?? init.c
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#include "s3c2410.h" void disable_watch_dog(void);void memsetup(void);/*上電后,WATCH DOG默認(rèn)是開(kāi)著的,要把它關(guān)掉 */void disable_watch_dog(){ WTCON = 0;}/************************************************************************** * 設(shè)置控制SDRAM的13個(gè)寄存器* 使用位置無(wú)關(guān)代碼**************************************************************************/ void memsetup(void){ unsigned long *p = (unsigned long *)MEM_CTL_BASE; p[0] = 0x22111110; //BWSCON p[1] = 0x00000700; //BANKCON0 p[2] = 0x00000700; //BANKCON1 p[3] = 0x00000700; //BANKCON2 p[4] = 0x00000700; //BANKCON3 p[5] = 0x00000700; //BANKCON4 p[6] = 0x00000700; //BANKCON5 p[7] = 0x00018005; //BANKCON6 p[8] = 0x00018005; //BANKCON7 p[9] = 0x008e07a3; //REFRESH,HCLK=12MHz:0x008e07a3,HCLK=100MHz:0x008e04f4 p[10] = 0x000000b2; //BANKSIZE p[11] = 0x00000030; //MRSRB6 p[12] = 0x00000030; //MRSRB7}
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