HPPA_FLEX_MASK
((struct iomod *)(hppa_mcpuhpa & HPPA_FLEX_MASK))[FPA_IOMOD].io_flex =
(void *)((hppa_mcpuhpa & HPPA_FLEX_MASK) | DMA_ENABLE);
aprint_normal(" [flex %lx]\n", hppa_mcpuhpa & HPPA_FLEX_MASK);
spa = pa & HPPA_FLEX_MASK;
#define HPPA_FLEX_SIZE (~HPPA_FLEX_MASK + 1)
#define HPPA_FLEX(a) (((a) & HPPA_FLEX_MASK) >> 18)