From cc9e3c2f7b04ba6da7e3b69161d78896c58503bd Mon Sep 17 00:00:00 2001 From: Anthony Ferranti Date: Wed, 1 Apr 2020 15:46:30 -0400 Subject: [PATCH] eMAG: Add Ampere eMAG config files Add board and target configuration files for Ampere eMAG8180 board and Ampere eMAG processor. Tested on an Ampere eMAG8180 development platform. Change-Id: I222653f0fc12d25202a7e469db3594076cbc38ed Signed-off-by: Anthony Ferranti Signed-off-by: Daniel Goehring Reviewed-on: http://openocd.zylin.com/5569 Tested-by: jenkins Reviewed-by: Antonio Borneo --- tcl/board/ampere_emag8180.cfg | 38 ++++++++++++ tcl/target/ampere_emag.cfg | 112 ++++++++++++++++++++++++++++++++++ 2 files changed, 150 insertions(+) create mode 100644 tcl/board/ampere_emag8180.cfg create mode 100644 tcl/target/ampere_emag.cfg diff --git a/tcl/board/ampere_emag8180.cfg b/tcl/board/ampere_emag8180.cfg new file mode 100644 index 000000000..a122e0288 --- /dev/null +++ b/tcl/board/ampere_emag8180.cfg @@ -0,0 +1,38 @@ +# +# OpenOCD Board Configuration for eMAG Development Platform +# +# Copyright (c) 2019-2021, Ampere Computing LLC +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; +# +# + +# +# Configure JTAG speed +# + +adapter speed 2000 + +# +# Configure Resets +# + +jtag_ntrst_delay 100 +reset_config trst_only + +# +# Configure Targets +# + +source [find target/ampere_emag.cfg] diff --git a/tcl/target/ampere_emag.cfg b/tcl/target/ampere_emag.cfg new file mode 100644 index 000000000..7115a839d --- /dev/null +++ b/tcl/target/ampere_emag.cfg @@ -0,0 +1,112 @@ +# +# OpenOCD Target Configuration for eMAG ARMv8 Processor +# +# Copyright (c) 2019-2021, Ampere Computing LLC +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; +# +# + +# +# Configure defaults for target +# Can be overriden in board configuration file +# + +if { [info exists CHIPNAME] } { + set _CHIPNAME $CHIPNAME +} else { + set _CHIPNAME emag +} + +if { [info exists NUMCORES] } { + set _NUMCORES $NUMCORES +} else { + set _NUMCORES 32 +} + +if { [info exists ENDIAN] } { + set _ENDIAN $ENDIAN +} else { + set _ENDIAN little +} + +if { [info exists CPUTAPID ] } { + set _CPUTAPID $CPUTAPID +} else { + set _CPUTAPID 0x4BA00477 +} + +# +# Configure JTAG TAP +# + +jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0x3 -expected-id $_CPUTAPID +set _TAPNAME $_CHIPNAME.cpu + +set _DAPNAME ${_TAPNAME}_dap +set _APNUM 1 +dap create $_DAPNAME -chain-position $_TAPNAME +$_DAPNAME apsel $_APNUM + +# Create the DAP AP0 MEM-AP AHB-AP target +target create AHB mem_ap -endian $_ENDIAN -dap $_DAPNAME -ap-num 0 + +# Create the DAP AP1 MEM-AP APB-AP target +target create APB mem_ap -endian $_ENDIAN -dap $_DAPNAME -ap-num 1 + +# +# Configure target CPUs +# + +# Build string used to enable smp mode +set _SMP_STR "target smp" + +for {set _i 0} {$_i < $_NUMCORES} {incr _i} { + # Format a string to reference which CPU target to use + set _TARGETNAME [format "${_TAPNAME}_%02d" $_i] + + # Create and configure Cross Trigger Interface (CTI) - required for halt and resume + set _CTINAME $_TARGETNAME.cti + cti create $_CTINAME -dap $_DAPNAME -ap-num $_APNUM -baseaddr [expr 0xFC020000 + ($_i << 20)] + + # Create the target + target create $_TARGETNAME aarch64 -endian $_ENDIAN -dap $_DAPNAME -ap-num $_APNUM -cti $_CTINAME -coreid $_i + set _SMP_STR "$_SMP_STR $_TARGETNAME" + + # Clear CTI output/input enables that are not configured by OpenOCD for aarch64 + $_TARGETNAME configure -event examine-start [subst { + $_CTINAME write INEN0 0x00000000 + $_CTINAME write INEN1 0x00000000 + $_CTINAME write INEN2 0x00000000 + $_CTINAME write INEN3 0x00000000 + $_CTINAME write INEN4 0x00000000 + $_CTINAME write INEN5 0x00000000 + $_CTINAME write INEN6 0x00000000 + $_CTINAME write INEN7 0x00000000 + $_CTINAME write INEN8 0x00000000 + + $_CTINAME write OUTEN2 0x00000000 + $_CTINAME write OUTEN3 0x00000000 + $_CTINAME write OUTEN4 0x00000000 + $_CTINAME write OUTEN5 0x00000000 + $_CTINAME write OUTEN6 0x00000000 + $_CTINAME write OUTEN7 0x00000000 + $_CTINAME write OUTEN8 0x00000000 + }] + + # Enable OpenOCD HWTHREAD RTOS feature for GDB thread (CPU) selection support + # This feature presents CPU cores ("hardware threads") in an SMP system as threads to GDB + $_TARGETNAME configure -rtos hwthread +} +eval $_SMP_STR