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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ASM_CPU_SH3_DMA_H
2#define __ASM_CPU_SH3_DMA_H
3
Markus Brunner3ea6bc32007-08-20 08:59:33 +09004
5#if defined(CONFIG_CPU_SUBTYPE_SH7720)
6#define SH_DMAC_BASE 0xa4010020
7
8#define DMTE0_IRQ 48
9#define DMTE1_IRQ 49
10#define DMTE2_IRQ 50
11#define DMTE3_IRQ 51
12#define DMTE4_IRQ 76
13#define DMTE5_IRQ 77
14
15#else
Linus Torvalds1da177e2005-04-16 15:20:36 -070016#define SH_DMAC_BASE 0xa4000020
Markus Brunner3ea6bc32007-08-20 08:59:33 +090017#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070018
Paul Mundt0d831772006-01-16 22:14:09 -080019/* Definitions for the SuperH DMAC */
20#define TM_BURST 0x00000020
21#define TS_8 0x00000000
22#define TS_16 0x00000008
23#define TS_32 0x00000010
24#define TS_128 0x00000018
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
Paul Mundt0d831772006-01-16 22:14:09 -080026#define CHCR_TS_MASK 0x18
27#define CHCR_TS_SHIFT 3
28
29#define DMAOR_INIT DMAOR_DME
30
31/*
32 * The SuperH DMAC supports a number of transmit sizes, we list them here,
33 * with their respective values as they appear in the CHCR registers.
34 */
35enum {
36 XMIT_SZ_8BIT,
37 XMIT_SZ_16BIT,
38 XMIT_SZ_32BIT,
39 XMIT_SZ_128BIT,
40};
41
David Rientjesd16aaffa2007-05-09 02:35:28 -070042static unsigned int ts_shift[] __maybe_unused = {
Paul Mundt0d831772006-01-16 22:14:09 -080043 [XMIT_SZ_8BIT] = 0,
44 [XMIT_SZ_16BIT] = 1,
45 [XMIT_SZ_32BIT] = 2,
46 [XMIT_SZ_128BIT] = 4,
47};
48
49#endif /* __ASM_CPU_SH3_DMA_H */