xref: /openbmc/qemu/include/hw/loongarch/virt.h (revision ed75658a)
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          (16 * MiB)
22 #define VIRT_FLASH_SECTOR_SIZE  (128 * KiB)
23 #define VIRT_FLASH0_BASE        VIRT_BIOS_BASE
24 #define VIRT_FLASH0_SIZE        VIRT_BIOS_SIZE
25 #define VIRT_FLASH1_BASE        0x1d000000UL
26 #define VIRT_FLASH1_SIZE        (16 * MiB)
27 
28 #define VIRT_LOWMEM_BASE        0
29 #define VIRT_LOWMEM_SIZE        0x10000000
30 #define VIRT_HIGHMEM_BASE       0x80000000
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 bios;
42     bool         bios_loaded;
43     /* State for other subsystems/APIs: */
44     FWCfgState  *fw_cfg;
45     Notifier     machine_done;
46     Notifier     powerdown_notifier;
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     PFlashCFI01  *flash[2];
55     MemoryRegion system_iocsr;
56     MemoryRegion iocsr_mem;
57     AddressSpace as_iocsr;
58 };
59 
60 #define TYPE_LOONGARCH_MACHINE  MACHINE_TYPE_NAME("virt")
61 OBJECT_DECLARE_SIMPLE_TYPE(LoongArchMachineState, LOONGARCH_MACHINE)
62 bool loongarch_is_acpi_enabled(LoongArchMachineState *lams);
63 void loongarch_acpi_setup(LoongArchMachineState *lams);
64 #endif
65