There is a unique MAC address programmed into the eFuses of the JZ4780 chip in the CI20 factory. By using this for initializing the DM9000 Ethernet controller, every CI20 board has an individual - but stable - MAC address and DHCP can assign stable IP addresses.
Signed-off-by: H. Nikolaus Schaller hns@goldelico.com --- arch/mips/boot/dts/ingenic/ci20.dts | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts index 37b93166bf22..6dc1f9eeff00 100644 --- a/arch/mips/boot/dts/ingenic/ci20.dts +++ b/arch/mips/boot/dts/ingenic/ci20.dts @@ -355,6 +355,9 @@
interrupt-parent = <&gpe>; interrupts = <19 4>; + + nvmem-cells = <ð0_addr>; + nvmem-cell-names = "mac-address"; }; };