diff options
Diffstat (limited to 'arch/mips/generic/irq.c')
-rw-r--r-- | arch/mips/generic/irq.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/mips/generic/irq.c b/arch/mips/generic/irq.c new file mode 100644 index 000000000..cb7fdaeef --- /dev/null +++ b/arch/mips/generic/irq.c @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2016 Imagination Technologies + * Author: Paul Burton <paul.burton@mips.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/clocksource.h> +#include <linux/init.h> +#include <linux/types.h> + +#include <asm/irq.h> +#include <asm/mips-cps.h> +#include <asm/time.h> + +int get_c0_fdc_int(void) +{ + int mips_cpu_fdc_irq; + + if (mips_gic_present()) + mips_cpu_fdc_irq = gic_get_c0_fdc_int(); + else if (cpu_has_veic) + panic("Unimplemented!"); + else if (cp0_fdc_irq >= 0) + mips_cpu_fdc_irq = MIPS_CPU_IRQ_BASE + cp0_fdc_irq; + else + mips_cpu_fdc_irq = -1; + + return mips_cpu_fdc_irq; +} + +int get_c0_perfcount_int(void) +{ + int mips_cpu_perf_irq; + + if (mips_gic_present()) + mips_cpu_perf_irq = gic_get_c0_perfcount_int(); + else if (cpu_has_veic) + panic("Unimplemented!"); + else if (cp0_perfcount_irq >= 0) + mips_cpu_perf_irq = MIPS_CPU_IRQ_BASE + cp0_perfcount_irq; + else + mips_cpu_perf_irq = -1; + + return mips_cpu_perf_irq; +} + +unsigned int get_c0_compare_int(void) +{ + int mips_cpu_timer_irq; + + if (mips_gic_present()) + mips_cpu_timer_irq = gic_get_c0_compare_int(); + else if (cpu_has_veic) + panic("Unimplemented!"); + else + mips_cpu_timer_irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq; + + return mips_cpu_timer_irq; +} |