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# SPDX-License-Identifier: GPL-2.0-or-later
set _USER1 0x02
if { [info exists JTAGSPI_IR] } {
set _JTAGSPI_IR $JTAGSPI_IR
} else {
set _JTAGSPI_IR $_USER1
}
if { [info exists TARGETNAME] } {
set _TARGETNAME $TARGETNAME
} else {
set _TARGETNAME $_CHIPNAME.proxy
}
if { [info exists FLASHNAME] } {
set _FLASHNAME $FLASHNAME
} else {
set _FLASHNAME $_CHIPNAME.spi
}
target create $_TARGETNAME testee -chain-position $_CHIPNAME.tap
flash bank $_FLASHNAME jtagspi 0 0 0 0 $_TARGETNAME $_JTAGSPI_IR
# initialize jtagspi flash
# chain_id: identifier of pld (you can get a list with 'pld devices')
# proxy_bit: file with bitstream connecting JTAG and SPI interface in the PLD.
# release_from_pwr_down_cmd: optional, command sent to spi flash before probing.
# ex: 0xAB to release from power-dowm.
# Just omit it to not send a command.
proc jtagspi_init {chain_id proxy_bit {release_from_pwr_down_cmd -1}} {
# load proxy bitstream $proxy_bit and probe spi flash
global _FLASHNAME
pld load $chain_id $proxy_bit
reset halt
if {$release_from_pwr_down_cmd != -1} {
jtagspi cmd $_FLASHNAME 0 $release_from_pwr_down_cmd
}
flash probe $_FLASHNAME
}
proc jtagspi_program {bin addr} {
# write and verify binary file $bin at offset $addr
global _FLASHNAME
flash write_image erase $bin $addr
flash verify_bank $_FLASHNAME $bin $addr
}
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