common.h

使用ADS,用仿真器烧写程序到nor flash。 具体操作见src/main.c的注释。 PS:yf255_sdram_init.txt为cpu的初始化脚本。

#ifdef CONFIG_HERMES
/* $(BOARD)/hermes.c */
void hermes_start_lxt980 (int speed);
#endif

#ifdef CONFIG_EVB64260
void  evb64260_init(void);
void  debug_led(int, int);
void  display_mem_map(void);
void  perform_soft_reset(void);
#endif

void	load_sernum_ethaddr (void);

/* $(BOARD)/$(BOARD).c */
int board_early_init_f (void);
int board_late_init (void);
int board_postclk_init (void); /* after clocks/timebase, before env/serial */
int board_early_init_r (void);
void board_poweroff (void);

#if defined(CFG_DRAM_TEST)
int testdram(void);
#endif /* CFG_DRAM_TEST */

/* $(CPU)/start.S */
#if defined(CONFIG_5xx) || \
    defined(CONFIG_8xx)
uint	get_immr      (uint);
#endif
uint	get_pir	      (void);
#if defined(CONFIG_MPC5xxx)
uint	get_svr       (void);
#endif
uint	get_pvr	      (void);
uint	get_svr	      (void);
uint	rd_ic_cst     (void);
void	wr_ic_cst     (uint);
void	wr_ic_adr     (uint);
uint	rd_dc_cst     (void);
void	wr_dc_cst     (uint);
void	wr_dc_adr     (uint);
int	icache_status (void);
void	icache_enable (void);
void	icache_disable(void);
int	dcache_status (void);
void	dcache_enable (void);
void	dcache_disable(void);
void	relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn));
ulong	get_endaddr   (void);
void	trap_init     (ulong);
#if defined (CONFIG_4xx)	|| \
    defined (CONFIG_MPC5xxx)	|| \
    defined (CONFIG_74xx_7xx)	|| \
    defined (CONFIG_74x)	|| \
    defined (CONFIG_75x)	|| \
    defined (CONFIG_74xx)	|| \
    defined (CONFIG_MPC8220)	|| \
    defined (CONFIG_MPC85xx)	|| \
    defined (CONFIG_MPC86xx)	|| \
    defined (CONFIG_MPC83XX)
unsigned char	in8(unsigned int);
void		out8(unsigned int, unsigned char);
unsigned short	in16(unsigned int);
unsigned short	in16r(unsigned int);
void		out16(unsigned int, unsigned short value);
void		out16r(unsigned int, unsigned short value);
unsigned long	in32(unsigned int);
unsigned long	in32r(unsigned int);
void		out32(unsigned int, unsigned long value);
void		out32r(unsigned int, unsigned long value);
void		ppcDcbf(unsigned long value);
void		ppcDcbi(unsigned long value);
void		ppcSync(void);
void		ppcDcbz(unsigned long value);
#endif
#if defined (CONFIG_MICROBLAZE)
unsigned short	in16(unsigned int);
void		out16(unsigned int, unsigned short value);
#endif

#if defined (CONFIG_MPC83XX)
void		ppcDWload(unsigned int *addr, unsigned int *ret);
void		ppcDWstore(unsigned int *addr, unsigned int *value);
#endif

/* $(CPU)/cpu.c */
int	checkcpu      (void);
int	checkicache   (void);
int	checkdcache   (void);
void	upmconfig     (unsigned int, unsigned int *, unsigned int);
ulong	get_tbclk     (void);
void	reset_cpu     (ulong addr);
#if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP)
void ft_cpu_setup(void *blob, bd_t *bd);
#ifdef CONFIG_PCI
void ft_pci_setup(void *blob, bd_t *bd);
#endif
#endif


/* $(CPU)/serial.c */
int	serial_init   (void);
void	serial_addr   (unsigned int);
void	serial_setbrg (void);
void	serial_putc   (const char);
void	serial_putc_raw(const char);
void	serial_puts   (const char *);
int	serial_getc   (void);
int	serial_tstc   (void);

void	_serial_setbrg (const int);
void	_serial_putc   (const char, const int);
void	_serial_putc_raw(const char, const int);
void	_serial_puts   (const char *, const int);
int	_serial_getc   (const int);
int	_serial_tstc   (const int);

