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

 /*
  * (C) Copyright 2007
  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
  * 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
  */

 /*
  * board/config.h - configuration options, board specific
  */

 #ifndef __CONFIG_H
 #define __CONFIG_H

 /*
  * High Level Configuration Options
  * (easy to change)
  */

 #define CONFIG_MPC866		1	/* This is a MPC866 CPU		*/
 #define CONFIG_MGSUVD		1	/* ...on a mgsuvd board	*/

 /* include common defines/options for all Keymile boards */
 #include "keymile-common.h"

 #define CONFIG_8xx_GCLK_FREQ		66000000

 #define CONFIG_SYS_SMC_UCODE_PATCH	1	/* Relocate SMC1 */
 #define CONFIG_SYS_SMC_DPMEM_OFFSET	0x1fc0
 #define CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/

 #define CONFIG_SYS_CPM_BOOTCOUNT_ADDR	0x1eb0	/* In case of SMC relocation, the
 					 * default value is not working */

 #define CONFIG_PREBOOT	"echo;" \
 	"echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
 	"echo"

 #define CONFIG_EXTRA_ENV_SETTINGS						\
 	"netdev=eth0\0"								\
 	"addcons=setenv bootargs ${bootargs} console=ttyCPM0,${baudrate}\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"				\
 	"flash_nfs=run nfsargs addip;"						\
 		"bootm ${kernel_addr}\0"					\
 	"flash_self=run ramargs addip;"						\
 		"bootm ${kernel_addr} ${ramdisk_addr}\0"			\
 	"net_nfs=tftp ${kernel_addr} ${bootfile}; "				\
 		"tftp ${fdt_addr} ${fdt_file}; run nfsargs addip addcons;"	\
 		"bootm ${kernel_addr} - ${fdt_addr}\0"				\
 	"rootpath=/opt/eldk/ppc_8xx\0"						\
 	"bootfile=/tftpboot/mgsuvd/uImage\0"					\
 	"fdt_addr=400000\0"							\
 	"kernel_addr=200000\0"							\
 	"fdt_file=/tftpboot/mgsuvd/mgsuvd.dtb\0"				\
 	"load=tftp 200000 ${u-boot}\0"						\
 	"update=protect off f0000000 +${filesize};"				\
 		"erase f0000000 +${filesize};"					\
 		"cp.b 200000 f0000000 ${filesize};"				\
 		"protect on f0000000 +${filesize}\0"				\
 	""

 #undef CONFIG_RTC_MPC8xx		/* MPC866 does not support RTC	*/

 #define	CONFIG_TIMESTAMP		/* but print image timestmps	*/

 /*
  * Low Level Configuration Settings
  * (address mappings, register initial values, etc.)
  * You should know what you are doing if you make changes here.
  */
 /*-----------------------------------------------------------------------
  * Internal Memory Mapped Register
  */
 #define CONFIG_SYS_IMMR		0xFFF00000

 /*-----------------------------------------------------------------------
  * Definitions for initial stack pointer and data area (in DPRAM)
  */
 #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_IMMR
 #define CONFIG_SYS_INIT_RAM_END	0x2F00	/* End of used area in DPRAM	*/
 #define CONFIG_SYS_GBL_DATA_SIZE	64  /* size in bytes reserved for initial data */
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET

 /*-----------------------------------------------------------------------
  * Start addresses for the final memory configuration
  * (Set up by the startup code)
  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
  */
 #define CONFIG_SYS_SDRAM_BASE		0x00000000
 #define CONFIG_SYS_FLASH_BASE		0xf0000000
 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_FLASH_BASE
 #define CONFIG_SYS_MALLOC_LEN		(256 << 10)	/* Reserve 256 kB for malloc()	*/

 /*
  * For booting Linux, the board info and command line data
  * have to be in the first 8 MB of memory, since this is
  * the maximum mapped by the Linux kernel during initialization.
  */
 #define CONFIG_SYS_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */

