diff options
| author | Lee Leahy <leroy.p.leahy@intel.com> | 2016-02-04 11:21:33 -0800 |
|---|---|---|
| committer | Leroy P Leahy <leroy.p.leahy@intel.com> | 2016-02-05 22:57:03 +0100 |
| commit | 66decf16446eeb8d3b2da93d0b0086a583bc17bf (patch) | |
| tree | 040939e04a81a15e7f6aa3ffee9eff0cde5792cf /Documentation/Intel/Board | |
| parent | 7e0078b990b7b498391505fb5c492ff7ed8e54cb (diff) | |
Documentation: x86 Enable Serial Output
Document the steps necessary to enable serial output
TEST=None
Change-Id: Ifc0e700d7ef54fb1e28ca9bca34b94cccd3633ac
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/13444
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'Documentation/Intel/Board')
| -rw-r--r-- | Documentation/Intel/Board/board.html | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/Intel/Board/board.html b/Documentation/Intel/Board/board.html index 8de854b64f..d50ff4e74f 100644 --- a/Documentation/Intel/Board/board.html +++ b/Documentation/Intel/Board/board.html @@ -14,6 +14,7 @@ </p> <ol> <li><a href="#RequiredFiles">Required Files</a></li> + <li>Enable <a href="#SerialOutput">Serial Output</a></li> </ol> @@ -78,6 +79,30 @@ <hr> +<h1><a name="SerialOutput">Enable Serial Output</a></h1> +<p> + Use the following steps to enable serial output: +</p> +<ol> + <li>Implement the car_mainboard_pre_console_init routine in the com_init.c + file: + <ol type="A"> + <li>Power on and enable the UART controller</li> + <li>Connect the UART receive and transmit data lines to the + appropriate SoC pins + </li> + </ol> + </li> + <li>Add Makefile.inc + <ol type="A"> + <li>Add com_init.c to romstage</li> + </ol> + </li> +</ol> + + + +<hr> <p>Modified: 31 January 2016</p> </body> </html>
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