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authorFranck Jullien <franck.jullien@gmail.com>2013-08-08 23:45:47 +0200
committerSpencer Oliver <spen@spen-soft.co.uk>2013-09-26 09:52:56 +0000
commit4e79b48e2c7e535ef21178a69788c15b571c72ff (patch)
treea3f340d856d4272e3545158ecdc3b32c9a910c73 /tcl/target
parentd19fafc8bdb30974e70bfc5a6ce63e7578b6e3b2 (diff)
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Add new target type: OpenRISC
Add support for OpenRISC target. This implementation supports the adv_debug_sys debug unit core. The mohor dbg_if is not supported. Support for mohor TAP core and Altera Virtual JTAG core are also provided. Change-Id: I3b1cfab1bbb28e497c4fca6ed1bd3a4362609b72 Signed-off-by: Franck Jullien <franck.jullien@gmail.com> Reviewed-on: http://openocd.zylin.com/1547 Tested-by: jenkins Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Diffstat (limited to 'tcl/target')
-rw-r--r--tcl/target/or1k.cfg53
1 files changed, 53 insertions, 0 deletions
diff --git a/tcl/target/or1k.cfg b/tcl/target/or1k.cfg
new file mode 100644
index 0000000..84514ef
--- /dev/null
+++ b/tcl/target/or1k.cfg
@@ -0,0 +1,53 @@
+set _ENDIAN big
+
+if { [info exists CHIPNAME] } {
+ set _CHIPNAME $CHIPNAME
+} else {
+ set _CHIPNAME or1k
+}
+
+if { [info exists TAP_TYPE] } {
+ set _TAP_TYPE $TAP_TYPE
+} else {
+ puts "You need to select a tap type"
+ shutdown
+}
+
+# Configure the target
+if { [string compare $_TAP_TYPE "VJTAG"] == 0 } {
+ if { [info exists FPGATAPID] } {
+ set _FPGATAPID $FPGATAPID
+ } else {
+ puts "You need to set your FPGA JTAG ID"
+ shutdown
+ }
+
+ jtag newtap $_CHIPNAME cpu -irlen 10 -expected-id $_FPGATAPID
+
+ set _TARGETNAME $_CHIPNAME.cpu
+ target create $_TARGETNAME or1k -endian $_ENDIAN -chain-position $_TARGETNAME
+
+ # Select the TAP core we are using
+ tap_select vjtag
+} else {
+ # OpenCores Mohor JTAG TAP ID
+ set _CPUTAPID 0x14951185
+
+ jtag newtap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
+
+ set _TARGETNAME $_CHIPNAME.cpu
+ target create $_TARGETNAME or1k -endian $_ENDIAN -chain-position $_TARGETNAME
+
+ # Select the TAP core we are using
+ tap_select mohor
+}
+
+# Select the debug unit core we are using. This debug unit as an option.
+
+proc ADBG_USE_HISPEED {} { return 1 }
+
+# If ADBG_USE_HISPEED is set (options bit 1), status bits will be skipped
+# on burst reads and writes to improve download speeds.
+# This option must match the RTL configured option.
+
+du_select adv [ADBG_USE_HISPEED]