Merge tag 'pull-la-20220606' of https://gitlab.com/rth7680/qemu into staging

Initial LoongArch support.

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# gpg: Signature made Mon 06 Jun 2022 04:09:10 PM PDT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-la-20220606' of https://gitlab.com/rth7680/qemu: (43 commits)
  target/loongarch: 'make check-tcg' support
  tests/tcg/loongarch64: Add hello/memory test in loongarch64 system
  target/loongarch: Add gdb support.
  hw/loongarch: Add LoongArch virt power manager support.
  hw/loongarch: Add LoongArch load elf function.
  hw/loongarch: Add LoongArch ls7a rtc device support
  hw/loongarch: Add some devices support for 3A5000.
  Enable common virtio pci support for LoongArch
  hw/loongarch: Add irq hierarchy for the system
  hw/intc: Add LoongArch extioi interrupt controller(EIOINTC)
  hw/intc: Add LoongArch ls7a msi interrupt controller support(PCH-MSI)
  hw/intc: Add LoongArch ls7a interrupt controller support(PCH-PIC)
  hw/loongarch: Add LoongArch ipi interrupt support(IPI)
  hw/loongarch: Add support loongson3 virt machine type.
  target/loongarch: Add timer related instructions support.
  target/loongarch: Add other core instructions support
  target/loongarch: Add TLB instruction support
  target/loongarch: Add LoongArch IOCSR instruction
  target/loongarch: Add LoongArch CSR instruction
  target/loongarch: Add constant timer support
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/include/hw/pci-host/ls7a.h b/include/hw/pci-host/ls7a.h
new file mode 100644
index 0000000000..08c5f78be2
--- /dev/null
+++ b/include/hw/pci-host/ls7a.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * QEMU LoongArch CPU
+ *
+ * Copyright (c) 2021 Loongson Technology Corporation Limited
+ */
+
+#ifndef HW_LS7A_H
+#define HW_LS7A_H
+
+#include "hw/pci/pci.h"
+#include "hw/pci/pcie_host.h"
+#include "hw/pci-host/pam.h"
+#include "qemu/units.h"
+#include "qemu/range.h"
+#include "qom/object.h"
+
+#define LS7A_PCI_MEM_BASE        0x40000000UL
+#define LS7A_PCI_MEM_SIZE        0x40000000UL
+#define LS7A_PCI_IO_OFFSET      0x4000
+#define LS_PCIECFG_BASE         0x20000000
+#define LS_PCIECFG_SIZE         0x08000000
+#define LS7A_PCI_IO_BASE        0x18004000UL
+#define LS7A_PCI_IO_SIZE        0xC000
+
+#define LS7A_PCH_REG_BASE       0x10000000UL
+#define LS7A_IOAPIC_REG_BASE    (LS7A_PCH_REG_BASE)
+#define LS7A_PCH_MSI_ADDR_LOW   0x2FF00000UL
+
+/*
+ * According to the kernel pch irq start from 64 offset
+ * 0 ~ 16 irqs used for non-pci device while 16 ~ 64 irqs
+ * used for pci device.
+ */
+#define PCH_PIC_IRQ_OFFSET      64
+#define LS7A_DEVICE_IRQS        16
+#define LS7A_PCI_IRQS           48
+#define LS7A_UART_IRQ           (PCH_PIC_IRQ_OFFSET + 2)
+#define LS7A_UART_BASE          0x1fe001e0
+#define LS7A_RTC_IRQ            (PCH_PIC_IRQ_OFFSET + 3)
+#define LS7A_MISC_REG_BASE      (LS7A_PCH_REG_BASE + 0x00080000)
+#define LS7A_RTC_REG_BASE       (LS7A_MISC_REG_BASE + 0x00050100)
+#define LS7A_RTC_LEN            0x100
+#endif