pci: layerscape: Add the dts fixup for EP and RC

Add the dts fixup when PCI controller work diffferent mode.

Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

diff --git a/drivers/pci/pcie_layerscape_fixup.c b/drivers/pci/pcie_layerscape_fixup.c
index 1a17bd9..089e031 100644 (file)
--- a/drivers/pci/pcie_layerscape_fixup.c
+++ b/drivers/pci/pcie_layerscape_fixup.c
@@ -218,7 +218,7 @@ static void fdt_fixup_pcie(void *blob)
 }
 #endif
 
 }
 #endif
 

-static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie)
+static void ft_pcie_rc_fix(void *blob, struct ls_pcie *pcie)

 {
        int off;
        uint svr;
 {
        int off;
        uint svr;


@@ -243,12 +243,33 @@ static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie)
                        return;
        }
 
                        return;
        }
 

-       if (pcie->enabled)
+       if (pcie->enabled && pcie->mode == PCI_HEADER_TYPE_BRIDGE)
+               fdt_set_node_status(blob, off, FDT_STATUS_OKAY, 0);
+       else
+               fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
+}
+
+static void ft_pcie_ep_fix(void *blob, struct ls_pcie *pcie)
+{
+       int off;
+
+       off = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie-ep",
+                                           pcie->dbi_res.start);
+       if (off < 0)
+               return;
+
+       if (pcie->enabled && pcie->mode == PCI_HEADER_TYPE_NORMAL)

                fdt_set_node_status(blob, off, FDT_STATUS_OKAY, 0);
        else
                fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
 }
 
                fdt_set_node_status(blob, off, FDT_STATUS_OKAY, 0);
        else
                fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
 }
 

+static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie)
+{
+       ft_pcie_ep_fix(blob, pcie);
+       ft_pcie_rc_fix(blob, pcie);
+}
+

 /* Fixup Kernel DT for PCIe */
 void ft_pci_setup(void *blob, bd_t *bd)
 {
 /* Fixup Kernel DT for PCIe */
 void ft_pci_setup(void *blob, bd_t *bd)
 {