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

/*
 * (C) Copyright 2000, 2001
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 * (C) Copyright 2001
 * Torsten Stevens, FHG IMS, stevens@ims.fhg.de
 * Bruno Achauer, Exet AG, bruno@exet-ag.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 config_TQM850L.h]
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * High Level Configuration Options
 * (easy to change)
 */

#define CONFIG_MPC850		1	/* This is a MPC850 CPU		*/
#define CONFIG_LANTEC		2	/* ...on a Lantec rev.2 board	*/

/*
 *  Port assignments (CONFIG_LANTEC == 1):
 *  - SMC1: J11 (MDB) ?
 *  - SMC2: J6  (Feature connector)
 *  - SCC2: J9  (RJ45)
 *  - SCC3: J8  (Sub-D9)
 *
 *  Port assignments (CONFIG_LANTEC == 2): TBD
 */


#undef CONFIG_8xx_CONS_SMC2           /* Console is on SMC2           */
#define	CONFIG_8xx_CONS_SCC3
#undef  CONFIG_8xx_CONS_NONE
#define CONFIG_BAUDRATE         38400   /* console baudrate = 38.4kbps  */
#if 0
#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
#else
#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
#endif

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

#undef	CONFIG_BOOTARGS
#define CONFIG_BOOTCOMMAND							\
	"setenv bootargs root=/dev/ram panic=5;bootm 40040000 400A0000"

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

#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/

#define	CONFIG_STATUS_LED	1	/* Status LED enabled		*/

#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)

#define CONFIG_CMD_MINIMAL	0
#define CONFIG_CMD_TINY		(CFG_CMD_FLASH  | \
				 CFG_CMD_MEMORY | \
				 CFG_CMD_LOADS  | \
				 CFG_CMD_LOADB)
#define CONFIG_CMD_NORMAL	(CONFIG_CMD_DFL & ~CFG_CMD_BOOTD & ~CFG_CMD_REISER)
#define CONFIG_CMD_GDB		(CONFIG_CMD_NORMAL | CFG_CMD_KGDB)
#define CONFIG_CMD_FULL		(CFG_CMD_ALL & ~CFG_CMD_BEDBUG	\
					     & ~CFG_CMD_BMP	\
					     & ~CFG_CMD_BSP	\
					     & ~CFG_CMD_DOC	\
					     & ~CFG_CMD_DTT	\
					     & ~CFG_CMD_EEPROM	\
					     & ~CFG_CMD_ELF	\
					     & ~CFG_CMD_EXT2	\
					     & ~CFG_CMD_FDC	\
					     & ~CFG_CMD_FDOS	\
					     & ~CFG_CMD_HWFLOW	\
					     & ~CFG_CMD_I2C	\
					     & ~CFG_CMD_IDE	\
					     & ~CFG_CMD_IRQ	\
					     & ~CFG_CMD_JFFS2	\
					     & ~CFG_CMD_KGDB	\
					     & ~CFG_CMD_MII	\
					     & ~CFG_CMD_MMC	\
					     & ~CFG_CMD_NAND	\
					     & ~CFG_CMD_PCI	\
					     & ~CFG_CMD_PCMCIA	\
					     & ~CFG_CMD_REISER	\
					     & ~CFG_CMD_SCSI	\
					     & ~CFG_CMD_SPI	\
					     & ~CFG_CMD_UNIVERSE\
					     & ~CFG_CMD_USB	\
					     & ~CFG_CMD_VFD	\
					     & ~CFG_CMD_XIMG	)

#if CONFIG_LANTEC >= 2
#define	CONFIG_RTC_MPC8xx		/* use internal RTC of MPC8xx	*/
#endif

#if CONFIG_LANTEC >= 2
# define CONFIG_COMMANDS	CONFIG_CMD_FULL
#else
# define CONFIG_COMMANDS	(CONFIG_CMD_FULL & ~CFG_CMD_DATE & ~CFG_CMD_NET)
#endif

