75 lines
1.8 KiB
INI
75 lines
1.8 KiB
INI
# SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
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
|
|
|
|
} elseif { [string compare $_TAP_TYPE "XILINX_BSCAN"] == 0 } {
|
|
|
|
if { [info exists FPGATAPID] } {
|
|
set _FPGATAPID $FPGATAPID
|
|
} else {
|
|
puts "You need to set your FPGA JTAG ID"
|
|
shutdown
|
|
}
|
|
|
|
jtag newtap $_CHIPNAME cpu -irlen 6 -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 xilinx_bscan
|
|
} 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 $_TARGETNAME
|
|
|
|
# Select the TAP core we are using
|
|
tap_select mohor
|
|
}
|
|
|
|
# Select the debug unit core we are using. This debug unit as an option.
|
|
|
|
set ADBG_USE_HISPEED 1
|
|
set ENABLE_JSP_SERVER 2
|
|
set ENABLE_JSP_MULTI 4
|
|
|
|
# If ADBG_USE_HISPEED is set (options bit 1), status bits will be skipped
|
|
# on burst reads and writes to improve download speeds.
|
|
# This option must match the RTL configured option.
|
|
|
|
du_select adv [expr {$ADBG_USE_HISPEED | $ENABLE_JSP_SERVER | $ENABLE_JSP_MULTI}]
|