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board: mimxrt1170_evk: fix linkserver support to debug RAM images

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- add ITCM definitions (for LinkServer) in board.cmake
- update of soc.c to support RAM images (stack pointer)
- doc update

Change applies to both versions of the MIMXRT1170 EVK

Signed-off-by: Yves Vandervennet <yves.vandervennet@nxp.com>
This commit is contained in:
Yves Vandervennet 2024-10-09 13:56:22 -05:00 • committed by Henrik Brix Andersen
commit adeeb10f4f
3 changed files with 19 additions and 7 deletions
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5
boards/nxp/mimxrt1170_evk/board.cmake
View file

@ -7,6 +7,9 @@
if(CONFIG_SOC_MIMXRT1176_CM7 OR CONFIG_SECOND_CORE_MCUX)
board_runner_args(pyocd "--target=mimxrt1170_cm7")
board_runner_args(jlink "--device=MIMXRT1176xxxA_M7" "--reset-after-load")
# ITCM is not defined in RT1170's LinkServer device file
board_runner_args(linkserver "--override=/device/memory/-=\{\"location\":\"0x00000000\",\
\"size\":\"0x00040000\",\"type\":\"RAM\"\}")
if(${BOARD_REVISION} STREQUAL "A")
board_runner_args(linkserver "--device=MIMXRT1176xxxxx:MIMXRT1170-EVK")
@ -27,6 +30,6 @@ elseif(CONFIG_SOC_MIMXRT1176_CM4)
board_runner_args(linkserver "--core=cm4")
endif()
include(${ZEPHYR_BASE}/boards/common/linkserver.board.cmake)
include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)
include(${ZEPHYR_BASE}/boards/common/linkserver.board.cmake)

5
boards/nxp/mimxrt1170_evk/doc/index.rst
View file

@ -362,11 +362,6 @@ EVK. See `Using J-Link with MIMXRT1170-EVKB`_ or
Using LinkServer
----------------
Known limitations with LinkServer and these boards include:
- ``west flash`` will not write images to non-flash locations. The flash
command only works when all data in the image is written to flash memory
regions.
Install the :ref:`linkserver-debug-host-tools` and make sure they are in your
search path. LinkServer works with the default CMSIS-DAP firmware included in
the on-board debugger.

16
soc/nxp/imxrt/imxrt11xx/soc.c
View file

@ -729,8 +729,22 @@ static int imxrt_init(void)
return 0;
}
/*
* Stack pointer is not set at this point in the early init, but we call C
* functions from the SOC reset.
* Set a stack pointer so that C functions will work correctly
*/
#ifdef CONFIG_SOC_RESET_HOOK
void soc_reset_hook(void)
__asm__ (
".global soc_reset_hook\n"
"soc_reset_hook:\n"
"ldr r0, =z_main_stack+"STRINGIFY(CONFIG_MAIN_STACK_SIZE)";\n"
"msr msp, r0;\n"
"b _soc_reset_hook;\n"
);
void __used _soc_reset_hook(void)
{
SystemInit();