tcl/target/stm32l4x: switch to new TPIU/SWO support
authorMarkus Reiter <me@reitermark.us>
Sat, 16 Apr 2022 17:04:50 +0000 (19:04 +0200)
committerAntonio Borneo <borneo.antonio@gmail.com>
Sat, 23 Apr 2022 09:24:49 +0000 (09:24 +0000)
Change-Id: I3362fa7292eae7a3ba119cf6183f8bc4cbd5cbd4
Signed-off-by: Markus Reiter <me@reitermark.us>
Reviewed-on: https://review.openocd.org/c/openocd/+/6932
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
tcl/target/stm32l4x.cfg

index 103d741e2b73c7383389200433260ef986e99db8..dec2b2760eb7a78d3e6b8481d27eadd1ccdc1742 100644 (file)
@@ -38,6 +38,8 @@ if { [info exists CPUTAPID] } {
 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
 
+tpiu create $_CHIPNAME.tpiu -dap $_CHIPNAME.dap -ap-num 0 -baseaddr 0xE0040000
+
 if {[using_jtag]} {
    jtag newtap $_CHIPNAME bs -irlen 5
 }
@@ -88,6 +90,37 @@ if {![using_hla]} {
    cortex_m reset_config sysresetreq
 }
 
+proc proc_post_enable {_chipname} {
+       targets $_chipname.cpu
+
+       if { [$_chipname.tpiu cget -protocol] eq "sync" } {
+               switch [$_chipname.tpiu cget -port-width] {
+                       1 {
+                               mmw 0xE0042004 0x00000060 0x000000c0
+                               mmw 0x48001020 0x00000000 0x0000ff00
+                               mmw 0x48001000 0x000000a0 0x000000f0
+                               mmw 0x48001008 0x000000f0 0x00000000
+                         }
+                       2 {
+                               mmw 0xE0042004 0x000000a0 0x000000c0
+                               mmw 0x48001020 0x00000000 0x000fff00
+                               mmw 0x48001000 0x000002a0 0x000003f0
+                               mmw 0x48001008 0x000003f0 0x00000000
+                         }
+                       4 {
+                               mmw 0xE0042004 0x000000e0 0x000000c0
+                               mmw 0x48001020 0x00000000 0x0fffff00
+                               mmw 0x48001000 0x00002aa0 0x00003ff0
+                               mmw 0x48001008 0x00003ff0 0x00000000
+                         }
+               }
+       } else {
+               mmw 0xE0042004 0x00000020 0x000000c0
+       }
+}
+
+$_CHIPNAME.tpiu configure -event post-enable "proc_post_enable $_CHIPNAME"
+
 $_TARGETNAME configure -event reset-init {
        # CPU comes out of reset with MSI_ON | MSI_RDY | MSI Range 6 (4 MHz).
        # Use MSI 24 MHz clock, compliant even with VOS == 2.
@@ -111,10 +144,3 @@ $_TARGETNAME configure -event examine-end {
        # DBGMCU_APB1_FZ |= DBG_IWDG_STOP | DBG_WWDG_STOP
        mmw 0xE0042008 0x00001800 0
 }
-
-$_TARGETNAME configure -event trace-config {
-       # Set TRACE_IOEN; TRACE_MODE is set to async; when using sync
-       # change this value accordingly to configure trace pins
-       # assignment
-       mmw 0xE0042004 0x00000020 0
-}