 /*-----------------------------------------------------------------------
  * FLASH organization
  */
 #define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
 #define CONFIG_SYS_FLASH_SIZE		32
 #define CONFIG_SYS_FLASH_CFI
 #define CONFIG_FLASH_CFI_DRIVER
 #define CONFIG_SYS_MAX_FLASH_SECT	256	/* max num of sects on one chip */


 #define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/

 #define CONFIG_ENV_IS_IN_FLASH	1
 #define CONFIG_ENV_OFFSET		0x40000 /*   Offset   of Environment Sector	*/
 #define CONFIG_ENV_SIZE		0x08000 /* Total Size of Environment Sector	*/
 #define CONFIG_ENV_SECT_SIZE	0x20000 /* Total Size of Environment Sector	*/

 /* Address and size of Redundant Environment Sector	*/
 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
 #define CONFIG_ENV_SIZE_REDUND	(CONFIG_ENV_SIZE)

 /*-----------------------------------------------------------------------
  * Cache Configuration
  */
 #define CONFIG_SYS_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/
 #if defined(CONFIG_CMD_KGDB)
 #define CONFIG_SYS_CACHELINE_SHIFT	4	/* log base 2 of the above value	*/
 #endif

 /*-----------------------------------------------------------------------
  * SYPCR - System Protection Control				11-9
  * SYPCR can only be written once after reset!
  *-----------------------------------------------------------------------
  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
  */
 #define CONFIG_SYS_SYPCR	0xffffff89

 /*-----------------------------------------------------------------------
  * SIUMCR - SIU Module Configuration				11-6
  *-----------------------------------------------------------------------
  */
 #define CONFIG_SYS_SIUMCR	0x00610480

 /*-----------------------------------------------------------------------
  * TBSCR - Time Base Status and Control				11-26
  *-----------------------------------------------------------------------
  * Clear Reference Interrupt Status, Timebase freezing enabled
  */
 #define CONFIG_SYS_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)

 /*-----------------------------------------------------------------------
  * PISCR - Periodic Interrupt Status and Control		11-31
  *-----------------------------------------------------------------------
  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
  */
 #define CONFIG_SYS_PISCR	(PISCR_PS | PISCR_PITF)

 /*-----------------------------------------------------------------------
  * SCCR - System Clock and reset Control Register		15-27
  *-----------------------------------------------------------------------
  * Set clock output, timebase and RTC source and divider,
  * power management and some other internal clocks
  */
 #define SCCR_MASK	0x01800000
 #define CONFIG_SYS_SCCR	0x01800000

 #define CONFIG_SYS_DER 0

 /*
  * Init Memory Controller:
  *
  * BR0/1 and OR0/1 (FLASH)
  */

 #define FLASH_BASE0_PRELIM	0xf0000000	/* FLASH bank #0	*/

 /* used to re-map FLASH both when starting from SRAM or FLASH:
  * restrict access enough to keep SRAM working (if any)
  * but not too much to meddle with FLASH accesses
  */
 #define CONFIG_SYS_REMAP_OR_AM		0x80000000	/* OR addr mask */
 #define CONFIG_SYS_PRELIM_OR_AM	0xE0000000	/* OR addr mask */

 /*
  * FLASH timing: Default value of OR0 after reset
  */
 #define CONFIG_SYS_OR0_PRELIM	0xfe000954
 #define CONFIG_SYS_BR0_PRELIM	0xf0000401

 /*
  * BR1 and OR1 (SDRAM)
  *
  */
 #define SDRAM_BASE1_PRELIM	0x00000000	/* SDRAM bank #0	*/
 #define SDRAM_MAX_SIZE		(64 << 20)	/* max 64 MB per bank	*/

 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)	*/
 #define CONFIG_SYS_OR_TIMING_SDRAM	0x00000A00

 #define CONFIG_SYS_OR1_PRELIM	0xfc000800
 #define CONFIG_SYS_BR1_PRELIM	(0x000000C0 | 0x01)

