[U-Boot] [PATCH v3 16/18] ram: rk3399: Add rank detection support

[Jagan Teki]

Hi Kever,

On Wed, Jul 17, 2019 at 6:23 PM Kever Yang <kever.yang at rock-chips.com> wrote:
>
> Hi Jagan,
>
>      I'm sure this patch have some problem with evb-rk3399, which I
> think make the ddr not init correctly and error happen in ATF.

Would you help to share the log for this. I made test on Nanopi-m4
which has same ddr type as evb, LPDDR3 and it booted fine with
mainline ATF (with PLAT=rk3399 bl31). Below is the log details.

U-Boot TPL 2019.07-00145-gcb5756d9e2-dirty (Jul 18 2019 - 14:55:23)
Channel 0: LPDDR3, 933MHz
BW=32 Col=10 Bk=8 CS0 Row=15 CS1 Row=15 CS=2 Die BW=32 Size=2048MB
Channel 1: LPDDR3, 933MHz
BW=32 Col=10 Bk=8 CS0 Row=15 CS1 Row=15 CS=2 Die BW=32 Size=2048MB
256B stride
Trying to boot from BOOTROM
Returning to boot ROM...

U-Boot SPL 2019.07-00145-gcb5756d9e2-dirty (Jul 18 2019 - 14:55:23 +0530)
Trying to boot from MMC1


U-Boot 2019.07-00145-gcb5756d9e2-dirty (Jul 18 2019 - 14:55:23 +0530)

Model: FriendlyElec NanoPi M4
DRAM:  3.9 GiB
MMC:   dwmmc at fe310000: 2, dwmmc at fe320000: 1, sdhci at fe330000: 0
Loading Environment from MMC... *** Warning - bad CRC, using default environment

In:    serial at ff1a0000
Out:   serial at ff1a0000
Err:   serial at ff1a0000
Model: FriendlyElec NanoPi M4

Let me know if have anything to add?

Jagan.