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MIPS: Malta: Implement get_c0_fdc_int()

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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>
This commit is contained in:
James Hogan 2015-01-29 11:14:10 +00:00 committed by Ralf Baechle
parent 6429e2b6fc
commit 602e8a345a
1 changed files with 16 additions and 0 deletions
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16
arch/mips/mti-malta/malta-time.c
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@ -115,6 +115,22 @@ void read_persistent_clock(struct timespec *ts)
ts->tv_nsec = 0;
}
int get_c0_fdc_int(void)
{
int mips_cpu_fdc_irq;
if (cpu_has_veic)
mips_cpu_fdc_irq = -1;
else if (gic_present)
mips_cpu_fdc_irq = gic_get_c0_fdc_int();
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)
{
if (cpu_has_veic) {