Where is the base address of McSPIx registered in spi-omap2-mcspi.c?

Question

In the code I see the offset addresses for various registers defined. But, where is the base address registered ?

In the function, the base address is accessed through mcspi->base. How does mcspi->base contain the specific base address of McSPI ?

Answer 1

This should be defined in the dts file in arch/arm/boot/dts/omap4.dtsi file. I'm not sure if DT is enabled for your kernel. If enabled, it reads in the probe function.