[people/ms/u-boot.git] / include / configs / TQM823L.h

/*
 * (C) Copyright 2000, 2001, 2002
 * 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_MPC823		1	/* This is a MPC823 CPU		*/
#define CONFIG_TQM823L		1	/* ...on a TQM8xxL module	*/

#ifdef	CONFIG_LCD			/* with LCD controller ?	*/
/* #define CONFIG_NEC_NL6648BC20 1 / * use NEC NL6648BC20 display	*/
#endif

#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	*/
#if 0
#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
#else
#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
#endif

#define	CONFIG_CLOCKS_IN_MHZ	1	/* clocks passsed to Linux in MHz */

#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					\
	"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"					\
	"bootfile=/tftpboot/TQM860L/pImage\0"				\
	"kernel_addr=40040000\0"					\
	"ramdisk_addr=40100000\0"					\
	""
#define CONFIG_BOOTCOMMAND	"run flash_self"

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

#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/

#ifdef CONFIG_LCD
# undef	 CONFIG_STATUS_LED		/* disturbs display		*/
#else
# define CONFIG_STATUS_LED	1	/* Status LED enabled		*/
#endif	/* CONFIG_LCD */

#undef	CONFIG_CAN_DRIVER		/* CAN Driver support disabled	*/

#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)

#define CONFIG_MAC_PARTITION
#define CONFIG_DOS_PARTITION

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

#define CONFIG_COMMANDS	      ( CONFIG_CMD_DFL	| \
				CFG_CMD_ASKENV	| \
				CFG_CMD_DHCP	| \
				CFG_CMD_IDE	| \
				CFG_CMD_DATE	)

/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>

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

#if 0
#define	CFG_HUSH_PARSER		1	/* use "hush" command parser	*/
#endif
#ifdef	CFG_HUSH_PARSER
#define	CFG_PROMPT_HUSH_PS2	"> "
#endif

#if (CONFIG_COMMANDS & CFG_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_MEMTEST_START	0x0400000	/* memtest works on	*/
#define CFG_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/

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

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

#define CFG_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 CFG_IMMR		0xFFF00000

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM)
 */
#define CFG_INIT_RAM_ADDR	CFG_IMMR
#define	CFG_INIT_RAM_END	0x2F00	/* End of used area in DPRAM	*/
#define	CFG_GBL_DATA_SIZE	64  /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define	CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET

/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 * Please note that CFG_SDRAM_BASE _must_ start at 0
 */
#define	CFG_SDRAM_BASE		0x00000000
#define CFG_FLASH_BASE		0x40000000
#define	CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
#define CFG_MONITOR_BASE	CFG_FLASH_BASE
#define	CFG_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	CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux	*/

/*-----------------------------------------------------------------------
 * FLASH organization
 */
#define CFG_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
#define CFG_MAX_FLASH_SECT	67	/* max number of sectors on one chip	*/

#define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/

#define	CFG_ENV_IS_IN_FLASH	1
#define	CFG_ENV_OFFSET		0x8000	/*   Offset   of Environment Sector	*/
#define	CFG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/

/* Address and size of Redundant Environment Sector	*/
#define CFG_ENV_OFFSET_REDUND	(CFG_ENV_OFFSET+CFG_ENV_SIZE)
#define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)

/*-----------------------------------------------------------------------
 * Hardware Information Block
 */
#define CFG_HWINFO_OFFSET	0x0003FFC0	/* offset of HW Info block */
#define CFG_HWINFO_SIZE		0x00000040	/* size   of HW Info block */
#define CFG_HWINFO_MAGIC	0x54514D38	/* 'TQM8' */

/*-----------------------------------------------------------------------
 * Cache Configuration
 */
#define CFG_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_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 CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
#else
#define CFG_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 CFG_SIUMCR	(SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
#else	/* we must activate GPL5 in the SIUMCR for CAN */
#define CFG_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 CFG_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)

/*-----------------------------------------------------------------------
 * RTCSC - Real-Time Clock Status and Control Register		11-27
 *-----------------------------------------------------------------------
 */
#define CFG_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 CFG_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
 *
 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
 */
#ifdef	CONFIG_80MHz	/* for 80 MHz, we use a 16 MHz clock * 5 */
#define CFG_PLPRCR							\
		( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
#else			/* up to 50 MHz we use a 1:1 clock */
#define CFG_PLPRCR	(PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
#endif	/* CONFIG_80MHz */

