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authorBob Liu <lliubbo@gmail.com>2012-05-16 05:37:24 -0400
committerBob Liu <lliubbo@gmail.com>2012-05-21 02:54:12 -0400
commitb5affb0147cee0ea05d909396f8e389092729236 (patch)
tree483471450269ac65f7748b5408c7f77520421d55 /arch/blackfin/include/asm/bfin_dma.h
parent22a826288522863fb748851824ce634eda4f1b07 (diff)
blackfin: add bf60x to current framework
This patch added bf60x to current blackfin kernel framework. Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin/include/asm/bfin_dma.h')
-rw-r--r--arch/blackfin/include/asm/bfin_dma.h84
1 files changed, 79 insertions, 5 deletions
diff --git a/arch/blackfin/include/asm/bfin_dma.h b/arch/blackfin/include/asm/bfin_dma.h
index d51120744148..6319f4e49083 100644
--- a/arch/blackfin/include/asm/bfin_dma.h
+++ b/arch/blackfin/include/asm/bfin_dma.h
@@ -15,12 +15,55 @@
15#define DMAEN 0x0001 /* DMA Channel Enable */ 15#define DMAEN 0x0001 /* DMA Channel Enable */
16#define WNR 0x0002 /* Channel Direction (W/R*) */ 16#define WNR 0x0002 /* Channel Direction (W/R*) */
17#define WDSIZE_8 0x0000 /* Transfer Word Size = 8 */ 17#define WDSIZE_8 0x0000 /* Transfer Word Size = 8 */
18#define PSIZE_8 0x00000000 /* Transfer Word Size = 16 */
19
20#ifdef CONFIG_BF60x
21
22#define PSIZE_16 0x00000010 /* Transfer Word Size = 16 */
23#define PSIZE_32 0x00000020 /* Transfer Word Size = 32 */
24#define PSIZE_64 0x00000030 /* Transfer Word Size = 32 */
25#define WDSIZE_16 0x00000100 /* Transfer Word Size = 16 */
26#define WDSIZE_32 0x00000200 /* Transfer Word Size = 32 */
27#define WDSIZE_64 0x00000300 /* Transfer Word Size = 32 */
28#define WDSIZE_128 0x00000400 /* Transfer Word Size = 32 */
29#define WDSIZE_256 0x00000500 /* Transfer Word Size = 32 */
30#define DMA2D 0x04000000 /* DMA Mode (2D/1D*) */
31#define RESTART 0x00000004 /* DMA Buffer Clear SYNC */
32#define DI_EN_X 0x00100000 /* Data Interrupt Enable in X count */
33#define DI_EN_Y 0x00200000 /* Data Interrupt Enable in Y count */
34#define DI_EN_P 0x00300000 /* Data Interrupt Enable in Peripheral */
35#define DI_EN DI_EN_X /* Data Interrupt Enable */
36#define NDSIZE_0 0x00000000 /* Next Descriptor Size = 1 */
37#define NDSIZE_1 0x00010000 /* Next Descriptor Size = 2 */
38#define NDSIZE_2 0x00020000 /* Next Descriptor Size = 3 */
39#define NDSIZE_3 0x00030000 /* Next Descriptor Size = 4 */
40#define NDSIZE_4 0x00040000 /* Next Descriptor Size = 5 */
41#define NDSIZE_5 0x00050000 /* Next Descriptor Size = 6 */
42#define NDSIZE_6 0x00060000 /* Next Descriptor Size = 7 */
43#define NDSIZE 0x00070000 /* Next Descriptor Size */
44#define NDSIZE_OFFSET 16 /* Next Descriptor Size Offset */
45#define DMAFLOW_LIST 0x00004000 /* Descriptor List Mode */
46#define DMAFLOW_LARGE DMAFLOW_LIST
47#define DMAFLOW_ARRAY 0x00005000 /* Descriptor Array Mode */
48#define DMAFLOW_LIST_DEMAND 0x00006000 /* Descriptor Demand List Mode */
49#define DMAFLOW_ARRAY_DEMAND 0x00007000 /* Descriptor Demand Array Mode */
50#define DMA_RUN_DFETCH 0x00000100 /* DMA Channel Running Indicator (DFETCH) */
51#define DMA_RUN 0x00000200 /* DMA Channel Running Indicator */
52#define DMA_RUN_WAIT_TRIG 0x00000300 /* DMA Channel Running Indicator (WAIT TRIG) */
53#define DMA_RUN_WAIT_ACK 0x00000400 /* DMA Channel Running Indicator (WAIT ACK) */
54
55#else
56
57#define PSIZE_16 0x0000 /* Transfer Word Size = 16 */
58#define PSIZE_32 0x0000 /* Transfer Word Size = 32 */
18#define WDSIZE_16 0x0004 /* Transfer Word Size = 16 */ 59#define WDSIZE_16 0x0004 /* Transfer Word Size = 16 */
19#define WDSIZE_32 0x0008 /* Transfer Word Size = 32 */ 60#define WDSIZE_32 0x0008 /* Transfer Word Size = 32 */
20#define DMA2D 0x0010 /* DMA Mode (2D/1D*) */ 61#define DMA2D 0x0010 /* DMA Mode (2D/1D*) */
21#define RESTART 0x0020 /* DMA Buffer Clear */ 62#define RESTART 0x0020 /* DMA Buffer Clear */
