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-rw-r--r--include/hw/arm/bcm2835_peripherals.h2
-rw-r--r--include/hw/dma/bcm2835_dma.h47
2 files changed, 49 insertions, 0 deletions
diff --git a/include/hw/arm/bcm2835_peripherals.h b/include/hw/arm/bcm2835_peripherals.h
index e19d360e5a..e12ae3721a 100644
--- a/include/hw/arm/bcm2835_peripherals.h
+++ b/include/hw/arm/bcm2835_peripherals.h
@@ -16,6 +16,7 @@
#include "hw/sysbus.h"
#include "hw/char/bcm2835_aux.h"
#include "hw/display/bcm2835_fb.h"
+#include "hw/dma/bcm2835_dma.h"
#include "hw/intc/bcm2835_ic.h"
#include "hw/misc/bcm2835_property.h"
#include "hw/misc/bcm2835_mbox.h"
@@ -37,6 +38,7 @@ typedef struct BCM2835PeripheralState {
SysBusDevice *uart0;
BCM2835AuxState aux;
BCM2835FBState fb;
+ BCM2835DMAState dma;
BCM2835ICState ic;
BCM2835PropertyState property;
BCM2835MboxState mboxes;
diff --git a/include/hw/dma/bcm2835_dma.h b/include/hw/dma/bcm2835_dma.h
new file mode 100644
index 0000000000..75312e2e17
--- /dev/null
+++ b/include/hw/dma/bcm2835_dma.h
@@ -0,0 +1,47 @@
+/*
+ * Raspberry Pi emulation (c) 2012 Gregory Estrade
+ * This code is licensed under the GNU GPLv2 and later.
+ */
+
+#ifndef BCM2835_DMA_H
+#define BCM2835_DMA_H
+
+#include "qemu-common.h"
+#include "exec/address-spaces.h"
+#include "hw/sysbus.h"
+
+typedef struct {
+ uint32_t cs;
+ uint32_t conblk_ad;
+ uint32_t ti;
+ uint32_t source_ad;
+ uint32_t dest_ad;
+ uint32_t txfr_len;
+ uint32_t stride;
+ uint32_t nextconbk;
+ uint32_t debug;
+
+ qemu_irq irq;
+} BCM2835DMAChan;
+
+#define TYPE_BCM2835_DMA "bcm2835-dma"
+#define BCM2835_DMA(obj) \
+ OBJECT_CHECK(BCM2835DMAState, (obj), TYPE_BCM2835_DMA)
+
+#define BCM2835_DMA_NCHANS 16
+
+typedef struct {
+ /*< private >*/
+ SysBusDevice busdev;
+ /*< public >*/
+
+ MemoryRegion iomem0, iomem15;
+ MemoryRegion *dma_mr;
+ AddressSpace dma_as;
+
+ BCM2835DMAChan chan[BCM2835_DMA_NCHANS];
+ uint32_t int_status;
+ uint32_t enable;
+} BCM2835DMAState;
+
+#endif