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xilinx_axi*: Re-implemented interconnect
Re-implemented the interconnect between the Xilinx AXI ethernet and DMA controllers. A QOM interface "stream" is created, for the two stream interfaces. As per Edgars request, this is designed to be more generic than AXI-stream, so in the future we may see more clients of this interface beyond AXI stream. This is based primarily on Paolos original refactoring of the interconnect. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter A.G. Crosthwaite <peter.crosthwaite@petalogix.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
parent
346fe0c4c0
commit
669b498301
@ -65,6 +65,7 @@ hw-obj-$(CONFIG_XILINX) += xilinx_timer.o
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hw-obj-$(CONFIG_XILINX) += xilinx_uartlite.o
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hw-obj-$(CONFIG_XILINX) += xilinx_uartlite.o
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hw-obj-$(CONFIG_XILINX_AXI) += xilinx_axidma.o
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hw-obj-$(CONFIG_XILINX_AXI) += xilinx_axidma.o
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hw-obj-$(CONFIG_XILINX_AXI) += xilinx_axienet.o
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hw-obj-$(CONFIG_XILINX_AXI) += xilinx_axienet.o
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hw-obj-$(CONFIG_XILINX_AXI) += stream.o
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# PKUnity SoC devices
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# PKUnity SoC devices
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hw-obj-$(CONFIG_PUV3) += puv3_intc.o
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hw-obj-$(CONFIG_PUV3) += puv3_intc.o
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@ -39,7 +39,8 @@
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#include "microblaze_boot.h"
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#include "microblaze_boot.h"
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#include "microblaze_pic_cpu.h"
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#include "microblaze_pic_cpu.h"
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#include "xilinx_axidma.h"
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#include "stream.h"
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#define LMB_BRAM_SIZE (128 * 1024)
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#define LMB_BRAM_SIZE (128 * 1024)
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#define FLASH_SIZE (32 * 1024 * 1024)
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#define FLASH_SIZE (32 * 1024 * 1024)
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@ -76,7 +77,7 @@ petalogix_ml605_init(ram_addr_t ram_size,
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const char *initrd_filename, const char *cpu_model)
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const char *initrd_filename, const char *cpu_model)
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{
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{
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MemoryRegion *address_space_mem = get_system_memory();
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MemoryRegion *address_space_mem = get_system_memory();
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DeviceState *dev;
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DeviceState *dev, *dma, *eth0;
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MicroBlazeCPU *cpu;
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MicroBlazeCPU *cpu;
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CPUMBState *env;
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CPUMBState *env;
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DriveInfo *dinfo;
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DriveInfo *dinfo;
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@ -125,15 +126,18 @@ petalogix_ml605_init(ram_addr_t ram_size,
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/* 2 timers at irq 2 @ 100 Mhz. */
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/* 2 timers at irq 2 @ 100 Mhz. */
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xilinx_timer_create(TIMER_BASEADDR, irq[2], 0, 100 * 1000000);
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xilinx_timer_create(TIMER_BASEADDR, irq[2], 0, 100 * 1000000);
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/* axi ethernet and dma initialization. TODO: Dynamically connect them. */
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/* axi ethernet and dma initialization. */
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{
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dma = qdev_create(NULL, "xlnx.axi-dma");
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static struct XilinxDMAConnection dmach;
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xilinx_axiethernet_create(&dmach, &nd_table[0], 0x82780000,
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/* FIXME: attach to the sysbus instead */
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irq[3], 0x1000, 0x1000);
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object_property_add_child(container_get(qdev_get_machine(), "/unattached"),
