| /* 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/smp.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; |
| } |
| |
| #define MAX_CORE_PIC 256 |
| |
| extern struct list_head acpi_wakeup_device_list; |
| extern struct acpi_madt_core_pic acpi_core_pic[MAX_CORE_PIC]; |
| |
| 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 */ |