mpc83xx: Add the support of MPC837xEMDS board

The MPC837xEMDS board support:
* DDR2 400MHz hardcoded and SPD init
* Local bus NOR Flash
* I2C, UART, MII and RTC
* eTSEC RGMII
* PCI host

Signed-off-by: Dave Liu <daveliu@freescale.com>

1 files changed, 605 insertions, 0 deletions

diff --git a/include/configs/MPC837XEMDS.h b/include/configs/MPC837XEMDS.h
new file mode 100644
index 0000000..7e34492
--- /dev/null
+++ b/include/configs/MPC837XEMDS.h
@@ -0,0 +1,605 @@
+/*
+ * Copyright (C) 2007 Freescale Semiconductor, Inc.
+ * Dave Liu <daveliu@freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#undef DEBUG
+
+/*
+ * High Level Configuration Options
+ */
+#define CONFIG_E300		1 /* E300 family */
+#define CONFIG_MPC83XX		1 /* MPC83XX family */
+#define CONFIG_MPC837X		1 /* MPC837X CPU specific */
+#define CONFIG_MPC837XEMDS	1 /* MPC837XEMDS board specific */
+
+/*
+ * System Clock Setup
+ */
+#ifdef CONFIG_PCISLAVE
+#define CONFIG_83XX_PCICLK	66000000 /* in HZ */
+#else
+#define CONFIG_83XX_CLKIN	66000000 /* in Hz */
+#endif
+
+#ifndef CONFIG_SYS_CLK_FREQ
+#define CONFIG_SYS_CLK_FREQ	66000000
+#endif
+
+/*
+ * Hardware Reset Configuration Word
+ * if CLKIN is 66MHz, then
+ * CSB = 396MHz, CORE = 594MHz, DDRC = 396MHz, LBC = 396MHz
+ */
+#define CFG_HRCW_LOW (\
+	HRCWL_LCL_BUS_TO_SCB_CLK_1X1 |\
+	HRCWL_DDR_TO_SCB_CLK_1X1 |\
+	HRCWL_SVCOD_DIV_2 |\
+	HRCWL_CSB_TO_CLKIN_6X1 |\
+	HRCWL_CORE_TO_CSB_1_5X1)
+
+#ifdef CONFIG_PCISLAVE
+#define CFG_HRCW_HIGH (\
+	HRCWH_PCI_AGENT |\
+	HRCWH_PCI1_ARBITER_DISABLE |\
+	HRCWH_CORE_ENABLE |\
+	HRCWH_FROM_0XFFF00100 |\
+	HRCWH_BOOTSEQ_DISABLE |\
+	HRCWH_SW_WATCHDOG_DISABLE |\
+	HRCWH_ROM_LOC_LOCAL_16BIT |\
+	HRCWH_RL_EXT_LEGACY |\
+	HRCWH_TSEC1M_IN_RGMII |\
+	HRCWH_TSEC2M_IN_RGMII |\
+	HRCWH_BIG_ENDIAN |\
+	HRCWH_LDP_CLEAR)
+#else
+#define CFG_HRCW_HIGH (\
+	HRCWH_PCI_HOST |\
+	HRCWH_PCI1_ARBITER_ENABLE |\
+	HRCWH_CORE_ENABLE |\
+	HRCWH_FROM_0X00000100 |\
+	HRCWH_BOOTSEQ_DISABLE |\
+	HRCWH_SW_WATCHDOG_DISABLE |\
+	HRCWH_ROM_LOC_LOCAL_16BIT |\
+	HRCWH_RL_EXT_LEGACY |\
+	HRCWH_TSEC1M_IN_RGMII |\
+	HRCWH_TSEC2M_IN_RGMII |\
+	HRCWH_BIG_ENDIAN |\
+	HRCWH_LDP_CLEAR)
+#endif
+
+/*
+ * eTSEC Clock Config
+ */
+#define CFG_SCCR_TSEC1CM	1	/* CSB:eTSEC1 = 1:1 */
+#define CFG_SCCR_TSEC2CM	1	/* CSB:eTSEC2 = 1:1 */
+
+/*
+ * System IO Config
+ */
+#define CFG_SICRH		0x00000000
+#define CFG_SICRL		0x00000000
+
+/*
+ * Output Buffer Impedance
+ */
