On 01/07/2013 10:35 PM, Wolfgang Denk wrote: > Dear York Sun, > > In message <1357323245-12455-1-git-send-email-york...@freescale.com> you > wrote: >> ... >> CONFIG_FSL_DDR_INTERACTIVE needs to be defined in header file. To enter the >> debug mode by key press, press key 'd' shortly after reset, like one would >> do to abort auto booting. It is fixed to lower case 'd' at this moment. > ... >> --- a/doc/README.fsl-ddr >> +++ b/doc/README.fsl-ddr >> @@ -268,6 +268,13 @@ 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". >> >> +Another way to enter debug mode without using environment variable is to >> send >> +a key press during boot, like one would do to abort auto boot. To save >> booting >> +time, no additioal delay is added so the window to send the key press is >> very >> +short. For example, user can send the key press using reset command >> followed by >> +hitting enter key twice. In case of power on reset, user can keep hitting >> any >> +key while applying the power. > > The documentation here does not mention the 'd' key at all. Guess it > should? > > It should. And James found my error and fixed in the patch 5/7 in this series.
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