 #define CONFIG_SYS_MPTPR	0x0200
 /* PTB=16, AMB=001, FIXME 1 RAS precharge cycles, 1 READ loop cycle (not used),
    1 Write loop Cycle (not used), 1 Timer Loop Cycle */
 #define CONFIG_SYS_MBMR	0x10964111
 #define CONFIG_SYS_MAR		0x00000088

 /*
  * 4096	Rows from SDRAM example configuration
  * 1000	factor s -> ms
  * 64	PTP (pre-divider from MPTPR) from SDRAM example configuration
  * 4	Number of refresh cycles per period
  * 64	Refresh cycle in ms per number of rows
  */
 #define CONFIG_SYS_PTA_PER_CLK	((4096 * 64 * 1000) / (4 * 64))

 /* GPIO/PIGGY on CS3 initialization values
 */
 #define CONFIG_SYS_PIGGY_BASE	(0x30000000)
 #define CONFIG_SYS_OR3_PRELIM	(0xfe000d24)
 #define CONFIG_SYS_BR3_PRELIM	(0x30000401)

 /*
  * Internal Definitions
  *
  * Boot Flags
  */
 #define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
 #define BOOTFLAG_WARM	0x02		/* Software reboot			*/

 #define CONFIG_SCC3_ENET
 #define CONFIG_ETHPRIME		"SCC ETHERNET"
 #define CONFIG_HAS_ETH0

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

 #define OF_STDOUT_PATH		"/soc/cpm/serial@a80"

 /* enable I2C and select the hardware/software driver */
 #undef	CONFIG_HARD_I2C			/* I2C with hardware support	*/
 #define	CONFIG_SOFT_I2C		1	/* I2C bit-banged		*/
 #define CONFIG_SYS_I2C_SPEED		50000	/* I2C speed and slave address	*/
 #define CONFIG_SYS_I2C_SLAVE		0x7F
 #define I2C_SOFT_DECLARATIONS

 /*
  * Software (bit-bang) I2C driver configuration
  */
 #define I2C_BASE_DIR	((u16 *)(CONFIG_SYS_PIGGY_BASE + 0x04))
 #define I2C_BASE_PORT	((u8 *)(CONFIG_SYS_PIGGY_BASE + 0x09))

 #define SDA_BIT		0x40
 #define SCL_BIT		0x80
 #define SDA_CONF	0x1000
 #define SCL_CONF	0x2000

 #define I2C_ACTIVE	do {} while (0)
 #define I2C_TRISTATE	do {} while (0)
 #define I2C_READ	((in_8(I2C_BASE_PORT) & SDA_BIT) == SDA_BIT)
 #define I2C_SDA(bit)	if(bit) { \
 				clrbits(be16, I2C_BASE_DIR, SDA_CONF); \
 			} else { \
 				clrbits(8, I2C_BASE_PORT, SDA_BIT); \
 				setbits(be16, I2C_BASE_DIR, SDA_CONF); \
 			}
 #define I2C_SCL(bit)	if(bit) { \
 				clrbits(be16, I2C_BASE_DIR, SCL_CONF); \
 			} else { \
 				clrbits(8, I2C_BASE_PORT, SCL_BIT); \
 				setbits(be16, I2C_BASE_DIR, SCL_CONF); \
 			}
 #define I2C_DELAY	udelay(50)	/* 1/4 I2C clock duration */

 #define CONFIG_I2C_MULTI_BUS	1
 #define CONFIG_I2C_CMD_TREE	1
 #define CONFIG_SYS_MAX_I2C_BUS		2
 #define CONFIG_SYS_I2C_INIT_BOARD	1
 #define CONFIG_I2C_MUX		1

 /* EEprom support */
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
 #define CONFIG_SYS_I2C_MULTI_EEPROMS	1
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10

 /* Support the IVM EEprom */
 #define	CONFIG_SYS_IVM_EEPROM_ADR	0x50
 #define CONFIG_SYS_IVM_EEPROM_MAX_LEN	0x400
 #define CONFIG_SYS_IVM_EEPROM_PAGE_LEN	0x100

