--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# This is the Broadcom chip used in the Raspberry Pi 3,
+# and in later models of the Raspberry Pi 2.
+
+# Partial information is available in raspberry pi website:
+# https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2837
+# https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2837b0
+
+if { [info exists CHIPNAME] } {
+ set _CHIPNAME $CHIPNAME
+} else {
+ set _CHIPNAME bcm2837
+}
+
+if { [info exists CHIPCORES] } {
+ set _cores $CHIPCORES
+} else {
+ set _cores 4
+}
+
+if { [info exists USE_SMP] } {
+ set _USE_SMP $USE_SMP
+} else {
+ set _USE_SMP 0
+}
+
+if { [info exists DAP_TAPID] } {
+ set _DAP_TAPID $DAP_TAPID
+} else {
+ set _DAP_TAPID 0x4ba00477
+}
+
+jtag newtap $_CHIPNAME cpu -expected-id $_DAP_TAPID -irlen 4
+adapter speed 4000
+
+dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
+
+# MEM-AP for direct access
+target create $_CHIPNAME.ap mem_ap -dap $_CHIPNAME.dap -ap-num 0
+
+# these addresses are obtained from the ROM table via 'dap info 0' command
+set _DBGBASE {0x80010000 0x80012000 0x80014000 0x80016000}
+set _CTIBASE {0x80018000 0x80019000 0x8001a000 0x8001b000}
+
+set _smp_command "target smp"
+
+for { set _core 0 } { $_core < $_cores } { incr _core } {
+ set _CTINAME $_CHIPNAME.cti$_core
+ set _TARGETNAME $_CHIPNAME.cpu$_core
+
+ cti create $_CTINAME -dap $_CHIPNAME.dap -ap-num 0 -baseaddr [lindex $_CTIBASE $_core]
+ target create $_TARGETNAME aarch64 -dap $_CHIPNAME.dap -ap-num 0 -dbgbase [lindex $_DBGBASE $_core] -cti $_CTINAME
+ $_TARGETNAME configure -event reset-assert-post { aarch64 dbginit }
+
+ set _smp_command "$_smp_command $_TARGETNAME"
+}
+
+if {$_USE_SMP} {
+ eval $_smp_command
+}
+
+# default target is cpu0
+targets $_CHIPNAME.cpu0