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| author | Hou Zhiqiang <Zhiqiang.Hou@nxp.com> | 2017-08-28 12:52:55 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-08-29 22:29:26 +0200 |
| commit | 5da39bf0919b6e129010f1554e639940be5bcdce (patch) | |
| tree | 56e465adcaebba34aed54c33bb0ff76a79969b27 /drivers/pci/dwc | |
| parent | PCI: layerscape: Move STRFMR1 access out from the DBI write-enable bracket (diff) | |
| download | linux-5da39bf0919b6e129010f1554e639940be5bcdce.tar.xz linux-5da39bf0919b6e129010f1554e639940be5bcdce.zip | |
PCI: layerscape: Add class code and multifunction fixups for ls1021a
The current code depends on class code and multifunction fixups done by the
bootloader. Perform these fixups in ls1021_pcie_host_init() to remove this
dependency.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Roy Zang <tie-fei.zang@freescale.com>
Diffstat (limited to 'drivers/pci/dwc')
| -rw-r--r-- | drivers/pci/dwc/pci-layerscape.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c index c16940044ed6..3aa34214643c 100644 --- a/drivers/pci/dwc/pci-layerscape.c +++ b/drivers/pci/dwc/pci-layerscape.c @@ -134,6 +134,11 @@ static int ls1021_pcie_host_init(struct pcie_port *pp) dw_pcie_setup_rc(pp); + iowrite32(1, pci->dbi_base + PCIE_DBI_RO_WR_EN); + ls_pcie_fix_class(pcie); + ls_pcie_clear_multifunction(pcie); + iowrite32(0, pci->dbi_base + PCIE_DBI_RO_WR_EN); + ls_pcie_drop_msg_tlp(pcie); return 0; |