From: Hou Zhiqiang Zhiqiang.Hou@nxp.com
There isn't LS2088A DT file, actually it reuse LS2080A DT file under u-boot, while under kernel there are DT files for LS2080A and LS2088A respectively with different PCIe node compatible string.
Signed-off-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com --- V2: - no change
drivers/pci/pcie_layerscape_fixup.c | 35 ++++++++++++++++++++++++----------- 1 file changed, 24 insertions(+), 11 deletions(-)
diff --git a/drivers/pci/pcie_layerscape_fixup.c b/drivers/pci/pcie_layerscape_fixup.c index 19ede2f..64e461e 100644 --- a/drivers/pci/pcie_layerscape_fixup.c +++ b/drivers/pci/pcie_layerscape_fixup.c @@ -72,19 +72,26 @@ static void fdt_pcie_set_msi_map_entry(void *blob, struct ls_pcie *pcie, u32 *prop; u32 phandle; int nodeoffset; + uint svr; + char *compat = NULL;
/* find pci controller node */ nodeoffset = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie", pcie->dbi_res.start); if (nodeoffset < 0) { #ifdef CONFIG_FSL_PCIE_COMPAT /* Compatible with older version of dts node */ - nodeoffset = fdt_node_offset_by_compat_reg(blob, - CONFIG_FSL_PCIE_COMPAT, pcie->dbi_res.start); + svr = (get_svr() >> SVR_VAR_PER_SHIFT) & 0xFFFFFE; + if (svr == SVR_LS2088A || svr == SVR_LS2084A || + svr == SVR_LS2048A || svr == SVR_LS2044A) + compat = "fsl,ls2088a-pcie"; + else + compat = CONFIG_FSL_PCIE_COMPAT; + if (compat) + nodeoffset = fdt_node_offset_by_compat_reg(blob, + compat, pcie->dbi_res.start); +#endif if (nodeoffset < 0) return; -#else - return; -#endif }
/* get phandle to MSI controller */ @@ -146,19 +153,25 @@ static void fdt_fixup_pcie(void *blob) static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie) { int off; + uint svr; + char *compat = NULL;
off = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie", pcie->dbi_res.start); if (off < 0) { #ifdef CONFIG_FSL_PCIE_COMPAT /* Compatible with older version of dts node */ - off = fdt_node_offset_by_compat_reg(blob, - CONFIG_FSL_PCIE_COMPAT, - pcie->dbi_res.start); + svr = (get_svr() >> SVR_VAR_PER_SHIFT) & 0xFFFFFE; + if (svr == SVR_LS2088A || svr == SVR_LS2084A || + svr == SVR_LS2048A || svr == SVR_LS2044A) + compat = "fsl,ls2088a-pcie"; + else + compat = CONFIG_FSL_PCIE_COMPAT; + if (compat) + off = fdt_node_offset_by_compat_reg(blob, + compat, pcie->dbi_res.start); +#endif if (off < 0) return; -#else - return; -#endif }
if (pcie->enabled)