include/configs/mecp5123.h - github/trini/u-boot - Gitiles

 /*
  * (C) Copyright 2009 Wolfgang Denk <wd@denx.de>
  * (C) Copyright 2009, DAVE Srl <www.dave.eu>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  * modifications for the MECP5123 by reinhard.arlt@esd-electronics.com
  *
  */

 /*
  * MECP5123 board configuration file
  */

 #ifndef __CONFIG_H
 #define __CONFIG_H

 #define CONFIG_MECP5123 1
 /*
  * Memory map for the MECP5123 board:
  *
  * 0x0000_0000 - 0x1FFF_FFFF	DDR RAM (512 MB)
  * 0x3000_0000 - 0x3001_FFFF	SRAM (128 KB)
  * 0x8000_0000 - 0x803F_FFFF	IMMR (4 MB)
  * 0x8200_0000 - 0x8200_FFFF	VPC-3 (64 KB)
  * 0xFFC0_0000 - 0xFFFF_FFFF	NOR Boot FLASH (64 MB)
  */

 /*
  * High Level Configuration Options
  */
 #define CONFIG_E300		1	/* E300 Family */
 #define CONFIG_MPC512X		1	/* MPC512X family */

 #define	CONFIG_SYS_TEXT_BASE	0xFFF00000

 #define CONFIG_SYS_MPC512X_CLKIN	33333333	/* in Hz */

 #define CONFIG_BOARD_EARLY_INIT_F		/* call board_early_init_f() */
 #define CONFIG_MISC_INIT_R

 #define CONFIG_SYS_IMMR		        0x80000000
 #define CONFIG_SYS_DIU_ADDR		(CONFIG_SYS_IMMR+0x2100)

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

 /*
  * DDR Setup - manually set all parameters as there's no SPD etc.
  */
 #define CONFIG_SYS_DDR_SIZE		512		/* MB */

 #define CONFIG_SYS_DDR_BASE		0x00000000	/* DDR is sys memory*/
 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_BASE
 #define CONFIG_SYS_MAX_RAM_SIZE		0x20000000

 #define CONFIG_SYS_IOCTRL_MUX_DDR	0x00000036

 /* DDR Controller Configuration
  *
  * SYS_CFG:
  *	[31:31]	MDDRC Soft Reset:	Diabled
  *	[30:30]	DRAM CKE pin:		Enabled
  *	[29:29]	DRAM CLK:		Enabled
  *	[28:28]	Command Mode:		Enabled (For initialization only)
  *	[27:25]	DRAM Row Select:	dram_row[15:0] = magenta_address[25:10]
  *	[24:21]	DRAM Bank Select:	dram_bank[1:0] = magenta_address[11:10]
  *	[20:19]	Read Test:		DON'T USE
  *	[18:18]	Self Refresh:		Enabled
  *	[17:17]	16bit Mode:		Disabled
  *	[16:13] Ready Delay:		2
  *	[12:12]	Half DQS Delay:		Disabled
  *	[11:11]	Quarter DQS Delay:	Disabled
  *	[10:08]	Write Delay:		2
  *	[07:07]	Early ODT:		Disabled
  *	[06:06]	On DIE Termination:	Disabled
  *	[05:05]	FIFO Overflow Clear:	DON'T USE here
  *	[04:04]	FIFO Underflow Clear:	DON'T USE here
  *	[03:03]	FIFO Overflow Pending:	DON'T USE here
  *	[02:02]	FIFO Underlfow Pending:	DON'T USE here
  *	[01:01]	FIFO Overlfow Enabled:	Enabled
  *	[00:00]	FIFO Underflow Enabled:	Enabled
  * TIME_CFG0
  *	[31:16]	DRAM Refresh Time:	0 CSB clocks
  *	[15:8]	DRAM Command Time:	0 CSB clocks
  *	[07:00]	DRAM Precharge Time:	0 CSB clocks
  * TIME_CFG1
  *	[31:26]	DRAM tRFC:
  *	[25:21]	DRAM tWR1:
  *	[20:17]	DRAM tWRT1:
  *	[16:11]	DRAM tDRR:
  *	[10:05]	DRAM tRC:
  *	[04:00]	DRAM tRAS:
  * TIME_CFG2
  *	[31:28]	DRAM tRCD:
  *	[27:23]	DRAM tFAW:
  *	[22:19]	DRAM tRTW1:
  *	[18:15]	DRAM tCCD:
  *	[14:10] DRAM tRTP:
  *	[09:05]	DRAM tRP:
  *	[04:00] DRAM tRPA
  */
 #define CONFIG_SYS_MDDRC_SYS_CFG	 0xEA804A00
 #define CONFIG_SYS_MDDRC_TIME_CFG0	 0x06183D2E
 #define CONFIG_SYS_MDDRC_TIME_CFG1	 0x68EC1168
 #define CONFIG_SYS_MDDRC_TIME_CFG2	 0x34310864

