ARM: stm32: Add update_sf script to install U-Boot into SF on DHSOM
Add script to read U-Boot from SD card and write it to matching locations in the SPI NOR, thus making the SPI NOR bootable. The script erases the entire SPI NOR, including U-Boot environment, to make sure the installation is clean. To retain environment from current running U-Boot, run 'saveenv' after running the 'update_sf' script. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Patrice Chotard <patrice.chotard@foss.st.com> Cc: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
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@ -9,7 +9,17 @@
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#define __CONFIG_STM32MP15_DH_DHSOM_H__
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#define STM32MP_BOARD_EXTRA_ENV \
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"usb_pgood_delay=1000\0"
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"usb_pgood_delay=1000\0" \
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"update_sf=" /* Erase SPI NOR and install U-Boot from SD */ \
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"setexpr loadaddr1 ${loadaddr} + 0x1000000 && " \
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"load mmc 0:4 ${loadaddr1} /boot/u-boot-spl.stm32 && " \
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"env set filesize1 ${filesize} && " \
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"load mmc 0:4 ${loadaddr} /boot/u-boot.itb && " \
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"sf probe && sf erase 0 0x200000 && " \
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"sf update ${loadaddr1} 0 ${filesize1} && " \
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"sf update ${loadaddr1} 0x40000 ${filesize1} && " \
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"sf update ${loadaddr} 0x80000 ${filesize} && " \
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"env set filesize1 && env set loadaddr1\0"
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#include <configs/stm32mp15_common.h>
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