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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>
This commit is contained in:
Hou Zhiqiang 2017-08-28 18:52:55 +08:00 committed by Bjorn Helgaas
parent 0223234334
commit 5da39bf091
1 changed files with 5 additions and 0 deletions
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5
drivers/pci/dwc/pci-layerscape.c
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@ -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;