sdhci: add a 'dma' property to the sysbus devices

Add a 'dma' property allowing machine creation to provide the address-space
SDHCI DMA operates on.

[based on a patch from Alistair Francis <alistair.francis@xilinx.com>
 from qemu/xilinx tag xilinx-v2016.1]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180115182436.2066-15-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h
index 4a102b86ce..cb37182536 100644
--- a/include/hw/sd/sdhci.h
+++ b/include/hw/sd/sdhci.h
@@ -42,6 +42,7 @@ typedef struct SDHCIState {
     SDBus sdbus;
     MemoryRegion iomem;
     AddressSpace *dma_as;
+    MemoryRegion *dma_mr;
 
     QEMUTimer *insert_timer;       /* timer for 'changing' sd card. */
     QEMUTimer *transfer_timer;