include/configs/MPC8560ADS.h - platform/external/u-boot - Gitiles

 /*
  * Copyright 2004, 2011 Freescale Semiconductor.
  * (C) Copyright 2002,2003 Motorola,Inc.
  * Xianghua Xiao <X.Xiao@motorola.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 /*
  * mpc8560ads board configuration file
  *
  * Please refer to doc/README.mpc85xx for more info.
  *
  * Make sure you change the MAC address and other network params first,
  * search for CONFIG_SERVERIP, etc. in this file.
  */

 #ifndef __CONFIG_H
 #define __CONFIG_H

 #define CONFIG_SYS_GENERIC_BOARD
 #define CONFIG_DISPLAY_BOARDINFO

 /* High Level Configuration Options */
 #define CONFIG_BOOKE		1	/* BOOKE */
 #define CONFIG_E500		1	/* BOOKE e500 family */
 #define CONFIG_CPM2		1	/* has CPM2 */
 #define CONFIG_MPC8560ADS	1	/* MPC8560ADS board specific */
 #define CONFIG_MPC8560		1

 /*
  * default CCARBAR is at 0xff700000
  * assume U-Boot is less than 0.5MB
  */
 #define	CONFIG_SYS_TEXT_BASE	0xfff80000

 #define CONFIG_PCI
 #define CONFIG_PCI_INDIRECT_BRIDGE
 #define CONFIG_SYS_PCI_64BIT	1	/* enable 64-bit PCI resources */
 #define CONFIG_TSEC_ENET		/* tsec ethernet support */
 #undef CONFIG_ETHER_ON_FCC             /* cpm FCC ethernet support */
 #define CONFIG_ENV_OVERWRITE
 #define CONFIG_FSL_LAW		1	/* Use common FSL init code */
 #define CONFIG_RESET_PHY_R	1	/* Call reset_phy() */

 /*
  * sysclk for MPC85xx
  *
  * Two valid values are:
  *    33000000
  *    66000000
  *
  * Most PCI cards are still 33Mhz, so in the presence of PCI, 33MHz
  * is likely the desired value here, so that is now the default.
  * The board, however, can run at 66MHz.  In any event, this value
  * must match the settings of some switches.  Details can be found
  * in the README.mpc85xxads.
  */

 #ifndef CONFIG_SYS_CLK_FREQ
 #define CONFIG_SYS_CLK_FREQ	33000000
 #endif


 /*
  * These can be toggled for performance analysis, otherwise use default.
  */
 #define CONFIG_L2_CACHE			/* toggle L2 cache */
 #define CONFIG_BTB			/* toggle branch predition */

 #define CONFIG_SYS_INIT_DBCR DBCR_IDM		/* Enable Debug Exceptions */

 #define CONFIG_SYS_MEMTEST_START	0x00200000	/* memtest region */
 #define CONFIG_SYS_MEMTEST_END		0x00400000

 #define CONFIG_SYS_CCSRBAR		0xe0000000
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR

 /* DDR Setup */
 #define CONFIG_SYS_FSL_DDR1
 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
 #define CONFIG_DDR_SPD
 #undef CONFIG_FSL_DDR_INTERACTIVE

 #define CONFIG_MEM_INIT_VALUE		0xDeadBeef

 #define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory*/
 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE

 #define CONFIG_NUM_DDR_CONTROLLERS	1
 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
 #define CONFIG_CHIP_SELECTS_PER_CTRL	(2 * CONFIG_DIMM_SLOTS_PER_CTLR)

 /* I2C addresses of SPD EEPROMs */
 #define SPD_EEPROM_ADDRESS	0x51	/* CTLR 0 DIMM 0 */

 /* These are used when DDR doesn't use SPD.  */
 #define CONFIG_SYS_SDRAM_SIZE	128		/* DDR is 128MB */
 #define CONFIG_SYS_DDR_CS0_BNDS	0x00000007	/* 0-128MB */
 #define CONFIG_SYS_DDR_CS0_CONFIG	0x80000002
 #define CONFIG_SYS_DDR_TIMING_1	0x37344321
 #define CONFIG_SYS_DDR_TIMING_2	0x00000800	/* P9-45,may need tuning */
 #define CONFIG_SYS_DDR_CONTROL		0xc2000000	/* unbuffered,no DYN_PWR */
 #define CONFIG_SYS_DDR_MODE		0x00000062	/* DLL,normal,seq,4/2.5 */
 #define CONFIG_SYS_DDR_INTERVAL	0x05200100	/* autocharge,no open page */

 /*
  * SDRAM on the Local Bus
  */
 #define CONFIG_SYS_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
 #define CONFIG_SYS_LBC_SDRAM_SIZE	64		/* LBC SDRAM is 64MB */

 #define CONFIG_SYS_FLASH_BASE		0xff000000	/* start of FLASH 16M */
 #define CONFIG_SYS_BR0_PRELIM		0xff001801	/* port size 32bit */

