[people/ms/u-boot.git] / include / configs / TQM850M.h

/*
 * (C) Copyright 2000-2008
 * Wolfgang Denk, DENX Software Engineering, wd@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_MPC850		1	/* This is a MPC850 CPU		*/
#define CONFIG_TQM850M		1	/* ...on a TQM8xxM module	*/

#define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
#undef	CONFIG_8xx_CONS_SMC2
#undef	CONFIG_8xx_CONS_NONE
#define CONFIG_BAUDRATE		115200	/* console baudrate = 115kbps	*/

#define	CONFIG_BOOTCOUNT_LIMIT

#define CONFIG_BOARD_TYPES	1	/* support board types		*/

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

#undef	CONFIG_BOOTARGS

#define	CONFIG_EXTRA_ENV_SETTINGS					\
	"netdev=eth0\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 200000 ${bootfile};run nfsargs addip;bootm\0"	\
	"rootpath=/opt/eldk/ppc_8xx\0"					\
	"hostname=TQM850M\0"						\
	"bootfile=TQM850M/uImage\0"					\
	"fdt_addr=40080000\0"						\
	"kernel_addr=400A0000\0"					\
	"ramdisk_addr=40280000\0"					\
	"u-boot=TQM850M/u-image.bin\0"					\
	"load=tftp 200000 ${u-boot}\0"					\
	"update=prot off 40000000 +${filesize};"			\
		"era 40000000 +${filesize};"				\
		"cp.b 200000 40000000 ${filesize};"			\
		"sete filesize;save\0"					\
	""
#define CONFIG_BOOTCOMMAND	"run flash_self"

#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
#undef	CONFIG_SYS_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/

#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/

#define	CONFIG_STATUS_LED	1	/* Status LED enabled		*/

#undef	CONFIG_CAN_DRIVER		/* CAN Driver support disabled	*/

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


#define CONFIG_MAC_PARTITION
#define CONFIG_DOS_PARTITION

#define	CONFIG_RTC_MPC8xx		/* use internal RTC of MPC8xx	*/

/*
 * Command line configuration.
 */
#include <config_cmd_default.h>

#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_DATE
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_ELF
#define CONFIG_CMD_IDE
#define CONFIG_CMD_JFFS2
#define CONFIG_CMD_NFS
#define CONFIG_CMD_SNTP


#define CONFIG_NETCONSOLE


/*
 * Miscellaneous configurable options
 */
#define	CONFIG_SYS_LONGHELP			/* undef to save memory		*/
#define	CONFIG_SYS_PROMPT		"=> "	/* Monitor Command Prompt	*/

#define CONFIG_CMDLINE_EDITING	1	/* add command line history	*/
#define CONFIG_SYS_HUSH_PARSER		1	/* Use the HUSH parser		*/
#ifdef	CONFIG_SYS_HUSH_PARSER
#define	CONFIG_SYS_PROMPT_HUSH_PS2	"> "
#endif

#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	*/

#define CONFIG_SYS_MEMTEST_START	0x0400000	/* memtest works on	*/
#define CONFIG_SYS_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/

#define	CONFIG_SYS_LOAD_ADDR		0x100000	/* default load address	*/

#define	CONFIG_SYS_HZ			1000	/* decrementer freq: 1 ms ticks	*/

#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }

/*
 * 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		0x40000000
#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		(128 << 10)	/* Reserve 128 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
 */

/* use CFI flash driver */
#define CONFIG_SYS_FLASH_CFI		1	/* Flash is CFI conformant */
#define CONFIG_FLASH_CFI_DRIVER	1	/* Use the common driver */
#define CONFIG_SYS_FLASH_BANKS_LIST	{ CONFIG_SYS_FLASH_BASE }
#define CONFIG_SYS_FLASH_EMPTY_INFO
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1
#define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks */
#define CONFIG_SYS_MAX_FLASH_SECT	256	/* max number of sectors on one chip */

#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		*/
#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)

