sbc8240.h

u-boot-1.1.6 源码包

/*
 * (C) Copyright 2001
 * Wolfgang Denk, DENX Software Engineering, [e-mail].
 *
 * 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 sbc8240 board.
 */

/* ------------------------------------------------------------------------- */

/*
 * 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_MPC8240		1
#define CONFIG_WRSBC8240	1

#define CONFIG_CONS_INDEX	1
#define CONFIG_BAUDRATE		9600
#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }

#define CONFIG_PREBOOT  "echo;echo Welcome to U-Boot for the sbc8240;echo;echo Type \"? or help\" to get on-line help;echo"

#undef CONFIG_BOOTARGS

#define CONFIG_BOOTCOMMAND	"version;echo;tftpboot $loadaddr $loadfile;bootvx"	/* autoboot command	*/

#define CONFIG_EXTRA_ENV_SETTINGS \
	"bootargs=$fei(0,0)host:/T221ppc/target/config/sbc8240/vxWorks.st " \
	       "e=192.168.193.102 h=192.168.193.99 u=target pw=hello f=0x08 " \
	       "tn=sbc8240 o=fei \0" \
	"env_startaddr=FFF70000\0" \
	"env_endaddr=FFF7FFFF\0" \
	"loadfile=vxWorks.st\0" \
	"loadaddr=0x01000000\0" \
	"net_load=tftpboot $loadaddr $loadfile\0" \
	"uboot_startaddr=FFF00000\0" \
	"uboot_endaddr=FFF3FFFF\0" \
	"update=tftp $loadaddr /u-boot.bin;" \
		"protect off $uboot_startaddr $uboot_endaddr;" \
		"era $uboot_startaddr $uboot_endaddr;" \
		"cp.b $loadaddr $uboot_startaddr $filesize;" \
		"protect on $uboot_startaddr $uboot_endaddr\0" \
	"zapenv=protect off $env_startaddr $env_endaddr;" \
		"era $env_startaddr $env_endaddr;" \
		"protect on $env_startaddr $env_endaddr\0"

#define CONFIG_BOOTDELAY	5

#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)

#define CONFIG_ENV_OVERWRITE

#define CONFIG_COMMANDS	( CONFIG_CMD_DFL | \
				  CFG_CMD_BSP    | \
				  CFG_CMD_DIAG   | \
				  CFG_CMD_ELF    | \
				  CFG_CMD_ENV    | \
				  CFG_CMD_FLASH  | \
				  CFG_CMD_PCI    | \
				  CFG_CMD_PING   | \
				  CFG_CMD_SDRAM  | \
				  0 )

/* 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	*/
#define CFG_CBSIZE	256		/* Console I/O Buffer Size	*/

#if 1
#define CFG_HUSH_PARSER		1	/* use "hush" command parser	*/
#endif
#ifdef CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2	"> "
#endif

#define CONFIG_ETHADDR          DE:AD:BE:EF:01:01    /* Ethernet address */
#define CONFIG_IPADDR           192.168.193.102
#define CONFIG_NETMASK          255.255.255.248
#define CONFIG_SERVERIP         192.168.193.99

#define CONFIG_STATUS_LED               /* Status LED enabled           */
#define CONFIG_BOARD_SPECIFIC_LED       /* version has board specific leds */

#define STATUS_LED_BIT          0x00000001
#define STATUS_LED_PERIOD       (CFG_HZ / 2)
#define STATUS_LED_STATE        STATUS_LED_BLINKING
#define STATUS_LED_ACTIVE       0       /* LED on for bit == 0  */
#define STATUS_LED_BOOT         0       /* LED 0 used for boot status */

#ifndef __ASSEMBLY__
/* LEDs */
typedef unsigned int led_id_t;

#define __led_toggle(_msk) \
	do { \
		*((volatile char *) (CFG_LED_BASE)) ^= (_msk); \
	} while(0)

#define __led_set(_msk, _st) \
	do { \
		if ((_st)) \
			*((volatile char *) (CFG_LED_BASE)) |= (_msk); \
		else \
			*((volatile char *) (CFG_LED_BASE)) &= ~(_msk); \
	} while(0)

#define __led_init(msk, st) __led_set(msk, st)

#endif

#define CONFIG_MISC_INIT_R
#define CFG_LED_BASE	0xFFE80000

/* Print Buffer Size
 */
#define CFG_PBSIZE	(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)

#define CFG_MAXARGS	16		/* max number of command args	*/
#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size	*/
#define CFG_LOAD_ADDR	0x00100000	/* Default load address		*/

/*-----------------------------------------------------------------------
 * 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	    0xFFF00000

#define CFG_RESET_ADDRESS   0xFFF00100

#define CFG_EUMB_ADDR	    0xFCE00000

#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    0x10000000

#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
#undef CFG_RAMBOOT
#else
#define CFG_RAMBOOT
#endif

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area
 */

	/* Size in bytes reserved for initial data
	 */
#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)

/*
 * NS16550 Configuration
 */
#define CFG_NS16550
#define CFG_NS16550_SERIAL

#define CFG_NS16550_REG_SIZE	1

#define CFG_NS16550_CLK		3686400

#define CFG_NS16550_COM1	0xFFF80000

/*
 * 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  33000000
#define CFG_HZ		     1000
#define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 3

	/* Bit-field values for MCCR1.
	 */
#define CFG_ROMNAL	    0
#define CFG_ROMFAL	    7

	/* Bit-field values for MCCR2.
	 */
#define CFG_REFINT	    430	    /* Refresh interval			*/

	/* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
	 */
#define CFG_BSTOPRE	    192

	/* Bit-field values for MCCR3.
	 */
#define CFG_REFREC	    2	    /* Refresh to activate interval	*/
#define CFG_RDLAT	    3	    /* Data latancy from read command	*/

	/* Bit-field values for MCCR4.
	 */
#define CFG_PRETOACT	    2	    /* Precharge to activate interval	*/
#define CFG_ACTTOPRE	    5	    /* Activate to Precharge interval	*/
#define CFG_SDMODE_CAS_LAT  2	    /* SDMODE CAS latancy		*/
#define CFG_SDMODE_WRAP	    0	    /* SDMODE wrap type			*/
#define CFG_SDMODE_BURSTLEN 2	    /* SDMODE Burst length		*/
#define CFG_ACTORW	    2
#define CFG_REGISTERD_TYPE_BUFFER 1

/* 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  (0xFC000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
#define CFG_IBAT3U  (0xFC000000 | BATU_BL_64M | 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	256	/* Max number of sectors in one bank	*/

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

/*
 * Init Memory Controller:
 *
 * BR0/1 and OR0/1 (FLASH)
 */

#define FLASH_BASE0_PRELIM      CFG_FLASH_BASE  /* FLASH bank #0        */
#define FLASH_BASE1_PRELIM      0               /* FLASH bank #1        */

	/* 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		0xFFF70000
#define CFG_ENV_SIZE		0x4000	/* Size of the Environment		*/
#define CFG_ENV_OFFSET		0	/* starting right at the beginning	*/
#define CFG_ENV_SECT_SIZE	0x40000 /* 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			*/

/*-----------------------------------------------------------------------
 * PCI stuff
 *-----------------------------------------------------------------------
 */
#define CONFIG_PCI			/* include pci support			*/
#define CONFIG_PCI_PNP                  /* we need Plug 'n Play */
#define CONFIG_NET_MULTI		/* Multi ethernet cards support */
#define CONFIG_TULIP
#define CONFIG_EEPRO100
#define CFG_RX_ETH_BUFFER	8       /* use 8 rx buffer on eepro100  */
#endif /* __CONFIG_H */