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dma.h
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1 /* mach/dma.h - arch-specific DMA defines
2  *
3  * Copyright 2004-2008 Analog Devices Inc.
4  *
5  * Licensed under the GPL-2 or later.
6  */
7 
8 #ifndef _MACH_DMA_H_
9 #define _MACH_DMA_H_
10 
11 #define CH_SPORT0_RX 0
12 #define CH_SPORT0_TX 1
13 #define CH_SPORT1_RX 2
14 #define CH_SPORT1_TX 3
15 #define CH_SPI0 4
16 #define CH_SPI1 5
17 #define CH_UART0_RX 6
18 #define CH_UART0_TX 7
19 #define CH_UART1_RX 8
20 #define CH_UART1_TX 9
21 #define CH_ATAPI_RX 10
22 #define CH_ATAPI_TX 11
23 #define CH_EPPI0 12
24 #define CH_EPPI1 13
25 #define CH_EPPI2 14
26 #define CH_PIXC_IMAGE 15
27 #define CH_PIXC_OVERLAY 16
28 #define CH_PIXC_OUTPUT 17
29 #define CH_SPORT2_RX 18
30 #define CH_SPORT2_TX 19
31 #define CH_SPORT3_RX 20
32 #define CH_SPORT3_TX 21
33 #define CH_SDH 22
34 #define CH_NFC 22
35 #define CH_SPI2 23
36 
37 #if defined(CONFIG_UART2_DMA_RX_ON_DMA13)
38 #define CH_UART2_RX 13
39 #define IRQ_UART2_RX BFIN_IRQ(37) /* UART2 RX USE EPP1 (DMA13) Interrupt */
40 #define CH_UART2_TX 14
41 #define IRQ_UART2_TX BFIN_IRQ(38) /* UART2 RX USE EPP1 (DMA14) Interrupt */
42 #else /* Default USE SPORT2's DMA Channel */
43 #define CH_UART2_RX 18
44 #define IRQ_UART2_RX BFIN_IRQ(33) /* UART2 RX (DMA18) Interrupt */
45 #define CH_UART2_TX 19
46 #define IRQ_UART2_TX BFIN_IRQ(34) /* UART2 TX (DMA19) Interrupt */
47 #endif
48 
49 #if defined(CONFIG_UART3_DMA_RX_ON_DMA15)
50 #define CH_UART3_RX 15
51 #define IRQ_UART3_RX BFIN_IRQ(64) /* UART3 RX USE PIXC IN0 (DMA15) Interrupt */
52 #define CH_UART3_TX 16
53 #define IRQ_UART3_TX BFIN_IRQ(65) /* UART3 TX USE PIXC IN1 (DMA16) Interrupt */
54 #else /* Default USE SPORT3's DMA Channel */
55 #define CH_UART3_RX 20
56 #define IRQ_UART3_RX BFIN_IRQ(35) /* UART3 RX (DMA20) Interrupt */
57 #define CH_UART3_TX 21
58 #define IRQ_UART3_TX BFIN_IRQ(36) /* UART3 TX (DMA21) Interrupt */
59 #endif
60 
61 #define CH_MEM_STREAM0_DEST 24
62 #define CH_MEM_STREAM0_SRC 25
63 #define CH_MEM_STREAM1_DEST 26
64 #define CH_MEM_STREAM1_SRC 27
65 #define CH_MEM_STREAM2_DEST 28
66 #define CH_MEM_STREAM2_SRC 29
67 #define CH_MEM_STREAM3_DEST 30
68 #define CH_MEM_STREAM3_SRC 31
69 
70 #define MAX_DMA_CHANNELS 32
71 
72 #endif