#define	CONFIG_SYS_USE_PPCENV			/* Environment embedded in sect .ppcenv */

#define CONFIG_MISC_INIT_R		/* Make sure to remap flashes correctly */

/*-----------------------------------------------------------------------
 * Dynamic MTD partition support
 */
#define CONFIG_JFFS2_CMDLINE
#define MTDIDS_DEFAULT		"nor0=TQM8xxM-0"

#define MTDPARTS_DEFAULT	"mtdparts=TQM8xxM-0:512k(u-boot),"	\
						"128k(dtb),"		\
						"1920k(kernel),"	\
						"5632(rootfs),"		\
						"4m(data)"

/*-----------------------------------------------------------------------
 * Hardware Information Block
 */
#define CONFIG_SYS_HWINFO_OFFSET	0x0003FFC0	/* offset of HW Info block */
#define CONFIG_SYS_HWINFO_SIZE		0x00000040	/* size   of HW Info block */
#define CONFIG_SYS_HWINFO_MAGIC	0x54514D38	/* 'TQM8' */

/*-----------------------------------------------------------------------
 * 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
 */
#if defined(CONFIG_WATCHDOG)
#define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
#else
#define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
#endif

/*-----------------------------------------------------------------------
 * SIUMCR - SIU Module Configuration				11-6
 *-----------------------------------------------------------------------
 * PCMCIA config., multi-function pin tri-state
 */
#ifndef	CONFIG_CAN_DRIVER
#define CONFIG_SYS_SIUMCR	(SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
#else	/* we must activate GPL5 in the SIUMCR for CAN */
#define CONFIG_SYS_SIUMCR	(SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
#endif	/* CONFIG_CAN_DRIVER */

/*-----------------------------------------------------------------------
 * 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)

/*-----------------------------------------------------------------------
 * RTCSC - Real-Time Clock Status and Control Register		11-27
 *-----------------------------------------------------------------------
 */
#define CONFIG_SYS_RTCSC	(RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)

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

/*-----------------------------------------------------------------------
 * PLPRCR - PLL, Low-Power, and Reset Control Register		15-30
 *-----------------------------------------------------------------------
 * Reset PLL lock status sticky bit, timer expired status bit and timer
 * interrupt status bit
 */
#define CONFIG_SYS_PLPRCR	(PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)

/*-----------------------------------------------------------------------
 * 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	SCCR_EBDF11
#define CONFIG_SYS_SCCR	(SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
			 SCCR_DFALCD00)

/*-----------------------------------------------------------------------
 * PCMCIA stuff
 *-----------------------------------------------------------------------
 *
 */
#define CONFIG_SYS_PCMCIA_MEM_ADDR	(0xE0000000)
#define CONFIG_SYS_PCMCIA_MEM_SIZE	( 64 << 20 )
#define CONFIG_SYS_PCMCIA_DMA_ADDR	(0xE4000000)
#define CONFIG_SYS_PCMCIA_DMA_SIZE	( 64 << 20 )
#define CONFIG_SYS_PCMCIA_ATTRB_ADDR	(0xE8000000)
#define CONFIG_SYS_PCMCIA_ATTRB_SIZE	( 64 << 20 )
#define CONFIG_SYS_PCMCIA_IO_ADDR	(0xEC000000)
#define CONFIG_SYS_PCMCIA_IO_SIZE	( 64 << 20 )

/*-----------------------------------------------------------------------
 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
 *-----------------------------------------------------------------------
 */

#define	CONFIG_IDE_8xx_PCCARD	1	/* Use IDE with PC Card	Adapter	*/

#undef	CONFIG_IDE_8xx_DIRECT		/* Direct IDE    not supported	*/
#undef	CONFIG_IDE_LED			/* LED   for ide not supported	*/
#undef	CONFIG_IDE_RESET		/* reset for ide not supported	*/

#define CONFIG_SYS_IDE_MAXBUS		1	/* max. 1 IDE bus		*/
#define CONFIG_SYS_IDE_MAXDEVICE	1	/* max. 1 drive per IDE bus	*/

