[ts-7000] how to get virtual address

["chaisc97" <>]

how can i get the virtual address of ts7200,

i use the following source,
error_io=check_mem_region(SMCBCR3,8);
if(error_io<0)
{
         return error_io;
}
request_mem_region(SMCBCR3,8,"smcbcr");
Address=(unsigned char *)ioremap(SMCBCR3,8);
printk("address=%x v_address=%x\n",SMCBCR3,Address);
writew(bankcfg,Address);
if(check_mem_region(DAC_offset,DAC_Size))
{
    printk("DAC already in use\n");
    return -EBUSY;
}
if (!request_mem_region(DAC_offset, DAC_Size, DAC_name))
{   printk("request_mem_region 0x30000080L error!\n");
    return -EBUSY;
}
     AT91_DAC_ADDR  = (unsigned char*)ioremap(DAC_offset,DAC_Size);
     printk("AT_91=%x vAT_91=%x\n",DAC_offset,AT91_DAC_ADDR);

******************************************
we get the following result
address=8008000c v_address=c604000c
AT_91=30000080 vAT_91=c6040080
Unhandled fault: external abort on non-linefetch (0x81a) at 0xc6040080
pgd = c5074000



who can tell me what's wrong with my code



 
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