mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.0 KiB
44 lines
1.0 KiB
3 years ago
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
/*
|
||
|
* Copyright (C) 2011-12 Synopsys, Inc. (www.synopsys.com)
|
||
|
*/
|
||
|
|
||
|
#include <linux/interrupt.h>
|
||
|
#include <linux/irqchip.h>
|
||
|
#include <asm/mach_desc.h>
|
||
|
#include <asm/smp.h>
|
||
|
|
||
|
/*
|
||
|
* Late Interrupt system init called from start_kernel for Boot CPU only
|
||
|
*
|
||
|
* Since slab must already be initialized, platforms can start doing any
|
||
|
* needed request_irq( )s
|
||
|
*/
|
||
|
void __init init_IRQ(void)
|
||
|
{
|
||
|
/*
|
||
|
* process the entire interrupt tree in one go
|
||
|
* Any external intc will be setup provided DT chains them
|
||
|
* properly
|
||
|
*/
|
||
|
irqchip_init();
|
||
|
|
||
|
#ifdef CONFIG_SMP
|
||
|
/* a SMP H/w block could do IPI IRQ request here */
|
||
|
if (plat_smp_ops.init_per_cpu)
|
||
|
plat_smp_ops.init_per_cpu(smp_processor_id());
|
||
|
#endif
|
||
|
|
||
|
if (machine_desc->init_per_cpu)
|
||
|
machine_desc->init_per_cpu(smp_processor_id());
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* "C" Entry point for any ARC ISR, called from low level vector handler
|
||
|
* @irq is the vector number read from ICAUSE reg of on-chip intc
|
||
|
*/
|
||
|
void arch_do_IRQ(unsigned int hwirq, struct pt_regs *regs)
|
||
|
{
|
||
|
handle_domain_irq(NULL, hwirq, regs);
|
||
|
}
|