York Sun wrote: > +Interactive DDR debugging > +=========================== > + > +For DDR parameter tuning up and debugging, the interactive DDR debugging can > +be activated by saving an environment variable "ddr_interactive". The value > +doesn't matter. Once activated, U-boot prompts "FSL DDR>" before enabling DDR > +controller. The available commands can be seen by typing "help". > + > +The example flow of using interactive debugging is > +type command "compute" to calculate the parameters from the default > +type command "print" with arguments to show SPD, options, registers > +type command "edit" with arguments to change any if desired > +type command "go" to continue calculation and enable DDR controller > + > +Note, check "next_step" to show the flow. For example, after editing > registers, > +DDR controller will be enabled with current setting without further > +calculation.
This is pretty skimpy for such a powerful feature. How about some examples and a detailed description of each command? -- Timur Tabi Linux kernel developer at Freescale _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
