization for Intel Strataflash
	*/
	#undef CONFIG_SYS_FLASH_16BIT /* 32-bit wide flash memory */
	#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
	#define CONFIG_SYS_MAX_FLASH_SECT 71 /* 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) */

	/*-----------------------------------------------------------------------
	* Cache Configuration
	*/
	#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
	#if defined(CONFIG_CMD_KGDB)
	#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
	#endif

	/*-----------------------------------------------------------------------
	* SYPCR - System Protection Control 11-9
	* SYPCR can only be written once after reset!
	*-----------------------------------------------------------------------
	* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
	*/

	#ifdef CONFIG_WATCHDOG
	#define CONFIG_SYS_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| SYPCR_SWE \| SYPCR_SWRI \| SYPCR_SWP)
	#else
	#define CONFIG_SYS_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| SYPCR_SWRI \| SYPCR_SWP)
	#endif

	/*-----------------------------------------------------------------------
	* SIUMCR - SIU Module Configuration 11-6
	*-----------------------------------------------------------------------
	*/
	#define CONFIG_SYS_SIUMCR (SIUMCR_DLK \| SIUMCR_DPC \| SIUMCR_MPRE \| SIUMCR_MLRC01 \| SIUMCR_GB5E)

	/*-----------------------------------------------------------------------
	* TBSCR - Time Base Status and Control 11-26
	*-----------------------------------------------------------------------
	*/
	#define CONFIG_SYS_TBSCR (TBSCR_REFA \| TBSCR_REFB \| TBSCR_TBF)

	/*-----------------------------------------------------------------------
	* RTCSC - Real-Time Clock Status and Control Register 11-27
	*-----------------------------------------------------------------------
	*/
	#define CONFIG_SYS_RTCSC (RTCSC_SEC \| RTCSC_ALR \| RTCSC_RTF\| RTCSC_RTE)

	/*-----------------------------------------------------------------------
	* PISCR - Periodic Interrupt Status and Control 11-31
	*-----------------------------------------------------------------------
	*/
	#define CONFIG_SYS_PISCR (PISCR_PS \| PISCR_PITF)

	/*-----------------------------------------------------------------------
	* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
	*-----------------------------------------------------------------------
	*/

	/* MF (Multiplication Factor of SPLL) */
	/* Sets the QS823 to specified clock from 32KHz clock at EXTAL. */
	#define vPLPRCR_MF ((CONFIG_CLOCK_MULT+1) << 20)
	#define CONFIG_SYS_PLPRCR (vPLPRCR_MF \| PLPRCR_SPLSS \| PLPRCR_TEXPS \| PLPRCR_TMIST \| PLPRCR_LOLRE)

	/*-----------------------------------------------------------------------
	* SCCR - System Clock and reset Control Register 15-27
	*-----------------------------------------------------------------------
	*/
	#if defined(CONFIG_CLOCK_16MHZ) \|\| defined(CONFIG_CLOCK_33MHZ) \|\| defined(CONFIG_CLOCK_50MHZ)
	#define CONFIG_SYS_SCCR (SCCR_TBS \| SCCR_EBDF00 \| SCCR_DFBRG00)
	#define CONFIG_SYS_BRGCLK_PRESCALE 1
	#endif

	#if defined(CONFIG_CLOCK_66MHZ)
	#define CONFIG_SYS_SCCR (SCCR_TBS \| SCCR_EBDF00 \| SCCR_DFBRG01)
	#define CONFIG_SYS_BRGCLK_PRESCALE 4
	#endif

	#if defined(CONFIG_CLOCK_80MHZ)
	#define CONFIG_SYS_SCCR (SCCR_TBS \| SCCR_EBDF01 \| SCCR_DFBRG01)
	#define CONFIG_SYS_BRGCLK_PRESCALE 4
	#endif

	#define SCCR_MASK CONFIG_SYS_SCCR

	/*-----------------------------------------------------------------------
	* Debug Enable Register
	* 0x73E67C0F - All interrupts handled by BDM
	* 0x00824001 - Only interrupts needed by MWDebug.exe handled by BDM
	*-----------------------------------------------------------------------
	#define CONFIG_SYS_DER 0x73E67C0F
	#define CONFIG_SYS_DER 0x0082400F

