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Linux imx53 EIM relocation

Question asked by Marijan Vidmar on Dec 21, 2012
Latest reply on Mar 3, 2014 by Yixing Kong



I'am trying to connect simple device (eg latched LED port) to the 8-bit EIM port on the mx53 board under Linux (adapted 3.2.28). By no chance this is working inside Linux kernel although works nice in the u-boot.

I've checked emi_slow_clock, even try to change the logic for ioremap (which is by the way erroneus) without success.

I've tried with 64M_64M coniguration and 32M_32M_32M_32M also without success.

I could not read neither write to that region.

Any hint/advice would be much appreciated.