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85 lines
2.0 KiB
85 lines
2.0 KiB
8 years ago
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#include <stdio.h>
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#include <termio.h>
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#include <string.h>
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#include <setjmp.h>
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#include <sys/endian.h>
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#include <ctype.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <file.h>
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#include <mtdfile.h>
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#include<pmon.h>
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#include<asm.h>
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#include<machine/types.h>
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#include<linux/mtd/mtd.h>
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#include<linux/mtd/nand.h>
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#include<linux/mtd/partitions.h>
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#include<sys/malloc.h>
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#ifdef _KERNEL
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#undef _KERNEL
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#include <sys/ioctl.h>
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#define _KERNEL
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#else
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#include <sys/ioctl.h>
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#endif
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#define MYDBG
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//printf("%s:%x\n",__func__,__LINE__);
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int my_flash_erase(int argc,char **argv)
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{
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char *path=0;
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int fp=-1,start=0,end=0;
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mtdfile *p;
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mtdpriv *priv;
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struct mtd_info *mtd;
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struct erase_info erase;
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if(argc!=2){
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printf("args error...\n");
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printf("uargs:mtd_erase /dev/mtdx\n");
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printf("example:mtd_erase /dev/mtd0\n");
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return -1;
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}
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path = argv[1];
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if(!path)return -1;
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fp = open(path,O_RDWR|O_CREAT|O_TRUNC);
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if(!fp){printf("open file error!\n");return -1;}
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if(strncmp(_file[fp].fs->devname,"mtd",3)){
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printf("the DEV(\"%s\") isn't flash-dev\n",path);
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return -1;
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}
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priv = (mtdpriv*)_file[fp].data;
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p = priv->file;
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mtd = p->mtd;
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start = (p->part_offset)&~(mtd->erasesize-1);
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end = (p->part_offset + p->part_size)&~(mtd->erasesize-1);
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erase.mtd = mtd;
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erase.callback=0;
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erase.priv = 0;
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printf("mtd_erase working: \n%08x ",start);
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while(start<end){
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erase.addr = start;
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erase.len = mtd->erasesize;
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mtd->erase(mtd,&erase);
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printf("\b\b\b\b\b\b\b\b\b\b%08x ",start);
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start += mtd->erasesize;
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}
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printf("\nmtd_erase work done!\n");
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return 0;
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}
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static const Cmd Cmds[] =
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{
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{"MyCmds"},
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{"mtd_erase","val",0,"NANDFlash OPS:mtd_erase /dev/mtdx",my_flash_erase,0,99,CMD_REPEAT},
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{0, 0}
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};
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static void init_cmd __P((void)) __attribute__ ((constructor));
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static void init_cmd()
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{
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cmdlist_expand(Cmds, 1);
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}
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