drivers: net: fsl-mc: fixup msi-map property

Similarly to iommu-map, the msi-map property must also be fixed up
in the device tree, in order for the icid -> streamid translation
be possible in the MSI case as well.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Reviewed-by: Diana Craciun <diana.craciun@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c
index fee372968a38e65f7ea2d5d01e1670b45767f53c..9c4ba7dbda690a89248e2939ee10a269f4fbe87b 100644 (file)
--- a/drivers/net/fsl-mc/mc.c
+++ b/drivers/net/fsl-mc/mc.c
@@ -317,7 +317,7 @@ void fdt_fixup_mc_ddr(u64 *base, u64 *size)
 void fdt_fsl_mc_fixup_iommu_map_entry(void *blob)
 {
        u32 *prop;
-       u32 iommu_map[4];
+       u32 iommu_map[4], phandle;
        int offset;
        int lenp;
 
@@ -346,6 +346,21 @@ void fdt_fsl_mc_fixup_iommu_map_entry(void *blob)
 
        fdt_setprop_inplace(blob, offset, "iommu-map",
                            iommu_map, sizeof(iommu_map));
+
+       /* get phandle to MSI controller */
+       prop = (u32 *)fdt_getprop(blob, offset, "msi-parent", 0);
+       if (!prop) {
+               debug("\n%s: ERROR: missing msi-parent\n", __func__);
+               return;
+       }
+       phandle = fdt32_to_cpu(*prop);
+
+       /* also set msi-map property */
+       fdt_appendprop_u32(blob, offset, "msi-map", FSL_DPAA2_STREAM_ID_START);
+       fdt_appendprop_u32(blob, offset, "msi-map", phandle);
+       fdt_appendprop_u32(blob, offset, "msi-map", FSL_DPAA2_STREAM_ID_START);
+       fdt_appendprop_u32(blob, offset, "msi-map", FSL_DPAA2_STREAM_ID_END -
+                          FSL_DPAA2_STREAM_ID_START + 1);
 }
 
 static int mc_fixup_dpc_mac_addr(void *blob, int dpmac_id,