mips: optimize write code for speed

[fw/openocd] / tcl / target / ti_dm6446.cfg

diff --git a/tcl/target/ti_dm6446.cfg b/tcl/target/ti_dm6446.cfg
index e96c3e15f3910c0392bbb85bf0585d04f16163ee..4f100843b18a32957a92f2b0b1d012d9c42008df 100644 (file)
--- a/tcl/target/ti_dm6446.cfg
+++ b/tcl/target/ti_dm6446.cfg
@@ -1,23 +1,21 @@
 #
-# Texas Instruments DaVinci family:  TMS320DM6446
+# Texas Instruments DaVinci family: TMS320DM6446
 #
 if { [info exists CHIPNAME] } {
-   set  _CHIPNAME $CHIPNAME
+   set _CHIPNAME $CHIPNAME
 } else {
-   set  _CHIPNAME dm6446
+   set _CHIPNAME dm6446
 }
 
-#
-# For now, expect EMU0/EMU1 jumpered LOW (not TI's default) so ARM and ETB
-# are enabled without making ICEpick route ARM and ETB into the JTAG chain.
-# Override by setting EMU01 to "-disable".
-#
-# Also note:  when running without RTCK before the PLLs are set up, you
-# may need to slow the JTAG clock down quite a lot (under 2 MHz).
-#
+# TI boards default to EMU0/EMU1 *high* -- ARM and ETB are *disabled*
+# after JTAG reset until ICEpick is used to route them in.
+set EMU01 "-disable"
+
+# With EMU0/EMU1 jumpered *low* ARM and ETB are *enabled* without
+# needing any ICEpick interaction.
+#set EMU01 "-enable"
+
 source [find target/icepick.cfg]
-set EMU01 "-enable"
-#set EMU01 "-disable"
 
 # Subsidiary TAP: unknown ... must enable via ICEpick
 jtag newtap $_CHIPNAME unknown -irlen 8 -disable
@@ -30,7 +28,7 @@ jtag configure $_CHIPNAME.dsp -event tap-enable \
        "icepick_c_tapenable $_CHIPNAME.jrc 2"
 
 # Subsidiary TAP: ARM ETB11, with scan chain for 4K of ETM trace buffer
-if { [info exists ETB_TAPID ] } {
+if { [info exists ETB_TAPID] } {
    set _ETB_TAPID $ETB_TAPID
 } else {
    set _ETB_TAPID 0x2b900f0f
@@ -40,7 +38,7 @@ jtag configure $_CHIPNAME.etb -event tap-enable \
        "icepick_c_tapenable $_CHIPNAME.jrc 1"
 
 # Subsidiary TAP: ARM926ejs with scan chains for ARM Debug, EmbeddedICE-RT, ETM.
-if { [info exists CPU_TAPID ] } {
+if { [info exists CPU_TAPID] } {
    set _CPU_TAPID $CPU_TAPID
 } else {
    set _CPU_TAPID 0x07926001
@@ -50,14 +48,18 @@ jtag configure $_CHIPNAME.arm -event tap-enable \
        "icepick_c_tapenable $_CHIPNAME.jrc 0"
 
 # Primary TAP: ICEpick-C (JTAG route controller) and boundary scan
-if { [info exists JRC_TAPID ] } {
+if { [info exists JRC_TAPID] } {
    set _JRC_TAPID $JRC_TAPID
 } else {
    set _JRC_TAPID 0x0b70002f
 }
 jtag newtap $_CHIPNAME jrc -irlen 6 -irmask 0x3f -expected-id $_JRC_TAPID
 
-# GDB target:  the ARM, using SRAM1 for scratch.  SRAM0 (also 8K)
+jtag configure $_CHIPNAME.jrc -event setup \
+       "jtag tapenable $_CHIPNAME.etb; jtag tapenable $_CHIPNAME.arm"
+
+################
+# GDB target: the ARM, using SRAM1 for scratch.  SRAM0 (also 8K)
 # and the ETB memory (4K) are other options, while trace is unused.
 # Little-endian; use the OpenOCD default.
 set _TARGETNAME $_CHIPNAME.arm