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| author | Bin Meng <bmeng.cn@gmail.com> | 2016-05-07 07:46:13 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-05-23 15:18:00 +0800 |
| commit | 07ac84eaaa5daeae4a56ff70649a3e50fc470db5 (patch) | |
| tree | 80bfff03301e452966c2c45d5b647efb77c4ea6e | |
| parent | dca4d1a2ce920544b8158d7a5d359d41a6d35330 (diff) | |
| download | u-boot-imx-07ac84eaaa5daeae4a56ff70649a3e50fc470db5.zip u-boot-imx-07ac84eaaa5daeae4a56ff70649a3e50fc470db5.tar.gz u-boot-imx-07ac84eaaa5daeae4a56ff70649a3e50fc470db5.tar.bz2 | |
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>
Reviewed-by: Stefan Roese <sr@denx.de>
Tested-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | arch/x86/cpu/irq.c | 5 |
1 files changed, 5 insertions, 0 deletions
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; |