Message ID | 20220927150521.26036-1-christian@kohlschutter.com |
---|---|
State | Accepted |
Commit | c2d5edff916379abd2da4590e8171c965d9a3e1d |
Delegated to: | Kever Yang |
Headers | show |
Series | rk3399: r4s: Derive local MAC address if EEPROM is missing | expand |
Hi Christian, Sorry for reply late for this patch, could you pls send again with sign-off-by. for the code change looks OK for me. Reviewed-by: Kever Yang <kever.yang@rock-chips.com> Thanks, - Kever On 2022/9/27 23:05, Christian Kohlschütter wrote: > Some RK3399 boards, such as newer revisions of NanoPi R4S, do not > provide an EEPROM chip containing a globally unique MAC address. > > Currently, this means that a randomly generated temporary MAC address > may be generated each time the device is rebooted, leading to ARP cache > issues and other confusing bugs. > > Since RK3399 CPUs provide a built-in unique serial number, we can > reliably derive a locally MAC address from it by reading the > corresponding bits from the non-secure efuse block. > > Enable configuration options that allow deriving a local MAC address > from the CPU serial number. > --- > configs/nanopi-r4s-rk3399_defconfig | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/configs/nanopi-r4s-rk3399_defconfig b/configs/nanopi-r4s-rk3399_defconfig > index 46ba07f4d5..aa89ac5854 100644 > --- a/configs/nanopi-r4s-rk3399_defconfig > +++ b/configs/nanopi-r4s-rk3399_defconfig > @@ -63,3 +63,7 @@ CONFIG_VIDEO_ROCKCHIP=y > CONFIG_DISPLAY_ROCKCHIP_HDMI=y > CONFIG_SPL_TINY_MEMSET=y > CONFIG_ERRNO_STR=y > +CONFIG_MISC=y > +CONFIG_MISC_INIT_R=y > +CONFIG_ROCKCHIP_EFUSE=y > +CONFIG_ROCKCHIP_OTP=y
diff --git a/configs/nanopi-r4s-rk3399_defconfig b/configs/nanopi-r4s-rk3399_defconfig index 46ba07f4d5..aa89ac5854 100644 --- a/configs/nanopi-r4s-rk3399_defconfig +++ b/configs/nanopi-r4s-rk3399_defconfig @@ -63,3 +63,7 @@ CONFIG_VIDEO_ROCKCHIP=y CONFIG_DISPLAY_ROCKCHIP_HDMI=y CONFIG_SPL_TINY_MEMSET=y CONFIG_ERRNO_STR=y +CONFIG_MISC=y +CONFIG_MISC_INIT_R=y +CONFIG_ROCKCHIP_EFUSE=y +CONFIG_ROCKCHIP_OTP=y