34 lines
887 B
Plaintext
34 lines
887 B
Plaintext
#
|
|
# U-Boot bootscript for NAND images created by Yocto.
|
|
#
|
|
|
|
# Back up environment variables
|
|
setenv ORIG_overlays ${overlays}
|
|
|
|
#
|
|
# Determine overlays to apply depending on the hardware capabilities
|
|
# described by the HWID, SOM version, and carrier board version.
|
|
#
|
|
setexpr module_has_wifi ${hwid_2} \& 20000
|
|
setexpr module_has_wifi ${module_has_wifi} / 20000
|
|
setexpr module_has_bt ${hwid_2} \& 40000
|
|
setexpr module_has_bt ${module_has_bt} / 40000
|
|
|
|
if test "${module_has_bt}" = "1" && test -z "${disable_bt}"; then
|
|
setenv overlays _ov_som_bt_ccmp13.dtbo,${overlays}
|
|
fi
|
|
|
|
if test "${module_has_wifi}" = "1" && test -z "${disable_wifi}"; then
|
|
setenv overlays _ov_som_wifi_ccmp13.dtbo,${overlays}
|
|
fi
|
|
|
|
dboot linux nand ${mtdbootpart}
|
|
|
|
|
|
|
|
# We only get here in case of an error on the dboot command.
|
|
|
|
# Undo changes to environment variables
|
|
setenv overlays ${ORIG_overlays}
|
|
setenv ORIG_overlays
|