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kernel/linux-rt-4.4.41/arch/blackfin/mach-bf548/include/mach/dma.h 1.98 KB
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  /* mach/dma.h - arch-specific DMA defines
   *
   * Copyright 2004-2008 Analog Devices Inc.
   *
   * Licensed under the GPL-2 or later.
   */
  
  #ifndef _MACH_DMA_H_
  #define _MACH_DMA_H_
  
  #define CH_SPORT0_RX		0
  #define CH_SPORT0_TX		1
  #define CH_SPORT1_RX		2
  #define CH_SPORT1_TX		3
  #define CH_SPI0			4
  #define CH_SPI1			5
  #define CH_UART0_RX 		6
  #define CH_UART0_TX 		7
  #define CH_UART1_RX 		8
  #define CH_UART1_TX 		9
  #define CH_ATAPI_RX		10
  #define CH_ATAPI_TX		11
  #define CH_EPPI0		12
  #define CH_EPPI1		13
  #define CH_EPPI2		14
  #define CH_PIXC_IMAGE		15
  #define CH_PIXC_OVERLAY		16
  #define CH_PIXC_OUTPUT		17
  #define CH_SPORT2_RX		18
  #define CH_SPORT2_TX		19
  #define CH_SPORT3_RX		20
  #define CH_SPORT3_TX		21
  #define CH_SDH			22
  #define CH_NFC			22
  #define CH_SPI2			23
  
  #if defined(CONFIG_UART2_DMA_RX_ON_DMA13)
  #define CH_UART2_RX		13
  #define IRQ_UART2_RX		BFIN_IRQ(37)	/* UART2 RX USE EPP1 (DMA13) Interrupt */
  #define CH_UART2_TX		14
  #define IRQ_UART2_TX		BFIN_IRQ(38)	/* UART2 RX USE EPP1 (DMA14) Interrupt */
  #else						/* Default USE SPORT2's DMA Channel */
  #define CH_UART2_RX		18
  #define IRQ_UART2_RX		BFIN_IRQ(33)	/* UART2 RX (DMA18) Interrupt */
  #define CH_UART2_TX		19
  #define IRQ_UART2_TX		BFIN_IRQ(34)	/* UART2 TX (DMA19) Interrupt */
  #endif
  
  #if defined(CONFIG_UART3_DMA_RX_ON_DMA15)
  #define CH_UART3_RX		15
  #define IRQ_UART3_RX		BFIN_IRQ(64)	/* UART3 RX USE PIXC IN0 (DMA15) Interrupt */
  #define CH_UART3_TX		16
  #define IRQ_UART3_TX		BFIN_IRQ(65)	/* UART3 TX USE PIXC IN1 (DMA16) Interrupt */
  #else						/* Default USE SPORT3's DMA Channel */
  #define CH_UART3_RX		20
  #define IRQ_UART3_RX		BFIN_IRQ(35)	/* UART3 RX (DMA20) Interrupt */
  #define CH_UART3_TX		21
  #define IRQ_UART3_TX		BFIN_IRQ(36)	/* UART3 TX (DMA21) Interrupt */
  #endif
  
  #define CH_MEM_STREAM0_DEST	24
  #define CH_MEM_STREAM0_SRC	25
  #define CH_MEM_STREAM1_DEST	26
  #define CH_MEM_STREAM1_SRC	27
  #define CH_MEM_STREAM2_DEST	28
  #define CH_MEM_STREAM2_SRC	29
  #define CH_MEM_STREAM3_DEST	30
  #define CH_MEM_STREAM3_SRC	31
  
  #define MAX_DMA_CHANNELS 32
  
  #endif