pci_ep: layerscape: Add Support for ls2085a and ls2080a EP mode

Due to the ls2085a and ls2080a use different way to set the BAR size,
so add the BAR size init code here.

Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

diff --git a/drivers/pci/pcie_layerscape_ep.c b/drivers/pci/pcie_layerscape_ep.c
index 3f22c5ef7aab0c4cb40999935647cf9f6cad0140..20de056b8a5455de6c6b7005215063e95dc64d70 100644 (file)
--- a/drivers/pci/pcie_layerscape_ep.c
+++ b/drivers/pci/pcie_layerscape_ep.c
@@ -173,17 +173,25 @@ static void ls_pcie_setup_ep(struct ls_pcie_ep *pcie_ep)
                         */
                        writel(0, pcie->dbi + PCIE_MISC_CONTROL_1_OFF);
 
+                       bar_base = pcie->dbi +
+                                  PCIE_MASK_OFFSET(pcie_ep->cfg2_flag, pf);
+
                        if (pcie_ep->cfg2_flag) {
-                               for (vf = 0; vf <= PCIE_VF_NUM; vf++) {
+                               ctrl_writel(pcie,
+                                           PCIE_LCTRL0_VAL(pf, 0),
+                                           PCIE_PF_VF_CTRL);
+                               ls_pcie_ep_setup_bars(bar_base);
+
+                               for (vf = 1; vf <= PCIE_VF_NUM; vf++) {
                                        ctrl_writel(pcie,
                                                    PCIE_LCTRL0_VAL(pf, vf),
                                                    PCIE_PF_VF_CTRL);
+                                       ls_pcie_ep_setup_vf_bars(bar_base);
                                }
+                       } else {
+                               ls_pcie_ep_setup_bars(bar_base);
+                               ls_pcie_ep_setup_vf_bars(bar_base);
                        }
-                       bar_base = pcie->dbi +
-                                  PCIE_MASK_OFFSET(pcie_ep->cfg2_flag, pf);
-                       ls_pcie_ep_setup_bars(bar_base);
-                       ls_pcie_ep_setup_vf_bars(bar_base);
 
                        ls_pcie_ep_setup_atu(pcie_ep, pf);
                }