 /* I2C SYSMON (LM75, AD7414 is almost compatible)			*/
 #define CONFIG_DTT_LM75		1	/* ON Semi's LM75		*/
 #define CONFIG_DTT_SENSORS	{0, 2, 4, 6}	/* Sensor addresses		*/
 #define CONFIG_SYS_DTT_MAX_TEMP	70
 #define CONFIG_SYS_DTT_LOW_TEMP	-30
 #define CONFIG_SYS_DTT_HYSTERESIS	3
 #define CONFIG_SYS_DTT_BUS_NUM		(CONFIG_SYS_MAX_I2C_BUS)

 #endif	/* __CONFIG_H */
	/*
	* (C) Copyright 2007
	* Heiko Schocher, DENX Software Engineering, hs@denx.de.
	*
	* See file CREDITS for list of people who contributed to this
	* project.
	*
	* 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
	*/

	/*
	* board/config.h - configuration options, board specific
	*/

	#ifndef __CONFIG_H
	#define __CONFIG_H

	/*
	* High Level Configuration Options
	* (easy to change)
	*/

	#define CONFIG_MPC866 1 /* This is a MPC866 CPU */
	#define CONFIG_MGSUVD 1 /* ...on a mgsuvd board */

	/* include common defines/options for all Keymile boards */
	#include "keymile-common.h"

	#define CONFIG_8xx_GCLK_FREQ 66000000

	#define CONFIG_SYS_SMC_UCODE_PATCH 1 /* Relocate SMC1 */
	#define CONFIG_SYS_SMC_DPMEM_OFFSET 0x1fc0
	#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */

	#define CONFIG_SYS_CPM_BOOTCOUNT_ADDR 0x1eb0 /* In case of SMC relocation, the
	* default value is not working */

	#define CONFIG_PREBOOT "echo;" \
	"echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
	"echo"

	#define CONFIG_EXTRA_ENV_SETTINGS \
	"netdev=eth0\0" \
	"addcons=setenv bootargs ${bootargs} console=ttyCPM0,${baudrate}\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" \
	"flash_nfs=run nfsargs addip;" \
	"bootm ${kernel_addr}\0" \
	"flash_self=run ramargs addip;" \
	"bootm ${kernel_addr} ${ramdisk_addr}\0" \
	"net_nfs=tftp ${kernel_addr} ${bootfile}; " \
	"tftp ${fdt_addr} ${fdt_file}; run nfsargs addip addcons;" \
	"bootm ${kernel_addr} - ${fdt_addr}\0" \
	"rootpath=/opt/eldk/ppc_8xx\0" \
	"bootfile=/tftpboot/mgsuvd/uImage\0" \
	"fdt_addr=400000\0" \
	"kernel_addr=200000\0" \
	"fdt_file=/tftpboot/mgsuvd/mgsuvd.dtb\0" \
	"load=tftp 200000 ${u-boot}\0" \
	"update=protect off f0000000 +${filesize};" \
	"erase f0000000 +${filesize};" \
	"cp.b 200000 f0000000 ${filesize};" \
	"protect on f0000000 +${filesize}\0" \
	""

	#undef CONFIG_RTC_MPC8xx /* MPC866 does not support RTC */

	#define CONFIG_TIMESTAMP /* but print image timestmps */

	/*
	* Low Level Configuration Settings
	* (address mappings, register initial values, etc.)
	* You should know what you are doing if you make changes here.
	*/
	/*-----------------------------------------------------------------------
	* Internal Memory Mapped Register
	*/
	#define CONFIG_SYS_IMMR 0xFFF00000

	/*-----------------------------------------------------------------------
	* Definitions for initial stack pointer and data area (in DPRAM)
	*/
	#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
	#define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
	#define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
	#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
	#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET

