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  • Bin Meng's avatar
    riscv: Add QEMU virt board support · 510e379c
    Bin Meng authored
    
    
    This adds QEMU RISC-V 'virt' board target support, with the hope of
    helping people easily test U-Boot on RISC-V.
    
    The QEMU virt machine models a generic RISC-V virtual machine with
    support for the VirtIO standard networking and block storage devices.
    It has CLINT, PLIC, 16550A UART devices in addition to VirtIO and
    it also uses device-tree to pass configuration information to guest
    software. It implements RISC-V privileged architecture spec v1.10.
    
    Both 32-bit and 64-bit builds are supported. Support is pretty much
    preliminary, only booting to U-Boot shell with the UART driver on
    a single core. Booting Linux is not supported yet.
    
    Signed-off-by: Bin Meng's avatarBin Meng <bmeng.cn@gmail.com>
    Reviewed-by: default avatarLukas Auer <lukas.auer@aisec.fraunhofer.de>
    510e379c