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[ticmichals]

I'm trying to figure out how to create a new imx6.cfg file for a imx6sx The imx6sx has a M4 and A9.

I have jtag connected and get the following when using the imx6.cfg
openocd -f interface/ftdi/jtagkey.cfg -f ./tcl/target/imx6.cfg

nfo : auto-selecting first available session transport "jtag". To override use 'transport select <transport>'.
Warn : imx6.sdma: nonstandard IR value
adapter speed: 1000 kHz
adapter speed: 1000 kHz
Info : clock speed 1000 kHz
Info : JTAG tap: imx6.dap tap/device found: 0x4ba00477 (mfg: 0x23b, part: 0xba00, ver: 0x4)
Info : JTAG tap: imx6.sdma tap/device found: 0x4ba00477 (mfg: 0x23b, part: 0xba00, ver: 0x4)
Info : TAP imx6.sjc does not have IDCODE
Info : JTAG tap: auto0.tap tap/device found: 0x0891c01d (mfg: 0x00e, part: 0x891c, ver: 0x0)
Error: imx6.sdma: IR capture error; saw 0x01 not 0x00
Warn : Bypassing JTAG setup events due to errors
Warn : Invalid ACK 0x4 in JTAG-DP transaction
Warn : Invalid ACK 0x4 in JTAG-DP transaction

[ticmichals]

There are 4 taps:
SJC_0
SDMA_0
ARMCS-DP_0
Cortex-A9_0
ARMCS-DP_1
Cortex-M4_0

[ticmichals]

Here is what I have so far:

# Freescale i.MX6SX series single/dual/quad core processor

if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME imx6sx
}

# CoreSight Debug Access Port A9..
if { [info exists DAP_TAPID] } {
set _DAP_TAPID $DAP_TAPID
} else {
set _DAP_TAPID 0x4ba00477
}

jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0x01 -irmask 0x0f \
-expected-id $_DAP_TAPID

# SDMA / no IDCODE
jtag newtap $_CHIPNAME sdma -irlen 4 -ircapture 0x00 -irmask 0x0f

# System JTAG Controller
if { [info exists SJC_TAPID] } {
set _SJC_TAPID $SJC_TAPID
} else {
set _SJC_TAPID 0x0891c01d
}
#SDMA
set _SJC_TAPID2 0x2191c01d

#DAP for ARM Cortex A9
set _SJC_TAPID3 0x2191e01d

#ARM Cortex A9
set _SJC_TAPID4 0x1191c01d

#DAP for ARM M4
#?????
#ARM Cortex M4
#?????

#below needs to change to only use the M4 not A9
jtag newtap $_CHIPNAME sjc -irlen 5 -ircapture 0x01 -irmask 0x1f \
-expected-id $_SJC_TAPID -expected-id $_SJC_TAPID2 \
-expected-id $_SJC_TAPID3 -expected-id $_SJC_TAPID4

# GDB target: Cortex-A9, using DAP, configuring only one core
# Base addresses of cores:
# ARM Cortex -A9 - 0x82150000
# core 0 - 0x82152000



set _TARGETNAME $_CHIPNAME.cpu.0
#need to change this for M4..
target create $_TARGETNAME cortex_a -chain-position $_CHIPNAME.dap \
-coreid 0 -dbgbase 0x82150000

# some TCK cycles are required to activate the DEBUG power domain
jtag configure $_CHIPNAME.sjc -event post-reset "runtest 100"

proc imx6_dbginit {target} {
# General Cortex A8/A9 debug initialisation
cortex_a dbginit
}

# Slow speed to be sure it will work
adapter_khz 1000
$_TARGETNAME configure -event reset-start { adapter_khz 1000 }


proc imx6_dbginit {target} {
# General Cortex A8/A9 debug initialisation
cortex_a dbginit
}

# Slow speed to be sure it will work
adapter_khz 1000
$_TARGETNAME configure -event reset-start { adapter_khz 1000 }

$_TARGETNAME configure -event reset-assert-post "imx6_dbginit $_TARGETNAME"
$_TARGETNAME configure -event gdb-attach { halt }

[ticmichals]

OK did an auto probe and got the following:
Open On-Chip Debugger 0.10.0-dev-00023-g8590315 (2016-01-02-19:34)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
adapter speed: 1000 kHz
Info : auto-selecting first available session transport "jtag". To override use 'transport select <transport>'.
RCLK - adaptive
Info : RCLK (adaptive clock speed) not supported - fallback to 8 kHz
Warn : There are no enabled taps. AUTO PROBING MIGHT NOT WORK!!
Info : JTAG tap: auto0.tap tap/device found: 0x4ba00477 (mfg: 0x23b, part: 0xba00, ver: 0x4)
Info : JTAG tap: auto1.tap tap/device found: 0x4ba00477 (mfg: 0x23b, part: 0xba00, ver: 0x4)
Info : TAP auto2.tap does not have IDCODE
Info : JTAG tap: auto3.tap tap/device found: 0x0891c01d (mfg: 0x00e, part: 0x891c, ver: 0x0)
Warn : AUTO auto0.tap - use "jtag newtap auto0 tap -irlen 4 -expected-id 0x4ba00477"
Warn : AUTO auto1.tap - use "jtag newtap auto1 tap -irlen 8 -expected-id 0x4ba00477"
Warn : AUTO auto2.tap - use "jtag newtap auto2 tap -irlen 5 -expected-id 0x00000000"
Warn : AUTO auto3.tap - use "jtag newtap auto3 tap -irlen 2 -expected-id 0x0891c01d"
Error: auto3.tap: IR capture error; saw 0x0003 not 0x0001
Warn : Bypassing JTAG setup events due to errors
Warn : gdb services need one or more targets defined