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hw/arm/fsl-imx8mp: Add PCIe support

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Linux checks for the PLLs in the PHY to be locked, so implement a model
emulating that.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-9-shentey@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Bernhard Beschow 2025-02-23 12:46:58 +01:00 • committed by Peter Maydell
parent a81193c3e9
commit fd1deb5301
9 changed files with 176 additions and 0 deletions
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28
include/hw/pci-host/fsl_imx8m_phy.h Normal file
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/*
* i.MX8 PCIe PHY emulation
*
* Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef HW_PCIHOST_FSLIMX8MPCIEPHY_H
#define HW_PCIHOST_FSLIMX8MPCIEPHY_H
#include "hw/sysbus.h"
#include "qom/object.h"
#include "exec/memory.h"
#define TYPE_FSL_IMX8M_PCIE_PHY "fsl-imx8m-pcie-phy"
OBJECT_DECLARE_SIMPLE_TYPE(FslImx8mPciePhyState, FSL_IMX8M_PCIE_PHY)
#define FSL_IMX8M_PCIE_PHY_DATA_SIZE 0x800
struct FslImx8mPciePhyState {
SysBusDevice parent_obj;
MemoryRegion iomem;
uint8_t data[FSL_IMX8M_PCIE_PHY_DATA_SIZE];
};
#endif