65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2016 Imagination Technologies
|
||
|
|
* Author: Paul Burton <paul.burton@imgtec.com>
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/clk.h>
|
||
|
|
#include <linux/clk-provider.h>
|
||
|
|
#include <linux/clocksource.h>
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/irqchip/mips-gic.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
#include <asm/irq.h>
|
||
|
|
|
||
|
|
int get_c0_fdc_int(void)
|
||
|
|
{
|
||
|
|
int mips_cpu_fdc_irq;
|
||
|
|
|
||
|
|
if (cpu_has_veic)
|
||
|
|
panic("Unimplemented!");
|
||
|
|
else if (gic_present)
|
||
|
|
mips_cpu_fdc_irq = gic_get_c0_fdc_int();
|
||
|
|
else if (cp0_fdc_irq >= 0)
|
||
|
|
mips_cpu_fdc_irq = MIPS_CPU_IRQ_BASE + cp0_fdc_irq;
|
||
|
|
else
|
||
|
|
mips_cpu_fdc_irq = -1;
|
||
|
|
|
||
|
|
return mips_cpu_fdc_irq;
|
||
|
|
}
|
||
|
|
|
||
|
|
int get_c0_perfcount_int(void)
|
||
|
|
{
|
||
|
|
int mips_cpu_perf_irq;
|
||
|
|
|
||
|
|
if (cpu_has_veic)
|
||
|
|
panic("Unimplemented!");
|
||
|
|
else if (gic_present)
|
||
|
|
mips_cpu_perf_irq = gic_get_c0_perfcount_int();
|
||
|
|
else if (cp0_perfcount_irq >= 0)
|
||
|
|
mips_cpu_perf_irq = MIPS_CPU_IRQ_BASE + cp0_perfcount_irq;
|
||
|
|
else
|
||
|
|
mips_cpu_perf_irq = -1;
|
||
|
|
|
||
|
|
return mips_cpu_perf_irq;
|
||
|
|
}
|
||
|
|
|
||
|
|
unsigned int get_c0_compare_int(void)
|
||
|
|
{
|
||
|
|
int mips_cpu_timer_irq;
|
||
|
|
|
||
|
|
if (cpu_has_veic)
|
||
|
|
panic("Unimplemented!");
|
||
|
|
else if (gic_present)
|
||
|
|
mips_cpu_timer_irq = gic_get_c0_compare_int();
|
||
|
|
else
|
||
|
|
mips_cpu_timer_irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq;
|
||
|
|
|
||
|
|
return mips_cpu_timer_irq;
|
||
|
|
}
|