flashdev.h

完整的Bell实验室的嵌入式文件系统TFS

/* 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       350

#define FLASH_TIMEOUT       1000000

/* Manufacturer and device ids... */
#define AMD29PL160C     0x00012245

#define WIDTH           2
#define WIDTH_IN_BYTES  2
#define WIDTH_IN_BITS   16
#define WIDTH_MASK      1
#define ftype               volatile unsigned short
#define NotAligned(ptr)     ((long)ptr & 1)
#define Write_aa_to_555()  (*(ftype *)(fdev->base+(0x555<<1)) = 0xaaaa)
#define Write_55_to_2aa()  (*(ftype *)(fdev->base+(0x2aa<<1)) = 0x5555)
#define Write_80_to_555()  (*(ftype *)(fdev->base+(0x555<<1)) = 0x8080)
#define Write_a0_to_555()  (*(ftype *)(fdev->base+(0x555<<1)) = 0xa0a0)
#define Write_f0_to_555()  (*(ftype *)(fdev->base+(0x555<<1)) = 0xf0f0)
#define Write_90_to_555()  (*(ftype *)(fdev->base+(0x555<<1)) = 0x9090)
#define Write_30_to_(add)   (*(ftype *)add = 0x3030)
#define Read_555()          (*(ftype *)(fdev->base+(0x555<<1)))
#define Read_0000()         (*(ftype *)(fdev->base+(0x0000<<1)))
#define Read_0001()         (*(ftype *)(fdev->base+(0x0001<<1)))
#define Is_ff(add)          (*(ftype *)add == 0xffff)
#define Is_not_ff(add)      (*(ftype *)add != 0xffff)
#define D5_Timeout(add)     ((*(ftype *)add & 0xdfdf) == 0x2020)

#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)

extern int Flasherase16();
extern int Flashwrite16();
extern int Flashewrite16();
extern int Flashtype16();
extern void EndFlasherase16();
extern void EndFlashwrite16();
extern void EndFlashewrite16();
extern void EndFlashtype16();