config.h

motorola 8260 CPU上面

/* 8260pc/config.h - Motorola MPC8260 processor card configuration header */

/*
modification history
--------------------
Dec. 15, 2000 created by sjzhu
Oct. 24, 2001 modified by shirley
*/

/*
This file contains the configuration parameters for the
Motorola MPC8260 processor card.
*/

#ifndef	INCconfigh
#define	INCconfigh

/* BSP version/revision identification, should be placed
 * before #include "configAll.h"
 */

#define BSP_VER_1_1     1
#define BSP_VER_1_2     1
/* 8260pc */
/* #define BSP_VERSION     "1.2"*/
/* #define BSP_REV         "/4  (c) ESDL(Beijing), 2000"*/ /* 0 for the first bsp revision */
#define BSP_VERSION     "1.3"
#define BSP_REV         "/4  (c) NCSD, 2001" /* 0 for the first bsp revision */

#include "configAll.h"

#define DEFAULT_BOOT_LINE \
"motfcc(0,0)niubq:vxWorks h=168.1.2.8 e=168.1.2.223 u=vxworks pw=vxworks" 
/* "motfcc(0,0)kevin:vxWorks.8260pc h=192.168.247.97 e=192.168.247.227 u=ftp pw=foo" */
/* "motfcc(0,0)johnson:vxWorks h=192.168.247.147 e=192.168.247.227 u=8260pc pw=8260pc" */
 

#define USER_I_MMU_ENABLE
#define USER_D_MMU_ENABLE
#define INCLUDE_MMU_BASIC

#define USER_I_CACHE_ENABLE
#define USER_D_CACHE_ENABLE
#define INCLUDE_CACHE_SUPPORT

#undef INCLUDE_WINDVIEW

/* Number of TTY definition */

#undef	NUM_TTY
#define	NUM_TTY		N_SIO_CHANNELS		/* defined in 8260pc.h */

/* Optional timestamp support */

#undef	INCLUDE_TIMESTAMP

/* optional TrueFFS support */

#undef  INCLUDE_TFFS

#ifdef INCLUDE_TFFS
#define INCLUDE_DOSFS		/* dosFs file system */
#define INCLUDE_SHOW_ROUTINES	/* show routines for system facilities*/
#endif /* INCLUDE_DOSFS */

/* clock rates */

#define	SYS_CLK_RATE_MIN	1	/* minimum system clock rate */
#define	SYS_CLK_RATE_MAX	8000	/* maximum system clock rate */
#define	AUX_CLK_RATE_MIN	1	/* minimum auxiliary clock rate */
#define	AUX_CLK_RATE_MAX	8000	/* maximum auxiliary clock rate */

/*
 * Crystal Frequency - This macro defines the input oscillator frequency
 * (labeled SYSCLK on the MPC8260 ADS board) clocking the PPC8260. 
 */
 
/* 8260pc */
/* #define CRYSTAL_FREQ		40000000		   40 Mhz */
#define CRYSTAL_FREQ		50000000		/* 66 Mhz */

/*
 * DRAM refresh frequency - This macro defines the DRAM refresh frequency.
 * e.i: A DRAM with 1024 rows to refresh in 16ms: 
 * DRAM_REFRESH_FREQ = 1024/ 16E-3 = 64E3 hz
 */

#define DRAM_REFRESH_FREQ	64000			/* 64 kHz */

/*
 * Baud Rate Generator division factor - 0 for division by 1
 *					 1 for division by 4
 *					 2 for division by 16
 *					 3 for division by 64
 */

#define BRGCLK_DIV_FACTOR  0

/* add necessary drivers */

#define INCLUDE_END

#ifdef  INCLUDE_NETWORK
#   define INCLUDE_MOT_FCC              /* include the FCC ethernet driver */
#endif
 
#ifdef INCLUDE_MOT_FCC
#ifndef INCLUDE_END
#   define INCLUDE_END                  /* only END-style driver for FCC */
#endif /* INCLUDE_END */
#endif /* INCLUDE_MOT_FCC */
 
/* remove unnecessary drivers */

#undef INCLUDE_BP
#undef INCLUDE_EX
#undef INCLUDE_ENP
#undef INCLUDE_SM_NET
#undef INCLUDE_SM_SEQ_ADD

#define FLASH_ADRS              0xfff00000      /* base address of flash */
#define FLASH_WIDTH             2
#define FLASH_SIZE              0x00200000      /* 2 Mbytes total flash size */
#define FLASH_SIZE_WRITEABLE    0x00100000
#define FLASH_MEM_TYPE          FLASH_28F016    /* flash device type */

#define NV_RAM_SIZE             NONE            /* no NVRAM */
 
/* Memory addresses */
 
#define LOCAL_MEM_SIZE          0x02000000      /* 32 Mbyte memory available */
#define LOCAL_MEM_LOCAL_ADRS    0x00000000      /* Base of RAM */

/* 8260pc */ 
#define LOCAL_BUS_MEM_SIZE          0x01000000      /* 16 Mbyte Local Bus memory available */
#define LOCAL_BUS_MEM_LOCAL_ADRS    0x02000000      /* Base of Local Bus RAM */
 
/*
 * The constants ROM_TEXT_ADRS, ROM_SIZE, and RAM_HIGH_ADRS are defined
 * in config.h, MakeSkel, Makefile, and Makefile.*
 * All definitions for these constants must be identical.
 */
 
#define ROM_BASE_ADRS           FLASH_ADRS      /* base address of ROM */
#define ROM_TEXT_ADRS           ROM_BASE_ADRS + 0x100 
#define ROM_SIZE                FLASH_SIZE_WRITEABLE      /* ROM space */
#define ROM_WARM_ADRS           (ROM_TEXT_ADRS+8) /* warm reboot entry */

/* RAM address for ROM boot */
#define RAM_HIGH_ADRS           (LOCAL_MEM_LOCAL_ADRS + 0x00300000)
 
/* RAM address for sys image */
#define RAM_LOW_ADRS            (LOCAL_MEM_LOCAL_ADRS + 0x00010000)
 
#define USER_RESERVED_MEM	0x00000000	/* user reserved memory size */

#if 0
/* Address and size of the Board Control and Status Register space */
#define DEFAULT_BCSRS_ADRS      0x04500000
#define BCSRS_SIZE              0x00010000      /* 64K of address space */
#endif

/* Address and size of MPC8260 Internal Memory Map */

#define DEFAULT_IMM_ADRS        0x04700000    /* 8260PC: please change 8260pc.h IMMR_ADDRESS_RESET_VALUE accordingly */
#define IMM_SIZE                0x00020000      /* 128K of address space */

/* Hard Reset Configuration Words */

#define HRCW_BYTE_0             0x18    /* 16 bit boot port, Inital prefix = FFFn_nnnn, 60x Bus Mode*/
#define HRCW_BYTE_1             0xB2    /* IMMR[0-14] = 0x0F00_0000 */
#define HRCW_BYTE_2             0x02    /* boot space = 0xFE00_0000 - 0xFFFF_FFFF */
#define HRCW_BYTE_3             0x05    /* MODCK_H = 0101 */

/*
 * Default power management mode - selected via vxPowerModeSet() in
 * sysHwInit().
 */

#define DEFAULT_POWER_MGT_MODE  VX_POWER_MODE_DISABLE

#include "8260pc.h"			/* include the ads8260 params */
#endif	/* INCconfigh */
#if defined(PRJ_BUILD)
#include "prjParams.h"
#endif