s = (PXA2xxKeyPadState *) qemu_mallocz(sizeof(PXA2xxKeyPadState));
s->irq = irq;
- iomemtype = cpu_register_io_memory(0, pxa2xx_keypad_readfn,
+ iomemtype = cpu_register_io_memory(pxa2xx_keypad_readfn,
pxa2xx_keypad_writefn, s);
cpu_register_physical_memory(base, 0x00100000, iomemtype);