From 2b32cb215fc737102fa7ac2b04a44d1a4aefdd90 Mon Sep 17 00:00:00 2001 From: Hung-Te Lin Date: Tue, 15 Oct 2019 17:19:44 +0800 Subject: soc/mediatek/mt8183: Compress calibration blob with LZ4 The DRAM calibration blob can be compressed using pre-RAM algorithm (currently LZ4), which will save ~12ms in boot time. On Kodama, boot time difference: Before: 1,082,711 After: 1,070,309 BUG=b:139099592,b:117953502 TEST=build and boot, cbfstool coreboot.rom print -v (see dram compressed) BRANCH=kukui Change-Id: Ic3bd49d67ee6f80a0e4d8f6945744642611edf64 Signed-off-by: Hung-Te Lin Reviewed-on: https://review.coreboot.org/c/coreboot/+/36054 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel Reviewed-by: Yu-Ping Wu Reviewed-by: Julius Werner --- src/soc/mediatek/mt8183/Makefile.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/soc/mediatek/mt8183/Makefile.inc') diff --git a/src/soc/mediatek/mt8183/Makefile.inc b/src/soc/mediatek/mt8183/Makefile.inc index 70fd08052c..e3d3db0abe 100644 --- a/src/soc/mediatek/mt8183/Makefile.inc +++ b/src/soc/mediatek/mt8183/Makefile.inc @@ -84,7 +84,7 @@ sspm.bin-compression := $(CBFS_COMPRESS_FLAG) DRAM_CBFS := $(CONFIG_CBFS_PREFIX)/dram $(DRAM_CBFS)-file := $(MT8183_BLOB_DIR)/dram.elf $(DRAM_CBFS)-type := stage -$(DRAM_CBFS)-compression := none +$(DRAM_CBFS)-compression := $(CBFS_PRERAM_COMPRESS_FLAG) ifneq ($(wildcard $($(DRAM_CBFS)-file)),) cbfs-files-y += $(DRAM_CBFS) endif -- cgit v1.2.3