 #define CONFIG_SYS_DDRCMD_NOP		0x01380000
 #define CONFIG_SYS_DDRCMD_PCHG_ALL	0x01100400
 #define CONFIG_SYS_DDRCMD_EM2		0x01020000
 #define CONFIG_SYS_DDRCMD_EM3		0x01030000
 #define CONFIG_SYS_DDRCMD_EN_DLL	0x01010000
 #define CONFIG_SYS_DDRCMD_RFSH		0x01080000
 #define CONFIG_SYS_MICRON_INIT_DEV_OP	0x01000432
 #define CONFIG_SYS_DDRCMD_OCD_DEFAULT	0x01010780

 /* DDR Priority Manager Configuration */
 #define CONFIG_SYS_MDDRCGRP_PM_CFG1	0x00077777
 #define CONFIG_SYS_MDDRCGRP_PM_CFG2	0x00000000
 #define CONFIG_SYS_MDDRCGRP_HIPRIO_CFG	0x00000001
 #define CONFIG_SYS_MDDRCGRP_LUT0_MU	0xFFEEDDCC
 #define CONFIG_SYS_MDDRCGRP_LUT0_ML	0xBBAAAAAA
 #define CONFIG_SYS_MDDRCGRP_LUT1_MU	0x66666666
 #define CONFIG_SYS_MDDRCGRP_LUT1_ML	0x55555555
 #define CONFIG_SYS_MDDRCGRP_LUT2_MU	0x44444444
 #define CONFIG_SYS_MDDRCGRP_LUT2_ML	0x44444444
 #define CONFIG_SYS_MDDRCGRP_LUT3_MU	0x55555555
 #define CONFIG_SYS_MDDRCGRP_LUT3_ML	0x55555558
 #define CONFIG_SYS_MDDRCGRP_LUT4_MU	0x11111111
 #define CONFIG_SYS_MDDRCGRP_LUT4_ML	0x11111122
 #define CONFIG_SYS_MDDRCGRP_LUT0_AU	0xaaaaaaaa
 #define CONFIG_SYS_MDDRCGRP_LUT0_AL	0xaaaaaaaa
 #define CONFIG_SYS_MDDRCGRP_LUT1_AU	0x66666666
 #define CONFIG_SYS_MDDRCGRP_LUT1_AL	0x66666666
 #define CONFIG_SYS_MDDRCGRP_LUT2_AU	0x11111111
 #define CONFIG_SYS_MDDRCGRP_LUT2_AL	0x11111111
 #define CONFIG_SYS_MDDRCGRP_LUT3_AU	0x11111111
 #define CONFIG_SYS_MDDRCGRP_LUT3_AL	0x11111111
 #define CONFIG_SYS_MDDRCGRP_LUT4_AU	0x11111111
 #define CONFIG_SYS_MDDRCGRP_LUT4_AL	0x11111111

 /*
  * NOR FLASH on the Local Bus
  */
 #define CONFIG_SYS_FLASH_CFI		/* use the Common Flash Interface */
 #define CONFIG_FLASH_CFI_DRIVER		/* use the CFI driver */

 #define CONFIG_SYS_FLASH_BASE		0xFFC00000	/* start of FLASH */
 #define CONFIG_SYS_FLASH_SIZE		0x00400000	/* max flash size */

 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
 #define CONFIG_SYS_MAX_FLASH_BANKS	1	/* number of banks */
 #define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE}
 #define CONFIG_SYS_MAX_FLASH_SECT	256	/* max sectors per device */

 #undef CONFIG_SYS_FLASH_CHECKSUM

 /*
  * NAND FLASH
  * drivers/mtd/nand/mpc5121_nfc.c (rev 2 silicon only)
  */
 #define CONFIG_CMD_NAND
 #define CONFIG_NAND_MPC5121_NFC
 #define CONFIG_SYS_NAND_BASE            0x40000000
 #define CONFIG_SYS_MAX_NAND_DEVICE      1

 /*
  * Configuration parameters for MPC5121 NAND driver
  */
 #define CONFIG_FSL_NFC_WIDTH		1
 #define CONFIG_FSL_NFC_WRITE_SIZE	2048
 #define CONFIG_FSL_NFC_SPARE_SIZE	64
 #define CONFIG_FSL_NFC_CHIPS		1

 #define CONFIG_SYS_SRAM_BASE		0x30000000
 #define CONFIG_SYS_SRAM_SIZE		0x00020000	/* 128 KB */

 /* Initialize Local Window for NOR FLASH access */
 #define CONFIG_SYS_CS0_START		CONFIG_SYS_FLASH_BASE
 #define CONFIG_SYS_CS0_SIZE		CONFIG_SYS_FLASH_SIZE

 /* ALE active low, data size 4bytes */
 #define CONFIG_SYS_CS0_CFG		0x05051150

 /* Use not alternative CS timing */
 #define CONFIG_SYS_CS_ALETIMING		0x00000000

 /* ALE active low, data size 4bytes */
 #define CONFIG_SYS_CS1_CFG		0x1f1f3090
 #define CONFIG_SYS_VPC3_BASE		0x82000000	/* start of VPC3 space */
 #define CONFIG_SYS_VPC3_SIZE		0x00010000	/* max VPC3 size */
 /* Initialize Local Window for VPC3 access */
 #define CONFIG_SYS_CS1_START		CONFIG_SYS_VPC3_BASE
 #define CONFIG_SYS_CS1_SIZE		CONFIG_SYS_VPC3_SIZE