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xilinx_axiethernetdma_create(&dmach, 0x84600000,
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"xilinx-dma", OBJECT(dma), NULL);
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irq[1], irq[0], 100 * 1000000);
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}
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eth0 = xilinx_axiethernet_create(&nd_table[0], STREAM_SLAVE(dma),
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0x82780000, irq[3], 0x1000, 0x1000);
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xilinx_axiethernetdma_init(dma, STREAM_SLAVE(eth0),
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0x84600000, irq[1], irq[0], 100 * 1000000);
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microblaze_load_kernel(cpu, ddr_base, ram_size, BINARY_DEVICE_TREE_FILE,
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microblaze_load_kernel(cpu, ddr_base, ram_size, BINARY_DEVICE_TREE_FILE,
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machine_cpu_reset);
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machine_cpu_reset);
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23
hw/stream.c
Normal file
23
hw/stream.c
Normal file
@ -0,0 +1,23 @@
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#include "stream.h"
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void
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stream_push(StreamSlave *sink, uint8_t *buf, size_t len, uint32_t *app)
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{
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StreamSlaveClass *k = STREAM_SLAVE_GET_CLASS(sink);
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k->push(sink, buf, len, app);
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}
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static TypeInfo stream_slave_info = {
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.name = TYPE_STREAM_SLAVE,
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.parent = TYPE_INTERFACE,
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.class_size = sizeof(StreamSlaveClass),
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};
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static void stream_slave_register_types(void)
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{
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type_register_static(&stream_slave_info);
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}
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type_init(stream_slave_register_types)
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31
hw/stream.h
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31
hw/stream.h
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@ -0,0 +1,31 @@
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#ifndef STREAM_H
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#define STREAM_H 1
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#include "qemu-common.h"
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#include "qemu/object.h"
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/* stream slave. Used until qdev provides a generic way. */
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#define TYPE_STREAM_SLAVE "stream-slave"
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#define STREAM_SLAVE_CLASS(klass) \
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OBJECT_CLASS_CHECK(StreamSlaveClass, (klass), TYPE_STREAM_SLAVE)
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#define STREAM_SLAVE_GET_CLASS(obj) \
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OBJECT_GET_CLASS(StreamSlaveClass, (obj), TYPE_STREAM_SLAVE)
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#define STREAM_SLAVE(obj) \
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INTERFACE_CHECK(StreamSlave, (obj), TYPE_STREAM_SLAVE)
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typedef struct StreamSlave {
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Object Parent;
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} StreamSlave;
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typedef struct StreamSlaveClass {
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InterfaceClass parent;
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void (*push)(StreamSlave *obj, unsigned char *buf, size_t len,
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uint32_t *app);
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} StreamSlaveClass;
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void
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stream_push(StreamSlave *sink, uint8_t *buf, size_t len, uint32_t *app);
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#endif /* STREAM_H */
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22
hw/xilinx.h
22
hw/xilinx.h
@ -1,3 +1,4 @@
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#include "stream.h"
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#include "qemu-common.h"
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#include "qemu-common.h"
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#include "net.h"
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#include "net.h"
