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soc/mediatek/mt8189: Add MTK FSP loader in ramstage

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To support the MTK firmware support package (FSP), reserve a 2MB region
in DRAM for loading `mtk_fsp_ramstage.elf` during ramstage.

BUG=b:379008996
BRANCH=none
TEST=build passed

Signed-off-by: Vince Liu <vince-wl.liu@mediatek.corp-partner.google.com>
Change-Id: If153d9746bea8c7faa8f9787029b44192c18899d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87813
Reviewed-by: Yidi Lin <yidilin@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Vince Liu 2025-01-09 13:38:31 +08:00 • committed by Yidi Lin
commit 99b6ff25d4
2 changed files with 10 additions and 0 deletions
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9
src/soc/mediatek/mt8189/Makefile.mk
View file

@ -40,6 +40,7 @@ ramstage-y += ../common/mmu_operations.c ../common/mmu_cmops.c
ramstage-y += ../common/mt6315.c mt6315.c
ramstage-y += ../common/mt6359p.c mt6359p.c
ramstage-y += ../common/mtcmos.c mtcmos.c
ramstage-y += ../common/mtk_fsp.c
ramstage-y += ../common/pmif.c ../common/pmif_clk.c ../common/pmif_init.c pmif_clk.c
ramstage-y += ../common/pmif_spi.c pmif_spi.c
ramstage-y += ../common/pmif_spmi.c pmif_spmi.c
@ -81,3 +82,11 @@ $(objcbfs)/bootblock.bin: $(objcbfs)/bootblock.raw.bin
./util/mediatek/gen-bl-img.py mt8189 sf $< $@
endif
FSP_CBFS := $(CONFIG_CBFS_PREFIX)/mtk_fsp_ramstage
$(FSP_CBFS)-file := $(MT8189_BLOB_DIR)/mtk_fsp_ramstage.elf
$(FSP_CBFS)-type := stage
$(FSP_CBFS)-compression := $(CBFS_COMPRESS_FLAG)
ifneq ($(wildcard $($(FSP_CBFS)-file)),)
cbfs-files-y += $(FSP_CBFS)
endif

1
src/soc/mediatek/mt8189/include/soc/memlayout.ld
View file

@ -65,6 +65,7 @@ SECTIONS
DRAM_DMA(0x40000000, 1M)
POSTRAM_CBFS_CACHE(0x40100000, 2M)
RAMSTAGE(0x40300000, 2M)
FSP_RAMSTAGE_INIT_CODE(0x40500000, 2M)
BL31(0x54600000, 0x60000)
}