+#define CFG_OBIR		0x31100000
+
+#define CONFIG_BOARD_EARLY_INIT_F /* call board_pre_init */
+#define CONFIG_BOARD_EARLY_INIT_R
+
+/*
+ * IMMR new address
+ */
+#define CFG_IMMR		0xE0000000
+
+/*
+ * DDR Setup
+ */
+#define CFG_DDR_BASE		0x00000000 /* DDR is system memory */
+#define CFG_SDRAM_BASE		CFG_DDR_BASE
+#define CFG_DDR_SDRAM_BASE	CFG_DDR_BASE
+#define CFG_DDR_SDRAM_CLK_CNTL	DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05
+#define CFG_83XX_DDR_USES_CS0
+#define CFG_DDRCDR_VALUE	0x80080001 /* ODT 150ohm on SoC */
+
+#undef CONFIG_DDR_ECC		/* support DDR ECC function */
+#undef CONFIG_DDR_ECC_CMD	/* Use DDR ECC user commands */
+
+#define CONFIG_SPD_EEPROM	/* Use SPD EEPROM for DDR setup */
+#define CONFIG_NEVER_ASSERT_ODT_TO_CPU /* Never assert ODT to internal IOs */
+
+#if defined(CONFIG_SPD_EEPROM)
+#define SPD_EEPROM_ADDRESS	0x51 /* I2C address of DDR SODIMM SPD */
+#else
+/*
+ * Manually set up DDR parameters
+ * WHITE ELECTRONIC DESGGNS - W3HG64M72EEU403PD4 SO-DIMM
+ * consist of nine chips from SAMSUNG K4T51083QE-ZC(L)D5
+ */
+#define CFG_DDR_SIZE		512 /* MB */
+#define CFG_DDR_CS0_BNDS	0x0000001f
+#define CFG_DDR_CS0_CONFIG	( CSCONFIG_EN \
+				| 0x00010000  /* ODT_WR to CSn */ \
+				| CSCONFIG_ROW_BIT_14 | CSCONFIG_COL_BIT_10 )
+				/* 0x80010202 */
+#define CFG_DDR_TIMING_3	0x00000000
+#define CFG_DDR_TIMING_0	( ( 0 << TIMING_CFG0_RWT_SHIFT ) \
+				| ( 0 << TIMING_CFG0_WRT_SHIFT ) \
+				| ( 0 << TIMING_CFG0_RRT_SHIFT ) \
+				| ( 0 << TIMING_CFG0_WWT_SHIFT ) \
+				| ( 6 << TIMING_CFG0_ACT_PD_EXIT_SHIFT ) \
+				| ( 2 << TIMING_CFG0_PRE_PD_EXIT_SHIFT ) \
+				| ( 8 << TIMING_CFG0_ODT_PD_EXIT_SHIFT ) \
+				| ( 2 << TIMING_CFG0_MRS_CYC_SHIFT ) )
+				/* 0x00620802 */
+#define CFG_DDR_TIMING_1	( ( 3 << TIMING_CFG1_PRETOACT_SHIFT ) \
+				| ( 9 << TIMING_CFG1_ACTTOPRE_SHIFT ) \
+				| ( 3 << TIMING_CFG1_ACTTORW_SHIFT ) \
+				| ( 5 << TIMING_CFG1_CASLAT_SHIFT ) \
+				| (13 << TIMING_CFG1_REFREC_SHIFT ) \
+				| ( 3 << TIMING_CFG1_WRREC_SHIFT ) \
+				| ( 2 << TIMING_CFG1_ACTTOACT_SHIFT ) \
+				| ( 2 << TIMING_CFG1_WRTORD_SHIFT ) )
+				/* 0x3935d322 */
+#define CFG_DDR_TIMING_2	( ( 2 << TIMING_CFG2_ADD_LAT_SHIFT ) \
+				| ( 6 << TIMING_CFG2_CPO_SHIFT ) \
+				| ( 2 << TIMING_CFG2_WR_LAT_DELAY_SHIFT ) \
+				| ( 4 << TIMING_CFG2_RD_TO_PRE_SHIFT ) \
+				| ( 2 << TIMING_CFG2_WR_DATA_DELAY_SHIFT ) \
+				| ( 3 << TIMING_CFG2_CKE_PLS_SHIFT ) \
