From 66decf16446eeb8d3b2da93d0b0086a583bc17bf Mon Sep 17 00:00:00 2001 From: Lee Leahy Date: Thu, 4 Feb 2016 11:21:33 -0800 Subject: Documentation: x86 Enable Serial Output Document the steps necessary to enable serial output TEST=None Change-Id: Ifc0e700d7ef54fb1e28ca9bca34b94cccd3633ac Signed-off-by: Lee Leahy Reviewed-on: https://review.coreboot.org/13444 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- Documentation/Intel/development.html | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'Documentation/Intel/development.html') diff --git a/Documentation/Intel/development.html b/Documentation/Intel/development.html index 2b23b39e23..b90fa96567 100644 --- a/Documentation/Intel/development.html +++ b/Documentation/Intel/development.html @@ -71,6 +71,17 @@
  • Early Debug
  • Implement and debug the bootblock code
  • Implement and debug the call to TempRamInit
    • +
  • Enable the serial port +
      +
    1. Power on, enable and configure GPIOs for the + debug serial UART +
      2. +
    2. Add the serial outupt + support to romstage +
      3. +
    +
    • +
  • Enable coreboot/FSP debugging
    • @@ -106,6 +117,23 @@ Disable: CONFIG_DISPLAY_MTRRS=y, MTRRs displayed after call to TempRamExit + + + + Board + Where + Testing + + + Serial Port + + SoC Support
    + Enable: src/soc/mainboard/<Board>/com_init.c/car_mainboard_pre_console_init + + Debug serial output works + + + FSP Where -- cgit v1.2.3