22#define DI_SEL 0x0040 /* Data Interrupt Timing Select */ 63#define DI_SEL 0x0040 /* Data Interrupt Timing Select */
23#define DI_EN 0x0080 /* Data Interrupt Enable */ 64#define DI_EN 0x0080 /* Data Interrupt Enable */
65#define DI_EN_X 0x00C0 /* Data Interrupt Enable in X count*/
66#define DI_EN_Y 0x0080 /* Data Interrupt Enable in Y count*/
24#define NDSIZE_0 0x0000 /* Next Descriptor Size = 0 (Stop/Autobuffer) */ 67#define NDSIZE_0 0x0000 /* Next Descriptor Size = 0 (Stop/Autobuffer) */
25#define NDSIZE_1 0x0100 /* Next Descriptor Size = 1 */ 68#define NDSIZE_1 0x0100 /* Next Descriptor Size = 1 */
26#define NDSIZE_2 0x0200 /* Next Descriptor Size = 2 */ 69#define NDSIZE_2 0x0200 /* Next Descriptor Size = 2 */
@@ -32,18 +75,26 @@
32#define NDSIZE_8 0x0800 /* Next Descriptor Size = 8 */ 75#define NDSIZE_8 0x0800 /* Next Descriptor Size = 8 */
33#define NDSIZE_9 0x0900 /* Next Descriptor Size = 9 */ 76#define NDSIZE_9 0x0900 /* Next Descriptor Size = 9 */
34#define NDSIZE 0x0f00 /* Next Descriptor Size */ 77#define NDSIZE 0x0f00 /* Next Descriptor Size */
35#define DMAFLOW 0x7000 /* Flow Control */ 78#define NDSIZE_OFFSET 8 /* Next Descriptor Size Offset */
36#define DMAFLOW_STOP 0x0000 /* Stop Mode */
37#define DMAFLOW_AUTO 0x1000 /* Autobuffer Mode */
38#define DMAFLOW_ARRAY 0x4000 /* Descriptor Array Mode */ 79#define DMAFLOW_ARRAY 0x4000 /* Descriptor Array Mode */
39#define DMAFLOW_SMALL 0x6000 /* Small Model Descriptor List Mode */ 80#define DMAFLOW_SMALL 0x6000 /* Small Model Descriptor List Mode */
40#define DMAFLOW_LARGE 0x7000 /* Large Model Descriptor List Mode */ 81#define DMAFLOW_LARGE 0x7000 /* Large Model Descriptor List Mode */
82#define DFETCH 0x0004 /* DMA Descriptor Fetch Indicator */
83#define DMA_RUN 0x0008 /* DMA Channel Running Indicator */
84
85#endif
86#define DMAFLOW 0x7000 /* Flow Control */
87#define DMAFLOW_STOP 0x0000 /* Stop Mode */
88#define DMAFLOW_AUTO 0x1000 /* Autobuffer Mode */
41 89
42/* DMA_IRQ_STATUS Masks */ 90/* DMA_IRQ_STATUS Masks */
43#define DMA_DONE 0x0001 /* DMA Completion Interrupt Status */ 91#define DMA_DONE 0x0001 /* DMA Completion Interrupt Status */
44#define DMA_ERR 0x0002 /* DMA Error Interrupt Status */ 92#define DMA_ERR 0x0002 /* DMA Error Interrupt Status */
45#define DFETCH 0x0004 /* DMA Descriptor Fetch Indicator */ 93#ifdef CONFIG_BF60x
46#define DMA_RUN 0x0008 /* DMA Channel Running Indicator */ 94#define DMA_PIRQ 0x0004 /* DMA Peripheral Error Interrupt Status */
95#else
96#define DMA_PIRQ 0
97#endif
47 98
48/* 99/*
49 * All Blackfin system MMRs are padded to 32bits even if the register 100 * All Blackfin system MMRs are padded to 32bits even if the register
@@ -57,6 +108,26 @@
57struct bfin_dma_regs { 108struct bfin_dma_regs {
58 u32 next_desc_ptr; 109 u32 next_desc_ptr;
59 u32 start_addr; 110 u32 start_addr;
111#ifdef CONFIG_BF60x
112 u32 cfg;
113 u32 x_count;
114 u32 x_modify;
115 u32 y_count;
116 u32 y_modify;
117 u32 pad1;
118 u32 pad2;
119 u32 curr_desc_ptr;
120 u32 prev_desc_ptr;
121 u32 curr_addr;
122 u32 irq_status;
123 u32 curr_x_count;
124 u32 curr_y_count;
125 u32 pad3;
126 u32 bw_limit_count;
127 u32 curr_bw_limit_count;
128 u32 bw_monitor_count;
129 u32 curr_bw_monitor_count;
130#else
60 __BFP(config); 131 __BFP(config);
61 u32 __pad0; 132 u32 __pad0;
62 __BFP(x_count); 133 __BFP(x_count);
@@ -71,8 +142,10 @@ struct bfin_dma_regs {
71 u32 __pad1; 142 u32 __pad1;
72 __BFP(curr_y_count); 143 __BFP(curr_y_count);
73 u32 __pad2; 144 u32 __pad2;
145#endif
74}; 146};
75 147
148#ifndef CONFIG_BF60x
76/* 149/*
77 * bfin handshake mdma registers layout 150 * bfin handshake mdma registers layout
78 */ 151 */
@@ -85,6 +158,7 @@ struct bfin_hmdma_regs {
85 __BFP(ecount); 158 __BFP(ecount);
86 __BFP(bcount); 159 __BFP(bcount);
87}; 160};
161#endif
88 162
89#undef __BFP 163#undef __BFP
90 164