include/configs/socrates.h - filogic/uboot - Gitiles

 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2008
  * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
  *
  * Wolfgang Denk <wd@denx.de>
  * Copyright 2004 Freescale Semiconductor.
  * (C) Copyright 2002,2003 Motorola,Inc.
  * Xianghua Xiao <X.Xiao@motorola.com>
  */

 /*
  * Socrates
  */

 #ifndef __CONFIG_H
 #define __CONFIG_H

 /* High Level Configuration Options */
 #define CONFIG_SOCRATES		1

 /*
  * Only possible on E500 Version 2 or newer cores.
  */
 #define CONFIG_ENABLE_36BIT_PHYS	1

 /*
  * 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	66666666
 #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	*/

 #undef	CONFIG_SYS_DRAM_TEST			/* memory test, takes time	*/
 #define CONFIG_SYS_MEMTEST_START	0x00400000
 #define CONFIG_SYS_MEMTEST_END		0x00C00000

 #define CONFIG_SYS_CCSRBAR		0xE0000000
 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR

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

 #undef CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
 #define CONFIG_MEM_INIT_VALUE	0xDeadBeef

 #define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000
 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
 #define CONFIG_VERY_BIG_RAM

 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
 #define CONFIG_CHIP_SELECTS_PER_CTRL	2

 /* I2C addresses of SPD EEPROMs */
 #define SPD_EEPROM_ADDRESS	0x50	/* CTLR 0 DIMM 0 */

 #define CONFIG_DDR_DEFAULT_CL	30		/* CAS latency 3	*/

 /* Hardcoded values, to use instead of SPD */
 #define CONFIG_SYS_DDR_CS0_BNDS		0x0000000f
 #define CONFIG_SYS_DDR_CS0_CONFIG		0x80010102
 #define CONFIG_SYS_DDR_TIMING_0		0x00260802
 #define CONFIG_SYS_DDR_TIMING_1		0x3935D322
 #define CONFIG_SYS_DDR_TIMING_2		0x14904CC8
 #define CONFIG_SYS_DDR_MODE			0x00480432
 #define CONFIG_SYS_DDR_INTERVAL		0x030C0100
 #define CONFIG_SYS_DDR_CONFIG_2		0x04400000
 #define CONFIG_SYS_DDR_CONFIG			0xC3008000
 #define CONFIG_SYS_DDR_CLK_CONTROL		0x03800000
 #define CONFIG_SYS_SDRAM_SIZE			256 /* in Megs */

 /*
  * Flash on the LocalBus
  */
 #define CONFIG_SYS_LBC_CACHE_BASE	0xf0000000	/* Localbus cacheable	 */

 #define CONFIG_SYS_FLASH_QUIET_TEST
 #define CONFIG_SYS_FLASH0		0xFE000000
 #define CONFIG_SYS_FLASH1		0xFC000000
 #define CONFIG_SYS_FLASH_BANKS_LIST	{ CONFIG_SYS_FLASH1, CONFIG_SYS_FLASH0 }

 #define CONFIG_SYS_LBC_FLASH_BASE	CONFIG_SYS_FLASH1	/* Localbus flash start	*/
 #define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_LBC_FLASH_BASE /* start of FLASH	*/

 #define CONFIG_SYS_BR0_PRELIM		0xfe001001	/* port size 16bit	*/
 #define CONFIG_SYS_OR0_PRELIM		0xfe000030	/* 32MB Flash		*/
 #define CONFIG_SYS_BR1_PRELIM		0xfc001001	/* port size 16bit	*/
 #define CONFIG_SYS_OR1_PRELIM		0xfe000030	/* 32MB Flash		*/

 #define CONFIG_SYS_MAX_FLASH_BANKS	2		/* number of banks	*/
 #define CONFIG_SYS_MAX_FLASH_SECT	256		/* 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	*/

 #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 presc.*/

 #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 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		(384 * 1024)	/* Reserve 384KiB for Mon */
 #define CONFIG_SYS_MALLOC_LEN		(4 << 20)	/* Reserve 4 MB for malloc */

 /* FPGA and NAND */
 #define CONFIG_SYS_FPGA_BASE		0xc0000000
 #define CONFIG_SYS_FPGA_SIZE		0x00100000	/* 1 MB		*/
 #define CONFIG_SYS_HMI_BASE		0xc0010000
 #define CONFIG_SYS_BR3_PRELIM		0xc0001881	/* UPMA, 32-bit */
 #define CONFIG_SYS_OR3_PRELIM		0xfff00000	/* 1 MB 	*/