#define CONFIG_SYS_ATA_IDE0_OFFSET	0x0000

#define CONFIG_SYS_ATA_BASE_ADDR	CONFIG_SYS_PCMCIA_MEM_ADDR

/* Offset for data I/O			*/
#define CONFIG_SYS_ATA_DATA_OFFSET	(CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)

/* Offset for normal register accesses	*/
#define CONFIG_SYS_ATA_REG_OFFSET	(2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)

/* Offset for alternate registers	*/
#define CONFIG_SYS_ATA_ALT_OFFSET	0x0100

/*-----------------------------------------------------------------------
 *
 *-----------------------------------------------------------------------
 *
 */
#define CONFIG_SYS_DER	0

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

#define FLASH_BASE0_PRELIM	0x40000000	/* FLASH bank #0	*/
#define FLASH_BASE1_PRELIM	0x60000000	/* 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:
 */
#define CONFIG_SYS_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
				 OR_SCY_3_CLK | OR_EHTR | OR_BI)

#define CONFIG_SYS_OR0_REMAP	(CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)
#define CONFIG_SYS_OR0_PRELIM	(CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
#define CONFIG_SYS_BR0_PRELIM	((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )

#define CONFIG_SYS_OR1_REMAP	CONFIG_SYS_OR0_REMAP
#define CONFIG_SYS_OR1_PRELIM	CONFIG_SYS_OR0_PRELIM
#define CONFIG_SYS_BR1_PRELIM	((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )

/*
 * BR2/3 and OR2/3 (SDRAM)
 *
 */
#define SDRAM_BASE2_PRELIM	0x00000000	/* SDRAM bank #0	*/
#define SDRAM_BASE3_PRELIM	0x20000000	/* SDRAM bank #1	*/
#define	SDRAM_MAX_SIZE		0x04000000	/* 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_OR2_PRELIM	(CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
#define CONFIG_SYS_BR2_PRELIM	((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )

#ifndef	CONFIG_CAN_DRIVER
#define	CONFIG_SYS_OR3_PRELIM	CONFIG_SYS_OR2_PRELIM
#define CONFIG_SYS_BR3_PRELIM	((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
#else	/* CAN uses CS3#, so we can have only one SDRAM bank anyway */
#define	CONFIG_SYS_CAN_BASE		0xC0000000	/* CAN mapped at 0xC0000000	*/
#define CONFIG_SYS_CAN_OR_AM		0xFFFF8000	/* 32 kB address mask		*/
#define CONFIG_SYS_OR3_CAN		(CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
#define CONFIG_SYS_BR3_CAN		((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
					BR_PS_8 | BR_MS_UPMB | BR_V )
#endif	/* CONFIG_CAN_DRIVER */

/*
 * Memory Periodic Timer Prescaler
 *
 * The Divider for PTA (refresh timer) configuration is based on an
 * example SDRAM configuration (64 MBit, one bank). The adjustment to
 * the number of chip selects (NCS) and the actually needed refresh
 * rate is done by setting MPTPR.
 *
 * PTA is calculated from
 *	PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
 *
 *	gclk	  CPU clock (not bus clock!)
 *	Trefresh  Refresh cycle * 4 (four word bursts used)
 *
 * 4096  Rows from SDRAM example configuration
 * 1000  factor s -> ms
 *   32  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
 * --------------------------------------------
 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
 *
 * 50 MHz => 50.000.000 / Divider =  98
 * 66 Mhz => 66.000.000 / Divider = 129
 * 80 Mhz => 80.000.000 / Divider = 156
 */

#define CONFIG_SYS_PTA_PER_CLK	((4096 * 32 * 1000) / (4 * 64))
#define CONFIG_SYS_MAMR_PTA	98

