diff options
| author | Pali Rohár <pali@kernel.org> | 2020-09-25 09:54:16 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2020-10-01 10:43:43 +0200 |
| commit | 3dee18e2c22cf1a9c141c4bd44dcd2f765338320 (patch) | |
| tree | 114b7df6f48e039e99e7ddfcd3997b2a89aabfed | |
| parent | 5f9070a4a48d2db1968b86a54e82724dbe2a6de6 (diff) | |
arm: mvebu: Espressobin: Instructions for more MAC addresses in README.marvell
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 <pali@kernel.org>
Reviewed-by: Andre Heider <a.heider@gmail.com>
| -rw-r--r-- | doc/README.marvell | 23 |
1 files 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. |