+				| ( 8 << TIMING_CFG2_FOUR_ACT_SHIFT) )
+				/* 0x231088c8 */
+#define CFG_DDR_INTERVAL	( ( 0x03E0 << SDRAM_INTERVAL_REFINT_SHIFT ) \
+				| ( 0x0100 << SDRAM_INTERVAL_BSTOPRE_SHIFT ) )
+				/* 0x03E00100 */
+#define CFG_DDR_SDRAM_CFG	0x43000000
+#define CFG_DDR_SDRAM_CFG2	0x00001000 /* 1 posted refresh */
+#define CFG_DDR_MODE		( ( 0x0450 << SDRAM_MODE_ESD_SHIFT ) \
+				| ( 0x1432 << SDRAM_MODE_SD_SHIFT ) )
+				/* ODT 150ohm CL=3, AL=2 on SDRAM */
+#define CFG_DDR_MODE2		0x00000000
+#endif
+
+/*
+ * Memory test
+ */
+#undef CFG_DRAM_TEST		/* memory test, takes time */
+#define CFG_MEMTEST_START	0x00040000 /* memtest region */
+#define CFG_MEMTEST_END		0x00140000
+
+/*
+ * The reserved memory
+ */
+#define CFG_MONITOR_BASE	TEXT_BASE /* start of monitor */
+
+#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
+#define CFG_RAMBOOT
+#else
+#undef CFG_RAMBOOT
+#endif
+
+#define CFG_MONITOR_LEN		(256 * 1024) /* Reserve 256 kB for Mon */
+#define CFG_MALLOC_LEN		(512 * 1024) /* Reserved for malloc */
+
+/*
+ * Initial RAM Base Address Setup
+ */
+#define CFG_INIT_RAM_LOCK	1
+#define CFG_INIT_RAM_ADDR	0xE6000000 /* Initial RAM address */
+#define CFG_INIT_RAM_END	0x1000 /* End of used area in RAM */
+#define CFG_GBL_DATA_SIZE	0x100 /* num bytes initial data */
+#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+
+/*
+ * Local Bus Configuration & Clock Setup
+ */
+#define CFG_LCRR		(LCRR_DBYP | LCRR_CLKDIV_8)
+#define CFG_LBC_LBCR		0x00000000
+
+/*
+ * FLASH on the Local Bus
+ */
+#define CFG_FLASH_CFI		/* use the Common Flash Interface */
+#define CFG_FLASH_CFI_DRIVER	/* use the CFI driver */
+#define CFG_FLASH_BASE		0xFE000000 /* FLASH base address */
+#define CFG_FLASH_SIZE		32 /* max FLASH size is 32M */
+
+#define CFG_LBLAWBAR0_PRELIM	CFG_FLASH_BASE /* Window base at flash base */
+#define CFG_LBLAWAR0_PRELIM	0x80000018 /* 32MB window size */
+
+#define CFG_BR0_PRELIM		(CFG_FLASH_BASE | /* Flash Base address */ \
+				(2 << BR_PS_SHIFT) | /* 16 bit port size */ \
+				BR_V) /* valid */
+#define CFG_OR0_PRELIM		((~(CFG_FLASH_SIZE - 1) << 20) | OR_UPM_XAM | \
+				OR_GPCM_CSNT | OR_GPCM_ACS_0b11 | OR_GPCM_XACS | OR_GPCM_SCY_15 | \
+				OR_GPCM_TRLX | OR_GPCM_EHTR | OR_GPCM_EAD)
+
+#define CFG_MAX_FLASH_BANKS	1 /* number of banks */
+#define CFG_MAX_FLASH_SECT	256 /* max sectors per device */
+
+#undef CFG_FLASH_CHECKSUM
+#define CFG_FLASH_ERASE_TOUT	60000 /* Flash Erase Timeout (ms) */
