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AM335x EDMA3 undocumented register?

Other Parts Discussed in Thread: SYSCONFIG

Hello,

The EDMA platform file "edma.c" use three registers of the EDMA3 that are not documented (or I could not find them). The registers are used to the clock initialisation (procedure "EDMAModuleClkConfig()"):

/* DMA in non-idle mode */
HWREG(0x49800010) = 0x00000028;

HWREG(0x49900010) = 0x00000028;
HWREG(0x49a00010) = 0x00000028;

Can anyone from TI give a short discreption of these registers or is this code part obsolete?

Thanks.

Best regards,
Patrick