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uboot-mediatek: add support for compressed BL3/FIP image

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MediaTek's ARM Trusted Firmware v2.7+ allows the images inside a FIP
structure to be compressed. Make use of that for boards with NOR flash.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2022-07-13 21:06:36 +01:00
parent d118cbdfec
commit a4933cdd12
2 changed files with 7 additions and 13 deletions
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11
package/boot/arm-trusted-firmware-mediatek/patches/100-increase-nor-bl3-size.patch
View File

@ -1,11 +0,0 @@
--- a/plat/mediatek/mt7622/bl2_boot_nor.c
+++ b/plat/mediatek/mt7622/bl2_boot_nor.c
@@ -12,7 +12,7 @@
#define MT7622_NOR_MAP_BASE 0x30000000
#define FIP_BASE 0x20000
-#define FIP_SIZE 0x80000
+#define FIP_SIZE 0xa0000
const io_block_spec_t mtk_boot_dev_fip_spec = {
.offset = MT7622_NOR_MAP_BASE + FIP_BASE,

9
package/boot/uboot-mediatek/Makefile
View File

@ -132,6 +132,7 @@ define U-Boot/mt7622_ubnt_unifi-6-lr
BL2_BOOTDEV:=nor
BL2_DDRBLOB:=2
DEPENDS:=+trusted-firmware-a-mt7622-nor-2ddr
FIP_COMPRESS:=1
endef
define U-Boot/mt7623a_unielec_u7623
@ -196,9 +197,13 @@ UBOOT_MAKE_FLAGS += $(UBOOT_IMAGE:.fip=.bin)
endif
define Build/fip-image
$(if $(FIP_COMPRESS),\
xz -f -e -k -9 -C crc32 $(STAGING_DIR_IMAGE)/$(BUILD_SUBTARGET)-$(BL2_BOOTDEV)-$(BL2_DDRBLOB)ddr-bl31.bin ;\
xz -f -e -k -9 -C crc32 $(PKG_BUILD_DIR)/u-boot.bin \
)
$(STAGING_DIR_HOST)/bin/fiptool create \
--soc-fw $(STAGING_DIR_IMAGE)/$(BUILD_SUBTARGET)-$(BL2_BOOTDEV)-$(BL2_DDRBLOB)ddr-bl31.bin \
--nt-fw $(PKG_BUILD_DIR)/u-boot.bin \
--soc-fw $(STAGING_DIR_IMAGE)/$(BUILD_SUBTARGET)-$(BL2_BOOTDEV)-$(BL2_DDRBLOB)ddr-bl31.bin$(if $(FIP_COMPRESS),.xz) \
--nt-fw $(PKG_BUILD_DIR)/u-boot.bin$(if $(FIP_COMPRESS),.xz) \
$(PKG_BUILD_DIR)/u-boot.fip
endef