/*-----------------------------------------------------------------------
 * 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
#ifdef	CONFIG_80MHz	/* for 80 MHz, we use a 16 MHz clock * 5 */
#define CFG_SCCR	(/* SCCR_TBS  | */ \
			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
			 SCCR_DFALCD00)
#else			/* up to 50 MHz we use a 1:1 clock */
#define CFG_SCCR	(SCCR_TBS     | \
			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
			 SCCR_DFALCD00)
#endif	/* CONFIG_80MHz */

/*-----------------------------------------------------------------------
 * PCMCIA stuff
 *-----------------------------------------------------------------------
 *
 */
#define CFG_PCMCIA_MEM_ADDR	(0xE0000000)
#define CFG_PCMCIA_MEM_SIZE	( 64 << 20 )
#define CFG_PCMCIA_DMA_ADDR	(0xE4000000)
#define CFG_PCMCIA_DMA_SIZE	( 64 << 20 )
#define CFG_PCMCIA_ATTRB_ADDR	(0xE8000000)
#define CFG_PCMCIA_ATTRB_SIZE	( 64 << 20 )
#define CFG_PCMCIA_IO_ADDR	(0xEC000000)
#define CFG_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 CFG_IDE_MAXBUS		1	/* max. 1 IDE bus		*/
#define CFG_IDE_MAXDEVICE	1	/* max. 1 drive per IDE bus	*/

#define CFG_ATA_IDE0_OFFSET	0x0000

#define CFG_ATA_BASE_ADDR	CFG_PCMCIA_MEM_ADDR

/* Offset for data I/O			*/
#define CFG_ATA_DATA_OFFSET	(CFG_PCMCIA_MEM_SIZE + 0x320)

/* Offset for normal register accesses	*/
#define CFG_ATA_REG_OFFSET	(2 * CFG_PCMCIA_MEM_SIZE + 0x320)

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

/*-----------------------------------------------------------------------
 *
 *-----------------------------------------------------------------------
 *
 */
/*#define	CFG_DER	0x2002000F*/
#define CFG_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 CFG_REMAP_OR_AM		0x80000000	/* OR addr mask */
#define CFG_PRELIM_OR_AM	0xE0000000	/* OR addr mask */

/*
 * FLASH timing:
 */
#if   defined(CONFIG_80MHz)
/* 80 MHz CPU - 40 MHz bus: ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
#define CFG_OR_TIMING_FLASH	(OR_ACS_DIV1  | 0       | OR_CSNT_SAM | \
				 OR_SCY_3_CLK | OR_EHTR | OR_BI)
#elif defined(CONFIG_66MHz)
/* 66 MHz CPU - 66 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */
#define CFG_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
				 OR_SCY_3_CLK | OR_EHTR | OR_BI)
#else		/*   50 MHz */
/* 50 MHz CPU - 50 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 2, EHTR = 1 */
#define CFG_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
				 OR_SCY_2_CLK | OR_EHTR | OR_BI)
#endif	/*CONFIG_??MHz */

#define CFG_OR0_REMAP	(CFG_REMAP_OR_AM  | CFG_OR_TIMING_FLASH)
#define CFG_OR0_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
#define CFG_BR0_PRELIM	((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )

#define CFG_OR1_REMAP	CFG_OR0_REMAP
#define CFG_OR1_PRELIM	CFG_OR0_PRELIM
#define CFG_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 CFG_OR_TIMING_SDRAM	0x00000A00

#define CFG_OR2_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
#define CFG_BR2_PRELIM	((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )

#ifndef	CONFIG_CAN_DRIVER
#define	CFG_OR3_PRELIM	CFG_OR2_PRELIM
#define CFG_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	CFG_CAN_BASE		0xC0000000	/* CAN mapped at 0xC0000000	*/
#define CFG_CAN_OR_AM		0xFFFF8000	/* 32 kB address mask		*/
#define CFG_OR3_CAN		(CFG_CAN_OR_AM | OR_G5LA | OR_BI)
#define CFG_BR3_CAN		((CFG_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
 */
#if   defined(CONFIG_80MHz)
#define CFG_MAMR_PTA		156
#elif defined(CONFIG_66MHz)
#define CFG_MAMR_PTA		129
#else		/*   50 MHz */
#define CFG_MAMR_PTA		 98
#endif	/*CONFIG_??MHz */