 /* Use SRAM for initial stack */
 #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_SRAM_BASE /* Init RAM addr */
 #define CONFIG_SYS_INIT_RAM_SIZE		CONFIG_SYS_SRAM_SIZE

 #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_BASE		CONFIG_SYS_TEXT_BASE	/* Start of monitor */
 #define CONFIG_SYS_MONITOR_LEN		(256 * 1024)	/* Monitor length */
 #define CONFIG_SYS_MALLOC_LEN		(6 * 1024 * 1024) /* Malloc size */

 /*
  * Serial Port
  */
 #define CONFIG_CONS_INDEX     1

 /*
  * Serial console configuration
  */
 #define CONFIG_PSC_CONSOLE	3	/* console is on PSC3 */
 #define CONFIG_SYS_PSC3
 #if CONFIG_PSC_CONSOLE != 3
 #error CONFIG_PSC_CONSOLE must be 3
 #endif
 #define CONFIG_BAUDRATE		9600	/* ... at 9600 bps */
 #define CONFIG_SYS_BAUDRATE_TABLE  \
 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 115200}

 #define CONSOLE_FIFO_TX_SIZE	FIFOC_PSC3_TX_SIZE
 #define CONSOLE_FIFO_TX_ADDR	FIFOC_PSC3_TX_ADDR
 #define CONSOLE_FIFO_RX_SIZE	FIFOC_PSC3_RX_SIZE
 #define CONSOLE_FIFO_RX_ADDR	FIFOC_PSC3_RX_ADDR

 /*
  * Clocks in use
  */
 #define SCCR1_CLOCKS_EN	(CLOCK_SCCR1_CFG_EN |				\
 			 CLOCK_SCCR1_LPC_EN |				\
 			 CLOCK_SCCR1_PSC_EN(CONFIG_PSC_CONSOLE) |	\
 			 CLOCK_SCCR1_PSCFIFO_EN |			\
 			 CLOCK_SCCR1_DDR_EN |				\
 			 CLOCK_SCCR1_FEC_EN |				\
 			 CLOCK_SCCR1_NFC_EN |				\
 			 CLOCK_SCCR1_PCI_EN |				\
 			 CLOCK_SCCR1_TPR_EN)

 #define SCCR2_CLOCKS_EN	(CLOCK_SCCR2_MEM_EN |	\
 			 CLOCK_SCCR2_I2C_EN)


 #define CONFIG_CMDLINE_EDITING	1	/* add command line history	*/
 /* Use the HUSH parser */
 #define CONFIG_SYS_HUSH_PARSER
 #ifdef  CONFIG_SYS_HUSH_PARSER
 #endif

 /* I2C */
 #define CONFIG_HARD_I2C			/* I2C with hardware support */
 #undef CONFIG_SOFT_I2C			/* so disable bit-banged I2C */
 #define CONFIG_I2C_MULTI_BUS
 #define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed */
 #define CONFIG_SYS_I2C_SLAVE		0x7F	/* slave address */

 /*
  * IIM - IC Identification Module
  */
 #undef CONFIG_FSL_IIM

 /*
  * EEPROM configuration
  */
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2	/* 16-bit EEPROM address */
 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Atmel: AT24C32A-10TQ-2.7 */
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10	/* 10ms of delay */
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5	/* 32-Byte Page Write Mode */
 #define CONFIG_SYS_EEPROM_WREN			/* Use EEPROM write protect */

 /*
  * Ethernet configuration
  */
 #define CONFIG_MPC512x_FEC	1
 #define CONFIG_PHY_ADDR		0x1
 #define CONFIG_MII		1	/* MII PHY management		*/
 #define CONFIG_FEC_AN_TIMEOUT	1
 #define CONFIG_HAS_ETH0

 /*
  * Configure on-board RTC
  */
 #define CONFIG_SYS_RTC_BUS_NUM  0x01
 #define CONFIG_SYS_I2C_RTC_ADDR 0x32
 #define CONFIG_RTC_RX8025

 /*
  * Environment
  */
 #define CONFIG_ENV_IS_IN_EEPROM		/* Store env in I2C EEPROM	*/
 #define CONFIG_ENV_SIZE		0x1000
 #define CONFIG_ENV_OFFSET       0x0000	/* environment starts here	*/

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

 #include <config_cmd_default.h>

 #define CONFIG_CMD_ASKENV
 #define CONFIG_CMD_DHCP
 #define CONFIG_CMD_I2C
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_NFS
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_REGINFO
 #define CONFIG_CMD_EEPROM
 #define CONFIG_CMD_DATE
 #undef CONFIG_CMD_FUSE
 #undef CONFIG_CMD_IDE
 #undef CONFIG_CMD_EXT2
 #define CONFIG_CMD_FAT
 #define CONFIG_CMD_JFFS2
 #define CONFIG_CMD_ELF
 #define CONFIG_DOS_PARTITION

