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hw/sd/allwinner-sdhost: Use AddressSpace for DMA transfers

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Allow the device to execute the DMA transfers in a different
AddressSpace.

The A10 and H3 SoC keep using the system_memory address space,
but via the proper dma_memory_access() API.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20200814110057.307-1-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-08-28 10:02:45 +01:00 • committed by Peter Maydell
parent 9a4670be7f
commit b3aec952bf
4 changed files with 41 additions and 6 deletions
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2
hw/arm/allwinner-h3.c
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@ -349,6 +349,8 @@ static void allwinner_h3_realize(DeviceState *dev, Error **errp)
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sid), 0, s->memmap[AW_H3_SID]);
/* SD/MMC */
object_property_set_link(OBJECT(&s->mmc0), "dma-memory",
OBJECT(get_system_memory()), &error_fatal);
sysbus_realize(SYS_BUS_DEVICE(&s->mmc0), &error_fatal);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->mmc0), 0, s->memmap[AW_H3_MMC0]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc0), 0,