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/*
* flash_info.c -- print info about a MTD device
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <time.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <mtd/mtd-user.h>
int main(int argc,char *argv[])
{
int regcount;
int Fd;
if (1 >= argc)
{
fprintf(stderr,"Usage: flash_info device\n");
return 16;
}
// Open and size the device
if ((Fd = open(argv[1],O_RDONLY)) < 0)
{
fprintf(stderr,"File open error\n");
return 8;
}
if (ioctl(Fd,MEMGETREGIONCOUNT,®count) == 0)
{
int i;
region_info_t reginfo;
printf("Device %s has %d erase regions\n", argv[1], regcount);
for (i = 0; i < regcount; i++)
{
reginfo.regionindex = i;
if(ioctl(Fd, MEMGETREGIONINFO, ®info) == 0)
{
printf("Region %d is at 0x%x with size 0x%x and "
"has 0x%x blocks\n", i, reginfo.offset,
reginfo.erasesize, reginfo.numblocks);
}
else
{
printf("Strange can not read region %d from a %d region device\n",
i, regcount);
}
}
}
return 0;
}
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