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 #include "qom/object.h" 30 31 #define TYPE_MSS_EMAC "msf2-emac" 32 OBJECT_DECLARE_SIMPLE_TYPE(MSF2EmacState, MSS_EMAC) 33 34 #define R_MAX (0x1a0 / 4) 35 #define PHY_MAX_REGS 32 36 37 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 }; 54