1 files changed, 60 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/acpi.h b/arch/loongarch/include/asm/acpi.h
new file mode 100644
index 0000000000..8de6c4b83a
--- /dev/null
+++ b/arch/loongarch/include/asm/acpi.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Author: Jianmin Lv <lvjianmin@loongson.cn>
+ *         Huacai Chen <chenhuacai@loongson.cn>
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+
+#ifndef _ASM_LOONGARCH_ACPI_H
+#define _ASM_LOONGARCH_ACPI_H
+
+#include <asm/suspend.h>
+
+#ifdef CONFIG_ACPI
+extern int acpi_strict;
+extern int acpi_disabled;
+extern int acpi_pci_disabled;
+extern int acpi_noirq;
+extern int pptt_enabled;
+
+#define acpi_os_ioremap acpi_os_ioremap
+void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size);
+
+static inline void disable_acpi(void)
+{
+	acpi_disabled = 1;
+	acpi_pci_disabled = 1;
+	acpi_noirq = 1;
+}
+
+static inline bool acpi_has_cpu_in_madt(void)
+{
+	return true;
+}
+
+extern struct list_head acpi_wakeup_device_list;
+extern struct acpi_madt_core_pic acpi_core_pic[NR_CPUS];
+
+extern int __init parse_acpi_topology(void);
+
+static inline u32 get_acpi_id_for_cpu(unsigned int cpu)
+{
+	return acpi_core_pic[cpu_logical_map(cpu)].processor_id;
+}
+
+#endif /* !CONFIG_ACPI */
+
+#define ACPI_TABLE_UPGRADE_MAX_PHYS ARCH_LOW_ADDRESS_LIMIT
+
+extern int loongarch_acpi_suspend(void);
+extern int (*acpi_suspend_lowlevel)(void);
+
+static inline unsigned long acpi_get_wakeup_address(void)
+{
+#ifdef CONFIG_SUSPEND
+	return (unsigned long)loongarch_wakeup_start;
+#endif
+	return 0UL;
+}
+
+#endif /* _ASM_LOONGARCH_ACPI_H */