Reserve IRQ9 which is to be used as SCI interrupt number for ACPI in PIC mode.
Signed-off-by: Bin Meng <bmeng...@gmail.com> Reviewed-by: Stefan Roese <s...@denx.de> Tested-by: Stefan Roese <s...@denx.de> --- Changes in v2: - Change to use IS_ENABLED() arch/x86/cpu/irq.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c index 2950783..7586fc2 100644 --- a/arch/x86/cpu/irq.c +++ b/arch/x86/cpu/irq.c @@ -121,6 +121,11 @@ static int create_pirq_routing_table(struct udevice *dev) priv->irq_mask = fdtdec_get_int(blob, node, "intel,pirq-mask", PIRQ_BITMAP); + if (IS_ENABLED(CONFIG_GENERATE_ACPI_TABLE)) { + /* Reserve IRQ9 for SCI */ + priv->irq_mask &= ~(1 << 9); + } + if (priv->config == PIRQ_VIA_IBASE) { int ibase_off; -- 1.8.2.1 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot