| /* | 
 |  * (C) Copyright 2000-2005 | 
 |  * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | 
 |  * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.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 | 
 |  * Derived from ../tqm8xx/tqm8xx.c | 
 |  */ | 
 |  | 
 | #ifndef __CONFIG_H | 
 | #define __CONFIG_H | 
 |  | 
 | /* | 
 |  * High Level Configuration Options | 
 |  * (easy to change) | 
 |  */ | 
 |  | 
 | #define CONFIG_MPC855		1	/* This is a MPC855 CPU		*/ | 
 | #define CONFIG_KUP4K		1	/* ...on a KUP4K module */ | 
 |  | 
 | #define CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/ | 
 | #undef	CONFIG_8xx_CONS_SMC2 | 
 | #undef	CONFIG_8xx_CONS_NONE | 
 | #define CONFIG_BAUDRATE		115200	/* console baudrate		*/ | 
 | #if 0 | 
 | #define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/ | 
 | #else | 
 | #define CONFIG_BOOTDELAY	1	/* autoboot after 1 second	*/ | 
 | #endif | 
 |  | 
 | #define CONFIG_BOARD_TYPES	1	/* support board types		*/ | 
 |  | 
 |  | 
 | #undef	CONFIG_BOOTARGS | 
 |  | 
 |  | 
 | #define CONFIG_EXTRA_ENV_SETTINGS						\ | 
 | "slot_a_boot=setenv bootargs root=/dev/hda2 ip=off;"				\ | 
 |  "run addhw; diskboot 200000 0:1; bootm 200000\0"				\ | 
 | "slot_b_boot=setenv bootargs root=/dev/hda2 ip=off;"				\ | 
 |  "run addhw; diskboot 200000 2:1; bootm 200000\0"				\ | 
 | "nfs_boot=dhcp; run nfsargs addip addhw; bootm 200000\0"			\ | 
 | "panic_boot=echo No Bootdevice !!! reset\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\0"					\ | 
 | "addhw=setenv bootargs ${bootargs} hw=${hw} key1=${key1} panic=1\0"		\ | 
 | "netdev=eth0\0"									\ | 
 | "contrast=55\0"									\ | 
 | "silent=1\0"									\ | 
 | "load=tftp 200000 bootloader-4k.bitmap;tftp 100000 bootloader-4k.bin\0"		\ | 
 | "update=protect off 1:0-7;era 1:0-7;cp.b 100000 40000000 ${filesize};"		\ | 
 |  "cp.b 200000 40050000 14000\0" | 
 |  | 
 | #define CONFIG_BOOTCOMMAND  \ | 
 |     "run slot_a_boot;run slot_b_boot;run nfs_boot;run panic_boot" | 
 |  | 
 |  | 
 | #define CONFIG_MISC_INIT_R	1 | 
 | #define CONFIG_MISC_INIT_F	1 | 
 |  | 
 | #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/ | 
 | #undef	CFG_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/ | 
 |  | 
 | #define	CONFIG_WATCHDOG	1		/* watchdog enabled		*/ | 
 |  | 
 | #define CONFIG_STATUS_LED	1	/* Status LED enabled		*/ | 
 |  | 
 | #undef	CONFIG_CAN_DRIVER		/* CAN Driver support disabled	*/ | 
 |  | 
 | /* | 
 |  * BOOTP options | 
 |  */ | 
 | #define CONFIG_BOOTP_SUBNETMASK | 
 | #define CONFIG_BOOTP_GATEWAY | 
 | #define CONFIG_BOOTP_HOSTNAME | 
 | #define CONFIG_BOOTP_BOOTPATH | 
 | #define CONFIG_BOOTP_BOOTFILESIZE | 
 |  | 
 |  | 
 | #define CONFIG_MAC_PARTITION | 
 | #define CONFIG_DOS_PARTITION | 
 |  | 
 |  | 
 | /* | 
 |  * enable I2C and select the hardware/software driver | 
 |  */ | 
 | #undef	CONFIG_HARD_I2C			/* I2C with hardware support	*/ | 
 | #define	CONFIG_SOFT_I2C         1	/* I2C bit-banged		*/ | 
 |  | 
 | #define CFG_I2C_SPEED		93000	/* 93 kHz is supposed to work	*/ | 
 | #define CFG_I2C_SLAVE		0xFE | 
 |  | 
 | #ifdef CONFIG_SOFT_I2C | 
 | /* | 
 |  * 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 */ | 
