<p>Mario Scheithauer has uploaded this change for <strong>review</strong>.</p><p><a href="https://review.coreboot.org/28285">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">siemens/mc_apl1: Correct the Tx signal from SATA interface<br><br>Because of an incorrect transmit voltage swing, the signal must be<br>adjusted. The factor of slices for full swing level can be corrected via<br>the High Speed I/O Transmit Control Register 3.<br><br>Change-Id: I116802cd2a944658fc3022e948eba43cebe52bb4<br>Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com><br>---<br>M src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c<br>1 file changed, 6 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://review.coreboot.org:29418/coreboot refs/changes/85/28285/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c</span><br><span>index 540e322..773ca29 100644</span><br><span>--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c</span><br><span>+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c</span><br><span>@@ -47,6 +47,12 @@</span><br><span>   * INTA#->PIRQB#, INTB#->PIRQC#, INTC#->PIRQD#, INTD#-> PIRQA#</span><br><span>    */</span><br><span>  pcr_write16(PID_ITSS, 0x314c, 0x0321);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+      /*</span><br><span style="color: hsl(120, 100%, 40%);">+     * Correct the SATA transmit signal via the High Speed I/O Transmit</span><br><span style="color: hsl(120, 100%, 40%);">+    * Control Register 3.</span><br><span style="color: hsl(120, 100%, 40%);">+         */</span><br><span style="color: hsl(120, 100%, 40%);">+   pcr_rmw32(0xa5, 0xa8c, (0x00 << 16), (0x4a << 16));</span><br><span> }</span><br><span> </span><br><span> static void wait_for_legacy_dev(void *unused)</span><br><span></span><br></pre><p>To view, visit <a href="https://review.coreboot.org/28285">change 28285</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://review.coreboot.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://review.coreboot.org/28285"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: coreboot </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>
<div style="display:none"> Gerrit-Change-Id: I116802cd2a944658fc3022e948eba43cebe52bb4 </div>
<div style="display:none"> Gerrit-Change-Number: 28285 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Mario Scheithauer <mario.scheithauer@siemens.com> </div>