diff options
Diffstat (limited to 'qemu/include/hw/cris')
| -rw-r--r-- | qemu/include/hw/cris/etraxfs.h | 49 | ||||
| -rw-r--r-- | qemu/include/hw/cris/etraxfs_dma.h | 34 |
2 files changed, 83 insertions, 0 deletions
diff --git a/qemu/include/hw/cris/etraxfs.h b/qemu/include/hw/cris/etraxfs.h new file mode 100644 index 000000000..73a6134c1 --- /dev/null +++ b/qemu/include/hw/cris/etraxfs.h @@ -0,0 +1,49 @@ +/* + * QEMU ETRAX System Emulator + * + * Copyright (c) 2008 Edgar E. Iglesias, Axis Communications AB. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef HW_EXTRAXFS_H +#define HW_EXTRAXFS_H 1 + +#include "net/net.h" +#include "hw/cris/etraxfs_dma.h" + +/* Instantiate an ETRAXFS Ethernet MAC. */ +static inline DeviceState * +etraxfs_eth_init(NICInfo *nd, hwaddr base, int phyaddr, + void *dma_out, void *dma_in) +{ + DeviceState *dev; + qemu_check_nic_model(nd, "fseth"); + + dev = qdev_create(NULL, "etraxfs-eth"); + qdev_set_nic_properties(dev, nd); + qdev_prop_set_uint32(dev, "phyaddr", phyaddr); + qdev_prop_set_ptr(dev, "dma_out", dma_out); + qdev_prop_set_ptr(dev, "dma_in", dma_in); + qdev_init_nofail(dev); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base); + return dev; +} + +#endif diff --git a/qemu/include/hw/cris/etraxfs_dma.h b/qemu/include/hw/cris/etraxfs_dma.h new file mode 100644 index 000000000..38104a67b --- /dev/null +++ b/qemu/include/hw/cris/etraxfs_dma.h @@ -0,0 +1,34 @@ +#ifndef HW_ETRAXFS_DMA_H +#define HW_ETRAXFS_DMA_H 1 + +struct dma_context_metadata { + /* data descriptor md */ + uint16_t metadata; +}; + +struct etraxfs_dma_client +{ + /* DMA controller. */ + int channel; + void *ctrl; + + /* client. */ + struct { + int (*push)(void *opaque, unsigned char *buf, + int len, bool eop); + void (*pull)(void *opaque); + void (*metadata_push)(void *opaque, + const struct dma_context_metadata *md); + void *opaque; + } client; +}; + +void *etraxfs_dmac_init(hwaddr base, int nr_channels); +void etraxfs_dmac_connect(void *opaque, int channel, qemu_irq *line, + int input); +void etraxfs_dmac_connect_client(void *opaque, int c, + struct etraxfs_dma_client *cl); +int etraxfs_dmac_input(struct etraxfs_dma_client *client, + void *buf, int len, int eop); + +#endif |