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@ -49,8 +50,8 @@ xilinx_ethlite_create(NICInfo *nd, target_phys_addr_t base, qemu_irq irq,
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}
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}
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static inline DeviceState *
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static inline DeviceState *
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xilinx_axiethernet_create(void *dmach,
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xilinx_axiethernet_create(NICInfo *nd, StreamSlave *peer,
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NICInfo *nd, target_phys_addr_t base, qemu_irq irq,
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target_phys_addr_t base, qemu_irq irq,
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int txmem, int rxmem)
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int txmem, int rxmem)
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{
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{
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DeviceState *dev;
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DeviceState *dev;
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@ -60,7 +61,7 @@ xilinx_axiethernet_create(void *dmach,
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qdev_set_nic_properties(dev, nd);
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qdev_set_nic_properties(dev, nd);
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qdev_prop_set_uint32(dev, "rxmem", rxmem);
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qdev_prop_set_uint32(dev, "rxmem", rxmem);
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qdev_prop_set_uint32(dev, "txmem", txmem);
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qdev_prop_set_uint32(dev, "txmem", txmem);
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qdev_prop_set_ptr(dev, "dmach", dmach);
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object_property_set_link(OBJECT(dev), OBJECT(peer), "tx_dev", NULL);
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qdev_init_nofail(dev);
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qdev_init_nofail(dev);
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sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
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sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
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sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq);
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sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq);
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@ -68,21 +69,16 @@ xilinx_axiethernet_create(void *dmach,
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return dev;
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return dev;
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}
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}
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static inline DeviceState *
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static inline void
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xilinx_axiethernetdma_create(void *dmach,
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xilinx_axiethernetdma_init(DeviceState *dev, StreamSlave *peer,
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target_phys_addr_t base, qemu_irq irq,
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target_phys_addr_t base, qemu_irq irq,
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qemu_irq irq2, int freqhz)
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qemu_irq irq2, int freqhz)
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{
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{
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DeviceState *dev = NULL;
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dev = qdev_create(NULL, "xlnx.axi-dma");
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qdev_prop_set_uint32(dev, "freqhz", freqhz);
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qdev_prop_set_uint32(dev, "freqhz", freqhz);
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qdev_prop_set_ptr(dev, "dmach", dmach);
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object_property_set_link(OBJECT(dev), OBJECT(peer), "tx_dev", NULL);
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qdev_init_nofail(dev);
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qdev_init_nofail(dev);
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sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
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sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
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sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq);
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sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq);
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sysbus_connect_irq(sysbus_from_qdev(dev), 1, irq2);
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sysbus_connect_irq(sysbus_from_qdev(dev), 1, irq2);
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return dev;
