[people/ms/u-boot.git] / include / configs / virtlab2.h

/*
 * (C) Copyright 2006-2008
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

/*
 * 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_VIRTLAB2		1	/* ...on a virtlab2 module	*/
#define	CONFIG_TQM8xxL		1

#define	CONFIG_SYS_TEXT_BASE	0x40000000

#define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
#define CONFIG_SYS_SMC_RXBUFLEN	128
#define CONFIG_SYS_MAXIDLE	10
#define CONFIG_BAUDRATE		115200	/* console baudrate = 115kbps	*/

#define	CONFIG_BOOTCOUNT_LIMIT

#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/

#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=virtlab2\0"						\
	"bootfile=virtlab2/uImage\0"					\
	"fdt_addr=40040000\0"						\
	"kernel_addr=40060000\0"					\
	"ramdisk_addr=40200000\0"					\
	"u-boot=virtlab2/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		*/

#if defined(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	*/

/*
 * 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_EXT2
#define CONFIG_CMD_IDE
#define CONFIG_CMD_JFFS2
#define CONFIG_CMD_NFS
#define CONFIG_CMD_SNTP

#if defined(CONFIG_SPLASH_SCREEN)
    #define CONFIG_CMD_BMP
#endif


#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 "hush" command parser	*/

#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	*/

/*
 * 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_SIZE	0x2F00	/* Size of used area in DPRAM	*/
#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define	CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET

/*-----------------------------------------------------------------------
 * 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, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
#define CONFIG_SYS_FLASH_EMPTY_INFO
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1
#define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of memory banks */
#define CONFIG_SYS_MAX_FLASH_SECT	71	/* max number of sectors on one chip */

#define	CONFIG_ENV_IS_IN_FLASH	1
#define	CONFIG_ENV_OFFSET		0x8000	/*   Offset   of Environment Sector	*/
#define	CONFIG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/

/* Address and size of Redundant Environment Sector	*/
#define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET+CONFIG_ENV_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_CMD_MTDPARTS
#define CONFIG_MTD_DEVICE		/* needed for mtdparts commands */
#define CONFIG_FLASH_CFI_MTD
#define MTDIDS_DEFAULT		"nor0=TQM8xxL-0"

#define MTDPARTS_DEFAULT	"mtdparts=TQM8xxL-0:256k(u-boot),"	\
						"128k(dtb),"		\
						"1664k(kernel),"	\
						"2m(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_PREINIT	1	/* Use preinit IDE hook */
#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)

/* Map peripheral control registers on CS4 */
#define CONFIG_SYS_PERIPHERAL_BASE 0xA0000000
#define CONFIG_SYS_PERIPHERAL_OR_AM 0xFFFF8000 /* 32 kB address mask */
#define CONFIG_SYS_OR4_PRELIM (CONFIG_SYS_PERIPHERAL_OR_AM | OR_TRLX | OR_CSNT_SAM | \
						OR_SCY_2_CLK)
#define CONFIG_SYS_BR4_PRELIM ((CONFIG_SYS_PERIPHERAL_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
#define PCMCIA_CTRL (CONFIG_SYS_PERIPHERAL_BASE + 0xB00)

