flashdev.h

完整的Bell实验室的嵌入式文件系统TFS

/* flash.h:
   Header file for use with 29F800B for 16 bit mode.
*/
#define FLASH_TIMEOUT       1000000
#define FLASHFUNCSIZE       320

/* If this is set to 1, then the 28F640 functions are executed out of RAM. */
#define COPY_640OPS_TO_RAM  0

/* Manufacturer and device ids... */
#define MANUFACTURER_INTEL  0x89898989
#define DEVICE_28F320J3     0x16161616      /* 32  Mbit (3 volt strata) */
#define DEVICE_28F640J3     0x17171717      /* 64  Mbit (3 volt strata) */
#define DEVICE_28F128J3     0x18181818      /* 128 Mbit (3 volt strata) */

#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)
#define ftype               volatile unsigned long

#define WBS                 0x80808080
#define WSMS                0x80808080
#define ESS                 0x40404040
#define ECLBS               0x20202020
#define PSLBS               0x10101010
#define VPENS               0x08080808
#define RSVD2               0x04040404
#define DPS                 0x02020202
#define RSVD0               0x01010101

#define Write_20_to_base()  (*(ftype *)(fdev->base) = 0x20202020)
#define Write_40_to_base()  (*(ftype *)(fdev->base) = 0x40404040)
#define Write_50_to_base()  (*(ftype *)(fdev->base) = 0x50505050)
#define Write_60_to_base()  (*(ftype *)(fdev->base) = 0x60606060)
#define Write_70_to_base()  (*(ftype *)(fdev->base) = 0x70707070)
#define Write_90_to_base()  (*(ftype *)(fdev->base) = 0x90909090)
#define Write_ff_to_base()  (*(ftype *)(fdev->base) = 0xffffffff)
#define Write_0f_to_(add)   (*(ftype *)add = 0x0f0f0f0f)
#define Write_20_to_(add)   (*(ftype *)add = 0x20202020)
#define Write_40_to_(add)   (*(ftype *)add = 0x40404040)
#define Write_d0_to_(add)   (*(ftype *)add = 0xd0d0d0d0)
#define Write_e8_to_(add)   (*(ftype *)add = 0xe8e8e8e8)
#define Read_0000()         (*(ftype *)(fdev->base))
#define Read_0001()         (*(ftype *)(fdev->base+4))
#define Not32BitAligned(ptr)    ((long)ptr & 3)

#define WAIT_FOR_WRITE(add,data)    while(*(ftype *)add != *(ftype *)data)
#define WAIT_FOR_FF(add)            while((*(ftype *)add) != 0xffffffff)
#define WAIT_FOR_WSMS_READY()       while((Read_0000() & WSMS) != WSMS)
#define WBUF_NOT_AVAIL(add)         ((*(ftype *)add & WBS) != WBS)