1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4 */ 5#ifndef __ASM_DMA_H 6#define __ASM_DMA_H 7 8#define MAX_DMA_ADDRESS PAGE_OFFSET 9#define MAX_DMA32_PFN (1UL << (32 - PAGE_SHIFT)) 10 11#endif 12