--- /dev/null
+# Copyright (C) ST-Ericsson SA 2011
+# Author : michel.jaouen@stericsson.com
+# U8500 target
+
+proc mmu_off {} {
+ set cp [arm mrc 15 0 1 0 0]
+ set cp [expr ($cp & ~1)]
+ arm mcr 15 0 1 0 0 $cp
+}
+
+proc mmu_on {} {
+ set cp [arm mrc 15 0 1 0 0]
+ set cp [expr ($cp | 1)]
+ arm mcr 15 0 1 0 0 $cp
+}
+
+proc ocd_gdb_restart {target_id} {
+ global _TARGETNAME_1
+ global _SMP
+ targets $_TARGETNAME_1
+ if { [expr ($_SMP == 1)] } {
+ cortex_a8 smp_off
+ }
+ rst_run
+ halt
+ if { [expr ($_SMP == 1)]} {
+ cortex_a8 smp_on
+ }
+}
+
+proc smp_reg {} {
+ global _TARGETNAME_1
+ global _TARGETNAME_2
+ targets $_TARGETNAME_1
+ echo "$_TARGETNAME_1"
+ set pc1 [reg pc]
+ set stck1 [reg sp_svc]
+ targets $_TARGETNAME_2
+ echo "$_TARGETNAME_1"
+ set pc2 [reg pc]
+ set stck2 [reg sp_svc]
+}
+
+
+proc u8500_tapenable {chip val} {
+ echo "JTAG tap enable $chip"
+}
+
+
+proc pwrsts { } {
+ global _CHIPNAME
+ irscan $_CHIPNAME.jrc 0x3a
+ drscan $_CHIPNAME.jrc 4 0
+ set pwrsts [drscan $_CHIPNAME.jrc 16 0]
+ echo "pwrsts ="$pwrsts
+ set a9 [expr (0x$pwrsts & 0xc)]
+ set ape [expr (0x$pwrsts & 0x3)]
+ if {[string equal "0" $ape]} {
+ echo "ape off"
+ } else {
+ echo "ape on"
+ }
+ echo "$a9"
+ switch $a9 {
+ 4 {
+ echo "A9 in retention"
+ }
+ 8 {
+ echo "A9 100% DVFS"
+ }
+ c {
+ echo "A9 50% DVFS"
+ }
+ }
+}
+
+proc poll_pwrsts { } {
+ global _CHIPNAME
+ set result 1
+ set i 0
+ irscan $_CHIPNAME.jrc 0x3a
+ drscan $_CHIPNAME.jrc 4 0
+ set pwrsts [drscan $_CHIPNAME.jrc 16 0]
+ set pwrsts [expr (0x$pwrsts & 0xc)]
+ while {[string equal "4" $pwrsts] && $i<20} {
+ irscan $_CHIPNAME.jrc 0x3a
+ drscan $_CHIPNAME.jrc 4 0;
+ set pwrsts [drscan $_CHIPNAME.jrc 16 0]
+ set pwrsts [expr (0x$pwrsts & 0xc)]
+ if {![string equal "4" $pwrsts]} {
+ set result 1
+ } else {
+ set result 0
+ sleep 200
+ echo "loop $i"
+ }
+ incr i
+ }
+ return $result
+}
+
+proc halt_ { } {
+ if {[poll_pwrsts]==1} {
+ halt
+ } else {
+ echo "halt failed : target in retention"
+ }
+}
+
+
+proc u8500_dapenable {chip} {
+}
+
+proc u8500_tapdisable {chip val} {
+ echo "JTAG tap disable $chip"
+}
+
+
+proc enable_apetap {} {
+ global _CHIPNAME
+ global _TARGETNAME_2
+ global _TARGETNAME_1
+ poll off
+ irscan $_CHIPNAME.jrc 0x3e
+ drscan $_CHIPNAME.jrc 8 0xcf
+ jtag tapenable $_CHIPNAME.dap
+ irscan $_CHIPNAME.jrc 0x6
+ drscan $_CHIPNAME.jrc 32 0
+ irscan $_CHIPNAME.jrc 0x6
+ drscan $_CHIPNAME.jrc 32 0
+ set status [$_TARGETNAME_1 curstate]
+ if {[string equal "unknown" $status]} {
+ $_TARGETNAME_1 arp_examine
+ }
+ set status [$_TARGETNAME_2 curstate]
+ if {[string equal "unknown" $status]} {
+ $_TARGETNAME_2 arp_examine
+ }
+ }
+
+tcl_port 5555
+telnet_port 4444
+gdb_port 3333
+
+if { [info exists CHIPNAME] } {
+global _CHIPNAME
+ set _CHIPNAME $CHIPNAME
+} else {
+global _CHIPNAME
+ set _CHIPNAME u8500
+}
+
+if { [info exists ENDIAN] } {
+ set _ENDIAN $ENDIAN
+} else {
+ # this defaults to a bigendian
+ set _ENDIAN little
+}
+
+
+
+# Subsidiary TAP: APE with scan chains for ARM Debug, EmbeddedICE-RT,
+if { [info exists CPUTAPID ] } {
+ set _CPUTAPID $CPUTAPID
+} else {
+ set _CPUTAPID 0x4ba00477
+}
+jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0xe -irmask 0xf -expected-id $_CPUTAPID -disable
+jtag configure $_CHIPNAME.dap -event tap-enable \
