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authorLaurentiu Tudor <laurentiu.tudor@nxp.com>2020-05-04 14:47:11 +0300
committerPriyanka Jain <priyanka.jain@nxp.com>2020-05-19 09:22:07 +0530
commit21a00d130e5f6290924657b8576b545fac8e0a5c (patch)
tree91e303dc9d56616cd8359ef2e1483c35bbc18151 /drivers/net
parent9b2e892eb6e30913ee8ca95f1a360d61785d0912 (diff)
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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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/fsl-mc/mc.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c
index fee372968a..9c4ba7dbda 100644
--- 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,