xref: /openbmc/qemu/include/hw/loongarch/virt.h (revision 8466405e)
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 
16 #define LOONGARCH_MAX_VCPUS     4
17 
18 #define VIRT_ISA_IO_BASE        0x18000000UL
19 #define VIRT_ISA_IO_SIZE        0x0004000
20 #define VIRT_FWCFG_BASE         0x1e020000UL
21 #define VIRT_BIOS_BASE          0x1c000000UL
22 #define VIRT_BIOS_SIZE          (4 * MiB)
23 
24 #define VIRT_LOWMEM_BASE        0
25 #define VIRT_LOWMEM_SIZE        0x10000000
26 #define VIRT_HIGHMEM_BASE       0x90000000
27 #define VIRT_GED_EVT_ADDR       0x100e0000
28 #define VIRT_GED_MEM_ADDR       (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN)
29 #define VIRT_GED_REG_ADDR       (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN)
30 
31 #define VIRT_FDT_BASE           0x1c400000
32 #define VIRT_FDT_SIZE           0x100000
33 
34 struct LoongArchMachineState {
35     /*< private >*/
36     MachineState parent_obj;
37 
38     IPICore ipi_core[MAX_IPI_CORE_NUM];
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     OnOffAuto    acpi;
48     char         *oem_id;
49     char         *oem_table_id;
50     DeviceState  *acpi_ged;
51     int          fdt_size;
52     DeviceState *platform_bus_dev;
53     PCIBus       *pci_bus;
54 };
55 
56 #define TYPE_LOONGARCH_MACHINE  MACHINE_TYPE_NAME("virt")
57 OBJECT_DECLARE_SIMPLE_TYPE(LoongArchMachineState, LOONGARCH_MACHINE)
58 bool loongarch_is_acpi_enabled(LoongArchMachineState *lams);
59 void loongarch_acpi_setup(LoongArchMachineState *lams);
60 #endif
61