1  /* SPDX-License-Identifier: GPL-2.0 */
2  /*
3   * arch/arm/mach-sa1100/include/mach/irqs.h
4   *
5   * Copyright (C) 1996 Russell King
6   * Copyright (C) 1998 Deborah Wallach (updates for SA1100/Brutus).
7   * Copyright (C) 1999 Nicolas Pitre (full GPIO irq isolation)
8   *
9   * 2001/11/14	RMK	Cleaned up and standardised a lot of the IRQs.
10   */
11  
12  #define	IRQ_GPIO0_SC		1
13  #define	IRQ_GPIO1_SC		2
14  #define	IRQ_GPIO2_SC		3
15  #define	IRQ_GPIO3_SC		4
16  #define	IRQ_GPIO4_SC		5
17  #define	IRQ_GPIO5_SC		6
18  #define	IRQ_GPIO6_SC		7
19  #define	IRQ_GPIO7_SC		8
20  #define	IRQ_GPIO8_SC		9
21  #define	IRQ_GPIO9_SC		10
22  #define	IRQ_GPIO10_SC		11
23  #define	IRQ_GPIO11_27		12
24  #define	IRQ_LCD			13	/* LCD controller           */
25  #define	IRQ_Ser0UDC		14	/* Ser. port 0 UDC          */
26  #define	IRQ_Ser1SDLC		15	/* Ser. port 1 SDLC         */
27  #define	IRQ_Ser1UART		16	/* Ser. port 1 UART         */
28  #define	IRQ_Ser2ICP		17	/* Ser. port 2 ICP          */
29  #define	IRQ_Ser3UART		18	/* Ser. port 3 UART         */
30  #define	IRQ_Ser4MCP		19	/* Ser. port 4 MCP          */
31  #define	IRQ_Ser4SSP		20	/* Ser. port 4 SSP          */
32  #define	IRQ_DMA0		21	/* DMA controller channel 0 */
33  #define	IRQ_DMA1		22	/* DMA controller channel 1 */
34  #define	IRQ_DMA2		23	/* DMA controller channel 2 */
35  #define	IRQ_DMA3		24	/* DMA controller channel 3 */
36  #define	IRQ_DMA4		25	/* DMA controller channel 4 */
37  #define	IRQ_DMA5		26	/* DMA controller channel 5 */
38  #define	IRQ_OST0		27	/* OS Timer match 0         */
39  #define	IRQ_OST1		28	/* OS Timer match 1         */
40  #define	IRQ_OST2		29	/* OS Timer match 2         */
41  #define	IRQ_OST3		30	/* OS Timer match 3         */
42  #define	IRQ_RTC1Hz		31	/* RTC 1 Hz clock           */
43  #define	IRQ_RTCAlrm		32	/* RTC Alarm                */
44  
45  #define	IRQ_GPIO0		33
46  #define	IRQ_GPIO1		34
47  #define	IRQ_GPIO2		35
48  #define	IRQ_GPIO3		36
49  #define	IRQ_GPIO4		37
50  #define	IRQ_GPIO5		38
51  #define	IRQ_GPIO6		39
52  #define	IRQ_GPIO7		40
53  #define	IRQ_GPIO8		41
54  #define	IRQ_GPIO9		42
55  #define	IRQ_GPIO10		43
56  #define	IRQ_GPIO11		44
57  #define	IRQ_GPIO12		45
58  #define	IRQ_GPIO13		46
59  #define	IRQ_GPIO14		47
60  #define	IRQ_GPIO15		48
61  #define	IRQ_GPIO16		49
62  #define	IRQ_GPIO17		50
63  #define	IRQ_GPIO18		51
64  #define	IRQ_GPIO19		52
65  #define	IRQ_GPIO20		53
66  #define	IRQ_GPIO21		54
67  #define	IRQ_GPIO22		55
68  #define	IRQ_GPIO23		56
69  #define	IRQ_GPIO24		57
70  #define	IRQ_GPIO25		58
71  #define	IRQ_GPIO26		59
72  #define	IRQ_GPIO27		60
73  
74  /*
75   * The next 16 interrupts are for board specific purposes.  Since
76   * the kernel can only run on one machine at a time, we can re-use
77   * these.  If you need more, increase IRQ_BOARD_END, but keep it
78   * within sensible limits.  IRQs 61 to 76 are available.
79   */
80  #define IRQ_BOARD_START		61
81  #define IRQ_BOARD_END		77
82  
83  /*
84   * Figure out the MAX IRQ number.
85   *
86   * Neponset, SA1111 and UCB1x00 are sparse IRQ aware, so can dynamically
87   * allocate their IRQs above NR_IRQS.
88   *
89   * LoCoMo has 4 additional IRQs, but is not sparse IRQ aware, and so has
90   * to be included in the NR_IRQS calculation.
91   */
92  #ifdef CONFIG_SHARP_LOCOMO
93  #define NR_IRQS_LOCOMO		4
94  #else
95  #define NR_IRQS_LOCOMO		0
96  #endif
97  
98  #ifndef NR_IRQS
99  #define NR_IRQS (IRQ_BOARD_START + NR_IRQS_LOCOMO)
100  #endif
101  #define SA1100_NR_IRQS (IRQ_BOARD_START + NR_IRQS_LOCOMO)
102