On Mon, Jul 23, 2018 at 06:13:34AM +0800, Icenowy Zheng wrote: > The Allwinner H6 SoC comes with a set of new DRAM controller+PHY combo. > Both the controller and the PHY seem to be originate from DesignWare, > and are similar to the ones in ZynqMP SoCs. > > This commit introduces an initial DRAM driver for H6, which contains > only LPDDR3 support. The currently known SBCs with H6 all come with > LPDDR3 memory, including Pine H64 and several Orange Pi's. > > The BSP DRAM initialization code is closed source and violates GPL. Code > in this commit is written by experimenting, referring the code/document > of other users of the IPs (mainly the ZynqMP, as it's the only found PHY > reference) and disassebling the BSP blob. > > Thanks for Jernej Skrabec for review and fix some issues in this driver > (including the most critical one which made it to work), and rewrite > some code from register dump! > > Signed-off-by: Icenowy Zheng <icen...@aosc.io>
Acked-by: Maxime Ripard <maxime.rip...@bootlin.com> Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com
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