tcl/target/u8500.cfg

   1 #  Copyright (C) ST-Ericsson SA 2011
   2 #  Author : michel.jaouen@stericsson.com
   3 #  U8500 target
   4
   5 proc mmu_off {} {
   6         set cp [arm mrc 15 0 1 0 0]
   7         set cp [expr ($cp & ~1)]
   8         arm mcr 15 0 1 0 0 $cp
   9 }
  10
  11 proc mmu_on {} {
  12         set cp [arm mrc 15 0 1 0 0]
  13         set cp [expr ($cp | 1)]
  14         arm mcr 15 0 1 0 0 $cp
  15 }
  16
  17 proc ocd_gdb_restart {target_id} {
  18     global  _TARGETNAME_1
  19         global _SMP
  20     targets $_TARGETNAME_1
  21         if { [expr ($_SMP == 1)] } {
  22         cortex_a8 smp_off
  23         }
  24         rst_run
  25         halt
  26         if { [expr ($_SMP == 1)]} {
  27         cortex_a8 smp_on
  28         }
  29 }
  30
  31 proc smp_reg {} {
  32         global  _TARGETNAME_1
  33     global  _TARGETNAME_2
  34     targets $_TARGETNAME_1
  35         echo "$_TARGETNAME_1"
  36         set pc1 [reg pc]
  37         set stck1 [reg sp_svc]
  38         targets  $_TARGETNAME_2
  39         echo "$_TARGETNAME_1"
  40         set pc2 [reg pc]
  41         set stck2 [reg sp_svc]
  42 }
  43
  44
  45 proc u8500_tapenable {chip val} {
  46         echo "JTAG tap enable $chip"
  47 }
  48
  49
  50 proc pwrsts { } {
  51         global _CHIPNAME
  52         irscan $_CHIPNAME.jrc 0x3a
  53         drscan $_CHIPNAME.jrc 4 0
  54         set pwrsts [drscan $_CHIPNAME.jrc 16 0]
  55     echo "pwrsts ="$pwrsts
  56     set a9 [expr (0x$pwrsts & 0xc)]
  57         set ape [expr (0x$pwrsts & 0x3)]
  58         if {[string equal "0" $ape]} {
  59                 echo "ape off"
  60         } else {
  61                 echo "ape on"
  62         }
  63         echo "$a9"
  64         switch $a9 {
  65                 4 {
  66                         echo "A9 in retention"
  67                   }
  68                 8 {
  69                         echo "A9 100% DVFS"
  70                   }
  71                 c {
  72                         echo "A9 50% DVFS"
  73                 }
  74         }
  75 }
  76
  77 proc poll_pwrsts { } {
  78         global _CHIPNAME
  79         set result 1
  80         set i 0
  81         irscan $_CHIPNAME.jrc 0x3a
  82         drscan $_CHIPNAME.jrc 4 0
  83         set pwrsts [drscan $_CHIPNAME.jrc 16 0]
  84         set pwrsts [expr (0x$pwrsts & 0xc)]
  85         while {[string equal "4" $pwrsts] && $i<20} {
  86                 irscan $_CHIPNAME.jrc 0x3a
  87                 drscan $_CHIPNAME.jrc 4 0;
  88                 set pwrsts [drscan $_CHIPNAME.jrc 16 0]
  89                 set pwrsts [expr (0x$pwrsts & 0xc)]
  90                 if {![string equal "4" $pwrsts]} {
  91                         set result 1
  92                 } else {
  93                         set result 0
  94                         sleep 200
  95                         echo "loop $i"
  96                 }
  97                 incr i
  98         }
  99         return $result
 100 }
 101
 102 proc halt_ { } {
 103         if {[poll_pwrsts]==1} {
 104                 halt
 105         } else {