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

#endif	/* __CONFIG_H */
Commit	Line	Data
8cba090c	1	/*
29f8f58f	2	* (C) Copyright 2006-2008
8cba090c WD	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
8cba090c WD	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
8cba090c WD	6	*/
	7
	8	/*
	9	* board/config.h - configuration options, board specific
	10	*/
	11
	12	#ifndef __CONFIG_H
	13	#define __CONFIG_H
	14
	15	/*
	16	* High Level Configuration Options
	17	* (easy to change)
	18	*/
	19
	20	#define CONFIG_MPC823 1 /* This is a MPC823 CPU */
	21	#define CONFIG_VIRTLAB2 1 /* ...on a virtlab2 module */
	22	#define CONFIG_TQM8xxL 1
	23
2ae18241 WD	24	#define CONFIG_SYS_TEXT_BASE 0x40000000
2ae18241 WD	25
8cba090c	26	#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
3cb7a480 WD	27	#define CONFIG_SYS_SMC_RXBUFLEN 128
3cb7a480 WD	28	#define CONFIG_SYS_MAXIDLE 10
8cba090c WD	29	#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
	30
	31	#define CONFIG_BOOTCOUNT_LIMIT
	32
	33	#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
	34
	35	#define CONFIG_BOARD_TYPES 1 /* support board types */
	36
32bf3d14	37	#define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
8cba090c WD	38
	39	#undef CONFIG_BOOTARGS
	40
	41	#define CONFIG_EXTRA_ENV_SETTINGS \
	42	"netdev=eth0\0" \
	43	"nfsargs=setenv bootargs root=/dev/nfs rw " \
	44	"nfsroot=${serverip}:${rootpath}\0" \
	45	"ramargs=setenv bootargs root=/dev/ram rw\0" \
	46	"addip=setenv bootargs ${bootargs} " \
	47	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
	48	":${hostname}:${netdev}:off panic=1\0" \
	49	"flash_nfs=run nfsargs addip;" \
	50	"bootm ${kernel_addr}\0" \
	51	"flash_self=run ramargs addip;" \
	52	"bootm ${kernel_addr} ${ramdisk_addr}\0" \
	53	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
	54	"rootpath=/opt/eldk/ppc_8xx\0" \
29f8f58f WD	55	"hostname=virtlab2\0" \
	56	"bootfile=virtlab2/uImage\0" \
	57	"fdt_addr=40040000\0" \
	58	"kernel_addr=40060000\0" \
	59	"ramdisk_addr=40200000\0" \
	60	"u-boot=virtlab2/u-image.bin\0" \
	61	"load=tftp 200000 ${u-boot}\0" \
	62	"update=prot off 40000000 +${filesize};" \
	63	"era 40000000 +${filesize};" \
	64	"cp.b 200000 40000000 ${filesize};" \
	65	"sete filesize;save\0" \
8cba090c WD	66	""
	67	#define CONFIG_BOOTCOMMAND "run flash_self"
	68
	69	#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
6d0f6bcf	70	#undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
8cba090c WD	71
	72	#undef CONFIG_WATCHDOG /* watchdog disabled */
	73
	74	#if defined(CONFIG_LCD)
	75	# undef CONFIG_STATUS_LED /* disturbs display */
	76	#else
	77	# define CONFIG_STATUS_LED 1 /* Status LED enabled */
	78	#endif /* CONFIG_LCD */
	79
	80	#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
	81
d3b8c1a7 JL	82	/*
	83	* BOOTP options
	84	*/
	85	#define CONFIG_BOOTP_SUBNETMASK
	86	#define CONFIG_BOOTP_GATEWAY
	87	#define CONFIG_BOOTP_HOSTNAME
	88	#define CONFIG_BOOTP_BOOTPATH
	89	#define CONFIG_BOOTP_BOOTFILESIZE
	90
8cba090c WD	91
	92	#define CONFIG_MAC_PARTITION
	93	#define CONFIG_DOS_PARTITION
	94
	95	#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
	96
dca3b3d6 JL	97
	98	/*
	99	* Command line configuration.
	100	*/
	101	#include <config_cmd_default.h>
	102
	103	#define CONFIG_CMD_ASKENV
	104	#define CONFIG_CMD_DATE
	105	#define CONFIG_CMD_DHCP
9a63b7f4	106	#define CONFIG_CMD_EXT2
dca3b3d6	107	#define CONFIG_CMD_IDE
29f8f58f	108	#define CONFIG_CMD_JFFS2
dca3b3d6 JL	109	#define CONFIG_CMD_NFS
	110	#define CONFIG_CMD_SNTP
	111
	112	#if defined(CONFIG_SPLASH_SCREEN)
	113	#define CONFIG_CMD_BMP
8cba090c WD	114	#endif
8cba090c WD	115
8cba090c	116
29f8f58f WD	117	#define CONFIG_NETCONSOLE
29f8f58f WD	118
8cba090c WD	119	/*
	120	* Miscellaneous configurable options
	121	*/
6d0f6bcf JCPV	122	#define CONFIG_SYS_LONGHELP /* undef to save memory */
6d0f6bcf JCPV	123	#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
8cba090c	124
29f8f58f	125	#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
6d0f6bcf	126	#define CONFIG_SYS_HUSH_PARSER 1 /* use "hush" command parser */
8cba090c	127
