As per the xlnx,axi-ethernet-1.00.a DT documentation in linux, the AXI
DMA registers can be obtained via the reg property or via a separate
node for the axistream DMA controller. Currently only the latter is
supported, so add support to fetch the DMA controller registers from the
"reg" property.
Signed-off-by: Mayuresh Chitale <mchit...@ventanamicro.com>
---
drivers/net/xilinx_axi_emac.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c
index 54f2232768..ef151ee51b 100644
--- a/drivers/net/xilinx_axi_emac.c
+++ b/drivers/net/xilinx_axi_emac.c
@@ -903,12 +903,11 @@ static int axi_emac_of_to_plat(struct udevice *dev)
ret = dev_read_phandle_with_args(dev, "axistream-connected", NULL, 0, 0,
&axistream_node);
- if (ret) {
- printf("%s: axistream is not found\n", __func__);
- return -EINVAL;
- }
+ if (!ret)
+ plat->dmatx = (struct axidma_reg
*)ofnode_get_addr(axistream_node.node);
+ else
+ plat->dmatx = (struct axidma_reg *)dev_read_addr_index(dev, 1);
- plat->dmatx = (struct axidma_reg *)ofnode_get_addr(axistream_node.node);
if (!plat->dmatx) {
printf("%s: axi_dma register space not found\n", __func__);
return -EINVAL;
--
2.34.1
