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