diff options
| author | Tim Newsome <tim@sifive.com> | 2023-10-27 09:00:59 -0700 |
|---|---|---|
| committer | Tim Newsome <tim@sifive.com> | 2023-10-27 09:00:59 -0700 |
| commit | f02fe0960cca39024afbb6edbf27490cee3afb1d (patch) | |
| tree | 3427e34aa27e2340274f3d2855f697f70d492071 /tcl/cpld/jtagspi.cfg | |
| parent | 89260a5f1f76ef9490d602b004a862bd14681df5 (diff) | |
| parent | 9f23a1d7c1e27c556ef9787b9d3f263f5c1ecf24 (diff) | |
| download | riscv-openocd-f02fe0960cca39024afbb6edbf27490cee3afb1d.zip riscv-openocd-f02fe0960cca39024afbb6edbf27490cee3afb1d.tar.gz riscv-openocd-f02fe0960cca39024afbb6edbf27490cee3afb1d.tar.bz2 | |
Merge commit '9f23a1d7c1e27c556ef9787b9d3f263f5c1ecf24' into from_upstream
Conflicts:
HACKING
src/target/riscv/riscv-013.c
Change-Id: I43ccb143cae8daa39212d66a8824ae3ad2af6fef
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 } |