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| author | Bernhard Beschow <shentey@gmail.com> | 2025-02-23 12:46:58 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2025-02-25 17:02:34 +0000 |
| commit | fd1deb5301f89eb86c0eecadb670beb98aa74ac5 (patch) | |
| tree | 79694a9beeddbc659101d895f376a1ccd7e1f069 /include | |
| parent | a81193c3e9a8220862120d8d4114191f3899f4b3 (diff) | |
| download | qemu-fd1deb5301f89eb86c0eecadb670beb98aa74ac5.zip qemu-fd1deb5301f89eb86c0eecadb670beb98aa74ac5.tar.gz qemu-fd1deb5301f89eb86c0eecadb670beb98aa74ac5.tar.bz2 | |
hw/arm/fsl-imx8mp: Add PCIe support
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/arm/fsl-imx8mp.h | 10 | ||||
| -rw-r--r-- | include/hw/pci-host/fsl_imx8m_phy.h | 28 |
2 files changed, 38 insertions, 0 deletions
diff --git a/include/hw/arm/fsl-imx8mp.h b/include/hw/arm/fsl-imx8mp.h index 349d55c..4c70c88 100644 --- a/include/hw/arm/fsl-imx8mp.h +++ b/include/hw/arm/fsl-imx8mp.h @@ -15,6 +15,8 @@ #include "hw/misc/imx7_snvs.h" #include "hw/misc/imx8mp_analog.h" #include "hw/misc/imx8mp_ccm.h" +#include "hw/pci-host/designware.h" +#include "hw/pci-host/fsl_imx8m_phy.h" #include "hw/sd/sdhci.h" #include "qom/object.h" #include "qemu/units.h" @@ -42,6 +44,8 @@ struct FslImx8mpState { IMX7SNVSState snvs; IMXSerialState uart[FSL_IMX8MP_NUM_UARTS]; SDHCIState usdhc[FSL_IMX8MP_NUM_USDHCS]; + DesignwarePCIEHost pcie; + FslImx8mPciePhyState pcie_phy; }; enum FslImx8mpMemoryRegions { @@ -197,6 +201,12 @@ enum FslImx8mpIrqs { FSL_IMX8MP_UART4_IRQ = 29, FSL_IMX8MP_UART5_IRQ = 30, FSL_IMX8MP_UART6_IRQ = 16, + + FSL_IMX8MP_PCI_INTA_IRQ = 126, + FSL_IMX8MP_PCI_INTB_IRQ = 125, + FSL_IMX8MP_PCI_INTC_IRQ = 124, + FSL_IMX8MP_PCI_INTD_IRQ = 123, + FSL_IMX8MP_PCI_MSI_IRQ = 140, }; #endif /* FSL_IMX8MP_H */ diff --git a/include/hw/pci-host/fsl_imx8m_phy.h b/include/hw/pci-host/fsl_imx8m_phy.h new file mode 100644 index 0000000..4f4875b --- /dev/null +++ b/include/hw/pci-host/fsl_imx8m_phy.h @@ -0,0 +1,28 @@ +/* + * 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 |