dca3b3d6	128	#if defined(CONFIG_CMD_KGDB)
6d0f6bcf	129	#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
8cba090c	130	#else
6d0f6bcf	131	#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
8cba090c	132	#endif
6d0f6bcf JCPV	133	#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
	134	#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
	135	#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
8cba090c	136
6d0f6bcf JCPV	137	#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
6d0f6bcf JCPV	138	#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
8cba090c	139
6d0f6bcf	140	#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
8cba090c	141
6d0f6bcf	142	#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
8cba090c	143
8cba090c WD	144	/*
	145	* Low Level Configuration Settings
	146	* (address mappings, register initial values, etc.)
	147	* You should know what you are doing if you make changes here.
	148	*/
	149	/*-----------------------------------------------------------------------
	150	* Internal Memory Mapped Register
	151	*/
6d0f6bcf	152	#define CONFIG_SYS_IMMR 0xFFF00000
8cba090c WD	153
	154	/*-----------------------------------------------------------------------
	155	* Definitions for initial stack pointer and data area (in DPRAM)
	156	*/
6d0f6bcf	157	#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
553f0982	158	#define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
25ddd1fb	159	#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
6d0f6bcf	160	#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
8cba090c WD	161
	162	/*-----------------------------------------------------------------------
	163	* Start addresses for the final memory configuration
	164	* (Set up by the startup code)
6d0f6bcf	165	* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
8cba090c	166	*/
6d0f6bcf JCPV	167	#define CONFIG_SYS_SDRAM_BASE 0x00000000
	168	#define CONFIG_SYS_FLASH_BASE 0x40000000
	169	#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
	170	#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
	171	#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
8cba090c WD	172
	173	/*
	174	* For booting Linux, the board info and command line data
	175	* have to be in the first 8 MB of memory, since this is
	176	* the maximum mapped by the Linux kernel during initialization.
	177	*/
6d0f6bcf	178	#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
8cba090c WD	179
	180	/*-----------------------------------------------------------------------
	181	* FLASH organization
	182	*/
8cba090c	183
e318d9e9	184	/* use CFI flash driver */
6d0f6bcf	185	#define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
00b1883a	186	#define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
6d0f6bcf JCPV	187	#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
	188	#define CONFIG_SYS_FLASH_EMPTY_INFO
	189	#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
	190	#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
	191	#define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
8cba090c	192
5a1aceb0	193	#define CONFIG_ENV_IS_IN_FLASH 1
0e8d1586 JCPV	194	#define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
0e8d1586 JCPV	195	#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
8cba090c WD	196
8cba090c WD	197	/* Address and size of Redundant Environment Sector */
0e8d1586 JCPV	198	#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
0e8d1586 JCPV	199	#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
8cba090c	200
6d0f6bcf	201	#define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
67c31036	202
7c803be2 WD	203	#define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
7c803be2 WD	204
29f8f58f WD	205	/*-----------------------------------------------------------------------
	206	* Dynamic MTD partition support
	207	*/
68d7d651	208	#define CONFIG_CMD_MTDPARTS
942556a9 SR	209	#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
942556a9 SR	210	#define CONFIG_FLASH_CFI_MTD
29f8f58f WD	211	#define MTDIDS_DEFAULT "nor0=TQM8xxL-0"
	212
	213	#define MTDPARTS_DEFAULT "mtdparts=TQM8xxL-0:256k(u-boot)," \
