boot.h

spi_boot_example.tar.gz可以为大家在使用 Cirrus logic的ARM9芯片是提供帮助

/*==================================================================
 *
 *  This file is part of a small Nand flash bootloader designed to
 *  be loaded via EP93xx SPI boot.
 *
 *  Copyright Cirrus Logic Corporation, 2007.  All rights reserved
 *
 ==================================================================*/

#ifndef _BOOT_H_
#define _BOOT_H_


void uart_setup(void);
int putchar(int c);
int u_putchar(int c);
u8 getchar(void);
int puts(const char *s);
void puthex(u32 val);
void puthex8(u8 val);

// devcfg value for 32bit: 0x00210028 sdram_cmd 0x00008800 , for 16bit: 0x0021002c sdram_cmd 0x00004600
int sdram_setup(int sdram_base, int devcfg_value, int sdram_cmd , int dummy);


#ifndef NULL
#define NULL 0
#endif


void *memcpy(void *dest, const void *src, int len);
void *memset(void *dest, int c, int len);

void printk(char *fmt, ...);
int puts(const char *s);

// if running in on chip SRAM
void set_pc(u32 address);


#endif