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- Example for configuring multiple non-SMP Xtensa cores e.g. for heterogeneous debug - JTAG only at this time; DAP out of scope - Dual-Xtensa Palladium example via VDebug - Update Xtensa core config examples Signed-off-by: Ian Thompson <ianst@cadence.com> Change-Id: I6d2b3d13fa8075416dcd383cf256a3e8582ee1c1 Reviewed-on: https://review.openocd.org/c/openocd/+/8078 Tested-by: jenkins Reviewed-by: Jacek Wuwer <jacekmw8@gmail.com> Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
71 lines
2.1 KiB
INI
71 lines
2.1 KiB
INI
# SPDX-License-Identifier: GPL-2.0-or-later
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# Target Support for Xtensa Processors
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#
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set xtensa_ids { 0x120034e5 0x120134e5
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0x209034e5 0x209134e5 0x209234e5 0x209334e5 0x209434e5 0x209534e5 0x209634e5 0x209734e5
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0x20a034e5 0x20a134e5 0x20a234e5 0x20a334e5 0x20a434e5 0x20a534e5 0x20a634e5 0x20a734e5 0x20a834e5
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0x20b034e5 0x20b33ac5 0x20b33ac7 }
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set expected_xtensa_ids {}
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foreach i $xtensa_ids {
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lappend expected_xtensa_ids -expected-id $i
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}
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if { [info exists CHIPNAME] } {
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set _CHIPNAME $CHIPNAME
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} else {
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set _CHIPNAME xtensa
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}
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if { [info exists CPUTAPID] } {
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set _CPUTAPARGLIST "-expected-id $CPUTAPID"
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} else {
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set _CPUTAPARGLIST [join $expected_xtensa_ids]
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}
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if { [info exists XTENSA_NUM_CORES] } {
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set _XTENSA_NUM_CORES $XTENSA_NUM_CORES
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} else {
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set _XTENSA_NUM_CORES 1
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}
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set _TARGETNAME $_CHIPNAME
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set _CPU0NAME cpu
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set _TAPNAME $_CHIPNAME.$_CPU0NAME
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if { [info exists XTENSA_DAP] } {
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source [find target/swj-dp.tcl]
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# SWD mode ignores the -irlen parameter
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eval swj_newdap $_CHIPNAME cpu -irlen 4 $_CPUTAPARGLIST
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dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
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set _TARGETNAME $_CHIPNAME.cpu
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if { [info exists XTENSA_DAP_BASE] } {
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# Specify fixed offset for accessing XDM via APB behind a DAP interface
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target create $_TARGETNAME xtensa -dap $_CHIPNAME.dap -dbgbase $XTENSA_DAP_BASE
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} else {
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target create $_TARGETNAME xtensa -dap $_CHIPNAME.dap
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}
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} elseif { $_XTENSA_NUM_CORES > 1 } {
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# JTAG direct (without DAP)
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for {set i 0} {$i < $_XTENSA_NUM_CORES} {incr i} {
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set _LCPUNAME $_CPU0NAME$i
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set _LTAPNAME $_CHIPNAME.$_LCPUNAME
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eval jtag newtap $_CHIPNAME $_LCPUNAME -irlen 5 $_CPUTAPARGLIST
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target create $_LTAPNAME xtensa -chain-position $_LTAPNAME -coreid $i
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$_LTAPNAME configure -event reset-assert-post { soft_reset_halt }
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}
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} else {
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# JTAG direct (without DAP) - for legacy xtensa-config-XXX.cfg format
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eval jtag newtap $_CHIPNAME $_CPU0NAME -irlen 5 $_CPUTAPARGLIST
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target create $_TARGETNAME xtensa -chain-position $_TAPNAME
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}
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if { $_XTENSA_NUM_CORES == 1 } {
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# DAP and single-core legacy JTAG
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$_TARGETNAME configure -event reset-assert-post { soft_reset_halt }
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}
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gdb_report_register_access_error enable
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