 #define CONFIG_SYS_NAND_BASE		(CONFIG_SYS_FPGA_BASE + 0x70)
 #define CONFIG_SYS_MAX_NAND_DEVICE	1

 /* LIME GDC */
 #define CONFIG_SYS_LIME_BASE		0xc8000000
 #define CONFIG_SYS_LIME_SIZE		0x04000000	/* 64 MB	*/
 #define CONFIG_SYS_BR2_PRELIM		0xc80018a1	/* UPMB, 32-bit	*/
 #define CONFIG_SYS_OR2_PRELIM		0xfc000000	/* 64 MB	*/

 #define CONFIG_SYS_SPD_BUS_NUM 0

 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4

 /*
  * General PCI
  * Memory space is mapped 1-1.
  */

 /* PCI is clocked by the external source at 33 MHz */
 #define CONFIG_PCI_CLK_FREQ	33000000
 #define CONFIG_SYS_PCI1_MEM_BASE	0x80000000
 #define CONFIG_SYS_PCI1_MEM_PHYS	CONFIG_SYS_PCI1_MEM_BASE
 #define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M			*/
 #define CONFIG_SYS_PCI1_IO_BASE	0xE2000000
 #define CONFIG_SYS_PCI1_IO_PHYS	CONFIG_SYS_PCI1_IO_BASE
 #define CONFIG_SYS_PCI1_IO_SIZE	0x01000000	/* 16M			*/

 #define CONFIG_TSEC1	1
 #define CONFIG_TSEC1_NAME	"TSEC0"
 #define CONFIG_TSEC3	1
 #define CONFIG_TSEC3_NAME	"TSEC1"
 #undef CONFIG_MPC85XX_FEC

 #define TSEC1_PHY_ADDR		0
 #define TSEC3_PHY_ADDR		1

 #define TSEC1_PHYIDX		0
 #define TSEC3_PHYIDX		0
 #define TSEC1_FLAGS		TSEC_GIGABIT
 #define TSEC3_FLAGS		TSEC_GIGABIT

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

 #define CONFIG_HAS_ETH0
 #define CONFIG_HAS_ETH1

 /*
  * Environment
  */
 #define CONFIG_ENV_SECT_SIZE	0x20000 /* 128K(one sector) for env	*/
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - \
 				CONFIG_ENV_SECT_SIZE - CONFIG_ENV_SECT_SIZE)
 #define CONFIG_ENV_SIZE		0x4000
 #define CONFIG_ENV_ADDR_REDUND	(CONFIG_ENV_ADDR - CONFIG_ENV_SECT_SIZE)