	/*-----------------------------------------------------------------------
	* Start addresses for the final memory configuration
	* (Set up by the startup code)
	* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
	*/
	#define CONFIG_SYS_SDRAM_BASE 0x00000000
	#define CONFIG_SYS_FLASH_BASE 0xf0000000
	#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
	#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
	#define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */

	/*
	* For booting Linux, the board info and command line data
	* have to be in the first 8 MB of memory, since this is
	* the maximum mapped by the Linux kernel during initialization.
	*/
	#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */

	/*-----------------------------------------------------------------------
	* FLASH organization
	*/
	#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
	#define CONFIG_SYS_FLASH_SIZE 32
	#define CONFIG_SYS_FLASH_CFI
	#define CONFIG_FLASH_CFI_DRIVER
	#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max num of sects on one chip */


	#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
	#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */

	#define CONFIG_ENV_IS_IN_FLASH 1
	#define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
	#define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment Sector */
	#define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */

	/* Address and size of Redundant Environment Sector */
	#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
	#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)

	/*-----------------------------------------------------------------------
	* Cache Configuration
	*/
	#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
	#if defined(CONFIG_CMD_KGDB)
	#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
	#endif

	/*-----------------------------------------------------------------------
	* SYPCR - System Protection Control 11-9
	* SYPCR can only be written once after reset!
	*-----------------------------------------------------------------------
	* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
	*/
	#define CONFIG_SYS_SYPCR 0xffffff89

	/*-----------------------------------------------------------------------
	* SIUMCR - SIU Module Configuration 11-6
	*-----------------------------------------------------------------------
	*/
	#define CONFIG_SYS_SIUMCR 0x00610480

	/*-----------------------------------------------------------------------
	* TBSCR - Time Base Status and Control 11-26
	*-----------------------------------------------------------------------
	* Clear Reference Interrupt Status, Timebase freezing enabled
	*/
	#define CONFIG_SYS_TBSCR (TBSCR_REFA \| TBSCR_REFB \| TBSCR_TBF)

	/*-----------------------------------------------------------------------
	* PISCR - Periodic Interrupt Status and Control 11-31
	*-----------------------------------------------------------------------
	* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
	*/
	#define CONFIG_SYS_PISCR (PISCR_PS \| PISCR_PITF)

	/*-----------------------------------------------------------------------
	* SCCR - System Clock and reset Control Register 15-27
	*-----------------------------------------------------------------------
	* Set clock output, timebase and RTC source and divider,
	* power management and some other internal clocks
	*/
	#define SCCR_MASK 0x01800000
	#define CONFIG_SYS_SCCR 0x01800000

	#define CONFIG_SYS_DER 0

	/*
	* Init Memory Controller:
	*
	* BR0/1 and OR0/1 (FLASH)
	*/

	#define FLASH_BASE0_PRELIM 0xf0000000 /* FLASH bank #0 */

	/* used to re-map FLASH both when starting from SRAM or FLASH:
	* restrict access enough to keep SRAM working (if any)
	* but not too much to meddle with FLASH accesses
	*/
	#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
	#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */

	/*
	* FLASH timing: Default value of OR0 after reset
	*/
	#define CONFIG_SYS_OR0_PRELIM 0xfe000954
	#define CONFIG_SYS_BR0_PRELIM 0xf0000401

	/*
	* BR1 and OR1 (SDRAM)
	*
	*/
	#define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */
	#define SDRAM_MAX_SIZE (64 << 20) /* max 64 MB per bank */

	/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
	#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00

	#define CONFIG_SYS_OR1_PRELIM 0xfc000800
	#define CONFIG_SYS_BR1_PRELIM (0x000000C0 \| 0x01)

	#define CONFIG_SYS_MPTPR 0x0200
	/* PTB=16, AMB=001, FIXME 1 RAS precharge cycles, 1 READ loop cycle (not used),
	1 Write loop Cycle (not used), 1 Timer Loop Cycle */
	#define CONFIG_SYS_MBMR 0x10964111
	#define CONFIG_SYS_MAR 0x00000088

