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# SPDX-License-Identifier: GPL-2.0-or-later
# Target Support for Xtensa Processors
#
set xtensa_ids { 0x120034e5 0x120134e5
0x209034e5 0x209134e5 0x209234e5 0x209334e5 0x209434e5 0x209534e5 0x209634e5 0x209734e5
0x20a034e5 0x20a134e5 0x20a234e5 0x20a334e5 0x20a434e5 0x20a534e5 0x20a634e5 0x20a734e5 0x20a834e5
0x20b034e5 0x20b33ac5 0x20b33ac7 }
set expected_xtensa_ids {}
foreach i $xtensa_ids {
lappend expected_xtensa_ids -expected-id $i
}
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME xtensa
}
if { [info exists CPUTAPID] } {
set _CPUTAPARGLIST "-expected-id $CPUTAPID"
} else {
set _CPUTAPARGLIST [join $expected_xtensa_ids]
}
if { [info exists XTENSA_NUM_CORES] } {
set _XTENSA_NUM_CORES $XTENSA_NUM_CORES
} else {
set _XTENSA_NUM_CORES 1
}
set _TARGETNAME $_CHIPNAME
set _CPU0NAME cpu
set _TAPNAME $_CHIPNAME.$_CPU0NAME
if { [info exists XTENSA_DAP] } {
source [find target/swj-dp.tcl]
# SWD mode ignores the -irlen parameter
eval swj_newdap $_CHIPNAME cpu -irlen 4 $_CPUTAPARGLIST
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
set _TARGETNAME $_CHIPNAME.cpu
if { [info exists XTENSA_DAP_BASE] } {
# Specify fixed offset for accessing XDM via APB behind a DAP interface
target create $_TARGETNAME xtensa -dap $_CHIPNAME.dap -dbgbase $XTENSA_DAP_BASE
} else {
target create $_TARGETNAME xtensa -dap $_CHIPNAME.dap
}
} elseif { $_XTENSA_NUM_CORES > 1 } {
# JTAG direct (without DAP)
for {set i 0} {$i < $_XTENSA_NUM_CORES} {incr i} {
set _LCPUNAME $_CPU0NAME$i
set _LTAPNAME $_CHIPNAME.$_LCPUNAME
eval jtag newtap $_CHIPNAME $_LCPUNAME -irlen 5 $_CPUTAPARGLIST
target create $_LTAPNAME xtensa -chain-position $_LTAPNAME -coreid $i
$_LTAPNAME configure -event reset-assert-post { soft_reset_halt }
}
} else {
# JTAG direct (without DAP) - for legacy xtensa-config-XXX.cfg format
eval jtag newtap $_CHIPNAME $_CPU0NAME -irlen 5 $_CPUTAPARGLIST
target create $_TARGETNAME xtensa -chain-position $_TAPNAME
}
if { $_XTENSA_NUM_CORES == 1 } {
# DAP and single-core legacy JTAG
$_TARGETNAME configure -event reset-assert-post { soft_reset_halt }
}
gdb_report_register_access_error enable
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