 #define CONFIG_SYS_OR0_PRELIM		0xff006ff7	/* 16MB Flash */
 #define CONFIG_SYS_MAX_FLASH_BANKS	1		/* number of banks */
 #define CONFIG_SYS_MAX_FLASH_SECT	64		/* sectors per device */
 #undef	CONFIG_SYS_FLASH_CHECKSUM
 #define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */

 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* start of monitor */

 #if (CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE)
 #define CONFIG_SYS_RAMBOOT
 #else
 #undef  CONFIG_SYS_RAMBOOT
 #endif

 #define CONFIG_FLASH_CFI_DRIVER
 #define CONFIG_SYS_FLASH_CFI
 #define CONFIG_SYS_FLASH_EMPTY_INFO

 #undef CONFIG_CLOCKS_IN_MHZ


 /*
  * Local Bus Definitions
  */

 /*
  * Base Register 2 and Option Register 2 configure SDRAM.
  * The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
  *
  * For BR2, need:
  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
  *    port-size = 32-bits = BR2[19:20] = 11
  *    no parity checking = BR2[21:22] = 00
  *    SDRAM for MSEL = BR2[24:26] = 011
  *    Valid = BR[31] = 1
  *
  * 0    4    8    12   16   20   24   28
  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
  *
  * FIXME: CONFIG_SYS_LBC_SDRAM_BASE should be masked and OR'ed into
  * FIXME: the top 17 bits of BR2.
  */

 #define CONFIG_SYS_BR2_PRELIM		0xf0001861

 /*
  * The SDRAM size in MB, CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
  *
  * For OR2, need:
  *    64MB mask for AM, OR2[0:7] = 1111 1100
  *		   XAM, OR2[17:18] = 11
  *    9 columns OR2[19-21] = 010
  *    13 rows   OR2[23-25] = 100
  *    EAD set for extra time OR[31] = 1
  *
  * 0    4    8    12   16   20   24   28
  * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
  */

 #define CONFIG_SYS_OR2_PRELIM		0xfc006901

 #define CONFIG_SYS_LBC_LCRR		0x00030004    /* LB clock ratio reg */
 #define CONFIG_SYS_LBC_LBCR		0x00000000    /* LB config reg */
 #define CONFIG_SYS_LBC_LSRT		0x20000000    /* LB sdram refresh timer */
 #define CONFIG_SYS_LBC_MRTPR		0x20000000    /* LB refresh timer prescal*/

 #define CONFIG_SYS_LBC_LSDMR_COMMON	( LSDMR_BSMA1516	\
 				| LSDMR_RFCR5		\
 				| LSDMR_PRETOACT3	\
 				| LSDMR_ACTTORW3	\
 				| LSDMR_BL8		\
 				| LSDMR_WRC2		\
 				| LSDMR_CL3		\
 				| LSDMR_RFEN		\
 				)

 /*
  * SDRAM Controller configuration sequence.
  */
 #define CONFIG_SYS_LBC_LSDMR_1	(CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_PCHALL)
 #define CONFIG_SYS_LBC_LSDMR_2	(CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_ARFRSH)
 #define CONFIG_SYS_LBC_LSDMR_3	(CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_ARFRSH)
 #define CONFIG_SYS_LBC_LSDMR_4	(CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_MRW)
 #define CONFIG_SYS_LBC_LSDMR_5	(CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_NORMAL)


 /*
  * 32KB, 8-bit wide for ADS config reg
  */
 #define CONFIG_SYS_BR4_PRELIM          0xf8000801
 #define CONFIG_SYS_OR4_PRELIM		0xffffe1f1
 #define CONFIG_SYS_BCSR		(CONFIG_SYS_BR4_PRELIM & 0xffff8000)

 #define CONFIG_SYS_INIT_RAM_LOCK	1
 #define CONFIG_SYS_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
 #define CONFIG_SYS_INIT_RAM_SIZE	0x4000		/* Size of used area in RAM */

 #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

 #define CONFIG_SYS_MONITOR_LEN		(256 * 1024)    /* Reserve 256 kB for Mon */
 #define CONFIG_SYS_MALLOC_LEN		(128 * 1024)    /* Reserved for malloc */

 /* Serial Port */
 #define CONFIG_CONS_ON_SCC	/* define if console on SCC */
 #undef  CONFIG_CONS_NONE	/* define if console on something else */
 #define CONFIG_CONS_INDEX       1  /* which serial channel for console */

 #define CONFIG_BAUDRATE		115200

 #define CONFIG_SYS_BAUDRATE_TABLE  \
 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}

 /* Use the HUSH parser */
 #define CONFIG_SYS_HUSH_PARSER
 #ifdef  CONFIG_SYS_HUSH_PARSER
 #endif

 /* pass open firmware flat tree */
 #define CONFIG_OF_LIBFDT		1
 #define CONFIG_OF_BOARD_SETUP		1
 #define CONFIG_OF_STDOUT_VIA_ALIAS	1

