+source [find target/icepick.cfg]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
set _CHIPNAME am335x
}
-# This chip contains an IcePick-D JTAG router. The IcePick-C configuration is almost
-# compatible, but it doesn't work. For now, we will just embed the IcePick-D
-# routines here.
-proc icepick_d_tapenable {jrc port} {
- # select router
- irscan $jrc 7 -endstate IRPAUSE
- drscan $jrc 8 0x89 -endstate DRPAUSE
-
- # set ip control
- irscan $jrc 2 -endstate IRPAUSE
- drscan $jrc 32 [expr 0xa0002108 + ($port << 24)] -endstate DRPAUSE
-
- # for icepick_D
- irscan $jrc 2 -endstate IRPAUSE
- drscan $jrc 32 0xe0002008 -endstate DRPAUSE
-
- irscan $jrc 0x3F -endstate RUN/IDLE
- runtest 10
-}
-
#
# M3 DAP
#
#
# Main DAP
#
-if { [info exists DAP_TAPID ] } {
+if { [info exists DAP_TAPID] } {
set _DAP_TAPID $DAP_TAPID
} else {
set _DAP_TAPID 0x4b6b902f
#
# ICEpick-D (JTAG route controller)
#
-if { [info exists JRC_TAPID ] } {
+if { [info exists JRC_TAPID] } {
set _JRC_TAPID $JRC_TAPID
} else {
set _JRC_TAPID 0x0b94402f
}
-jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f -expected-id $_JRC_TAPID
+jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f -expected-id $_JRC_TAPID -ignore-version
jtag configure $_CHIPNAME.jrc -event setup "jtag tapenable $_CHIPNAME.dap"
# some TCK tycles are required to activate the DEBUG power domain
jtag configure $_CHIPNAME.jrc -event post-reset "runtest 100"
# Cortex A8 target
#
set _TARGETNAME $_CHIPNAME.cpu
-target create $_TARGETNAME cortex_a8 -chain-position $_CHIPNAME.dap -dbgbase 0x80001000
+target create $_TARGETNAME cortex_a -chain-position $_CHIPNAME.dap -dbgbase 0x80001000
# SRAM: 64K at 0x4030.0000; use the first 16K
$_TARGETNAME configure -work-area-phys 0x40300000 -work-area-size 0x4000
-
-$_TARGETNAME configure -event gdb-attach {
- cortex_a8 dbginit
- halt
-}
-