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

/*
 * Miscellaneous configurable options
 */
#define	CFG_LONGHELP			/* undef to save memory		*/
#define	CFG_PROMPT	"=> "		/* Monitor Command Prompt	*/
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define	CFG_CBSIZE	1024		/* Console I/O Buffer Size	*/
#else
#define	CFG_CBSIZE	256		/* Console I/O Buffer Size	*/
#endif
#define	CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define	CFG_MAXARGS	16		/* max number of command args	*/
#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size	*/

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

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

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

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

/*
 * Low Level Configuration Settings
 * (address mappings, register initial values, etc.)
 * You should know what you are doing if you make changes here.
 */
/*-----------------------------------------------------------------------
 * Internal Memory Mapped Register
 */
#define CFG_IMMR		0xFFF00000

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

/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 * Please note that CFG_SDRAM_BASE _must_ start at 0
 */
#define	CFG_SDRAM_BASE		0x00000000
#define CFG_FLASH_BASE		0x40000000
#define	CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
#define CFG_MONITOR_BASE	CFG_FLASH_BASE
#define	CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()	*/

/*
 * For booting Linux, the board info and command line data
 * have to be in the first 8 MB of memory, since this is
 * the maximum mapped by the Linux kernel during initialization.
 */
#define	CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux	*/

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

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

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

/*-----------------------------------------------------------------------
 * Cache Configuration
 */
#define CFG_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT	4	/* log base 2 of the above value	*/
#endif

/*-----------------------------------------------------------------------
 * SYPCR - System Protection Control				11-9
 * SYPCR can only be written once after reset!
 *-----------------------------------------------------------------------
 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 */
#if defined(CONFIG_WATCHDOG)
#define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
#else
#define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
#endif

/*-----------------------------------------------------------------------
 * SIUMCR - SIU Module Configuration				11-6
 *-----------------------------------------------------------------------
 * PCMCIA config., multi-function pin tri-state
 */
#define CFG_SIUMCR	(SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_DLK)

/*-----------------------------------------------------------------------
 * Clock Setting - Has the Lantec board a 32kHz clock ??? [XXX]
 *-----------------------------------------------------------------------
 */
#define	CONFIG_8xx_GCLK_FREQ	33000000

/*-----------------------------------------------------------------------
 * 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)!
 */
			/* up to 50 MHz we use a 1:1 clock */
#define CFG_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
			/* up to 50 MHz we use a 1:1 clock */
#define CFG_SCCR	(SCCR_TBS     | \
			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
			 SCCR_DFALCD00)

/*-----------------------------------------------------------------------
 *
 *-----------------------------------------------------------------------
 *
 */
#define CFG_DER	0

/*
 * Init Memory Controller:
 *
 * BR0/5 and OR0/5 (FLASH)
 */

#define FLASH_BASE0_PRELIM	0x40000000	/* FLASH bank #0	*/
#define FLASH_BASE5_PRELIM	0x60000000	/* FLASH bank #1	*/

/* 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_CSNT_SAM  | OR_BI | \
				 OR_SCY_5_CLK | OR_TRLX)

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

#define CFG_OR5_REMAP   CFG_OR0_REMAP
#define CFG_OR5_PRELIM  CFG_OR0_PRELIM
#define CFG_BR5_PRELIM  ((FLASH_BASE5_PRELIM & BR_BA_MSK) | BR_V )

/*
 * BR2/3 and OR2/3 (SDRAM)
 *
 */
#define SDRAM_BASE3_PRELIM      0x00000000      /* SDRAM bank #0        */
#define SDRAM_MAX_SIZE          0x04000000      /* max 64 MB per bank   */

/* SDRAM timing: Multiplexed addresses					*/
#define CFG_OR_TIMING_SDRAM     (OR_CSNT_SAM)

#define CFG_OR3_PRELIM  (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
#define CFG_BR3_PRELIM  ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )

