summaryrefslogtreecommitdiffstats
path: root/drivers/pci/controller/dwc/pcie-designware-ep.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:15:33 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:15:33 +0000
commita097cf30108c0151cb2684afd962bd2678ff97d7 (patch)
treede1ac8afc7248eec4b2fb60496b8e9273452d9f7 /drivers/pci/controller/dwc/pcie-designware-ep.c
parentAdding upstream version 6.1.82. (diff)
downloadlinux-a097cf30108c0151cb2684afd962bd2678ff97d7.tar.xz
linux-a097cf30108c0151cb2684afd962bd2678ff97d7.zip
Adding upstream version 6.1.85.upstream/6.1.85
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware-ep.c')
-rw-r--r--drivers/pci/controller/dwc/pcie-designware-ep.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index 4086a7818..506d6d061 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -669,8 +669,13 @@ int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep)
nbars = (reg & PCI_REBAR_CTRL_NBAR_MASK) >>
PCI_REBAR_CTRL_NBAR_SHIFT;
+ /*
+ * PCIe r6.0, sec 7.8.6.2 require us to support at least one
+ * size in the range from 1 MB to 512 GB. Advertise support
+ * for 1 MB BAR size only.
+ */
for (i = 0; i < nbars; i++, offset += PCI_REBAR_CTRL)
- dw_pcie_writel_dbi(pci, offset + PCI_REBAR_CAP, 0x0);
+ dw_pcie_writel_dbi(pci, offset + PCI_REBAR_CAP, BIT(4));
}
dw_pcie_setup(pci);