Merge patch series "vbe: Series part E"

Simon Glass <[email protected]> says:

This includes various patches towards implementing the VBE abrec
bootmeth in U-Boot. It mostly focuses on SPL tweaks and adjusting what
fatures are available in VPL.

Link: https://lore.kernel.org/r/[email protected]

3 files changed, 65 insertions, 6 deletions

diff --git a/lib/Kconfig b/lib/Kconfig
index 0b089814d14..8f1a96d98c4 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -728,6 +728,24 @@ config SPL_CRC8
 	  checksum with feedback to produce an 8-bit result. The code is small
 	  and it does not require a lookup table (unlike CRC32).
 
+config TPL_CRC8
+	bool "Support CRC8 in TPL"
+	depends on TPL
+	help
+	  Enables CRC8 support in TPL. This is not normally required. CRC8 is
+	  a simple and fast checksumming algorithm which does a bytewise
+	  checksum with feedback to produce an 8-bit result. The code is small
+	  and it does not require a lookup table (unlike CRC32).
+
+config VPL_CRC8
+	bool "Support CRC8 in VPL"
+	depends on VPL
+	help
+	  Enables CRC8 support in VPL. This is not normally required. CRC8 is
+	  a simple and fast checksumming algorithm which does a bytewise
+	  checksum with feedback to produce an 8-bit result. The code is small
+	  and it does not require a lookup table (unlike CRC32).
+
 config SPL_CRC16
 	bool "Support CRC16 in SPL"
 	depends on SPL
@@ -841,12 +859,36 @@ config SPL_LZ4
 	  fast compression and decompression speed. It belongs to the LZ77
 	  family of byte-oriented compression schemes.
 
+config TPL_LZ4
+	bool "Enable LZ4 decompression support in TPL"
+	depends on TPL
+	help
+	  This enables support for the LZ4 decompression algorithm in TPL. 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 VPL_LZ4
+	bool "Enable LZ4 decompression support in VPL"
+	depends on VPL
+	help
+	  This enables support for the LZ4 decompression algorithm in VPL. 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_LZMA
 	bool "Enable LZMA decompression support for SPL build"
 	depends on SPL
 	help
 	  This enables support for LZMA compression algorithm for SPL boot.
 
+config TPL_LZMA
+	bool "Enable LZMA decompression support for TPL build"
+	depends on TPL
+	help
+	  This enables support for LZMA compression algorithm for TPL boot.
+
 config VPL_LZMA
 	bool "Enable LZMA decompression support for VPL build"
 	default y if LZMA
@@ -865,11 +907,22 @@ config SPL_GZIP
 	help
 	  This enables support for the GZIP compression algorithm for SPL boot.
 
+config TPL_GZIP
+	bool "Enable gzip decompression support for SPL build"
+	select TPL_ZLIB
+	help
+	  This enables support for the GZIP compression algorithm for TPL
+
 config SPL_ZLIB
 	bool
 	help
 	  This enables compression lib for SPL boot.
 
+config TPL_ZLIB
+	bool
+	help
+	  This enables compression lib for TPL
+
 config SPL_ZSTD
 	bool "Enable Zstandard decompression support in SPL"
 	depends on SPL
diff --git a/lib/Makefile b/lib/Makefile
index d24ed629732..5cb3278d2ef 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -83,12 +83,12 @@ obj-$(CONFIG_$(XPL_)SHA512_LEGACY) += sha512.o
 obj-$(CONFIG_CRYPT_PW) += crypt/
 obj-$(CONFIG_$(XPL_)ASN1_DECODER_LEGACY) += asn1_decoder.o
 
-obj-$(CONFIG_$(XPL_)ZLIB) += zlib/
-obj-$(CONFIG_$(XPL_)ZSTD) += zstd/
-obj-$(CONFIG_$(XPL_)GZIP) += gunzip.o
-obj-$(CONFIG_$(XPL_)LZO) += lzo/
-obj-$(CONFIG_$(XPL_)LZMA) += lzma/
-obj-$(CONFIG_$(XPL_)LZ4) += lz4_wrapper.o
+obj-$(CONFIG_$(PHASE_)ZLIB) += zlib/
+obj-$(CONFIG_$(PHASE_)ZSTD) += zstd/
+obj-$(CONFIG_$(PHASE_)GZIP) += gunzip.o
+obj-$(CONFIG_$(PHASE_)LZO) += lzo/
+obj-$(CONFIG_$(PHASE_)LZMA) += lzma/
+obj-$(CONFIG_$(PHASE_)LZ4) += lz4_wrapper.o
 
 obj-$(CONFIG_$(XPL_)LIB_RATIONAL) += rational.o
 
diff --git a/lib/crc8.c b/lib/crc8.c
index 20d46d16147..811e19917b4 100644
--- a/lib/crc8.c
+++ b/lib/crc8.c
@@ -32,3 +32,9 @@ unsigned int crc8(unsigned int crc, const unsigned char *vptr, int len)
 
 	return crc;
 }
+
+void crc8_wd_buf(const unsigned char *input, unsigned int len,
+		 unsigned char output[1], unsigned int chunk_sz)
+{
+	*output = crc8(0, input, len);
+}