 106                 echo "halt failed : target in retention"
 107         }
 108 }
 109
 110
 111 proc u8500_dapenable {chip} {
 112 }
 113
 114 proc u8500_tapdisable {chip val} {
 115         echo "JTAG tap disable $chip"
 116 }
 117
 118
 119 proc enable_apetap {} {
 120         global  _CHIPNAME
 121         global _TARGETNAME_2
 122     global _TARGETNAME_1
 123         poll off
 124         irscan $_CHIPNAME.jrc 0x3e
 125         drscan $_CHIPNAME.jrc 8 0xcf
 126         jtag tapenable $_CHIPNAME.dap
 127         irscan $_CHIPNAME.jrc 0x6
 128         drscan $_CHIPNAME.jrc 32 0
 129         irscan $_CHIPNAME.jrc 0x6
 130         drscan $_CHIPNAME.jrc 32 0
 131         set status [$_TARGETNAME_1 curstate]
 132     if {[string equal "unknown" $status]} {
 133         $_TARGETNAME_1 arp_examine
 134         }
 135         set status [$_TARGETNAME_2 curstate]
 136     if {[string equal "unknown" $status]} {
 137         $_TARGETNAME_2 arp_examine
 138         }
 139         }
 140
 141 tcl_port 5555
 142 telnet_port 4444
 143 gdb_port 3333
 144
 145 if { [info exists CHIPNAME] } {
 146 global _CHIPNAME
 147     set  _CHIPNAME $CHIPNAME
 148 } else {
 149 global _CHIPNAME
 150         set  _CHIPNAME u8500
 151 }
 152
 153 if { [info exists ENDIAN] } {
 154         set  _ENDIAN $ENDIAN
 155 } else {
 156  # this defaults to a bigendian
 157         set  _ENDIAN little
 158 }
 159
 160
 161
 162 # Subsidiary TAP: APE with scan chains for ARM Debug, EmbeddedICE-RT,
 163 if { [info exists CPUTAPID ] } {
 164    set _CPUTAPID $CPUTAPID
 165 } else {
 166         set _CPUTAPID 0x4ba00477
 167 }
 168 jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0xe -irmask 0xf -expected-id $_CPUTAPID -disable
 169 jtag configure $_CHIPNAME.dap -event tap-enable \
 170         "u8500_dapenable $_CHIPNAME.dap"
 171 jtag configure $_CHIPNAME.dap -event tap-disable \
 172         "u8500_tapdisable $_CHIPNAME.dap 0xc0"
 173
 174
 175 #CLTAPC TAP JRC equivalent
 176 if { [info exists CLTAPC_ID ] } {
 177    set _CLTAPC_ID $CLTAPC_ID
 178 } else {
 179    set _CLTAPC_ID 0x22286041
 180 }
 181 jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x6 -irmask 0xf -expected-id $_CLTAPC_ID -ignore-version
 182
 183
 184 if { ![info exists TARGETNAME_1 ] } {
 185 global  _TARGETNAME_1
 186 set _TARGETNAME_1 $_CHIPNAME.cpu1
 187 } else {
 188 global  _TARGETNAME_1
 189 set _TARGETNAME_1 $TARGETNAME_1
 190 }
 191
 192 if { [info exists  DAP_DBG1] } {
 193         set _DAP_DBG1 $DAP_DBG1
 194 } else {
 195         set _DAP_DBG1 0x801A8000
 196 }
 197 if { [info exists  DAP_DBG2] } {
 198         set _DAP_DBG2 $DAP_DBG2
 199 } else {
 200         set _DAP_DBG2 0x801AA000
 201 }
 202
 203 target create $_TARGETNAME_1 cortex_a8 -chain-position $_CHIPNAME.dap -dbgbase $_DAP_DBG1 -coreid 0
 204
 205 $_TARGETNAME_1 configure -event gdb-attach {
 206         halt
 207 }
 208
 209
 210 if { ![info exists TARGETNAME_2 ] } {
 211 global  _TARGETNAME_2
 212 set _TARGETNAME_2 $_CHIPNAME.cpu2
 213 } else {
 214 global  _TARGETNAME_2
 215 set _TARGETNAME_2 $TARGETNAME_2
 216 }
 217
