tcl/target/str912.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 # script for str9
   4
   5 if { [info exists CHIPNAME] } {
   6    set _CHIPNAME $CHIPNAME
   7 } else {
   8    set _CHIPNAME str912
   9 }
  10
  11 if { [info exists ENDIAN] } {
  12    set _ENDIAN $ENDIAN
  13 } else {
  14    set _ENDIAN little
  15 }
  16
  17 # jtag speed. We need to stick to 16kHz until we've finished reset.
  18 adapter speed 16
  19
  20 adapter srst delay 100
  21 jtag_ntrst_delay 100
  22
  23 #use combined on interfaces or targets that can't set TRST/SRST separately
  24 reset_config trst_and_srst
  25
  26 if { [info exists FLASHTAPID] } {
  27    set _FLASHTAPID $FLASHTAPID
  28 } else {
  29    set _FLASHTAPID 0x04570041
  30 }
  31 jtag newtap $_CHIPNAME flash -irlen 8 -ircapture 0x1 -irmask 0x1 -expected-id $_FLASHTAPID
  32
  33 if { [info exists CPUTAPID] } {
  34    set _CPUTAPID $CPUTAPID
  35 } else {
  36    set _CPUTAPID 0x25966041
  37 }
  38 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  39
  40
  41 if { [info exists BSTAPID] } {
  42    set _BSTAPID $BSTAPID
  43 } else {
  44    # possible values: 0x1457f041, 0x2457f041
  45    # we ignore version in check below
  46    set _BSTAPID 0x1457f041
  47 }
  48 jtag newtap $_CHIPNAME bs -irlen 5 -ircapture 0x1 -irmask 0x1 -expected-id $_BSTAPID -ignore-version
  49
  50 set _TARGETNAME $_CHIPNAME.cpu
  51 target create $_TARGETNAME arm966e -endian $_ENDIAN -chain-position $_TARGETNAME
  52
  53 $_TARGETNAME configure -event reset-start { adapter speed 16 }
  54
  55 $_TARGETNAME configure -event reset-init {
  56         # We can increase speed now that we know the target is halted.
  57         #adapter speed 3000
  58
  59         # -- Enable 96K RAM
  60         # PFQBC enabled / DTCM & AHB wait-states disabled
  61         mww 0x5C002034 0x0191
  62
  63         str9x flash_config 0 4 2 0 0x80000
  64         flash protect 0 0 7 off
  65 }
  66
  67 $_TARGETNAME configure -work-area-phys 0x50000000 -work-area-size 16384 -work-area-backup 0
  68
  69 #flash bank str9x <base> <size> 0 0 <target#> <variant>
  70 set _FLASHNAME $_CHIPNAME.flash0
  71 flash bank $_FLASHNAME str9x 0x00000000 0x00080000 0 0 $_TARGETNAME
  72 set _FLASHNAME $_CHIPNAME.flash1
  73 flash bank $_FLASHNAME str9x 0x00080000 0x00008000 0 0 $_TARGETNAME