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| author | Alistair Francis <alistair.francis@wdc.com> | 2022-04-28 09:41:43 +1000 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2022-04-29 10:48:31 +1000 |
| commit | 1832b7cb3f6450c2c98e5181c7688b8e753fe7fd (patch) | |
| tree | b67b7fbb563aad491fd1ed92383e0211830be7cc /include/hw/riscv/virt.h | |
| parent | d24a7bc24ec9201357f554f590d247582360e3cf (diff) | |
| download | focaccia-qemu-1832b7cb3f6450c2c98e5181c7688b8e753fe7fd.tar.gz focaccia-qemu-1832b7cb3f6450c2c98e5181c7688b8e753fe7fd.zip | |
hw/riscv: virt: Create a platform bus
Create a platform bus to allow dynamic devices to be connected. This is based on the ARM implementation. Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Message-Id: <20220427234146.1130752-4-alistair.francis@opensource.wdc.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to '')
| -rw-r--r-- | include/hw/riscv/virt.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h index 8b8db3fb7c..984e55c77f 100644 --- a/include/hw/riscv/virt.h +++ b/include/hw/riscv/virt.h @@ -46,6 +46,7 @@ struct RISCVVirtState { /*< public >*/ Notifier machine_done; + DeviceState *platform_bus_dev; RISCVHartArrayState soc[VIRT_SOCKETS_MAX]; DeviceState *irqchip[VIRT_SOCKETS_MAX]; PFlashCFI01 *flash[2]; @@ -76,6 +77,7 @@ enum { VIRT_DRAM, VIRT_PCIE_MMIO, VIRT_PCIE_PIO, + VIRT_PLATFORM_BUS, VIRT_PCIE_ECAM }; @@ -85,9 +87,12 @@ enum { VIRTIO_IRQ = 1, /* 1 to 8 */ VIRTIO_COUNT = 8, PCIE_IRQ = 0x20, /* 32 to 35 */ - VIRTIO_NDEV = 0x35 /* Arbitrary maximum number of interrupts */ + VIRT_PLATFORM_BUS_IRQ = 64, /* 64 to 96 */ + VIRTIO_NDEV = 96 /* Arbitrary maximum number of interrupts */ }; +#define VIRT_PLATFORM_BUS_NUM_IRQS 32 + #define VIRT_IRQCHIP_IPI_MSI 1 #define VIRT_IRQCHIP_NUM_MSIS 255 #define VIRT_IRQCHIP_NUM_SOURCES VIRTIO_NDEV |