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u-boot: fixup the iommu-map property of fsl-mc node

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The iommu-map property in the fsl-mc node is updated by
valid stream-ids by u-boot. This patch is to fixup this
property for LS208x and LS1088.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Nipun Gupta
2018-08-20 16:01:14 +05:30
committed by York Sun
parent 1deae0c439
commit a78df40cba
7 changed files with 46 additions and 0 deletions
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34
drivers/net/fsl-mc/mc.c
View File

@@ -278,6 +278,40 @@ static int mc_fixup_dpl_mac_addr(void *blob, int dpmac_id,
MC_FIXUP_DPL);
}
void fdt_fsl_mc_fixup_iommu_map_entry(void *blob)
{
u32 *prop;
u32 iommu_map[4];
int offset;
int lenp;
/* find fsl-mc node */
offset = fdt_path_offset(blob, "/soc/fsl-mc");
if (offset < 0)
offset = fdt_path_offset(blob, "/fsl-mc");
if (offset < 0) {
printf("%s: fsl-mc: ERR: fsl-mc node not found in DT, err %d\n",
__func__, offset);
return;
}
prop = fdt_getprop_w(blob, offset, "iommu-map", &lenp);
if (!prop) {
debug("%s: fsl-mc: ERR: missing iommu-map in fsl-mc bus node\n",
__func__);
return;
}
iommu_map[0] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
iommu_map[1] = *++prop;
iommu_map[2] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
iommu_map[3] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_END -
FSL_DPAA2_STREAM_ID_START + 1);
fdt_setprop_inplace(blob, offset, "iommu-map",
iommu_map, sizeof(iommu_map));
}
static int mc_fixup_dpc_mac_addr(void *blob, int dpmac_id,
struct eth_device *eth_dev)
{