tcl/target: add SPDX tag

[fw/openocd] / tcl / target / stm32h7x.cfg

diff --git a/tcl/target/stm32h7x.cfg b/tcl/target/stm32h7x.cfg
index 8258e50312784bc49756e8c1633afc204fa5644e..5aae93861909293c1ab4f67d8a86c66c24691506 100644 (file)
--- a/tcl/target/stm32h7x.cfg
+++ b/tcl/target/stm32h7x.cfg
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 # script for stm32h7x family
 
 #
@@ -77,6 +79,8 @@ if {![using_hla]} {
        # STM32H7 provides an APB-AP at access port 2, which allows the access to
        # the debug and trace features on the system APB System Debug Bus (APB-D).
        target create $_CHIPNAME.ap2 mem_ap -dap $_CHIPNAME.dap -ap-num 2
+       swo  create $_CHIPNAME.swo  -dap $_CHIPNAME.dap -ap-num 2 -baseaddr 0xE00E3000
+       tpiu create $_CHIPNAME.tpiu -dap $_CHIPNAME.dap -ap-num 2 -baseaddr 0xE00F5000
 }
 
 target create $_CHIPNAME.cpu0 cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap -ap-num 0
@@ -140,7 +144,7 @@ if {[using_jtag]} {
 # usage does not work with HLA, so is not done by default. That change could be
 # made in a local configuration file if connect_assert_srst mode is needed for
 # a specific application and a non-HLA adapter is in use.
-reset_config srst_only srst_nogate
+reset_config srst_nogate
 
 if {![using_hla]} {
    # if srst is not fitted use SYSRESETREQ to
@@ -178,13 +182,20 @@ $_CHIPNAME.cpu0 configure -event examine-end {
        stm32h7x_dbgmcu_mmw 0x03C 0x00000800 0
        # DBGMCU_APB4FZ1 |= WDGLSD1 | WDGLSD2
        stm32h7x_dbgmcu_mmw 0x054 0x000C0000 0
-}
 
-$_CHIPNAME.cpu0 configure -event trace-config {
-       # Set TRACECLKEN; TRACE_MODE is set to async; when using sync
-       # change this value accordingly to configure trace pins
-       # assignment
+       # Enable clock for tracing
+       # DBGMCU_CR |= TRACECLKEN
        stm32h7x_dbgmcu_mmw 0x004 0x00100000 0
+
+       # RM0399 (id 0x450) M7+M4 with SWO Funnel
+       # RM0433 (id 0x450) M7 with SWO Funnel
+       # RM0455 (id 0x480) M7 without SWO Funnel
+       # RM0468 (id 0x483) M7 without SWO Funnel
+       # Enable CM7 and CM4 slave ports in SWO trace Funnel
+       # Works ok also on devices single core and without SWO funnel
+       # Hack, use stm32h7x_dbgmcu_mmw with big offset to control SWTF
+       # SWTF_CTRL |= ENS0 | ENS1
+       stm32h7x_dbgmcu_mmw 0x3000 0x00000003 0
 }
 
 $_CHIPNAME.cpu0 configure -event reset-init {
@@ -199,7 +210,7 @@ proc stm32h7x_get_chipname {} {
        if {$sep == -1} {
                return $t
        }
-       return [string range $t 0 [expr $sep - 1]]
+       return [string range $t 0 [expr {$sep - 1}]]
 }
 
 if {[set $_CHIPNAME.DUAL_CORE]} {
@@ -223,15 +234,13 @@ if {[set $_CHIPNAME.DUAL_CORE]} {
 
 # like mrw, but with target selection
 proc stm32h7x_mrw {used_target reg} {
-       set value ""
-       $used_target mem2array value 32 $reg 1
-       return $value(0)
+       return [$used_target read_memory $reg 32 1]
 }
 
 # like mmw, but with target selection
 proc stm32h7x_mmw {used_target reg setbits clearbits} {
        set old [stm32h7x_mrw $used_target $reg]
-       set new [expr ($old & ~$clearbits) | $setbits]
+       set new [expr {($old & ~$clearbits) | $setbits}]
        $used_target mww $reg $new
 }
 
@@ -242,10 +251,10 @@ proc stm32h7x_dbgmcu_mmw {reg_offset setbits clearbits} {
        if {![using_hla]} {
                set _CHIPNAME [stm32h7x_get_chipname]
                set used_target $_CHIPNAME.ap2
-               set reg_addr [expr 0xE00E1000 + $reg_offset]
+               set reg_addr [expr {0xE00E1000 + $reg_offset}]
        } {
                set used_target [target current]
-               set reg_addr [expr 0x5C001000 + $reg_offset]
+               set reg_addr [expr {0x5C001000 + $reg_offset}]
        }
 
        stm32h7x_mmw $used_target $reg_addr $setbits $clearbits