General guidelines:
http://processors.wiki.ti.com/index.php/Guidelines_for_Posting_on_the_E2E_Forums
Hardware Guidelines:
Review Hardware Design guide and Schematic checklist information
AM335x Hardware Design guide and Schematic Checklist
AM437x Hardware Design guide and Schematic checklist
AM57x Hardware Design guide and Schematic Checklist
Processor SDK RTOS Guidelines
Checklist for posting Processor SDK RTOS on E2E forums
Processor SDK Linux Guidelines
Dos and don`t for Posting Processor SDK Linux related questions
Checklist for Ethernet/CPSW questions.