rpxsuper.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！

#ifndef __CONFIG_H
#define __CONFIG_H


/*****************************************************************************
 *
 * These settings must match the way _your_ board is set up
 *
 *****************************************************************************/
/* for the AY-Revision which does not use the HRCW */
#define CFG_DEFAULT_IMMR	0x00010000

/* What is the oscillator's (UX2) frequency in Hz? */
#define CONFIG_8260_CLKIN  (66 * 1000 * 1000)

/* How is switch S2 set? We really only want the MODCK[1-3] bits, so
 * only the 3 least significant bits are important.
*/
#define CFG_SBC_S2  0x04

/* What should MODCK_H be? It is dependent on the oscillator
 * frequency, MODCK[1-3], and desired CPM and core frequencies.
 * Some example values (all frequencies are in MHz):
 *
 * MODCK_H   MODCK[1-3]  Osc    CPM    Core
 * 0x2       0x2         33     133    133
 * 0x2       0x4         33     133    200
 * 0x5       0x5         66     133    133
 * 0x5       0x7         66     133    200
 */
#define CFG_SBC_MODCK_H 0x06

#define CFG_SBC_BOOT_LOW 1	/* only for HRCW */
#undef CFG_SBC_BOOT_LOW

/* What should the base address of the main FLASH be and how big is
 * it (in MBytes)? This must contain TEXT_BASE from board/sbc8260/config.mk
 * The main FLASH is whichever is connected to *CS0. U-Boot expects
 * this to be the SIMM.
 */
#define CFG_FLASH0_BASE 0x80000000
#define CFG_FLASH0_SIZE 16

/* What should the base address of the secondary FLASH be and how big
 * is it (in Mbytes)? The secondary FLASH is whichever is connected
 * to *CS6. U-Boot expects this to be the on board FLASH. If you don't
 * want it enabled, don't define these constants.
 */
#define CFG_FLASH1_BASE 0
#define CFG_FLASH1_SIZE 0
#undef CFG_FLASH1_BASE
#undef CFG_FLASH1_SIZE

/* What should be the base address of SDRAM DIMM and how big is
 * it (in Mbytes)?
*/
#define CFG_SDRAM0_BASE 0x00000000
#define CFG_SDRAM0_SIZE 64

/* What should be the base address of SDRAM DIMM and how big is
 * it (in Mbytes)?
*/
#define CFG_SDRAM1_BASE 0x04000000
#define CFG_SDRAM1_SIZE 32

/* What should be the base address of the LEDs and switch S0?
 * If you don't want them enabled, don't define this.
 */
#define CFG_LED_BASE 0x00000000

/*
 * select serial console configuration
 *
 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
 * for SCC).
 *
 * if CONFIG_CONS_NONE is defined, then the serial console routines must
 * defined elsewhere.
 */
#define CONFIG_CONS_ON_SMC          /* define if console on SMC */
#undef  CONFIG_CONS_ON_SCC          /* define if console on SCC */
#undef  CONFIG_CONS_NONE            /* define if console on neither */
#define CONFIG_CONS_INDEX    1      /* which SMC/SCC channel for console */

/*
 * select ethernet configuration
 *
 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
 * for FCC)
 *
 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
 * from CONFIG_COMMANDS to remove support for networking.
 */
#undef  CONFIG_ETHER_ON_SCC           /* define if ethernet on SCC    */
#define CONFIG_ETHER_ON_FCC           /* define if ethernet on FCC    */
#undef  CONFIG_ETHER_NONE             /* define if ethernet on neither */
#define CONFIG_ETHER_INDEX      3     /* which SCC/FCC channel for ethernet */

#if ( CONFIG_ETHER_INDEX == 3 )

/*
 * - Rx-CLK is CLK15
 * - Tx-CLK is CLK16
 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
 * - Enable Half Duplex in FSMR
 */
# define CFG_CMXFCR_MASK	(CMXFCR_FC3|CMXFCR_RF3CS_MSK|CMXFCR_TF3CS_MSK)
# define CFG_CMXFCR_VALUE	(CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16)
# define CFG_CPMFCR_RAMTYPE	0
/*#define CFG_FCC_PSMR		(FCC_PSMR_FDE|FCC_PSMR_LPB) */
# define CFG_FCC_PSMR		0

#else /* CONFIG_ETHER_INDEX */
# error "on RPX Super ethernet must be FCC3"
#endif /* CONFIG_ETHER_INDEX */

#define CONFIG_HARD_I2C         1	/* I2C with hardware support	*/
#define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/
#define CFG_I2C_SLAVE		0x7F