/*
 * Memory Periodic Timer Prescaler
 */

/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit	*/
#define CFG_MPTPR_2BK_4K	MPTPR_PTP_DIV16		/* setting for 2 banks	*/
#define CFG_MPTPR_1BK_4K	MPTPR_PTP_DIV32		/* setting for 1 bank	*/

/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit		*/
#define CFG_MPTPR_2BK_8K	MPTPR_PTP_DIV8		/* setting for 2 banks	*/
#define CFG_MPTPR_1BK_8K	MPTPR_PTP_DIV16		/* setting for 1 bank	*/

/*
 * MAMR settings for SDRAM
 */
/* periodic timer for refresh */
#define CFG_MAMR_PTA	97		/* start with divider for 100 MHz	*/

/* 8 column SDRAM */
#define CFG_MAMR_8COL \
			((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE      |	\
			 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |	\
			 MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)

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

/*
 * JFFS2 partitions
 *
 */
/* No command line, one static partition, whole device */
#undef CONFIG_JFFS2_CMDLINE
#define CONFIG_JFFS2_DEV		"nor0"
#define CONFIG_JFFS2_PART_SIZE		0xFFFFFFFF
#define CONFIG_JFFS2_PART_OFFSET	0x00000000

/* mtdparts command line support */
/*
#define CONFIG_JFFS2_CMDLINE
#define MTDIDS_DEFAULT		""
#define MTDPARTS_DEFAULT	""
*/

