From: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Date: Wed, 17 Feb 2021 23:35:48 +0000 (+0100)
Subject: tcl/target: add BCM2711 configuration file
X-Git-Tag: v0.12.0-rc1~869
X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=commitdiff_plain;h=06990a1a9e9ace74fc6e79a78b5405bb63cee6b0

tcl/target: add BCM2711 configuration file

The Broadcom BCM2711 used in Raspberry Pi 4
No documentation was found on Broadcom website
Partial information is available in raspberry pi website:
https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711/

Change-Id: I3db6c9af520af8ab4c21ad35ff0f2db28efc0325
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: http://openocd.zylin.com/6066
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
---

diff --git a/tcl/target/bcm2711.cfg b/tcl/target/bcm2711.cfg
new file mode 100644
index 0000000000..f8d2b3a65b
--- /dev/null
+++ b/tcl/target/bcm2711.cfg
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# The Broadcom BCM2711 used in Raspberry Pi 4
+# No documentation was found on Broadcom website
+
+# Partial information is available in raspberry pi website:
+# https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711/
+
+if { [info exists CHIPNAME] } {
+	set  _CHIPNAME $CHIPNAME
+} else {
+	set  _CHIPNAME bcm2711
+}
+
+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 {0x80410000 0x80510000 0x80610000 0x80710000}
+set _CTIBASE {0x80420000 0x80520000 0x80620000 0x80720000}
+
+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 $_CTINAME
+
+	set _smp_command "$_smp_command $_TARGETNAME"
+}
+
+if {$_USE_SMP} {
+	eval $_smp_command
+}
+
+# default target is cpu0
+targets $_CHIPNAME.cpu0