[PATCH 2/5] imx8mm-cl-iot-gate: Retrieve the DDR type from EEPROM

[sbabic at denx.de]

> From: Fabio Estevam <festevam at denx.de>
> Currently, the DDR type is retrieved by iteracting inside an array
> of possible DDR types.
> This may take saveral attempts, which slows the overall U-Boot process
> and does not provide a good user experience:
> U-Boot SPL 2021.07 (Feb 28 2022 - 06:39:32 +0000)
> DDRINFO: Cfg attempt: [ 1/6 ]
> DDRINFO(M): mr5-8 [ 0xff000010 ]
> DDRINFO(T): mr5-8 [ 0x5000010 ]
> resetting ...
> U-Boot SPL 2021.07 (Feb 28 2022 - 06:39:32 +0000)
> DDRINFO: Cfg attempt: [ 2/6 ]
> DDRINFO(M): mr5-8 [ 0xff000010 ]
> DDRINFO(T): mr5-8 [ 0x1061010 ]
> resetting ...
> U-Boot SPL 2021.07 (Feb 28 2022 - 06:39:32 +0000)
> DDRINFO: Cfg attempt: [ 3/6 ]
> DDRINFO(M): mr5-8 [ 0xff000010 ]
> DDRINFO(T): mr5-8 [ 0xff000010 ]
> Normal Boot
> WDT:   Not starting
> Trying to boot from MMC2
> NOTICE:  BL31: v2.5(release):v2.5
> NOTICE:  BL31: Built : 07:12:44, Jan 24 2022
> Improve the boot time by retrieving the correct DDR information from
> the EEPROM:
> U-Boot SPL 2022.04-rc4-00045-g6d02bc40d58c (Mar 19 2022 - 08:22:29 -0300)
> DDRINFO(D): Kingston 4096G
> DDRINFO(M): mr5-8 [ 0xff000010 ]
> DDRINFO(E): mr5-8 [ 0xff000010 ]
> Normal Boot
> WDT:   Started watchdog at 30280000 with servicing (60s timeout)
> Trying to boot from MMC2
> NOTICE:  BL31: v2.5(release):v2.5
> NOTICE:  BL31: Built : 22:28:11, Mar 15 2022
> Based on the original code from Compulab's U-Boot.
> Tested on a imx8mm-cl-iot-gate board populated with 4GB of RAM.
> Signed-off-by: Fabio Estevam <festevam at denx.de>
> Tested-by: Harald Seiler <hws at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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