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iomux register read and write

Question asked by andy G on Apr 16, 2020
Latest reply on May 26, 2020 by andy G

I am using memtool to read the value from iomux register;

for example, I want to read the SPI2_CS0 with the address of 0x401C0, but failed with bus error.

But I can read the 0x5A000000 (version id register for spi) successfull.

So what is the problem? can you guys help?