/*
* initial mtd device
*/
static __init void mtd_device_init(void)
{
/*
* probe all nand flash device
*/
nand_flash_probe();
}
static int probe(int argc, char ** argv)
{
s32_t i;
if(argc < 2)
{
usage();
return -1;
}
for(i=1; i<argc; i++)
{
if( !strcmp((const char *)argv[i], "nor"))
{
}
else if( !strcmp((const char *)argv[i], "nand"))
{
nand_flash_probe();
list_nand_flash();
}
else if( !strcmp((const char *)argv[i], "mmc"))
{
mmc_card_probe();
list_mmc_card();
}
else
{
printk("do not probe device with the type of '%s'\r\n", argv[i]);
}
}
return 0;
}
static int nand(int argc, char ** argv)
{
struct nand_device * nand;
u32_t off = 0;
u32_t size = 0;
u32_t addr = 0;
u32_t o, l, len = 0;
char * filename;
u8_t * buf;
s32_t fd;
s32_t n;
if(argc < 2)
{
list_nand_device();
return 0;
}
if( !strcmp((const char *)argv[1], "list"))
{
list_nand_device();
return 0;
}
else if( !strcmp((const char *)argv[1], "probe"))
{
nand_flash_probe();
list_nand_device();
return 0;
}
else if( !strcmp((const char *)argv[1], "read") )
{
if(argc != 7)
{
usage();
return -1;
}
nand = search_nand_device((const char *)argv[2]);
if(!nand)
{
printk(" not found nand device \"%s\"\r\n", argv[2]);
printk(" try 'nand list' for list all of nand devices\r\n");
return -1;
}
off = strtoul((const char *)argv[3], NULL, 0);
size = strtoul((const char *)argv[4], NULL, 0);
if( !strcmp((const char *)argv[5], "-r") )
{
addr = strtoul((const char *)argv[6], NULL, 0);
if(nand_read(nand, (u8_t *)addr, off, size) != 0)
return -1;
printk("read %s 0x%08lx ~ 0x%08lx to ram 0x%08lx.\r\n", nand->name, off, off + size, addr);
}
else if( !strcmp((const char *)argv[5], "-f") )
{
filename = (char *)argv[6];
buf = malloc(SZ_64K);
if(!buf)
return -1;
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH));
if(fd < 0)
{
free(buf);
return -1;
}
o = off;
while(len < size)
{
if(len + SZ_64K > size)
l = size - len;
else
l = SZ_64K;
if(nand_read(nand, buf, o, l) != 0)
{
close(fd);
unlink(filename);
free(buf);
return -1;
}
n = write(fd, (void *)buf, l);
if( n != l )
{
close(fd);
unlink(filename);
free(buf);
return -1;
}
o += l;
len += l;
}
close(fd);
free(buf);
printk("read %s 0x%08lx ~ 0x%08lx to file %s.\r\n", nand->name, off, off + size, filename);
}
else
{
usage();
return -1;
}
}
else if( !strcmp((const char *)argv[1], "write") )
{
}
else if( !strcmp((const char *)argv[1], "erase") )
{
}
else if( !strcmp((const char *)argv[1], "bad") )
{
}
else
{
usage();
return -1;
}
return 0;
}
