tcl/target: Add unified config for Renesas R-Car Gen2 targets

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

diff --git a/tcl/target/atsamv.cfg b/tcl/target/atsamv.cfg
index d1f8454d52498f1d3422168b18550ff18874d968..4c136ead2114085770d8c59fdd32eb6ae2d71e0c 100644 (file)
--- a/tcl/target/atsamv.cfg
+++ b/tcl/target/atsamv.cfg
@@ -39,12 +39,20 @@ target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
 
 $_TARGETNAME configure -work-area-phys 0x20400000 -work-area-size $_WORKAREASIZE -work-area-backup 0
 
-adapter_khz 1800
+adapter speed 1800
 
 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
 }
 
 set _FLASHNAME $_CHIPNAME.flash