 /*
  * Watchdog timeout = CONFIG_SYS_WATCHDOG_VALUE * 65536 / IPS clock.
  * For example, when IPS is set to 66MHz and CONFIG_SYS_WATCHDOG_VALUE is set
  * to 0xFFFF, watchdog timeouts after about 64s. For details refer
  * to chapter 36 of the MPC5121e Reference Manual.
  */
 /* #define CONFIG_WATCHDOG */		/* enable watchdog */
 #define CONFIG_SYS_WATCHDOG_VALUE 0xFFFF

  /*
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 #define CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt */

 #ifdef 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

 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + \
 				 sizeof(CONFIG_SYS_PROMPT) + 16)
 /* max number of command args */
 #define CONFIG_SYS_MAXARGS	32
 /* Boot Argument Buffer Size */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE

 #define CONFIG_SYS_HZ		1000

 /*
  * For booting Linux, the board info and command line data
  * have to be in the first 256 MB of memory, since this is
  * the maximum mapped by the Linux kernel during initialization.
  */
 #define CONFIG_SYS_BOOTMAPSZ	(256 << 20)	/* Linux initial memory map */

 /* Cache Configuration */
 #define CONFIG_SYS_DCACHE_SIZE		32768
 #define CONFIG_SYS_CACHELINE_SIZE	32
 #ifdef CONFIG_CMD_KGDB
 #define CONFIG_SYS_CACHELINE_SHIFT	5
 #endif

 #define CONFIG_SYS_HID0_INIT	0x000000000
 #define CONFIG_SYS_HID0_FINAL	HID0_ENABLE_MACHINE_CHECK
 #define CONFIG_SYS_HID2		HID2_HBE

 #define CONFIG_HIGH_BATS	1	/* High BATs supported */

 #ifdef CONFIG_CMD_KGDB
 #define CONFIG_KGDB_BAUDRATE	230400	/* speed of kgdb serial port */
 #define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
 #endif

 /*
  * Environment Configuration
  */
 #define CONFIG_TIMESTAMP

 #define CONFIG_HOSTNAME		mecp512x
 #define CONFIG_BOOTFILE		"/tftpboot/mecp512x/uImage"
 #define CONFIG_ROOTPATH		"/tftpboot/mecp512x/target_root"

 #define CONFIG_LOADADDR		400000	/* def. location for tftp and bootm */

 #define CONFIG_BOOTDELAY	5	/* -1 disables auto-boot */
 #undef  CONFIG_BOOTARGS			/* the boot command will set bootargs*/

 #define CONFIG_PREBOOT	"echo;"	\
 	"echo Welcome to MECP5123" \
 	"echo"

 #define	CONFIG_EXTRA_ENV_SETTINGS					\
 	"u-boot_addr_r=200000\0"					\
 	"kernel_addr_r=600000\0"					\
 	"fdt_addr_r=880000\0"						\
 	"ramdisk_addr_r=900000\0"					\
 	"u-boot_addr=FFF00000\0"					\
 	"kernel_addr=FFC40000\0"					\
 	"fdt_addr=FFEC0000\0"						\
 	"ramdisk_addr=FC040000\0"					\
 	"ramdiskfile=/tftpboot/mecp512x/uRamdisk\0"			\
 	"u-boot=/tftpboot/mecp512x/u-boot.bin\0"			\
 	"bootfile=/tftpboot/mecp512x/uImage\0"				\
 	"fdtfile=/tftpboot/mecp512x/mecp512x.dtb\0"			\
 	"rootpath=/tftpboot/mecp512x/target_root\n"	      		\
 	"netdev=eth0\0"							\
 	"consdev=ttyPSC0\0"						\
 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
 		"nfsroot=${serverip}:${rootpath}\0"			\
 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
 	"addip=setenv bootargs ${bootargs} "				\
 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
 		":${hostname}:${netdev}:off panic=1\0"			\
 	"addtty=setenv bootargs ${bootargs} "				\
 		"console=${consdev},${baudrate}\0"			\
 	"flash_nfs=run nfsargs addip addtty;"				\
 		"bootm ${kernel_addr} - ${fdt_addr}\0"			\
 	"flash_self=run ramargs addip addtty;"				\
 		"bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"	\
 	"net_nfs=tftp ${kernel_addr_r} ${bootfile};"			\
 		"tftp ${fdt_addr_r} ${fdtfile};"			\
 		"run nfsargs addip addtty;"				\
 		"bootm ${kernel_addr_r} - ${fdt_addr_r}\0"		\
 	"net_self=tftp ${kernel_addr_r} ${bootfile};"			\
 		"tftp ${ramdisk_addr_r} ${ramdiskfile};"		\
 		"tftp ${fdt_addr_r} ${fdtfile};"			\
 		"run ramargs addip addtty;"				\
 		"bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0"\
 	"load=tftp ${u-boot_addr_r} ${u-boot}\0"			\
 	"update=protect off ${u-boot_addr} +${filesize};"		\
 		"era ${u-boot_addr} +${filesize};"			\
 		"cp.b ${u-boot_addr_r} ${u-boot_addr} ${filesize}\0"	\
 	"upd=run load update\0"						\
 	""

 #define CONFIG_BOOTCOMMAND	"run flash_self"

