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Author SHA1 Message Date
Frieder Schrempf
83083febf5 ddr: imx8m: Return error values from LPDDR4 training 
In cases when the same SPL should run on boards with i.MX8MM, that
differ in DDR configuration, it is necessary to try different
parameters and check if the training done by the firmware suceeds or
not.

Therefore we return the DDR training/initialization success to the
upper layer in order to be able to retry with different settings if
necessary.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
 2020-01-07 10:26:57 +01:00
Peng Fan
e3963c0943 drivers: ddr: introduce DDR driver for i.MX8M 
Introduce DDR driver for i.MX8M. The driver will be used by SPL to
initialze DDR PHY and DDR Controller.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
 2019-01-01 14:12:18 +01:00