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S3C2442的起动代码程序等。有较大的实用价值

---- gpa Matches (32 in 3 files) ----
2442addr.h:#define rGPACON    (*(volatile unsigned *)0x56000000)	//Port A control
2442addr.h:#define rGPADAT    (*(volatile unsigned *)0x56000004)	//Port A data
2442lib.c:    //Ports  : GPA22 GPA21  GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12  
2442lib.c:    //Ports  : GPA11   GPA10  GPA9   GPA8   GPA7   GPA6   GPA5   GPA4   GPA3   GPA2   GPA1  GPA0
2442lib.c:    rGPACON = 0x7fffff; 
2442loader-1G08.c: 	// GPA    22         21         20     19      18    17
2442loader-1G08.c:    	rGPACON = (rGPACON &~(0x3f<<17)) | (0x3f<<17);
2442loader-1G08.c:	rGPADAT|=(1<<16); //
2442loader-1G08.c:	rGPACON=rGPACON&~(0x1<<16); // nGCS[5] -> OUTPUT