xref: /openbmc/qemu/include/hw/loongarch/virt.h (revision 72db6d54)
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  (128 * 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
71