On 25.09.20 09:54, Pali Rohár wrote:
Some Espressobin boards got assigned more than one MAC address. Update
instructions how to correctly store and preserve all MAC addresses.
Signed-off-by: Pali Rohár <p...@kernel.org>
Applied to u-boot-marvell/master
Thanks,
Stefan
---
doc/README.marvell | 23 +++++++++++++++++------
1 file changed, 17 insertions(+), 6 deletions(-)
diff --git a/doc/README.marvell b/doc/README.marvell
index 5416bc3035..6fc5ac8a40 100644
--- a/doc/README.marvell
+++ b/doc/README.marvell
@@ -27,7 +27,7 @@ Build Procedure
- For the Armada-70x0/80x0 DB board use "mvebu_db_armada8k_defconfig"
- For the Armada-80x0 MacchiatoBin use "make
mvebu_mcbin-88f8040_defconfig"
- For the Armada-3700 DB board use "make mvebu_db-88f3720_defconfig"
- - For the Armada-3700 EsspressoBin use "make
mvebu_espressobin-88f3720_defconfig"
+ - For the Armada-3700 EspressoBin use "make
mvebu_espressobin-88f3720_defconfig"
5. Configure the device-tree and build the U-Boot image:
@@ -62,11 +62,15 @@ Configuration update
Permanent ethernet MAC address
-------------------------------
Prior flashing new U-Boot version (as part of ATF image) it is
suggested to backup
- permanent ethernet MAC address as it is stored only in U-Boot env
storage (SPI or eMMC).
- Some boards like EspressoBin have MAC address printed on sticker. To
print current MAC
- address run:
+ permanent ethernet MAC addresses as they are stored only in U-Boot env
storage (SPI or eMMC).
+ Some boards like EspressoBin have MAC addresses printed on sticker.
Some boards got assigned
+ only one address other may also more than one. To print current MAC
addresses run:
# echo $ethaddr
+ # echo $eth1addr
+ # echo $eth2addr
+ # echo $eth3addr
+ # ...
MAC addresses 00:51:82:11:22:00, 00:51:82:11:22:01, 00:51:82:11:22:02, 00:51:82:11:22:03
and F0:AD:4E:03:64:7F are default hardcoded values found in Marvell's
and Armbian U-Boot
@@ -75,13 +79,20 @@ Permanent ethernet MAC address
suggested to generate new random one.
After flashing new U-Boot version it is suggested to reset U-Boot env variables to default
- and then set correct permanent ethernet MAC address.
+ and then set correct permanent ethernet MAC addresses.
# env default -a
# setenv ethaddr XX:XX:XX:XX:XX:XX
+ # setenv eth1addr XX:XX:XX:XX:XX:XX
+ # setenv eth2addr YY:YY:YY:YY:YY:YY
+ # setenv eth3addr ZZ:ZZ:ZZ:ZZ:ZZ:ZZ
+ # ...
# saveenv
- Where XX:XX:XX:XX:XX:XX is permanent ethernet MAC address.
+ Where value for ethaddr is required permanent ethernet MAC address and
values for ethNaddr
+ are optional per-port MAC addresses. When optional ethNaddr variables
are not defined then
+ they are inherited from required ethaddr variable. eth1addr contains
MAC address for the
+ wan port, other for particular lan ports.
Recent Linux kernel versions use correct permanent ethernet MAC address from U-Boot env as
U-Boot will inject it into kernel's device-tree.
Viele Grüße,
Stefan
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: s...@denx.de