	/*
	* 4096 Rows from SDRAM example configuration
	* 1000 factor s -> ms
	* 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
	* 4 Number of refresh cycles per period
	* 64 Refresh cycle in ms per number of rows
	*/
	#define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))

	/* GPIO/PIGGY on CS3 initialization values
	*/
	#define CONFIG_SYS_PIGGY_BASE (0x30000000)
	#define CONFIG_SYS_OR3_PRELIM (0xfe000d24)
	#define CONFIG_SYS_BR3_PRELIM (0x30000401)

	/*
	* Internal Definitions
	*
	* Boot Flags
	*/
	#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
	#define BOOTFLAG_WARM 0x02 /* Software reboot */

	#define CONFIG_SCC3_ENET
	#define CONFIG_ETHPRIME "SCC ETHERNET"
	#define CONFIG_HAS_ETH0

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

	#define OF_STDOUT_PATH "/soc/cpm/serial@a80"

	/* enable I2C and select the hardware/software driver */
	#undef CONFIG_HARD_I2C /* I2C with hardware support */
	#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
	#define CONFIG_SYS_I2C_SPEED 50000 /* I2C speed and slave address */
	#define CONFIG_SYS_I2C_SLAVE 0x7F
	#define I2C_SOFT_DECLARATIONS

	/*
	* Software (bit-bang) I2C driver configuration
	*/
	#define I2C_BASE_DIR ((u16 *)(CONFIG_SYS_PIGGY_BASE + 0x04))
	#define I2C_BASE_PORT ((u8 *)(CONFIG_SYS_PIGGY_BASE + 0x09))

	#define SDA_BIT 0x40
	#define SCL_BIT 0x80
	#define SDA_CONF 0x1000
	#define SCL_CONF 0x2000

	#define I2C_ACTIVE do {} while (0)
	#define I2C_TRISTATE do {} while (0)
	#define I2C_READ ((in_8(I2C_BASE_PORT) & SDA_BIT) == SDA_BIT)
	#define I2C_SDA(bit) if(bit) { \
	clrbits(be16, I2C_BASE_DIR, SDA_CONF); \
	} else { \
	clrbits(8, I2C_BASE_PORT, SDA_BIT); \
	setbits(be16, I2C_BASE_DIR, SDA_CONF); \
	}
	#define I2C_SCL(bit) if(bit) { \
	clrbits(be16, I2C_BASE_DIR, SCL_CONF); \
	} else { \
	clrbits(8, I2C_BASE_PORT, SCL_BIT); \
	setbits(be16, I2C_BASE_DIR, SCL_CONF); \
	}
	#define I2C_DELAY udelay(50) /* 1/4 I2C clock duration */

	#define CONFIG_I2C_MULTI_BUS 1
	#define CONFIG_I2C_CMD_TREE 1
	#define CONFIG_SYS_MAX_I2C_BUS 2
	#define CONFIG_SYS_I2C_INIT_BOARD 1
	#define CONFIG_I2C_MUX 1

	/* EEprom support */
	#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
	#define CONFIG_SYS_I2C_MULTI_EEPROMS 1
	#define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
	#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
	#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10

	/* Support the IVM EEprom */
	#define CONFIG_SYS_IVM_EEPROM_ADR 0x50
	#define CONFIG_SYS_IVM_EEPROM_MAX_LEN 0x400
	#define CONFIG_SYS_IVM_EEPROM_PAGE_LEN 0x100

	/* I2C SYSMON (LM75, AD7414 is almost compatible) */
	#define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */
	#define CONFIG_DTT_SENSORS {0, 2, 4, 6} /* Sensor addresses */
	#define CONFIG_SYS_DTT_MAX_TEMP 70
	#define CONFIG_SYS_DTT_LOW_TEMP -30
	#define CONFIG_SYS_DTT_HYSTERESIS 3
	#define CONFIG_SYS_DTT_BUS_NUM (CONFIG_SYS_MAX_I2C_BUS)

	#endif /* __CONFIG_H */