/*
 * For 16 MBit, refresh rates could be 31.3 us
 * (= 64 ms / 2K = 125 / quad bursts).
 * For a simpler initialization, 15.6 us is used instead.
 *
 * #define CONFIG_SYS_MPTPR_2BK_2K	MPTPR_PTP_DIV32		for 2 banks
 * #define CONFIG_SYS_MPTPR_1BK_2K	MPTPR_PTP_DIV64		for 1 bank
 */
#define CONFIG_SYS_MPTPR_2BK_4K	MPTPR_PTP_DIV16		/* setting for 2 banks	*/
#define CONFIG_SYS_MPTPR_1BK_4K	MPTPR_PTP_DIV32		/* setting for 1 bank	*/

/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit		*/
#define CONFIG_SYS_MPTPR_2BK_8K	MPTPR_PTP_DIV8		/* setting for 2 banks	*/
#define CONFIG_SYS_MPTPR_1BK_8K	MPTPR_PTP_DIV16		/* setting for 1 bank	*/

/*
 * MAMR settings for SDRAM
 */

/* 8 column SDRAM */
#define CONFIG_SYS_MAMR_8COL	((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
			 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |	\
			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)
/* 9 column SDRAM */
#define CONFIG_SYS_MAMR_9COL	((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
			 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |	\
			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)