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

 #define	CONFIG_TIMESTAMP		/* Print image info with ts	*/

 /*
  * BOOTP options
  */
 #define CONFIG_BOOTP_BOOTFILESIZE

 #undef CONFIG_WATCHDOG			/* watchdog disabled		*/

 /*
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address		*/

 /*
  * 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	*/

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

 #define CONFIG_LOADADDR	 200000		/* default addr for tftp & bootm*/

 #define	CONFIG_EXTRA_ENV_SETTINGS					\
 	"netdev=eth0\0"							\
 	"consdev=ttyS0\0"						\
 	"uboot_file=/home/tftp/syscon3/u-boot.bin\0"			\
 	"bootfile=/home/tftp/syscon3/uImage\0"				\
 	"fdt_file=/home/tftp/syscon3/socrates.dtb\0"			\
 	"initrd_file=/home/tftp/syscon3/uinitrd.gz\0"			\
 	"uboot_addr=FFF60000\0"						\
 	"kernel_addr=FE000000\0"					\
 	"fdt_addr=FE1E0000\0"						\
 	"ramdisk_addr=FE200000\0"					\
 	"fdt_addr_r=B00000\0"						\
 	"kernel_addr_r=200000\0"					\
 	"ramdisk_addr_r=400000\0"					\
 	"rootpath=/opt/eldk/ppc_85xxDP\0"				\
 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
 		"nfsroot=$serverip:$rootpath\0"				\
 	"addcons=setenv bootargs $bootargs "				\
 		"console=$consdev,$baudrate\0"				\
 	"addip=setenv bootargs $bootargs "				\
 		"ip=$ipaddr:$serverip:$gatewayip:$netmask"		\
 		":$hostname:$netdev:off panic=1\0"			\
 	"boot_nor=run ramargs addcons;"					\
 		"bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"	\
 	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; "			\
 		"tftp ${fdt_addr_r} ${fdt_file}; "			\
 		"run nfsargs addip addcons;"				\
 		"bootm ${kernel_addr_r} - ${fdt_addr_r}\0"		\
 	"update_uboot=tftp 100000 ${uboot_file};"			\
 		"protect off fff60000 ffffffff;"			\
 		"era fff60000 ffffffff;"				\
 		"cp.b 100000 fff60000 ${filesize};"			\
 		"setenv filesize;saveenv\0"				\
 	"update_kernel=tftp 100000 ${bootfile};"			\
 		"era fe000000 fe1dffff;"				\
 		"cp.b 100000 fe000000 ${filesize};"			\
 		"setenv filesize;saveenv\0"				\
 	"update_fdt=tftp 100000 ${fdt_file};" 				\
 		"era fe1e0000 fe1fffff;"				\
 		"cp.b 100000 fe1e0000 ${filesize};"			\
 		"setenv filesize;saveenv\0"				\
 	"update_initrd=tftp 100000 ${initrd_file};" 			\
 		"era fe200000 fe9fffff;"				\
 		"cp.b 100000 fe200000 ${filesize};"			\
 		"setenv filesize;saveenv\0"				\
 	"clean_data=era fea00000 fff5ffff\0"				\
 	"usbargs=setenv bootargs root=/dev/sda1 rw\0" 			\
 	"load_usb=usb start;" 						\
 		"ext2load usb 0:1 ${kernel_addr_r} /boot/uImage\0"	\
 	"boot_usb=run load_usb usbargs addcons;"			\
 		"bootm ${kernel_addr_r} - ${fdt_addr};"			\
 		"bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"	\
 	""
 #define CONFIG_BOOTCOMMAND	"run boot_nor"

 /* pass open firmware flat tree */

 /* USB support */
 #define CONFIG_USB_OHCI_NEW		1
 #define CONFIG_PCI_OHCI			1
 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	15
 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"ohci_pci"
 #define CONFIG_SYS_OHCI_SWAP_REG_ACCESS	1

 #endif	/* __CONFIG_H */
	/* SPDX-License-Identifier: GPL-2.0+ */
	/*
	* (C) Copyright 2008
	* Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
	*
	* Wolfgang Denk <wd@denx.de>
	* Copyright 2004 Freescale Semiconductor.
	* (C) Copyright 2002,2003 Motorola,Inc.
	* Xianghua Xiao <X.Xiao@motorola.com>
	*/

	/*
	* Socrates
	*/

	#ifndef __CONFIG_H
	#define __CONFIG_H

	/* High Level Configuration Options */
	#define CONFIG_SOCRATES 1

	/*
	* Only possible on E500 Version 2 or newer cores.
	*/
	#define CONFIG_ENABLE_36BIT_PHYS 1

	/*
	* 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 66666666
	#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 */

	#undef CONFIG_SYS_DRAM_TEST /* memory test, takes time */
	#define CONFIG_SYS_MEMTEST_START 0x00400000
	#define CONFIG_SYS_MEMTEST_END 0x00C00000

	#define CONFIG_SYS_CCSRBAR 0xE0000000
	#define CONFIG_SYS_CCSRBAR_PHYS_LOW CONFIG_SYS_CCSRBAR

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

	#undef CONFIG_ECC_INIT_VIA_DDRCONTROLLER /* DDR controller or DMA? */
	#define CONFIG_MEM_INIT_VALUE 0xDeadBeef

	#define CONFIG_SYS_DDR_SDRAM_BASE 0x00000000
	#define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_SDRAM_BASE
	#define CONFIG_VERY_BIG_RAM

	#define CONFIG_DIMM_SLOTS_PER_CTLR 1
	#define CONFIG_CHIP_SELECTS_PER_CTRL 2

	/* I2C addresses of SPD EEPROMs */
	#define SPD_EEPROM_ADDRESS 0x50 /* CTLR 0 DIMM 0 */

