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 #include "hw/block/flash.h" 16 17 #define LOONGARCH_MAX_VCPUS 4 18 19 #define VIRT_ISA_IO_BASE 0x18000000UL 20 #define VIRT_ISA_IO_SIZE 0x0004000 21 #define VIRT_FWCFG_BASE 0x1e020000UL 22 #define VIRT_BIOS_BASE 0x1c000000UL 23 #define VIRT_BIOS_SIZE (4 * MiB) 24 #define VIRT_FLASH_SECTOR_SIZE (128 * KiB) 25 #define VIRT_FLASH_BASE 0x1d000000UL 26 #define VIRT_FLASH_SIZE (16 * MiB) 27 28 #define VIRT_LOWMEM_BASE 0 29 #define VIRT_LOWMEM_SIZE 0x10000000 30 #define VIRT_HIGHMEM_BASE 0x90000000 31 #define VIRT_GED_EVT_ADDR 0x100e0000 32 #define VIRT_GED_MEM_ADDR (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN) 33 #define VIRT_GED_REG_ADDR (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN) 34 35 struct LoongArchMachineState { 36 /*< private >*/ 37 MachineState parent_obj; 38 39 IPICore ipi_core[MAX_IPI_CORE_NUM]; 40 MemoryRegion lowmem; 41 MemoryRegion highmem; 42 MemoryRegion isa_io; 43 MemoryRegion bios; 44 bool bios_loaded; 45 /* State for other subsystems/APIs: */ 46 FWCfgState *fw_cfg; 47 Notifier machine_done; 48 Notifier powerdown_notifier; 49 OnOffAuto acpi; 50 char *oem_id; 51 char *oem_table_id; 52 DeviceState *acpi_ged; 53 int fdt_size; 54 DeviceState *platform_bus_dev; 55 PCIBus *pci_bus; 56 PFlashCFI01 *flash; 57 }; 58 59 #define TYPE_LOONGARCH_MACHINE MACHINE_TYPE_NAME("virt") 60 OBJECT_DECLARE_SIMPLE_TYPE(LoongArchMachineState, LOONGARCH_MACHINE) 61 bool loongarch_is_acpi_enabled(LoongArchMachineState *lams); 62 void loongarch_acpi_setup(LoongArchMachineState *lams); 63 #endif 64