@@ -5,9 +5,12 @@
*/
#include <common.h>
+#include <acpi_device.h>
#include <dm.h>
#include <irq.h>
#include <asm/io.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/x86-irq.h>
struct acpi_gpe_priv {
ulong acpi_base;
@@ -56,6 +59,24 @@ static int acpi_gpe_ofdata_to_platdata(struct udevice *dev)
static int acpi_gpe_of_xlate(struct irq *irq, struct ofnode_phandle_args *args)
{
irq->id = args->args[0];
+ irq->flags = args->args[1];
+
+ return 0;
+}
+
+static int acpi_gpe_get_acpi(const struct irq *irq, struct acpi_irq *acpi_irq)
+{
+ memset(acpi_irq, '\0', sizeof(*acpi_irq));
+ acpi_irq->pin = irq->id;
+ acpi_irq->mode = irq->flags & IRQ_TYPE_EDGE_BOTH ?
+ ACPI_IRQ_EDGE_TRIGGERED : ACPI_IRQ_LEVEL_TRIGGERED;
+ acpi_irq->polarity = irq->flags &
+ (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_LEVEL_LOW) ?
+ ACPI_IRQ_ACTIVE_LOW : ACPI_IRQ_ACTIVE_HIGH;
+ acpi_irq->shared = irq->flags & X86_IRQ_TYPE_SHARED ?
+ ACPI_IRQ_SHARED : ACPI_IRQ_EXCLUSIVE;
+ acpi_irq->wake = irq->flags & X86_IRQ_TYPE_WAKE ? ACPI_IRQ_WAKE :
+ ACPI_IRQ_NO_WAKE;
return 0;
}
@@ -63,6 +84,7 @@ static int acpi_gpe_of_xlate(struct irq *irq, struct ofnode_phandle_args *args)
static const struct irq_ops acpi_gpe_ops = {
.read_and_clear = acpi_gpe_read_and_clear,
.of_xlate = acpi_gpe_of_xlate,
+ .get_acpi = acpi_gpe_get_acpi,
};
static const struct udevice_id acpi_gpe_ids[] = {
new file mode 100644
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ *
+ * This provides additional flags used by x86.
+ */
+
+#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_X86_IRQ_H
+#define _DT_BINDINGS_INTERRUPT_CONTROLLER_X86_IRQ_H
+
+#define X86_IRQ_TYPE_SHARED (1 << 4)
+#define X86_IRQ_TYPE_WAKE (1 << 5)
+
+#endif
This binding currently has a flags cell but it is not used. Make use of it to create ACPI tables for interrupts. Signed-off-by: Simon Glass <sjg at chromium.org> --- arch/x86/cpu/acpi_gpe.c | 22 +++++++++++++++++++ .../interrupt-controller/x86-irq.h | 14 ++++++++++++ 2 files changed, 36 insertions(+) create mode 100644 include/dt-bindings/interrupt-controller/x86-irq.h