1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Author: Jianmin Lv <lvjianmin@loongson.cn> 4 * Huacai Chen <chenhuacai@loongson.cn> 5 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 6 */ 7 8#ifndef _ASM_LOONGARCH_ACPI_H 9#define _ASM_LOONGARCH_ACPI_H 10 11#include <asm/smp.h> 12#include <asm/suspend.h> 13 14#ifdef CONFIG_ACPI 15extern int acpi_strict; 16extern int acpi_disabled; 17extern int acpi_pci_disabled; 18extern int acpi_noirq; 19extern int pptt_enabled; 20 21#define acpi_os_ioremap acpi_os_ioremap 22void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size); 23 24static inline void disable_acpi(void) 25{ 26 acpi_disabled = 1; 27 acpi_pci_disabled = 1; 28 acpi_noirq = 1; 29} 30 31static inline bool acpi_has_cpu_in_madt(void) 32{ 33 return true; 34} 35 36#define MAX_CORE_PIC 256 37 38extern struct list_head acpi_wakeup_device_list; 39extern struct acpi_madt_core_pic acpi_core_pic[MAX_CORE_PIC]; 40 41extern int __init parse_acpi_topology(void); 42 43static inline u32 get_acpi_id_for_cpu(unsigned int cpu) 44{ 45 return acpi_core_pic[cpu_logical_map(cpu)].processor_id; 46} 47 48#endif /* !CONFIG_ACPI */ 49 50#define ACPI_TABLE_UPGRADE_MAX_PHYS ARCH_LOW_ADDRESS_LIMIT 51 52extern int loongarch_acpi_suspend(void); 53extern int (*acpi_suspend_lowlevel)(void); 54 55static inline unsigned long acpi_get_wakeup_address(void) 56{ 57#ifdef CONFIG_SUSPEND 58 return (unsigned long)loongarch_wakeup_start; 59#endif 60 return 0UL; 61} 62 63#endif /* _ASM_LOONGARCH_ACPI_H */ 64