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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Definitions for loongarch board emulation.
*
* Copyright (C) 2021 Loongson Technology Corporation Limited
*/
#ifndef HW_LOONGARCH_H
#define HW_LOONGARCH_H
#include "hw/boards.h"
#include "qemu/queue.h"
#include "hw/block/flash.h"
#include "hw/loongarch/boot.h"
#define IOCSRF_TEMP 0
#define IOCSRF_NODECNT 1
#define IOCSRF_MSI 2
#define IOCSRF_EXTIOI 3
#define IOCSRF_CSRIPI 4
#define IOCSRF_FREQCSR 5
#define IOCSRF_FREQSCALE 6
#define IOCSRF_DVFSV1 7
#define IOCSRF_GMOD 9
#define IOCSRF_VM 11
#define IOCSRF_DMSI 15
#define VERSION_REG 0x0
#define FEATURE_REG 0x8
#define VENDOR_REG 0x10
#define CPUNAME_REG 0x20
#define MISC_FUNC_REG 0x420
#define IOCSRM_EXTIOI_EN 48
#define IOCSRM_EXTIOI_INT_ENCODE 49
#define IOCSRM_DMSI_EN 51
#define LOONGARCH_MAX_CPUS 256
#define VIRT_FWCFG_BASE 0x1e020000UL
#define VIRT_BIOS_BASE 0x1c000000UL
#define VIRT_BIOS_SIZE (16 * MiB)
#define VIRT_FLASH_SECTOR_SIZE (256 * KiB)
#define VIRT_FLASH0_BASE VIRT_BIOS_BASE
#define VIRT_FLASH0_SIZE VIRT_BIOS_SIZE
#define VIRT_FLASH1_BASE 0x1d000000UL
#define VIRT_FLASH1_SIZE (16 * MiB)
#define VIRT_LOWMEM_BASE 0
#define VIRT_LOWMEM_SIZE 0x10000000
#define VIRT_HIGHMEM_BASE 0x80000000
#define VIRT_GED_EVT_ADDR 0x100e0000
#define VIRT_GED_MEM_ADDR (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN)
#define VIRT_GED_REG_ADDR (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN)
#define VIRT_GED_CPUHP_ADDR (VIRT_GED_REG_ADDR + ACPI_GED_REG_COUNT)
#define COMMAND_LINE_SIZE 512
#define FDT_BASE 0x100000
struct LoongArchVirtMachineState {
/*< private >*/
MachineState parent_obj;
MemoryRegion lowmem;
MemoryRegion highmem;
MemoryRegion bios;
bool bios_loaded;
/* State for other subsystems/APIs: */
FWCfgState *fw_cfg;
Notifier machine_done;
Notifier powerdown_notifier;
OnOffAuto acpi;
OnOffAuto veiointc;
OnOffAuto dmsi;
char *oem_id;
char *oem_table_id;
DeviceState *acpi_ged;
int fdt_size;
DeviceState *platform_bus_dev;
PCIBus *pci_bus;
PFlashCFI01 *flash[2];
MemoryRegion system_iocsr;
MemoryRegion iocsr_mem;
AddressSpace as_iocsr;
struct loongarch_boot_info bootinfo;
DeviceState *ipi;
DeviceState *extioi;
struct memmap_entry *memmap_table;
unsigned int memmap_entries;
uint64_t misc_feature;
uint64_t misc_status;
DeviceState *dintc;
};
#define TYPE_LOONGARCH_VIRT_MACHINE MACHINE_TYPE_NAME("virt")
OBJECT_DECLARE_SIMPLE_TYPE(LoongArchVirtMachineState, LOONGARCH_VIRT_MACHINE)
void virt_acpi_setup(LoongArchVirtMachineState *lvms);
void virt_fdt_setup(LoongArchVirtMachineState *lvms);
static inline bool virt_has_dmsi(LoongArchVirtMachineState *lvms)
{
if (!(lvms->misc_feature & BIT(IOCSRF_DMSI))) {
return false;
}
return true;
}
static inline bool virt_is_veiointc_enabled(LoongArchVirtMachineState *lvms)
{
if (lvms->veiointc == ON_OFF_AUTO_OFF) {
return false;
}
return true;
}
#endif
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