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boards: mimxrt1170_evk: add support for loading M4 image from OCRAM

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Add support for loading M4 image from OCRAM when running with dual core
operation. The M7 core will copy the M4 image from flash into OCRAM, and
the M4 core will execute it there.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
This commit is contained in:
Daniel DeGrasse 2022-11-15 15:26:14 -06:00 • committed by Carles Cufí
commit be5296e307
3 changed files with 18 additions and 0 deletions
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16
boards/arm/mimxrt1170_evk/Kconfig.defconfig
View file

@ -11,9 +11,25 @@ config BOARD
choice CODE_LOCATION
default CODE_FLEXSPI if BOARD_MIMXRT1170_EVK_CM7
default CODE_OCRAM if BOARD_MIMXRT1170_EVK_CM4 && SECOND_CORE_MCUX
default CODE_SRAM0 if BOARD_MIMXRT1170_EVK_CM4
endchoice
if SECOND_CORE_MCUX && BOARD_MIMXRT1170_EVK_CM4
config BUILD_OUTPUT_INFO_HEADER
default y
DT_CHOSEN_IMAGE_M4 = nxp,m4-partition
# Adjust the offset of the output image if building for RT11xx SOC
config BUILD_OUTPUT_ADJUST_LMA
default "($(dt_chosen_reg_addr_hex,$(DT_CHOSEN_IMAGE_M4)) + \
$(dt_node_reg_addr_hex,/soc/spi@400cc000,1)) - \
$(dt_node_reg_addr_hex,/soc/ocram@20200000)"
endif
if DISK_DRIVERS
config IMX_USDHC_DAT3_PWR_TOGGLE

1
boards/arm/mimxrt1170_evk/mimxrt1170_evk_cm4.dts
View file

@ -26,6 +26,7 @@
zephyr,canbus = &flexcan2;
zephyr,flash-controller = &is25wp128;
zephyr,flash = &is25wp128;
nxp,m4-partition = &slot1_partition;
};
sdram0: memory@80000000 {

1
boards/arm/mimxrt1170_evk/mimxrt1170_evk_cm7.dts
View file

@ -30,6 +30,7 @@
zephyr,code-partition = &slot0_partition;
zephyr,display = &lcdif;
zephyr,keyboard-scan = &touch_controller;
zephyr,cpu1-region = &ocram;
};
sdram0: memory@80000000 {