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ARM: stm32: Add update_sf script to install U-Boot into SF on DHSOM

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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>
This commit is contained in:
Marek Vasut 2021-11-13 03:25:13 +01:00 committed by Patrice Chotard
parent e8e66801bd
commit 44beea2845
1 changed files with 11 additions and 1 deletions
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12
include/configs/stm32mp15_dh_dhsom.h
View file

@ -9,7 +9,17 @@
#define __CONFIG_STM32MP15_DH_DHSOM_H__
#define STM32MP_BOARD_EXTRA_ENV \
"usb_pgood_delay=1000\0"
"usb_pgood_delay=1000\0" \
"update_sf=" /* Erase SPI NOR and install U-Boot from SD */ \
"setexpr loadaddr1 ${loadaddr} + 0x1000000 && " \
"load mmc 0:4 ${loadaddr1} /boot/u-boot-spl.stm32 && " \
"env set filesize1 ${filesize} && " \
"load mmc 0:4 ${loadaddr} /boot/u-boot.itb && " \
"sf probe && sf erase 0 0x200000 && " \
"sf update ${loadaddr1} 0 ${filesize1} && " \
"sf update ${loadaddr1} 0x40000 ${filesize1} && " \
"sf update ${loadaddr} 0x80000 ${filesize} && " \
"env set filesize1 && env set loadaddr1\0"
#include <configs/stm32mp15_common.h>