+ "u8500_dapenable $_CHIPNAME.dap"
+jtag configure $_CHIPNAME.dap -event tap-disable \
+ "u8500_tapdisable $_CHIPNAME.dap 0xc0"
+
+
+#CLTAPC TAP JRC equivalent
+if { [info exists CLTAPC_ID ] } {
+ set _CLTAPC_ID $CLTAPC_ID
+} else {
+ set _CLTAPC_ID 0x22286041
+}
+jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x6 -irmask 0xf -expected-id $_CLTAPC_ID -ignore-version
+
+
+if { ![info exists TARGETNAME_1 ] } {
+global _TARGETNAME_1
+set _TARGETNAME_1 $_CHIPNAME.cpu1
+} else {
+global _TARGETNAME_1
+set _TARGETNAME_1 $TARGETNAME_1
+}
+
+if { [info exists DAP_DBG1] } {
+ set _DAP_DBG1 $DAP_DBG1
+} else {
+ set _DAP_DBG1 0x801A8000
+}
+if { [info exists DAP_DBG2] } {
+ set _DAP_DBG2 $DAP_DBG2
+} else {
+ set _DAP_DBG2 0x801AA000
+}
+
+target create $_TARGETNAME_1 cortex_a8 -chain-position $_CHIPNAME.dap -dbgbase $_DAP_DBG1 -coreid 0
+
+$_TARGETNAME_1 configure -event gdb-attach {
+ halt
+}
+
+
+if { ![info exists TARGETNAME_2 ] } {
+global _TARGETNAME_2
+set _TARGETNAME_2 $_CHIPNAME.cpu2
+} else {
+global _TARGETNAME_2
+set _TARGETNAME_2 $TARGETNAME_2
+}
+
+target create $_TARGETNAME_2 cortex_a8 -chain-position $_CHIPNAME.dap -dbgbase $_DAP_DBG2 -coreid 1
+
+$_TARGETNAME_2 configure -event gdb-attach {
+ halt
+}
+
+
+if {![info exists SMP]} {
+global _SMP
+set _SMP 1
+} else {
+global _SMP
+set _SMP $SMP
+}
+global SMP
+if { $_SMP == 1} {
+target smp $_CHIPNAME.cpu2 $_CHIPNAME.cpu1
+}
+
+proc secsts1 { } {
+ global _CHIPNAME
+ irscan $_CHIPNAME.jrc 0x3a
+ drscan $_CHIPNAME.jrc 4 4
+ set secsts1 [drscan $_CHIPNAME.jrc 16 0]
+ echo "secsts1 ="$secsts1
+ set secsts1 [expr (0x$secsts1 & 0x4)]
+ if {![string equal "4" $secsts1]} {
+ echo "APE target secured"
+ } else {
+ echo "APE target not secured"
+ }
+}
+
+proc att { } {
+ global _CHIPNAME
+ jtag arp_init
+ irscan $_CHIPNAME.jrc 0x3a
+ drscan $_CHIPNAME.jrc 4 4
+ set secsts1 [drscan $_CHIPNAME.jrc 16 0]
+ echo "secsts1 ="$secsts1
+ set secsts1 [expr (0x$secsts1 & 0x4)]
+ if {[string equal "4" $secsts1]} {
+ if {[poll_pwrsts]==1} {
+ enable_apetap
+ } else {
+ echo "target in retention"
+ }
+ } else {
+ echo "target secured"
+ }
+}
+
+
+
+proc rst_run { } {
+ global _CHIPNAME
+ global _TARGETNAME_2
+ global _TARGETNAME_1
+ set status [$_TARGETNAME_1 curstate]
+ if {[string equal "halted" $status]} {
+ resume
+ targets $_TARGETNAME_1
+ }
+ set status [$_TARGETNAME_2 curstate]
+ if {[string equal "halted" $status]} {
+ resume
+ targets $_TARGETNAME_2
+ }
+ poll off
+ jtag arp_init
+ reset
+ sleep 20
+ irscan $_CHIPNAME.jrc 0x3a
+ drscan $_CHIPNAME.jrc 4 4
+ set secsts1 [drscan $_CHIPNAME.jrc 16 0]
+ echo "secsts1 ="$secsts1
+ set secsts1 [expr (0x$secsts1 & 0x4)]
+ while {![string equal "4" $secsts1]} {
+ irscan u8500.jrc 0x3a
+ drscan u8500.jrc 4 4
+ set secsts1 [drscan $_CHIPNAME.jrc 16 0]
+ echo "secsts1 ="$secsts1
+ set secsts1 [expr (0x$secsts1 & 0x4)]
+ }
+ echo "ape debugable"
+ enable_apetap
+ poll on
+ targets $_TARGETNAME_1
+ dap apsel 1
+}
+
+if {![info exists MAXSPEED]} {
+global _MAXSPEED
+set _MAXSPEED 15000
+} else {
+global _MAXSPEED
+set _MAXSPEED $MAXSPEED
+}
+global _MAXSPEED
+adapter_khz $_MAXSPEED
+
+
+gdb_breakpoint_override hard
+set mem inaccessible-by-default-off
+
+jtag_ntrst_delay 100
+reset_config trst_and_srst combined
+
+
projects / fw / openocd / blobdiff