	#define CONFIG_DDR_DEFAULT_CL 30 /* CAS latency 3 */

	/* Hardcoded values, to use instead of SPD */
	#define CONFIG_SYS_DDR_CS0_BNDS 0x0000000f
	#define CONFIG_SYS_DDR_CS0_CONFIG 0x80010102
	#define CONFIG_SYS_DDR_TIMING_0 0x00260802
	#define CONFIG_SYS_DDR_TIMING_1 0x3935D322
	#define CONFIG_SYS_DDR_TIMING_2 0x14904CC8
	#define CONFIG_SYS_DDR_MODE 0x00480432
	#define CONFIG_SYS_DDR_INTERVAL 0x030C0100
	#define CONFIG_SYS_DDR_CONFIG_2 0x04400000
	#define CONFIG_SYS_DDR_CONFIG 0xC3008000
	#define CONFIG_SYS_DDR_CLK_CONTROL 0x03800000
	#define CONFIG_SYS_SDRAM_SIZE 256 /* in Megs */

	/*
	* Flash on the LocalBus
	*/
	#define CONFIG_SYS_LBC_CACHE_BASE 0xf0000000 /* Localbus cacheable */

	#define CONFIG_SYS_FLASH_QUIET_TEST
	#define CONFIG_SYS_FLASH0 0xFE000000
	#define CONFIG_SYS_FLASH1 0xFC000000
	#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH1, CONFIG_SYS_FLASH0 }

	#define CONFIG_SYS_LBC_FLASH_BASE CONFIG_SYS_FLASH1 /* Localbus flash start */
	#define CONFIG_SYS_FLASH_BASE CONFIG_SYS_LBC_FLASH_BASE /* start of FLASH */

	#define CONFIG_SYS_BR0_PRELIM 0xfe001001 /* port size 16bit */
	#define CONFIG_SYS_OR0_PRELIM 0xfe000030 /* 32MB Flash */
	#define CONFIG_SYS_BR1_PRELIM 0xfc001001 /* port size 16bit */
	#define CONFIG_SYS_OR1_PRELIM 0xfe000030 /* 32MB Flash */

	#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* number of banks */
	#define CONFIG_SYS_MAX_FLASH_SECT 256 /* 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 */

	#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 presc.*/

	#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 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 (384 * 1024) /* Reserve 384KiB for Mon */
	#define CONFIG_SYS_MALLOC_LEN (4 << 20) /* Reserve 4 MB for malloc */

	/* FPGA and NAND */
	#define CONFIG_SYS_FPGA_BASE 0xc0000000
	#define CONFIG_SYS_FPGA_SIZE 0x00100000 /* 1 MB */
	#define CONFIG_SYS_HMI_BASE 0xc0010000
	#define CONFIG_SYS_BR3_PRELIM 0xc0001881 /* UPMA, 32-bit */
	#define CONFIG_SYS_OR3_PRELIM 0xfff00000 /* 1 MB */

	#define CONFIG_SYS_NAND_BASE (CONFIG_SYS_FPGA_BASE + 0x70)
	#define CONFIG_SYS_MAX_NAND_DEVICE 1

	/* LIME GDC */
	#define CONFIG_SYS_LIME_BASE 0xc8000000
	#define CONFIG_SYS_LIME_SIZE 0x04000000 /* 64 MB */
	#define CONFIG_SYS_BR2_PRELIM 0xc80018a1 /* UPMB, 32-bit */
	#define CONFIG_SYS_OR2_PRELIM 0xfc000000 /* 64 MB */

	#define CONFIG_SYS_SPD_BUS_NUM 0

	#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4

	/*
	* General PCI
	* Memory space is mapped 1-1.
	*/

	/* PCI is clocked by the external source at 33 MHz */
	#define CONFIG_PCI_CLK_FREQ 33000000
	#define CONFIG_SYS_PCI1_MEM_BASE 0x80000000
	#define CONFIG_SYS_PCI1_MEM_PHYS CONFIG_SYS_PCI1_MEM_BASE
	#define CONFIG_SYS_PCI1_MEM_SIZE 0x20000000 /* 512M */
	#define CONFIG_SYS_PCI1_IO_BASE 0xE2000000
	#define CONFIG_SYS_PCI1_IO_PHYS CONFIG_SYS_PCI1_IO_BASE
	#define CONFIG_SYS_PCI1_IO_SIZE 0x01000000 /* 16M */

	#define CONFIG_TSEC1 1
	#define CONFIG_TSEC1_NAME "TSEC0"
	#define CONFIG_TSEC3 1
	#define CONFIG_TSEC3_NAME "TSEC1"
	#undef CONFIG_MPC85XX_FEC

	#define TSEC1_PHY_ADDR 0
	#define TSEC3_PHY_ADDR 1

	#define TSEC1_PHYIDX 0
	#define TSEC3_PHYIDX 0
	#define TSEC1_FLAGS TSEC_GIGABIT
	#define TSEC3_FLAGS TSEC_GIGABIT

