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6aa62ed6b8
Create a new SPARC32_DMA container object (including an appropriate container memory region) and add instances of the SPARC32_ESPDMA_DEVICE and SPARC32_LEDMA_DEVICE as child objects. The benefit is that most of the gpio wiring complexity between esp/espdma and lance/ledma is now hidden within the SPARC32_DMA realize function. Since the sun4m IOMMU is already QOMified we can find a reference to it using object_resolve_path_type() allowing us to completely remove all external references to the iommu pointer. Finally we rework sun4m's sparc32_dma_init() to invoke the new SPARC32_DMA object and wire up the remaining board memory regions/IRQs. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com> Acked-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
#ifndef SPARC32_DMA_H
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#define SPARC32_DMA_H
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#include "hw/sysbus.h"
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#include "hw/scsi/esp.h"
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#include "hw/net/lance.h"
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#define DMA_REGS 4
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#define TYPE_SPARC32_DMA_DEVICE "sparc32-dma-device"
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#define SPARC32_DMA_DEVICE(obj) OBJECT_CHECK(DMADeviceState, (obj), \
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TYPE_SPARC32_DMA_DEVICE)
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typedef struct DMADeviceState DMADeviceState;
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struct DMADeviceState {
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SysBusDevice parent_obj;
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MemoryRegion iomem;
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uint32_t dmaregs[DMA_REGS];
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qemu_irq irq;
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void *iommu;
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qemu_irq gpio[2];
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uint32_t is_ledma;
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};
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#define TYPE_SPARC32_ESPDMA_DEVICE "sparc32-espdma"
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#define SPARC32_ESPDMA_DEVICE(obj) OBJECT_CHECK(ESPDMADeviceState, (obj), \
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TYPE_SPARC32_ESPDMA_DEVICE)
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typedef struct ESPDMADeviceState {
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DMADeviceState parent_obj;
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SysBusESPState *esp;
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} ESPDMADeviceState;
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#define TYPE_SPARC32_LEDMA_DEVICE "sparc32-ledma"
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#define SPARC32_LEDMA_DEVICE(obj) OBJECT_CHECK(LEDMADeviceState, (obj), \
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TYPE_SPARC32_LEDMA_DEVICE)
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typedef struct LEDMADeviceState {
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DMADeviceState parent_obj;
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SysBusPCNetState *lance;
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} LEDMADeviceState;
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#define TYPE_SPARC32_DMA "sparc32-dma"
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#define SPARC32_DMA(obj) OBJECT_CHECK(SPARC32DMAState, (obj), \
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TYPE_SPARC32_DMA)
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typedef struct SPARC32DMAState {
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SysBusDevice parent_obj;
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MemoryRegion dmamem;
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ESPDMADeviceState *espdma;
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LEDMADeviceState *ledma;
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} SPARC32DMAState;
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/* sparc32_dma.c */
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void ledma_memory_read(void *opaque, hwaddr addr,
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uint8_t *buf, int len, int do_bswap);
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void ledma_memory_write(void *opaque, hwaddr addr,
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uint8_t *buf, int len, int do_bswap);
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void espdma_memory_read(void *opaque, uint8_t *buf, int len);
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void espdma_memory_write(void *opaque, uint8_t *buf, int len);
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#endif
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