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New startup scripts for tunneling JTAG through BSCAN chain.

This commit is contained in:
Greg Savin 2019-01-14 16:44:42 -08:00
parent 63272806b3
commit 57b251bb46
2 changed files with 35 additions and 0 deletions
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28
tcl/board/sifive-e31arty-onboard-ftdi.cfg Normal file
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#
# Be sure you include the speed and interface before this file
# Example:
# -c "adapter_khz 5000" -f "interface/ftdi/arty-onboard-ftdi.cfg" -f "board/sifive-e31arty-onboard-ftdi.cfg"
set _CHIPNAME riscv
jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id 0x0362d093
# Arrange for bscan tunneling mode to become active after the JTAG chain is verified
jtag configure $_CHIPNAME.cpu -event setup {
ftdi_bscan_mode on
}
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME.0 riscv -chain-position $_TARGETNAME
$_TARGETNAME.0 configure -work-area-phys 0x80000000 -work-area-size 10000 -work-area-backup 1
flash bank spi0 fespi 0x40000000 0 0 0 $_TARGETNAME.0 0x20004000
init
if {[ info exists pulse_srst]} {
ftdi_set_signal nSRST 0
ftdi_set_signal nSRST z
}
halt
flash protect 0 64 last off
echo "Ready for Remote Connections"

7
tcl/interface/ftdi/arty-onboard-ftdi.cfg Normal file
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interface ftdi
# ftdi_device_desc "Arty On-board FTDI interface"
ftdi_vid_pid 0x0403 0x6010
ftdi_channel 0
ftdi_layout_init 0x0088 0x008b
reset_config none