 /*
  * I2C
  */
 #define CONFIG_SYS_I2C
 #define CONFIG_SYS_I2C_FSL
 #define CONFIG_SYS_FSL_I2C_SPEED	400000
 #define CONFIG_SYS_FSL_I2C_SLAVE	0x7F
 #define CONFIG_SYS_FSL_I2C_OFFSET	0x3000
 #define CONFIG_SYS_I2C_NOPROBES		{ {0, 0x69} }

 /* RapidIO MMU */
 #define CONFIG_SYS_RIO_MEM_VIRT	0xc0000000	/* base address */
 #define CONFIG_SYS_RIO_MEM_BUS	0xc0000000	/* base address */
 #define CONFIG_SYS_RIO_MEM_PHYS	0xc0000000
 #define CONFIG_SYS_RIO_MEM_SIZE	0x20000000	/* 128M */

 /*
  * General PCI
  * Memory space is mapped 1-1, but I/O space must start from 0.
  */
 #define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
 #define CONFIG_SYS_PCI1_MEM_BUS	0x80000000
 #define CONFIG_SYS_PCI1_MEM_PHYS	0x80000000
 #define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M */
 #define CONFIG_SYS_PCI1_IO_VIRT	0xe2000000
 #define CONFIG_SYS_PCI1_IO_BUS	0x00000000
 #define CONFIG_SYS_PCI1_IO_PHYS	0xe2000000
 #define CONFIG_SYS_PCI1_IO_SIZE	0x100000	/* 1M */

 #if defined(CONFIG_PCI)

 #define CONFIG_PCI_PNP			/* do pci plug-and-play */

 #undef CONFIG_EEPRO100
 #undef CONFIG_TULIP

 #if !defined(CONFIG_PCI_PNP)
     #define PCI_ENET0_IOADDR	0xe0000000
     #define PCI_ENET0_MEMADDR	0xe0000000
     #define PCI_IDSEL_NUMBER	0x0c	/* slot0->3(IDSEL)=12->15 */
 #endif

 #undef CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x1057  /* Motorola */

 #endif	/* CONFIG_PCI */


 #ifdef CONFIG_TSEC_ENET

 #ifndef CONFIG_MII
 #define CONFIG_MII		1	/* MII PHY management */
 #endif
 #define CONFIG_TSEC1	1
 #define CONFIG_TSEC1_NAME	"TSEC0"
 #define CONFIG_TSEC2	1
 #define CONFIG_TSEC2_NAME	"TSEC1"
 #define TSEC1_PHY_ADDR		0
 #define TSEC2_PHY_ADDR		1
 #define TSEC1_PHYIDX		0
 #define TSEC2_PHYIDX		0
 #define TSEC1_FLAGS		TSEC_GIGABIT
 #define TSEC2_FLAGS		TSEC_GIGABIT

 /* Options are: TSEC[0-1] */
 #define CONFIG_ETHPRIME		"TSEC0"

 #endif /* CONFIG_TSEC_ENET */

 #ifdef CONFIG_ETHER_ON_FCC		/* CPM FCC Ethernet */

 #undef  CONFIG_ETHER_NONE		/* define if ether on something else */
 #define CONFIG_ETHER_INDEX      2       /* which channel for ether */

 #if (CONFIG_ETHER_INDEX == 2)
   /*
    * - Rx-CLK is CLK13
    * - Tx-CLK is CLK14
    * - Select bus for bd/buffers
    * - Full duplex
    */
   #define CONFIG_SYS_CMXFCR_MASK2      (CMXFCR_FC2 | CMXFCR_RF2CS_MSK | CMXFCR_TF2CS_MSK)
   #define CONFIG_SYS_CMXFCR_VALUE2     (CMXFCR_RF2CS_CLK13 | CMXFCR_TF2CS_CLK14)
   #define CONFIG_SYS_CPMFCR_RAMTYPE    0
   #define CONFIG_SYS_FCC_PSMR          (FCC_PSMR_FDE)
   #define FETH2_RST		0x01
 #elif (CONFIG_ETHER_INDEX == 3)
   /* need more definitions here for FE3 */
   #define FETH3_RST		0x80
 #endif					/* CONFIG_ETHER_INDEX */

 #ifndef CONFIG_MII
 #define CONFIG_MII		1	/* MII PHY management */
 #endif

 #define CONFIG_BITBANGMII		/* bit-bang MII PHY management */

 /*
  * GPIO pins used for bit-banged MII communications
  */
 #define MDIO_PORT	2		/* Port C */
 #define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
 				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
 #define MDC_DECLARE	MDIO_DECLARE

 #define MDIO_ACTIVE	(iop->pdir |=  0x00400000)
 #define MDIO_TRISTATE	(iop->pdir &= ~0x00400000)
 #define MDIO_READ	((iop->pdat &  0x00400000) != 0)

