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 #include "hw/loongarch/boot.h" 17 18 #define LOONGARCH_MAX_CPUS 256 19 20 #define VIRT_FWCFG_BASE 0x1e020000UL 21 #define VIRT_BIOS_BASE 0x1c000000UL 22 #define VIRT_BIOS_SIZE (16 * MiB) 23 #define VIRT_FLASH_SECTOR_SIZE (128 * KiB) 24 #define VIRT_FLASH0_BASE VIRT_BIOS_BASE 25 #define VIRT_FLASH0_SIZE VIRT_BIOS_SIZE 26 #define VIRT_FLASH1_BASE 0x1d000000UL 27 #define VIRT_FLASH1_SIZE (16 * MiB) 28 29 #define VIRT_LOWMEM_BASE 0 30 #define VIRT_LOWMEM_SIZE 0x10000000 31 #define VIRT_HIGHMEM_BASE 0x80000000 32 #define VIRT_GED_EVT_ADDR 0x100e0000 33 #define VIRT_GED_MEM_ADDR (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN) 34 #define VIRT_GED_REG_ADDR (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN) 35 36 #define COMMAND_LINE_SIZE 512 37 38 #define FDT_BASE 0x100000 39 40 extern struct memmap_entry *memmap_table; 41 extern unsigned memmap_entries; 42 43 struct memmap_entry { 44 uint64_t address; 45 uint64_t length; 46 uint32_t type; 47 uint32_t reserved; 48 }; 49 50 struct LoongArchMachineState { 51 /*< private >*/ 52 MachineState parent_obj; 53 54 MemoryRegion lowmem; 55 MemoryRegion highmem; 56 MemoryRegion bios; 57 bool bios_loaded; 58 /* State for other subsystems/APIs: */ 59 FWCfgState *fw_cfg; 60 Notifier machine_done; 61 Notifier powerdown_notifier; 62 OnOffAuto acpi; 63 char *oem_id; 64 char *oem_table_id; 65 DeviceState *acpi_ged; 66 int fdt_size; 67 DeviceState *platform_bus_dev; 68 PCIBus *pci_bus; 69 PFlashCFI01 *flash[2]; 70 MemoryRegion system_iocsr; 71 MemoryRegion iocsr_mem; 72 AddressSpace as_iocsr; 73 struct loongarch_boot_info bootinfo; 74 }; 75 76 #define TYPE_LOONGARCH_MACHINE MACHINE_TYPE_NAME("virt") 77 OBJECT_DECLARE_SIMPLE_TYPE(LoongArchMachineState, LOONGARCH_MACHINE) 78 bool loongarch_is_acpi_enabled(LoongArchMachineState *lams); 79 void loongarch_acpi_setup(LoongArchMachineState *lams); 80 #endif 81