tcl: add Zynq-7000 target and Zedboard board configs

Change-Id: Ia7f2a57d1b32dda9936ad87e22635f7749ff3ce1
Signed-off-by: Tim Sander <tim@krieglstein.org>
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2061
Tested-by: jenkins

tcl/board/digilent_zedboard.cfg

+#
+# Digilent Zedboard Rev.C, Rev.D with Xilinx Zynq chip
+#
+# http://zedboard.com/product/zedboard
+#
+
+source [find interface/ftdi/digilent_jtag_smt2.cfg]
+
+reset_config srst_only srst_push_pull
+
+source [find target/zynq_7000.cfg]

tcl/target/zynq_7000.cfg

+#
+# Xilinx Zynq-7000 All Programmable SoC
+#
+# http://www.xilinx.com/products/silicon-devices/soc/zynq-7000/index.htm
+#
+
+set _CHIPNAME zynq
+set _TARGETNAME $_CHIPNAME.cpu
+
+jtag newtap zynq_pl bs -irlen 6 -ircapture 0x1 -irmask 0x03 \
+    -expected-id 0x23727093 \
+    -expected-id 0x03727093
+
+jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id 0x4ba00477
+
+target create ${_TARGETNAME}0 cortex_a -chain-position $_CHIPNAME.dap \
+    -coreid 0 -dbgbase 0x80090000
+target create ${_TARGETNAME}1 cortex_a -chain-position $_CHIPNAME.dap \
+    -coreid 1 -dbgbase 0x80092000
+target smp ${_TARGETNAME}0 ${_TARGETNAME}1
+
+adapter_khz 1000
+
+${_TARGETNAME}0 configure -event reset-assert-post "cortex_a dbginit"
+${_TARGETNAME}1 configure -event reset-assert-post "cortex_a dbginit"