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lib: fdt: Allow LZO and GZIP DT compression in U-Boot

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Add required Kconfig symbols, Makefile bits and macro fixes in a
few places to support LZO and DT compression in U-Boot. This can
save a lot of space with multi-DTB fitImages.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
This commit is contained in:
Marek Vasut
2019-03-08 16:06:55 +01:00
committed by Marek Vasut
parent 1fd303543a
commit 95f4bbd581
5 changed files with 86 additions and 5 deletions
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13
lib/Kconfig
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@@ -301,6 +301,19 @@ config LZO
help
This enables support for LZO compression algorithm.r
config GZIP
bool "Enable gzip decompression support for SPL build"
select ZLIB
default y
help
This enables support for GZIP compression algorithm.
config ZLIB
bool
default y
help
This enables ZLIB compression lib.
config SPL_LZ4
bool "Enable LZ4 decompression support in SPL"
help

2
lib/fdtdec.c
View File

@@ -1182,7 +1182,7 @@ int fdtdec_setup_memory_banksize(void)
CONFIG_IS_ENABLED(MULTI_DTB_FIT_LZO)
static int uncompress_blob(const void *src, ulong sz_src, void **dstp)
{
size_t sz_out = CONFIG_SPL_MULTI_DTB_FIT_UNCOMPRESS_SZ;
size_t sz_out = CONFIG_VAL(MULTI_DTB_FIT_UNCOMPRESS_SZ);
bool gzip = 0, lzo = 0;
ulong sz_in = sz_src;
void *dst;