stm32mp1: add check for presence of environment in boot device

For boot from flash, check presence of default environment to force
save env.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Tested-by: Pierre-Jean Texier <pjtexier@koncepto.io>

diff --git a/include/configs/stm32mp1.h b/include/configs/stm32mp1.h
index 637f9bf5b0239ecaed66fc09e0126be510b7fcdf..ed01d4d9c22428be93d30a66745200da779e8baf 100644 (file)
--- a/include/configs/stm32mp1.h
+++ b/include/configs/stm32mp1.h
@@ -103,6 +103,7 @@
        "if test ${boot_device} = serial || test ${boot_device} = usb;" \
        "then stm32prog ${boot_device} ${boot_instance}; " \
        "else " \
+               "run env_check;" \
                "if test ${boot_device} = mmc;" \
                "then env set boot_targets \"mmc${boot_instance}\"; fi;" \
                "if test ${boot_device} = nand;" \
@@ -134,6 +135,9 @@
        "ramdisk_addr_r=0xc4400000\0" \
        "fdt_high=0xffffffff\0" \
        "initrd_high=0xffffffff\0" \
+       "env_default=1\0"                               \
+       "env_check=if test $env_default -eq 1;"\
+               " then env set env_default 0;env save;fi\0" \
        STM32MP_BOOTCMD \
        STM32MP_MTDPARTS \
        BOOTENV