1 # SPDX-License-Identifier: GPL-2.0-or-later
2 # Copyright (C) 2019-2021 Texas Instruments Incorporated - http://www.ti.com/
4 # Texas Instruments K3 devices:
5 # * AM654x: https://www.ti.com/lit/pdf/spruid7
6 # Has 4 ARMV8 Cores and 2 R5 Cores and an M3
7 # * J721E: https://www.ti.com/lit/pdf/spruil1
8 # Has 2 ARMV8 Cores and 6 R5 Cores and an M3
9 # * J7200: https://www.ti.com/lit/pdf/spruiu1
10 # Has 2 ARMV8 Cores and 4 R5 Cores and an M3
11 # * AM642: https://www.ti.com/lit/pdf/spruim2
12 # Has 2 ARMV8 Cores and 4 R5 Cores, M4F and an M3
15 if { [info exists SOC] } {
21 # set V8_SMP_DEBUG to non 0 value in board if you'd like to use SMP debug
22 if { [info exists V8_SMP_DEBUG] } {
23 set _v8_smp_debug $V8_SMP_DEBUG
30 # System Controller is the very first processor - all current SoCs have it.
31 set CM3_CTIBASE {0x3C016000}
33 # sysctrl power-ap unlock offsets
34 set _sysctrl_ap_unlock_offsets {0xf0 0x44}
36 # All the ARMV8s are the next processors.
37 # CL0,CORE0 CL0,CORE1 CL1,CORE0 CL1,CORE1
38 set ARMV8_DBGBASE {0x90410000 0x90510000 0x90810000 0x90910000}
39 set ARMV8_CTIBASE {0x90420000 0x90520000 0x90820000 0x90920000}
41 # And we add up the R5s
42 # (0)MCU 0 (1)MCU 1 (2)MAIN_0_0 (3)MAIN_0_1 (4)MAIN_1_0 (5)MAIN_1_1
43 set R5_DBGBASE {0x9d010000 0x9d012000 0x9d410000 0x9d412000 0x9d510000 0x9d512000}
44 set R5_CTIBASE {0x9d018000 0x9d019000 0x9d418000 0x9d419000 0x9d518000 0x9d519000}
45 set R5_NAMES {mcu_r5.0 mcu_r5.1 main0_r5.0 main0_r5.1 main1_r5.0 main1_r5.1}
47 # Finally an General Purpose(GP) MCU
48 set CM4_CTIBASE {0x20001000}
50 # General Purpose MCU (M4) may be present on some very few SoCs
52 # General Purpose MCU power-ap unlock offsets
53 set _gp_mcu_ap_unlock_offsets {0xf0 0x60}
55 # Set configuration overrides for each SOC
59 set _K3_DAP_TAPID 0x0bb5a02f
61 # AM654 has 2 clusters of 2 A53 cores each.
62 set _armv8_cpu_name a53
65 # AM654 has 1 cluster of 2 R5s cores.
67 set R5_NAMES {mcu_r5.0 mcu_r5.1}
69 # Sysctrl power-ap unlock offsets
70 set _sysctrl_ap_unlock_offsets {0xf0 0x50}
74 set _K3_DAP_TAPID 0x0bb3802f
76 # AM642 has 1 clusters of 2 A53 cores each.
77 set _armv8_cpu_name a53
79 set ARMV8_DBGBASE {0x90010000 0x90110000}
80 set ARMV8_CTIBASE {0x90020000 0x90120000}
82 # AM642 has 2 cluster of 2 R5s cores.
84 set R5_NAMES {main0_r5.0 main0_r5.1 main1_r5.0 main1_r5.1}
85 set R5_DBGBASE {0x9d410000 0x9d412000 0x9d510000 0x9d512000}
86 set R5_CTIBASE {0x9d418000 0x9d419000 0x9d518000 0x9d519000}
93 set _K3_DAP_TAPID 0x0bb6402f
94 # J721E has 1 cluster of 2 A72 cores.
95 set _armv8_cpu_name a72
98 # J721E has 3 clusters of 2 R5 cores each.
103 set _K3_DAP_TAPID 0x0bb6d02f
105 # J7200 has 1 cluster of 2 A72 cores.
106 set _armv8_cpu_name a72
109 # J7200 has 2 clusters of 2 R5 cores each.
111 set R5_DBGBASE {0x9d010000 0x9d012000 0x9d110000 0x9d112000}
112 set R5_CTIBASE {0x9d018000 0x9d019000 0x9d118000 0x9d119000}
115 set CM3_CTIBASE {0x20001000}
118 echo "'$_soc' is invalid!"
