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1c66437879
Modelled Ethernet MAC of Smartfusion2 SoC. Micrel KSZ8051 PHY is present on Emcraft's SOM kit hence same PHY is emulated. Signed-off-by: Subbaraya Sundeep <sundeep.lkml@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 1587048891-30493-2-git-send-email-sundeep.lkml@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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* QEMU model of the Smartfusion2 Ethernet MAC.
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*
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* Copyright (c) 2020 Subbaraya Sundeep <sundeep.lkml@gmail.com>.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw/sysbus.h"
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#include "exec/memory.h"
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#include "net/net.h"
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#include "net/eth.h"
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#define TYPE_MSS_EMAC "msf2-emac"
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#define MSS_EMAC(obj) \
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OBJECT_CHECK(MSF2EmacState, (obj), TYPE_MSS_EMAC)
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#define R_MAX (0x1a0 / 4)
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#define PHY_MAX_REGS 32
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typedef struct MSF2EmacState {
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SysBusDevice parent;
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MemoryRegion mmio;
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MemoryRegion *dma_mr;
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AddressSpace dma_as;
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qemu_irq irq;
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NICState *nic;
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NICConf conf;
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uint8_t mac_addr[ETH_ALEN];
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uint32_t rx_desc;
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uint16_t phy_regs[PHY_MAX_REGS];
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uint32_t regs[R_MAX];
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} MSF2EmacState;
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