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Diffstat (limited to 'include/asm-sh/cpu-sh4/dma-sh7780.h')
-rw-r--r--include/asm-sh/cpu-sh4/dma-sh7780.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/asm-sh/cpu-sh4/dma-sh7780.h b/include/asm-sh/cpu-sh4/dma-sh7780.h
new file mode 100644
index 000000000000..6c90d28331b2
--- /dev/null
+++ b/include/asm-sh/cpu-sh4/dma-sh7780.h
@@ -0,0 +1,39 @@
1#ifndef __ASM_SH_CPU_SH4_DMA_SH7780_H
2#define __ASM_SH_CPU_SH4_DMA_SH7780_H
3
4#define REQ_HE 0x000000C0
5#define REQ_H 0x00000080
6#define REQ_LE 0x00000040
7#define TM_BURST 0x0000020
8#define TS_8 0x00000000
9#define TS_16 0x00000008
10#define TS_32 0x00000010
11#define TS_16BLK 0x00000018
12#define TS_32BLK 0x00100000
13
14/*
15 * The SuperH DMAC supports a number of transmit sizes, we list them here,
16 * with their respective values as they appear in the CHCR registers.
17 *
18 * Defaults to a 64-bit transfer size.
19 */
20enum {
21 XMIT_SZ_8BIT,
22 XMIT_SZ_16BIT,
23 XMIT_SZ_32BIT,
24 XMIT_SZ_128BIT,
25 XMIT_SZ_256BIT,
26};
27
28/*
29 * The DMA count is defined as the number of bytes to transfer.
30 */
31static unsigned int __attribute__ ((used)) ts_shift[] = {
32 [XMIT_SZ_8BIT] = 0,
33 [XMIT_SZ_16BIT] = 1,
34 [XMIT_SZ_32BIT] = 2,
35 [XMIT_SZ_128BIT] = 4,
36 [XMIT_SZ_256BIT] = 5,
37};
38
39#endif /* __ASM_SH_CPU_SH4_DMA_SH7780_H */