/* Define this to reserve an entire FLASH sector (256 KB) for
 * environment variables. Otherwise, the environment will be
 * put in the same sector as U-Boot, and changing variables
 * will erase U-Boot temporarily
 */
#define CFG_ENV_IN_OWN_SECT

/* Define to allow the user to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE

/* What should the console's baud rate be? */
#define CONFIG_BAUDRATE         115200

/* Ethernet MAC address */
#define CONFIG_ETHADDR          08:00:22:50:70:63

#define CONFIG_IPADDR		192.168.1.99
#define CONFIG_SERVERIP         192.168.1.3

/* Set to a positive value to delay for running BOOTCOMMAND */
#define CONFIG_BOOTDELAY        -1

/* undef this to save memory */
#define CFG_LONGHELP

/* Monitor Command Prompt       */
#define CFG_PROMPT              "=> "

/* What U-Boot subsytems do you want enabled? */
#define CONFIG_COMMANDS         ( CONFIG_CMD_DFL | \
				  CFG_CMD_IMMAP  | \
				  CFG_CMD_ASKENV | \
				  CFG_CMD_ECHO   | \
				  CFG_CMD_I2C    | \
				  CFG_CMD_REGINFO & \
				 ~CFG_CMD_KGDB )

/* Where do the internal registers live? */
#define CFG_IMMR               0xF0000000

/* Where do the on board registers (CS4) live? */
#define CFG_REGS_BASE          0xFA000000

/*****************************************************************************
 *
 * You should not have to modify any of the following settings
 *
 *****************************************************************************/

#define CONFIG_MPC8260          1       /* This is an MPC8260 CPU   */
#define CONFIG_RPXSUPER         1       /* on an Embedded Planet RPX Super Board  */

#define CONFIG_BOARD_PRE_INIT	1	/* Call board_pre_init	*/

/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>

/*
 * Miscellaneous configurable options
 */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#  define CFG_CBSIZE              1024       /* Console I/O Buffer Size      */
#else
#  define CFG_CBSIZE              256        /* Console I/O Buffer Size      */
#endif

/* 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_MEMTEST_START 0x04000000   /* memtest works on  */
#define CFG_MEMTEST_END   0x06000000   /* 64-96 MB in SDRAM */

#define	CONFIG_CLOCKS_IN_MHZ	1	/* clocks passsed to Linux in MHz */

#define CFG_LOAD_ADDR     0x100000     /* default load address */
#define CFG_HZ            1000         /* decrementer freq: 1 ms ticks */

/* valid baudrates */
#define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }

/*
 * Low Level Configuration Settings
 * (address mappings, register initial values, etc.)
 * You should know what you are doing if you make changes here.
 */

#define CFG_FLASH_BASE    CFG_FLASH0_BASE
#define CFG_SDRAM_BASE    CFG_SDRAM0_BASE

/*-----------------------------------------------------------------------
 * Hard Reset Configuration Words
 */
#if defined(CFG_SBC_BOOT_LOW)
#  define  CFG_SBC_HRCW_BOOT_FLAGS  (HRCW_CIP | HRCW_BMS)
#else
#  define  CFG_SBC_HRCW_BOOT_FLAGS  (0)
#endif /* defined(CFG_SBC_BOOT_LOW) */

/* get the HRCW ISB field from CFG_IMMR */
#define CFG_SBC_HRCW_IMMR ( ((CFG_IMMR & 0x10000000) >> 10) |\
                            ((CFG_IMMR & 0x01000000) >> 7)  |\
                            ((CFG_IMMR & 0x00100000) >> 4) )

#define CFG_HRCW_MASTER (HRCW_BPS11                           |\
                         HRCW_DPPC11                          |\
                         CFG_SBC_HRCW_IMMR                    |\
                         HRCW_MMR00                           |\
                         HRCW_LBPC11                          |\
                         HRCW_APPC10                          |\
                         HRCW_CS10PC00                        |\
                         (CFG_SBC_MODCK_H & HRCW_MODCK_H1111) |\
                         CFG_SBC_HRCW_BOOT_FLAGS)

/* no slaves */
#define CFG_HRCW_SLAVE1 0
#define CFG_HRCW_SLAVE2 0
#define CFG_HRCW_SLAVE3 0
#define CFG_HRCW_SLAVE4 0
#define CFG_HRCW_SLAVE5 0
#define CFG_HRCW_SLAVE6 0
#define CFG_HRCW_SLAVE7 0

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM)
 */