tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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}