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PCI: qcom-ep: Mark BAR0/BAR2 as 64bit BARs and BAR1/BAR3 as RESERVED

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On all Qcom endpoint SoCs, BAR0/BAR2 are 64bit BARs by default and
software cannot change the type.

So, mark the those BARs as 64bit BARs and also mark the successive
BAR1/BAR3 as RESERVED BARs so that the EPF drivers cannot use them.

Cc: stable+noautosel@kernel.org # depends on patch introducing only_64bit flag
Fixes: f55fee56a6 ("PCI: qcom-ep: Add Qualcomm PCIe Endpoint controller driver")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241231130224.38206-3-manivannan.sadhasivam@linaro.org
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
This commit is contained in:
Manivannan Sadhasivam 2024-12-31 18:32:24 +05:30 committed by Krzysztof Wilczyński
parent 2014c95afe
commit 9d52691f89
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1 changed files with 4 additions and 0 deletions
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4
drivers/pci/controller/dwc/pcie-qcom-ep.c
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@ -825,6 +825,10 @@ static const struct pci_epc_features qcom_pcie_epc_features = {
.msi_capable = true,
.msix_capable = false,
.align = SZ_4K,
.bar[BAR_0] = { .only_64bit = true, },
.bar[BAR_1] = { .type = BAR_RESERVED, },
.bar[BAR_2] = { .only_64bit = true, },
.bar[BAR_3] = { .type = BAR_RESERVED, },
};
static const struct pci_epc_features *