Fix reset delays and tinker with ID's

tcl/target/pxa270.cfg

@@ -12,14 +12,19 @@ if { [info exists ENDIAN] } {
    set  _ENDIAN little
 }
 
-#IDs for pxa270. Choose one. Are there others?#
-#set CPUTAPID 0x79265013
-#set CPUTAPID 0x49265013
+#IDs for pxa270. Are there more?
 if { [info exists CPUTAPID ] } {
    set _CPUTAPID $CPUTAPID
 } else {
-  # force an error till we get a good number
-   set _CPUTAPID 0xffffffff
+  # set useful default
+   set _CPUTAPID 0x49265013
+}
+
+if { [info exists CPUTAPID2 ] } {
+   set _CPUTAPID2 $CPUTAPID2
+} else {
+  # set useful default
+   set _CPUTAPID2 0x79265013
 }
 
 
@@ -28,10 +33,10 @@ if { [info exists CPUTAPID ] } {
 jtag_nsrst_delay 260
 # set the jtag_ntrst_delay to the delay introduced by a reset circuit
 # the rest of the needed delays are built into the openocd program
-jtag_ntrst_delay 0
+jtag_ntrst_delay 250
 
 set _TARGETNAME $_CHIPNAME.cpu
-jtag newtap $_CHIPNAME cpu -irlen 7 -ircapture 0x1 -irmask 0x7f -expected-id $_CPUTAPID
+jtag newtap $_CHIPNAME cpu -irlen 7 -ircapture 0x1 -irmask 0x7f -expected-id $_CPUTAPID -expected-id $_CPUTAPID2
 
 target create $_TARGETNAME xscale -endian $_ENDIAN -chain-position $_TARGETNAME -variant pxa27x
 # maps to PXA internal RAM. If you are using a PXA255