diff options
| author | Alexander Graf <agraf@suse.de> | 2017-02-10 17:40:29 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-02-10 17:40:29 +0000 |
| commit | 14efdb5cb3540d5ada51b81b70ec18ce95ae1642 (patch) | |
| tree | 09e7a4fcca6e369bd4d6a324df3123b6c51abad6 /hw | |
| parent | 3b5c492b1c728f90b17520be74c4d74c9797c55c (diff) | |
hw/arm/virt: Declare fwcfg as dma cache coherent in dt
Fw-cfg recently learned how to directly access guest memory and does so in
cache coherent fashion. Tell the guest about that fact when it's using DT.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Message-id: 1486644810-33181-5-git-send-email-agraf@suse.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/arm/virt.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c index d20e627600..f3440f2ccb 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -929,6 +929,7 @@ static FWCfgState *create_fw_cfg(const VirtMachineState *vms, AddressSpace *as) "compatible", "qemu,fw-cfg-mmio"); qemu_fdt_setprop_sized_cells(vms->fdt, nodename, "reg", 2, base, 2, size); + qemu_fdt_setprop(vms->fdt, nodename, "dma-coherent", NULL, 0); g_free(nodename); return fw_cfg; } |