xref: /openbmc/qemu/include/hw/loongarch/virt.h (revision 784155cd)
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