122 jtag newtap $_CHIPNAME cpu -irlen 4 -expected-id $_K3_DAP_TAPID -ignore-version
123 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
125 set _TARGETNAME $_CHIPNAME.cpu
127 set _CTINAME $_CHIPNAME.cti
129 # sysctrl is always present
130 cti create $_CTINAME.sysctrl -dap $_CHIPNAME.dap -ap-num 7 -baseaddr [lindex $CM3_CTIBASE 0]
131 target create $_TARGETNAME.sysctrl cortex_m -dap $_CHIPNAME.dap -ap-num 7 -defer-examine
132 $_TARGETNAME.sysctrl configure -event reset-assert { }
135 # To access sysctrl, we need to enable the JTAG access for the same.
136 # Ensure Power-AP unlocked
137 $::_CHIPNAME.dap apreg 3 [lindex $::_sysctrl_ap_unlock_offsets 0] 0x00190000
138 $::_CHIPNAME.dap apreg 3 [lindex $::_sysctrl_ap_unlock_offsets 1] 0x00102098
140 $::_TARGETNAME.sysctrl arp_examine
143 $_TARGETNAME.sysctrl configure -event gdb-attach {
145 # gdb-attach default rule
149 proc _cpu_no_smp_up {} {
150 set _current_target [target current]
151 set _current_type [$_current_target cget -type]
153 $_current_target arp_examine
154 $_current_target $_current_type dbginit
157 set _v8_smp_targets ""
159 for { set _core 0 } { $_core < $_armv8_cores } { incr _core } {
161 cti create $_CTINAME.$_armv8_cpu_name.$_core -dap $_CHIPNAME.dap -ap-num 1 \
162 -baseaddr [lindex $ARMV8_CTIBASE $_core]
164 target create $_TARGETNAME.$_armv8_cpu_name.$_core aarch64 -dap $_CHIPNAME.dap \
165 -dbgbase [lindex $ARMV8_DBGBASE $_core] -cti $_CTINAME.$_armv8_cpu_name.$_core -defer-examine
167 set _v8_smp_targets "$_v8_smp_targets $_TARGETNAME.$_armv8_cpu_name.$_core"
170 # Setup ARMV8 proc commands based on CPU to prevent people confusing SoCs
171 set _armv8_up_cmd "$_armv8_cpu_name"_up
172 # Available if V8_SMP_DEBUG is set to non-zero value
173 set _armv8_smp_cmd "$_armv8_cpu_name"_smp
175 if { $_v8_smp_debug == 0 } {
176 proc $_armv8_up_cmd { args } {
177 foreach { _core } [set args] {
178 $::_TARGETNAME.$::_armv8_cpu_name.$_core arp_examine
179 $::_TARGETNAME.$::_armv8_cpu_name.$_core aarch64 dbginit
183 proc $_armv8_smp_cmd { args } {
184 for { set _core 0 } { $_core < $::_armv8_cores } { incr _core } {
185 $::_TARGETNAME.$::_armv8_cpu_name.$_core arp_examine
186 $::_TARGETNAME.$::_armv8_cpu_name.$_core aarch64 dbginit
187 $::_TARGETNAME.$::_armv8_cpu_name.$_core aarch64 smp on
189 # Set Default target are core 0
190 targets $::_TARGETNAME.$::_armv8_cpu_name.0
194 target smp $:::_v8_smp_targets
197 for { set _core 0 } { $_core < $_r5_cores } { incr _core } {
198 set _r5_name [lindex $R5_NAMES $_core]
199 cti create $_CTINAME.$_r5_name -dap $_CHIPNAME.dap -ap-num 1 \
200 -baseaddr [lindex $R5_CTIBASE $_core]
202 # inactive core examination will fail - wait till startup of additional core
203 target create $_TARGETNAME.$_r5_name cortex_r4 -dap $_CHIPNAME.dap \
204 -dbgbase [lindex $R5_DBGBASE $_core] -ap-num 1 -defer-examine
206 $_TARGETNAME.$_r5_name configure -event gdb-attach {
208 # gdb-attach default rule
213 proc r5_up { args } {
214 foreach _core $args {
220 if { $_gp_mcu_cores != 0 } {
221 cti create $_CTINAME.gp_mcu -dap $_CHIPNAME.dap -ap-num 8 -baseaddr [lindex $CM4_CTIBASE 0]
222 target create $_TARGETNAME.gp_mcu cortex_m -dap $_CHIPNAME.dap -ap-num 8 -defer-examine
223 $_TARGETNAME.gp_mcu configure -event reset-assert { }
226 # To access GP MCU, we need to enable the JTAG access for the same.
227 # Ensure Power-AP unlocked
228 $::_CHIPNAME.dap apreg 3 [lindex $::_gp_mcu_ap_unlock_offsets 0] 0x00190000
229 $::_CHIPNAME.dap apreg 3 [lindex $::_gp_mcu_ap_unlock_offsets 1] 0x00102098
231 $::_TARGETNAME.gp_mcu arp_examine
234 $_TARGETNAME.gp_mcu configure -event gdb-attach {
236 # gdb-attach default rule