umon bootloader source code, support mips cpu.

源代码在线查看: flashdev.h

软件大小: 7429 K
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关键词: bootloader support source umon
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相关代码

				/* flash.h:
				   Header file for use with 29F800B for 16 bit mode.
				*/
				/* FLASHFUNCSIZE:
					Size of the array used by the flash operations to copy functions into
					RAM space for execution out of non-flash memory.
				*/
				#define FLASHFUNCSIZE		320
				
				#define FLASH_TIMEOUT		1000000
				
				/* Manufacturer and device ids... */
				#define INTEL28F800B	0x008988C1
				#define INTEL28F160B	0x008988C3
				#define INTEL28F320B	0x008988C5
				
				#define WIDTH			2
				#define WIDTH_IN_BYTES	2
				#define WIDTH_IN_BITS	16
				#define WIDTH_MASK		1
				#define	ftype			    volatile unsigned short
				#define FLASHLOCK		    Flashlock16
				#define ENDFLASHLOCK	    EndFlashlock16
				#define FLASHERASE		    Flasherase16
				#define ENDFLASHERASE	    EndFlasherase16
				#define FLASHWRITE		    Flashwrite16
				#define ENDFLASHWRITE	    EndFlashwrite16
				#define FLASHEWRITE		    Flashewrite16
				#define ENDFLASHEWRITE	    EndFlashewrite16
				#define FLASHTYPE		    Flashtype16
				#define ENDFLASHTYPE	    EndFlashtype16
				#define	NotAligned(ptr)	    ((long)ptr & 1)
				#define Write_20_to_base()  (*(ftype *)(fdev->base) = 0x0020)
				#define Write_40_to_base()  (*(ftype *)(fdev->base) = 0x0040)
				#define Write_50_to_base()  (*(ftype *)(fdev->base) = 0x0050)
				#define Write_60_to_base()  (*(ftype *)(fdev->base) = 0x0060)
				#define Write_70_to_base()  (*(ftype *)(fdev->base) = 0x0070)
				#define Write_90_to_base()  (*(ftype *)(fdev->base) = 0x0090)
				#define Write_FF_to_base()  (*(ftype *)(fdev->base) = 0x00FF)
				#define Write_d0_to_(add)   (*(ftype *)add = 0x00D0)
				#define Write_01_to_(add)   (*(ftype *)add = 0x0001)
				#define Write_2f_to_(add)   (*(ftype *)add = 0x002f)
				#define Read_0000()		    (*(ftype *)(fdev->base+(0x0000				#define Read_0001()		    (*(ftype *)(fdev->base+(0x0001				#define Read_5555()		    (*(ftype *)(fdev->base+(0x5555				#define Is_ff(add)		    (*(ftype *)add == 0xffff)
				#define Is_not_ff(add)	    (*(ftype *)add != 0xffff)
				
				#define Fwrite(to,frm)      (*(ftype *)to = *(ftype *)frm)
				#define Is_Equal(p1,p2)     (*(ftype *)p1 == *(ftype *)p2)
				#define Is_Not_Equal(p1,p2) (*(ftype *)p1 != *(ftype *)p2)
							

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