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

#endif	/* __CONFIG_H */
Commit	Line	Data
f12e568c	1	/*
29f8f58f	2	* (C) Copyright 2000-2008
f12e568c WD	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	/*
	25	* board/config.h - configuration options, board specific
	26	*/
	27
	28	#ifndef __CONFIG_H
	29	#define __CONFIG_H
	30
	31	/*
	32	* High Level Configuration Options
	33	* (easy to change)
	34	*/
	35
	36	#define CONFIG_MPC850 1 /* This is a MPC850 CPU */
	37	#define CONFIG_TQM850M 1 /* ...on a TQM8xxM module */
	38
	39	#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
	40	#undef CONFIG_8xx_CONS_SMC2
	41	#undef CONFIG_8xx_CONS_NONE
	42	#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
f12e568c	43
ae3af05e	44	#define CONFIG_BOOTCOUNT_LIMIT
f12e568c WD	45
	46	#define CONFIG_BOARD_TYPES 1 /* support board types */
	47
32bf3d14	48	#define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
f12e568c WD	49
	50	#undef CONFIG_BOOTARGS
	51
	52	#define CONFIG_EXTRA_ENV_SETTINGS \
	53	"netdev=eth0\0" \
	54	"nfsargs=setenv bootargs root=/dev/nfs rw " \
fe126d8b	55	"nfsroot=${serverip}:${rootpath}\0" \
f12e568c	56	"ramargs=setenv bootargs root=/dev/ram rw\0" \
fe126d8b WD	57	"addip=setenv bootargs ${bootargs} " \
	58	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
	59	":${hostname}:${netdev}:off panic=1\0" \
f12e568c	60	"flash_nfs=run nfsargs addip;" \
fe126d8b	61	"bootm ${kernel_addr}\0" \
f12e568c	62	"flash_self=run ramargs addip;" \
fe126d8b WD	63	"bootm ${kernel_addr} ${ramdisk_addr}\0" \
fe126d8b WD	64	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
f12e568c	65	"rootpath=/opt/eldk/ppc_8xx\0" \
29f8f58f WD	66	"hostname=TQM850M\0" \
29f8f58f WD	67	"bootfile=TQM850M/uImage\0" \
eb6da805 WD	68	"fdt_addr=40080000\0" \
	69	"kernel_addr=400A0000\0" \
	70	"ramdisk_addr=40280000\0" \
29f8f58f WD	71	"u-boot=TQM850M/u-image.bin\0" \
	72	"load=tftp 200000 ${u-boot}\0" \
	73	"update=prot off 40000000 +${filesize};" \
	74	"era 40000000 +${filesize};" \
	75	"cp.b 200000 40000000 ${filesize};" \
	76	"sete filesize;save\0" \
f12e568c WD	77	""
	78	#define CONFIG_BOOTCOMMAND "run flash_self"
	79
	80	#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
6d0f6bcf	81	#undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
f12e568c WD	82
	83	#undef CONFIG_WATCHDOG /* watchdog disabled */
	84
	85	#define CONFIG_STATUS_LED 1 /* Status LED enabled */
	86
	87	#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
	88
37d4bb70 JL	89	/*
	90	* BOOTP options
	91	*/
	92	#define CONFIG_BOOTP_SUBNETMASK
	93	#define CONFIG_BOOTP_GATEWAY
	94	#define CONFIG_BOOTP_HOSTNAME
	95	#define CONFIG_BOOTP_BOOTPATH
	96	#define CONFIG_BOOTP_BOOTFILESIZE
	97
f12e568c WD	98
	99	#define CONFIG_MAC_PARTITION
	100	#define CONFIG_DOS_PARTITION
	101
	102	#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
	103
2694690e JL	104	/*
	105	* Command line configuration.
	106	*/
	107	#include <config_cmd_default.h>
	108
	109	#define CONFIG_CMD_ASKENV
	110	#define CONFIG_CMD_DATE
	111	#define CONFIG_CMD_DHCP
29f8f58f	112	#define CONFIG_CMD_ELF
2694690e	113	#define CONFIG_CMD_IDE
29f8f58f	114	#define CONFIG_CMD_JFFS2
2694690e JL	115	#define CONFIG_CMD_NFS
2694690e JL	116	#define CONFIG_CMD_SNTP
f12e568c	117
f12e568c	118
29f8f58f WD	119	#define CONFIG_NETCONSOLE
	120
	121
f12e568c WD	122	/*
	123	* Miscellaneous configurable options
	124	*/
6d0f6bcf JCPV	125	#define CONFIG_SYS_LONGHELP /* undef to save memory */
6d0f6bcf JCPV	126	#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
f12e568c	127
2751a95a	128	#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
6d0f6bcf JCPV	129	#define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
	130	#ifdef CONFIG_SYS_HUSH_PARSER
	131	#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
f12e568c WD	132	#endif
f12e568c WD	133
2694690e	134	#if defined(CONFIG_CMD_KGDB)
6d0f6bcf	135	#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
f12e568c	136	#else
6d0f6bcf	137	#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
f12e568c	138	#endif
6d0f6bcf JCPV	139	#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
	140	#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
	141	#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
f12e568c	142
6d0f6bcf JCPV	143	#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
6d0f6bcf JCPV	144	#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
f12e568c	145
6d0f6bcf	146	#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
f12e568c	147
6d0f6bcf	148	#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
f12e568c	149
6d0f6bcf	150	#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
f12e568c WD	151
	152	/*
	153	* Low Level Configuration Settings
	154	* (address mappings, register initial values, etc.)
	155	* You should know what you are doing if you make changes here.
	156	*/
	157	/*-----------------------------------------------------------------------
