1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2016 Imagination Technologies 4*4882a593Smuzhiyun * Author: Paul Burton <paul.burton@mips.com> 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #include <linux/clk.h> 8*4882a593Smuzhiyun #include <linux/clk-provider.h> 9*4882a593Smuzhiyun #include <linux/clocksource.h> 10*4882a593Smuzhiyun #include <linux/init.h> 11*4882a593Smuzhiyun #include <linux/types.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <asm/irq.h> 14*4882a593Smuzhiyun #include <asm/mips-cps.h> 15*4882a593Smuzhiyun #include <asm/time.h> 16*4882a593Smuzhiyun get_c0_fdc_int(void)17*4882a593Smuzhiyunint get_c0_fdc_int(void) 18*4882a593Smuzhiyun { 19*4882a593Smuzhiyun int mips_cpu_fdc_irq; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun if (mips_gic_present()) 22*4882a593Smuzhiyun mips_cpu_fdc_irq = gic_get_c0_fdc_int(); 23*4882a593Smuzhiyun else if (cpu_has_veic) 24*4882a593Smuzhiyun panic("Unimplemented!"); 25*4882a593Smuzhiyun else if (cp0_fdc_irq >= 0) 26*4882a593Smuzhiyun mips_cpu_fdc_irq = MIPS_CPU_IRQ_BASE + cp0_fdc_irq; 27*4882a593Smuzhiyun else 28*4882a593Smuzhiyun mips_cpu_fdc_irq = -1; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun return mips_cpu_fdc_irq; 31*4882a593Smuzhiyun } 32*4882a593Smuzhiyun get_c0_perfcount_int(void)33*4882a593Smuzhiyunint get_c0_perfcount_int(void) 34*4882a593Smuzhiyun { 35*4882a593Smuzhiyun int mips_cpu_perf_irq; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun if (mips_gic_present()) 38*4882a593Smuzhiyun mips_cpu_perf_irq = gic_get_c0_perfcount_int(); 39*4882a593Smuzhiyun else if (cpu_has_veic) 40*4882a593Smuzhiyun panic("Unimplemented!"); 41*4882a593Smuzhiyun else if (cp0_perfcount_irq >= 0) 42*4882a593Smuzhiyun mips_cpu_perf_irq = MIPS_CPU_IRQ_BASE + cp0_perfcount_irq; 43*4882a593Smuzhiyun else 44*4882a593Smuzhiyun mips_cpu_perf_irq = -1; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun return mips_cpu_perf_irq; 47*4882a593Smuzhiyun } 48*4882a593Smuzhiyun get_c0_compare_int(void)49*4882a593Smuzhiyununsigned int get_c0_compare_int(void) 50*4882a593Smuzhiyun { 51*4882a593Smuzhiyun int mips_cpu_timer_irq; 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun if (mips_gic_present()) 54*4882a593Smuzhiyun mips_cpu_timer_irq = gic_get_c0_compare_int(); 55*4882a593Smuzhiyun else if (cpu_has_veic) 56*4882a593Smuzhiyun panic("Unimplemented!"); 57*4882a593Smuzhiyun else 58*4882a593Smuzhiyun mips_cpu_timer_irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq; 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun return mips_cpu_timer_irq; 61*4882a593Smuzhiyun } 62