tcl/board: add configuration for the avnet ultrazed-eg starter kit

also contains target configuration for the Xilinx UltraScale+
platform

Change-Id: I6300cbc85c1ed71df71d8aaca59500bbf18f0093
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/4467
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>

tcl/board/avnet_ultrazed-eg.cfg

@@ -0,0 +1,16 @@
+#
+# AVNET UltraZED EG StarterKit
+# UlraScale-EG plus IO Carrier with on-board digilent smt2
+#
+source [find interface/ftdi/digilent_jtag_smt2_nc.cfg]
+# jtag transport only
+transport select jtag
+# reset lines are not wired
+reset_config none
+
+# slow default clock
+adapter_khz 1000
+
+set CHIPNAME uscale
+
+source [find target/xilinx_ultrascale.cfg]

tcl/target/xilinx_ultrascale.cfg

@@ -0,0 +1,90 @@
+#
+# target configuration for
+# Xilinx UltraScale+
+#
+if { [info exists CHIPNAME] } {
+    set _CHIPNAME $CHIPNAME
+} else {
+    set _CHIPNAME uscale
+}
+
+#
+# DAP tap
+#
+if { [info exists DAP_TAPID] } {
+    set _DAP_TAPID $DAP_TAPID
+} else {
+    set _DAP_TAPID 0x5ba00477
+}
+
+jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_DAP_TAPID
+
+#
+# PS tap
+#
+if { [info exists PS_TAPID] } {
+    set _PS_TAPID $PS_TAPID
+} else {
+    set _PS_TAPID 0x04710093
+}
+
+set jtag_configured 0
+
+jtag newtap $_CHIPNAME ps -irlen 12 -ircapture 0x1 -irmask 0x03 -expected-id $_PS_TAPID
+
+jtag configure $_CHIPNAME.ps -event setup {
+    global _CHIPNAME
+    global jtag_configured
+
+    if { $jtag_configured == 0 } {
+        # add the DAP tap to the chain
+        # See https://forums.xilinx.com/t5/UltraScale-Architecture/JTAG-Chain-Configuration-for-Zynq-UltraScale-MPSoC/td-p/758924
+        irscan $_CHIPNAME.ps 0x824
+        drscan $_CHIPNAME.ps 32 0x00000003
+        runtest 100
+
+        # setup event will be re-entered through jtag arp_init
+        # break the recursion
+        set jtag_configured 1
+        # re-initialized the jtag chain
+        jtag arp_init
+    }
+}
+
+set _TARGETNAME $_CHIPNAME.a53
+set _CTINAME $_CHIPNAME.cti
+
+set DBGBASE {0x80410000 0x80510000 0x80610000 0x80710000}
+set CTIBASE {0x80420000 0x80520000 0x80620000 0x80720000}
+set _cores 4
+
+for { set _core 0 } { $_core < $_cores } { incr _core } {
+
+    cti create $_CTINAME.$_core -chain-position $_CHIPNAME.dap -ap-num 1 \
+        -ctibase [lindex $CTIBASE $_core]
+
+    set _command "target create $_TARGETNAME.$_core aarch64 -chain-position $_CHIPNAME.dap \
+        -dbgbase [lindex $DBGBASE $_core] -cti $_CTINAME.$_core"
+
+    if { $_core != 0 } {
+        # non-boot core examination may fail
+        set _command "$_command -defer-examine"
+        set _smp_command "$_smp_command $_TARGETNAME.$_core"
+    } else {
+        # uncomment when "hawt" rtos is merged
+        #set _command "$_command -rtos hawt"
+        set _smp_command "target smp $_TARGETNAME.$_core"
+    }
+
+    eval $_command
+}
+
+eval $_smp_command
+targets $_TARGETNAME.0
+
+proc core_up { args } {
+    global _TARGETNAME
+    foreach { core } [set args] {
+        $_TARGETNAME.$core arp_examine
+    }
+}