tcl/target, board: remove useless gdb-attach event definitions

[openocd.git] / tcl / target / stm32f7x.cfg

diff --git a/tcl/target/stm32f7x.cfg b/tcl/target/stm32f7x.cfg
index 562de30f6a1eb23e4f968351f733e93c591ea7a9..f6a44cc29947f015b6d14df11a5e9fb7ace5dd04 100755 (executable)
--- a/tcl/target/stm32f7x.cfg
+++ b/tcl/target/stm32f7x.cfg
@@ -58,13 +58,24 @@ if {[using_jtag]} {
  jtag_ntrst_delay 100
 }
 
-# use hardware reset, connect under reset
+# Use hardware reset.
+#
+# This target is compatible with connect_assert_srst, which may be set in a
+# board file.
 reset_config srst_only srst_nogate
 
 if {![using_hla]} {
    # if srst is not fitted use SYSRESETREQ to
    # perform a soft reset
    cortex_m reset_config sysresetreq
+
+   # Set CSW[27], which according to ARM ADI v5 appendix E1.4 maps to AHB signal
+   # HPROT[3], which according to AMBA AHB/ASB/APB specification chapter 3.7.3
+   # makes the data access cacheable. This allows reading and writing data in the
+   # CPU cache from the debugger, which is far more useful than going straight to
+   # RAM when operating on typical variables, and is generally no worse when
+   # operating on special memory locations.
+   $_CHIPNAME.dap apcsw 0x08000000 0x08000000
 }
 
 $_TARGETNAME configure -event examine-end {
@@ -145,3 +156,4 @@ $_TARGETNAME configure -event reset-start {
        # Reduce speed since CPU speed will slow down to 16MHz with the reset
        adapter_khz 2000
 }
+