include/hw/loongarch/virt.h

   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     MemoryRegion system_iocsr;
  54     MemoryRegion iocsr_mem;
  55     AddressSpace as_iocsr;
  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