 #define MDIO(bit)	if(bit) iop->pdat |=  0x00400000; \
 			else	iop->pdat &= ~0x00400000

 #define MDC(bit)	if(bit) iop->pdat |=  0x00200000; \
 			else	iop->pdat &= ~0x00200000

 #define MIIDELAY	udelay(1)

 #endif


 /*
  * Environment
  */
 #ifndef CONFIG_SYS_RAMBOOT
   #define CONFIG_ENV_IS_IN_FLASH	1
   #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x40000)
   #define CONFIG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
   #define CONFIG_ENV_SIZE		0x2000
 #else
   #define CONFIG_SYS_NO_FLASH		1	/* Flash is not usable now */
   #define CONFIG_ENV_IS_NOWHERE	1	/* Store ENV in memory only */
   #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - 0x1000)
   #define CONFIG_ENV_SIZE		0x2000
 #endif

 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */

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


 /*
  * Command line configuration.
  */
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_I2C
 #define CONFIG_CMD_ELF
 #define CONFIG_CMD_IRQ
 #define CONFIG_CMD_REGINFO

 #if defined(CONFIG_PCI)
     #define CONFIG_CMD_PCI
 #endif

 #if defined(CONFIG_ETHER_ON_FCC)
     #define CONFIG_CMD_MII
 #endif

 #undef CONFIG_WATCHDOG			/* watchdog disabled */

 /*
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x1000000	/* default load address */

 #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 */

 /*
  * For booting Linux, the board info and command line data
  * have to be in the first 64 MB of memory, since this is
  * the maximum mapped by the Linux kernel during initialization.
  */
 #define CONFIG_SYS_BOOTMAPSZ	(64 << 20)	/* Initial Memory map for Linux*/
 #define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */

 #if defined(CONFIG_CMD_KGDB)
 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
 #endif


 /*
  * Environment Configuration
  */
 #if defined(CONFIG_TSEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
 #define CONFIG_HAS_ETH0
 #define CONFIG_HAS_ETH1
 #define CONFIG_HAS_ETH2
 #define CONFIG_HAS_ETH3
 #endif

 #define CONFIG_IPADDR    192.168.1.253

 #define CONFIG_HOSTNAME		unknown
 #define CONFIG_ROOTPATH		"/nfsroot"
 #define CONFIG_BOOTFILE		"your.uImage"

 #define CONFIG_SERVERIP  192.168.1.1
 #define CONFIG_GATEWAYIP 192.168.1.1
 #define CONFIG_NETMASK   255.255.255.0

 #define CONFIG_LOADADDR  200000	/* default location for tftp and bootm */

 #define CONFIG_BOOTDELAY 10	/* -1 disables auto-boot */
 #undef  CONFIG_BOOTARGS		/* the boot command will set bootargs */

 #define CONFIG_BAUDRATE	115200

 #define	CONFIG_EXTRA_ENV_SETTINGS				        \
 	"netdev=eth0\0"							\
 	"consoledev=ttyCPM\0"						\
 	"ramdiskaddr=1000000\0"						\
 	"ramdiskfile=your.ramdisk.u-boot\0"				\
 	"fdtaddr=400000\0"						\
 	"fdtfile=mpc8560ads.dtb\0"

 #define CONFIG_NFSBOOTCOMMAND	                                        \
 	"setenv bootargs root=/dev/nfs rw "				\
 		"nfsroot=$serverip:$rootpath "				\
 		"ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
 		"console=$consoledev,$baudrate $othbootargs;"		\
 	"tftp $loadaddr $bootfile;"					\
 	"tftp $fdtaddr $fdtfile;"					\
 	"bootm $loadaddr - $fdtaddr"

 #define CONFIG_RAMBOOTCOMMAND \
 	"setenv bootargs root=/dev/ram rw "				\
 		"console=$consoledev,$baudrate $othbootargs;"		\
 	"tftp $ramdiskaddr $ramdiskfile;"				\
 	"tftp $loadaddr $bootfile;"					\
 	"tftp $fdtaddr $fdtfile;"					\
 	"bootm $loadaddr $ramdiskaddr $fdtaddr"

 #define CONFIG_BOOTCOMMAND  CONFIG_NFSBOOTCOMMAND

 #endif	/* __CONFIG_H */
	/*
	* Copyright 2004, 2011 Freescale Semiconductor.
	* (C) Copyright 2002,2003 Motorola,Inc.
	* Xianghua Xiao <X.Xiao@motorola.com>
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	/*
	* mpc8560ads board configuration file
	*
	* Please refer to doc/README.mpc85xx for more info.
	*
	* Make sure you change the MAC address and other network params first,
	* search for CONFIG_SERVERIP, etc. in this file.
	*/

