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| author | Xiaojuan Yang <yangxiaojuan@loongson.cn> | 2022-06-06 20:43:24 +0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-06-06 18:12:30 +0000 |
| commit | cbff2db1e92f8759db0f0716a41a3e11b18f2eee (patch) | |
| tree | 6fe5280374fdaca25a2641efd9dc5d4309976d43 /include/hw/intc | |
| parent | 249ad85a4b4ba6e949bba3c5b9932c389e07249c (diff) | |
| download | focaccia-qemu-cbff2db1e92f8759db0f0716a41a3e11b18f2eee.tar.gz focaccia-qemu-cbff2db1e92f8759db0f0716a41a3e11b18f2eee.zip | |
hw/intc: Add LoongArch extioi interrupt controller(EIOINTC)
This patch realize the EIOINTC interrupt controller. Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220606124333.2060567-35-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/hw/intc')
| -rw-r--r-- | include/hw/intc/loongarch_extioi.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/hw/intc/loongarch_extioi.h b/include/hw/intc/loongarch_extioi.h new file mode 100644 index 0000000000..15b8c999f6 --- /dev/null +++ b/include/hw/intc/loongarch_extioi.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * LoongArch 3A5000 ext interrupt controller definitions + * + * Copyright (C) 2021 Loongson Technology Corporation Limited + */ + +#include "hw/sysbus.h" +#include "hw/loongarch/virt.h" + +#ifndef LOONGARCH_EXTIOI_H +#define LOONGARCH_EXTIOI_H + +#define LS3A_INTC_IP 8 +#define EXTIOI_IRQS (256) +#define EXTIOI_IRQS_BITMAP_SIZE (256 / 8) +/* map to ipnum per 32 irqs */ +#define EXTIOI_IRQS_IPMAP_SIZE (256 / 32) +#define EXTIOI_IRQS_COREMAP_SIZE 256 +#define EXTIOI_IRQS_NODETYPE_COUNT 16 +#define EXTIOI_IRQS_GROUP_COUNT 8 + +#define APIC_OFFSET 0x400 +#define APIC_BASE (0x1000ULL + APIC_OFFSET) + +#define EXTIOI_NODETYPE_START (0x4a0 - APIC_OFFSET) +#define EXTIOI_NODETYPE_END (0x4c0 - APIC_OFFSET) +#define EXTIOI_IPMAP_START (0x4c0 - APIC_OFFSET) +#define EXTIOI_IPMAP_END (0x4c8 - APIC_OFFSET) +#define EXTIOI_ENABLE_START (0x600 - APIC_OFFSET) +#define EXTIOI_ENABLE_END (0x620 - APIC_OFFSET) +#define EXTIOI_BOUNCE_START (0x680 - APIC_OFFSET) +#define EXTIOI_BOUNCE_END (0x6a0 - APIC_OFFSET) +#define EXTIOI_ISR_START (0x700 - APIC_OFFSET) +#define EXTIOI_ISR_END (0x720 - APIC_OFFSET) +#define EXTIOI_COREISR_START (0x800 - APIC_OFFSET) +#define EXTIOI_COREISR_END (0xB20 - APIC_OFFSET) +#define EXTIOI_COREMAP_START (0xC00 - APIC_OFFSET) +#define EXTIOI_COREMAP_END (0xD00 - APIC_OFFSET) + +#define TYPE_LOONGARCH_EXTIOI "loongarch.extioi" +OBJECT_DECLARE_SIMPLE_TYPE(LoongArchExtIOI, LOONGARCH_EXTIOI) +struct LoongArchExtIOI { + SysBusDevice parent_obj; + /* hardware state */ + uint32_t nodetype[EXTIOI_IRQS_NODETYPE_COUNT / 2]; + uint32_t bounce[EXTIOI_IRQS_GROUP_COUNT]; + uint32_t isr[EXTIOI_IRQS / 32]; + uint32_t coreisr[LOONGARCH_MAX_VCPUS][EXTIOI_IRQS_GROUP_COUNT]; + uint32_t enable[EXTIOI_IRQS / 32]; + uint32_t ipmap[EXTIOI_IRQS_IPMAP_SIZE / 4]; + uint32_t coremap[EXTIOI_IRQS / 4]; + uint32_t sw_pending[EXTIOI_IRQS / 32]; + DECLARE_BITMAP(sw_isr[LOONGARCH_MAX_VCPUS][LS3A_INTC_IP], EXTIOI_IRQS); + uint8_t sw_ipmap[EXTIOI_IRQS_IPMAP_SIZE]; + uint8_t sw_coremap[EXTIOI_IRQS]; + qemu_irq parent_irq[LOONGARCH_MAX_VCPUS][LS3A_INTC_IP]; + qemu_irq irq[EXTIOI_IRQS]; + MemoryRegion extioi_iocsr_mem[LOONGARCH_MAX_VCPUS]; + MemoryRegion extioi_system_mem; +}; +#endif /* LOONGARCH_EXTIOI_H */ |