xref: /kernel/linux/linux-6.6/arch/arm/mach-sa1100/include/mach/irqs.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * arch/arm/mach-sa1100/include/mach/irqs.h
 *
 * Copyright (C) 1996 Russell King
 * Copyright (C) 1998 Deborah Wallach (updates for SA1100/Brutus).
 * Copyright (C) 1999 Nicolas Pitre (full GPIO irq isolation)
 *
 * 2001/11/14	RMK	Cleaned up and standardised a lot of the IRQs.
 */

#define	IRQ_GPIO0_SC		1
#define	IRQ_GPIO1_SC		2
#define	IRQ_GPIO2_SC		3
#define	IRQ_GPIO3_SC		4
#define	IRQ_GPIO4_SC		5
#define	IRQ_GPIO5_SC		6
#define	IRQ_GPIO6_SC		7
#define	IRQ_GPIO7_SC		8
#define	IRQ_GPIO8_SC		9
#define	IRQ_GPIO9_SC		10
#define	IRQ_GPIO10_SC		11
#define	IRQ_GPIO11_27		12
#define	IRQ_LCD			13	/* LCD controller           */
#define	IRQ_Ser0UDC		14	/* Ser. port 0 UDC          */
#define	IRQ_Ser1SDLC		15	/* Ser. port 1 SDLC         */
#define	IRQ_Ser1UART		16	/* Ser. port 1 UART         */
#define	IRQ_Ser2ICP		17	/* Ser. port 2 ICP          */
#define	IRQ_Ser3UART		18	/* Ser. port 3 UART         */
#define	IRQ_Ser4MCP		19	/* Ser. port 4 MCP          */
#define	IRQ_Ser4SSP		20	/* Ser. port 4 SSP          */
#define	IRQ_DMA0		21	/* DMA controller channel 0 */
#define	IRQ_DMA1		22	/* DMA controller channel 1 */
#define	IRQ_DMA2		23	/* DMA controller channel 2 */
#define	IRQ_DMA3		24	/* DMA controller channel 3 */
#define	IRQ_DMA4		25	/* DMA controller channel 4 */
#define	IRQ_DMA5		26	/* DMA controller channel 5 */
#define	IRQ_OST0		27	/* OS Timer match 0         */
#define	IRQ_OST1		28	/* OS Timer match 1         */
#define	IRQ_OST2		29	/* OS Timer match 2         */
#define	IRQ_OST3		30	/* OS Timer match 3         */
#define	IRQ_RTC1Hz		31	/* RTC 1 Hz clock           */
#define	IRQ_RTCAlrm		32	/* RTC Alarm                */

#define	IRQ_GPIO0		33
#define	IRQ_GPIO1		34
#define	IRQ_GPIO2		35
#define	IRQ_GPIO3		36
#define	IRQ_GPIO4		37
#define	IRQ_GPIO5		38
#define	IRQ_GPIO6		39
#define	IRQ_GPIO7		40
#define	IRQ_GPIO8		41
#define	IRQ_GPIO9		42
#define	IRQ_GPIO10		43
#define	IRQ_GPIO11		44
#define	IRQ_GPIO12		45
#define	IRQ_GPIO13		46
#define	IRQ_GPIO14		47
#define	IRQ_GPIO15		48
#define	IRQ_GPIO16		49
#define	IRQ_GPIO17		50
#define	IRQ_GPIO18		51
#define	IRQ_GPIO19		52
#define	IRQ_GPIO20		53
#define	IRQ_GPIO21		54
#define	IRQ_GPIO22		55
#define	IRQ_GPIO23		56
#define	IRQ_GPIO24		57
#define	IRQ_GPIO25		58
#define	IRQ_GPIO26		59
#define	IRQ_GPIO27		60

/*
 * The next 16 interrupts are for board specific purposes.  Since
 * the kernel can only run on one machine at a time, we can re-use
 * these.  If you need more, increase IRQ_BOARD_END, but keep it
 * within sensible limits.  IRQs 61 to 76 are available.
 */
#define IRQ_BOARD_START		61
#define IRQ_BOARD_END		77

/*
 * Figure out the MAX IRQ number.
 *
 * Neponset, SA1111 and UCB1x00 are sparse IRQ aware, so can dynamically
 * allocate their IRQs above NR_IRQS.
 *
 * LoCoMo has 4 additional IRQs, but is not sparse IRQ aware, and so has
 * to be included in the NR_IRQS calculation.
 */
#ifdef CONFIG_SHARP_LOCOMO
#define NR_IRQS_LOCOMO		4
#else
#define NR_IRQS_LOCOMO		0
#endif

#ifndef NR_IRQS
#define NR_IRQS (IRQ_BOARD_START + NR_IRQS_LOCOMO)
#endif
#define SA1100_NR_IRQS (IRQ_BOARD_START + NR_IRQS_LOCOMO)