#endif	/* __CONFIG_H */
Commit	Line	Data
8966f337 WD	1	/*
	2	* (C) Copyright 2000, 2001
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	* (C) Copyright 2001
	5	* Torsten Stevens, FHG IMS, stevens@ims.fhg.de
	6	* Bruno Achauer, Exet AG, bruno@exet-ag.de.
	7	*
	8	* See file CREDITS for list of people who contributed to this
	9	* project.
	10	*
	11	* This program is free software; you can redistribute it and/or
	12	* modify it under the terms of the GNU General Public License as
	13	* published by the Free Software Foundation; either version 2 of
	14	* the License, or (at your option) any later version.
	15	*
	16	* This program is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	* GNU General Public License for more details.
	20	*
	21	* You should have received a copy of the GNU General Public License
	22	* along with this program; if not, write to the Free Software
	23	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	24	* MA 02111-1307 USA
	25	*/
	26
	27	/*
	28	* board/config.h - configuration options, board specific
	29	* [derived from config_TQM850L.h]
	30	*/
	31
	32	#ifndef __CONFIG_H
	33	#define __CONFIG_H
	34
	35	/*
	36	* High Level Configuration Options
	37	* (easy to change)
	38	*/
	39
	40	#define CONFIG_MPC850 1 /* This is a MPC850 CPU */
	41	#define CONFIG_LANTEC 2 /* ...on a Lantec rev.2 board */
	42
	43	/*
	44	* Port assignments (CONFIG_LANTEC == 1):
	45	* - SMC1: J11 (MDB) ?
	46	* - SMC2: J6 (Feature connector)
	47	* - SCC2: J9 (RJ45)
	48	* - SCC3: J8 (Sub-D9)
	49	*
	50	* Port assignments (CONFIG_LANTEC == 2): TBD
	51	*/
	52
	53
	54	#undef CONFIG_8xx_CONS_SMC2 /* Console is on SMC2 */
	55	#define CONFIG_8xx_CONS_SCC3
	56	#undef CONFIG_8xx_CONS_NONE
	57	#define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */
	58	#if 0
	59	#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
	60	#else
	61	#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
	62	#endif
	63
	64	#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
65
66	#undef CONFIG_BOOTARGS
67	#define CONFIG_BOOTCOMMAND \
68	"setenv bootargs root=/dev/ram panic=5;bootm 40040000 400A0000"
69
70	#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
71	#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
72
73	#undef CONFIG_WATCHDOG /* watchdog disabled */
74
75	#define CONFIG_STATUS_LED 1 /* Status LED enabled */
76
77	#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT \| CONFIG_BOOTP_BOOTFILESIZE)
78
79	#define CONFIG_CMD_MINIMAL 0
80	#define CONFIG_CMD_TINY (CFG_CMD_FLASH \| \
81	CFG_CMD_MEMORY \| \
82	CFG_CMD_LOADS \| \
83	CFG_CMD_LOADB)
b79a11cc	84	#define CONFIG_CMD_NORMAL (CONFIG_CMD_DFL & ~CFG_CMD_BOOTD & ~CFG_CMD_REISER)
8966f337 WD	85	#define CONFIG_CMD_GDB (CONFIG_CMD_NORMAL \| CFG_CMD_KGDB)
8966f337 WD	86	#define CONFIG_CMD_FULL (CFG_CMD_ALL & ~CFG_CMD_BEDBUG \
824a1ebf	87	& ~CFG_CMD_BMP \
8966f337 WD	88	& ~CFG_CMD_BSP \
	89	& ~CFG_CMD_DOC \
	90	& ~CFG_CMD_DTT \
	91	& ~CFG_CMD_EEPROM \
	92	& ~CFG_CMD_ELF \
e2ffd59b	93	& ~CFG_CMD_EXT2 \
8966f337	94	& ~CFG_CMD_FDC \
2262cfee	95	& ~CFG_CMD_FDOS \
8966f337 WD	96	& ~CFG_CMD_HWFLOW \
	97	& ~CFG_CMD_I2C \
	98	& ~CFG_CMD_IDE \
	99	& ~CFG_CMD_IRQ \
	100	& ~CFG_CMD_JFFS2 \
	101	& ~CFG_CMD_KGDB \
	102	& ~CFG_CMD_MII \
71f95118	103	& ~CFG_CMD_MMC \
ac6dbb85	104	& ~CFG_CMD_NAND \
8966f337 WD	105	& ~CFG_CMD_PCI \
8966f337 WD	106	& ~CFG_CMD_PCMCIA \
b79a11cc	107	& ~CFG_CMD_REISER \
8966f337	108	& ~CFG_CMD_SCSI \
1d0350ed	109	& ~CFG_CMD_SPI \
e2ffd59b	110	& ~CFG_CMD_UNIVERSE\
8966f337	111	& ~CFG_CMD_USB \
48abe7bf WD	112	& ~CFG_CMD_VFD \
48abe7bf WD	113	& ~CFG_CMD_XIMG )
8966f337 WD	114
	115	#if CONFIG_LANTEC >= 2
	116	#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
	117	#endif
	118
	119	#if CONFIG_LANTEC >= 2
	120	# define CONFIG_COMMANDS CONFIG_CMD_FULL
	121	#else
	122	# define CONFIG_COMMANDS (CONFIG_CMD_FULL & ~CFG_CMD_DATE & ~CFG_CMD_NET)
	123	#endif
	124
	125	/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
	126	#include <cmd_confdefs.h>
	127
	128	/*
	129	* Miscellaneous configurable options
	130	*/
	131	#define CFG_LONGHELP /* undef to save memory */
	132	#define CFG_PROMPT "=> " /* Monitor Command Prompt */
	133	#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
	134	#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
	135	#else
	136	#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
	137	#endif
	138	#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
	139	#define CFG_MAXARGS 16 /* max number of command args */
	140	#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
	141
	142	#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