	214	"128k(dtb)," \
	215	"1664k(kernel)," \
	216	"2m(rootfs)," \
cd82919e	217	"4m(data)"
29f8f58f	218
8cba090c WD	219	/*-----------------------------------------------------------------------
	220	* Hardware Information Block
	221	*/
6d0f6bcf JCPV	222	#define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
	223	#define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
	224	#define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
8cba090c WD	225
	226	/*-----------------------------------------------------------------------
	227	* Cache Configuration
	228	*/
6d0f6bcf	229	#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
dca3b3d6	230	#if defined(CONFIG_CMD_KGDB)
6d0f6bcf	231	#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
8cba090c WD	232	#endif
	233
	234	/*-----------------------------------------------------------------------
	235	* SYPCR - System Protection Control 11-9
	236	* SYPCR can only be written once after reset!
	237	*-----------------------------------------------------------------------
	238	* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
	239	*/
	240	#if defined(CONFIG_WATCHDOG)
6d0f6bcf	241	#define CONFIG_SYS_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| \
8cba090c WD	242	SYPCR_SWE \| SYPCR_SWRI\| SYPCR_SWP)
8cba090c WD	243	#else
6d0f6bcf	244	#define CONFIG_SYS_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| SYPCR_SWP)
8cba090c WD	245	#endif
	246
	247	/*-----------------------------------------------------------------------
	248	* SIUMCR - SIU Module Configuration 11-6
	249	*-----------------------------------------------------------------------
	250	* PCMCIA config., multi-function pin tri-state
	251	*/
	252	#ifndef CONFIG_CAN_DRIVER
6d0f6bcf	253	#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 \| SIUMCR_DBPC00 \| SIUMCR_MLRC01)
8cba090c	254	#else /* we must activate GPL5 in the SIUMCR for CAN */
6d0f6bcf	255	#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 \| SIUMCR_DBPC00 \| SIUMCR_MLRC01)
8cba090c WD	256	#endif /* CONFIG_CAN_DRIVER */
	257
	258	/*-----------------------------------------------------------------------
	259	* TBSCR - Time Base Status and Control 11-26
	260	*-----------------------------------------------------------------------
	261	* Clear Reference Interrupt Status, Timebase freezing enabled
	262	*/
6d0f6bcf	263	#define CONFIG_SYS_TBSCR (TBSCR_REFA \| TBSCR_REFB \| TBSCR_TBF)
8cba090c WD	264
	265	/*-----------------------------------------------------------------------
	266	* RTCSC - Real-Time Clock Status and Control Register 11-27
	267	*-----------------------------------------------------------------------
	268	*/
6d0f6bcf	269	#define CONFIG_SYS_RTCSC (RTCSC_SEC \| RTCSC_ALR \| RTCSC_RTF\| RTCSC_RTE)
8cba090c WD	270
	271	/*-----------------------------------------------------------------------
	272	* PISCR - Periodic Interrupt Status and Control 11-31
	273	*-----------------------------------------------------------------------
	274	* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
	275	*/
6d0f6bcf	276	#define CONFIG_SYS_PISCR (PISCR_PS \| PISCR_PITF)
8cba090c WD	277
	278	/*-----------------------------------------------------------------------
	279	* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
	280	*-----------------------------------------------------------------------
	281	* Reset PLL lock status sticky bit, timer expired status bit and timer
	282	* interrupt status bit
	283	*/
6d0f6bcf	284	#define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS \| PLPRCR_TEXPS \| PLPRCR_TMIST)
8cba090c WD	285
	286	/*-----------------------------------------------------------------------
	287	* SCCR - System Clock and reset Control Register 15-27
	288	*-----------------------------------------------------------------------
	289	* Set clock output, timebase and RTC source and divider,
	290	* power management and some other internal clocks
	291	*/
	292	#define SCCR_MASK SCCR_EBDF11
6d0f6bcf	293	#define CONFIG_SYS_SCCR (SCCR_COM00 \| SCCR_DFSYNC00 \| SCCR_DFBRG00 \| \
