summaryrefslogtreecommitdiffstats
path: root/include/asm-blackfin/arch-bf537/irq.h
blob: 4cb4c1502f90a9f11da37e5520eead4bca70ba50 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
/*
 * U-boot bf537_irq.h
 *
 * Copyright (c) 2005 blackfin.uclinux.org
 *
 * This file is based on
 * linux/arch/$(ARCH)/platform/$(PLATFORM)/irq.c
 * Changed by HuTao Apr18, 2003
 *
 * Copyright was missing when I got the code so took from MIPS arch ...MaTed---
 * Copyright (C) 1994 by Waldorf GMBH, written by Ralf Baechle
 * Copyright (C) 1995, 96, 97, 98, 99, 2000, 2001 by Ralf Baechle
 *
 * Adapted for BlackFin (ADI) by Ted Ma <mated@sympatico.ca>
 * Copyright (c) 2002 Arcturus Networks Inc. (www.arcturusnetworks.com)
 * Copyright (c) 2002 Lineo, Inc. <mattw@lineo.com>
 *
 * Adapted for BlackFin BF537 by Bas Vermeulen <bas@buyways.nl>
 * Copyright (c) 2003 BuyWays B.V. (www.buyways.nl)

 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef _BF537_IRQ_H_
#define _BF537_IRQ_H_

/*
 * Interrupt source definitions
 * Event Source			Core Event Name		Number
 * 				EMU			0
 * Reset			RST			1
 * NMI				NMI			2
 * Exception			EVX			3
 * Reserved			--			4
 * Hardware Error		IVHW			5
 * Core Timer			IVTMR			6
 * PLL Wakeup Interrupt		IVG7			7
 * DMA Error (generic)		IVG7			8
 * PPI Error Interrupt		IVG7			9
 * SPORT0 Error Interrupt	IVG7			10
 * SPORT1 Error Interrupt	IVG7			11
 * SPI Error Interrupt		IVG7			12
 * UART Error Interrupt		IVG7			13
 * RTC Interrupt		IVG8			14
 * DMA0 Interrupt (PPI)		IVG8			15
 * DMA1 (SPORT0 RX)		IVG9			16
 * DMA2 (SPORT0 TX)		IVG9			17
 * DMA3 (SPORT1 RX)		IVG9			18
 * DMA4 (SPORT1 TX)		IVG9			19
 * DMA5 (PPI)			IVG10			20
 * DMA6 (UART RX)		IVG10			21
 * DMA7 (UART TX)		IVG10			22
 * Timer0			IVG11			23
 * Timer1			IVG11			24
 * Timer2			IVG11			25
 * PF Interrupt A		IVG12			26
 * PF Interrupt B		IVG12			27
 * DMA8/9 Interrupt		IVG13			28
 * DMA10/11 Interrupt		IVG13			29
 * Watchdog Timer		IVG13			30
 * Software Interrupt 1		IVG14			31
 * Software Interrupt 2		--
 * (lowest priority)		IVG15			32
 */

#define IRQ_EMU			0	/* Emulation */
#define IRQ_RST			1	/* reset */
#define IRQ_NMI			2	/* Non Maskable */
#define IRQ_EVX			3	/* Exception */
#define IRQ_UNUSED		4	/*  - unused interrupt */
#define IRQ_HWERR		5	/* Hardware Error */
#define IRQ_CORETMR		6	/* Core timer */

#define IRQ_UART_RX_BIT		0x0800
#define IRQ_UART_TX_BIT		0x1000
#define IRQ_UART_ERROR_BIT	0x40

#endif
OpenPOWER on IntegriCloud