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 
get_c0_fdc_int(void)17 int 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 
get_c0_perfcount_int(void)33 int 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 
get_c0_compare_int(void)49 unsigned 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 }
62