 #define CONFIG_OF_LIBFDT
 #define CONFIG_OF_BOARD_SETUP

 #define OF_CPU			"PowerPC,5121@0"
 #define OF_SOC_COMPAT		"fsl,mpc5121-immr"
 #define OF_TBCLK		(bd->bi_busfreq / 4)
 #define OF_STDOUT_PATH		"/soc@80000000/serial@11300"

 #endif	/* __CONFIG_H */
	/*
	* (C) Copyright 2009 Wolfgang Denk <wd@denx.de>
	* (C) Copyright 2009, DAVE Srl <www.dave.eu>
	*
	* SPDX-License-Identifier: GPL-2.0+
	* modifications for the MECP5123 by reinhard.arlt@esd-electronics.com
	*
	*/

	/*
	* MECP5123 board configuration file
	*/

	#ifndef __CONFIG_H
	#define __CONFIG_H

	#define CONFIG_MECP5123 1
	/*
	* Memory map for the MECP5123 board:
	*
	* 0x0000_0000 - 0x1FFF_FFFF DDR RAM (512 MB)
	* 0x3000_0000 - 0x3001_FFFF SRAM (128 KB)
	* 0x8000_0000 - 0x803F_FFFF IMMR (4 MB)
	* 0x8200_0000 - 0x8200_FFFF VPC-3 (64 KB)
	* 0xFFC0_0000 - 0xFFFF_FFFF NOR Boot FLASH (64 MB)
	*/

	/*
	* High Level Configuration Options
	*/
	#define CONFIG_E300 1 /* E300 Family */
	#define CONFIG_MPC512X 1 /* MPC512X family */

	#define CONFIG_SYS_TEXT_BASE 0xFFF00000

	#define CONFIG_SYS_MPC512X_CLKIN 33333333 /* in Hz */

	#define CONFIG_BOARD_EARLY_INIT_F /* call board_early_init_f() */
	#define CONFIG_MISC_INIT_R

	#define CONFIG_SYS_IMMR 0x80000000
	#define CONFIG_SYS_DIU_ADDR (CONFIG_SYS_IMMR+0x2100)

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

	/*
	* DDR Setup - manually set all parameters as there's no SPD etc.
	*/
	#define CONFIG_SYS_DDR_SIZE 512 /* MB */

	#define CONFIG_SYS_DDR_BASE 0x00000000 /* DDR is sys memory*/
	#define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_BASE
	#define CONFIG_SYS_MAX_RAM_SIZE 0x20000000

	#define CONFIG_SYS_IOCTRL_MUX_DDR 0x00000036

	/* DDR Controller Configuration
	*
	* SYS_CFG:
	* [31:31] MDDRC Soft Reset: Diabled
	* [30:30] DRAM CKE pin: Enabled
	* [29:29] DRAM CLK: Enabled
	* [28:28] Command Mode: Enabled (For initialization only)
	* [27:25] DRAM Row Select: dram_row[15:0] = magenta_address[25:10]
	* [24:21] DRAM Bank Select: dram_bank[1:0] = magenta_address[11:10]
	* [20:19] Read Test: DON'T USE
	* [18:18] Self Refresh: Enabled
	* [17:17] 16bit Mode: Disabled
	* [16:13] Ready Delay: 2
	* [12:12] Half DQS Delay: Disabled
	* [11:11] Quarter DQS Delay: Disabled
	* [10:08] Write Delay: 2
	* [07:07] Early ODT: Disabled
	* [06:06] On DIE Termination: Disabled
	* [05:05] FIFO Overflow Clear: DON'T USE here
	* [04:04] FIFO Underflow Clear: DON'T USE here
	* [03:03] FIFO Overflow Pending: DON'T USE here
	* [02:02] FIFO Underlfow Pending: DON'T USE here
	* [01:01] FIFO Overlfow Enabled: Enabled
	* [00:00] FIFO Underflow Enabled: Enabled
	* TIME_CFG0
	* [31:16] DRAM Refresh Time: 0 CSB clocks
	* [15:8] DRAM Command Time: 0 CSB clocks
	* [07:00] DRAM Precharge Time: 0 CSB clocks
	* TIME_CFG1
	* [31:26] DRAM tRFC:
	* [25:21] DRAM tWR1:
	* [20:17] DRAM tWRT1:
	* [16:11] DRAM tDRR:
	* [10:05] DRAM tRC:
	* [04:00] DRAM tRAS:
	* TIME_CFG2
	* [31:28] DRAM tRCD:
	* [27:23] DRAM tFAW:
	* [22:19] DRAM tRTW1:
	* [18:15] DRAM tCCD:
	* [14:10] DRAM tRTP:
	* [09:05] DRAM tRP:
	* [04:00] DRAM tRPA
	*/
	#define CONFIG_SYS_MDDRC_SYS_CFG 0xEA804A00
	#define CONFIG_SYS_MDDRC_TIME_CFG0 0x06183D2E
	#define CONFIG_SYS_MDDRC_TIME_CFG1 0x68EC1168
	#define CONFIG_SYS_MDDRC_TIME_CFG2 0x34310864