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}
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}
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@ -29,7 +29,7 @@
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#include "qemu-log.h"
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#include "qemu-log.h"
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#include "qdev-addr.h"
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#include "qdev-addr.h"
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#include "xilinx_axidma.h"
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#include "stream.h"
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#define D(x)
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#define D(x)
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@ -77,7 +77,7 @@ enum {
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SDESC_STATUS_COMPLETE = (1 << 31)
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SDESC_STATUS_COMPLETE = (1 << 31)
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};
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};
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struct AXIStream {
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struct Stream {
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QEMUBH *bh;
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QEMUBH *bh;
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ptimer_state *ptimer;
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ptimer_state *ptimer;
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qemu_irq irq;
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qemu_irq irq;
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@ -94,9 +94,9 @@ struct XilinxAXIDMA {
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SysBusDevice busdev;
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SysBusDevice busdev;
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MemoryRegion iomem;
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MemoryRegion iomem;
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uint32_t freqhz;
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uint32_t freqhz;
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void *dmach;
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StreamSlave *tx_dev;
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struct AXIStream streams[2];
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struct Stream streams[2];
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};
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};
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/*
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/*
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@ -113,27 +113,27 @@ static inline int stream_desc_eof(struct SDesc *d)
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return d->control & SDESC_CTRL_EOF;
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return d->control & SDESC_CTRL_EOF;
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}
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}
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static inline int stream_resetting(struct AXIStream *s)
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static inline int stream_resetting(struct Stream *s)
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{
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{
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return !!(s->regs[R_DMACR] & DMACR_RESET);
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return !!(s->regs[R_DMACR] & DMACR_RESET);
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}
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}
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static inline int stream_running(struct AXIStream *s)
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static inline int stream_running(struct Stream *s)
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{
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{
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return s->regs[R_DMACR] & DMACR_RUNSTOP;
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return s->regs[R_DMACR] & DMACR_RUNSTOP;
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}
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}
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static inline int stream_halted(struct AXIStream *s)
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static inline int stream_halted(struct Stream *s)
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{
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{
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return s->regs[R_DMASR] & DMASR_HALTED;
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return s->regs[R_DMASR] & DMASR_HALTED;
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}
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}
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static inline int stream_idle(struct AXIStream *s)
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static inline int stream_idle(struct Stream *s)
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{
