mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-29 07:31:54 +02:00
dc3d3f1c49
it's basically also provided by ingenic and nativly based on 2.6.27, adjusted to fit into the OpenWrt-environment
65 lines
1.1 KiB
C
65 lines
1.1 KiB
C
/*
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* FILE flash_unlock.c
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*
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* This utility unlock all sectors of flash device.
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*
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <time.h>
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#include <sys/ioctl.h>
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#include <sys/mount.h>
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#include <string.h>
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#include <mtd/mtd-user.h>
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int main(int argc, char *argv[])
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{
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int fd;
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struct mtd_info_user mtdInfo;
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struct erase_info_user mtdLockInfo;
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/*
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* Parse command line options
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*/
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if(argc != 2)
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{
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fprintf(stderr, "USAGE: %s <mtd device>\n", argv[0]);
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exit(1);
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}
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else if(strncmp(argv[1], "/dev/mtd", 8) != 0)
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{
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fprintf(stderr, "'%s' is not a MTD device. Must specify mtd device: /dev/mtd?\n", argv[1]);
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exit(1);
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}
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fd = open(argv[1], O_RDWR);
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if(fd < 0)
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{
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fprintf(stderr, "Could not open mtd device: %s\n", argv[1]);
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exit(1);
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}
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if(ioctl(fd, MEMGETINFO, &mtdInfo))
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{
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fprintf(stderr, "Could not get MTD device info from %s\n", argv[1]);
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close(fd);
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exit(1);
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}
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mtdLockInfo.start = 0;
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mtdLockInfo.length = mtdInfo.size;
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if(ioctl(fd, MEMUNLOCK, &mtdLockInfo))
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{
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fprintf(stderr, "Could not unlock MTD device: %s\n", argv[1]);
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close(fd);
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exit(1);
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}
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return 0;
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}
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