Kévin Redon has submitted this change and it was merged. ( 
https://gerrit.osmocom.org/13034 )

Change subject: PA11: Increase drive strength to 8mA
......................................................................

PA11: Increase drive strength to 8mA

It has been observed that the 20 MHz clock signal doesn't even remotely
resemble a square shape unless DRVSTR=1 is set using this patch.

Change-Id: I1366e13442eda829756aa4121be81eb15135c73e
---
M sysmoOCTSIM/main.c
1 file changed, 5 insertions(+), 0 deletions(-)

Approvals:
  Jenkins Builder: Verified
  Kévin Redon: Looks good to me, approved



diff --git a/sysmoOCTSIM/main.c b/sysmoOCTSIM/main.c
index 09d766e..50e82c6 100644
--- a/sysmoOCTSIM/main.c
+++ b/sysmoOCTSIM/main.c
@@ -18,6 +18,7 @@

 #include <parts.h>
 #include <hal_cache.h>
+#include <hri_port_e54.h>

 #include "atmel_start.h"
 #include "atmel_start_pins.h"
@@ -54,6 +55,10 @@

        cache_init();
        cache_enable(CMCC);
+
+       /* increase drive strength of 20Mhz SIM clock output to 8mA
+        * (there are 8 inputs + traces to drive!) */
+       hri_port_set_PINCFG_DRVSTR_bit(PORT, 0, 11);
 }

 int main(void)

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Gerrit-Project: osmo-ccid-firmware
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I1366e13442eda829756aa4121be81eb15135c73e
Gerrit-Change-Number: 13034
Gerrit-PatchSet: 2
Gerrit-Owner: Harald Welte <lafo...@gnumonks.org>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Kévin Redon <kre...@sysmocom.de>

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