/* $(CPU)/speed.c */
int	get_clocks (void);
int	get_clocks_866 (void);
int	sdram_adjust_866 (void);
int	adjust_sdram_tbs_8xx (void);
#if defined(CONFIG_8260)
int	prt_8260_clks (void);
#elif defined(CONFIG_MPC5xxx)
int	prt_mpc5xxx_clks (void);
#endif
#if defined(CONFIG_MPC512X)
int	prt_mpc512xxx_clks (void);
#endif
#if defined(CONFIG_MPC8220)
int	prt_mpc8220_clks (void);
#endif
#ifdef CONFIG_4xx
ulong	get_OPB_freq (void);
ulong	get_PCI_freq (void);
#endif
#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X)
void	s3c2410_irq(void);
#define ARM920_IRQ_CALLBACK s3c2410_irq
ulong	get_FCLK (void);
ulong	get_HCLK (void);
ulong	get_PCLK (void);
ulong	get_UCLK (void);
#endif
#if defined(CONFIG_LH7A40X)
ulong	get_PLLCLK (void);
#endif
#if defined CONFIG_INCA_IP
uint	incaip_get_cpuclk (void);
#endif
#if defined(CONFIG_IMX)
ulong get_systemPLLCLK(void);
ulong get_FCLK(void);
ulong get_HCLK(void);
ulong get_BCLK(void);
ulong get_PERCLK1(void);
ulong get_PERCLK2(void);
ulong get_PERCLK3(void);
#endif
ulong	get_bus_freq  (ulong);

#if defined(CONFIG_MPC85xx)
typedef MPC85xx_SYS_INFO sys_info_t;
void	get_sys_info  ( sys_info_t * );
ulong	get_ddr_freq  (ulong);
#endif
#if defined(CONFIG_MPC86xx)
typedef MPC86xx_SYS_INFO sys_info_t;
void   get_sys_info  ( sys_info_t * );
#endif

#if defined(CONFIG_4xx) || defined(CONFIG_IOP480)
#  if defined(CONFIG_440)
#	if defined(CONFIG_440SPE)
	 unsigned long determine_sysper(void);
	 unsigned long determine_pci_clock_per(void);
#	endif
#  endif
typedef PPC4xx_SYS_INFO sys_info_t;
int	ppc440spe_revB(void);
void	get_sys_info  ( sys_info_t * );
#endif

/* $(CPU)/cpu_init.c */
#if defined(CONFIG_8xx) || defined(CONFIG_8260)
void	cpu_init_f    (volatile immap_t *immr);
#endif
#if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx)
void	cpu_init_f    (void);
#endif

int	cpu_init_r    (void);
#if defined(CONFIG_8260)
int	prt_8260_rsr  (void);
#elif defined(CONFIG_MPC83XX)
int	prt_83xx_rsr  (void);
#endif

/* $(CPU)/interrupts.c */
int	interrupt_init	   (void);
void	timer_interrupt	   (struct pt_regs *);
void	external_interrupt (struct pt_regs *);
void	irq_install_handler(int, interrupt_handler_t *, void *);
void	irq_free_handler   (int);
void	reset_timer	   (void);
ulong	get_timer	   (ulong base);
void	set_timer	   (ulong t);
void	enable_interrupts  (void);
int	disable_interrupts (void);

/* $(CPU)/.../commproc.c */
int	dpram_init (void);
uint	dpram_base(void);
uint	dpram_base_align(uint align);
uint	dpram_alloc(uint size);
uint	dpram_alloc_align(uint size,uint align);
void	post_word_store (ulong);
ulong	post_word_load (void);
void	bootcount_store (ulong);
ulong	bootcount_load (void);
#define BOOTCOUNT_MAGIC		0xB001C041

/* $(CPU)/.../<eth> */
void mii_init (void);

