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
--- a/drivers/pci/pcie_layerscape_fixup.c
+++ b/drivers/pci/pcie_layerscape_fixup.c
@@ -218,7 +218,7 @@
}
#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;
@@ -243,12 +243,33 @@
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);
+}
+
+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)
{