yosemite.h

uboot详细解读可用启动引导LINUX2.6内核

/*
 * (C) Copyright 2005-2007
 * Stefan Roese, 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
 */

/************************************************************************
 * yosemite.h - configuration for Yosemite & Yellowstone boards
 ***********************************************************************/
#ifndef __CONFIG_H
#define __CONFIG_H

/*-----------------------------------------------------------------------
 * High Level Configuration Options
 *----------------------------------------------------------------------*/
/* This config file is used for Yosemite (440EP) and Yellowstone (440GR)*/
#ifndef CONFIG_YELLOWSTONE
#define CONFIG_440EP		1	/* Specific PPC440EP support	*/
#define CONFIG_HOSTNAME		yosemite
#else
#define CONFIG_440GR		1	/* Specific PPC440GR support	*/
#define CONFIG_HOSTNAME		yellowstone
#endif
#define CONFIG_440		1	/* ... PPC440 family		*/
#define CONFIG_4xx		1	/* ... PPC4xx family		*/
#define CONFIG_SYS_CLK_FREQ	66666666    /* external freq to pll	*/

/*
 * Include common defines/options for all AMCC eval boards
 */
#include "amcc-common.h"

#define CONFIG_BOARD_EARLY_INIT_F 1     /* Call board_early_init_f	*/
#define CONFIG_MISC_INIT_R	1	/* call misc_init_r()		*/
#define CONFIG_BOARD_RESET	1	/* call board_reset()		*/

/*-----------------------------------------------------------------------
 * Base addresses -- Note these are effective addresses where the
 * actual resources get mapped (not physical addresses)
 *----------------------------------------------------------------------*/
#define CFG_FLASH_BASE	        0xfc000000	    /* start of FLASH	*/
#define CFG_PCI_MEMBASE	        0xa0000000	    /* mapped pci memory*/
#define CFG_PCI_MEMBASE1        CFG_PCI_MEMBASE  + 0x10000000
#define CFG_PCI_MEMBASE2        CFG_PCI_MEMBASE1 + 0x10000000
#define CFG_PCI_MEMBASE3        CFG_PCI_MEMBASE2 + 0x10000000

/*Don't change either of these*/
#define CFG_PERIPHERAL_BASE     0xef600000	    /* internal peripherals*/
#define CFG_PCI_BASE	        0xe0000000	    /* internal PCI regs*/
/*Don't change either of these*/

#define CFG_USB_DEVICE          0x50000000
#define CFG_NVRAM_BASE_ADDR     0x80000000
#define CFG_BCSR_BASE	        (CFG_NVRAM_BASE_ADDR | 0x2000)
#define CFG_BOOT_BASE_ADDR      0xf0000000

/*-----------------------------------------------------------------------
 * Initial RAM & stack pointer (placed in SDRAM)
 *----------------------------------------------------------------------*/
#define CFG_INIT_RAM_DCACHE	1		/* d-cache as init ram	*/
#define CFG_INIT_RAM_ADDR	0x70000000		/* DCache       */
#define CFG_INIT_RAM_END	(4 << 10)
#define CFG_GBL_DATA_SIZE	256			/* num bytes initial data*/
#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET

/*-----------------------------------------------------------------------
 * Serial Port
 *----------------------------------------------------------------------*/
#define CFG_EXT_SERIAL_CLOCK	11059200 /* use external 11.059MHz clk	*/
/*define this if you want console on UART1*/
#undef CONFIG_UART1_CONSOLE

/*-----------------------------------------------------------------------
 * Environment
 *----------------------------------------------------------------------*/
/*
 * Define here the location of the environment variables (FLASH or EEPROM).
 * Note: DENX encourages to use redundant environment in FLASH.
 */
#if 1
#define CFG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars	*/
#else
#define CFG_ENV_IS_IN_EEPROM	1	/* use EEPROM for environment vars	*/
#endif

/*-----------------------------------------------------------------------
 * FLASH related
 *----------------------------------------------------------------------*/
#define CFG_FLASH_CFI				/* The flash is CFI compatible	*/
#define CFG_FLASH_CFI_DRIVER			/* Use common CFI driver	*/
#define CFG_FLASH_CFI_AMD_RESET 1		/* AMD RESET for STM 29W320DB!	*/

#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
#define CFG_MAX_FLASH_SECT	512	/* 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_FLASH_USE_BUFFER_WRITE 1	/* use buffered writes (20x faster)	*/

#define CFG_FLASH_EMPTY_INFO		/* print 'E' for empty sector on flinfo */

#ifdef CFG_ENV_IS_IN_FLASH
#define CFG_ENV_SECT_SIZE	0x20000	/* size of one complete sector		*/
#define CFG_ENV_ADDR		(CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
#define	CFG_ENV_SIZE		0x2000	/* Total Size of Environment Sector	*/

/* Address and size of Redundant Environment Sector	*/
#define CFG_ENV_ADDR_REDUND	(CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
#define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)
#endif /* CFG_ENV_IS_IN_FLASH */