/*
 * 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 CFG_MPTPR_2BK_2K	MPTPR_PTP_DIV32		for 2 banks
 * #define CFG_MPTPR_1BK_2K	MPTPR_PTP_DIV64		for 1 bank
 */
#define CFG_MPTPR_2BK_4K	MPTPR_PTP_DIV16		/* setting for 2 banks	*/
#define CFG_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 CFG_MPTPR_2BK_8K	MPTPR_PTP_DIV8		/* setting for 2 banks	*/
#define CFG_MPTPR_1BK_8K	MPTPR_PTP_DIV16		/* setting for 1 bank	*/

/*
 * MAMR settings for SDRAM
 */

/* 8 column SDRAM */
#define CFG_MAMR_8COL	((CFG_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 CFG_MAMR_9COL	((CFG_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
f4675560 WD	1	/*
	2	* (C) Copyright 2000, 2001, 2002
	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_MPC823 1 /* This is a MPC823 CPU */
	37	#define CONFIG_TQM823L 1 /* ...on a TQM8xxL module */
	38
	39	#ifdef CONFIG_LCD /* with LCD controller ? */
	40	/* #define CONFIG_NEC_NL6648BC20 1 / * use NEC NL6648BC20 display */
	41	#endif
	42
	43	#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
	44	#undef CONFIG_8xx_CONS_SMC2
	45	#undef CONFIG_8xx_CONS_NONE
	46	#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
	47	#if 0
	48	#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
	49	#else
	50	#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
	51	#endif
	52
	53	#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
	54
	55	#define CONFIG_BOARD_TYPES 1 /* support board types */
	56
	57	#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
	58
	59	#undef CONFIG_BOOTARGS
6aff3115 WD	60
	61	#define CONFIG_EXTRA_ENV_SETTINGS \
	62	"nfsargs=setenv bootargs root=/dev/nfs rw " \
	63	"nfsroot=$(serverip):$(rootpath)\0" \
	64	"ramargs=setenv bootargs root=/dev/ram rw\0" \
	65	"addip=setenv bootargs $(bootargs) " \
	66	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
	67	":$(hostname):$(netdev):off panic=1\0" \
	68	"flash_nfs=run nfsargs addip;" \
	69	"bootm $(kernel_addr)\0" \
	70	"flash_self=run ramargs addip;" \
	71	"bootm $(kernel_addr) $(ramdisk_addr)\0" \
	72	"net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
	73	"rootpath=/opt/eldk/ppc_8xx\0" \
	74	"bootfile=/tftpboot/TQM860L/pImage\0" \
	75	"kernel_addr=40040000\0" \
	76	"ramdisk_addr=40100000\0" \
	77	""
	78	#define CONFIG_BOOTCOMMAND "run flash_self"
f4675560 WD	79
	80	#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
	81	#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
	82
	83	#undef CONFIG_WATCHDOG /* watchdog disabled */
	84
	85	#ifdef CONFIG_LCD
	86	# undef CONFIG_STATUS_LED /* disturbs display */
	87	#else
	88	# define CONFIG_STATUS_LED 1 /* Status LED enabled */
	89	#endif /* CONFIG_LCD */
	90
	91	#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
	92
	93	#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT \| CONFIG_BOOTP_BOOTFILESIZE)
	94
	95	#define CONFIG_MAC_PARTITION
	96	#define CONFIG_DOS_PARTITION
	97
	98	#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
	99
	100	#define CONFIG_COMMANDS ( CONFIG_CMD_DFL \| \
6aff3115	101	CFG_CMD_ASKENV \| \
f4675560 WD	102	CFG_CMD_DHCP \| \
	103	CFG_CMD_IDE \| \
	104	CFG_CMD_DATE )
	105
	106	/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
	107	#include <cmd_confdefs.h>
	108
	109	/*
	110	* Miscellaneous configurable options
	111	*/
	112	#define CFG_LONGHELP /* undef to save memory */
6aff3115 WD	113	#define CFG_PROMPT "=> " /* Monitor Command Prompt */
	114
	115	#if 0
	116	#define CFG_HUSH_PARSER 1 /* use "hush" command parser */
	117	#endif
	118	#ifdef CFG_HUSH_PARSER
	119	#define CFG_PROMPT_HUSH_PS2 "> "
	120	#endif
	121
f4675560	122	#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
6aff3115	123	#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
f4675560	124	#else
6aff3115	125	#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
f4675560 WD	126	#endif
f4675560 WD	127	#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
6aff3115	128	#define CFG_MAXARGS 16 /* max number of command args */
f4675560 WD	129	#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
	130
	131	#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
	132	#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
	133
	134	#define CFG_LOAD_ADDR 0x100000 /* default load address */
	135
6aff3115	136	#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
f4675560 WD	137
	138	#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
	139
	140	/*
	141	* Low Level Configuration Settings
	142	* (address mappings, register initial values, etc.)
