[people/ms/u-boot.git] / include / configs / TQM885D.h

/*
 * (C) Copyright 2000-2014
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * (C) Copyright 2006
 * Martin Krause, TQ-Systems GmBH, martin.krause@tqs.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_MPC885		1	/* This is a MPC885 CPU		*/
#define CONFIG_TQM885D		1	/* ...on a TQM88D module	*/

#define	CONFIG_SYS_TEXT_BASE	0x40000000

#define CONFIG_8xx_OSCLK		10000000	/*  10 MHz - PLL input clock	*/
#define CONFIG_SYS_8xx_CPUCLK_MIN		15000000	/*  15 MHz - CPU minimum clock	*/
#define CONFIG_SYS_8xx_CPUCLK_MAX		133000000	/* 133 MHz - CPU maximum clock	*/
#define CONFIG_8xx_CPUCLK_DEFAULT	66000000	/*  66 MHz - CPU default clock	*/
						/* (it will be used if there is no	*/
						/* 'cpuclk' variable with valid value)	*/

#define CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
#define CONFIG_SYS_SMC_RXBUFLEN	128
#define CONFIG_SYS_MAXIDLE	10

#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"					\
	"bootfile=/tftpboot/TQM885D/uImage\0"				\
	"fdt_addr=400C0000\0"						\
	"kernel_addr=40100000\0"					\
	"ramdisk_addr=40280000\0"					\
	"load=tftp 200000 ${u-boot}\0"					\
	"update=protect off 40000000 +${filesize};"			\
		"erase 40000000 +${filesize};"				\
		"cp.b 200000 40000000 ${filesize};"			\
		"protect on 40000000 +${filesize}\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		*/

#undef	CONFIG_CAN_DRIVER		/* CAN Driver support disabled	*/

/* enable I2C and select the hardware/software driver */
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_SOFT			/* I2C bit-banged */
#define CONFIG_SYS_I2C_SOFT_SPEED	93000	/* 93 kHz is supposed to work */
#define CONFIG_SYS_I2C_SOFT_SLAVE	0xFE
/*
 * Software (bit-bang) I2C driver configuration
 */
#define PB_SCL		0x00000020	/* PB 26 */
#define PB_SDA		0x00000010	/* PB 27 */

#define I2C_INIT	(immr->im_cpm.cp_pbdir |=  PB_SCL)
#define I2C_ACTIVE	(immr->im_cpm.cp_pbdir |=  PB_SDA)
#define I2C_TRISTATE	(immr->im_cpm.cp_pbdir &= ~PB_SDA)
#define I2C_READ	((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
#define I2C_SDA(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
			else	immr->im_cpm.cp_pbdat &= ~PB_SDA
#define I2C_SCL(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
			else	immr->im_cpm.cp_pbdat &= ~PB_SCL
#define I2C_DELAY	udelay(2)	/* 1/4 I2C clock duration */

#define CONFIG_SYS_I2C_EEPROM_ADDR	0x50		/* EEPROM AT24C??	*/
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2		/* two byte address	*/
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10	/* and takes up to 10 msec */

# define CONFIG_RTC_DS1337 1
# define CONFIG_SYS_I2C_RTC_ADDR 0x68

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

#undef CONFIG_RTC_MPC8xx		/* MPC885 does not support RTC	*/

#define	CONFIG_TIMESTAMP		/* but print image timestmps	*/

/*
 * Command line configuration.
 */
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_IDE

/*
 * Miscellaneous configurable options
 */
#define CONFIG_SYS_LONGHELP			/* undef to save memory		*/

#define CONFIG_CMDLINE_EDITING	1	/* add command line history	*/

#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	0x0100000	/* memtest works on	*/
#define CONFIG_SYS_MEMTEST_END		0x0300000	/* 1 ... 3 MB in DRAM	*/
#define CONFIG_SYS_ALT_MEMTEST				/* alternate, more extensive
						   memory test.*/

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

/*
 * 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		(256 << 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	0x40000 /* 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)

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

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

/*-----------------------------------------------------------------------
 * SCCR - System Clock and reset Control Register		15-27
 *-----------------------------------------------------------------------
 * Set clock output, timebase and RTC source and divider,
 * power management and some other internal clocks
 */
#define SCCR_MASK	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: Default value of OR0 after reset
 */
#define CONFIG_SYS_OR_TIMING_FLASH	(OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
				 OR_SCY_6_CLK | OR_TRLX)