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{
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return !!(s->regs[R_DMASR] & DMASR_IDLE);
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return !!(s->regs[R_DMASR] & DMASR_IDLE);
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}
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}
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static void stream_reset(struct AXIStream *s)
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static void stream_reset(struct Stream *s)
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{
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{
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s->regs[R_DMASR] = DMASR_HALTED; /* starts up halted. */
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s->regs[R_DMASR] = DMASR_HALTED; /* starts up halted. */
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s->regs[R_DMACR] = 1 << 16; /* Starts with one in compl threshold. */
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s->regs[R_DMACR] = 1 << 16; /* Starts with one in compl threshold. */
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@ -159,7 +159,7 @@ static void stream_desc_show(struct SDesc *d)
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}
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}
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#endif
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#endif
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static void stream_desc_load(struct AXIStream *s, target_phys_addr_t addr)
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static void stream_desc_load(struct Stream *s, target_phys_addr_t addr)
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{
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{
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struct SDesc *d = &s->desc;
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struct SDesc *d = &s->desc;
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int i;
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int i;
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@ -176,7 +176,7 @@ static void stream_desc_load(struct AXIStream *s, target_phys_addr_t addr)
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}
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}
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}
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}
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static void stream_desc_store(struct AXIStream *s, target_phys_addr_t addr)
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static void stream_desc_store(struct Stream *s, target_phys_addr_t addr)
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{
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{
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struct SDesc *d = &s->desc;
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struct SDesc *d = &s->desc;
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int i;
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int i;
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@ -192,7 +192,7 @@ static void stream_desc_store(struct AXIStream *s, target_phys_addr_t addr)
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cpu_physical_memory_write(addr, (void *) d, sizeof *d);
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cpu_physical_memory_write(addr, (void *) d, sizeof *d);
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}
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}
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static void stream_update_irq(struct AXIStream *s)
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static void stream_update_irq(struct Stream *s)
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{
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{
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unsigned int pending, mask, irq;
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unsigned int pending, mask, irq;
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@ -204,7 +204,7 @@ static void stream_update_irq(struct AXIStream *s)
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qemu_set_irq(s->irq, !!irq);
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qemu_set_irq(s->irq, !!irq);
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}
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}
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static void stream_reload_complete_cnt(struct AXIStream *s)
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static void stream_reload_complete_cnt(struct Stream *s)
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{
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{
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unsigned int comp_th;
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unsigned int comp_th;
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comp_th = (s->regs[R_DMACR] >> 16) & 0xff;
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comp_th = (s->regs[R_DMACR] >> 16) & 0xff;
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@ -213,14 +213,14 @@ static void stream_reload_complete_cnt(struct AXIStream *s)