	#ifndef __CONFIG_H
	#define __CONFIG_H

	#define CONFIG_SYS_GENERIC_BOARD
	#define CONFIG_DISPLAY_BOARDINFO

	/* High Level Configuration Options */
	#define CONFIG_BOOKE 1 /* BOOKE */
	#define CONFIG_E500 1 /* BOOKE e500 family */
	#define CONFIG_CPM2 1 /* has CPM2 */
	#define CONFIG_MPC8560ADS 1 /* MPC8560ADS board specific */
	#define CONFIG_MPC8560 1

	/*
	* default CCARBAR is at 0xff700000
	* assume U-Boot is less than 0.5MB
	*/
	#define CONFIG_SYS_TEXT_BASE 0xfff80000

	#define CONFIG_PCI
	#define CONFIG_PCI_INDIRECT_BRIDGE
	#define CONFIG_SYS_PCI_64BIT 1 /* enable 64-bit PCI resources */
	#define CONFIG_TSEC_ENET /* tsec ethernet support */
	#undef CONFIG_ETHER_ON_FCC /* cpm FCC ethernet support */
	#define CONFIG_ENV_OVERWRITE
	#define CONFIG_FSL_LAW 1 /* Use common FSL init code */
	#define CONFIG_RESET_PHY_R 1 /* Call reset_phy() */

	/*
	* sysclk for MPC85xx
	*
	* Two valid values are:
	* 33000000
	* 66000000
	*
	* Most PCI cards are still 33Mhz, so in the presence of PCI, 33MHz
	* is likely the desired value here, so that is now the default.
	* The board, however, can run at 66MHz. In any event, this value
	* must match the settings of some switches. Details can be found
	* in the README.mpc85xxads.
	*/

	#ifndef CONFIG_SYS_CLK_FREQ
	#define CONFIG_SYS_CLK_FREQ 33000000
	#endif


	/*
	* These can be toggled for performance analysis, otherwise use default.
	*/
	#define CONFIG_L2_CACHE /* toggle L2 cache */
	#define CONFIG_BTB /* toggle branch predition */

	#define CONFIG_SYS_INIT_DBCR DBCR_IDM /* Enable Debug Exceptions */

	#define CONFIG_SYS_MEMTEST_START 0x00200000 /* memtest region */
	#define CONFIG_SYS_MEMTEST_END 0x00400000

	#define CONFIG_SYS_CCSRBAR 0xe0000000
	#define CONFIG_SYS_CCSRBAR_PHYS_LOW CONFIG_SYS_CCSRBAR

	/* DDR Setup */
	#define CONFIG_SYS_FSL_DDR1
	#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup*/
	#define CONFIG_DDR_SPD
	#undef CONFIG_FSL_DDR_INTERACTIVE

	#define CONFIG_MEM_INIT_VALUE 0xDeadBeef

	#define CONFIG_SYS_DDR_SDRAM_BASE 0x00000000 /* DDR is system memory*/
	#define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_SDRAM_BASE

	#define CONFIG_NUM_DDR_CONTROLLERS 1
	#define CONFIG_DIMM_SLOTS_PER_CTLR 1
	#define CONFIG_CHIP_SELECTS_PER_CTRL (2 * CONFIG_DIMM_SLOTS_PER_CTLR)

	/* I2C addresses of SPD EEPROMs */
	#define SPD_EEPROM_ADDRESS 0x51 /* CTLR 0 DIMM 0 */

	/* These are used when DDR doesn't use SPD. */
	#define CONFIG_SYS_SDRAM_SIZE 128 /* DDR is 128MB */
	#define CONFIG_SYS_DDR_CS0_BNDS 0x00000007 /* 0-128MB */
	#define CONFIG_SYS_DDR_CS0_CONFIG 0x80000002
	#define CONFIG_SYS_DDR_TIMING_1 0x37344321
	#define CONFIG_SYS_DDR_TIMING_2 0x00000800 /* P9-45,may need tuning */
	#define CONFIG_SYS_DDR_CONTROL 0xc2000000 /* unbuffered,no DYN_PWR */
	#define CONFIG_SYS_DDR_MODE 0x00000062 /* DLL,normal,seq,4/2.5 */
	#define CONFIG_SYS_DDR_INTERVAL 0x05200100 /* autocharge,no open page */

	/*
	* SDRAM on the Local Bus
	*/
	#define CONFIG_SYS_LBC_SDRAM_BASE 0xf0000000 /* Localbus SDRAM */
	#define CONFIG_SYS_LBC_SDRAM_SIZE 64 /* LBC SDRAM is 64MB */

	#define CONFIG_SYS_FLASH_BASE 0xff000000 /* start of FLASH 16M */
	#define CONFIG_SYS_BR0_PRELIM 0xff001801 /* port size 32bit */

	#define CONFIG_SYS_OR0_PRELIM 0xff006ff7 /* 16MB Flash */
	#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* number of banks */
	#define CONFIG_SYS_MAX_FLASH_SECT 64 /* sectors per device */
	#undef CONFIG_SYS_FLASH_CHECKSUM
	#define CONFIG_SYS_FLASH_ERASE_TOUT 60000 /* Flash Erase Timeout (ms) */
	#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (ms) */