 | #endif	/* CONFIG_SOFT_I2C */ | 
 |  | 
 |  | 
 | /*----------------------------------------------------------------------- | 
 |  * I2C Configuration | 
 |  */ | 
 |  | 
 | #define CFG_I2C_PICIO_ADDR	0x21	/* PCF8574 IO Expander			*/ | 
 | #define CFG_I2C_RTC_ADDR	0x51	/* PCF8563 RTC				*/ | 
 |  | 
 |  | 
 | /* List of I2C addresses to be verified by POST */ | 
 |  | 
 | #define I2C_ADDR_LIST	{CFG_I2C_PICIO_ADDR,	\ | 
 | 			CFG_I2C_RTC_ADDR,	\ | 
 | 			} | 
 |  | 
 |  | 
 | #define CONFIG_RTC_PCF8563		/* use Philips PCF8563 RTC	*/ | 
 |  | 
 | #define CFG_DISCOVER_PHY | 
 | #define CONFIG_MII | 
 |  | 
 | #if 0 | 
 | #define CONFIG_ETHADDR                  00:0B:64:00:00:00 /* our OUI from IEEE */ | 
 | #endif | 
 | #define CONFIG_KUP4K_LOGO               0x40050000  /* Address of logo bitmap */ | 
 |  | 
 | /* Define to allow the user to overwrite serial and ethaddr */ | 
 | #define CONFIG_ENV_OVERWRITE | 
 | #if 1 | 
 | /* POST support */ | 
 |  | 
 | #define CONFIG_POST		(CFG_POST_CPU	   | \ | 
 | 				 CFG_POST_RTC	   | \ | 
 | 				 CFG_POST_I2C) | 
 | #endif | 
 |  | 
 |  | 
 | /* | 
 |  * Command line configuration. | 
 |  */ | 
 | #include <config_cmd_default.h> | 
 |  | 
 | #define CONFIG_CMD_DATE | 
 | #define CONFIG_CMD_DHCP | 
 | #define CONFIG_CMD_I2C | 
 | #define CONFIG_CMD_IDE | 
 | #define CONFIG_CMD_NFS | 
 | #define CONFIG_CMD_SNTP | 
 |  | 
 | #ifdef CONFIG_POST | 
 |     #define CONFIG_CMD_DIAG | 
 | #endif | 
 |  | 
 | /* | 
 |  * Miscellaneous configurable options | 
 |  */ | 
 | #define CFG_LONGHELP			/* undef to save memory		*/ | 
 | #define CFG_PROMPT	"=> "		/* Monitor Command Prompt	*/ | 
 | #if defined(CONFIG_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	0x000400000	/* memtest works on	*/ | 
 | #define CFG_MEMTEST_END		0x002C00000	/* 4 ... 44 MB in DRAM	*/ | 
 |  | 
 | #define CFG_LOAD_ADDR		0x200000	/* default load address */ | 
 |  | 
 | #define CFG_HZ		1000		/* decrementer freq: 1 ms ticks */ | 
 |  | 
 | #define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 115200 } | 
 |  | 
 | #define CFG_CONSOLE_INFO_QUIET 1 | 
 |  | 
 | /* | 
 |  * 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		(192 << 10)	/* Reserve 192 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	1	/* max number of memory banks		*/ | 
 | #define CFG_MAX_FLASH_SECT	19	/* 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		0x40000 /*   Offset   of Environment Sector	*/ | 
 | #define CFG_ENV_SIZE		0x1000	/* Total Size of Environment Sector	*/ | 
 | #define CFG_ENV_SECT_SIZE	0x10000 | 
 |  | 
 | /* Address and size of Redundant Environment Sector	*/ | 
 | #if 0 | 
 | #define CFG_ENV_OFFSET_REDUND	(CFG_ENV_OFFSET+CFG_ENV_SIZE) | 
 | #define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE) | 
 | #endif | 
 | /*----------------------------------------------------------------------- | 
 |  * Hardware Information Block | 
 |  */ | 
 | #if 1 | 
 | #define CFG_HWINFO_OFFSET	0x000F0000	/* offset of HW Info block */ | 
 | #define CFG_HWINFO_SIZE		0x00000100	/* size   of HW Info block */ | 
 | #define CFG_HWINFO_MAGIC	0x4B26500D	/* 'K&P<CR>' */ | 
 | #endif | 
 | /*----------------------------------------------------------------------- | 