/* $(CPU)/.../lcd.c */
ulong	lcd_setmem (ulong);

/* $(CPU)/.../vfd.c */
ulong	vfd_setmem (ulong);

/* $(CPU)/.../video.c */
ulong	video_setmem (ulong);

/* lib_$(ARCH)/cache.c */
void	flush_cache   (unsigned long, unsigned long);


/* lib_$(ARCH)/ticks.S */
unsigned long long get_ticks(void);
void	wait_ticks    (unsigned long);

/* lib_$(ARCH)/time.c */
void	udelay	      (unsigned long);
ulong	usec2ticks    (unsigned long usec);
ulong	ticks2usec    (unsigned long ticks);
int	init_timebase (void);

/* lib_generic/vsprintf.c */
ulong	simple_strtoul(const char *cp,char **endp,unsigned int base);
#ifdef CFG_64BIT_VSPRINTF
unsigned long long	simple_strtoull(const char *cp,char **endp,unsigned int base);
#endif
long	simple_strtol(const char *cp,char **endp,unsigned int base);
void	panic(const char *fmt, ...)
		__attribute__ ((format (__printf__, 1, 2)));
int	sprintf(char * buf, const char *fmt, ...)
		__attribute__ ((format (__printf__, 2, 3)));
int	vsprintf(char *buf, const char *fmt, va_list args);

/* lib_generic/crc32.c */
uint32_t crc32 (uint32_t, const unsigned char *, uint);
uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);
uint32_t crc32_no_comp (uint32_t, const unsigned char *, uint);

/* common/console.c */
int	console_init_f(void);	/* Before relocation; uses the serial  stuff	*/
int	console_init_r(void);	/* After  relocation; uses the console stuff	*/
int	console_assign (int file, char *devname);	/* Assign the console	*/
int	ctrlc (void);
int	had_ctrlc (void);	/* have we had a Control-C since last clear? */
void	clear_ctrlc (void);	/* clear the Control-C condition */
int	disable_ctrlc (int);	/* 1 to disable, 0 to enable Control-C detect */

/*
 * STDIO based functions (can always be used)
 */

/* serial stuff */
void	serial_printf (const char *fmt, ...)
		__attribute__ ((format (__printf__, 1, 2)));

/* stdin */
int	getc(void);
int	tstc(void);

/* stdout */
void	putc(const char c);
void	puts(const char *s);
void	printf(const char *fmt, ...)
		__attribute__ ((format (__printf__, 1, 2)));
void	vprintf(const char *fmt, va_list args);

/* stderr */
#define eputc(c)		fputc(stderr, c)
#define eputs(s)		fputs(stderr, s)
#define eprintf(fmt,args...)	fprintf(stderr,fmt ,##args)

/*
 * FILE based functions (can only be used AFTER relocation!)
 */

#define stdin		0
#define stdout		1
#define stderr		2
#define MAX_FILES	3

void	fprintf(int file, const char *fmt, ...)
		__attribute__ ((format (__printf__, 2, 3)));
void	fputs(int file, const char *s);
void	fputc(int file, const char c);
int	ftstc(int file);
int	fgetc(int file);

int	pcmcia_init (void);

#ifdef CONFIG_STATUS_LED
# include <status_led.h>
#endif
/*
 * Board-specific Platform code can reimplement show_boot_progress () if needed
 */
void __attribute__((weak)) show_boot_progress (int val);

#ifdef CONFIG_INIT_CRITICAL
#error CONFIG_INIT_CRITICAL is deprecated!
#error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
#endif

#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))

#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))

#define ALIGN(x,a)		__ALIGN_MASK((x),(typeof(x))(a)-1)
#define __ALIGN_MASK(x,mask)	(((x)+(mask))&~(mask))

/* Multicore arch functions */
#ifdef CONFIG_MP
int cpu_status(int nr);
int cpu_reset(int nr);
int cpu_release(int nr, int argc, char *argv[]);
#endif

#ifdef CONFIG_POST
#define CONFIG_HAS_POST
#endif

#endif	/* __COMMON_H_ */