	158	* Internal Memory Mapped Register
	159	*/
6d0f6bcf	160	#define CONFIG_SYS_IMMR 0xFFF00000
f12e568c WD	161
	162	/*-----------------------------------------------------------------------
	163	* Definitions for initial stack pointer and data area (in DPRAM)
	164	*/
6d0f6bcf JCPV	165	#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
	166	#define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
	167	#define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
	168	#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
	169	#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
f12e568c WD	170
	171	/*-----------------------------------------------------------------------
	172	* Start addresses for the final memory configuration
	173	* (Set up by the startup code)
6d0f6bcf	174	* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
f12e568c	175	*/
6d0f6bcf JCPV	176	#define CONFIG_SYS_SDRAM_BASE 0x00000000
	177	#define CONFIG_SYS_FLASH_BASE 0x40000000
	178	#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
	179	#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
	180	#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
f12e568c WD	181
	182	/*
	183	* For booting Linux, the board info and command line data
	184	* have to be in the first 8 MB of memory, since this is
	185	* the maximum mapped by the Linux kernel during initialization.
	186	*/
6d0f6bcf	187	#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
f12e568c WD	188
	189	/*-----------------------------------------------------------------------
	190	* FLASH organization
	191	*/
f12e568c	192
e318d9e9	193	/* use CFI flash driver */
6d0f6bcf	194	#define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
00b1883a	195	#define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
6d0f6bcf JCPV	196	#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
	197	#define CONFIG_SYS_FLASH_EMPTY_INFO
	198	#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
	199	#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
	200	#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
f12e568c	201
5a1aceb0	202	#define CONFIG_ENV_IS_IN_FLASH 1
0e8d1586 JCPV	203	#define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
	204	#define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
	205	#define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
f12e568c WD	206
f12e568c WD	207	/* Address and size of Redundant Environment Sector */
0e8d1586 JCPV	208	#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
0e8d1586 JCPV	209	#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
f12e568c	210
6d0f6bcf	211	#define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
67c31036	212
7c803be2 WD	213	#define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
7c803be2 WD	214
29f8f58f WD	215	/*-----------------------------------------------------------------------
	216	* Dynamic MTD partition support
	217	*/
	218	#define CONFIG_JFFS2_CMDLINE
	219	#define MTDIDS_DEFAULT "nor0=TQM8xxM-0"
	220
	221	#define MTDPARTS_DEFAULT "mtdparts=TQM8xxM-0:512k(u-boot)," \
	222	"128k(dtb)," \
	223	"1920k(kernel)," \
	224	"5632(rootfs)," \
cd82919e	225	"4m(data)"
29f8f58f	226
f12e568c WD	227	/*-----------------------------------------------------------------------
	228	* Hardware Information Block
	229	*/
6d0f6bcf JCPV	230	#define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
	231	#define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
	232	#define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
f12e568c WD	233
	234	/*-----------------------------------------------------------------------
	235	* Cache Configuration
	236	*/
6d0f6bcf	237	#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
2694690e	238	#if defined(CONFIG_CMD_KGDB)
6d0f6bcf	239	#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
f12e568c WD	240	#endif
	241
	242	/*-----------------------------------------------------------------------
	243	* SYPCR - System Protection Control 11-9
	244	* SYPCR can only be written once after reset!
	245	*-----------------------------------------------------------------------
	246	* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
	247	*/
	248	#if defined(CONFIG_WATCHDOG)
6d0f6bcf	249	#define CONFIG_SYS_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| \
f12e568c WD	250	SYPCR_SWE \| SYPCR_SWRI\| SYPCR_SWP)
f12e568c WD	251	#else
6d0f6bcf	252	#define CONFIG_SYS_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| SYPCR_SWP)
f12e568c WD	253	#endif
	254
	255	/*-----------------------------------------------------------------------
	256	* SIUMCR - SIU Module Configuration 11-6
	257	*-----------------------------------------------------------------------
	258	* PCMCIA config., multi-function pin tri-state
	259	*/
	260	#ifndef CONFIG_CAN_DRIVER
6d0f6bcf	261	#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 \| SIUMCR_DBPC00 \| SIUMCR_MLRC01)
f12e568c	262	#else /* we must activate GPL5 in the SIUMCR for CAN */