+#define CFG_FLASH_WRITE_TOUT	500 /* Flash Write Timeout (ms) */
+
+/*
+ * BCSR on the Local Bus
+ */
+#define CFG_BCSR		0xF8000000
+#define CFG_LBLAWBAR1_PRELIM	CFG_BCSR /* Access window base at BCSR base */
+#define CFG_LBLAWAR1_PRELIM	0x8000000E /* Access window size 32K */
+
+#define CFG_BR1_PRELIM		(CFG_BCSR | 0x00000801) /* Port size=8bit, MSEL=GPCM */
+#define CFG_OR1_PRELIM		0xFFFFE9f7 /* length 32K */
+
+/*
+ * NAND Flash on the Local Bus
+ */
+#define CFG_NAND_BASE		0xE0600000	/* 0xE0600000 */
+#define CFG_BR3_PRELIM		( CFG_NAND_BASE \
+				| (2<<BR_DECC_SHIFT)	/* Use HW ECC */ \
+				| BR_PS_8		/* Port Size = 8 bit */ \
+				| BR_MS_FCM		/* MSEL = FCM */ \
+				| BR_V )		/* valid */
+#define CFG_OR3_PRELIM		( 0xFFFF8000		/* length 32K */ \
+				| OR_FCM_CSCT \
+				| OR_FCM_CST \
+				| OR_FCM_CHT \
+				| OR_FCM_SCY_1 \
+				| OR_FCM_TRLX \
+				| OR_FCM_EHTR )
+				/* 0xFFFF8396 */
+
+#define CFG_LBLAWBAR3_PRELIM	CFG_NAND_BASE
+#define CFG_LBLAWAR3_PRELIM	0x8000000E	/* 32KB  */
+
+/*
+ * Serial Port
+ */
+#define CONFIG_CONS_INDEX	1
+#undef CONFIG_SERIAL_SOFTWARE_FIFO
+#define CFG_NS16550
+#define CFG_NS16550_SERIAL
+#define CFG_NS16550_REG_SIZE	1
+#define CFG_NS16550_CLK		get_bus_freq(0)
+
+#define CFG_BAUDRATE_TABLE  \
+	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
+
+#define CFG_NS16550_COM1	(CFG_IMMR+0x4500)
+#define CFG_NS16550_COM2	(CFG_IMMR+0x4600)
+
+/* Use the HUSH parser */
+#define CFG_HUSH_PARSER
+#ifdef CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2 "> "
+#endif
+
+/* Pass open firmware flat tree */
+#define CONFIG_OF_LIBFDT	1
+#define CONFIG_OF_BOARD_SETUP	1
+#define CONFIG_OF_HAS_BD_T	1
+#define CONFIG_OF_HAS_UBOOT_ENV	1
+
+#define OF_CPU			"PowerPC,837x@0"
+#define OF_SOC			"soc837x@e0000000"
+#define OF_TBCLK		(bd->bi_busfreq / 4)
+#define OF_STDOUT_PATH		"/soc837x@e0000000/serial@4500"
+
+/* I2C */
+#define CONFIG_HARD_I2C		/* I2C with hardware support */
+#undef CONFIG_SOFT_I2C		/* I2C bit-banged */
+#define CONFIG_FSL_I2C
+#define CFG_I2C_SPEED		400000 /* I2C speed and slave address */
+#define CFG_I2C_SLAVE		0x7F
+#define CFG_I2C_NOPROBES	{0x51} /* Don't probe these addrs */
+#define CFG_I2C_OFFSET		0x3000
+#define CFG_I2C2_OFFSET		0x3100
+
+/*
+ * Config on-board RTC
+ */
+#define CONFIG_RTC_DS1374	/* use ds1374 rtc via i2c */
+#define CFG_I2C_RTC_ADDR	0x68 /* at address 0x68 */
+
+/*
+ * General PCI
+ * Addresses are mapped 1-1.
