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feat(fvp): set defaults for build commandline

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When using ARM_LINUX_KERNEL_AS_BL33, set defaults for the below for
increased build time efficiency:

PRELOADED_BL33_BASE=0x80080000
This address supports older kernels before v5.7

ARM_PRELOADED_DTB_BASE=0x87F00000 (only in RESET_TO_BL31)
1MiB before the address 0x88000000 in FVP. 1MiB seems enough for the
device tree blob (DTB).

Change-Id: I0396b597485e163b43f7c6677c04fcc08db55aa8
Signed-off-by: Salman Nabi <salman.nabi@arm.com>
This commit is contained in:
Salman Nabi 2025-02-13 13:23:43 +00:00
parent 2de9a254c8
commit bf9a25f075
1 changed files with 9 additions and 0 deletions
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9
plat/arm/board/fvp/platform.mk
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@ -372,6 +372,15 @@ HW_CONFIG := ${FVP_HW_CONFIG}
# Set default initrd base 128MiB offset of the default kernel address in FVP
INITRD_BASE ?= 0x90000000
# Kernel base address supports Linux kernels before v5.7
# DTB base 1MiB before normal base kernel address in FVP (0x88000000)
ifeq (${ARM_LINUX_KERNEL_AS_BL33},1)
PRELOADED_BL33_BASE ?= 0x80080000
ifeq (${RESET_TO_BL31},1)
ARM_PRELOADED_DTB_BASE ?= 0x87F00000
endif
endif
ifeq (${TRANSFER_LIST}, 0)
FDT_SOURCES += $(addprefix plat/arm/board/fvp/fdts/, \
${PLAT}_fw_config.dts \