#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		(256 << 20)	/* max 256 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 */

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

/*
 * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
 *
 *                        CPUclock(MHz) * 31.2
 * CONFIG_SYS_MAMR_PTA = -----------------------------------     with DFBRG = 0
 *                2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
 *
 * CPU clock =  15 MHz:  CONFIG_SYS_MAMR_PTA =  29   ->  4 * 7.73 us
 * CPU clock =  50 MHz:  CONFIG_SYS_MAMR_PTA =  97   ->  4 * 7.76 us
 * CPU clock =  66 MHz:  CONFIG_SYS_MAMR_PTA = 128   ->  4 * 7.75 us
 * CPU clock = 133 MHz:  CONFIG_SYS_MAMR_PTA = 255   ->  4 * 7.67 us
 *
 * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
 * be met also in the default configuration, i.e. if environment variable
 * 'cpuclk' is not set.
 */
#define CONFIG_SYS_MAMR_PTA		128

/*
 * Memory Periodic Timer Prescaler Register (MPTPR) values.
 */
/* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
#define CONFIG_SYS_MPTPR_2BK_4K	MPTPR_PTP_DIV16
/* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
#define CONFIG_SYS_MPTPR_2BK_8K	MPTPR_PTP_DIV8

/*
 * 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)
/* 10 column SDRAM */
#define CONFIG_SYS_MAMR_10COL	((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
			 MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9  |	\
			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)

/*
 * Network configuration
 */
#define CONFIG_SCC2_ENET		/* enable ethernet on SCC2 */
#define CONFIG_FEC_ENET			/* enable ethernet on FEC */
#define CONFIG_ETHER_ON_FEC1		/* ... for FEC1 */
#define CONFIG_ETHER_ON_FEC2		/* ... for FEC2 */

#if defined(CONFIG_CMD_MII)
#define CONFIG_SYS_DISCOVER_PHY
#define CONFIG_MII_INIT	1
#endif

#define CONFIG_NET_RETRY_COUNT 1	/* reduce max. timeout before
					   switching to another netwok (if the
					   tried network is unreachable) */

#define CONFIG_ETHPRIME		"SCC"