+ */
+#define CFG_PCI_MEM_BASE	0x80000000
+#define CFG_PCI_MEM_PHYS	CFG_PCI_MEM_BASE
+#define CFG_PCI_MEM_SIZE	0x10000000 /* 256M */
+#define CFG_PCI_MMIO_BASE	0x90000000
+#define CFG_PCI_MMIO_PHYS	CFG_PCI_MMIO_BASE
+#define CFG_PCI_MMIO_SIZE	0x10000000 /* 256M */
+#define CFG_PCI_IO_BASE		0xE0300000
+#define CFG_PCI_IO_PHYS		0xE0300000
+#define CFG_PCI_IO_SIZE		0x100000 /* 1M */
+
+#define CFG_PCI_SLV_MEM_LOCAL	CFG_SDRAM_BASE
+#define CFG_PCI_SLV_MEM_BUS	0x00000000
+#define CFG_PCI_SLV_MEM_SIZE	0x80000000
+
+#ifdef CONFIG_PCI
+#define CONFIG_83XX_GENERIC_PCI	1 /* Use generic PCI setup */
+#define CONFIG_PQ_MDS_PIB	1 /* PQ MDS Platform IO Board */
+
+#define CONFIG_NET_MULTI
+#define CONFIG_PCI_PNP		/* do pci plug-and-play */
+
+#undef CONFIG_EEPRO100
+#undef CONFIG_PCI_SCAN_SHOW	/* show pci devices on startup */
+#define CFG_PCI_SUBSYS_VENDORID 0x1957	/* Freescale */
+#endif /* CONFIG_PCI */
+
+#ifndef CONFIG_NET_MULTI
+#define CONFIG_NET_MULTI	1
+#endif
+
+/*
+ * TSEC
+ */
+#define CONFIG_TSEC_ENET	/* TSEC ethernet support */
+#define CFG_TSEC1_OFFSET	0x24000
+#define CFG_TSEC1		(CFG_IMMR+CFG_TSEC1_OFFSET)
+#define CFG_TSEC2_OFFSET	0x25000
+#define CFG_TSEC2		(CFG_IMMR+CFG_TSEC2_OFFSET)
+
+/*
+ * TSEC ethernet configuration
+ */
+#define CONFIG_MII		1 /* MII PHY management */
+#define CONFIG_TSEC1		1
+#define CONFIG_TSEC1_NAME	"eTSEC0"
+#define CONFIG_TSEC2		1
+#define CONFIG_TSEC2_NAME	"eTSEC1"
+#define TSEC1_PHY_ADDR		2
+#define TSEC2_PHY_ADDR		3
+#define TSEC1_PHYIDX		0
+#define TSEC2_PHYIDX		0
+#define TSEC1_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
+#define TSEC2_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
+
+/* Options are: TSEC[0-1] */
+#define CONFIG_ETHPRIME		"eTSEC1"
+
+/*
+ * Environment
+ */
+#ifndef CFG_RAMBOOT
+	#define CFG_ENV_IS_IN_FLASH	1
+	#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
+	#define CFG_ENV_SECT_SIZE	0x20000 /* 128K(one sector) for env */
+	#define CFG_ENV_SIZE		0x2000
+#else
+	#define CFG_NO_FLASH		1	/* Flash is not usable now */
+	#define CFG_ENV_IS_NOWHERE	1	/* Store ENV in memory only */
+	#define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
+	#define CFG_ENV_SIZE		0x2000
+#endif
+
+#define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
+#define CFG_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.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_DATE
+
+#if defined(CONFIG_PCI)
+    #define CONFIG_CMD_PCI
+#endif
+
+#if defined(CFG_RAMBOOT)
+    #undef CONFIG_CMD_ENV
+    #undef CONFIG_CMD_LOADS
+#endif
+
+#define CONFIG_CMDLINE_EDITING	1	/* add command line history */
+
+#undef CONFIG_WATCHDOG		/* watchdog disabled */
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP		/* undef to save memory */
+#define CFG_LOAD_ADDR		0x2000000 /* default load address */
+#define CFG_PROMPT		"=> "	/* Monitor Command Prompt */
+
+#if defined(CONFIG_CMD_KGDB)
+	#define CFG_CBSIZE	1024 /* Console I/O Buffer Size */
+#else
+	#define CFG_CBSIZE	256 /* Console I/O Buffer Size */
+#endif
+
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS	16		/* max number of command args */
+#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size */
+#define CFG_HZ		1000		/* decrementer freq: 1ms ticks */
+
+/*
+ * 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 CFG_BOOTMAPSZ		(8 << 20) /* Initial Memory map for Linux */
+
+/*
+ * Core HID Setup
+ */
+#define CFG_HID0_INIT		0x000000000
+#define CFG_HID0_FINAL		HID0_ENABLE_MACHINE_CHECK
+#define CFG_HID2		HID2_HBE
+
+/*
+ * Cache Config
+ */
+#define CFG_DCACHE_SIZE		32768
+#define CFG_CACHELINE_SIZE	32
