mpc832xemds.h

U-boot源码 ARM7启动代码

#define CONFIG_CMDLINE_EDITING	1	/* add command line history	*/
/* Use the HUSH parser */
#define CFG_HUSH_PARSER
#ifdef CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#endif

/* pass open firmware flat tree */
#define CONFIG_OF_LIBFDT	1
#define CONFIG_OF_BOARD_SETUP	1

#define OF_CPU			"PowerPC,8323@0"
#define OF_SOC			"soc8323@e0000000"
#define OF_QE			"qe@e0100000"
#define OF_TBCLK		(bd->bi_busfreq / 4)
#define OF_STDOUT_PATH		"/soc8323@e0000000/serial@4500"

/* I2C */
#define CONFIG_HARD_I2C		/* I2C with hardware support */
#undef CONFIG_SOFT_I2C		/* I2C bit-banged */
#define CONFIG_FSL_I2C
#define CFG_I2C_SPEED	400000	/* I2C speed and slave address */
#define CFG_I2C_SLAVE	0x7F
#define CFG_I2C_NOPROBES	{0x51}	/* Don't probe these addrs */
#define CFG_I2C_OFFSET	0x3000

/*
 * Config on-board RTC
 */
#define CONFIG_RTC_DS1374		/* use ds1374 rtc via i2c */
#define CFG_I2C_RTC_ADDR	0x68	/* at address 0x68 */

/*
 * General PCI
 * Addresses are mapped 1-1.
 */
#define CFG_PCI_MEM_BASE	0x80000000
#define CFG_PCI_MEM_PHYS	CFG_PCI_MEM_BASE
#define CFG_PCI_MEM_SIZE	0x10000000	/* 256M */
#define CFG_PCI_MMIO_BASE	0x90000000
#define CFG_PCI_MMIO_PHYS	CFG_PCI_MMIO_BASE
#define CFG_PCI_MMIO_SIZE	0x10000000	/* 256M */
#define CFG_PCI_IO_BASE		0xE0300000
#define CFG_PCI_IO_PHYS		0xE0300000
#define CFG_PCI_IO_SIZE		0x100000	/* 1M */

#define CFG_PCI_SLV_MEM_LOCAL	CFG_SDRAM_BASE
#define CFG_PCI_SLV_MEM_BUS	0x00000000
#define CFG_PCI_SLV_MEM_SIZE	0x80000000


#ifdef CONFIG_PCI

#define CONFIG_NET_MULTI
#define CONFIG_PCI_PNP		/* do pci plug-and-play */

#undef CONFIG_EEPRO100
#undef CONFIG_PCI_SCAN_SHOW	/* show pci devices on startup */
#define CFG_PCI_SUBSYS_VENDORID	0x1957	/* Freescale */

#endif	/* CONFIG_PCI */


#ifndef CONFIG_NET_MULTI
#define CONFIG_NET_MULTI	1
#endif

/*
 * QE UEC ethernet configuration
 */
#define CONFIG_UEC_ETH
#define CONFIG_ETHPRIME		"Freescale GETH"

#define CONFIG_UEC_ETH1		/* ETH3 */

#ifdef CONFIG_UEC_ETH1
#define CFG_UEC1_UCC_NUM	2	/* UCC3 */
#define CFG_UEC1_RX_CLK		QE_CLK9
#define CFG_UEC1_TX_CLK		QE_CLK10
#define CFG_UEC1_ETH_TYPE	FAST_ETH
#define CFG_UEC1_PHY_ADDR	3
#define CFG_UEC1_INTERFACE_MODE	ENET_100_MII
#endif

#define CONFIG_UEC_ETH2		/* ETH4 */

#ifdef CONFIG_UEC_ETH2
#define CFG_UEC2_UCC_NUM	3	/* UCC4 */
#define CFG_UEC2_RX_CLK		QE_CLK7
#define CFG_UEC2_TX_CLK		QE_CLK8
#define CFG_UEC2_ETH_TYPE	FAST_ETH
#define CFG_UEC2_PHY_ADDR	4
#define CFG_UEC2_INTERFACE_MODE	ENET_100_MII
#endif

/*
 * Environment
 */
#ifndef CFG_RAMBOOT
	#define CFG_ENV_IS_IN_FLASH	1
	#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
	#define CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
	#define CFG_ENV_SIZE		0x2000
#else
	#define CFG_NO_FLASH		1	/* Flash is not usable now */
	#define CFG_ENV_IS_NOWHERE	1	/* Store ENV in memory only */
	#define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
	#define CFG_ENV_SIZE		0x2000
#endif

#define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
#define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change */

/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME


/*
 * Command line configuration.
 */
#include <config_cmd_default.h>

#define CONFIG_CMD_PING
#define CONFIG_CMD_I2C
#define CONFIG_CMD_ASKENV

#if defined(CONFIG_PCI)
    #define CONFIG_CMD_PCI
#endif

#if defined(CFG_RAMBOOT)
    #undef CONFIG_CMD_ENV
    #undef CONFIG_CMD_LOADS
#endif


#undef CONFIG_WATCHDOG		/* watchdog disabled */

/*
 * Miscellaneous configurable options
 */
#define CFG_LONGHELP		/* undef to save memory */
#define CFG_LOAD_ADDR		0x2000000	/* default load address */
#define CFG_PROMPT		"=> "	/* Monitor Command Prompt */

#if defined(CONFIG_CMD_KGDB)
	#define CFG_CBSIZE	1024	/* Console I/O Buffer Size */
#else
	#define CFG_CBSIZE	256	/* Console I/O Buffer Size */
#endif

