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XELK-AN-007: Migrating u-boot to SPL

125 bytes removed, 12:14, 13 August 2019
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The SPL and u-boot image, must be flashed on NAND using the NXP <code>kobs-ng</code> utility. This tool is required for writing correct information needed by bootrom to identify the NAND as a boot device.
'''N.B.''' for programming the second stage, the <code>nandwrite</code> command hs has to identify a proper mtd part witch correct size. Foir For this reason, the ''mtdparts'' variable has to be modified for writing the complete u-boot image.
The following steps are therefore necessary:
U-Boot 2016.03-xelk-3.5.0-rc5 (Feb 25 Apr 19 2019 - 1623:1637:57 42 +01000200), Build: jenkins-XELK-u-boot-6062
CPU: Freescale i.MX6DL rev1.3 at 792MHz
CPU: Industrial temperature grade (-40C to 105C) at 53C56C
Reset cause: POR
Environment: NAND
I2C: ready
DRAM: 1 GiB
Relocating to 4ff310004ff30000, new gd at 4df30eb84df2feb8, sp at 4df30e904df2fe90
PMIC: PFUZE100 ID=0x10
NAND: 1024 MiB
MMC: FSL_SDHC: 0
NAND read from offset 800000 failed -74
*** Warning - some problems detected reading environment; recovered successfully
WARNING: CB ConfigID on block 0 is UNLOCKED
Display: LDB-AM-800480STMQW-TA1-SBCX-REVB (800x480)
Fastboot: unsupported boot devices
Net: FEC [PRIME]
Warning: FEC (eth0) using random MAC address - 62a6:1b1d:e761:8882:e7c9:4b0f
Normal Boot
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