8cba090c WD	294	SCCR_DFNL000 \| SCCR_DFNH000 \| SCCR_DFLCD000 \| \
	295	SCCR_DFALCD00)
	296
	297	/*-----------------------------------------------------------------------
	298	* PCMCIA stuff
	299	*-----------------------------------------------------------------------
	300	*
	301	*/
6d0f6bcf JCPV	302	#define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
	303	#define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
	304	#define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
	305	#define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
	306	#define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
	307	#define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
	308	#define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
	309	#define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
8cba090c WD	310
	311	/*-----------------------------------------------------------------------
	312	* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
	313	*-----------------------------------------------------------------------
	314	*/
	315
8d1165e1	316	#define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
8cba090c WD	317	#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
	318
	319	#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
	320	#undef CONFIG_IDE_LED /* LED for ide not supported */
	321	#undef CONFIG_IDE_RESET /* reset for ide not supported */
	322
6d0f6bcf JCPV	323	#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
6d0f6bcf JCPV	324	#define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
8cba090c	325
6d0f6bcf	326	#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
8cba090c	327
6d0f6bcf	328	#define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
8cba090c WD	329
8cba090c WD	330	/* Offset for data I/O */
6d0f6bcf	331	#define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
8cba090c WD	332
8cba090c WD	333	/* Offset for normal register accesses */
6d0f6bcf	334	#define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
8cba090c WD	335
8cba090c WD	336	/* Offset for alternate registers */
6d0f6bcf	337	#define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
8cba090c WD	338
	339	/*-----------------------------------------------------------------------
	340	*
	341	*-----------------------------------------------------------------------
	342	*
	343	*/
6d0f6bcf	344	#define CONFIG_SYS_DER 0
8cba090c WD	345
	346	/*
	347	* Init Memory Controller:
	348	*
	349	* BR0/1 and OR0/1 (FLASH)
	350	*/
	351
	352	#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
	353	#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
	354
	355	/* used to re-map FLASH both when starting from SRAM or FLASH:
	356	* restrict access enough to keep SRAM working (if any)
	357	* but not too much to meddle with FLASH accesses
	358	*/
6d0f6bcf JCPV	359	#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
6d0f6bcf JCPV	360	#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
8cba090c WD	361
	362	/*
	363	* FLASH timing:
	364	*/
6d0f6bcf	365	#define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 \| OR_TRLX \| OR_CSNT_SAM \| \
8cba090c WD	366	OR_SCY_3_CLK \| OR_EHTR \| OR_BI)
8cba090c WD	367
6d0f6bcf JCPV	368	#define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM \| CONFIG_SYS_OR_TIMING_FLASH)
	369	#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM \| CONFIG_SYS_OR_TIMING_FLASH)
	370	#define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) \| BR_V )
8cba090c	371
6d0f6bcf JCPV	372	#define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
	373	#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
	374	#define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) \| BR_V )
8cba090c WD	375
	376	/*
	377	* BR2/3 and OR2/3 (SDRAM)
	378	*
	379	*/
	380	#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
	381	#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
	382	#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
	383
	384	/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
6d0f6bcf	385	#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
8cba090c	386
