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authorAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
committerAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
commitada47b5fe13d89735805b566185f4885f5a3f750 (patch)
tree644b88f8a71896307d71438e9b3af49126ffb22b /arch/sh/include/asm/dma-sh.h
parent43e98717ad40a4ae64545b5ba047c7b86aa44f4f (diff)
parent3280f21d43ee541f97f8cda5792150d2dbec20d5 (diff)
Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master
Diffstat (limited to 'arch/sh/include/asm/dma-sh.h')
-rw-r--r--arch/sh/include/asm/dma-sh.h63
1 files changed, 9 insertions, 54 deletions
diff --git a/arch/sh/include/asm/dma-sh.h b/arch/sh/include/asm/dma-sh.h
index 78eed3e0bdf5..f3acb8e34c6b 100644
--- a/arch/sh/include/asm/dma-sh.h
+++ b/arch/sh/include/asm/dma-sh.h
@@ -11,7 +11,8 @@
11#ifndef __DMA_SH_H 11#ifndef __DMA_SH_H
12#define __DMA_SH_H 12#define __DMA_SH_H
13 13
14#include <asm/dma.h> 14#include <asm/dma-register.h>
15#include <cpu/dma-register.h>
15#include <cpu/dma.h> 16#include <cpu/dma.h>
16 17
17/* DMAOR contorl: The DMAOR access size is different by CPU.*/ 18/* DMAOR contorl: The DMAOR access size is different by CPU.*/
@@ -20,14 +21,14 @@
20 defined(CONFIG_CPU_SUBTYPE_SH7780) || \ 21 defined(CONFIG_CPU_SUBTYPE_SH7780) || \
21 defined(CONFIG_CPU_SUBTYPE_SH7785) 22 defined(CONFIG_CPU_SUBTYPE_SH7785)
22#define dmaor_read_reg(n) \ 23#define dmaor_read_reg(n) \
23 (n ? ctrl_inw(SH_DMAC_BASE1 + DMAOR) \ 24 (n ? __raw_readw(SH_DMAC_BASE1 + DMAOR) \
24 : ctrl_inw(SH_DMAC_BASE0 + DMAOR)) 25 : __raw_readw(SH_DMAC_BASE0 + DMAOR))
25#define dmaor_write_reg(n, data) \ 26#define dmaor_write_reg(n, data) \
26 (n ? ctrl_outw(data, SH_DMAC_BASE1 + DMAOR) \ 27 (n ? __raw_writew(data, SH_DMAC_BASE1 + DMAOR) \
27 : ctrl_outw(data, SH_DMAC_BASE0 + DMAOR)) 28 : __raw_writew(data, SH_DMAC_BASE0 + DMAOR))
28#else /* Other CPU */ 29#else /* Other CPU */
29#define dmaor_read_reg(n) ctrl_inw(SH_DMAC_BASE0 + DMAOR) 30#define dmaor_read_reg(n) __raw_readw(SH_DMAC_BASE0 + DMAOR)
30#define dmaor_write_reg(n, data) ctrl_outw(data, SH_DMAC_BASE0 + DMAOR) 31#define dmaor_write_reg(n, data) __raw_writew(data, SH_DMAC_BASE0 + DMAOR)
31#endif 32#endif
32 33
33static int dmte_irq_map[] __maybe_unused = { 34static int dmte_irq_map[] __maybe_unused = {
@@ -53,37 +54,11 @@ static int dmte_irq_map[] __maybe_unused = {
53#endif 54#endif
54}; 55};
55 56
56/* Definitions for the SuperH DMAC */
57#define REQ_L 0x00000000
58#define REQ_E 0x00080000
59#define RACK_H 0x00000000
60#define RACK_L 0x00040000
61#define ACK_R 0x00000000
62#define ACK_W 0x00020000
63#define ACK_H 0x00000000
64#define ACK_L 0x00010000
65#define DM_INC 0x00004000
66#define DM_DEC 0x00008000
67#define SM_INC 0x00001000
68#define SM_DEC 0x00002000
69#define RS_IN 0x00000200
70#define RS_OUT 0x00000300
71#define TS_BLK 0x00000040
72#define TM_BUR 0x00000020
73#define CHCR_DE 0x00000001
74#define CHCR_TE 0x00000002
75#define CHCR_IE 0x00000004
76
77/* DMAOR definitions */
78#define DMAOR_AE 0x00000004
79#define DMAOR_NMIF 0x00000002
80#define DMAOR_DME 0x00000001
81
82/* 57/*
83 * Define the default configuration for dual address memory-memory transfer. 58 * Define the default configuration for dual address memory-memory transfer.
84 * The 0x400 value represents auto-request, external->external. 59 * The 0x400 value represents auto-request, external->external.
85 */ 60 */
86#define RS_DUAL (DM_INC | SM_INC | 0x400 | TS_32) 61#define RS_DUAL (DM_INC | SM_INC | 0x400 | TS_INDEX2VAL(XMIT_SZ_32BIT))
87 62
88/* DMA base address */ 63/* DMA base address */
89static u32 dma_base_addr[] __maybe_unused = { 64static u32 dma_base_addr[] __maybe_unused = {
@@ -109,24 +84,4 @@ static u32 dma_base_addr[] __maybe_unused = {
109#endif 84#endif
110}; 85};
111 86
112/* DMA register */
113#define SAR 0x00
114#define DAR 0x04
115#define TCR 0x08
116#define CHCR 0x0C
117#define DMAOR 0x40
118
119/*
120 * for dma engine
121 *
122 * SuperH DMA mode
123 */
124#define SHDMA_MIX_IRQ (1 << 1)
125#define SHDMA_DMAOR1 (1 << 2)
126#define SHDMA_DMAE1 (1 << 3)
127
128struct sh_dmae_pdata {
129 unsigned int mode;
130};
131
132#endif /* __DMA_SH_H */ 87#endif /* __DMA_SH_H */