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/loongson_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  (256 * 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 struct LoongArchVirtMachineState {
  41     /*< private >*/
  42     MachineState parent_obj;
  43
  44     MemoryRegion lowmem;
  45     MemoryRegion highmem;
  46     MemoryRegion bios;
  47     bool         bios_loaded;
  48     /* State for other subsystems/APIs: */
  49     FWCfgState  *fw_cfg;
  50     Notifier     machine_done;
  51     Notifier     powerdown_notifier;
  52     OnOffAuto    acpi;
  53     OnOffAuto    veiointc;
  54     char         *oem_id;
  55     char         *oem_table_id;
  56     DeviceState  *acpi_ged;
  57     int          fdt_size;
  58     DeviceState *platform_bus_dev;
  59     PCIBus       *pci_bus;
  60     PFlashCFI01  *flash[2];
  61     MemoryRegion system_iocsr;
  62     MemoryRegion iocsr_mem;
  63     AddressSpace as_iocsr;
  64     struct loongarch_boot_info bootinfo;
  65 };
  66
  67 #define TYPE_LOONGARCH_VIRT_MACHINE  MACHINE_TYPE_NAME("virt")
  68 OBJECT_DECLARE_SIMPLE_TYPE(LoongArchVirtMachineState, LOONGARCH_VIRT_MACHINE)
  69 void loongarch_acpi_setup(LoongArchVirtMachineState *lvms);
  70 #endif