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/*
sltime utility replacement for Sharp Zaurus SL-C7x0/860
version 1.0
Copyright 2004 Alexander Chukov <sash@cacko.biz>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#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>
#define CONFIG_MTD_NAND_LOGICAL_ADDRESS_ACCESS
#include "mtduser.h"
#define APM_IOC_SETRTC 0x4146
#define APM_IOC_GETRTC 0x4147
static int open_mtd(void)
{
int fd;
mtd_info_t meminfo;
/* Open the device */
if((fd = open("/dev/mtd1", 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 == 16 && meminfo.oobblock == 512) &&
!(meminfo.oobsize == 8 && meminfo.oobblock == 256) ) {
printf("Unknown flash (not normal NAND)\n");
close(fd);
exit(1);
}
return fd;
}
int main(int argc, char *argv[])
{
int fd, mfd;
struct timeval tv;
unsigned int setime;
struct read_laddr_info_user rinfo = {0x4C004, 4, (unsigned char *) &setime};
if (argc < 2) {
mfd = open_mtd();
if (ioctl(mfd, MEMREADLADDR, &rinfo) != 0) {
perror("ioctl(MEMREADLADDR)");
close(mfd);
exit(1);
}
close(mfd);
fd = open("/dev/apm_bios", O_RDWR);
//setime += ioctl(fd, APM_IOC_GETRTC, 0);
ioctl(fd, APM_IOC_SETRTC, &setime);
tv.tv_usec = 0;
tv.tv_sec = setime;
settimeofday(&tv, 0);
close(fd);
} else if (strcmp(argv[1], "-clear") == 0) {
fd = open("/dev/apm_bios", O_RDWR);
tv.tv_usec = 0;
tv.tv_sec = 1075658510;
settimeofday(&tv, 0);
setime = tv.tv_sec;
ioctl(fd, APM_IOC_SETRTC, (void*)&setime);
close(fd);
} else if (strcmp(argv[1], "-set") == 0) {
gettimeofday(&tv, 0);
setime = tv.tv_sec;
mfd = open_mtd();
if (ioctl(mfd, MEMWRITELADDR, &rinfo) != 0) {
perror("ioctl(MEMWRITELADDR)");
close(mfd);
exit(1);
}
close(mfd);
} else {
fprintf(stderr, "Usage:\n%s [-set|-clear]\n", argv[0]);
exit(1);
}
return 0;
}
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