static void __iomem *scu_base_addr(void) { if (machine_is_realview_eb_mp()) return __io_address(REALVIEW_EB11MP_SCU_BASE); else if (machine_is_realview_pb11mp()) return __io_address(REALVIEW_TC11MP_SCU_BASE); else if (machine_is_realview_pbx() && (core_tile_pbx11mp() || core_tile_pbxa9mp())) return __io_address(REALVIEW_PBX_TILE_SCU_BASE); else return (void __iomem *)0; }
/* * Adjust the zones if there are restrictions for DMA access. */ void __init realview_adjust_zones(unsigned long *size, unsigned long *hole) { unsigned long dma_size = SZ_256M >> PAGE_SHIFT; if (!machine_is_realview_pbx() || size[0] <= dma_size) return; size[ZONE_NORMAL] = size[0] - dma_size; size[ZONE_DMA] = dma_size; hole[ZONE_NORMAL] = hole[0]; hole[ZONE_DMA] = 0; }