	143	#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
	144
	145	#define CFG_LOAD_ADDR 0x100000 /* default load address */
	146
	147	#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
	148
	149	#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
	150
	151	/*
	152	* Low Level Configuration Settings
	153	* (address mappings, register initial values, etc.)
	154	* You should know what you are doing if you make changes here.
	155	*/
	156	/*-----------------------------------------------------------------------
	157	* Internal Memory Mapped Register
	158	*/
	159	#define CFG_IMMR 0xFFF00000
	160
	161	/*-----------------------------------------------------------------------
	162	* Definitions for initial stack pointer and data area (in DPRAM)
	163	*/
	164	#define CFG_INIT_RAM_ADDR CFG_IMMR
	165	#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
	166	#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
	167	#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
	168	#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
	169
	170	/*-----------------------------------------------------------------------
	171	* Start addresses for the final memory configuration
	172	* (Set up by the startup code)
	173	* Please note that CFG_SDRAM_BASE _must_ start at 0
	174	*/
	175	#define CFG_SDRAM_BASE 0x00000000
	176	#define CFG_FLASH_BASE 0x40000000
	177	#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
178	#define CFG_MONITOR_BASE CFG_FLASH_BASE
179	#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
180
181	/*
182	* For booting Linux, the board info and command line data
183	* have to be in the first 8 MB of memory, since this is
184	* the maximum mapped by the Linux kernel during initialization.
185	*/
186	#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
187
188	/*-----------------------------------------------------------------------
189	* FLASH organization
190	*/
191	#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
192	#define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
193
194	#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
195	#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
196
197	#define CFG_ENV_IS_IN_FLASH 1
198	#define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
199	#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
200
201	/*-----------------------------------------------------------------------
202	* Cache Configuration
203	*/
204	#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
205	#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
206	#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
207	#endif
208
209	/*-----------------------------------------------------------------------
210	* SYPCR - System Protection Control 11-9
211	* SYPCR can only be written once after reset!
212	*-----------------------------------------------------------------------
213	* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
214	*/
215	#if defined(CONFIG_WATCHDOG)
216	#define CFG_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| \
217	SYPCR_SWE \| SYPCR_SWRI\| SYPCR_SWP)
218	#else
219	#define CFG_SYPCR (SYPCR_SWTC \| SYPCR_BMT \| SYPCR_BME \| SYPCR_SWF \| SYPCR_SWP)
220	#endif
221
222	/*-----------------------------------------------------------------------
223	* SIUMCR - SIU Module Configuration 11-6
224	*-----------------------------------------------------------------------
225	* PCMCIA config., multi-function pin tri-state
226	*/
227	#define CFG_SIUMCR (SIUMCR_DBGC00 \| SIUMCR_DBPC00 \| SIUMCR_MLRC01 \| SIUMCR_DLK)
228
229	/*-----------------------------------------------------------------------
230	* Clock Setting - Has the Lantec board a 32kHz clock ??? [XXX]
231	*-----------------------------------------------------------------------
232	*/
233	#define CONFIG_8xx_GCLK_FREQ 33000000
234
235	/*-----------------------------------------------------------------------
236	* TBSCR - Time Base Status and Control 11-26
237	*-----------------------------------------------------------------------
238	* Clear Reference Interrupt Status, Timebase freezing enabled
239	*/
240	#define CFG_TBSCR (TBSCR_REFA \| TBSCR_REFB \| TBSCR_TBF)
241
242	/*-----------------------------------------------------------------------
243	* RTCSC - Real-Time Clock Status and Control Register 11-27
244	*-----------------------------------------------------------------------
245	*/
246	#define CFG_RTCSC (RTCSC_SEC \| RTCSC_ALR \| RTCSC_RTF\| RTCSC_RTE)
247
248	/*-----------------------------------------------------------------------
249	* PISCR - Periodic Interrupt Status and Control 11-31
