MIPS: Malta: Implement get_c0_fdc_int()
Implement the weak get_c0_fdc_int() function for Malta. The Fast Debug Channel (FDC) interrupt is obtained mainly depending on whether a GIC is present. Vectored external interrupt mode isn't yet supported. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/9143/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -115,6 +115,22 @@ void read_persistent_clock(struct timespec *ts)
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ts->tv_nsec = 0;
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}
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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 (cpu_has_veic)
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mips_cpu_fdc_irq = -1;
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else if (gic_present)
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mips_cpu_fdc_irq = gic_get_c0_fdc_int();
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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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if (cpu_has_veic) {
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