#define CONFIG_HWCONFIG		1

#endif	/* __CONFIG_H */
Commit	Line	Data
090eb735	1	/*
23c5d253	2	* (C) Copyright 2000-2014
090eb735 MK	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* (C) Copyright 2006
	6	* Martin Krause, TQ-Systems GmBH, martin.krause@tqs.de
	7	*
3765b3e7	8	* SPDX-License-Identifier: GPL-2.0+
090eb735 MK	9	*/
	10
	11	/*
	12	* board/config.h - configuration options, board specific
	13	*/
	14
	15	#ifndef __CONFIG_H
	16	#define __CONFIG_H
	17
	18	/*
	19	* High Level Configuration Options
	20	* (easy to change)
	21	*/
	22
	23	#define CONFIG_MPC885 1 /* This is a MPC885 CPU */
	24	#define CONFIG_TQM885D 1 /* ...on a TQM88D module */
	25
2ae18241 WD	26	#define CONFIG_SYS_TEXT_BASE 0x40000000
2ae18241 WD	27
090eb735	28	#define CONFIG_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */
6d0f6bcf JCPV	29	#define CONFIG_SYS_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */
6d0f6bcf JCPV	30	#define CONFIG_SYS_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */
22d1a56c	31	#define CONFIG_8xx_CPUCLK_DEFAULT 66000000 /* 66 MHz - CPU default clock */
090eb735 MK	32	/* (it will be used if there is no */
	33	/* 'cpuclk' variable with valid value) */
	34
090eb735	35	#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
3cb7a480 WD	36	#define CONFIG_SYS_SMC_RXBUFLEN 128
3cb7a480 WD	37	#define CONFIG_SYS_MAXIDLE 10
090eb735 MK	38
	39	#define CONFIG_BOOTCOUNT_LIMIT
	40
090eb735 MK	41
	42	#define CONFIG_BOARD_TYPES 1 /* support board types */
	43
	44	#define CONFIG_PREBOOT "echo;" \
32bf3d14	45	"echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
090eb735 MK	46	"echo"
	47
	48	#undef CONFIG_BOOTARGS
	49
	50	#define CONFIG_EXTRA_ENV_SETTINGS \
	51	"netdev=eth0\0" \
	52	"nfsargs=setenv bootargs root=/dev/nfs rw " \
	53	"nfsroot=${serverip}:${rootpath}\0" \
	54	"ramargs=setenv bootargs root=/dev/ram rw\0" \
	55	"addip=setenv bootargs ${bootargs} " \
	56	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
	57	":${hostname}:${netdev}:off panic=1\0" \
	58	"flash_nfs=run nfsargs addip;" \
	59	"bootm ${kernel_addr}\0" \
	60	"flash_self=run ramargs addip;" \
	61	"bootm ${kernel_addr} ${ramdisk_addr}\0" \
	62	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
	63	"rootpath=/opt/eldk/ppc_8xx\0" \
11d9eec4 MK	64	"bootfile=/tftpboot/TQM885D/uImage\0" \
	65	"fdt_addr=400C0000\0" \
	66	"kernel_addr=40100000\0" \
	67	"ramdisk_addr=40280000\0" \
	68	"load=tftp 200000 ${u-boot}\0" \
	69	"update=protect off 40000000 +${filesize};" \
	70	"erase 40000000 +${filesize};" \
	71	"cp.b 200000 40000000 ${filesize};" \
	72	"protect on 40000000 +${filesize}\0" \
090eb735 MK	73	""
	74	#define CONFIG_BOOTCOMMAND "run flash_self"
	75
	76	#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
6d0f6bcf	77	#undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
090eb735 MK	78
	79	#undef CONFIG_WATCHDOG /* watchdog disabled */
	80
090eb735 MK	81	#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
	82
	83	/* enable I2C and select the hardware/software driver */
ea818dbb HS	84	#define CONFIG_SYS_I2C
	85	#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
	86	#define CONFIG_SYS_I2C_SOFT_SPEED 93000 /* 93 kHz is supposed to work */
	87	#define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
090eb735 MK	88	/*
	89	* Software (bit-bang) I2C driver configuration
	90	*/
	91	#define PB_SCL 0x00000020 /* PB 26 */
	92	#define PB_SDA 0x00000010 /* PB 27 */
	93
	94	#define I2C_INIT (immr->im_cpm.cp_pbdir \|= PB_SCL)
	95	#define I2C_ACTIVE (immr->im_cpm.cp_pbdir \|= PB_SDA)
	96	#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
	97	#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
	98	#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat \|= PB_SDA; \
	99	else immr->im_cpm.cp_pbdat &= ~PB_SDA
	100	#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat \|= PB_SCL; \
	101	else immr->im_cpm.cp_pbdat &= ~PB_SCL
	102	#define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
090eb735	103
6d0f6bcf JCPV	104	#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C?? */
	105	#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
	106	#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
	107	#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
090eb735 MK	108
090eb735 MK	109	# define CONFIG_RTC_DS1337 1
6d0f6bcf	110	# define CONFIG_SYS_I2C_RTC_ADDR 0x68
090eb735	111
37d4bb70 JL	112	/*
	113	* BOOTP options
	114	*/
	115	#define CONFIG_BOOTP_SUBNETMASK
	116	#define CONFIG_BOOTP_GATEWAY
	117	#define CONFIG_BOOTP_HOSTNAME
	118	#define CONFIG_BOOTP_BOOTPATH
	119	#define CONFIG_BOOTP_BOOTFILESIZE
	120
11d9eec4	121	#undef CONFIG_RTC_MPC8xx /* MPC885 does not support RTC */
090eb735 MK	122
	123	#define CONFIG_TIMESTAMP /* but print image timestmps */
	124
2694690e JL	125	/*
	126	* Command line configuration.
	127	*/
2694690e	128	#define CONFIG_CMD_EEPROM
2694690e	129	#define CONFIG_CMD_IDE
090eb735 MK	130
	131	/*
	132	* Miscellaneous configurable options
	133	*/
6d0f6bcf	134	#define CONFIG_SYS_LONGHELP /* undef to save memory */