	#define CONFIG_SYS_DDRCMD_NOP 0x01380000
	#define CONFIG_SYS_DDRCMD_PCHG_ALL 0x01100400
	#define CONFIG_SYS_DDRCMD_EM2 0x01020000
	#define CONFIG_SYS_DDRCMD_EM3 0x01030000
	#define CONFIG_SYS_DDRCMD_EN_DLL 0x01010000
	#define CONFIG_SYS_DDRCMD_RFSH 0x01080000
	#define CONFIG_SYS_MICRON_INIT_DEV_OP 0x01000432
	#define CONFIG_SYS_DDRCMD_OCD_DEFAULT 0x01010780

	/* DDR Priority Manager Configuration */
	#define CONFIG_SYS_MDDRCGRP_PM_CFG1 0x00077777
	#define CONFIG_SYS_MDDRCGRP_PM_CFG2 0x00000000
	#define CONFIG_SYS_MDDRCGRP_HIPRIO_CFG 0x00000001
	#define CONFIG_SYS_MDDRCGRP_LUT0_MU 0xFFEEDDCC
	#define CONFIG_SYS_MDDRCGRP_LUT0_ML 0xBBAAAAAA
	#define CONFIG_SYS_MDDRCGRP_LUT1_MU 0x66666666
	#define CONFIG_SYS_MDDRCGRP_LUT1_ML 0x55555555
	#define CONFIG_SYS_MDDRCGRP_LUT2_MU 0x44444444
	#define CONFIG_SYS_MDDRCGRP_LUT2_ML 0x44444444
	#define CONFIG_SYS_MDDRCGRP_LUT3_MU 0x55555555
	#define CONFIG_SYS_MDDRCGRP_LUT3_ML 0x55555558
	#define CONFIG_SYS_MDDRCGRP_LUT4_MU 0x11111111
	#define CONFIG_SYS_MDDRCGRP_LUT4_ML 0x11111122
	#define CONFIG_SYS_MDDRCGRP_LUT0_AU 0xaaaaaaaa
	#define CONFIG_SYS_MDDRCGRP_LUT0_AL 0xaaaaaaaa
	#define CONFIG_SYS_MDDRCGRP_LUT1_AU 0x66666666
	#define CONFIG_SYS_MDDRCGRP_LUT1_AL 0x66666666
	#define CONFIG_SYS_MDDRCGRP_LUT2_AU 0x11111111
	#define CONFIG_SYS_MDDRCGRP_LUT2_AL 0x11111111
	#define CONFIG_SYS_MDDRCGRP_LUT3_AU 0x11111111
	#define CONFIG_SYS_MDDRCGRP_LUT3_AL 0x11111111
	#define CONFIG_SYS_MDDRCGRP_LUT4_AU 0x11111111
	#define CONFIG_SYS_MDDRCGRP_LUT4_AL 0x11111111

	/*
	* NOR FLASH on the Local Bus
	*/
	#define CONFIG_SYS_FLASH_CFI /* use the Common Flash Interface */
	#define CONFIG_FLASH_CFI_DRIVER /* use the CFI driver */

	#define CONFIG_SYS_FLASH_BASE 0xFFC00000 /* start of FLASH */
	#define CONFIG_SYS_FLASH_SIZE 0x00400000 /* max flash size */

	#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
	#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* number of banks */
	#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE}
	#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max sectors per device */

	#undef CONFIG_SYS_FLASH_CHECKSUM

	/*
	* NAND FLASH
	* drivers/mtd/nand/mpc5121_nfc.c (rev 2 silicon only)
	*/
	#define CONFIG_CMD_NAND
	#define CONFIG_NAND_MPC5121_NFC
	#define CONFIG_SYS_NAND_BASE 0x40000000
	#define CONFIG_SYS_MAX_NAND_DEVICE 1

	/*
	* Configuration parameters for MPC5121 NAND driver
	*/
	#define CONFIG_FSL_NFC_WIDTH 1
	#define CONFIG_FSL_NFC_WRITE_SIZE 2048
	#define CONFIG_FSL_NFC_SPARE_SIZE 64
	#define CONFIG_FSL_NFC_CHIPS 1

	#define CONFIG_SYS_SRAM_BASE 0x30000000
	#define CONFIG_SYS_SRAM_SIZE 0x00020000 /* 128 KB */

	/* Initialize Local Window for NOR FLASH access */
	#define CONFIG_SYS_CS0_START CONFIG_SYS_FLASH_BASE
	#define CONFIG_SYS_CS0_SIZE CONFIG_SYS_FLASH_SIZE

	/* ALE active low, data size 4bytes */
	#define CONFIG_SYS_CS0_CFG 0x05051150

	/* Use not alternative CS timing */
	#define CONFIG_SYS_CS_ALETIMING 0x00000000

	/* ALE active low, data size 4bytes */
	#define CONFIG_SYS_CS1_CFG 0x1f1f3090
	#define CONFIG_SYS_VPC3_BASE 0x82000000 /* start of VPC3 space */
	#define CONFIG_SYS_VPC3_SIZE 0x00010000 /* max VPC3 size */
	/* Initialize Local Window for VPC3 access */
	#define CONFIG_SYS_CS1_START CONFIG_SYS_VPC3_BASE
	#define CONFIG_SYS_CS1_SIZE CONFIG_SYS_VPC3_SIZE