	143	* You should know what you are doing if you make changes here.
	144	*/
	145	/*-----------------------------------------------------------------------
	146	* Internal Memory Mapped Register
	147	*/
	148	#define CFG_IMMR 0xFFF00000
	149
	150	/*-----------------------------------------------------------------------
	151	* Definitions for initial stack pointer and data area (in DPRAM)
	152	*/
	153	#define CFG_INIT_RAM_ADDR CFG_IMMR
	154	#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
	155	#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
	156	#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
	157	#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
	158
	159	/*-----------------------------------------------------------------------
	160	* Start addresses for the final memory configuration
	161	* (Set up by the startup code)
	162	* Please note that CFG_SDRAM_BASE _must_ start at 0
	163	*/
	164	#define CFG_SDRAM_BASE 0x00000000
	165	#define CFG_FLASH_BASE 0x40000000
	166	#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
	167	#define CFG_MONITOR_BASE CFG_FLASH_BASE
	168	#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
	169
	170	/*
	171	* For booting Linux, the board info and command line data
	172	* have to be in the first 8 MB of memory, since this is
	173	* the maximum mapped by the Linux kernel during initialization.
	174	*/
	175	#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
	176
	177	/*-----------------------------------------------------------------------
	178	* FLASH organization
	179	*/
	180	#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
	181	#define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
	182
	183	#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
	184	#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
	185
	186	#define CFG_ENV_IS_IN_FLASH 1
	187	#define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
	188	#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
	189
	190	/* Address and size of Redundant Environment Sector */
	191	#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
	192	#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
	193
	194	/*-----------------------------------------------------------------------
	195	* Hardware Information Block
	196	*/
	197	#define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
	198	#define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
	199	#define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
	200
201	/*-----------------------------------------------------------------------
202	* Cache Configuration
203	*/
204	#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
205	#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
206	#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
207	#endif
208
209	/*-----------------------------------------------------------------------
210	* SYPCR - System Protection Control 11-9
211	* SYPCR can only be written once after reset!
212	*-----------------------------------------------------------------------
213	* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
214	*/
215	#if defined(CONFIG_WATCHDOG)
216	#define CFG_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| \
217	SYPCR_SWE \| SYPCR_SWRI\| SYPCR_SWP)
218	#else
219	#define CFG_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| SYPCR_SWP)
220	#endif
221
222	/*-----------------------------------------------------------------------
223	* SIUMCR - SIU Module Configuration 11-6
224	*-----------------------------------------------------------------------
225	* PCMCIA config., multi-function pin tri-state
226	*/
227	#ifndef CONFIG_CAN_DRIVER
228	#define CFG_SIUMCR (SIUMCR_DBGC00 \| SIUMCR_DBPC00 \| SIUMCR_MLRC01)
229	#else /* we must activate GPL5 in the SIUMCR for CAN */
230	#define CFG_SIUMCR (SIUMCR_DBGC11 \| SIUMCR_DBPC00 \| SIUMCR_MLRC01)
231	#endif /* CONFIG_CAN_DRIVER */
232
233	/*-----------------------------------------------------------------------
234	* TBSCR - Time Base Status and Control 11-26
235	*-----------------------------------------------------------------------
236	* Clear Reference Interrupt Status, Timebase freezing enabled
237	*/
238	#define CFG_TBSCR (TBSCR_REFA \| TBSCR_REFB \| TBSCR_TBF)
239
240	/*-----------------------------------------------------------------------
241	* RTCSC - Real-Time Clock Status and Control Register 11-27
242	*-----------------------------------------------------------------------
243	*/
244	#define CFG_RTCSC (RTCSC_SEC \| RTCSC_ALR \| RTCSC_RTF\| RTCSC_RTE)
