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target: restructure dap support

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- add 'dap create' command to create dap instances
- move all dap subcmmand into the dap instance commands
- keep 'dap info' for convenience
- change all armv7 and armv8 targets to take a dap
  instance instead of a jtag chain position
- restructure tap/dap/target relations, jtag tap no
  longer references the dap, daps are now independently
  created and initialized.
- clean up swd connect
- re-initialize DAP also on JTAG errors (e.g. after reset,
  power cycle)
- update documentation
- update target files

Change-Id: I322cf3969b5407c25d1d3962f9d9b9bc1df067d9
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/4468
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
This commit is contained in:
Matthias Welwarsky
2018-03-23 21:17:29 +01:00
committed by Matthias Welwarsky
parent 7274090456
commit 2231da8ec4
88 changed files with 1056 additions and 498 deletions
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11
tcl/target/imx51.cfg
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@@ -13,11 +13,11 @@ if { [info exists DAP_TAPID] } {
set _DAP_TAPID 0x1ba00477
}
jtag newtap $_CHIPNAME DAP -irlen 4 -ircapture 0x1 -irmask 0xf \
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf \
-expected-id $_DAP_TAPID
# SDMA / no IDCODE
jtag newtap $_CHIPNAME SDMA -irlen 4 -ircapture 0x0 -irmask 0xf
jtag newtap $_CHIPNAME sdma -irlen 4 -ircapture 0x0 -irmask 0xf
# SJC
if { [info exists SJC_TAPID] } {
@@ -26,15 +26,16 @@ if { [info exists SJC_TAPID] } {
set _SJC_TAPID 0x0190c01d
}
jtag newtap $_CHIPNAME SJC -irlen 5 -ircapture 0x1 -irmask 0x1f \
jtag newtap $_CHIPNAME sjc -irlen 5 -ircapture 0x1 -irmask 0x1f \
-expected-id $_SJC_TAPID -ignore-version
# GDB target: Cortex-A8, using DAP
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_a -chain-position $_CHIPNAME.DAP
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
target create $_TARGETNAME cortex_a -dap $_CHIPNAME.dap
# some TCK tycles are required to activate the DEBUG power domain
jtag configure $_CHIPNAME.SJC -event post-reset "runtest 100"
jtag configure $_CHIPNAME.sjc -event post-reset "runtest 100"
proc imx51_dbginit {target} {
# General Cortex-A8 debug initialisation