1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Definitions for loongarch board emulation. 4 * 5 * Copyright (C) 2021 Loongson Technology Corporation Limited 6 */ 7 8 #ifndef HW_LOONGARCH_H 9 #define HW_LOONGARCH_H 10 11 #include "target/loongarch/cpu.h" 12 #include "hw/boards.h" 13 #include "qemu/queue.h" 14 #include "hw/intc/loongarch_ipi.h" 15 16 #define LOONGARCH_MAX_VCPUS 4 17 18 #define VIRT_ISA_IO_BASE 0x18000000UL 19 #define VIRT_ISA_IO_SIZE 0x0004000 20 #define VIRT_FWCFG_BASE 0x1e020000UL 21 #define VIRT_BIOS_BASE 0x1c000000UL 22 #define VIRT_BIOS_SIZE (4 * MiB) 23 24 #define VIRT_LOWMEM_BASE 0 25 #define VIRT_LOWMEM_SIZE 0x10000000 26 #define VIRT_HIGHMEM_BASE 0x90000000 27 #define VIRT_GED_EVT_ADDR 0x100e0000 28 #define VIRT_GED_MEM_ADDR (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN) 29 #define VIRT_GED_REG_ADDR (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN) 30 31 struct LoongArchMachineState { 32 /*< private >*/ 33 MachineState parent_obj; 34 35 IPICore ipi_core[MAX_IPI_CORE_NUM]; 36 MemoryRegion lowmem; 37 MemoryRegion highmem; 38 MemoryRegion isa_io; 39 MemoryRegion bios; 40 bool bios_loaded; 41 /* State for other subsystems/APIs: */ 42 FWCfgState *fw_cfg; 43 Notifier machine_done; 44 OnOffAuto acpi; 45 char *oem_id; 46 char *oem_table_id; 47 DeviceState *acpi_ged; 48 int fdt_size; 49 DeviceState *platform_bus_dev; 50 PCIBus *pci_bus; 51 }; 52 53 #define TYPE_LOONGARCH_MACHINE MACHINE_TYPE_NAME("virt") 54 OBJECT_DECLARE_SIMPLE_TYPE(LoongArchMachineState, LOONGARCH_MACHINE) 55 bool loongarch_is_acpi_enabled(LoongArchMachineState *lams); 56 void loongarch_acpi_setup(LoongArchMachineState *lams); 57 #endif 58