Initial commit: OpenHarmony-v4.0-ReleaseOpenHarmony-v4.0-Release

1 files changed, 61 insertions, 0 deletions

diff --git a/arch/mips/generic/irq.c b/arch/mips/generic/irq.c
new file mode 100644
index 000000000..933119262
--- /dev/null
+++ b/arch/mips/generic/irq.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ * Author: Paul Burton <paul.burton@mips.com>
+ */
+
+#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;
+}