162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci#ifndef __ASM_DMA_H 662306a36Sopenharmony_ci#define __ASM_DMA_H 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#define MAX_DMA_ADDRESS PAGE_OFFSET 962306a36Sopenharmony_ci#define MAX_DMA32_PFN (1UL << (32 - PAGE_SHIFT)) 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#endif 12