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torvalds
GitHub Repository: torvalds/linux
Path: blob/master/arch/mips/generic/irq.c
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2016 Imagination Technologies
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* Author: Paul Burton <[email protected]>
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*/
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#include <linux/clk.h>
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#include <linux/clk-provider.h>
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#include <linux/clocksource.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <asm/irq.h>
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#include <asm/mips-cps.h>
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#include <asm/time.h>
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int get_c0_fdc_int(void)
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{
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int mips_cpu_fdc_irq;
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if (mips_gic_present())
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mips_cpu_fdc_irq = gic_get_c0_fdc_int();
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else if (cpu_has_veic)
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panic("Unimplemented!");
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else if (cp0_fdc_irq >= 0)
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mips_cpu_fdc_irq = MIPS_CPU_IRQ_BASE + cp0_fdc_irq;
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else
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mips_cpu_fdc_irq = -1;
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return mips_cpu_fdc_irq;
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}
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int get_c0_perfcount_int(void)
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{
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int mips_cpu_perf_irq;
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if (mips_gic_present())
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mips_cpu_perf_irq = gic_get_c0_perfcount_int();
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else if (cpu_has_veic)
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panic("Unimplemented!");
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else if (cp0_perfcount_irq >= 0)
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mips_cpu_perf_irq = MIPS_CPU_IRQ_BASE + cp0_perfcount_irq;
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else
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mips_cpu_perf_irq = -1;
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return mips_cpu_perf_irq;
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}
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unsigned int get_c0_compare_int(void)
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{
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int mips_cpu_timer_irq;
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if (mips_gic_present())
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mips_cpu_timer_irq = gic_get_c0_compare_int();
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else if (cpu_has_veic)
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panic("Unimplemented!");
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else
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mips_cpu_timer_irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq;
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return mips_cpu_timer_irq;
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}
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