mips_ptob
mips_ptob(mips_btop(bootinfo->fb_addr));
MIPS_PHYS_TO_KSEG1(mips_ptob(mips_btop(sc->sc_baseaddr)));
fb->hf_baseaddr = mips_ptob(mips_btop(bootinfo->fb_addr));
fb->hf_offset = (u_long)fbvaddr - mips_ptob(mips_btop(fbvaddr));
mips_ptob(mips_btop(fbvaddr));
#define pmap_phys_address(x) mips_ptob(x)