cpci4052.h

AT91RM9200的完整启动代码：包括loader, boot及U-boot三部分均已编译通过！欢迎下载使用！

 * 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		0xFFFC0000
#define CFG_MONITOR_BASE	CFG_FLASH_BASE
#define CFG_MONITOR_LEN		(256 * 1024)	/* Reserve 256 kB for Monitor	*/
#define CFG_MALLOC_LEN		(128 * 1024)	/* 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	256	/* 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_WORD_SIZE     unsigned short  /* flash word size (width)      */
#define CFG_FLASH_ADDR0         0x5555  /* 1st address for flash config cycles  */
#define CFG_FLASH_ADDR1         0x2AAA  /* 2nd address for flash config cycles  */
/*
 * The following defines are added for buggy IOP480 byte interface.
 * All other boards should use the standard values (CPCI405 etc.)
 */
#define CFG_FLASH_READ0         0x0000  /* 0 is standard                        */
#define CFG_FLASH_READ1         0x0001  /* 1 is standard                        */
#define CFG_FLASH_READ2         0x0002  /* 2 is standard                        */

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

#define CFG_JFFS2_FIRST_BANK    0           /* use for JFFS2 */
#define CFG_JFFS2_NUM_BANKS     1           /* ! second bank contains U-Boot */

#if 0 /* Use NVRAM for environment variables */
/*-----------------------------------------------------------------------
 * NVRAM organization
 */
#define CFG_ENV_IS_IN_NVRAM	1	/* use NVRAM for environment vars	*/
#define CFG_ENV_SIZE		0x0ff8		/* Size of Environment vars	*/
#define CFG_ENV_ADDR		\
	(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-(CFG_ENV_SIZE+8))	/* Env	*/

#else /* Use EEPROM for environment variables */

#define CFG_ENV_IS_IN_EEPROM    1       /* use EEPROM for environment vars */
#define CFG_ENV_OFFSET          0x000   /* environment starts at the beginning of the EEPROM */
#define CFG_ENV_SIZE            0x800   /* 2048 bytes may be used for env vars*/
                                   /* total size of a CAT24WC16 is 2048 bytes */
#endif

#define CFG_NVRAM_BASE_ADDR	0xf0200000		/* NVRAM base address	*/
#define CFG_NVRAM_SIZE		(32*1024)		/* NVRAM size		*/
#define CFG_NVRAM_VXWORKS_OFFS	0x6900		/* Offset for VxWorks eth-addr	*/

/*-----------------------------------------------------------------------
 * I2C EEPROM (CAT24WC16) for environment
 */
#define CONFIG_HARD_I2C			/* I2c with hardware support */
#define CFG_I2C_SPEED		400000	/* I2C speed and slave address */
#define CFG_I2C_SLAVE		0x7F

#define CFG_I2C_EEPROM_ADDR	0x50	/* EEPROM CAT28WC08		*/
#define CFG_I2C_EEPROM_ADDR_LEN	1	/* Bytes of address		*/
/* mask of address bits that overflow into the "EEPROM chip address"    */
#define CFG_I2C_EEPROM_ADDR_OVERFLOW	0x07
#define CFG_EEPROM_PAGE_WRITE_BITS 4	/* The Catalyst CAT24WC08 has	*/
					/* 16 byte page write mode using*/
					/* last	4 bits of the address	*/
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	10   /* and takes up to 10 msec */
#define CFG_EEPROM_PAGE_WRITE_ENABLE

/*-----------------------------------------------------------------------
 * Cache Configuration
 */
#define CFG_DCACHE_SIZE		16384	/* For IBM 405 CPUs, older 405 ppc's    */
                                        /* have only 8kB, 16kB is save here     */
#define CFG_CACHELINE_SIZE	32	/* ...			*/
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value	*/
#endif

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

#define FLASH_BASE0_PRELIM	0xFF800000	/* FLASH bank #0	*/
#define FLASH_BASE1_PRELIM	0xFFC00000	/* FLASH bank #1	*/

/*-----------------------------------------------------------------------
 * External Bus Controller (EBC) Setup
 */

/* Memory Bank 0 (Flash Bank 0) initialization                                  */
#define CFG_EBC_PB0AP           0x92015480
#define CFG_EBC_PB0CR           0xFFC5A000  /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */

/* Memory Bank 1 (Flash Bank 1) initialization                                  */
#define CFG_EBC_PB1AP           0x92015480
#define CFG_EBC_PB1CR           0xFF85A000  /* BAS=0xFF8,BS=4MB,BU=R/W,BW=16bit */

