[U-Boot] [PATCH 04/26] x86: irq: Reserve IRQ9 for ACPI in PIC mode

Reserve IRQ9 which is to be used as SCI interrupt number for ACPI in PIC mode.

Signed-off-by: Bin Meng bmeng.cn@gmail.com ---

arch/x86/cpu/irq.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c index 2950783..ae90b0c 100644 --- a/arch/x86/cpu/irq.c +++ b/arch/x86/cpu/irq.c @@ -120,6 +120,10 @@ static int create_pirq_routing_table(struct udevice *dev)

priv->irq_mask = fdtdec_get_int(blob, node, "intel,pirq-mask", PIRQ_BITMAP); +#ifdef CONFIG_GENERATE_ACPI_TABLE + /* Reserve IRQ9 for SCI */ + priv->irq_mask &= ~(1 << 9); +#endif

if (priv->config == PIRQ_VIA_IBASE) { int ibase_off;