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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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