include/hw/net/msf2-emac.h

   1 /*
   2  * QEMU model of the Smartfusion2 Ethernet MAC.
   3  *
   4  * Copyright (c) 2020 Subbaraya Sundeep <sundeep.lkml@gmail.com>.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #include "hw/sysbus.h"
  26 #include "exec/memory.h"
  27 #include "net/net.h"
  28 #include "net/eth.h"
  29
  30 #define TYPE_MSS_EMAC "msf2-emac"
  31 #define MSS_EMAC(obj) \
  32     OBJECT_CHECK(MSF2EmacState, (obj), TYPE_MSS_EMAC)
  33
  34 #define R_MAX         (0x1a0 / 4)
  35 #define PHY_MAX_REGS  32
  36
  37 typedef struct MSF2EmacState {
  38     SysBusDevice parent;
  39
  40     MemoryRegion mmio;
  41     MemoryRegion *dma_mr;
  42     AddressSpace dma_as;
  43
  44     qemu_irq irq;
  45     NICState *nic;
  46     NICConf conf;
  47
  48     uint8_t mac_addr[ETH_ALEN];
  49     uint32_t rx_desc;
  50     uint16_t phy_regs[PHY_MAX_REGS];
  51
  52     uint32_t regs[R_MAX];
  53 } MSF2EmacState;