18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */
28c2ecf20Sopenharmony_ci/*
38c2ecf20Sopenharmony_ci * This file is subject to the terms and conditions of the GNU General Public
48c2ecf20Sopenharmony_ci * License.  See the file "COPYING" in the main directory of this archive
58c2ecf20Sopenharmony_ci * for more details.
68c2ecf20Sopenharmony_ci *
78c2ecf20Sopenharmony_ci * Copyright (C) 2020 Loongson Technology Co., Ltd.
88c2ecf20Sopenharmony_ci *
98c2ecf20Sopenharmony_ci */
108c2ecf20Sopenharmony_ci#ifndef __ASM_DMA_H
118c2ecf20Sopenharmony_ci#define __ASM_DMA_H
128c2ecf20Sopenharmony_ci
138c2ecf20Sopenharmony_ci#define MAX_DMA_ADDRESS	PAGE_OFFSET
148c2ecf20Sopenharmony_ci#define MAX_DMA32_PFN	(1UL << (32 - PAGE_SHIFT))
158c2ecf20Sopenharmony_ci
168c2ecf20Sopenharmony_ciextern int isa_dma_bridge_buggy;
178c2ecf20Sopenharmony_ci
188c2ecf20Sopenharmony_ci#endif
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