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PCI: imx6: Add IMX8MM_EP and IMX8MP_EP fixed 256-byte BAR 4 in epc_features

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[ Upstream commit 399444a87acdea5d21c218bc8e9b621fea1cd218 ]

For IMX8MM_EP and IMX8MP_EP, add fixed 256-byte BAR 4 and reserved BAR 5
in imx8m_pcie_epc_features.

Fixes: 75c2f26da0 ("PCI: imx6: Add i.MX PCIe EP mode support")
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
[bhelgaas: add details in subject]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250708091003.2582846-3-hongxing.zhu@nxp.com
[ Adapted BAR configuration to use reserved_bar bitmap and bar_fixed_size ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Richard Zhu
2025-08-22 16:27:13 -04:00
committed by Greg Kroah-Hartman
parent d0252e69b9
commit 0c3333f7bf
1 changed files with 4 additions and 1 deletions
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5
drivers/pci/controller/dwc/pci-imx6.c
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@@ -1043,7 +1043,10 @@ static const struct pci_epc_features imx8m_pcie_epc_features = {
.linkup_notifier = false,
.msi_capable = true,
.msix_capable = false,
.reserved_bar = 1 << BAR_1 | 1 << BAR_3,
.reserved_bar = 1 << BAR_1 | 1 << BAR_3 | 1 << BAR_5,
.bar_fixed_size = {
[BAR_4] = SZ_256,
},
.align = SZ_64K,
};