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_CPUS 256 18 19 #define VIRT_FWCFG_BASE 0x1e020000UL 20 #define VIRT_BIOS_BASE 0x1c000000UL 21 #define VIRT_BIOS_SIZE (4 * MiB) 22 #define VIRT_FLASH_SECTOR_SIZE (128 * KiB) 23 #define VIRT_FLASH_BASE 0x1d000000UL 24 #define VIRT_FLASH_SIZE (16 * MiB) 25 26 #define VIRT_LOWMEM_BASE 0 27 #define VIRT_LOWMEM_SIZE 0x10000000 28 #define VIRT_HIGHMEM_BASE 0x80000000 29 #define VIRT_GED_EVT_ADDR 0x100e0000 30 #define VIRT_GED_MEM_ADDR (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN) 31 #define VIRT_GED_REG_ADDR (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN) 32 33 struct LoongArchMachineState { 34 /*< private >*/ 35 MachineState parent_obj; 36 37 MemoryRegion lowmem; 38 MemoryRegion highmem; 39 MemoryRegion bios; 40 bool bios_loaded; 41 /* State for other subsystems/APIs: */ 42 FWCfgState *fw_cfg; 43 Notifier machine_done; 44 Notifier powerdown_notifier; 45 OnOffAuto acpi; 46 char *oem_id; 47 char *oem_table_id; 48 DeviceState *acpi_ged; 49 int fdt_size; 50 DeviceState *platform_bus_dev; 51 PCIBus *pci_bus; 52 PFlashCFI01 *flash; 53 }; 54 55 #define TYPE_LOONGARCH_MACHINE MACHINE_TYPE_NAME("virt") 56 OBJECT_DECLARE_SIMPLE_TYPE(LoongArchMachineState, LOONGARCH_MACHINE) 57 bool loongarch_is_acpi_enabled(LoongArchMachineState *lams); 58 void loongarch_acpi_setup(LoongArchMachineState *lams); 59 #endif 60