090eb735	135
2751a95a	136	#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
090eb735	137
2694690e	138	#if defined(CONFIG_CMD_KGDB)
6d0f6bcf	139	#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
090eb735	140	#else
6d0f6bcf	141	#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
090eb735	142	#endif
6d0f6bcf JCPV	143	#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
	144	#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
	145	#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
090eb735	146
6d0f6bcf JCPV	147	#define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */
	148	#define CONFIG_SYS_MEMTEST_END 0x0300000 /* 1 ... 3 MB in DRAM */
	149	#define CONFIG_SYS_ALT_MEMTEST /* alternate, more extensive
090eb735 MK	150	memory test.*/
090eb735 MK	151
6d0f6bcf	152	#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
090eb735	153
090eb735 MK	154	/*
	155	* Low Level Configuration Settings
	156	* (address mappings, register initial values, etc.)
	157	* You should know what you are doing if you make changes here.
	158	*/
	159	/*-----------------------------------------------------------------------
	160	* Internal Memory Mapped Register
	161	*/
6d0f6bcf	162	#define CONFIG_SYS_IMMR 0xFFF00000
090eb735 MK	163
	164	/*-----------------------------------------------------------------------
	165	* Definitions for initial stack pointer and data area (in DPRAM)
	166	*/
6d0f6bcf	167	#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
553f0982	168	#define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
25ddd1fb	169	#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
6d0f6bcf	170	#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
090eb735 MK	171
	172	/*-----------------------------------------------------------------------
	173	* Start addresses for the final memory configuration
	174	* (Set up by the startup code)
6d0f6bcf	175	* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
090eb735	176	*/
6d0f6bcf JCPV	177	#define CONFIG_SYS_SDRAM_BASE 0x00000000
	178	#define CONFIG_SYS_FLASH_BASE 0x40000000
	179	#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
	180	#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
	181	#define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 128 kB for malloc() */
090eb735 MK	182
	183	/*
	184	* For booting Linux, the board info and command line data
	185	* have to be in the first 8 MB of memory, since this is
	186	* the maximum mapped by the Linux kernel during initialization.
	187	*/
6d0f6bcf	188	#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
090eb735 MK	189
	190	/*-----------------------------------------------------------------------
	191	* FLASH organization
	192	*/
090eb735	193
e318d9e9	194	/* use CFI flash driver */
6d0f6bcf	195	#define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
00b1883a	196	#define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
6d0f6bcf JCPV	197	#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
	198	#define CONFIG_SYS_FLASH_EMPTY_INFO
	199	#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
	200	#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
	201	#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
090eb735	202
5a1aceb0	203	#define CONFIG_ENV_IS_IN_FLASH 1
0e8d1586 JCPV	204	#define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
	205	#define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
	206	#define CONFIG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */
090eb735 MK	207
090eb735 MK	208	/* Address and size of Redundant Environment Sector */
0e8d1586 JCPV	209	#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
0e8d1586 JCPV	210	#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
090eb735 MK	211
	212	/*-----------------------------------------------------------------------
	213	* Hardware Information Block
	214	*/
6d0f6bcf JCPV	215	#define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
	216	#define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
	217	#define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
090eb735 MK	218
	219	/*-----------------------------------------------------------------------
	220	* Cache Configuration
	221	*/
6d0f6bcf	222	#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
2694690e	223	#if defined(CONFIG_CMD_KGDB)
6d0f6bcf	224	#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
090eb735 MK	225	#endif
	226
	227	/*-----------------------------------------------------------------------
	228	* SYPCR - System Protection Control 11-9
	229	* SYPCR can only be written once after reset!
	230	*-----------------------------------------------------------------------
	231	* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
	232	*/
	233	#if defined(CONFIG_WATCHDOG)
6d0f6bcf	234	#define CONFIG_SYS_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| \
090eb735 MK	235	SYPCR_SWE \| SYPCR_SWRI\| SYPCR_SWP)
090eb735 MK	236	#else
6d0f6bcf	237	#define CONFIG_SYS_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| SYPCR_SWP)
