diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/arm/bcm2835_peripherals.h | 2 | ||||
| -rw-r--r-- | include/hw/dma/bcm2835_dma.h | 47 |
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 |