1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * Copyright (C) 2016 Imagination Technologies
 4 * Author: Paul Burton <paul.burton@mips.com>
 
 
 
 
 
 5 */
 6
 7#include <linux/clk.h>
 8#include <linux/clk-provider.h>
 9#include <linux/clocksource.h>
10#include <linux/init.h>
 
11#include <linux/types.h>
12
13#include <asm/irq.h>
14#include <asm/mips-cps.h>
15#include <asm/time.h>
16
17int get_c0_fdc_int(void)
18{
19	int mips_cpu_fdc_irq;
20
21	if (mips_gic_present())
22		mips_cpu_fdc_irq = gic_get_c0_fdc_int();
23	else if (cpu_has_veic)
24		panic("Unimplemented!");
 
 
25	else if (cp0_fdc_irq >= 0)
26		mips_cpu_fdc_irq = MIPS_CPU_IRQ_BASE + cp0_fdc_irq;
27	else
28		mips_cpu_fdc_irq = -1;
29
30	return mips_cpu_fdc_irq;
31}
32
33int get_c0_perfcount_int(void)
34{
35	int mips_cpu_perf_irq;
36
37	if (mips_gic_present())
38		mips_cpu_perf_irq = gic_get_c0_perfcount_int();
39	else if (cpu_has_veic)
40		panic("Unimplemented!");
 
 
41	else if (cp0_perfcount_irq >= 0)
42		mips_cpu_perf_irq = MIPS_CPU_IRQ_BASE + cp0_perfcount_irq;
43	else
44		mips_cpu_perf_irq = -1;
45
46	return mips_cpu_perf_irq;
47}
48
49unsigned int get_c0_compare_int(void)
50{
51	int mips_cpu_timer_irq;
52
53	if (mips_gic_present())
54		mips_cpu_timer_irq = gic_get_c0_compare_int();
55	else if (cpu_has_veic)
56		panic("Unimplemented!");
 
 
57	else
58		mips_cpu_timer_irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq;
59
60	return mips_cpu_timer_irq;
61}

 
 1/*
 2 * Copyright (C) 2016 Imagination Technologies
 3 * Author: Paul Burton <paul.burton@imgtec.com>
 4 *
 5 * This program is free software; you can redistribute it and/or modify it
 6 * under the terms of the GNU General Public License as published by the
 7 * Free Software Foundation; either version 2 of the License, or (at your
 8 * option) any later version.
 9 */
10
11#include <linux/clk.h>
12#include <linux/clk-provider.h>
13#include <linux/clocksource.h>
14#include <linux/init.h>
15#include <linux/irqchip/mips-gic.h>
16#include <linux/types.h>
17
18#include <asm/irq.h>
 
 
19
20int get_c0_fdc_int(void)
21{
22	int mips_cpu_fdc_irq;
23
24	if (cpu_has_veic)
 
 
25		panic("Unimplemented!");
26	else if (gic_present)
27		mips_cpu_fdc_irq = gic_get_c0_fdc_int();
28	else if (cp0_fdc_irq >= 0)
29		mips_cpu_fdc_irq = MIPS_CPU_IRQ_BASE + cp0_fdc_irq;
30	else
31		mips_cpu_fdc_irq = -1;
32
33	return mips_cpu_fdc_irq;
34}
35
36int get_c0_perfcount_int(void)
37{
38	int mips_cpu_perf_irq;
39
40	if (cpu_has_veic)
 
 
41		panic("Unimplemented!");
42	else if (gic_present)
43		mips_cpu_perf_irq = gic_get_c0_perfcount_int();
44	else if (cp0_perfcount_irq >= 0)
45		mips_cpu_perf_irq = MIPS_CPU_IRQ_BASE + cp0_perfcount_irq;
46	else
47		mips_cpu_perf_irq = -1;
48
49	return mips_cpu_perf_irq;
50}
51
52unsigned int get_c0_compare_int(void)
53{
54	int mips_cpu_timer_irq;
55
56	if (cpu_has_veic)
 
 
57		panic("Unimplemented!");
58	else if (gic_present)
59		mips_cpu_timer_irq = gic_get_c0_compare_int();
60	else
61		mips_cpu_timer_irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq;
62
63	return mips_cpu_timer_irq;
64}