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3 Commits

Author SHA1 Message Date
Marek Vasut a637fe6f27 ARM: imx6: Disable DDR DRAM calibration DHCOM i.MX6 PDK 
The DDR DRAM calibration doesn't work on T-topology sometimes, so disable it.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
 2017-12-29 11:18:59 +01:00
Marek Vasut b979e35230 ARM: imx6: Adjust DDR DRAM settings on DHCOM i.MX6 PDK 
The board uses T-topology for the four x16 DRAM chips, so remove
the write-leveling from the SPL as that is only usefly on fly-by
topology and can be harmful on T-topology. Also update the DRAM
timing with values from calibration on multiple boards.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
 2017-11-16 10:43:22 +01:00
Marek Vasut 0a333602df ARM: imx6: Add DHCOM i.MX6 PDK board support 
Add support for the DHCOM i.MX6 PDK board. This board has:
- FEC ethernet
- EHCI USB host
- 3x SDMMC

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
 2017-10-12 18:01:06 +02:00