This is an automated email from Gerrit.
"zapb <d...@zapb.de>" just uploaded a new patch set to Gerrit, which you can
find at https://review.openocd.org/c/openocd/+/8256
-- gerrit
commit 4d868e3d9894cead57b804b85fc25826f0c102f6
Author: Marc Schink <d...@zapb.de>
Date: Sun May 5 15:28:20 2024 +0200
tcl/target/nrf52: Configure trace port speed
Configure the TRACECONFIG.TRACEPORTSPEED register depending on the
trace clock speed. Also catch invalid trace clock speeds.
Change-Id: I1ece1cc59da539732d2d71f296fd55799c195387
Signed-off-by: Marc Schink <d...@zapb.de>
diff --git a/tcl/target/nrf52.cfg b/tcl/target/nrf52.cfg
index a9121d3561..078d34ad93 100644
--- a/tcl/target/nrf52.cfg
+++ b/tcl/target/nrf52.cfg
@@ -131,6 +131,24 @@ proc _proc_pre_enable_$_CHIPNAME.tpiu {_targetname
_chipname} {
0x52840 -
0x52833 -
0x52832 {
+ # Configuration values for all supported trace port
speeds, see
+ # TRACECONFIG.TRACEPORTSPEED
+ set trace_port_speeds {
+ 32000000 0
+ 16000000 1
+ 8000000 2
+ 4000000 3
+ }
+
+ set traceclk [$_chipname.tpiu cget -traceclk]
+
+ if { ![dict exists $trace_port_speeds $traceclk] } {
+ error "Trace clock speed is not supported"
+ }
+
+ # Set TRACECONFIG.TRACEPORTSPEED
+ mmw 0x4000055C [dict get $trace_port_speeds $traceclk]
0x3
+
if { [$_chipname.tpiu cget -protocol] eq "sync" } {
if { [$_chipname.tpiu cget -port-width] != 4 } {
error "Device only supports 4-bit sync
traces"
--