	/* Use SRAM for initial stack */
	#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_SRAM_BASE /* Init RAM addr */
	#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_SRAM_SIZE

	#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_BASE CONFIG_SYS_TEXT_BASE /* Start of monitor */
	#define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Monitor length */
	#define CONFIG_SYS_MALLOC_LEN (6 * 1024 * 1024) /* Malloc size */

	/*
	* Serial Port
	*/
	#define CONFIG_CONS_INDEX 1

	/*
	* Serial console configuration
	*/
	#define CONFIG_PSC_CONSOLE 3 /* console is on PSC3 */
	#define CONFIG_SYS_PSC3
	#if CONFIG_PSC_CONSOLE != 3
	#error CONFIG_PSC_CONSOLE must be 3
	#endif
	#define CONFIG_BAUDRATE 9600 /* ... at 9600 bps */
	#define CONFIG_SYS_BAUDRATE_TABLE \
	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 115200}

	#define CONSOLE_FIFO_TX_SIZE FIFOC_PSC3_TX_SIZE
	#define CONSOLE_FIFO_TX_ADDR FIFOC_PSC3_TX_ADDR
	#define CONSOLE_FIFO_RX_SIZE FIFOC_PSC3_RX_SIZE
	#define CONSOLE_FIFO_RX_ADDR FIFOC_PSC3_RX_ADDR

	/*
	* Clocks in use
	*/
	#define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN \| \
	CLOCK_SCCR1_LPC_EN \| \
	CLOCK_SCCR1_PSC_EN(CONFIG_PSC_CONSOLE) \| \
	CLOCK_SCCR1_PSCFIFO_EN \| \
	CLOCK_SCCR1_DDR_EN \| \
	CLOCK_SCCR1_FEC_EN \| \
	CLOCK_SCCR1_NFC_EN \| \
	CLOCK_SCCR1_PCI_EN \| \
	CLOCK_SCCR1_TPR_EN)

	#define SCCR2_CLOCKS_EN (CLOCK_SCCR2_MEM_EN \| \
	CLOCK_SCCR2_I2C_EN)


	#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
	/* Use the HUSH parser */
	#define CONFIG_SYS_HUSH_PARSER
	#ifdef CONFIG_SYS_HUSH_PARSER
	#endif

	/* I2C */
	#define CONFIG_HARD_I2C /* I2C with hardware support */
	#undef CONFIG_SOFT_I2C /* so disable bit-banged I2C */
	#define CONFIG_I2C_MULTI_BUS
	#define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed */
	#define CONFIG_SYS_I2C_SLAVE 0x7F /* slave address */

	/*
	* IIM - IC Identification Module
	*/
	#undef CONFIG_FSL_IIM

	/*
	* EEPROM configuration
	*/
	#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* 16-bit EEPROM address */
	#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Atmel: AT24C32A-10TQ-2.7 */
	#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* 10ms of delay */
	#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5 /* 32-Byte Page Write Mode */
	#define CONFIG_SYS_EEPROM_WREN /* Use EEPROM write protect */

	/*
	* Ethernet configuration
	*/
	#define CONFIG_MPC512x_FEC 1
	#define CONFIG_PHY_ADDR 0x1
	#define CONFIG_MII 1 /* MII PHY management */
	#define CONFIG_FEC_AN_TIMEOUT 1
	#define CONFIG_HAS_ETH0

	/*
	* Configure on-board RTC
	*/
	#define CONFIG_SYS_RTC_BUS_NUM 0x01
	#define CONFIG_SYS_I2C_RTC_ADDR 0x32
	#define CONFIG_RTC_RX8025

	/*
	* Environment
	*/
	#define CONFIG_ENV_IS_IN_EEPROM /* Store env in I2C EEPROM */
	#define CONFIG_ENV_SIZE 0x1000
	#define CONFIG_ENV_OFFSET 0x0000 /* environment starts here */

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

	#include <config_cmd_default.h>

	#define CONFIG_CMD_ASKENV
	#define CONFIG_CMD_DHCP
	#define CONFIG_CMD_I2C
	#define CONFIG_CMD_MII
	#define CONFIG_CMD_NFS
	#define CONFIG_CMD_PING
	#define CONFIG_CMD_REGINFO
	#define CONFIG_CMD_EEPROM
	#define CONFIG_CMD_DATE
	#undef CONFIG_CMD_FUSE
	#undef CONFIG_CMD_IDE
	#undef CONFIG_CMD_EXT2
	#define CONFIG_CMD_FAT
	#define CONFIG_CMD_JFFS2
	#define CONFIG_CMD_ELF
	#define CONFIG_DOS_PARTITION

	/*
	* Watchdog timeout = CONFIG_SYS_WATCHDOG_VALUE * 65536 / IPS clock.
	* For example, when IPS is set to 66MHz and CONFIG_SYS_WATCHDOG_VALUE is set
	* to 0xFFFF, watchdog timeouts after about 64s. For details refer
	* to chapter 36 of the MPC5121e Reference Manual.
	*/
	/* #define CONFIG_WATCHDOG / / enable watchdog */
	#define CONFIG_SYS_WATCHDOG_VALUE 0xFFFF

