pdc_hpa
if (pdc_call((iodcio_t)pdc, 0, PDC_HPA, PDC_HPA_DFLT, &pdc_hpa) < 0)
printf(" [flex %x]\n", pdc_hpa.hpa & HPPA_FLEX_MASK);
if (bus_space_map(&hppa_bustag, pdc_hpa.hpa,
(~0LU - pdc_hpa.hpa + 1), 0, &ioh))
(pdc_hpa.hpa & HPPA_FLEX_MASK) | DMA_ENABLE;
sc->sc_hpa = pdc_hpa.hpa;
struct pdc_hpa pdc_hpa PDC_ALIGNMENT;