 |  * Cache Configuration | 
 |  */ | 
 | #define CFG_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/ | 
 | #if defined(CONFIG_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 0 && defined(CONFIG_WATCHDOG)       /* KUP uses external TPS3705 WD */ | 
 | #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 | 
 |  */ | 
 | #define CFG_SIUMCR	(SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC00) | 
 |  | 
 | /*----------------------------------------------------------------------- | 
 |  * 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)! | 
 |  */ | 
 | #define CFG_PLPRCR ( (5-1)<<PLPRCR_MF_SHIFT | 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_EBDF00 | 
 | #define CFG_SCCR	(SCCR_TBS | SCCR_EBDF01 |  \ | 
 | 			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \ | 
 | 			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \ | 
 | 			 SCCR_DFALCD00) | 
 |  | 
 | /*----------------------------------------------------------------------- | 
 |  * PCMCIA stuff | 
 |  *----------------------------------------------------------------------- | 
 |  * | 
 |  */ | 
 |  | 
 | /* KUP4K use both slots, SLOT_A as "primary". */ | 
 | #define CONFIG_PCMCIA_SLOT_A 1 | 
 |  | 
 | #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 ) | 
 |  | 
 | #define PCMCIA_SOCKETS_NO 2 | 
 | #define PCMCIA_MEM_WIN_NO 8 | 
 | /*----------------------------------------------------------------------- | 
 |  * 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	*/ | 
 | #define CONFIG_IDE_LED		1	/* LED	 for ide supported	*/ | 
 | #undef	CONFIG_IDE_RESET		/* reset for ide not supported	*/ | 
 |  | 
 | #define CFG_IDE_MAXBUS		2 | 
 | #define CFG_IDE_MAXDEVICE	4 | 
 |  | 
 | #define CFG_ATA_IDE0_OFFSET	0x0000 | 
 |  | 
 | #define CFG_ATA_IDE1_OFFSET	(4 * CFG_PCMCIA_MEM_SIZE) | 
 |  | 
 | #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 0 | 
 |  | 
 | /* | 
 |  * Init Memory Controller: | 
 |  * | 
 |  * BR0/1 and OR0/1 (FLASH) | 
 |  */ | 
 | #define FLASH_BASE0_PRELIM	0x40000000	/* 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: | 
 |  */ | 
 | #define CFG_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \ | 
 | 				 OR_SCY_2_CLK | OR_EHTR | OR_BI) | 
 |  | 
 | #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_PS_16 | BR_V ) | 
 |  | 
 |  | 
 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)	*/ | 
 | #define CFG_OR_TIMING_SDRAM	0x00000A00 | 
 |  | 
 |  | 
 | /* | 
 |  * 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 0x400 | 
 |  | 
 | /* | 
 |  * MAMR settings for SDRAM | 
 |  */ | 
 | #define CFG_MAMR 0x80802114 | 
 |  | 
 | /* | 
 |  * Internal Definitions | 
 |  * | 
 |  * Boot Flags | 
 |  */ | 
 | #define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/ | 
 | #define BOOTFLAG_WARM	0x02		/* Software reboot			*/ | 
 |  | 
 |  | 
 | #define CONFIG_AUTOBOOT_KEYED		/* use key strings to stop autoboot */ | 
 | #if 0 | 
 | #define CONFIG_AUTOBOOT_PROMPT		\ | 
 | 	"Boote in %d Sekunden - stop mit \"2\"\n", bootdelay | 
 | #endif | 
 | #define CONFIG_AUTOBOOT_STOP_STR	"." /* easy to stop for now */ | 
 | #define CONFIG_SILENT_CONSOLE	1 | 
 |  | 
 | #endif	/* __CONFIG_H */ |