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authorHervé Poussineau <hpoussin@reactos.org>2018-01-06 16:37:22 +0100
committerPhilippe Mathieu-Daudé <philmd@redhat.com>2019-11-05 23:33:12 +0100
commit135bfcc1ef47809d550a014c1c59a8cc544922bb (patch)
tree3c8964b6cc79e3a9fb14eda8b1d0cf8d3ae08227 /hw/isa
parent9b74b190d6ca36ff997d6c502ec574610e4a251c (diff)
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piix4: Add an i8257 DMA Controller as specified in datasheet
The i8257 is not a chipset on the Malta board, but is part of the PIIX4 chipset. Create the i8257 in the PIIX4 code, remove the one instantiated in malta board, to not have it twice. Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-Id: <20171216090228.28505-9-hpoussin@reactos.org> Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com> Reviewed-by: Esteban Bosse <estebanbosse@gmail.com> [PMD: rebased, reworded description] Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Diffstat (limited to 'hw/isa')
-rw-r--r--hw/isa/piix4.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c
index fa38791..9ebe98b 100644
--- a/hw/isa/piix4.c
+++ b/hw/isa/piix4.c
@@ -29,6 +29,7 @@
#include "hw/pci/pci.h"
#include "hw/isa/isa.h"
#include "hw/sysbus.h"
+#include "hw/dma/i8257.h"
#include "migration/vmstate.h"
#include "sysemu/reset.h"
#include "sysemu/runstate.h"
@@ -167,6 +168,9 @@ static void piix4_realize(PCIDevice *dev, Error **errp)
/* initialize ISA irqs */
isa_bus_irqs(isa_bus, s->isa);
+ /* DMA */
+ i8257_dma_init(isa_bus, 0);
+
piix4_dev = dev;
}