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soc/mediatek/mt8189: Enable EARLY_MMU_INIT to improve boot time

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The boot time is improved by 50ms in bootblock.

BUG=b:379008996
BRANCH=none
TEST=check the boot time by `cbmem`.
(previous)
11:start of bootblock                                247,551 (60)
12:end of bootblock                                  312,495 (64,944)

(now)
11:start of bootblock                                255,424 (60)
12:end of bootblock                                  270,911 (15,487)

Signed-off-by: Vince Liu <vince-wl.liu@mediatek.corp-partner.google.com>
Change-Id: I0c3a5cff7eecb67e34d8ff1d3084f6a34d9cdbe0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88368
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yidi Lin <yidilin@google.com>
This commit is contained in:
Vince Liu 2025-07-09 09:56:25 +08:00 • committed by Yidi Lin
commit 2f5b384ba5
2 changed files with 2 additions and 1 deletions
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1
src/soc/mediatek/mt8189/Kconfig
View file

@ -8,6 +8,7 @@ config SOC_MEDIATEK_MT8189
select ARCH_ROMSTAGE_ARMV8_64
select ARCH_RAMSTAGE_ARMV8_64
select ARM64_USE_ARM_TRUSTED_FIRMWARE
select EARLY_MMU_INIT
select HAVE_UART_SPECIAL
select CACHE_MRC_SETTINGS
select MEDIATEK_DRAM_BLOB_FAST_INIT

2
src/soc/mediatek/mt8189/Makefile.mk
View file

@ -10,7 +10,7 @@ all-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c
all-y += ../common/timer_prepare.c timer.c
all-y += ../common/uart.c
bootblock-y += bootblock.c
bootblock-y += ../common/bootblock.c bootblock.c
bootblock-y += efuse.c
bootblock-y += ../common/mmu_operations.c
bootblock-y += ../common/mtcmos.c mtcmos.c