On 01/07/2013 10:35 PM, Wolfgang Denk wrote:
Dear York Sun,
In message 1357323245-12455-1-git-send-email-yorksun@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.
York