From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx> The current code depends on these 2 fixups implemented in bootloader, this patch is to resolve the dependence. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx> Acked-by: Roy Zang <tie-fei.zang@xxxxxxxxxxxxx> --- V5: - No change drivers/pci/dwc/pci-layerscape.c | 5 +++++ 1 file changed, 5 insertions(+) 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; -- 2.14.1