245
246	/*-----------------------------------------------------------------------
247	* PISCR - Periodic Interrupt Status and Control 11-31
248	*-----------------------------------------------------------------------
249	* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
250	*/
251	#define CFG_PISCR (PISCR_PS \| PISCR_PITF)
252
253	/*-----------------------------------------------------------------------
254	* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
255	*-----------------------------------------------------------------------
256	* Reset PLL lock status sticky bit, timer expired status bit and timer
257	* interrupt status bit
258	*
259	* If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
260	*/
261	#ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
262	#define CFG_PLPRCR \
263	( (5-1)<<PLPRCR_MF_SHIFT \| PLPRCR_TEXPS \| PLPRCR_TMIST )
264	#else /* up to 50 MHz we use a 1:1 clock */
265	#define CFG_PLPRCR (PLPRCR_SPLSS \| PLPRCR_TEXPS \| PLPRCR_TMIST)
266	#endif /* CONFIG_80MHz */
267
268	/*-----------------------------------------------------------------------
269	* SCCR - System Clock and reset Control Register 15-27
270	*-----------------------------------------------------------------------
271	* Set clock output, timebase and RTC source and divider,
272	* power management and some other internal clocks
273	*/
274	#define SCCR_MASK SCCR_EBDF11
275	#ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
276	#define CFG_SCCR (/* SCCR_TBS \| */ \
277	SCCR_COM00 \| SCCR_DFSYNC00 \| SCCR_DFBRG00 \| \
278	SCCR_DFNL000 \| SCCR_DFNH000 \| SCCR_DFLCD000 \| \
279	SCCR_DFALCD00)
280	#else /* up to 50 MHz we use a 1:1 clock */
281	#define CFG_SCCR (SCCR_TBS \| \
282	SCCR_COM00 \| SCCR_DFSYNC00 \| SCCR_DFBRG00 \| \
283	SCCR_DFNL000 \| SCCR_DFNH000 \| SCCR_DFLCD000 \| \
284	SCCR_DFALCD00)
285	#endif /* CONFIG_80MHz */
286
287	/*-----------------------------------------------------------------------
288	* PCMCIA stuff
289	*-----------------------------------------------------------------------
290	*
291	*/
292	#define CFG_PCMCIA_MEM_ADDR (0xE0000000)
293	#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
294	#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
295	#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
296	#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
297	#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
298	#define CFG_PCMCIA_IO_ADDR (0xEC000000)
299	#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
300
301	/*-----------------------------------------------------------------------
302	* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
303	*-----------------------------------------------------------------------
304	*/
305
306	#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
307
308	#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
309	#undef CONFIG_IDE_LED /* LED for ide not supported */
310	#undef CONFIG_IDE_RESET /* reset for ide not supported */
311
312	#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
313	#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
314
315	#define CFG_ATA_IDE0_OFFSET 0x0000
316
317	#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
318
319	/* Offset for data I/O */
320	#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
321
322	/* Offset for normal register accesses */
323	#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
324
325	/* Offset for alternate registers */
326	#define CFG_ATA_ALT_OFFSET 0x0100
327
328	/*-----------------------------------------------------------------------
329	*
330	*-----------------------------------------------------------------------
331	*
332	*/
333	/#define CFG_DER 0x2002000F/
334	#define CFG_DER 0
335
336	/*
337	* Init Memory Controller:
338	*
339	* BR0/1 and OR0/1 (FLASH)
340	*/
341
342	#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
343	#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
344
345	/* used to re-map FLASH both when starting from SRAM or FLASH:
346	* restrict access enough to keep SRAM working (if any)
347	* but not too much to meddle with FLASH accesses
348	*/
349	#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
350	#define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
351
352	/*
353	* FLASH timing:
354	*/
355	#if defined(CONFIG_80MHz)
356	/* 80 MHz CPU - 40 MHz bus: ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
357	#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 \| 0 \| OR_CSNT_SAM \| \
