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authorXiaojuan Yang <yangxiaojuan@loongson.cn>2022-06-06 20:43:23 +0800
committerRichard Henderson <richard.henderson@linaro.org>2022-06-06 18:12:28 +0000
commit249ad85a4b4ba6e949bba3c5b9932c389e07249c (patch)
tree4cd3dec4dfdc0bb97092812c831150a0180d0a55 /include
parent0f4fcf1845fe188901d4ff4cc807bd78690dddd0 (diff)
hw/intc: Add LoongArch ls7a msi interrupt controller support(PCH-MSI)
This patch realize PCH-MSI 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: <20220606124333.2060567-34-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/hw/intc/loongarch_pch_msi.h20
-rw-r--r--include/hw/pci-host/ls7a.h3
2 files changed, 23 insertions, 0 deletions
diff --git a/include/hw/intc/loongarch_pch_msi.h b/include/hw/intc/loongarch_pch_msi.h
new file mode 100644
index 0000000000..f668bfca7a
--- /dev/null
+++ b/include/hw/intc/loongarch_pch_msi.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * LoongArch 7A1000 I/O interrupt controller definitions
+ *
+ * Copyright (C) 2021 Loongson Technology Corporation Limited
+ */
+
+#define TYPE_LOONGARCH_PCH_MSI "loongarch_pch_msi"
+OBJECT_DECLARE_SIMPLE_TYPE(LoongArchPCHMSI, LOONGARCH_PCH_MSI)
+
+/* Msi irq start start from 64 to 255 */
+#define PCH_MSI_IRQ_START 64
+#define PCH_MSI_IRQ_END 255
+#define PCH_MSI_IRQ_NUM 192
+
+struct LoongArchPCHMSI {
+ SysBusDevice parent_obj;
+ qemu_irq pch_msi_irq[PCH_MSI_IRQ_NUM];
+ MemoryRegion msi_mmio;
+};
diff --git a/include/hw/pci-host/ls7a.h b/include/hw/pci-host/ls7a.h
index bf80e99ce1..089d3e5438 100644
--- a/include/hw/pci-host/ls7a.h
+++ b/include/hw/pci-host/ls7a.h
@@ -15,6 +15,9 @@
#include "qemu/range.h"
#include "qom/object.h"
+#define LS7A_PCI_MEM_BASE 0x40000000UL
+#define LS7A_PCI_MEM_SIZE 0x40000000UL
+
#define LS7A_PCH_REG_BASE 0x10000000UL
#define LS7A_IOAPIC_REG_BASE (LS7A_PCH_REG_BASE)
#define LS7A_PCH_MSI_ADDR_LOW 0x2FF00000UL