cregit-Linux how code gets into the kernel

Release 4.14 arch/blackfin/mach-bf538/include/mach/irq.h

/*
 * Copyright 2008 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#ifndef _BF538_IRQ_H_

#define _BF538_IRQ_H_

#include <mach-common/irq.h>


#define NR_PERI_INTS		(2 * 32)


#define IRQ_PLL_WAKEUP		BFIN_IRQ(0)	
/* PLL Wakeup Interrupt */

#define IRQ_DMA0_ERROR		BFIN_IRQ(1)	
/* DMA Error 0 (generic) */

#define IRQ_PPI_ERROR		BFIN_IRQ(2)	
/* PPI Error */

#define IRQ_SPORT0_ERROR	BFIN_IRQ(3)	
/* SPORT0 Status */

#define IRQ_SPORT1_ERROR	BFIN_IRQ(4)	
/* SPORT1 Status */

#define IRQ_SPI0_ERROR		BFIN_IRQ(5)	
/* SPI0 Status */

#define IRQ_UART0_ERROR		BFIN_IRQ(6)	
/* UART0 Status */

#define IRQ_RTC			BFIN_IRQ(7)	
/* RTC */

#define IRQ_PPI			BFIN_IRQ(8)	
/* DMA Channel 0 (PPI) */

#define IRQ_SPORT0_RX		BFIN_IRQ(9)	
/* DMA 1 Channel (SPORT0 RX) */

#define IRQ_SPORT0_TX		BFIN_IRQ(10)	
/* DMA 2 Channel (SPORT0 TX) */

#define IRQ_SPORT1_RX		BFIN_IRQ(11)	
/* DMA 3 Channel (SPORT1 RX) */

#define IRQ_SPORT1_TX		BFIN_IRQ(12)	
/* DMA 4 Channel (SPORT1 TX) */

#define IRQ_SPI0		BFIN_IRQ(13)	
/* DMA 5 Channel (SPI0) */

#define IRQ_UART0_RX		BFIN_IRQ(14)	
/* DMA 6 Channel (UART0 RX) */

#define IRQ_UART0_TX		BFIN_IRQ(15)	
/* DMA 7 Channel (UART0 TX) */

#define IRQ_TIMER0		BFIN_IRQ(16)	
/* Timer 0 */

#define IRQ_TIMER1		BFIN_IRQ(17)	
/* Timer 1 */

#define IRQ_TIMER2		BFIN_IRQ(18)	
/* Timer 2 */

#define IRQ_PORTF_INTA		BFIN_IRQ(19)	
/* Port F Interrupt A */

#define IRQ_PORTF_INTB		BFIN_IRQ(20)	
/* Port F Interrupt B */

#define IRQ_MEM0_DMA0		BFIN_IRQ(21)	
/* MDMA0 Stream 0 */

#define IRQ_MEM0_DMA1		BFIN_IRQ(22)	
/* MDMA0 Stream 1 */

#define IRQ_WATCH		BFIN_IRQ(23)	
/* Software Watchdog Timer */

#define IRQ_DMA1_ERROR		BFIN_IRQ(24)	
/* DMA Error 1 (generic) */

#define IRQ_SPORT2_ERROR	BFIN_IRQ(25)	
/* SPORT2 Status */

#define IRQ_SPORT3_ERROR	BFIN_IRQ(26)	
/* SPORT3 Status */

#define IRQ_SPI1_ERROR		BFIN_IRQ(28)	
/* SPI1 Status */

#define IRQ_SPI2_ERROR		BFIN_IRQ(29)	
/* SPI2 Status */

#define IRQ_UART1_ERROR		BFIN_IRQ(30)	
/* UART1 Status */

#define IRQ_UART2_ERROR		BFIN_IRQ(31)	
/* UART2 Status */

#define IRQ_CAN_ERROR		BFIN_IRQ(32)	
/* CAN Status (Error) Interrupt */

#define IRQ_SPORT2_RX		BFIN_IRQ(33)	
/* DMA 8 Channel (SPORT2 RX) */

#define IRQ_SPORT2_TX		BFIN_IRQ(34)	
/* DMA 9 Channel (SPORT2 TX) */

#define IRQ_SPORT3_RX		BFIN_IRQ(35)	
/* DMA 10 Channel (SPORT3 RX) */

#define IRQ_SPORT3_TX		BFIN_IRQ(36)	
/* DMA 11 Channel (SPORT3 TX) */

#define IRQ_SPI1		BFIN_IRQ(39)	
/* DMA 14 Channel (SPI1) */

#define IRQ_SPI2		BFIN_IRQ(40)	
/* DMA 15 Channel (SPI2) */

#define IRQ_UART1_RX		BFIN_IRQ(41)	
