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spl: lz4: Allow use of lz4 compression in SPL

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In some cases U-Boot is compressed and it is useful to be able to
decompress it in SPL. Add a Kconfig and Makefile change to allow this.
Note that this does not actually implement decompression.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2018-11-06 15:21:30 -07:00
parent c0126bd862
commit 048c6e8956
2 changed files with 9 additions and 1 deletions
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8
lib/Kconfig
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@ -301,6 +301,14 @@ config LZO
help
This enables support for LZO compression algorithm.r
config SPL_LZ4
bool "Enable LZ4 decompression support in SPL"
help
This enables support for tge LZ4 decompression algorithm in SPL. LZ4
is a lossless data compression algorithm that is focused on
fast compression and decompression speed. It belongs to the LZ77
family of byte-oriented compression schemes.
config SPL_LZO
bool "Enable LZO decompression support in SPL"
help

2
lib/Makefile
View File

@ -38,7 +38,6 @@ obj-$(CONFIG_IMAGE_SPARSE) += image-sparse.o
obj-y += initcall.o
obj-$(CONFIG_LMB) += lmb.o
obj-y += ldiv.o
obj-$(CONFIG_LZ4) += lz4_wrapper.o
obj-$(CONFIG_MD5) += md5.o
obj-y += net_utils.o
obj-$(CONFIG_PHYSMEM) += physmem.o
@ -64,6 +63,7 @@ obj-$(CONFIG_SHA256) += sha256.o
obj-$(CONFIG_$(SPL_)ZLIB) += zlib/
obj-$(CONFIG_$(SPL_)GZIP) += gunzip.o
obj-$(CONFIG_$(SPL_)LZO) += lzo/
obj-$(CONFIG_$(SPL_)LZ4) += lz4_wrapper.o
obj-$(CONFIG_LIBAVB) += libavb/