| source [find target/swj-dp.tcl] |
| |
| set _CHIPNAME Sydney |
| set _ENDIAN little |
| # JTAG IDCODE register |
| set _CPUTAPID 0x0BA01477 |
| |
| swj_newdap $_CHIPNAME cpu -expected-id $_CPUTAPID -irlen 4 |
| |
| set _TARGETNAME $_CHIPNAME.cpu |
| dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu |
| target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap |
| $_TARGETNAME configure -work-area-backup 1 -work-area-phys 0x20010000 -work-area-size 128 |
| |
| set _RESET_HARD_ON_EXIT 0 |
| set _RESET_HARD_TIME 2000 |
| if {[info exists ::env(FTDI_RESET_HARD_TIME)]} { |
| set _RESET_HARD_TIME $::env(FTDI_RESET_HARD_TIME) |
| puts "_RESET_HARD_TIME set to $_RESET_HARD_TIME" |
| } |
| rename exit orig_exit |
| proc exit {} { |
| poll off |
| # Deassert syspwrupreq and dbgpwrupreq |
| $::_CHIPNAME.dap dpreg 4 0x00000041 |
| if {$::_RESET_HARD_ON_EXIT} { |
| set_reset |
| sleep $::_RESET_HARD_TIME |
| release_reset |
| } |
| orig_exit |
| } |
| |
| reset_config none |
| cortex_m reset_config sysresetreq |
| |
| proc reset_hard [list [list reset_time $_RESET_HARD_TIME] ] { |
| poll off |
| set_reset |
| sleep $reset_time |
| release_reset |
| sleep 100 |
| poll on |
| } |
| |
| proc polloff_n_reset_hard {} { |
| poll off |
| $::_CHIPNAME.dap dpreg 4 0x00000041 |
| set_reset |
| sleep $::_RESET_HARD_TIME |
| release_reset |
| } |