6d0f6bcf JCPV	387	#define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM \| CONFIG_SYS_OR_TIMING_SDRAM )
6d0f6bcf JCPV	388	#define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) \| BR_MS_UPMA \| BR_V )
8cba090c WD	389
8cba090c WD	390	#ifndef CONFIG_CAN_DRIVER
6d0f6bcf JCPV	391	#define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
6d0f6bcf JCPV	392	#define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) \| BR_MS_UPMA \| BR_V )
8cba090c	393	#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
6d0f6bcf JCPV	394	#define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
	395	#define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
	396	#define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM \| OR_G5LA \| OR_BI)
	397	#define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) \| \
8cba090c WD	398	BR_PS_8 \| BR_MS_UPMB \| BR_V )
	399	#endif /* CONFIG_CAN_DRIVER */
	400
	401	/*
	402	* Memory Periodic Timer Prescaler
	403	*
	404	* The Divider for PTA (refresh timer) configuration is based on an
	405	* example SDRAM configuration (64 MBit, one bank). The adjustment to
	406	* the number of chip selects (NCS) and the actually needed refresh
	407	* rate is done by setting MPTPR.
	408	*
	409	* PTA is calculated from
	410	* PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
	411	*
	412	* gclk CPU clock (not bus clock!)
	413	* Trefresh Refresh cycle * 4 (four word bursts used)
	414	*
	415	* 4096 Rows from SDRAM example configuration
	416	* 1000 factor s -> ms
	417	* 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
	418	* 4 Number of refresh cycles per period
	419	* 64 Refresh cycle in ms per number of rows
	420	* --------------------------------------------
	421	* Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
	422	*
	423	* 50 MHz => 50.000.000 / Divider = 98
	424	* 66 Mhz => 66.000.000 / Divider = 129
	425	* 80 Mhz => 80.000.000 / Divider = 156
	426	*/
	427
6d0f6bcf JCPV	428	#define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
6d0f6bcf JCPV	429	#define CONFIG_SYS_MAMR_PTA 98
8cba090c WD	430
	431	/*
	432	* For 16 MBit, refresh rates could be 31.3 us
	433	* (= 64 ms / 2K = 125 / quad bursts).
	434	* For a simpler initialization, 15.6 us is used instead.
	435	*
6d0f6bcf JCPV	436	* #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
6d0f6bcf JCPV	437	* #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
8cba090c	438	*/
6d0f6bcf JCPV	439	#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
6d0f6bcf JCPV	440	#define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
8cba090c WD	441
8cba090c WD	442	/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
6d0f6bcf JCPV	443	#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
6d0f6bcf JCPV	444	#define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
8cba090c WD	445
	446	/*
	447	* MAMR settings for SDRAM
	448	*/
	449
	450	/* 8 column SDRAM */
6d0f6bcf	451	#define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
8cba090c WD	452	MAMR_AMA_TYPE_0 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A11 \| \
	453	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
	454	/* 9 column SDRAM */
6d0f6bcf	455	#define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
8cba090c WD	456	MAMR_AMA_TYPE_1 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A10 \| \
	457	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
	458
8cba090c	459	/* Map peripheral control registers on CS4 */
6d0f6bcf JCPV	460	#define CONFIG_SYS_PERIPHERAL_BASE 0xA0000000
	461	#define CONFIG_SYS_PERIPHERAL_OR_AM 0xFFFF8000 /* 32 kB address mask */
	462	#define CONFIG_SYS_OR4_PRELIM (CONFIG_SYS_PERIPHERAL_OR_AM \| OR_TRLX \| OR_CSNT_SAM \| \
8cba090c	463	OR_SCY_2_CLK)
6d0f6bcf JCPV	464	#define CONFIG_SYS_BR4_PRELIM ((CONFIG_SYS_PERIPHERAL_BASE & BR_BA_MSK) \| BR_PS_8 \| BR_V)
6d0f6bcf JCPV	465	#define PCMCIA_CTRL (CONFIG_SYS_PERIPHERAL_BASE + 0xB00)
7026ead0 HS	466
	467	/* pass open firmware flat tree */
	468	#define CONFIG_OF_LIBFDT 1
	469	#define CONFIG_OF_BOARD_SETUP 1
	470	#define CONFIG_HWCONFIG 1
	471
8cba090c	472	#endif /* __CONFIG_H */