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| author | Philippe Mathieu-Daudé | 2020-08-28 11:02:45 +0200 |
|---|---|---|
| committer | Peter Maydell | 2020-08-28 11:02:45 +0200 |
| commit | 4757cb857934a5e2dcafe1f41e95233f5c0a878d (patch) | |
| tree | 69a8e4c2a6df3f7762f2453917ed81a24b5f2fe8 /hw/arm/allwinner-h3.c | |
| parent | hw/sd/allwinner-sdhost: Use AddressSpace for DMA transfers (diff) | |
| download | qemu-4757cb857934a5e2dcafe1f41e95233f5c0a878d.tar.gz qemu-4757cb857934a5e2dcafe1f41e95233f5c0a878d.tar.xz qemu-4757cb857934a5e2dcafe1f41e95233f5c0a878d.zip | |
hw/net/allwinner-sun8i-emac: Use AddressSpace for DMA transfers
Allow the device to execute the DMA transfers in a different
AddressSpace.
The H3 SoC keeps using the system_memory address space,
but via the proper dma_memory_access() API.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Tested-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20200814122907.27732-1-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/allwinner-h3.c')
| -rw-r--r-- | hw/arm/allwinner-h3.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/arm/allwinner-h3.c b/hw/arm/allwinner-h3.c index 43a8d3dc48..76ac51a3ef 100644 --- a/hw/arm/allwinner-h3.c +++ b/hw/arm/allwinner-h3.c @@ -365,6 +365,8 @@ static void allwinner_h3_realize(DeviceState *dev, Error **errp) qemu_check_nic_model(&nd_table[0], TYPE_AW_SUN8I_EMAC); qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]); } + object_property_set_link(OBJECT(&s->emac), "dma-memory", + OBJECT(get_system_memory()), &error_fatal); sysbus_realize(SYS_BUS_DEVICE(&s->emac), &error_fatal); sysbus_mmio_map(SYS_BUS_DEVICE(&s->emac), 0, s->memmap[AW_H3_EMAC]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->emac), 0, |