	#-------------------------------------------------------------------------
	# Program the Debug Enable Register (DER). This register provides the user
	# with the reason for entering into the debug mode. We want all conditions
	# to end up as an exception. We don't want to enter into debug mode for
	# any condition. See the back of of the Development Support section of the
	# MPC860 User Manual for a description of this register.
	#-------------------------------------------------------------------------
	*/
	#define CONFIG_SYS_DER 0

	/*-----------------------------------------------------------------------
	* Memory Controller Initialization Constants
	*-----------------------------------------------------------------------
	*/

	/*
	* BR0 and OR0 (AMD dual FLASH devices)
	* Base address = 0xFFF0_0000 - 0xFFF7_FFFF (After relocation)
	*/
	#define CONFIG_SYS_PRELIM_OR_AM
	#define CONFIG_SYS_OR_TIMING_FLASH

	/*
	*-----------------------------------------------------------------------
	* Base Register 0 (BR0): Bank 0 is assigned to the 8Mbyte (2M X 32)
	* flash that resides on the QS823.
	*-----------------------------------------------------------------------
	*/

	/* BA (Base Address) = 0xFF80+0b for a total of 17 bits. 17 bit base addr */
	/* represents a minumum 32K block size. */
	#define vBR0_BA ((0xFF80 << 16) + (0 << 15))
	#define CONFIG_SYS_BR0_PRELIM (vBR0_BA \| BR_V)

	/* AM (Address Mask) = 0xFF80+0b = We've masked the upper 9 bits */
	/* which defines a 8 Mbyte memory block. */
	#define vOR0_AM ((0xFF80 << 16) + (0 << 15))

	#if defined(CONFIG_CLOCK_50MHZ) \|\| defined(CONFIG_CLOCK_80MHZ)
	/* 0101 = Add a 5 clock cycle wait state */
	#define CONFIG_SYS_OR0_PRELIM (vOR0_AM \| OR_CSNT_SAM \| 0R_ACS_DIV4 \| OR_BI \| OR_SCY_5_CLK)
	#endif

	#if defined(CONFIG_CLOCK_33MHZ) \|\| defined(CONFIG_CLOCK_66MHZ)
	/* 0011 = Add a 3 clock cycle wait state */
	/* 29.8ns clock * (3 + 2) = 149ns cycle time */
	#define CONFIG_SYS_OR0_PRELIM (vOR0_AM \| OR_CSNT_SAM \| OR_ACS_DIV4 \| OR_BI \| OR_SCY_3_CLK)
	#endif

	#if defined(CONFIG_CLOCK_16MHZ)
	/* 0010 = Add a 2 clock cycle wait state */
	#define CONFIG_SYS_OR0_PRELIM (vOR0_AM \| OR_CSNT_SAM \| OR_ACS_DIV4 \| OR_BI \| OR_SCY_2_CLK)
	#endif

	/*
	* BR1 and OR1 (SDRAM)
	* Base Address = 0x00000000 - 0x00FF_FFFF (16M After relocation)
	* Base Address = 0x00000000 - 0x01FF_FFFF (32M After relocation)
	* Base Address = 0x00000000 - 0x03FF_FFFF (64M After relocation)
	* Base Address = 0x00000000 - 0x07FF_FFFF (128M After relocation)
	*/

	#define SDRAM_BASE 0x00000000 /* SDRAM bank */
	#define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */

	/* AM (Address Mask) = 0xF800+0b = We've masked the upper 5 bits which
	* represents a 128 Mbyte block the DRAM in
	* this address base.
	*/
	#define vOR1_AM ((0xF800 << 16) + (0 << 15))
	#define vBR1_BA ((0x0000 << 16) + (0 << 15))
	#define CONFIG_SYS_OR1 (vOR1_AM \| OR_CSNT_SAM \| OR_BI)
	#define CONFIG_SYS_BR1 (vBR1_BA \| BR_MS_UPMA \| BR_V)

