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| author | Daniel Anselmi <danselmi@gmx.ch> | 2023-03-21 23:23:12 +0100 |
|---|---|---|
| committer | Antonio Borneo <borneo.antonio@gmail.com> | 2023-05-27 06:44:31 +0000 |
| commit | 78688fea984b69d1986b6b730ff2935668cc9208 (patch) | |
| tree | eb7974054e6ce0b1b9912a52d219fe19c778cca2 /tcl/cpld/jtagspi.cfg | |
| parent | 2dd34cbe0b6d8d485a63b039058085b7ceec70e6 (diff) | |
| download | riscv-openocd-78688fea984b69d1986b6b730ff2935668cc9208.zip riscv-openocd-78688fea984b69d1986b6b730ff2935668cc9208.tar.gz riscv-openocd-78688fea984b69d1986b6b730ff2935668cc9208.tar.bz2 | |
flash/jtagspi: sending command and setting parameters without probing.
Change-Id: I6b9d90265ca5112b9ab2aae97bb4c6cf3ebc4112
Signed-off-by: Daniel Anselmi <danselmi@gmx.ch>
Reviewed-on: https://review.openocd.org/c/openocd/+/7432
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Tested-by: jenkins
Diffstat (limited to 'tcl/cpld/jtagspi.cfg')
| -rw-r--r-- | tcl/cpld/jtagspi.cfg | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/tcl/cpld/jtagspi.cfg b/tcl/cpld/jtagspi.cfg index 7071e5e..4c84792 100644 --- a/tcl/cpld/jtagspi.cfg +++ b/tcl/cpld/jtagspi.cfg @@ -23,11 +23,21 @@ if { [info exists FLASHNAME] } { target create $_TARGETNAME testee -chain-position $_CHIPNAME.tap flash bank $_FLASHNAME jtagspi 0 0 0 0 $_TARGETNAME $_JTAGSPI_IR -proc jtagspi_init {chain_id proxy_bit} { +# 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 } |