/* * (C) Copyright 2001, 2002, 2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA *//* ------------------------------------------------------------------------- *//* * Configuration settings for the A-3000 board (Artis Microsystems Inc.). * http://artismicro.com *//* ------------------------------------------------------------------------- *//* * board/config.h - configuration options, board specific */#ifndef __CONFIG_H#define __CONFIG_H/* * High Level Configuration Options * (easy to change) */#define CONFIG_MPC824X		1#define CONFIG_MPC8245		1#define CONFIG_A3000		1#define CONFIG_CONS_INDEX	1#define CONFIG_BAUDRATE		9600#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }#define CONFIG_BOOTDELAY	5#if 0#define CONFIG_COMMANDS		( CONFIG_CMD_DFL | \				  CFG_CMD_BEDBUG | \				  CFG_CMD_BSP    | \				  CFG_CMD_ELF    | \				  CFG_CMD_I2C 	 | \				  CFG_CMD_FLASH | \				  CFG_CMD_BEDBUG | \				  CFG_CMD_NET    | \				  CFG_CMD_PCI )#endif#define CONFIG_COMMANDS		( CONFIG_CMD_DFL )/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) 	*/#include <cmd_confdefs.h>/* * Miscellaneous configurable options */#undef CFG_LONGHELP			/* undef to save memory		*/#define CFG_PROMPT	"A3000> "		/* Monitor Command Prompt	*/#define CFG_CBSIZE	256		/* Console I/O Buffer Size	*//* Print Buffer Size */#define CFG_PBSIZE	(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)#define CFG_MAXARGS	8		/* Max number of command args	*/#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size	*/#define CFG_LOAD_ADDR	0x00400000	/* Default load address		*//*----------------------------------------------------------------------- * PCI stuff *----------------------------------------------------------------------- */#define CONFIG_HARD_I2C		1		/* To enable I2C support	*/#undef  CONFIG_SOFT_I2C				/* I2C bit-banged		*/#define CFG_I2C_SPEED		400000		/* I2C speed and slave address	*/#define CFG_I2C_SLAVE		0x7F/*----------------------------------------------------------------------- * PCI stuff *----------------------------------------------------------------------- */#define CONFIG_PCI      		/* include pci support          */#undef CONFIG_PCI_PNP#define CONFIG_PCI_SCAN_SHOW    /* print pci devices @ startup  */#define CONFIG_NET_MULTI		/* Multi ethernet cards support *//* #define CONFIG_TULIP *//* #define CONFIG_EEPRO100 */#define CONFIG_NATSEMI#define PCI_ENET0_IOADDR		0x80000000#define PCI_ENET0_MEMADDR		0x80000000#define PCI_ENET1_IOADDR		0x81000000#define PCI_ENET1_MEMADDR		0x81000000#define PCI_ENET2_IOADDR		0x82000000#define PCI_ENET2_MEMADDR		0x82000000#define PCI_ENET3_IOADDR		0x83000000#define PCI_ENET3_MEMADDR		0x83000000/*----------------------------------------------------------------------- * 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_BASE0_PRELIM      0xFF000000      /* FLASH bank on RCS#0 */#define CFG_FLASH_BASE1_PRELIM      0xFF000000      /* FLASH bank on RCS#1 */#define CFG_FLASH_BASE  			CFG_FLASH_BASE0_PRELIM#define CFG_FLASH_BANKS			{ CFG_FLASH_BASE0_PRELIM }/* even though FLASHP_BASE is FF800000, with 4MB is RCS0, the * reset vector is actually located at FFB00100, but the 8245 * takes care of us. */#define CFG_RESET_ADDRESS   0xFFF00100#define CFG_EUMB_ADDR	    0xFC000000#define CFG_MONITOR_BASE    TEXT_BASE#define CFG_MONITOR_LEN	    (256 << 10) /* Reserve 256 kB for Monitor	*/#define CFG_MALLOC_LEN	    (128 << 10) /* Reserve 128 kB for malloc()	*/#define CFG_MEMTEST_START   0x00004000	/* memtest works on		*/#define CFG_MEMTEST_END	    0x02000000	/* 0 ... 32 MB in DRAM		*/	/* Maximum amount of RAM.	 */#define CFG_MAX_RAM_SIZE    0x04000000	/* 0 .. 128 MB of (S)DRAM */#if CFG_MONITOR_BASE >= CFG_FLASH_BASE#undef CFG_RAMBOOT#else#define CFG_RAMBOOT#endif/* * NS16550 Configuration */#define CFG_NS16550#define CFG_NS16550_SERIAL#define CFG_NS16550_REG_SIZE	1#define CFG_NS16550_CLK		get_bus_freq(0)#define CFG_NS16550_COM1	(CFG_EUMB_ADDR + 0x4500)#define CFG_NS16550_COM2	(CFG_EUMB_ADDR + 0x4600)/*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area *//* #define CFG_MONITOR_BASE        TEXT_BASE *//*#define CFG_GBL_DATA_SIZE    256*/#define CFG_GBL_DATA_SIZE      128#define CFG_INIT_RAM_ADDR     0x40000000#define CFG_INIT_RAM_END      0x1000#define CFG_GBL_DATA_OFFSET  (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)/* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. * For the detail description refer to the MPC8240 user's manual. */#define CONFIG_SYS_CLK_FREQ  33333333	/* external frequency to pll */#define CFG_HZ		     1000	/* Bit-field values for MCCR1.	 */#define CFG_ROMNAL	    7#define CFG_ROMFAL	    11#define CFG_DBUS_SIZE       0x3	/* Bit-field values for MCCR2.	 */#define CFG_TSWAIT	    0x5		    /* Transaction Start Wait States timer */#define CFG_REFINT	    0x400	    /* Refresh interval	FIXME: was 0t430		*/	/* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.	 */#define CFG_BSTOPRE	    121	/* Bit-field values for MCCR3.	 */#define CFG_REFREC	    8	    /* Refresh to activate interval */	/* Bit-field values for MCCR4.	 */#define CFG_PRETOACT	    3	    /* Precharge to activate interval FIXME: was 2	*/#define CFG_ACTTOPRE	    5	    /* Activate to Precharge interval FIXME: was 5	*/#define CFG_ACTORW	    3		/* FIXME was 2 */#define CFG_SDMODE_CAS_LAT  3	    /* SDMODE CAS latancy */#define CFG_SDMODE_WRAP	    0	    /* SDMODE wrap type	*/#define CFG_REGISTERD_TYPE_BUFFER 1#define CFG_EXTROM	    1#define CFG_REGDIMM	    0#define CFG_PGMAX           0x32 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/#define CFG_SDRAM_DSCD	0x20	/* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 *//* Memory bank settings. * Only bits 20-29 are actually used from these vales to set the * start/end addresses. The upper two bits will always be 0, and the lower * 20 bits will be 0x00000 for a start address, or 0xfffff for an end * address. Refer to the MPC8240 book. */#define CFG_BANK0_START	    0x00000000#define CFG_BANK0_END	    (CFG_MAX_RAM_SIZE - 1)#define CFG_BANK0_ENABLE    1#define CFG_BANK1_START	    0x3ff00000#define CFG_BANK1_END	    0x3fffffff#define CFG_BANK1_ENABLE    0#define CFG_BANK2_START	    0x3ff00000#define CFG_BANK2_END	    0x3fffffff#define CFG_BANK2_ENABLE    0#define CFG_BANK3_START	    0x3ff00000#define CFG_BANK3_END	    0x3fffffff#define CFG_BANK3_ENABLE    0#define CFG_BANK4_START	    0x3ff00000#define CFG_BANK4_END	    0x3fffffff#define CFG_BANK4_ENABLE    0#define CFG_BANK5_START	    0x3ff00000#define CFG_BANK5_END	    0x3fffffff#define CFG_BANK5_ENABLE    0#define CFG_BANK6_START	    0x3ff00000#define CFG_BANK6_END	    0x3fffffff#define CFG_BANK6_ENABLE    0#define CFG_BANK7_START	    0x3ff00000#define CFG_BANK7_END	    0x3fffffff#define CFG_BANK7_ENABLE    0#define CFG_ODCR	    0xff#define CFG_IBAT0L  (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)#define CFG_IBAT0U  (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)#define CFG_IBAT1L  (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)#define CFG_IBAT1U  (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)#define CFG_IBAT2L  (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)#define CFG_IBAT2U  (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)#define CFG_IBAT3L  (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)#define CFG_IBAT3U  (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)#define CFG_DBAT0L  CFG_IBAT0L#define CFG_DBAT0U  CFG_IBAT0U#define CFG_DBAT1L  CFG_IBAT1L#define CFG_DBAT1U  CFG_IBAT1U#define CFG_DBAT2L  CFG_IBAT2L#define CFG_DBAT2U  CFG_IBAT2U#define CFG_DBAT3L  CFG_IBAT3L#define CFG_DBAT3U  CFG_IBAT3U/* * 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 flash banks		*/#define CFG_MAX_FLASH_SECT	128	/* Max number of sectors per flash	*/#define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms) */#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms) */	/* Warining: environment is not EMBEDDED in the U-Boot code.	 * It's stored in flash separately.	 */#define CFG_ENV_IS_IN_FLASH	    1#define CFG_ENV_ADDR		0xFFFE0000#define CFG_ENV_SIZE		0x00020000 /* Size of the Environment		*/#define CFG_ENV_SECT_SIZE	0x00020000 /* Size of the Environment Sector	*//*----------------------------------------------------------------------- * Cache Configuration */#define CFG_CACHELINE_SIZE	32#if (CONFIG_COMMANDS & CFG_CMD_KGDB)#  define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value	*/#endif/* * Internal Definitions * * Boot Flags */#define BOOTFLAG_COLD		0x01	/* Normal Power-On: Boot from FLASH	*/#define BOOTFLAG_WARM		0x02	/* Software reboot			*/#endif	/* __CONFIG_H */