	#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* start of monitor */

	#if (CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE)
	#define CONFIG_SYS_RAMBOOT
	#else
	#undef CONFIG_SYS_RAMBOOT
	#endif

	#define CONFIG_FLASH_CFI_DRIVER
	#define CONFIG_SYS_FLASH_CFI
	#define CONFIG_SYS_FLASH_EMPTY_INFO

	#undef CONFIG_CLOCKS_IN_MHZ


	/*
	* Local Bus Definitions
	*/

	/*
	* Base Register 2 and Option Register 2 configure SDRAM.
	* The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
	*
	* For BR2, need:
	* Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
	* port-size = 32-bits = BR2[19:20] = 11
	* no parity checking = BR2[21:22] = 00
	* SDRAM for MSEL = BR2[24:26] = 011
	* Valid = BR[31] = 1
	*
	* 0 4 8 12 16 20 24 28
	* 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
	*
	* FIXME: CONFIG_SYS_LBC_SDRAM_BASE should be masked and OR'ed into
	* FIXME: the top 17 bits of BR2.
	*/

	#define CONFIG_SYS_BR2_PRELIM 0xf0001861

	/*
	* The SDRAM size in MB, CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
	*
	* For OR2, need:
	* 64MB mask for AM, OR2[0:7] = 1111 1100
	* XAM, OR2[17:18] = 11
	* 9 columns OR2[19-21] = 010
	* 13 rows OR2[23-25] = 100
	* EAD set for extra time OR[31] = 1
	*
	* 0 4 8 12 16 20 24 28
	* 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
	*/

	#define CONFIG_SYS_OR2_PRELIM 0xfc006901

	#define CONFIG_SYS_LBC_LCRR 0x00030004 /* LB clock ratio reg */
	#define CONFIG_SYS_LBC_LBCR 0x00000000 /* LB config reg */
	#define CONFIG_SYS_LBC_LSRT 0x20000000 /* LB sdram refresh timer */
	#define CONFIG_SYS_LBC_MRTPR 0x20000000 /* LB refresh timer prescal*/

	#define CONFIG_SYS_LBC_LSDMR_COMMON ( LSDMR_BSMA1516 \
	\| LSDMR_RFCR5 \
	\| LSDMR_PRETOACT3 \
	\| LSDMR_ACTTORW3 \
	\| LSDMR_BL8 \
	\| LSDMR_WRC2 \
	\| LSDMR_CL3 \
	\| LSDMR_RFEN \
	)

	/*
	* SDRAM Controller configuration sequence.
	*/
	#define CONFIG_SYS_LBC_LSDMR_1 (CONFIG_SYS_LBC_LSDMR_COMMON \| LSDMR_OP_PCHALL)
	#define CONFIG_SYS_LBC_LSDMR_2 (CONFIG_SYS_LBC_LSDMR_COMMON \| LSDMR_OP_ARFRSH)
	#define CONFIG_SYS_LBC_LSDMR_3 (CONFIG_SYS_LBC_LSDMR_COMMON \| LSDMR_OP_ARFRSH)
	#define CONFIG_SYS_LBC_LSDMR_4 (CONFIG_SYS_LBC_LSDMR_COMMON \| LSDMR_OP_MRW)
	#define CONFIG_SYS_LBC_LSDMR_5 (CONFIG_SYS_LBC_LSDMR_COMMON \| LSDMR_OP_NORMAL)


	/*
	* 32KB, 8-bit wide for ADS config reg
	*/
	#define CONFIG_SYS_BR4_PRELIM 0xf8000801
	#define CONFIG_SYS_OR4_PRELIM 0xffffe1f1
	#define CONFIG_SYS_BCSR (CONFIG_SYS_BR4_PRELIM & 0xffff8000)

	#define CONFIG_SYS_INIT_RAM_LOCK 1
	#define CONFIG_SYS_INIT_RAM_ADDR 0xe4010000 /* Initial RAM address */
	#define CONFIG_SYS_INIT_RAM_SIZE 0x4000 /* Size of used area in RAM */

	#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

	#define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
	#define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserved for malloc */

	/* Serial Port */
	#define CONFIG_CONS_ON_SCC /* define if console on SCC */
	#undef CONFIG_CONS_NONE /* define if console on something else */
	#define CONFIG_CONS_INDEX 1 /* which serial channel for console */

	#define CONFIG_BAUDRATE 115200

	#define CONFIG_SYS_BAUDRATE_TABLE \
	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}

	/* Use the HUSH parser */
	#define CONFIG_SYS_HUSH_PARSER
	#ifdef CONFIG_SYS_HUSH_PARSER
	#endif

