xref: /openbmc/qemu/include/hw/loongarch/virt.h (revision 784155cdcb02ffaae44afecab93861070e7d652d)
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_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      MemoryRegion lowmem;
40      MemoryRegion highmem;
41      MemoryRegion isa_io;
42      MemoryRegion bios;
43      bool         bios_loaded;
44      /* State for other subsystems/APIs: */
45      FWCfgState  *fw_cfg;
46      Notifier     machine_done;
47      Notifier     powerdown_notifier;
48      OnOffAuto    acpi;
49      char         *oem_id;
50      char         *oem_table_id;
51      DeviceState  *acpi_ged;
52      int          fdt_size;
53      DeviceState *platform_bus_dev;
54      PCIBus       *pci_bus;
55      PFlashCFI01  *flash;
56  };
57  
58  #define TYPE_LOONGARCH_MACHINE  MACHINE_TYPE_NAME("virt")
59  OBJECT_DECLARE_SIMPLE_TYPE(LoongArchMachineState, LOONGARCH_MACHINE)
60  bool loongarch_is_acpi_enabled(LoongArchMachineState *lams);
61  void loongarch_acpi_setup(LoongArchMachineState *lams);
62  #endif
63