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
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
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
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
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