358	OR_SCY_3_CLK \| OR_EHTR \| OR_BI)
359	#elif defined(CONFIG_66MHz)
360	/* 66 MHz CPU - 66 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */
361	#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 \| OR_TRLX \| OR_CSNT_SAM \| \
362	OR_SCY_3_CLK \| OR_EHTR \| OR_BI)
363	#else /* 50 MHz */
364	/* 50 MHz CPU - 50 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 2, EHTR = 1 */
365	#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 \| OR_TRLX \| OR_CSNT_SAM \| \
366	OR_SCY_2_CLK \| OR_EHTR \| OR_BI)
367	#endif /CONFIG_??MHz /
368
369	#define CFG_OR0_REMAP (CFG_REMAP_OR_AM \| CFG_OR_TIMING_FLASH)
370	#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM \| CFG_OR_TIMING_FLASH)
371	#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) \| BR_V )
372
373	#define CFG_OR1_REMAP CFG_OR0_REMAP
374	#define CFG_OR1_PRELIM CFG_OR0_PRELIM
375	#define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) \| BR_V )
376
377	/*
378	* BR2/3 and OR2/3 (SDRAM)
379	*
380	*/
381	#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
382	#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
383	#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
384
385	/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
386	#define CFG_OR_TIMING_SDRAM 0x00000A00
387
388	#define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM \| CFG_OR_TIMING_SDRAM )
389	#define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) \| BR_MS_UPMA \| BR_V )
390
391	#ifndef CONFIG_CAN_DRIVER
392	#define CFG_OR3_PRELIM CFG_OR2_PRELIM
393	#define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) \| BR_MS_UPMA \| BR_V )
394	#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
395	#define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
396	#define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
397	#define CFG_OR3_CAN (CFG_CAN_OR_AM \| OR_G5LA \| OR_BI)
398	#define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) \| \
399	BR_PS_8 \| BR_MS_UPMB \| BR_V )
400	#endif /* CONFIG_CAN_DRIVER */
401
402	/*
403	* Memory Periodic Timer Prescaler
404	*
405	* The Divider for PTA (refresh timer) configuration is based on an
406	* example SDRAM configuration (64 MBit, one bank). The adjustment to
407	* the number of chip selects (NCS) and the actually needed refresh
408	* rate is done by setting MPTPR.
409	*
410	* PTA is calculated from
411	* PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
412	*
413	* gclk CPU clock (not bus clock!)
414	* Trefresh Refresh cycle * 4 (four word bursts used)
415	*
416	* 4096 Rows from SDRAM example configuration
417	* 1000 factor s -> ms
418	* 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
419	* 4 Number of refresh cycles per period
420	* 64 Refresh cycle in ms per number of rows
421	* --------------------------------------------
422	* Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
423	*
424	* 50 MHz => 50.000.000 / Divider = 98
425	* 66 Mhz => 66.000.000 / Divider = 129
426	* 80 Mhz => 80.000.000 / Divider = 156
427	*/
428	#if defined(CONFIG_80MHz)
429	#define CFG_MAMR_PTA 156
430	#elif defined(CONFIG_66MHz)
431	#define CFG_MAMR_PTA 129
432	#else /* 50 MHz */
433	#define CFG_MAMR_PTA 98
434	#endif /CONFIG_??MHz /
435
436	/*
437	* For 16 MBit, refresh rates could be 31.3 us
438	* (= 64 ms / 2K = 125 / quad bursts).
439	* For a simpler initialization, 15.6 us is used instead.
440	*
441	* #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
442	* #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
443	*/
444	#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
445	#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
446
447	/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
448	#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
449	#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
450
451	/*
452	* MAMR settings for SDRAM
453	*/
454
455	/* 8 column SDRAM */
456	#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
457	MAMR_AMA_TYPE_0 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A11 \| \
458	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
459	/* 9 column SDRAM */
460	#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
461	MAMR_AMA_TYPE_1 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A10 \| \
462	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
463
464
465	/*
466	* Internal Definitions
467	*
468	* Boot Flags
469	*/
470	#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
471	#define BOOTFLAG_WARM 0x02 /* Software reboot */
472
473	#endif /* __CONFIG_H */