tcl/target/esp32.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2 #
   3 # The ESP32 only supports JTAG.
   4 transport select jtag
   5
   6 if { [info exists CHIPNAME] } {
   7         set _CHIPNAME $CHIPNAME
   8 } else {
   9         set _CHIPNAME esp32
  10 }
  11
  12 if { [info exists CPUTAPID] } {
  13         set _CPUTAPID $CPUTAPID
  14 } else {
  15         set _CPUTAPID 0x120034e5
  16 }
  17
  18 if { [info exists ESP32_ONLYCPU] } {
  19         set _ONLYCPU $ESP32_ONLYCPU
  20 } else {
  21         set _ONLYCPU 2
  22 }
  23
  24 if { [info exists ESP32_FLASH_VOLTAGE] } {
  25         set _FLASH_VOLTAGE $ESP32_FLASH_VOLTAGE
  26 } else {
  27         set _FLASH_VOLTAGE 3.3
  28 }
  29
  30 set _CPU0NAME cpu0
  31 set _CPU1NAME cpu1
  32 set _TARGETNAME_0 $_CHIPNAME.$_CPU0NAME
  33 set _TARGETNAME_1 $_CHIPNAME.$_CPU1NAME
  34
  35 jtag newtap $_CHIPNAME $_CPU0NAME -irlen 5 -expected-id $_CPUTAPID
  36 if { $_ONLYCPU != 1 } {
  37         jtag newtap $_CHIPNAME $_CPU1NAME -irlen 5 -expected-id $_CPUTAPID
  38 } else {
  39         jtag newtap $_CHIPNAME $_CPU1NAME -irlen 5 -disable -expected-id $_CPUTAPID
  40 }
  41
  42 # PRO-CPU
  43 target create $_TARGETNAME_0 $_CHIPNAME -endian little -chain-position $_TARGETNAME_0 -coreid 0
  44 # APP-CPU
  45 if { $_ONLYCPU != 1 } {
  46         target create $_TARGETNAME_1 $_CHIPNAME -endian little -chain-position $_TARGETNAME_1 -coreid 1
  47         target smp $_TARGETNAME_0 $_TARGETNAME_1
  48 }
  49
  50 $_TARGETNAME_0 esp32 flashbootstrap $_FLASH_VOLTAGE
  51 $_TARGETNAME_0 xtensa maskisr on
  52 $_TARGETNAME_0 xtensa smpbreak BreakIn BreakOut
  53 $_TARGETNAME_0 configure -event reset-assert-post { soft_reset_halt }
  54
  55 $_TARGETNAME_0 configure -event gdb-attach {
  56         $_TARGETNAME_0 xtensa smpbreak BreakIn BreakOut
  57         # necessary to auto-probe flash bank when GDB is connected
  58         halt 1000
  59 }
  60
  61 if { $_ONLYCPU != 1 } {
  62         $_TARGETNAME_1 configure -event gdb-attach {
  63                 $_TARGETNAME_1 xtensa smpbreak BreakIn BreakOut
  64                 # necessary to auto-probe flash bank when GDB is connected
  65                 halt 1000
  66         }
  67         $_TARGETNAME_1 configure -event reset-assert-post { soft_reset_halt }
  68 }
  69
  70 gdb_breakpoint_override hard