#define CONFIG_MTD_NAND_LOGICAL_ADDRESS_ACCESS

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <string.h>

#include <asm/types.h>
#include <linux/mtd/mtd.h>

static int open_mtd(void)
{
	int fd;
	mtd_info_t meminfo;

	/* Open the device */
	if((fd = open("/dev/mtd1", O_RDWR)) == -1) {
	    if((fd = open("/dev/mtd/1", O_RDWR)) == -1) {
		perror("open flash");
		exit(1);
	    }
	}

	/* Fill in MTD device capability structure */  
	if(ioctl(fd, MEMGETINFO, &meminfo) != 0) {
		perror("MEMGETINFO");
		close(fd);
		exit(1);
	}

	/* Make sure device page sizes are valid */
	if( !(meminfo.oobsize == 64 && meminfo.oobblock == 2048) &&
	    !(meminfo.oobsize == 16 && meminfo.oobblock == 512 ) &&
	    !(meminfo.oobsize ==  8 && meminfo.oobblock == 256 ) ) {
		printf("Unknown flash (not normal NAND)\n");
		close(fd);
		exit(1);
	}

	return fd;
}

static void read_mtd(int mfd, loff_t offset, size_t len, void *buf)
{
	struct read_laddr_info_user rinfo;
	
	rinfo.from = offset;
	rinfo.len = len;
	rinfo.buf = (u_char *) buf;
	if (ioctl(mfd, MEMREADLADDR, &rinfo) != 0) {
		perror("ioctl(MEMREADLADDR)");
		close(mfd);
		exit(1);
	}
}

int main(char *argv[])
{
	int mfd;
	unsigned int boot_partition;
	unsigned int fsro_partition;

	mfd = open_mtd();
	read_mtd(mfd, 0x60004, 4, &boot_partition);
	read_mtd(mfd, 0x60014, 4, &fsro_partition);
	close(mfd);

		printf("ROOT end: %08x\n", boot_partition);
		printf("FSRO end: %08x\n", fsro_partition);
	}

	return 0;
}