	/* pass open firmware flat tree */
	#define CONFIG_OF_LIBFDT 1
	#define CONFIG_OF_BOARD_SETUP 1
	#define CONFIG_OF_STDOUT_VIA_ALIAS 1

	/*
	* I2C
	*/
	#define CONFIG_SYS_I2C
	#define CONFIG_SYS_I2C_FSL
	#define CONFIG_SYS_FSL_I2C_SPEED 400000
	#define CONFIG_SYS_FSL_I2C_SLAVE 0x7F
	#define CONFIG_SYS_FSL_I2C_OFFSET 0x3000
	#define CONFIG_SYS_I2C_NOPROBES { {0, 0x69} }

	/* RapidIO MMU */
	#define CONFIG_SYS_RIO_MEM_VIRT 0xc0000000 /* base address */
	#define CONFIG_SYS_RIO_MEM_BUS 0xc0000000 /* base address */
	#define CONFIG_SYS_RIO_MEM_PHYS 0xc0000000
	#define CONFIG_SYS_RIO_MEM_SIZE 0x20000000 /* 128M */

	/*
	* General PCI
	* Memory space is mapped 1-1, but I/O space must start from 0.
	*/
	#define CONFIG_SYS_PCI1_MEM_VIRT 0x80000000
	#define CONFIG_SYS_PCI1_MEM_BUS 0x80000000
	#define CONFIG_SYS_PCI1_MEM_PHYS 0x80000000
	#define CONFIG_SYS_PCI1_MEM_SIZE 0x20000000 /* 512M */
	#define CONFIG_SYS_PCI1_IO_VIRT 0xe2000000
	#define CONFIG_SYS_PCI1_IO_BUS 0x00000000
	#define CONFIG_SYS_PCI1_IO_PHYS 0xe2000000
	#define CONFIG_SYS_PCI1_IO_SIZE 0x100000 /* 1M */

	#if defined(CONFIG_PCI)

	#define CONFIG_PCI_PNP /* do pci plug-and-play */

	#undef CONFIG_EEPRO100
	#undef CONFIG_TULIP

	#if !defined(CONFIG_PCI_PNP)
	#define PCI_ENET0_IOADDR 0xe0000000
	#define PCI_ENET0_MEMADDR 0xe0000000
	#define PCI_IDSEL_NUMBER 0x0c /* slot0->3(IDSEL)=12->15 */
	#endif

	#undef CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
	#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */

	#endif /* CONFIG_PCI */


	#ifdef CONFIG_TSEC_ENET

	#ifndef CONFIG_MII
	#define CONFIG_MII 1 /* MII PHY management */
	#endif
	#define CONFIG_TSEC1 1
	#define CONFIG_TSEC1_NAME "TSEC0"
	#define CONFIG_TSEC2 1
	#define CONFIG_TSEC2_NAME "TSEC1"
	#define TSEC1_PHY_ADDR 0
	#define TSEC2_PHY_ADDR 1
	#define TSEC1_PHYIDX 0
	#define TSEC2_PHYIDX 0
	#define TSEC1_FLAGS TSEC_GIGABIT
	#define TSEC2_FLAGS TSEC_GIGABIT

	/* Options are: TSEC[0-1] */
	#define CONFIG_ETHPRIME "TSEC0"

	#endif /* CONFIG_TSEC_ENET */

	#ifdef CONFIG_ETHER_ON_FCC /* CPM FCC Ethernet */

	#undef CONFIG_ETHER_NONE /* define if ether on something else */
	#define CONFIG_ETHER_INDEX 2 /* which channel for ether */

	#if (CONFIG_ETHER_INDEX == 2)
	/*
	* - Rx-CLK is CLK13
	* - Tx-CLK is CLK14
	* - Select bus for bd/buffers
	* - Full duplex
	*/
	#define CONFIG_SYS_CMXFCR_MASK2 (CMXFCR_FC2 \| CMXFCR_RF2CS_MSK \| CMXFCR_TF2CS_MSK)
	#define CONFIG_SYS_CMXFCR_VALUE2 (CMXFCR_RF2CS_CLK13 \| CMXFCR_TF2CS_CLK14)
	#define CONFIG_SYS_CPMFCR_RAMTYPE 0
	#define CONFIG_SYS_FCC_PSMR (FCC_PSMR_FDE)
	#define FETH2_RST 0x01
	#elif (CONFIG_ETHER_INDEX == 3)
	/* need more definitions here for FE3 */
	#define FETH3_RST 0x80
	#endif /* CONFIG_ETHER_INDEX */

	#ifndef CONFIG_MII
	#define CONFIG_MII 1 /* MII PHY management */
	#endif

	#define CONFIG_BITBANGMII /* bit-bang MII PHY management */

	/*
	* GPIO pins used for bit-banged MII communications
	*/
	#define MDIO_PORT 2 /* Port C */
	#define MDIO_DECLARE volatile ioport_t *iop = ioport_addr ( \
	(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
	#define MDC_DECLARE MDIO_DECLARE

