The following table lists the U-Boot file associated with each ConnectCore 8M Mini variant:
| RAM size | U-Boot file | U-Boot defconfig |
|---|---|---|
any |
Check your variant RAM size on the serial console boot log:
U-Boot SPL dub-2020.04-r6.1 (Sep 19 2023 - 07:19:27 +0000)
DDRINFO: start DRAM init
DDRINFO: DRAM rate 3000MTS
DDRINFO:ddrphy calibration done
DDRINFO: ddrmix config done
Normal Boot
Trying to boot from MMC2
NOTICE: BL31: v2.4(release):lf-5.10.72-2.2.3-2-gb67eb4618
NOTICE: BL31: Built : 07:19:48, Sep 19 2023
U-Boot dub-2020.04-r6.1 (Sep 19 2023 - 07:19:27 +0000)
CPU: i.MX8MMQ rev1.0 1600 MHz (running at 1200 MHz)
CPU: Industrial temperature grade (-40C to 105C) at 32C
Reset cause: POR
DRAM: 2 GiB
MCA: HW_VER=1 FW_VER=1.00
MMC: FSL_SDHC: 1, FSL_SDHC: 0
In: serial
Out: serial
Err: serial
Model: Digi ConnectCore 8M Mini Development Kit
ConnectCore 8M Mini SOM variant 0x03: 2 GiB LPDDR4, Wi-Fi, Bluetooth, MCA, Crypto-auth
Board version 3, ID undefined
Boot: MMC2
BuildInfo:
- ATF b67eb46
- U-Boot dub-2020.04-r6.1
flash target is MMC:0
Net: eth0: ethernet@30be0000
Fastboot: Normal
Normal Boot
Hit any key to stop autoboot: 0
=> |
U-Boot might show less DRAM than the nominal. This is due to elements such as the secure monitor (OP-TEE) reserving part of the memory. |
