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- # SPDX-License-Identifier: GPL-2.0-or-later
- #
- # target configuration for
- # Xilinx ZynqMP (UltraScale+ / A53)
- #
- if { [info exists CHIPNAME] } {
- set _CHIPNAME $CHIPNAME
- } else {
- set _CHIPNAME uscale
- }
- #
- # DAP tap (Quard core A53)
- #
- if { [info exists DAP_TAPID] } {
- set _DAP_TAPID $DAP_TAPID
- } else {
- set _DAP_TAPID 0x5ba00477
- }
- jtag newtap $_CHIPNAME tap -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_DAP_TAPID
- dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.tap
- #
- # PS tap (UltraScale+)
- #
- if { [info exists PS_TAPID] } {
- set _PS_TAPID $PS_TAPID
- jtag newtap $_CHIPNAME ps -irlen 12 -ircapture 0x1 -irmask 0x03 -expected-id $_PS_TAPID
- } else {
- # FPGA Programmable logic. Values take from Table 39-1 in UG1085:
- jtag newtap $_CHIPNAME ps -irlen 12 -ircapture 0x1 -irmask 0x03 -ignore-version \
- -expected-id 0x04711093 \
- -expected-id 0x04710093 \
- -expected-id 0x04721093 \
- -expected-id 0x04720093 \
- -expected-id 0x04739093 \
- -expected-id 0x04730093 \
- -expected-id 0x04738093 \
- -expected-id 0x04740093 \
- -expected-id 0x04750093 \
- -expected-id 0x04759093 \
- -expected-id 0x04758093
- }
- set jtag_configured 0
- jtag configure $_CHIPNAME.ps -event setup {
- global _CHIPNAME
- global jtag_configured
- if { $jtag_configured == 0 } {
- # add the DAP tap to the chain
- # See https://forums.xilinx.com/t5/UltraScale-Architecture/JTAG-Chain-Configuration-for-Zynq-UltraScale-MPSoC/td-p/758924
- irscan $_CHIPNAME.ps 0x824
- drscan $_CHIPNAME.ps 32 0x00000003
- runtest 100
- # setup event will be re-entered through jtag arp_init
- # break the recursion
- set jtag_configured 1
- # re-initialized the jtag chain
- jtag arp_init
- }
- }
- set _TARGETNAME $_CHIPNAME.a53
- set _CTINAME $_CHIPNAME.cti
- set _smp_command ""
- set DBGBASE {0x80410000 0x80510000 0x80610000 0x80710000}
- set CTIBASE {0x80420000 0x80520000 0x80620000 0x80720000}
- set _cores 4
- for { set _core 0 } { $_core < $_cores } { incr _core } {
- cti create $_CTINAME.$_core -dap $_CHIPNAME.dap -ap-num 1 \
- -baseaddr [lindex $CTIBASE $_core]
- set _command "target create $_TARGETNAME.$_core aarch64 -dap $_CHIPNAME.dap \
- -dbgbase [lindex $DBGBASE $_core] -cti $_CTINAME.$_core"
- if { $_core != 0 } {
- # non-boot core examination may fail
- set _command "$_command -defer-examine"
- set _smp_command "$_smp_command $_TARGETNAME.$_core"
- } else {
- set _command "$_command -rtos hwthread"
- set _smp_command "target smp $_TARGETNAME.$_core"
- }
- eval $_command
- }
- target create uscale.axi mem_ap -dap uscale.dap -ap-num 0
- eval $_smp_command
- targets $_TARGETNAME.0
- proc core_up { args } {
- global _TARGETNAME
- foreach core $args {
- $_TARGETNAME.$core arp_examine
- }
- }
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