	#define MDIO_ACTIVE (iop->pdir \|= 0x00400000)
	#define MDIO_TRISTATE (iop->pdir &= ~0x00400000)
	#define MDIO_READ ((iop->pdat & 0x00400000) != 0)

	#define MDIO(bit) if(bit) iop->pdat \|= 0x00400000; \
	else iop->pdat &= ~0x00400000

	#define MDC(bit) if(bit) iop->pdat \|= 0x00200000; \
	else iop->pdat &= ~0x00200000

	#define MIIDELAY udelay(1)

	#endif


	/*
	* Environment
	*/
	#ifndef CONFIG_SYS_RAMBOOT
	#define CONFIG_ENV_IS_IN_FLASH 1
	#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + 0x40000)
	#define CONFIG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */
	#define CONFIG_ENV_SIZE 0x2000
	#else
	#define CONFIG_SYS_NO_FLASH 1 /* Flash is not usable now */
	#define CONFIG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */
	#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - 0x1000)
	#define CONFIG_ENV_SIZE 0x2000
	#endif

	#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
	#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */

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


	/*
	* Command line configuration.
	*/
	#define CONFIG_CMD_PING
	#define CONFIG_CMD_I2C
	#define CONFIG_CMD_ELF
	#define CONFIG_CMD_IRQ
	#define CONFIG_CMD_REGINFO

	#if defined(CONFIG_PCI)
	#define CONFIG_CMD_PCI
	#endif

	#if defined(CONFIG_ETHER_ON_FCC)
	#define CONFIG_CMD_MII
	#endif

	#undef CONFIG_WATCHDOG /* watchdog disabled */

	/*
	* Miscellaneous configurable options
	*/
	#define CONFIG_SYS_LONGHELP /* undef to save memory */
	#define CONFIG_CMDLINE_EDITING /* Command-line editing */
	#define CONFIG_AUTO_COMPLETE /* add autocompletion support */
	#define CONFIG_SYS_LOAD_ADDR 0x1000000 /* default load address */

	#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 */

	/*
	* For booting Linux, the board info and command line data
	* have to be in the first 64 MB of memory, since this is
	* the maximum mapped by the Linux kernel during initialization.
	*/
	#define CONFIG_SYS_BOOTMAPSZ (64 << 20) /* Initial Memory map for Linux*/
	#define CONFIG_SYS_BOOTM_LEN (64 << 20) /* Increase max gunzip size */

	#if defined(CONFIG_CMD_KGDB)
	#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
	#endif


	/*
	* Environment Configuration
	*/
	#if defined(CONFIG_TSEC_ENET) \|\| defined(CONFIG_ETHER_ON_FCC)
	#define CONFIG_HAS_ETH0
	#define CONFIG_HAS_ETH1
	#define CONFIG_HAS_ETH2
	#define CONFIG_HAS_ETH3
	#endif

	#define CONFIG_IPADDR 192.168.1.253

	#define CONFIG_HOSTNAME unknown
	#define CONFIG_ROOTPATH "/nfsroot"
	#define CONFIG_BOOTFILE "your.uImage"

	#define CONFIG_SERVERIP 192.168.1.1
	#define CONFIG_GATEWAYIP 192.168.1.1
	#define CONFIG_NETMASK 255.255.255.0

	#define CONFIG_LOADADDR 200000 /* default location for tftp and bootm */

	#define CONFIG_BOOTDELAY 10 /* -1 disables auto-boot */
	#undef CONFIG_BOOTARGS /* the boot command will set bootargs */

	#define CONFIG_BAUDRATE 115200

	#define CONFIG_EXTRA_ENV_SETTINGS \
	"netdev=eth0\0" \
	"consoledev=ttyCPM\0" \
	"ramdiskaddr=1000000\0" \
	"ramdiskfile=your.ramdisk.u-boot\0" \
	"fdtaddr=400000\0" \
	"fdtfile=mpc8560ads.dtb\0"

	#define CONFIG_NFSBOOTCOMMAND \
	"setenv bootargs root=/dev/nfs rw " \
	"nfsroot=$serverip:$rootpath " \
	"ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
	"console=$consoledev,$baudrate $othbootargs;" \
	"tftp $loadaddr $bootfile;" \
	"tftp $fdtaddr $fdtfile;" \
	"bootm $loadaddr - $fdtaddr"

	#define CONFIG_RAMBOOTCOMMAND \
	"setenv bootargs root=/dev/ram rw " \
	"console=$consoledev,$baudrate $othbootargs;" \
	"tftp $ramdiskaddr $ramdiskfile;" \
	"tftp $loadaddr $bootfile;" \
	"tftp $fdtaddr $fdtfile;" \
	"bootm $loadaddr $ramdiskaddr $fdtaddr"

	#define CONFIG_BOOTCOMMAND CONFIG_NFSBOOTCOMMAND

	#endif /* __CONFIG_H */