include/configs/QS850.h - github/trini/u-boot - Gitiles

 /*
  * (C) Copyright 2003
  * MuLogic B.V.
  *
  * (C) Copyright 2002
  * Simple Network Magic Corporation
  *
  * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 /*
  * 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_MPC850		1	/* This is a MPC850 CPU */
 #define CONFIG_QS850		1	/* ...on a QS850 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 */

 #define CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1 */
 #undef CONFIG_8xx_CONS_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#=QS850\0" \
 	"hostname=qs850\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#=QS850\0" \
 	"hostname=qs850\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_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 */

 /*-----------------------------------------------------------------------
  * 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 QS850 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 QS850.
  *-----------------------------------------------------------------------
  */

 /* 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.
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	/*
	* 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_MPC850 1 /* This is a MPC850 CPU */
	#define CONFIG_QS850 1 /* ...on a QS850 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 */

	#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
	#undef CONFIG_8xx_CONS_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#=QS850\0" \
	"hostname=qs850\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#=QS850\0" \
	"hostname=qs850\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_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 */

	/*-----------------------------------------------------------------------
	* 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 QS850 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 QS850.
	*-----------------------------------------------------------------------
	*/

	/* 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 */