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static void timer_hit(void *opaque)
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static void timer_hit(void *opaque)
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{
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{
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struct AXIStream *s = opaque;
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struct Stream *s = opaque;
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stream_reload_complete_cnt(s);
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stream_reload_complete_cnt(s);
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s->regs[R_DMASR] |= DMASR_DLY_IRQ;
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s->regs[R_DMASR] |= DMASR_DLY_IRQ;
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stream_update_irq(s);
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stream_update_irq(s);
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}
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}
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static void stream_complete(struct AXIStream *s)
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static void stream_complete(struct Stream *s)
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{
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{
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unsigned int comp_delay;
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unsigned int comp_delay;
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@ -240,8 +240,8 @@ static void stream_complete(struct AXIStream *s)
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}
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}
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}
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}
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static void stream_process_mem2s(struct AXIStream *s,
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static void stream_process_mem2s(struct Stream *s,
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struct XilinxDMAConnection *dmach)
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StreamSlave *tx_dev)
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{
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{
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uint32_t prev_d;
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uint32_t prev_d;
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unsigned char txbuf[16 * 1024];
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unsigned char txbuf[16 * 1024];
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@ -276,7 +276,7 @@ static void stream_process_mem2s(struct AXIStream *s,
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s->pos += txlen;
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s->pos += txlen;
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if (stream_desc_eof(&s->desc)) {
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if (stream_desc_eof(&s->desc)) {
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xlx_dma_push_to_client(dmach, txbuf, s->pos, app);
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stream_push(tx_dev, txbuf, s->pos, app);
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s->pos = 0;
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s->pos = 0;
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stream_complete(s);
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stream_complete(s);
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}
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}
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@ -295,7 +295,7 @@ static void stream_process_mem2s(struct AXIStream *s,
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}
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}
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}
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}
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static void stream_process_s2mem(struct AXIStream *s,
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static void stream_process_s2mem(struct Stream *s,
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unsigned char *buf, size_t len, uint32_t *app)
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unsigned char *buf, size_t len, uint32_t *app)
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{
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{
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uint32_t prev_d;
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uint32_t prev_d;
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@ -351,11 +351,11 @@ static void stream_process_s2mem(struct AXIStream *s,
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}
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}
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}
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}
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static
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static void
|
||||||
void axidma_push(void *opaque, unsigned char *buf, size_t len, uint32_t *app)
|
axidma_push(StreamSlave *obj, unsigned char *buf, size_t len, uint32_t *app)