	/*
	* Miscellaneous configurable options
	*/
	#define CONFIG_SYS_LONGHELP /* undef to save memory */
	#define CONFIG_SYS_LOAD_ADDR 0x2000000 /* default load address */
	#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */

	#ifdef 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

	/* Print Buffer Size */
	#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
	sizeof(CONFIG_SYS_PROMPT) + 16)
	/* max number of command args */
	#define CONFIG_SYS_MAXARGS 32
	/* Boot Argument Buffer Size */
	#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE

	#define CONFIG_SYS_HZ 1000

	/*
	* For booting Linux, the board info and command line data
	* have to be in the first 256 MB of memory, since this is
	* the maximum mapped by the Linux kernel during initialization.
	*/
	#define CONFIG_SYS_BOOTMAPSZ (256 << 20) /* Linux initial memory map */

	/* Cache Configuration */
	#define CONFIG_SYS_DCACHE_SIZE 32768
	#define CONFIG_SYS_CACHELINE_SIZE 32
	#ifdef CONFIG_CMD_KGDB
	#define CONFIG_SYS_CACHELINE_SHIFT 5
	#endif

	#define CONFIG_SYS_HID0_INIT 0x000000000
	#define CONFIG_SYS_HID0_FINAL HID0_ENABLE_MACHINE_CHECK
	#define CONFIG_SYS_HID2 HID2_HBE

	#define CONFIG_HIGH_BATS 1 /* High BATs supported */

	#ifdef CONFIG_CMD_KGDB
	#define CONFIG_KGDB_BAUDRATE 230400 /* speed of kgdb serial port */
	#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
	#endif

	/*
	* Environment Configuration
	*/
	#define CONFIG_TIMESTAMP

	#define CONFIG_HOSTNAME mecp512x
	#define CONFIG_BOOTFILE "/tftpboot/mecp512x/uImage"
	#define CONFIG_ROOTPATH "/tftpboot/mecp512x/target_root"

	#define CONFIG_LOADADDR 400000 /* def. location for tftp and bootm */

	#define CONFIG_BOOTDELAY 5 /* -1 disables auto-boot */
	#undef CONFIG_BOOTARGS /* the boot command will set bootargs*/

	#define CONFIG_PREBOOT "echo;" \
	"echo Welcome to MECP5123" \
	"echo"

	#define CONFIG_EXTRA_ENV_SETTINGS \
	"u-boot_addr_r=200000\0" \
	"kernel_addr_r=600000\0" \
	"fdt_addr_r=880000\0" \
	"ramdisk_addr_r=900000\0" \
	"u-boot_addr=FFF00000\0" \
	"kernel_addr=FFC40000\0" \
	"fdt_addr=FFEC0000\0" \
	"ramdisk_addr=FC040000\0" \
	"ramdiskfile=/tftpboot/mecp512x/uRamdisk\0" \
	"u-boot=/tftpboot/mecp512x/u-boot.bin\0" \
	"bootfile=/tftpboot/mecp512x/uImage\0" \
	"fdtfile=/tftpboot/mecp512x/mecp512x.dtb\0" \
	"rootpath=/tftpboot/mecp512x/target_root\n" \
	"netdev=eth0\0" \
	"consdev=ttyPSC0\0" \
	"nfsargs=setenv bootargs root=/dev/nfs rw " \
	"nfsroot=${serverip}:${rootpath}\0" \
	"ramargs=setenv bootargs root=/dev/ram rw\0" \
	"addip=setenv bootargs ${bootargs} " \
	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
	":${hostname}:${netdev}:off panic=1\0" \
	"addtty=setenv bootargs ${bootargs} " \
	"console=${consdev},${baudrate}\0" \
	"flash_nfs=run nfsargs addip addtty;" \
	"bootm ${kernel_addr} - ${fdt_addr}\0" \
	"flash_self=run ramargs addip addtty;" \
	"bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
	"net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
	"tftp ${fdt_addr_r} ${fdtfile};" \
	"run nfsargs addip addtty;" \
	"bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
	"net_self=tftp ${kernel_addr_r} ${bootfile};" \
	"tftp ${ramdisk_addr_r} ${ramdiskfile};" \
	"tftp ${fdt_addr_r} ${fdtfile};" \
	"run ramargs addip addtty;" \
	"bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0"\
	"load=tftp ${u-boot_addr_r} ${u-boot}\0" \
	"update=protect off ${u-boot_addr} +${filesize};" \
	"era ${u-boot_addr} +${filesize};" \
	"cp.b ${u-boot_addr_r} ${u-boot_addr} ${filesize}\0" \
	"upd=run load update\0" \
	""

	#define CONFIG_BOOTCOMMAND "run flash_self"

	#define CONFIG_OF_LIBFDT
	#define CONFIG_OF_BOARD_SETUP

	#define OF_CPU "PowerPC,5121@0"
	#define OF_SOC_COMPAT "fsl,mpc5121-immr"
	#define OF_TBCLK (bd->bi_busfreq / 4)
	#define OF_STDOUT_PATH "/soc@80000000/serial@11300"

	#endif /* __CONFIG_H */