diff options
Diffstat (limited to 'tcl/target/nrf52.cfg')
| -rw-r--r-- | tcl/target/nrf52.cfg | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/tcl/target/nrf52.cfg b/tcl/target/nrf52.cfg index 0c82c57..0703b18 100644 --- a/tcl/target/nrf52.cfg +++ b/tcl/target/nrf52.cfg @@ -131,10 +131,29 @@ proc _proc_pre_enable_$_CHIPNAME.tpiu {_targetname _chipname} { 0x52840 - 0x52833 - 0x52832 { + # Configuration values for all supported trace port speeds, see + # TRACECONFIG.TRACEPORTSPEED + set trace_port_speeds { + 32000000 0 + 16000000 1 + 8000000 2 + 4000000 3 + } + + # Note that trace port clock stands for what is referred to as + # TRACECLKIN in the Arm CoreSight documentation. + set trace_port_clock [$_chipname.tpiu cget -traceclk] + + if { ![dict exists $trace_port_speeds $trace_port_clock] } { + error "Trace clock speed is not supported" + } + + # Set TRACECONFIG.TRACEPORTSPEED + mmw 0x4000055C [dict get $trace_port_speeds $trace_port_clock] 0x3 + if { [$_chipname.tpiu cget -protocol] eq "sync" } { if { [$_chipname.tpiu cget -port-width] != 4 } { - echo "Error. Device only supports 4-bit sync traces." - return + error "Device only supports 4-bit sync traces" } # Set TRACECONFIG.TRACEMUX to enable synchronous trace @@ -154,12 +173,10 @@ proc _proc_pre_enable_$_CHIPNAME.tpiu {_targetname _chipname} { 0x52811 - 0x52810 - 0x52805 { - echo "Error: Device does not support TPIU" - return + error "Device does not support TPIU" } default { - echo "Error: Unknown device" - return + error "Unknown device, cannot configure TPIU" } } } |