|
||||||
{
|
{
|
||||||
struct XilinxAXIDMA *d = opaque;
|
struct XilinxAXIDMA *d = FROM_SYSBUS(typeof(*d), SYS_BUS_DEVICE(obj));
|
||||||
struct AXIStream *s = &d->streams[1];
|
struct Stream *s = &d->streams[1];
|
||||||
|
|
||||||
if (!app) {
|
if (!app) {
|
||||||
hw_error("No stream app data!\n");
|
hw_error("No stream app data!\n");
|
||||||
@ -368,7 +368,7 @@ static uint64_t axidma_read(void *opaque, target_phys_addr_t addr,
|
|||||||
unsigned size)
|
unsigned size)
|
||||||
{
|
{
|
||||||
struct XilinxAXIDMA *d = opaque;
|
struct XilinxAXIDMA *d = opaque;
|
||||||
struct AXIStream *s;
|
struct Stream *s;
|
||||||
uint32_t r = 0;
|
uint32_t r = 0;
|
||||||
int sid;
|
int sid;
|
||||||
|
|
||||||
@ -403,7 +403,7 @@ static void axidma_write(void *opaque, target_phys_addr_t addr,
|
|||||||
uint64_t value, unsigned size)
|
uint64_t value, unsigned size)
|
||||||
{
|
{
|
||||||
struct XilinxAXIDMA *d = opaque;
|
struct XilinxAXIDMA *d = opaque;
|
||||||
struct AXIStream *s;
|
struct Stream *s;
|
||||||
int sid;
|
int sid;
|
||||||
|
|
||||||
sid = streamid_from_addr(addr);
|
sid = streamid_from_addr(addr);
|
||||||
@ -440,7 +440,7 @@ static void axidma_write(void *opaque, target_phys_addr_t addr,
|
|||||||
s->regs[addr] = value;
|
s->regs[addr] = value;
|
||||||
s->regs[R_DMASR] &= ~DMASR_IDLE; /* Not idle. */
|
s->regs[R_DMASR] &= ~DMASR_IDLE; /* Not idle. */
|
||||||
if (!sid) {
|
if (!sid) {
|
||||||
stream_process_mem2s(s, d->dmach);
|
stream_process_mem2s(s, d->tx_dev);
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
@ -466,12 +466,6 @@ static int xilinx_axidma_init(SysBusDevice *dev)
|
|||||||
sysbus_init_irq(dev, &s->streams[0].irq);
|
sysbus_init_irq(dev, &s->streams[0].irq);
|
||||||
sysbus_init_irq(dev, &s->streams[1].irq);
|
sysbus_init_irq(dev, &s->streams[1].irq);
|
||||||
|
|
||||||
if (!s->dmach) {
|
|
||||||
hw_error("Unconnected DMA channel.\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
xlx_dma_connect_dma(s->dmach, s, axidma_push);
|
|
||||||
|
|
||||||
memory_region_init_io(&s->iomem, &axidma_ops, s,
|
memory_region_init_io(&s->iomem, &axidma_ops, s,
|
||||||
"xlnx.axi-dma", R_MAX * 4 * 2);
|
"xlnx.axi-dma", R_MAX * 4 * 2);
|
||||||
sysbus_init_mmio(dev, &s->iomem);
|
sysbus_init_mmio(dev, &s->iomem);
|
||||||
@ -486,9 +480,16 @@ static int xilinx_axidma_init(SysBusDevice *dev)
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void xilinx_axidma_initfn(Object *obj)
|
||||||
|
{
|
||||||
|
struct XilinxAXIDMA *s = FROM_SYSBUS(typeof(*s), SYS_BUS_DEVICE(obj));
|
||||||
|
|
||||||
|
object_property_add_link(obj, "axistream-connected", TYPE_STREAM_SLAVE,
|
||||||
|
(Object **) &s->tx_dev, NULL);
|
||||||
|
}
|
||||||
|
|
||||||
static Property axidma_properties[] = {
|
static Property axidma_properties[] = {
|
||||||
DEFINE_PROP_UINT32("freqhz", struct XilinxAXIDMA, freqhz, 50000000),
|
DEFINE_PROP_UINT32("freqhz", struct XilinxAXIDMA, freqhz, 50000000),
|
||||||
DEFINE_PROP_PTR("dmach", struct XilinxAXIDMA, dmach),
|
|
||||||
DEFINE_PROP_END_OF_LIST(),
|
DEFINE_PROP_END_OF_LIST(),
|
||||||
};
|
};
|
||||||
|
|
||||||
@ -496,9 +497,11 @@ static void axidma_class_init(ObjectClass *klass, void *data)
|
|||||||
{
|
{
|
||||||
DeviceClass *dc = DEVICE_CLASS(klass);
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
||||||
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
|
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
|
||||||
|
StreamSlaveClass *ssc = STREAM_SLAVE_CLASS(klass);
|
||||||
|
|
||||||
k->init = xilinx_axidma_init;
|
k->init = xilinx_axidma_init;
|
||||||
dc->props = axidma_properties;
|
dc->props = axidma_properties;
|
||||||
|
ssc->push = axidma_push;
|
||||||
}
|
}
|
||||||
|
|
||||||
static TypeInfo axidma_info = {
|
static TypeInfo axidma_info = {
|
||||||
@ -506,6 +509,11 @@ static TypeInfo axidma_info = {
|
|||||||
.parent = TYPE_SYS_BUS_DEVICE,
|
.parent = TYPE_SYS_BUS_DEVICE,
|
||||||
.instance_size = sizeof(struct XilinxAXIDMA),
|
.instance_size = sizeof(struct XilinxAXIDMA),
|
||||||
.class_init = axidma_class_init,
|
.class_init = axidma_class_init,
|
||||||
|
.instance_init = xilinx_axidma_initfn,
|
||||||
|
.interfaces = (InterfaceInfo[]) {
|
||||||
|
{ TYPE_STREAM_SLAVE },
|
||||||
|
{ }
|
||||||
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
static void xilinx_axidma_register_types(void)
|
static void xilinx_axidma_register_types(void)
|
||||||
|
@ -1,39 +0,0 @@
|
|||||||
/* AXI DMA connection. Used until qdev provides a generic way. */
|
|
||||||
typedef void (*DMAPushFn)(void *opaque,
|
|
||||||
unsigned char *buf, size_t len, uint32_t *app);
|
|
||||||
|
|
||||||
struct XilinxDMAConnection {
|
|
||||||
void *dma;
|
|
||||||
void *client;
|
|
||||||
|
|
||||||
DMAPushFn to_dma;
|
|
||||||
DMAPushFn to_client;
|
|
||||||
};
|
|
||||||
|
|
||||||
static inline void xlx_dma_connect_client(struct XilinxDMAConnection *dmach,
|
|
||||||
void *c, DMAPushFn f)
|
|
||||||
{
|
|
||||||
dmach->client = c;
|
|
||||||
dmach->to_client = f;
|
|
||||||
}
|
|
||||||
|
|
||||||
static inline void xlx_dma_connect_dma(struct XilinxDMAConnection *dmach,
|
|
||||||
void *d, DMAPushFn f)
|
|
||||||
{
|
|
||||||
dmach->dma = d;
|
|
||||||
dmach->to_dma = f;
|
|
||||||
}
|
|
||||||
|
|
||||||
static inline