090eb735 MK	238	#endif
	239
	240	/*-----------------------------------------------------------------------
	241	* SIUMCR - SIU Module Configuration 11-6
	242	*-----------------------------------------------------------------------
	243	* PCMCIA config., multi-function pin tri-state
	244	*/
	245	#ifndef CONFIG_CAN_DRIVER
6d0f6bcf	246	#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 \| SIUMCR_DBPC00 \| SIUMCR_MLRC01)
090eb735	247	#else /* we must activate GPL5 in the SIUMCR for CAN */
6d0f6bcf	248	#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 \| SIUMCR_DBPC00 \| SIUMCR_MLRC01)
090eb735 MK	249	#endif /* CONFIG_CAN_DRIVER */
	250
	251	/*-----------------------------------------------------------------------
	252	* TBSCR - Time Base Status and Control 11-26
	253	*-----------------------------------------------------------------------
	254	* Clear Reference Interrupt Status, Timebase freezing enabled
	255	*/
6d0f6bcf	256	#define CONFIG_SYS_TBSCR (TBSCR_REFA \| TBSCR_REFB \| TBSCR_TBF)
090eb735 MK	257
	258	/*-----------------------------------------------------------------------
	259	* PISCR - Periodic Interrupt Status and Control 11-31
	260	*-----------------------------------------------------------------------
	261	* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
	262	*/
6d0f6bcf	263	#define CONFIG_SYS_PISCR (PISCR_PS \| PISCR_PITF)
090eb735 MK	264
	265	/*-----------------------------------------------------------------------
	266	* SCCR - System Clock and reset Control Register 15-27
	267	*-----------------------------------------------------------------------
	268	* Set clock output, timebase and RTC source and divider,
	269	* power management and some other internal clocks
	270	*/
	271	#define SCCR_MASK SCCR_EBDF11
6d0f6bcf	272	#define CONFIG_SYS_SCCR (SCCR_COM00 \| SCCR_DFSYNC00 \| SCCR_DFBRG00 \| \
090eb735 MK	273	SCCR_DFNL000 \| SCCR_DFNH000 \| SCCR_DFLCD000 \| \
	274	SCCR_DFALCD00)
	275
	276	/*-----------------------------------------------------------------------
	277	* PCMCIA stuff
	278	*-----------------------------------------------------------------------
	279	*
	280	*/
6d0f6bcf JCPV	281	#define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
	282	#define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
	283	#define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
	284	#define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
	285	#define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
	286	#define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
	287	#define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
	288	#define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
090eb735 MK	289
	290	/*-----------------------------------------------------------------------
	291	* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
	292	*-----------------------------------------------------------------------
	293	*/
	294
8d1165e1	295	#define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
090eb735 MK	296	#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
	297
	298	#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
	299	#undef CONFIG_IDE_LED /* LED for ide not supported */
	300	#undef CONFIG_IDE_RESET /* reset for ide not supported */
	301
6d0f6bcf JCPV	302	#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
6d0f6bcf JCPV	303	#define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
090eb735	304
6d0f6bcf	305	#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
090eb735	306
6d0f6bcf	307	#define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
090eb735 MK	308
090eb735 MK	309	/* Offset for data I/O */
6d0f6bcf	310	#define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
090eb735 MK	311
090eb735 MK	312	/* Offset for normal register accesses */
6d0f6bcf	313	#define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
090eb735 MK	314
090eb735 MK	315	/* Offset for alternate registers */
6d0f6bcf	316	#define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
090eb735 MK	317
	318	/*-----------------------------------------------------------------------
	319	*
	320	*-----------------------------------------------------------------------
	321	*
	322	*/
6d0f6bcf	323	#define CONFIG_SYS_DER 0
090eb735 MK	324
	325	/*
	326	* Init Memory Controller:
	327	*
	328	* BR0/1 and OR0/1 (FLASH)
	329	*/
	330
	331	#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
	332	#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
	333
	334	/* used to re-map FLASH both when starting from SRAM or FLASH:
	335	* restrict access enough to keep SRAM working (if any)
	336	* but not too much to meddle with FLASH accesses
	337	*/
6d0f6bcf JCPV	338	#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
6d0f6bcf JCPV	339	#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
090eb735 MK	340
	341	/*
	342	* FLASH timing: Default value of OR0 after reset
	343	*/
6d0f6bcf	344	#define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM \| OR_ACS_MSK \| OR_BI \| \
090eb735 MK	345	OR_SCY_6_CLK \| OR_TRLX)
