riscv: sifive_u: Add ethernet0 to the aliases node

U-Boot expects this alias to be in place in order to fix up the mac
address of the ethernet node.

This is to keep in sync with Linux kernel commit below:
https://patchwork.kernel.org/patch/11133033/

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index 02dd76176e1b36db2ba331111bc2012315ccba2d..1ac51e36321a7583fd1d492bb6a0ca43251aa010 100644 (file)
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -270,6 +270,10 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap,
         s->soc.gem.conf.macaddr.a, ETH_ALEN);
     qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", 1);
     qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0);
+
+    qemu_fdt_add_subnode(fdt, "/aliases");
+    qemu_fdt_setprop_string(fdt, "/aliases", "ethernet0", nodename);
+
     g_free(nodename);
 
     nodename = g_strdup_printf("/soc/ethernet@%lx/ethernet-phy@0",
@@ -297,7 +301,6 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap,
         qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
     }
 
-    qemu_fdt_add_subnode(fdt, "/aliases");
     qemu_fdt_setprop_string(fdt, "/aliases", "serial0", nodename);
 
     g_free(nodename);