6d0f6bcf	263	#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 \| SIUMCR_DBPC00 \| SIUMCR_MLRC01)
f12e568c WD	264	#endif /* CONFIG_CAN_DRIVER */
	265
	266	/*-----------------------------------------------------------------------
	267	* TBSCR - Time Base Status and Control 11-26
	268	*-----------------------------------------------------------------------
	269	* Clear Reference Interrupt Status, Timebase freezing enabled
	270	*/
6d0f6bcf	271	#define CONFIG_SYS_TBSCR (TBSCR_REFA \| TBSCR_REFB \| TBSCR_TBF)
f12e568c WD	272
	273	/*-----------------------------------------------------------------------
	274	* RTCSC - Real-Time Clock Status and Control Register 11-27
	275	*-----------------------------------------------------------------------
	276	*/
6d0f6bcf	277	#define CONFIG_SYS_RTCSC (RTCSC_SEC \| RTCSC_ALR \| RTCSC_RTF\| RTCSC_RTE)
f12e568c WD	278
	279	/*-----------------------------------------------------------------------
	280	* PISCR - Periodic Interrupt Status and Control 11-31
	281	*-----------------------------------------------------------------------
	282	* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
	283	*/
6d0f6bcf	284	#define CONFIG_SYS_PISCR (PISCR_PS \| PISCR_PITF)
f12e568c WD	285
	286	/*-----------------------------------------------------------------------
	287	* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
	288	*-----------------------------------------------------------------------
	289	* Reset PLL lock status sticky bit, timer expired status bit and timer
	290	* interrupt status bit
f12e568c	291	*/
6d0f6bcf	292	#define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS \| PLPRCR_TEXPS \| PLPRCR_TMIST)
f12e568c WD	293
	294	/*-----------------------------------------------------------------------
	295	* SCCR - System Clock and reset Control Register 15-27
	296	*-----------------------------------------------------------------------
	297	* Set clock output, timebase and RTC source and divider,
	298	* power management and some other internal clocks
	299	*/
	300	#define SCCR_MASK SCCR_EBDF11
6d0f6bcf	301	#define CONFIG_SYS_SCCR (SCCR_COM00 \| SCCR_DFSYNC00 \| SCCR_DFBRG00 \| \
f12e568c WD	302	SCCR_DFNL000 \| SCCR_DFNH000 \| SCCR_DFLCD000 \| \
f12e568c WD	303	SCCR_DFALCD00)
f12e568c WD	304
	305	/*-----------------------------------------------------------------------
	306	* PCMCIA stuff
	307	*-----------------------------------------------------------------------
	308	*
	309	*/
6d0f6bcf JCPV	310	#define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
	311	#define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
	312	#define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
	313	#define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
	314	#define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
	315	#define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
	316	#define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
	317	#define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
f12e568c WD	318
	319	/*-----------------------------------------------------------------------
	320	* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
	321	*-----------------------------------------------------------------------
	322	*/
	323
	324	#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
	325
	326	#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
	327	#undef CONFIG_IDE_LED /* LED for ide not supported */
	328	#undef CONFIG_IDE_RESET /* reset for ide not supported */
	329
6d0f6bcf JCPV	330	#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
6d0f6bcf JCPV	331	#define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
f12e568c	332
6d0f6bcf	333	#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
f12e568c	334
6d0f6bcf	335	#define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
f12e568c WD	336
f12e568c WD	337	/* Offset for data I/O */
6d0f6bcf	338	#define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
f12e568c WD	339
f12e568c WD	340	/* Offset for normal register accesses */
6d0f6bcf	341	#define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
f12e568c WD	342
f12e568c WD	343	/* Offset for alternate registers */
6d0f6bcf	344	#define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
f12e568c WD	345
	346	/*-----------------------------------------------------------------------
	347	*
	348	*-----------------------------------------------------------------------
	349	*
	350	*/
6d0f6bcf	351	#define CONFIG_SYS_DER 0
f12e568c WD	352
	353	/*
	354	* Init Memory Controller:
	355	*
	356	* BR0/1 and OR0/1 (FLASH)
	357	*/
	358
	359	#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
	360	#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
	361
	362	/* used to re-map FLASH both when starting from SRAM or FLASH:
	363	* restrict access enough to keep SRAM working (if any)
	364	* but not too much to meddle with FLASH accesses
