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https://github.com/brain-hackers/u-boot-brain
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- Espressobin: Fix compatible string check - Espressobin: Extend README for more MAC addresses
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4f48163201
@ -88,14 +88,14 @@ int board_late_init(void)
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if (env_get("fdtfile"))
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return 0;
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if (!of_machine_is_compatible("globalscale,espressobin"))
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if (!of_machine_is_compatible("marvell,armada-3720-espressobin"))
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return 0;
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/* If the memory controller has been configured for DDR4, we're running on v7 */
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ddr4 = ((readl(A3700_CH0_MC_CTRL2_REG) >> A3700_MC_CTRL2_SDRAM_TYPE_OFFS)
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& A3700_MC_CTRL2_SDRAM_TYPE_MASK) == A3700_MC_CTRL2_SDRAM_TYPE_DDR4;
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emmc = of_machine_is_compatible("globalscale,espressobin-emmc");
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emmc = of_machine_is_compatible("marvell,armada-3720-espressobin-emmc");
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if (ddr4 && emmc)
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env_set("fdtfile", "marvell/armada-3720-espressobin-v7-emmc.dtb");
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@ -27,7 +27,7 @@ Build Procedure
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- For the Armada-70x0/80x0 DB board use "mvebu_db_armada8k_defconfig"
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- For the Armada-80x0 MacchiatoBin use "make mvebu_mcbin-88f8040_defconfig"
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- For the Armada-3700 DB board use "make mvebu_db-88f3720_defconfig"
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- For the Armada-3700 EsspressoBin use "make mvebu_espressobin-88f3720_defconfig"
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- For the Armada-3700 EspressoBin use "make mvebu_espressobin-88f3720_defconfig"
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5. Configure the device-tree and build the U-Boot image:
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@ -62,11 +62,15 @@ Configuration update
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Permanent ethernet MAC address
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-------------------------------
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Prior flashing new U-Boot version (as part of ATF image) it is suggested to backup
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permanent ethernet MAC address as it is stored only in U-Boot env storage (SPI or eMMC).
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Some boards like EspressoBin have MAC address printed on sticker. To print current MAC
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address run:
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permanent ethernet MAC addresses as they are stored only in U-Boot env storage (SPI or eMMC).
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Some boards like EspressoBin have MAC addresses printed on sticker. Some boards got assigned
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only one address other may also more than one. To print current MAC addresses run:
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# echo $ethaddr
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# echo $eth1addr
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# echo $eth2addr
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# echo $eth3addr
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# ...
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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
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and F0:AD:4E:03:64:7F are default hardcoded values found in Marvell's and Armbian U-Boot
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@ -75,13 +79,20 @@ Permanent ethernet MAC address
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suggested to generate new random one.
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After flashing new U-Boot version it is suggested to reset U-Boot env variables to default
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and then set correct permanent ethernet MAC address.
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and then set correct permanent ethernet MAC addresses.
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# env default -a
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# setenv ethaddr XX:XX:XX:XX:XX:XX
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# setenv eth1addr XX:XX:XX:XX:XX:XX
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# setenv eth2addr YY:YY:YY:YY:YY:YY
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# setenv eth3addr ZZ:ZZ:ZZ:ZZ:ZZ:ZZ
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# ...
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# saveenv
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Where XX:XX:XX:XX:XX:XX is permanent ethernet MAC address.
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Where value for ethaddr is required permanent ethernet MAC address and values for ethNaddr
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are optional per-port MAC addresses. When optional ethNaddr variables are not defined then
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they are inherited from required ethaddr variable. eth1addr contains MAC address for the
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wan port, other for particular lan ports.
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Recent Linux kernel versions use correct permanent ethernet MAC address from U-Boot env as
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U-Boot will inject it into kernel's device-tree.
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