/* DMA 16 Channel (UART1 RX) */

#define IRQ_UART1_TX		BFIN_IRQ(42)	
/* DMA 17 Channel (UART1 TX) */

#define IRQ_UART2_RX		BFIN_IRQ(43)	
/* DMA 18 Channel (UART2 RX) */

#define IRQ_UART2_TX		BFIN_IRQ(44)	
/* DMA 19 Channel (UART2 TX) */

#define IRQ_TWI0		BFIN_IRQ(45)	
/* TWI0 */

#define IRQ_TWI1		BFIN_IRQ(46)	
/* TWI1 */

#define IRQ_CAN_RX		BFIN_IRQ(47)	
/* CAN Receive Interrupt */

#define IRQ_CAN_TX		BFIN_IRQ(48)	
/* CAN Transmit Interrupt */

#define IRQ_MEM1_DMA0		BFIN_IRQ(49)	
/* MDMA1 Stream 0 */

#define IRQ_MEM1_DMA1		BFIN_IRQ(50)	
/* MDMA1 Stream 1 */


#define SYS_IRQS		BFIN_IRQ(63)	
/* 70 */


#define IRQ_PF0			71

#define IRQ_PF1			72

#define IRQ_PF2			73

#define IRQ_PF3			74

#define IRQ_PF4			75

#define IRQ_PF5			76

#define IRQ_PF6			77

#define IRQ_PF7			78

#define IRQ_PF8			79

#define IRQ_PF9			80

#define IRQ_PF10		81

#define IRQ_PF11		82

#define IRQ_PF12		83

#define IRQ_PF13		84

#define IRQ_PF14		85

#define IRQ_PF15		86


#define GPIO_IRQ_BASE		IRQ_PF0


#define NR_MACH_IRQS		(IRQ_PF15 + 1)

/* IAR0 BIT FIELDS */

#define IRQ_PLL_WAKEUP_POS	0

#define IRQ_DMA0_ERROR_POS	4

#define IRQ_PPI_ERROR_POS	8

#define IRQ_SPORT0_ERROR_POS	12

#define IRQ_SPORT1_ERROR_POS	16

#define IRQ_SPI0_ERROR_POS	20

#define IRQ_UART0_ERROR_POS	24

#define IRQ_RTC_POS		28

/* IAR1 BIT FIELDS */

#define IRQ_PPI_POS		0

#define IRQ_SPORT0_RX_POS	4

#define IRQ_SPORT0_TX_POS	8

#define IRQ_SPORT1_RX_POS	12

#define IRQ_SPORT1_TX_POS	16

#define IRQ_SPI0_POS		20

#define IRQ_UART0_RX_POS	24

#define IRQ_UART0_TX_POS	28

/* IAR2 BIT FIELDS */

#define IRQ_TIMER0_POS		0

#define IRQ_TIMER1_POS		4

#define IRQ_TIMER2_POS		8

#define IRQ_PORTF_INTA_POS	12

#define IRQ_PORTF_INTB_POS	16

#define IRQ_MEM0_DMA0_POS	20

#define IRQ_MEM0_DMA1_POS	24

#define IRQ_WATCH_POS		28

/* IAR3 BIT FIELDS */

#define IRQ_DMA1_ERROR_POS	0

#define IRQ_SPORT2_ERROR_POS	4

#define IRQ_SPORT3_ERROR_POS	8

#define IRQ_SPI1_ERROR_POS	16

#define IRQ_SPI2_ERROR_POS	20

#define IRQ_UART1_ERROR_POS	24

#define IRQ_UART2_ERROR_POS	28

/* IAR4 BIT FIELDS */

#define IRQ_CAN_ERROR_POS	0

#define IRQ_SPORT2_RX_POS	4

#define IRQ_SPORT2_TX_POS	8

#define IRQ_SPORT3_RX_POS	12

#define IRQ_SPORT3_TX_POS	16

#define IRQ_SPI1_POS		28

/* IAR5 BIT FIELDS */

#define IRQ_SPI2_POS		0

#define IRQ_UART1_RX_POS	4

#define IRQ_UART1_TX_POS	8

#define IRQ_UART2_RX_POS	12

#define IRQ_UART2_TX_POS	16

#define IRQ_TWI0_POS		20

#define IRQ_TWI1_POS		24

#define IRQ_CAN_RX_POS		28

/* IAR6 BIT FIELDS */

#define IRQ_CAN_TX_POS		0

#define IRQ_MEM1_DMA0_POS	4

#define IRQ_MEM1_DMA1_POS	8

#endif

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