irq-bcm2836.h (1935B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Root interrupt controller for the BCM2836 (Raspberry Pi 2). 4 * 5 * Copyright 2015 Broadcom 6 */ 7 8#define LOCAL_CONTROL 0x000 9#define LOCAL_PRESCALER 0x008 10 11/* 12 * The low 2 bits identify the CPU that the GPU IRQ goes to, and the 13 * next 2 bits identify the CPU that the GPU FIQ goes to. 14 */ 15#define LOCAL_GPU_ROUTING 0x00c 16/* When setting bits 0-3, enables PMU interrupts on that CPU. */ 17#define LOCAL_PM_ROUTING_SET 0x010 18/* When setting bits 0-3, disables PMU interrupts on that CPU. */ 19#define LOCAL_PM_ROUTING_CLR 0x014 20/* 21 * The low 4 bits of this are the CPU's timer IRQ enables, and the 22 * next 4 bits are the CPU's timer FIQ enables (which override the IRQ 23 * bits). 24 */ 25#define LOCAL_TIMER_INT_CONTROL0 0x040 26/* 27 * The low 4 bits of this are the CPU's per-mailbox IRQ enables, and 28 * the next 4 bits are the CPU's per-mailbox FIQ enables (which 29 * override the IRQ bits). 30 */ 31#define LOCAL_MAILBOX_INT_CONTROL0 0x050 32/* 33 * The CPU's interrupt status register. Bits are defined by the 34 * LOCAL_IRQ_* bits below. 35 */ 36#define LOCAL_IRQ_PENDING0 0x060 37/* Same status bits as above, but for FIQ. */ 38#define LOCAL_FIQ_PENDING0 0x070 39/* 40 * Mailbox write-to-set bits. There are 16 mailboxes, 4 per CPU, and 41 * these bits are organized by mailbox number and then CPU number. We 42 * use mailbox 0 for IPIs. The mailbox's interrupt is raised while 43 * any bit is set. 44 */ 45#define LOCAL_MAILBOX0_SET0 0x080 46#define LOCAL_MAILBOX3_SET0 0x08c 47/* Mailbox write-to-clear bits. */ 48#define LOCAL_MAILBOX0_CLR0 0x0c0 49#define LOCAL_MAILBOX3_CLR0 0x0cc 50 51#define LOCAL_IRQ_CNTPSIRQ 0 52#define LOCAL_IRQ_CNTPNSIRQ 1 53#define LOCAL_IRQ_CNTHPIRQ 2 54#define LOCAL_IRQ_CNTVIRQ 3 55#define LOCAL_IRQ_MAILBOX0 4 56#define LOCAL_IRQ_MAILBOX1 5 57#define LOCAL_IRQ_MAILBOX2 6 58#define LOCAL_IRQ_MAILBOX3 7 59#define LOCAL_IRQ_GPU_FAST 8 60#define LOCAL_IRQ_PMU_FAST 9 61#define LAST_IRQ LOCAL_IRQ_PMU_FAST