|
|
||||||
void xlx_dma_push_to_dma(struct XilinxDMAConnection *dmach,
|
|
||||||
uint8_t *buf, size_t len, uint32_t *app)
|
|
||||||
{
|
|
||||||
dmach->to_dma(dmach->dma, buf, len, app);
|
|
||||||
}
|
|
||||||
static inline
|
|
||||||
void xlx_dma_push_to_client(struct XilinxDMAConnection *dmach,
|
|
||||||
uint8_t *buf, size_t len, uint32_t *app)
|
|
||||||
{
|
|
||||||
dmach->to_client(dmach->client, buf, len, app);
|
|
||||||
}
|
|
||||||
|
|
@ -28,7 +28,7 @@
|
|||||||
#include "net.h"
|
#include "net.h"
|
||||||
#include "net/checksum.h"
|
#include "net/checksum.h"
|
||||||
|
|
||||||
#include "xilinx_axidma.h"
|
#include "stream.h"
|
||||||
|
|
||||||
#define DPHY(x)
|
#define DPHY(x)
|
||||||
|
|
||||||
@ -310,7 +310,7 @@ struct XilinxAXIEnet {
|
|||||||
SysBusDevice busdev;
|
SysBusDevice busdev;
|
||||||
MemoryRegion iomem;
|
MemoryRegion iomem;
|
||||||
qemu_irq irq;
|
qemu_irq irq;
|
||||||
void *dmach;
|
StreamSlave *tx_dev;
|
||||||
NICState *nic;
|
NICState *nic;
|
||||||
NICConf conf;
|
NICConf conf;
|
||||||
|
|
||||||
@ -772,7 +772,7 @@ static ssize_t eth_rx(NetClientState *nc, const uint8_t *buf, size_t size)
|
|||||||
/* Good frame. */
|
/* Good frame. */
|
||||||
app[2] |= 1 << 6;
|
app[2] |= 1 << 6;
|
||||||
|
|
||||||
xlx_dma_push_to_dma(s->dmach, (void *)s->rxmem, size, app);
|
stream_push(s->tx_dev, (void *)s->rxmem, size, app);
|
||||||
|
|
||||||
s->regs[R_IS] |= IS_RX_COMPLETE;
|
s->regs[R_IS] |= IS_RX_COMPLETE;
|
||||||
enet_update_irq(s);
|
enet_update_irq(s);
|
||||||
@ -788,9 +788,9 @@ static void eth_cleanup(NetClientState *nc)
|
|||||||
}
|
}
|
||||||
|
|
||||||
static void
|
static void
|
||||||
axienet_stream_push(void *opaque, uint8_t *buf, size_t size, uint32_t *hdr)
|
axienet_stream_push(StreamSlave *obj, uint8_t *buf, size_t size, uint32_t *hdr)
|
||||||
{
|
{
|
||||||
struct XilinxAXIEnet *s = opaque;
|
struct XilinxAXIEnet *s = FROM_SYSBUS(typeof(*s), SYS_BUS_DEVICE(obj));
|
||||||
|
|
||||||
/* TX enable ? */
|
/* TX enable ? */
|
||||||
if (!(s->tc & TC_TX)) {
|
if (!(s->tc & TC_TX)) {
|
||||||
@ -844,12 +844,6 @@ static int xilinx_enet_init(SysBusDevice *dev)
|
|||||||
|
|
||||||
sysbus_init_irq(dev, &s->irq);
|
sysbus_init_irq(dev, &s->irq);
|
||||||
|
|
||||||
if (!s->dmach) {
|
|
||||||
hw_error("Unconnected Xilinx Ethernet MAC.\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
xlx_dma_connect_client(s->dmach, s, axienet_stream_push);
|
|
||||||
|
|
||||||
memory_region_init_io(&s->iomem, &enet_ops, s, "enet", 0x40000);
|
memory_region_init_io(&s->iomem, &enet_ops, s, "enet", 0x40000);
|
||||||
sysbus_init_mmio(dev, &s->iomem);
|
sysbus_init_mmio(dev, &s->iomem);
|
||||||
|
|
||||||
@ -869,11 +863,18 @@ static int xilinx_enet_init(SysBusDevice *dev)
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void xilinx_enet_initfn(Object *obj)
|
||||||
|
{
|
||||||
|
struct XilinxAXIEnet *s = FROM_SYSBUS(typeof(*s), SYS_BUS_DEVICE(obj));
|
||||||
|
|
||||||
|
object_property_add_link(obj, "axistream-connected", TYPE_STREAM_SLAVE,
|
||||||
|
(Object **) &s->tx_dev, NULL);
|
||||||
|
}
|
||||||
|
|
||||||
static Property xilinx_enet_properties[] = {
|
static Property xilinx_enet_properties[] = {
|
||||||
DEFINE_PROP_UINT32("phyaddr", struct XilinxAXIEnet, c_phyaddr, 7),
|
DEFINE_PROP_UINT32("phyaddr", struct XilinxAXIEnet, c_phyaddr, 7),
|
||||||
DEFINE_PROP_UINT32("rxmem", struct XilinxAXIEnet, c_rxmem, 0x1000),
|
DEFINE_PROP_UINT32("rxmem", struct XilinxAXIEnet, c_rxmem, 0x1000),
|
||||||
DEFINE_PROP_UINT32("txmem", struct XilinxAXIEnet, c_txmem, 0x1000),
|
DEFINE_PROP_UINT32("txmem", struct XilinxAXIEnet, c_txmem, 0x1000),
|
||||||
DEFINE_PROP_PTR("dmach", struct XilinxAXIEnet, dmach),
|
|
||||||
DEFINE_NIC_PROPERTIES(struct XilinxAXIEnet, conf),
|
DEFINE_NIC_PROPERTIES(struct XilinxAXIEnet, conf),
|
||||||
DEFINE_PROP_END_OF_LIST(),
|
DEFINE_PROP_END_OF_LIST(),
|
||||||
};
|
};
|
||||||
@ -882,9 +883,11 @@ static void xilinx_enet_class_init(ObjectClass *klass, void *data)
|
|||||||
{
|
{
|
||||||
DeviceClass *dc = DEVICE_CLASS(klass);
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
||||||
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
|
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
|
||||||
|
StreamSlaveClass *ssc = STREAM_SLAVE_CLASS(klass);
|
||||||
|
|
||||||
k->init = xilinx_enet_init;
|
k->init = xilinx_enet_init;
|
||||||
dc->props = xilinx_enet_properties;
|
dc->props = xilinx_enet_properties;
|
||||||
|
ssc->push = axienet_stream_push;
|
||||||
}
|
}
|
||||||
|
|
||||||
static TypeInfo xilinx_enet_info = {
|
static TypeInfo xilinx_enet_info = {
|
||||||
@ -892,6 +895,11 @@ static TypeInfo xilinx_enet_info = {
|
|||||||
.parent = TYPE_SYS_BUS_DEVICE,
|
.parent = TYPE_SYS_BUS_DEVICE,
|
||||||
.instance_size = sizeof(struct XilinxAXIEnet),
|
.instance_size = sizeof(struct XilinxAXIEnet),
|
||||||
.class_init = xilinx_enet_class_init,
|
.class_init = xilinx_enet_class_init,
|
||||||
|
.instance_init = xilinx_enet_initfn,
|
||||||
|
.interfaces = (InterfaceInfo[]) {
|
||||||
|
{ TYPE_STREAM_SLAVE },
|
||||||
|
{ }
|
||||||
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
static void xilinx_enet_register_types(void)
|
static void xilinx_enet_register_types(void)
|
||||||
|
Loading…
Reference in New Issue
Block a user