You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.3 KiB
52 lines
1.3 KiB
/*
|
|
* arch/sh/drivers/dma/dma-sh.h
|
|
*
|
|
* Copyright (C) 2000 Takashi YOSHII
|
|
* Copyright (C) 2003 Paul Mundt
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*/
|
|
#ifndef __DMA_SH_H
|
|
#define __DMA_SH_H
|
|
|
|
/* Definitions for the SuperH DMAC */
|
|
#define REQ_L 0x00000000
|
|
#define REQ_E 0x00080000
|
|
#define RACK_H 0x00000000
|
|
#define RACK_L 0x00040000
|
|
#define ACK_R 0x00000000
|
|
#define ACK_W 0x00020000
|
|
#define ACK_H 0x00000000
|
|
#define ACK_L 0x00010000
|
|
#define DM_INC 0x00004000
|
|
#define DM_DEC 0x00008000
|
|
#define SM_INC 0x00001000
|
|
#define SM_DEC 0x00002000
|
|
#define RS_IN 0x00000200
|
|
#define RS_OUT 0x00000300
|
|
#define TM_BURST 0x0000080
|
|
#define TS_8 0x00000010
|
|
#define TS_16 0x00000020
|
|
#define TS_32 0x00000030
|
|
#define TS_64 0x00000000
|
|
#define TS_BLK 0x00000040
|
|
#define CHCR_DE 0x00000001
|
|
#define CHCR_TE 0x00000002
|
|
#define CHCR_IE 0x00000004
|
|
|
|
/* Define the default configuration for dual address memory-memory transfer.
|
|
* The 0x400 value represents auto-request, external->external.
|
|
*/
|
|
#define RS_DUAL (DM_INC | SM_INC | 0x400 | TS_32)
|
|
|
|
#define DMAOR_COD 0x00000008
|
|
#define DMAOR_AE 0x00000004
|
|
#define DMAOR_NMIF 0x00000002
|
|
#define DMAOR_DME 0x00000001
|
|
|
|
#define MAX_DMAC_CHANNELS (CONFIG_NR_ONCHIP_DMA_CHANNELS)
|
|
|
|
#endif /* __DMA_SH_H */
|
|
|
|
|