flashdev.h

完整的Bell实验室的嵌入式文件系统TFS

/* 
 * flash.h
 *
 * by Thomas E. Arvanits ([e-mail])
 *
 * Header file for use with 29F128J3A (intel strata flash)
 * for 16 bit mode, in x2 configuration for 32 bit access.
 */
#ifndef _flash_h
#define _flash_h

#include "SA-1100.h"

//#define DEBUGFLASH    1
#undef DEBUGFLASH

#ifdef DEBUGFLASH
#define FDEBUG(c) while((Ser3UTSR0 & UTSR0_TFS) == 0); Ser3UTDR = (c)
#else
#define FDEBUG(c)
#endif

#define FPRINT(c) while((Ser3UTSR0 & UTSR0_TFS) == 0); Ser3UTDR = (c)

//#define FLASH_LOCK_SUPPORTED
#undef FLASH_LOCK_SUPPORTED

/* 
 * 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 INTEL28F128J    0x00890018

#define WIDTH       4
#define WIDTH_IN_BYTES  4
#define WIDTH_IN_BITS   32
#define WIDTH_MASK  1

#define ftype               volatile unsigned long

#define FLASHLOCK       Flashlock32
#define ENDFLASHLOCK        EndFlashlock32
#define FLASHERASE      Flasherase32
#define ENDFLASHERASE       EndFlasherase32
#define FLASHWRITE      Flashwrite32
#define ENDFLASHWRITE       EndFlashwrite32
#define FLASHEWRITE     Flashewrite32
#define ENDFLASHEWRITE      EndFlashewrite32
#define FLASHTYPE       Flashtype32
#define ENDFLASHTYPE        EndFlashtype32

#define FWrite(to,frm)      (*(ftype *)(to) = *(ftype *)(frm))
#define Write_to(add, val)  (*(ftype *)(add) = (val))
#define Write_01_to(add)    (*(ftype *)(add) = 0x00010001)
#define Write_20_to(add)    (*(ftype *)(add) = 0x00200020)
#define Write_40_to(add)    (*(ftype *)(add) = 0x00400040)
#define Write_70_to(add)    (*(ftype *)(add) = 0x00700070)
#define Write_d0_to(add)    (*(ftype *)(add) = 0x00d000d0)

#define Write_50_to_base()  (*(ftype *)(fdev->base) = 0x00500050)
#define Write_60_to_base()  (*(ftype *)(fdev->base) = 0x00600060)
#define Write_70_to_base()  (*(ftype *)(fdev->base) = 0x00700070)
#define Write_90_to_base()  (*(ftype *)(fdev->base) = 0x00900090)
#define Write_ff_to_base()  (*(ftype *)(fdev->base) = 0x00FF00FF)

#define Read_from(add)      (*(ftype *)(add))
#define Read_0000_from_base()   (*(ftype *)(fdev->base+(0x00000000<<2)))
#define Read_0001_from_base()   (*(ftype *)(fdev->base+(0x00000001<<2)))
#define Read_5555_from_base()   (*(ftype *)(fdev->base+(0x5555<<1)))

#define Is_ff(add)      (*(ftype *)(add) == 0xFFFFFFFF)
#define Is_not_ff(add)      (*(ftype *)(add) != 0xFFFFFFFF)

#define Is_Equal(p1,p2)     (*(ftype *)(p1) == *(ftype *)(p2))
#define Is_Not_Equal(p1,p2) (*(ftype *)(p1) != *(ftype *)(p2))

#endif /* _flash_h */