From: Xiaowei Bao <xiaowei.bao@nxp.com>
Date: Thu, 9 Jul 2020 15:31:38 +0000 (+0800)
Subject: pci_ep: layerscape: Add Support for ls2085a and ls2080a EP mode
X-Git-Tag: v2020.10-rc1~2^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=78c56b29fc908b1fc573f7b1be53cf58a8546e0b;p=pandora-u-boot.git

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 3f22c5ef7aa..20de056b8a5 100644
--- 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);
 		}