/*-----------------------------------------------------------------------
 * DDR SDRAM
 *----------------------------------------------------------------------*/
#undef CONFIG_SPD_EEPROM	       /* Don't use SPD EEPROM for setup    */
#define CFG_KBYTES_SDRAM        (128 * 1024)    /* 128MB		    */
#define CFG_SDRAM_BANKS	        (2)

/*-----------------------------------------------------------------------
 * I2C
 *----------------------------------------------------------------------*/
#define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/

#define CFG_I2C_MULTI_EEPROMS
#define CFG_I2C_EEPROM_ADDR	(0xa8>>1)
#define CFG_I2C_EEPROM_ADDR_LEN 1
#define CFG_EEPROM_PAGE_WRITE_ENABLE
#define CFG_EEPROM_PAGE_WRITE_BITS 3
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10

#ifdef CFG_ENV_IS_IN_EEPROM
#define CFG_ENV_SIZE		0x200	    /* Size of Environment vars */
#define CFG_ENV_OFFSET		0x0
#endif /* CFG_ENV_IS_IN_EEPROM */

/* I2C SYSMON (LM75, AD7414 is almost compatible)			*/
#define CONFIG_DTT_LM75		1		/* ON Semi's LM75	*/
#define CONFIG_DTT_AD7414	1		/* use AD7414		*/
#define CONFIG_DTT_SENSORS	{0}		/* Sensor addresses	*/
#define CFG_DTT_MAX_TEMP	70
#define CFG_DTT_LOW_TEMP	-30
#define CFG_DTT_HYSTERESIS	3

/*
 * Default environment variables
 */
#define	CONFIG_EXTRA_ENV_SETTINGS					\
	CONFIG_AMCC_DEF_ENV						\
	CONFIG_AMCC_DEF_ENV_POWERPC					\
	CONFIG_AMCC_DEF_ENV_PPC_OLD					\
	CONFIG_AMCC_DEF_ENV_NOR_UPD					\
	"kernel_addr=fc000000\0"					\
	"ramdisk_addr=fc180000\0"					\
	""

#define CONFIG_HAS_ETH0		1	/* add support for "ethaddr"	*/
#define CONFIG_HAS_ETH1		1	/* add support for "eth1addr"	*/
#define CONFIG_PHY_ADDR		1	/* PHY address, See schematics	*/
#define CONFIG_PHY1_ADDR        3

/* Partitions */
#define CONFIG_MAC_PARTITION
#define CONFIG_DOS_PARTITION
#define CONFIG_ISO_PARTITION

#ifdef CONFIG_440EP
/* USB */
#define CONFIG_USB_OHCI_NEW
#define CONFIG_USB_STORAGE
#define CFG_OHCI_BE_CONTROLLER

#undef CFG_USB_OHCI_BOARD_INIT
#define CFG_USB_OHCI_CPU_INIT	1
#define CFG_USB_OHCI_REGS_BASE	(CFG_PERIPHERAL_BASE | 0x1000)
#define CFG_USB_OHCI_SLOT_NAME	"ppc440"
#define CFG_USB_OHCI_MAX_ROOT_PORTS	15

/* Comment this out to enable USB 1.1 device */
#define USB_2_0_DEVICE

#define CONFIG_SUPPORT_VFAT
#endif /* CONFIG_440EP */

#ifdef DEBUG
#define CONFIG_PANIC_HANG
#else
#define CONFIG_HW_WATCHDOG			/* watchdog */
#endif

/*
 * Commands additional to the ones defined in amcc-common.h
 */
#define CONFIG_CMD_DTT
#define CONFIG_CMD_PCI

#ifdef CONFIG_440EP
    #define CONFIG_CMD_USB
    #define CONFIG_CMD_FAT
    #define CONFIG_CMD_EXT2
#endif

/*-----------------------------------------------------------------------
 * PCI stuff
 *-----------------------------------------------------------------------
 */
/* General PCI */
#define CONFIG_PCI			/* include pci support	        */
#undef  CONFIG_PCI_PNP			/* do (not) pci plug-and-play   */
#define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup  */
#define CFG_PCI_TARGBASE        0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE*/

/* Board-specific PCI */
#define CFG_PCI_TARGET_INIT
#define CFG_PCI_MASTER_INIT

#define CFG_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC */
#define CFG_PCI_SUBSYS_ID       0xcafe	/* Whatever */

/*-----------------------------------------------------------------------
 * External Bus Controller (EBC) Setup
 *----------------------------------------------------------------------*/
#define CFG_FLASH		CFG_FLASH_BASE
#define CFG_CPLD		0x80000000

/* Memory Bank 0 (NOR-FLASH) initialization					*/
#define CFG_EBC_PB0AP		0x03017300
#define CFG_EBC_PB0CR		(CFG_FLASH | 0xda000)

/* Memory Bank 2 (CPLD) initialization						*/
#define CFG_EBC_PB2AP		0x04814500
#define CFG_EBC_PB2CR		(CFG_CPLD | 0x18000)

#define CFG_BCSR5_PCI66EN	0x80

#endif	/* __CONFIG_H */