blob: 04c910040b5b2c22cd85afa72c163ce47a380717 (
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def get_dtbs_from_kernel(dts_dir, dts_prefix):
import os
import glob
matches = []
for prefix in dts_prefix.split():
filenames = glob.glob(dts_dir + prefix + '*.dts')
filenames += glob.glob(dts_dir + prefix + '*.dtso')
for filename in filenames:
# Before v6.2 kernels DTB Overlays shared the same name as DTB files
# so we need to search the file to find the type
with open(filename) as f:
file_postfix = '.dtbo' if '/plugin/;' in f.read() else '.dtb'
filename = os.path.split(filename)[1]
filename = os.path.splitext(filename)[0] + file_postfix
filename = os.path.join(os.path.split(prefix)[0], filename)
matches.append(filename)
return ' '.join(matches)
def get_merge_dtbs_from_kernel(dts_dir, dts_pattern):
import os
matches = []
if dts_dir == "":
return ' '
for pattern in dts_pattern.split():
pattern_dir = os.path.split(pattern)[0]
pattern_target = os.path.split(pattern)[1].replace(".","-") + "s"
makefile = dts_dir + "/" + pattern_dir + "/Makefile"
if os.path.exists(makefile):
with open(makefile) as f:
if pattern_target in f.read():
matches.append(pattern)
return ' '.join(matches)
KERNEL_DEVICETREE_DTBMERGE ?= ""
KERNEL_DEVICETREE = " \
${@get_dtbs_from_kernel('${S}/arch/${ARCH}/boot/dts/', '${KERNEL_DEVICETREE_PREFIX}')} \
${@get_merge_dtbs_from_kernel('${S}/arch/${ARCH}/boot/dts/', '${KERNEL_DEVICETREE_DTBMERGE}')} \
"
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