	/* Machine A Mode Register */

	/* PTA Periodic Timer A */

	#if defined(CONFIG_CLOCK_80MHZ)
	#define vMAMR_PTA (19 << 24)
	#endif

	#if defined(CONFIG_CLOCK_66MHZ)
	#define vMAMR_PTA (16 << 24)
	#endif

	#if defined(CONFIG_CLOCK_50MHZ)
	#define vMAMR_PTA (195 << 24)
	#endif

	#if defined(CONFIG_CLOCK_33MHZ)
	#define vMAMR_PTA (131 << 24)
	#endif

	#if defined(CONFIG_CLOCK_16MHZ)
	#define vMAMR_PTA (65 << 24)
	#endif

	/* For boards with 16M of SDRAM */
	#define SDRAM_16M_MAX_SIZE 0x01000000 /* max 16MB SDRAM */
	#define CONFIG_SYS_16M_MAMR (vMAMR_PTA \| MAMR_AMA_TYPE_0 \| MAMR_DSA_2_CYCL \| MAMR_G0CLA_A11 \|\
	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)

	/* For boards with 32M of SDRAM */
	#define SDRAM_32M_MAX_SIZE 0x02000000 /* max 32MB SDRAM */
	#define CONFIG_SYS_32M_MAMR (vMAMR_PTA \| MAMR_AMA_TYPE_1 \| MAMR_DSA_2_CYCL \| MAMR_G0CLA_A10 \|\
	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)


	/* Memory Periodic Timer Prescaler Register */

	#if defined(CONFIG_CLOCK_66MHZ) \|\| defined(CONFIG_CLOCK_80MHZ)
	/* Divide by 32 */
	#define CONFIG_SYS_MPTPR 0x02
	#endif

	#if defined(CONFIG_CLOCK_16MHZ) \|\| defined(CONFIG_CLOCK_33MHZ) \|\| defined(CONFIG_CLOCK_50MHZ)
	/* Divide by 16 */
	#define CONFIG_SYS_MPTPR 0x04
	#endif

	/*
	* BR2 and OR2 (Unused)
	* Base address = 0xF020_0000 - 0xF020_0FFF
	*
	*/
	#define CONFIG_SYS_OR2_PRELIM 0xFFF00000
	#define CONFIG_SYS_BR2_PRELIM 0xF0200000

	/*
	* BR3 and OR3 (External Bus CS3)
	* Base address = 0xF030_0000 - 0xF030_0FFF
	*
	*/
	#define CONFIG_SYS_OR3_PRELIM 0xFFF00000
	#define CONFIG_SYS_BR3_PRELIM 0xF0300000

	/*
	* BR4 and OR4 (External Bus CS3)
	* Base address = 0xF040_0000 - 0xF040_0FFF
	*
	*/
	#define CONFIG_SYS_OR4_PRELIM 0xFFF00000
	#define CONFIG_SYS_BR4_PRELIM 0xF0400000


	/*
	* BR4 and OR4 (External Bus CS3)
	* Base address = 0xF050_0000 - 0xF050_0FFF
	*
	*/
	#define CONFIG_SYS_OR5_PRELIM 0xFFF00000
	#define CONFIG_SYS_BR5_PRELIM 0xF0500000

	/*
	* BR6 and OR6 (Unused)
	* Base address = 0xF060_0000 - 0xF060_0FFF
	*
	*/
	#define CONFIG_SYS_OR6_PRELIM 0xFFF00000
	#define CONFIG_SYS_BR6_PRELIM 0xF0600000

	/*
	* BR7 and OR7 (Unused)
	* Base address = 0xF070_0000 - 0xF070_0FFF
	*
	*/
	#define CONFIG_SYS_OR7_PRELIM 0xFFF00000
	#define CONFIG_SYS_BR7_PRELIM 0xF0700000

	/*
	* Sanity checks
	*/
	#if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
	#error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
	#endif

	#endif /* __CONFIG_H */