1 # SPDX-License-Identifier: GPL-2.0-or-later
3 # The Broadcom chip used in the Raspberry Pi 2 Model B
5 # Partial information is available in raspberry pi website:
6 # https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2836
8 if { [info exists CHIPNAME] } {
9 set _CHIPNAME $CHIPNAME
14 if { [info exists CHIPCORES] } {
20 if { [info exists USE_SMP] } {
26 if { [info exists DAP_TAPID] } {
27 set _DAP_TAPID $DAP_TAPID
29 set _DAP_TAPID 0x4ba00477
32 jtag newtap $_CHIPNAME cpu -expected-id $_DAP_TAPID -irlen 4
35 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
37 # MEM-AP for direct access
38 target create $_CHIPNAME.ap mem_ap -dap $_CHIPNAME.dap -ap-num 0
40 # these addresses are obtained from the ROM table via 'dap info 0' command
41 set _DBGBASE {0x80010000 0x80012000 0x80014000 0x80016000}
43 set _smp_command "target smp"
45 for { set _core 0 } { $_core < $_cores } { incr _core } {
46 set _TARGETNAME $_CHIPNAME.cpu$_core
48 target create $_TARGETNAME cortex_a -dap $_CHIPNAME.dap -coreid $_core -dbgbase [lindex $_DBGBASE $_core]
49 $_TARGETNAME configure -event reset-assert-post { cortex_a dbginit }
51 set _smp_command "$_smp_command $_CHIPNAME.cpu$_core"
58 # default target is cpu0
59 targets $_CHIPNAME.cpu0
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