 218 target create $_TARGETNAME_2 cortex_a8 -chain-position $_CHIPNAME.dap -dbgbase $_DAP_DBG2 -coreid 1
 219
 220 $_TARGETNAME_2 configure -event gdb-attach {
 221         halt
 222 }
 223
 224
 225 if {![info exists SMP]} {
 226 global _SMP
 227 set _SMP 1
 228 } else {
 229 global _SMP
 230 set _SMP $SMP
 231 }
 232 global SMP
 233 if { $_SMP == 1} {
 234 target smp $_CHIPNAME.cpu2 $_CHIPNAME.cpu1
 235 }
 236
 237 proc secsts1 { } {
 238         global _CHIPNAME
 239         irscan $_CHIPNAME.jrc 0x3a
 240                 drscan $_CHIPNAME.jrc 4 4
 241         set secsts1 [drscan $_CHIPNAME.jrc 16 0]
 242         echo "secsts1 ="$secsts1
 243         set secsts1 [expr (0x$secsts1 & 0x4)]
 244         if {![string equal "4" $secsts1]} {
 245         echo "APE target secured"
 246         } else {
 247         echo "APE target not secured"
 248         }
 249 }
 250
 251 proc att { } {
 252         global _CHIPNAME
 253         jtag arp_init
 254         irscan $_CHIPNAME.jrc 0x3a
 255         drscan $_CHIPNAME.jrc 4 4
 256         set secsts1 [drscan $_CHIPNAME.jrc 16 0]
 257         echo "secsts1 ="$secsts1
 258         set secsts1 [expr (0x$secsts1 & 0x4)]
 259         if {[string equal "4" $secsts1]} {
 260                 if {[poll_pwrsts]==1} {
 261                 enable_apetap
 262                 } else {
 263                 echo "target in retention"
 264                 }
 265         } else {
 266                 echo "target secured"
 267         }
 268 }
 269
 270
 271
 272 proc rst_run { } {
 273         global _CHIPNAME
 274         global _TARGETNAME_2
 275         global _TARGETNAME_1
 276         set status [$_TARGETNAME_1 curstate]
 277         if {[string equal "halted" $status]} {
 278         resume
 279         targets $_TARGETNAME_1
 280         }
 281     set status [$_TARGETNAME_2 curstate]
 282         if {[string equal "halted" $status]} {
 283         resume
 284         targets $_TARGETNAME_2
 285         }
 286         poll off
 287         jtag arp_init
 288         reset
 289         sleep 20
 290         irscan $_CHIPNAME.jrc 0x3a
 291         drscan $_CHIPNAME.jrc 4 4
 292         set secsts1 [drscan $_CHIPNAME.jrc 16 0]
 293         echo "secsts1 ="$secsts1
 294         set secsts1 [expr (0x$secsts1 & 0x4)]
 295         while {![string equal "4" $secsts1]} {
 296                 irscan u8500.jrc 0x3a
 297                 drscan u8500.jrc 4 4
 298                 set secsts1 [drscan $_CHIPNAME.jrc 16 0]
 299                 echo "secsts1 ="$secsts1
 300                 set secsts1 [expr (0x$secsts1 & 0x4)]
 301         }
 302         echo "ape debugable"
 303         enable_apetap
 304         poll on
 305         targets $_TARGETNAME_1
 306         dap apsel 1
 307 }
 308
 309 if {![info exists MAXSPEED]} {
 310 global _MAXSPEED
 311 set _MAXSPEED 15000
 312 } else {
 313 global _MAXSPEED
 314 set _MAXSPEED $MAXSPEED
 315 }
 316 global _MAXSPEED
 317 adapter_khz $_MAXSPEED
 318
 319
 320 gdb_breakpoint_override hard
 321 set mem inaccessible-by-default-off
 322
 323 jtag_ntrst_delay 100
 324 reset_config trst_and_srst combined
 325
 326