1 # SPDX-License-Identifier: GPL-2.0-or-later
5 if { [info exists JTAGSPI_IR] } {
6 set _JTAGSPI_IR $JTAGSPI_IR
7 } elseif {[info exists JTAGSPI_CHAIN_ID]} {
8 set _JTAGSPI_CHAIN_ID $JTAGSPI_CHAIN_ID
10 set _JTAGSPI_IR $_USER1
13 if { [info exists TARGETNAME] } {
14 set _TARGETNAME $TARGETNAME
16 set _TARGETNAME $_CHIPNAME.proxy
19 if { [info exists FLASHNAME] } {
20 set _FLASHNAME $FLASHNAME
22 set _FLASHNAME $_CHIPNAME.spi
25 target create $_TARGETNAME testee -chain-position $_CHIPNAME.tap
26 if { [info exists _JTAGSPI_IR] } {
27 flash bank $_FLASHNAME jtagspi 0 0 0 0 $_TARGETNAME $_JTAGSPI_IR
29 flash bank $_FLASHNAME jtagspi 0 0 0 0 $_TARGETNAME -pld $_JTAGSPI_CHAIN_ID
32 # initialize jtagspi flash
33 # chain_id: identifier of pld (you can get a list with 'pld devices')
34 # proxy_bit: file with bitstream connecting JTAG and SPI interface in the PLD.
35 # release_from_pwr_down_cmd: optional, command sent to spi flash before probing.
36 # ex: 0xAB to release from power-dowm.
37 # Just omit it to not send a command.
39 proc jtagspi_init {chain_id proxy_bit {release_from_pwr_down_cmd -1}} {
40 # load proxy bitstream $proxy_bit and probe spi flash
42 if { $proxy_bit ne "" } {
43 pld load $chain_id $proxy_bit
46 if {$release_from_pwr_down_cmd != -1} {
47 jtagspi cmd $_FLASHNAME 0 $release_from_pwr_down_cmd
49 flash probe $_FLASHNAME
52 proc jtagspi_program {bin addr} {
53 # write and verify binary file $bin at offset $addr
55 flash write_image erase $bin $addr
56 flash verify_bank $_FLASHNAME $bin $addr
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