#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)	/* Print Buffer Size */
#define CFG_MAXARGS	16		/* max number of command args */
#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size */
#define CFG_HZ		1000		/* decrementer freq: 1ms ticks */

/*
 * 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 */

/*
 * Core HID Setup
 */
#define CFG_HID0_INIT		0x000000000
#define CFG_HID0_FINAL		HID0_ENABLE_MACHINE_CHECK
#define CFG_HID2		HID2_HBE

/*
 * Cache Config
 */
#define CFG_DCACHE_SIZE		16384
#define CFG_CACHELINE_SIZE	32
#if defined(CONFIG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT	5	/*log base 2 of the above value */
#endif

/*
 * MMU Setup
 */

/* DDR: cache cacheable */
#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_DBAT0L	CFG_IBAT0L
#define CFG_DBAT0U	CFG_IBAT0U

/* IMMRBAR & PCI IO: cache-inhibit and guarded */
#define CFG_IBAT1L	(CFG_IMMR | BATL_PP_10 | \
			BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_IBAT1U	(CFG_IMMR | BATU_BL_4M | BATU_VS | BATU_VP)
#define CFG_DBAT1L	CFG_IBAT1L
#define CFG_DBAT1U	CFG_IBAT1U

/* BCSR: cache-inhibit and guarded */
#define CFG_IBAT2L	(CFG_BCSR | BATL_PP_10 | \
			BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_IBAT2U	(CFG_BCSR | BATU_BL_128K | BATU_VS | BATU_VP)
#define CFG_DBAT2L	CFG_IBAT2L
#define CFG_DBAT2U	CFG_IBAT2U

/* FLASH: icache cacheable, but dcache-inhibit and guarded */
#define CFG_IBAT3L	(CFG_FLASH_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT3U	(CFG_FLASH_BASE | BATU_BL_32M | BATU_VS | BATU_VP)
#define CFG_DBAT3L	(CFG_FLASH_BASE | BATL_PP_10 | \
			BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT3U	CFG_IBAT3U

#define CFG_IBAT4L	(0)
#define CFG_IBAT4U	(0)
#define CFG_DBAT4L	CFG_IBAT4L
#define CFG_DBAT4U	CFG_IBAT4U

/* Stack in dcache: cacheable, no memory coherence */
#define CFG_IBAT5L	(CFG_INIT_RAM_ADDR | BATL_PP_10)
#define CFG_IBAT5U	(CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
#define CFG_DBAT5L	CFG_IBAT5L
#define CFG_DBAT5U	CFG_IBAT5U

#ifdef CONFIG_PCI
/* PCI MEM space: cacheable */
#define CFG_IBAT6L	(CFG_PCI_MEM_PHYS | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT6U	(CFG_PCI_MEM_PHYS | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_DBAT6L	CFG_IBAT6L
#define CFG_DBAT6U	CFG_IBAT6U
/* PCI MMIO space: cache-inhibit and guarded */
#define CFG_IBAT7L	(CFG_PCI_MMIO_PHYS | BATL_PP_10 | \
			BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_IBAT7U	(CFG_PCI_MMIO_PHYS | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_DBAT7L	CFG_IBAT7L
#define CFG_DBAT7U	CFG_IBAT7U
#else
#define CFG_IBAT6L	(0)
#define CFG_IBAT6U	(0)
#define CFG_IBAT7L	(0)
#define CFG_IBAT7U	(0)
#define CFG_DBAT6L	CFG_IBAT6L
#define CFG_DBAT6U	CFG_IBAT6U
#define CFG_DBAT7L	CFG_IBAT7L
#define CFG_DBAT7U	CFG_IBAT7U
#endif

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

#if defined(CONFIG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE	230400	/* speed of kgdb serial port */
#define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
#endif

/*
 * Environment Configuration
 */

#define CONFIG_ENV_OVERWRITE

#if defined(CONFIG_UEC_ETH)
#define CONFIG_ETHADDR	00:04:9f:ef:03:01
#define CONFIG_HAS_ETH1
#define CONFIG_ETH1ADDR	00:04:9f:ef:03:02
#endif

#define CONFIG_BAUDRATE	115200

#define CONFIG_LOADADDR	200000	/* default location for tftp and bootm */

#define CONFIG_BOOTDELAY 6 	/* -1 disables auto-boot */
#undef  CONFIG_BOOTARGS		/* the boot command will set bootargs */

#define CONFIG_EXTRA_ENV_SETTINGS					\
   "netdev=eth0\0"							\
   "consoledev=ttyS0\0"							\
   "ramdiskaddr=1000000\0"						\
   "ramdiskfile=ramfs.83xx\0"						\
   "fdtaddr=400000\0"							\
   "fdtfile=mpc832xemds.dtb\0"						\
   ""

#define CONFIG_NFSBOOTCOMMAND						\
   "setenv bootargs root=/dev/nfs rw "					\
      "nfsroot=$serverip:$rootpath "					\
      "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off "	\
      "console=$consoledev,$baudrate $othbootargs;"			\
   "tftp $loadaddr $bootfile;"						\
   "tftp $fdtaddr $fdtfile;"						\
   "bootm $loadaddr - $fdtaddr"

#define CONFIG_RAMBOOTCOMMAND						\
   "setenv bootargs root=/dev/ram rw "					\
      "console=$consoledev,$baudrate $othbootargs;"			\
   "tftp $ramdiskaddr $ramdiskfile;"					\
   "tftp $loadaddr $bootfile;"						\
   "tftp $fdtaddr $fdtfile;"						\
   "bootm $loadaddr $ramdiskaddr $fdtaddr"


#define CONFIG_BOOTCOMMAND CONFIG_NFSBOOTCOMMAND

#endif	/* __CONFIG_H */