090eb735 MK	346
6d0f6bcf JCPV	347	#define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM \| CONFIG_SYS_OR_TIMING_FLASH)
	348	#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM \| CONFIG_SYS_OR_TIMING_FLASH)
	349	#define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) \| BR_V )
090eb735	350
6d0f6bcf JCPV	351	#define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
	352	#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
	353	#define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) \| BR_V )
090eb735 MK	354
	355	/*
	356	* BR2/3 and OR2/3 (SDRAM)
	357	*
	358	*/
	359	#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
	360	#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
	361	#define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */
	362
	363	/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
6d0f6bcf	364	#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
090eb735	365
6d0f6bcf JCPV	366	#define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM \| CONFIG_SYS_OR_TIMING_SDRAM )
6d0f6bcf JCPV	367	#define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) \| BR_MS_UPMA \| BR_V )
090eb735 MK	368
090eb735 MK	369	#ifndef CONFIG_CAN_DRIVER
6d0f6bcf JCPV	370	#define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
6d0f6bcf JCPV	371	#define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) \| BR_MS_UPMA \| BR_V )
090eb735	372	#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
6d0f6bcf JCPV	373	#define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
	374	#define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
	375	#define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM \| OR_G5LA \| OR_BI)
	376	#define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) \| \
090eb735 MK	377	BR_PS_8 \| BR_MS_UPMB \| BR_V )
	378	#endif /* CONFIG_CAN_DRIVER */
	379
	380	/*
	381	* 4096 Rows from SDRAM example configuration
	382	* 1000 factor s -> ms
	383	* 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
	384	* 4 Number of refresh cycles per period
	385	* 64 Refresh cycle in ms per number of rows
	386	*/
6d0f6bcf	387	#define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
090eb735 MK	388
090eb735 MK	389	/*
492c7049 JG	390	* Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
	391	*
	392	* CPUclock(MHz) * 31.2
6d0f6bcf	393	* CONFIG_SYS_MAMR_PTA = ----------------------------------- with DFBRG = 0
492c7049 JG	394	* 2^(2SCCR[DFBRG]) MPTPR_PTP_DIV16
492c7049 JG	395	*
6d0f6bcf JCPV	396	* CPU clock = 15 MHz: CONFIG_SYS_MAMR_PTA = 29 -> 4 * 7.73 us
	397	* CPU clock = 50 MHz: CONFIG_SYS_MAMR_PTA = 97 -> 4 * 7.76 us
	398	* CPU clock = 66 MHz: CONFIG_SYS_MAMR_PTA = 128 -> 4 * 7.75 us
	399	* CPU clock = 133 MHz: CONFIG_SYS_MAMR_PTA = 255 -> 4 * 7.67 us
492c7049 JG	400	*
	401	* Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
	402	* be met also in the default configuration, i.e. if environment variable
	403	* 'cpuclk' is not set.
090eb735	404	*/
6d0f6bcf	405	#define CONFIG_SYS_MAMR_PTA 128
090eb735 MK	406
090eb735 MK	407	/*
492c7049	408	* Memory Periodic Timer Prescaler Register (MPTPR) values.
090eb735	409	*/
492c7049	410	/* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
6d0f6bcf	411	#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16
492c7049	412	/* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
6d0f6bcf	413	#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8
090eb735 MK	414
	415	/*
	416	* MAMR settings for SDRAM
	417	*/
	418
	419	/* 8 column SDRAM */
6d0f6bcf	420	#define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
090eb735 MK	421	MAMR_AMA_TYPE_0 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A11 \| \
	422	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
	423	/* 9 column SDRAM */
6d0f6bcf	424	#define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
090eb735 MK	425	MAMR_AMA_TYPE_1 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A10 \| \
	426	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
	427	/* 10 column SDRAM */
6d0f6bcf	428	#define CONFIG_SYS_MAMR_10COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
090eb735 MK	429	MAMR_AMA_TYPE_2 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A9 \| \
	430	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
	431
090eb735 MK	432	/*
	433	* Network configuration
	434	*/
	435	#define CONFIG_SCC2_ENET /* enable ethernet on SCC2 */
	436	#define CONFIG_FEC_ENET /* enable ethernet on FEC */
	437	#define CONFIG_ETHER_ON_FEC1 /* ... for FEC1 */
	438	#define CONFIG_ETHER_ON_FEC2 /* ... for FEC2 */
	439
2694690e	440	#if defined(CONFIG_CMD_MII)
6d0f6bcf	441	#define CONFIG_SYS_DISCOVER_PHY
0f3ba7e9	442	#define CONFIG_MII_INIT 1
090eb735 MK	443	#endif
	444
	445	#define CONFIG_NET_RETRY_COUNT 1 /* reduce max. timeout before
	446	switching to another netwok (if the
	447	tried network is unreachable) */
	448
48690d80	449	#define CONFIG_ETHPRIME "SCC"
090eb735	450
7026ead0 HS	451	#define CONFIG_HWCONFIG 1
7026ead0 HS	452
090eb735	453	#endif /* __CONFIG_H */