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/*
* Root interrupt controller for the BCM2836 (Raspberry Pi 2).
*
* Copyright 2015 Broadcom
*
* 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.
*/
#define LOCAL_CONTROL 0x000
#define LOCAL_PRESCALER 0x008
/*
* The low 2 bits identify the CPU that the GPU IRQ goes to, and the
* next 2 bits identify the CPU that the GPU FIQ goes to.
*/
#define LOCAL_GPU_ROUTING 0x00c
/* When setting bits 0-3, enables PMU interrupts on that CPU. */
#define LOCAL_PM_ROUTING_SET 0x010
/* When setting bits 0-3, disables PMU interrupts on that CPU. */
#define LOCAL_PM_ROUTING_CLR 0x014
/*
* The low 4 bits of this are the CPU's timer IRQ enables, and the
* next 4 bits are the CPU's timer FIQ enables (which override the IRQ
* bits).
*/
#define LOCAL_TIMER_INT_CONTROL0 0x040
/*
* The low 4 bits of this are the CPU's per-mailbox IRQ enables, and
* the next 4 bits are the CPU's per-mailbox FIQ enables (which
* override the IRQ bits).
*/
#define LOCAL_MAILBOX_INT_CONTROL0 0x050
/*
* The CPU's interrupt status register. Bits are defined by the the
* LOCAL_IRQ_* bits below.
*/
#define LOCAL_IRQ_PENDING0 0x060
/* Same status bits as above, but for FIQ. */
#define LOCAL_FIQ_PENDING0 0x070
/*
* Mailbox write-to-set bits. There are 16 mailboxes, 4 per CPU, and
* these bits are organized by mailbox number and then CPU number. We
* use mailbox 0 for IPIs. The mailbox's interrupt is raised while
* any bit is set.
*/
#define LOCAL_MAILBOX0_SET0 0x080
#define LOCAL_MAILBOX3_SET0 0x08c
/* Mailbox write-to-clear bits. */
#define LOCAL_MAILBOX0_CLR0 0x0c0
#define LOCAL_MAILBOX3_CLR0 0x0cc
#define LOCAL_IRQ_CNTPSIRQ 0
#define LOCAL_IRQ_CNTPNSIRQ 1
#define LOCAL_IRQ_CNTHPIRQ 2
#define LOCAL_IRQ_CNTVIRQ 3
#define LOCAL_IRQ_MAILBOX0 4
#define LOCAL_IRQ_MAILBOX1 5
#define LOCAL_IRQ_MAILBOX2 6
#define LOCAL_IRQ_MAILBOX3 7
#define LOCAL_IRQ_GPU_FAST 8
#define LOCAL_IRQ_PMU_FAST 9
#define LAST_IRQ LOCAL_IRQ_PMU_FAST
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