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

	#define CONFIG_HAS_ETH0
	#define CONFIG_HAS_ETH1

	/*
	* Environment
	*/
	#define CONFIG_ENV_SECT_SIZE 0x20000 /* 128K(one sector) for env */
	#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - \
	CONFIG_ENV_SECT_SIZE - CONFIG_ENV_SECT_SIZE)
	#define CONFIG_ENV_SIZE 0x4000
	#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR - CONFIG_ENV_SECT_SIZE)

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

	#define CONFIG_TIMESTAMP /* Print image info with ts */

	/*
	* BOOTP options
	*/
	#define CONFIG_BOOTP_BOOTFILESIZE

	#undef CONFIG_WATCHDOG /* watchdog disabled */

	/*
	* Miscellaneous configurable options
	*/
	#define CONFIG_SYS_LOAD_ADDR 0x2000000 /* default load address */

	/*
	* 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 */

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

	#define CONFIG_LOADADDR 200000 /* default addr for tftp & bootm*/

	#define CONFIG_EXTRA_ENV_SETTINGS \
	"netdev=eth0\0" \
	"consdev=ttyS0\0" \
	"uboot_file=/home/tftp/syscon3/u-boot.bin\0" \
	"bootfile=/home/tftp/syscon3/uImage\0" \
	"fdt_file=/home/tftp/syscon3/socrates.dtb\0" \
	"initrd_file=/home/tftp/syscon3/uinitrd.gz\0" \
	"uboot_addr=FFF60000\0" \
	"kernel_addr=FE000000\0" \
	"fdt_addr=FE1E0000\0" \
	"ramdisk_addr=FE200000\0" \
	"fdt_addr_r=B00000\0" \
	"kernel_addr_r=200000\0" \
	"ramdisk_addr_r=400000\0" \
	"rootpath=/opt/eldk/ppc_85xxDP\0" \
	"ramargs=setenv bootargs root=/dev/ram rw\0" \
	"nfsargs=setenv bootargs root=/dev/nfs rw " \
	"nfsroot=$serverip:$rootpath\0" \
	"addcons=setenv bootargs $bootargs " \
	"console=$consdev,$baudrate\0" \
	"addip=setenv bootargs $bootargs " \
	"ip=$ipaddr:$serverip:$gatewayip:$netmask" \
	":$hostname:$netdev:off panic=1\0" \
	"boot_nor=run ramargs addcons;" \
	"bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
	"tftp ${fdt_addr_r} ${fdt_file}; " \
	"run nfsargs addip addcons;" \
	"bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
	"update_uboot=tftp 100000 ${uboot_file};" \
	"protect off fff60000 ffffffff;" \
	"era fff60000 ffffffff;" \
	"cp.b 100000 fff60000 ${filesize};" \
	"setenv filesize;saveenv\0" \
	"update_kernel=tftp 100000 ${bootfile};" \
	"era fe000000 fe1dffff;" \
	"cp.b 100000 fe000000 ${filesize};" \
	"setenv filesize;saveenv\0" \
	"update_fdt=tftp 100000 ${fdt_file};" \
	"era fe1e0000 fe1fffff;" \
	"cp.b 100000 fe1e0000 ${filesize};" \
	"setenv filesize;saveenv\0" \
	"update_initrd=tftp 100000 ${initrd_file};" \
	"era fe200000 fe9fffff;" \
	"cp.b 100000 fe200000 ${filesize};" \
	"setenv filesize;saveenv\0" \
	"clean_data=era fea00000 fff5ffff\0" \
	"usbargs=setenv bootargs root=/dev/sda1 rw\0" \
	"load_usb=usb start;" \
	"ext2load usb 0:1 ${kernel_addr_r} /boot/uImage\0" \
	"boot_usb=run load_usb usbargs addcons;" \
	"bootm ${kernel_addr_r} - ${fdt_addr};" \
	"bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
	""
	#define CONFIG_BOOTCOMMAND "run boot_nor"

	/* pass open firmware flat tree */

	/* USB support */
	#define CONFIG_USB_OHCI_NEW 1
	#define CONFIG_PCI_OHCI 1
	#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15
	#define CONFIG_SYS_USB_OHCI_SLOT_NAME "ohci_pci"
	#define CONFIG_SYS_OHCI_SWAP_REG_ACCESS 1

	#endif /* __CONFIG_H */