diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/intc/loongarch_dintc.h | 36 | ||||
| -rw-r--r-- | include/hw/loongarch/virt.h | 34 | ||||
| -rw-r--r-- | include/hw/pci-host/ls7a.h | 2 |
3 files changed, 72 insertions, 0 deletions
diff --git a/include/hw/intc/loongarch_dintc.h b/include/hw/intc/loongarch_dintc.h new file mode 100644 index 0000000..0b0b534 --- /dev/null +++ b/include/hw/intc/loongarch_dintc.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * LoongArch direct interrupt controller definitions + * + * Copyright (C) 2025 Loongson Technology Corporation Limited + */ + +#include "qom/object.h" +#include "hw/sysbus.h" +#include "hw/loongarch/virt.h" + + +#define NR_VECTORS 256 + +#define TYPE_LOONGARCH_DINTC "loongarch_dintc" +OBJECT_DECLARE_TYPE(LoongArchDINTCState, LoongArchDINTCClass, LOONGARCH_DINTC) + +typedef struct DINTCCore { + CPUState *cpu; + qemu_irq parent_irq; + uint64_t arch_id; +} DINTCCore; + +struct LoongArchDINTCState { + SysBusDevice parent_obj; + MemoryRegion dintc_mmio; + DINTCCore *cpu; + uint32_t num_cpu; +}; + +struct LoongArchDINTCClass { + SysBusDeviceClass parent_class; + + DeviceRealize parent_realize; + DeviceUnrealize parent_unrealize; +}; diff --git a/include/hw/loongarch/virt.h b/include/hw/loongarch/virt.h index 602feab..cd97bdf 100644 --- a/include/hw/loongarch/virt.h +++ b/include/hw/loongarch/virt.h @@ -13,6 +13,27 @@ #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 @@ -50,6 +71,7 @@ struct LoongArchVirtMachineState { Notifier powerdown_notifier; OnOffAuto acpi; OnOffAuto veiointc; + OnOffAuto dmsi; char *oem_id; char *oem_table_id; DeviceState *acpi_ged; @@ -65,6 +87,9 @@ struct LoongArchVirtMachineState { 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") @@ -72,6 +97,15 @@ 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) { diff --git a/include/hw/pci-host/ls7a.h b/include/hw/pci-host/ls7a.h index 79d4ea8..bfdbfe3 100644 --- a/include/hw/pci-host/ls7a.h +++ b/include/hw/pci-host/ls7a.h @@ -24,6 +24,8 @@ #define VIRT_PCH_REG_BASE 0x10000000UL #define VIRT_IOAPIC_REG_BASE (VIRT_PCH_REG_BASE) #define VIRT_PCH_MSI_ADDR_LOW 0x2FF00000UL +#define VIRT_DINTC_SIZE 0x100000UL +#define VIRT_DINTC_BASE 0x2FE00000UL #define VIRT_PCH_REG_SIZE 0x400 #define VIRT_PCH_MSI_SIZE 0x8 |