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Kernel hangs while PCIe DBI access

Question asked by Mallanna Narsanaik on Mar 15, 2017
Latest reply on Mar 15, 2017 by igorpadykov

On our custom i.MX6Q based board, Kernel hangs  while accessing the PCIe DBI registers (i,e readl(dbi_base)). please let us know possible reason for kernel hang.

1. In u-boot , no problem while accessing DBI registers and also PCIe link comes up without any problem.

2. We are using official freescale kernel (4.1.15 ->imx_4.1.15_1.0.0_ga).


Thanks in advance