fbase = _ALIGN_UP(fbase, 1 << IO_SEGMENT_SHIFT);
fsize = lmb_phys_mem_size();
- if ((fbase + fsize) <= 0x800000000)
+ if ((fbase + fsize) <= 0x800000000ul)
hbase = 0; /* use the device tree window */
else {
/* If we're over 32 GB we need to cheat. We can't map all of