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2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2018-04-27Remove unnecessary instances of DECLARE_GLOBAL_DATA_PTRTom Rini
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
2017-12-29ARM: imx6: Disable DDR DRAM calibration DHCOM i.MX6 PDKMarek Vasut
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>
2017-11-16ARM: imx6: Adjust DDR DRAM settings on DHCOM i.MX6 PDKMarek Vasut
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>
2017-10-12ARM: imx6: Add DHCOM i.MX6 PDK board supportMarek Vasut
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>