"pci: layerscape: Fixup device tree node for ls2088a" added
support for LS208xA devices but fixing iommu-map property
is missing. This patch adds support for fixing iommu-map.
Signed-off-by: Bharat Bhushan <bharat.bhus...@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.cior...@nxp.com>
---
drivers/pci/pcie_layerscape_fixup.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/drivers/pci/pcie_layerscape_fixup.c
b/drivers/pci/pcie_layerscape_fixup.c
index 9e6c2f5..3dae201 100644
--- a/drivers/pci/pcie_layerscape_fixup.c
+++ b/drivers/pci/pcie_layerscape_fixup.c
@@ -130,19 +130,28 @@ static void fdt_pcie_set_iommu_map_entry(void *blob,
struct ls_pcie *pcie,
u32 iommu_map[4];
int nodeoffset;
int lenp;
+ 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 ||
+ svr == SVR_LS2081A || svr == SVR_LS2041A)
+ 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 iommu controller */
--
1.9.3
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