	365	*/
6d0f6bcf JCPV	366	#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
6d0f6bcf JCPV	367	#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
f12e568c WD	368
	369	/*
	370	* FLASH timing:
	371	*/
6d0f6bcf	372	#define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 \| OR_TRLX \| OR_CSNT_SAM \| \
f12e568c	373	OR_SCY_3_CLK \| OR_EHTR \| OR_BI)
f12e568c	374
6d0f6bcf JCPV	375	#define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM \| CONFIG_SYS_OR_TIMING_FLASH)
	376	#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM \| CONFIG_SYS_OR_TIMING_FLASH)
	377	#define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) \| BR_V )
f12e568c	378
6d0f6bcf JCPV	379	#define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
	380	#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
	381	#define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) \| BR_V )
f12e568c WD	382
	383	/*
	384	* BR2/3 and OR2/3 (SDRAM)
	385	*
	386	*/
	387	#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
	388	#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
	389	#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
	390
	391	/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
6d0f6bcf	392	#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
f12e568c	393
6d0f6bcf JCPV	394	#define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM \| CONFIG_SYS_OR_TIMING_SDRAM )
6d0f6bcf JCPV	395	#define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) \| BR_MS_UPMA \| BR_V )
f12e568c WD	396
f12e568c WD	397	#ifndef CONFIG_CAN_DRIVER
6d0f6bcf JCPV	398	#define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
6d0f6bcf JCPV	399	#define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) \| BR_MS_UPMA \| BR_V )
f12e568c	400	#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
6d0f6bcf JCPV	401	#define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
	402	#define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
	403	#define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM \| OR_G5LA \| OR_BI)
	404	#define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) \| \
f12e568c WD	405	BR_PS_8 \| BR_MS_UPMB \| BR_V )
	406	#endif /* CONFIG_CAN_DRIVER */
	407
	408	/*
	409	* Memory Periodic Timer Prescaler
	410	*
	411	* The Divider for PTA (refresh timer) configuration is based on an
	412	* example SDRAM configuration (64 MBit, one bank). The adjustment to
	413	* the number of chip selects (NCS) and the actually needed refresh
	414	* rate is done by setting MPTPR.
	415	*
	416	* PTA is calculated from
	417	* PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
	418	*
	419	* gclk CPU clock (not bus clock!)
	420	* Trefresh Refresh cycle * 4 (four word bursts used)
	421	*
	422	* 4096 Rows from SDRAM example configuration
	423	* 1000 factor s -> ms
	424	* 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
	425	* 4 Number of refresh cycles per period
	426	* 64 Refresh cycle in ms per number of rows
	427	* --------------------------------------------
	428	* Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
	429	*
	430	* 50 MHz => 50.000.000 / Divider = 98
	431	* 66 Mhz => 66.000.000 / Divider = 129
	432	* 80 Mhz => 80.000.000 / Divider = 156
	433	*/
e9132ea9	434
6d0f6bcf JCPV	435	#define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
6d0f6bcf JCPV	436	#define CONFIG_SYS_MAMR_PTA 98
f12e568c WD	437
	438	/*
	439	* For 16 MBit, refresh rates could be 31.3 us
	440	* (= 64 ms / 2K = 125 / quad bursts).
	441	* For a simpler initialization, 15.6 us is used instead.
	442	*
6d0f6bcf JCPV	443	* #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
6d0f6bcf JCPV	444	* #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
f12e568c	445	*/
6d0f6bcf JCPV	446	#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
6d0f6bcf JCPV	447	#define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
f12e568c WD	448
f12e568c WD	449	/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
6d0f6bcf JCPV	450	#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
6d0f6bcf JCPV	451	#define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
f12e568c WD	452
	453	/*
	454	* MAMR settings for SDRAM
	455	*/
	456
	457	/* 8 column SDRAM */
6d0f6bcf	458	#define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
f12e568c WD	459	MAMR_AMA_TYPE_0 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A11 \| \
	460	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
	461	/* 9 column SDRAM */
6d0f6bcf	462	#define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
f12e568c WD	463	MAMR_AMA_TYPE_1 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A10 \| \
	464	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
	465
	466
	467	/*
	468	* Internal Definitions
	469	*
	470	* Boot Flags
	471	*/
	472	#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
	473	#define BOOTFLAG_WARM 0x02 /* Software reboot */
	474
	475	#endif /* __CONFIG_H */