Commit 43309051 authored by Jan Kiszka's avatar Jan Kiszka Committed by Olivier Deprez
Browse files

rpi4: Fix documentation of armstub config entry


It's in fact mandatory. Seen with RPi firmware 1.20190925.
Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Change-Id: I80739b74f25817294adc52cfd26a3ec59c06f892
parent 2aa60e70
Showing with 4 additions and 5 deletions
+4 -5
...@@ -24,11 +24,10 @@ one universal binary (bl31.bin), which can be built with: ...@@ -24,11 +24,10 @@ one universal binary (bl31.bin), which can be built with:
CROSS_COMPILE=aarch64-linux-gnu- make PLAT=rpi4 DEBUG=1 CROSS_COMPILE=aarch64-linux-gnu- make PLAT=rpi4 DEBUG=1
Copy the generated build/rpi4/debug/bl31.bin to the SD card, either Copy the generated build/rpi4/debug/bl31.bin to the SD card, adding an entry
renaming it to ``armstub8.bin`` or adding an entry starting with ``armstub=``, starting with ``armstub=``, then followed by the respective file name to
then followed by the respective file name to ``config.txt``. ``config.txt``. You should have AArch64 code in the file loaded as the
You should have AArch64 code in the file loaded as the "kernel", as BL31 "kernel", as BL31 will drop into AArch64/EL2 to the respective load address.
will drop into AArch64/EL2 to the respective load address.
arm64 Linux kernels are known to work this way. arm64 Linux kernels are known to work this way.
Other options that should be set in ``config.txt`` to properly boot 64-bit Other options that should be set in ``config.txt`` to properly boot 64-bit
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