3d46938bbb
Add BCM2835 SOC MPHI (Message-based Parallel Host Interface) emulation. It is very basic, only providing the FIQ interrupt needed to allow the dwc-otg USB host controller driver in the Raspbian kernel to function. Signed-off-by: Paul Zimmerman <pauldzim@gmail.com> Acked-by: Philippe Mathieu-Daude <f4bug@amsat.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20200520235349.21215-2-pauldzim@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* BCM2835 SOC MPHI state definitions
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*
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* Copyright (c) 2020 Paul Zimmerman <pauldzim@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef HW_MISC_BCM2835_MPHI_H
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#define HW_MISC_BCM2835_MPHI_H
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#include "hw/irq.h"
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#include "hw/sysbus.h"
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#define MPHI_MMIO_SIZE 0x1000
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typedef struct BCM2835MphiState BCM2835MphiState;
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struct BCM2835MphiState {
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SysBusDevice parent_obj;
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qemu_irq irq;
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MemoryRegion iomem;
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uint32_t outdda;
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uint32_t outddb;
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uint32_t ctrl;
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uint32_t intstat;
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uint32_t swirq;
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};
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#define TYPE_BCM2835_MPHI "bcm2835-mphi"
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#define BCM2835_MPHI(obj) \
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OBJECT_CHECK(BCM2835MphiState, (obj), TYPE_BCM2835_MPHI)
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#endif
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