250	*-----------------------------------------------------------------------
251	* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
252	*/
253	#define CFG_PISCR (PISCR_PS \| PISCR_PITF)
254
255	/*-----------------------------------------------------------------------
256	* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
257	*-----------------------------------------------------------------------
258	* Reset PLL lock status sticky bit, timer expired status bit and timer
259	* interrupt status bit
260	*
261	* If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
262	*/
263	/* up to 50 MHz we use a 1:1 clock */
264	#define CFG_PLPRCR (PLPRCR_SPLSS \| PLPRCR_TEXPS \| PLPRCR_TMIST)
265
266	/*-----------------------------------------------------------------------
267	* SCCR - System Clock and reset Control Register 15-27
268	*-----------------------------------------------------------------------
269	* Set clock output, timebase and RTC source and divider,
270	* power management and some other internal clocks
271	*/
272	#define SCCR_MASK SCCR_EBDF11
273	/* up to 50 MHz we use a 1:1 clock */
274	#define CFG_SCCR (SCCR_TBS \| \
275	SCCR_COM00 \| SCCR_DFSYNC00 \| SCCR_DFBRG00 \| \
276	SCCR_DFNL000 \| SCCR_DFNH000 \| SCCR_DFLCD000 \| \
277	SCCR_DFALCD00)
278
279	/*-----------------------------------------------------------------------
280	*
281	*-----------------------------------------------------------------------
282	*
283	*/
8966f337 WD	284	#define CFG_DER 0
	285
	286	/*
	287	* Init Memory Controller:
	288	*
	289	* BR0/5 and OR0/5 (FLASH)
	290	*/
	291
	292	#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
	293	#define FLASH_BASE5_PRELIM 0x60000000 /* FLASH bank #1 */
	294
	295	/* used to re-map FLASH both when starting from SRAM or FLASH:
	296	* restrict access enough to keep SRAM working (if any)
	297	* but not too much to meddle with FLASH accesses
	298	*/
	299	#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
	300	#define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
	301
	302	/* FLASH timing */
	303	#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM \| OR_BI \| \
8bde7f77	304	OR_SCY_5_CLK \| OR_TRLX)
8966f337 WD	305
	306	#define CFG_OR0_REMAP (CFG_REMAP_OR_AM \| CFG_OR_TIMING_FLASH)
	307	#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM \| CFG_OR_TIMING_FLASH)
	308	#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) \| BR_V )
	309
	310	#define CFG_OR5_REMAP CFG_OR0_REMAP
	311	#define CFG_OR5_PRELIM CFG_OR0_PRELIM
	312	#define CFG_BR5_PRELIM ((FLASH_BASE5_PRELIM & BR_BA_MSK) \| BR_V )
	313
	314	/*
	315	* BR2/3 and OR2/3 (SDRAM)
	316	*
	317	*/
	318	#define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank #0 */
	319	#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
	320
	321	/* SDRAM timing: Multiplexed addresses */
	322	#define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM)
	323
	324	#define CFG_OR3_PRELIM (CFG_PRELIM_OR_AM \| CFG_OR_TIMING_SDRAM )
	325	#define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) \| BR_MS_UPMA \| BR_V )
	326
	327	/*
	328	* Memory Periodic Timer Prescaler
	329	*/
	330
	331	/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
	332	#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
	333	#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
	334
	335	/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
	336	#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
	337	#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
	338
	339	/*
	340	* MAMR settings for SDRAM
	341	*/
	342	/* periodic timer for refresh */
	343	#define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
	344
	345	/* 8 column SDRAM */
	346	#define CFG_MAMR_8COL \
	347	((CFG_MAMR_PTA << MAMR_PTA_SHIFT) \| MAMR_PTAE \| \
	348	MAMR_AMA_TYPE_0 \| MAMR_DSA_1_CYCL \| MAMR_G0CLA_A11 \| \
	349	MAMR_RLFA_1X \| MAMR_WLFA_1X \| MAMR_TLFA_4X)
	350
	351	/*
	352	* Internal Definitions
	353	*
	354	* Boot Flags
	355	*/
	356	#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
	357	#define BOOTFLAG_WARM 0x02 /* Software reboot */
	358
700a0c64 WD	359	/*
	360	* JFFS2 partitions
	361	*
	362	*/
	363	/* No command line, one static partition, whole device */
	364	#undef CONFIG_JFFS2_CMDLINE
	365	#define CONFIG_JFFS2_DEV "nor0"
	366	#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
	367	#define CONFIG_JFFS2_PART_OFFSET 0x00000000
	368
	369	/* mtdparts command line support */
	370	/*
	371	#define CONFIG_JFFS2_CMDLINE
	372	#define MTDIDS_DEFAULT ""
	373	#define MTDPARTS_DEFAULT ""
	374	*/
	375
8966f337	376	#endif /* __CONFIG_H */