/* Memory Bank 2 (CAN0, 1) initialization                                       */
#define CFG_EBC_PB2AP           0x010053C0  /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
#define CFG_EBC_PB2CR           0xF0018000  /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit  */
#define CFG_LED_ADDR            0xF0000380

/* Memory Bank 3 (CompactFlash IDE) initialization                              */
#define CFG_EBC_PB3AP           0x010053C0  /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
#define CFG_EBC_PB3CR           0xF011A000  /* BAS=0xF01,BS=1MB,BU=R/W,BW=16bit */

/* Memory Bank 4 (NVRAM/RTC) initialization                                     */
/*#define CFG_EBC_PB4AP           0x01805280  / * TWT=3,WBN=1,WBF=1,TH=1,SOR=1     */
#define CFG_EBC_PB4AP           0x01805680  /* TWT=3,WBN=1,WBF=1,TH=3,SOR=1     */
#define CFG_EBC_PB4CR           0xF0218000  /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit  */

/* Memory Bank 5 (optional Quart) initialization                                */
#define CFG_EBC_PB5AP           0x04005B80  /* TWT=8,WBN=1,WBF=1,TH=5,RE=1,SOR=1*/
#define CFG_EBC_PB5CR           0xF0318000  /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit  */

/* Memory Bank 6 (FPGA internal) initialization                                 */
#define CFG_EBC_PB6AP           0x010053C0  /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
#define CFG_EBC_PB6CR           0xF041A000  /* BAS=0xF01,BS=1MB,BU=R/W,BW=16bit */
#define CFG_FPGA_BASE_ADDR      0xF0400000

/*-----------------------------------------------------------------------
 * FPGA stuff
 */
/* FPGA internal regs */
#define CFG_FPGA_MODE           0x00
#define CFG_FPGA_STATUS         0x02
#define CFG_FPGA_TS             0x04
#define CFG_FPGA_TS_LOW         0x06
#define CFG_FPGA_TS_CAP0        0x10
#define CFG_FPGA_TS_CAP0_LOW    0x12
#define CFG_FPGA_TS_CAP1        0x14
#define CFG_FPGA_TS_CAP1_LOW    0x16
#define CFG_FPGA_TS_CAP2        0x18
#define CFG_FPGA_TS_CAP2_LOW    0x1a
#define CFG_FPGA_TS_CAP3        0x1c
#define CFG_FPGA_TS_CAP3_LOW    0x1e

/* FPGA Mode Reg */
#define CFG_FPGA_MODE_CF_RESET      0x0001
#define CFG_FPGA_MODE_DUART_RESET   0x0002
#define CFG_FPGA_MODE_ENABLE_OUTPUT 0x0004     /* only set on CPCI-405 Ver 3 */
#define CFG_FPGA_MODE_TS_IRQ_ENABLE 0x0100
#define CFG_FPGA_MODE_TS_IRQ_CLEAR  0x1000
#define CFG_FPGA_MODE_TS_CLEAR      0x2000

/* FPGA Status Reg */
#define CFG_FPGA_STATUS_DIP0    0x0001
#define CFG_FPGA_STATUS_DIP1    0x0002
#define CFG_FPGA_STATUS_DIP2    0x0004
#define CFG_FPGA_STATUS_FLASH   0x0008
#define CFG_FPGA_STATUS_TS_IRQ  0x1000

#define CFG_FPGA_SPARTAN2       1           /* using Xilinx Spartan 2 now    */
#define CFG_FPGA_MAX_SIZE       32*1024     /* 32kByte is enough for XC2S15  */

/* FPGA program pin configuration */
#define CFG_FPGA_PRG            0x04000000  /* FPGA program pin (ppc output) */
#define CFG_FPGA_CLK            0x02000000  /* FPGA clk pin (ppc output)     */
#define CFG_FPGA_DATA           0x01000000  /* FPGA data pin (ppc output)    */
#define CFG_FPGA_INIT           0x00010000  /* FPGA init pin (ppc input)     */
#define CFG_FPGA_DONE           0x00008000  /* FPGA done pin (ppc input)     */

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in data cache)
 */
#define CFG_INIT_DCACHE_CS      7       /* use cs # 7 for data cache memory    */

#define CFG_INIT_RAM_ADDR       0x40000000  /* use data cache                  */
#define CFG_INIT_RAM_END        0x2000  /* End of used area in RAM             */
#define CFG_GBL_DATA_SIZE      128  /* 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


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

#endif	/* __CONFIG_H */