1 /* $NetBSD: dw-dmac.h,v 1.1.1.1 2019/05/25 11:29:13 jmcneill Exp $ */ 2 3 /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ 4 5 #ifndef __DT_BINDINGS_DMA_DW_DMAC_H__ 6 #define __DT_BINDINGS_DMA_DW_DMAC_H__ 7 8 /* 9 * Protection Control bits provide protection against illegal transactions. 10 * The protection bits[0:2] are one-to-one mapped to AHB HPROT[3:1] signals. 11 */ 12 #define DW_DMAC_HPROT1_PRIVILEGED_MODE (1 << 0) /* Privileged Mode */ 13 #define DW_DMAC_HPROT2_BUFFERABLE (1 << 1) /* DMA is bufferable */ 14 #define DW_DMAC_HPROT3_CACHEABLE (1 << 2) /* DMA is cacheable */ 15 16 #endif /* __DT_BINDINGS_DMA_DW_DMAC_H__ */ 17
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