+#if defined(CONFIG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT	5 /*log base 2 of the above value */
+#endif
+
+/*
+ * MMU Setup
+ */
+
+/* DDR: cache cacheable */
+#define CFG_SDRAM_LOWER		CFG_SDRAM_BASE
+#define CFG_SDRAM_UPPER		(CFG_SDRAM_BASE + 0x10000000)
+
+#define CFG_IBAT0L	(CFG_SDRAM_LOWER | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT0U	(CFG_SDRAM_LOWER | BATU_BL_256M | BATU_VS | BATU_VP)
+#define CFG_DBAT0L	CFG_IBAT0L
+#define CFG_DBAT0U	CFG_IBAT0U
+
+#define CFG_IBAT1L	(CFG_SDRAM_UPPER | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT1U	(CFG_SDRAM_UPPER | BATU_BL_256M | BATU_VS | BATU_VP)
+#define CFG_DBAT1L	CFG_IBAT1L
+#define CFG_DBAT1U	CFG_IBAT1U
+
+/* IMMRBAR, PCI IO and NAND: cache-inhibit and guarded */
+#define CFG_IBAT2L	(CFG_IMMR | BATL_PP_10 | \
+			BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
+#define CFG_IBAT2U	(CFG_IMMR | BATU_BL_8M | BATU_VS | BATU_VP)
+#define CFG_DBAT2L	CFG_IBAT2L
+#define CFG_DBAT2U	CFG_IBAT2U
+
+/* BCSR: cache-inhibit and guarded */
+#define CFG_IBAT3L	(CFG_BCSR | BATL_PP_10 | \
+			BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
+#define CFG_IBAT3U	(CFG_BCSR | BATU_BL_128K | BATU_VS | BATU_VP)
+#define CFG_DBAT3L	CFG_IBAT3L
+#define CFG_DBAT3U	CFG_IBAT3U
+
+/* FLASH: icache cacheable, but dcache-inhibit and guarded */
+#define CFG_IBAT4L	(CFG_FLASH_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT4U	(CFG_FLASH_BASE | BATU_BL_32M | BATU_VS | BATU_VP)
+#define CFG_DBAT4L	(CFG_FLASH_BASE | BATL_PP_10 | \
+			BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
+#define CFG_DBAT4U	CFG_IBAT4U
+
+/* Stack in dcache: cacheable, no memory coherence */
+#define CFG_IBAT5L	(CFG_INIT_RAM_ADDR | BATL_PP_10)
+#define CFG_IBAT5U	(CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
+#define CFG_DBAT5L	CFG_IBAT5L
+#define CFG_DBAT5U	CFG_IBAT5U
+
+#ifdef CONFIG_PCI
+/* PCI MEM space: cacheable */
+#define CFG_IBAT6L	(CFG_PCI_MEM_PHYS | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT6U	(CFG_PCI_MEM_PHYS | BATU_BL_256M | BATU_VS | BATU_VP)
+#define CFG_DBAT6L	CFG_IBAT6L
+#define CFG_DBAT6U	CFG_IBAT6U
+/* PCI MMIO space: cache-inhibit and guarded */
+#define CFG_IBAT7L	(CFG_PCI_MMIO_PHYS | BATL_PP_10 | \
+			BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
+#define CFG_IBAT7U	(CFG_PCI_MMIO_PHYS | BATU_BL_256M | BATU_VS | BATU_VP)
+#define CFG_DBAT7L	CFG_IBAT7L
+#define CFG_DBAT7U	CFG_IBAT7U
+#else
+#define CFG_IBAT6L	(0)
+#define CFG_IBAT6U	(0)
+#define CFG_IBAT7L	(0)
+#define CFG_IBAT7U	(0)
+#define CFG_DBAT6L	CFG_IBAT6L
+#define CFG_DBAT6U	CFG_IBAT6U
+#define CFG_DBAT7L	CFG_IBAT7L
+#define CFG_DBAT7U	CFG_IBAT7U
+#endif
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD	0x01 /* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM	0x02 /* Software reboot */
+
+#if defined(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_ENV_OVERWRITE
+
+#if defined(CONFIG_TSEC_ENET)
+#define CONFIG_HAS_ETH0
+#define CONFIG_ETHADDR		00:E0:0C:00:83:79
+#define CONFIG_HAS_ETH1
+#define CONFIG_ETH1ADDR		00:E0:0C:00:83:78
+#endif
+
+#define CONFIG_BAUDRATE 115200
+
+#define CONFIG_LOADADDR 200000	/* default location for tftp and bootm */
+
+#define CONFIG_BOOTDELAY 6	/* -1 disables auto-boot */
+#undef CONFIG_BOOTARGS		/* the boot command will set bootargs */
+
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+   "netdev=eth0\0"							\
+   "consoledev=ttyS0\0"							\
+   "ramdiskaddr=1000000\0"						\
+   "ramdiskfile=ramfs.83xx\0"						\
+   "fdtaddr=400000\0"							\
+   "fdtfile=mpc837xemds.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 */