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allwinner: Move SEPARATE_NOBITS_REGION to platforms

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For the existing SoCs we support, we use SEPARATE_NOBITS_REGION, to move
some parts of the data into separate memory regions (to save on the SRAM
A2 we are loaded into).
For the upcoming H616 platform this is of no concern (we run in DRAM),
so make this flag a platform choice instead.

Change-Id: Ic01d49578c6274660f8f112bd23680d3eca3be7a
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
This commit is contained in:
Andre Przywara 2021-02-15 23:45:47 +00:00
parent fe90f9aecf
commit eb15bdaad2
3 changed files with 6 additions and 3 deletions
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3
plat/allwinner/common/allwinner-common.mk
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@ -85,9 +85,6 @@ PROGRAMMABLE_RESET_ADDRESS := 1
# Allow mapping read-only data as execute-never.
SEPARATE_CODE_AND_RODATA := 1
# Put NOBITS memory in SRAM A1, overwriting U-Boot's SPL.
SEPARATE_NOBITS_REGION := 1
# BL31 gets loaded alongside BL33 (U-Boot) by U-Boot's SPL
RESET_TO_BL31 := 1

3
plat/allwinner/sun50i_a64/platform.mk
View file

@ -12,3 +12,6 @@ BL31_SOURCES += drivers/allwinner/axp/axp803.c \
FDT_ASSUME_MASK := "(ASSUME_LATEST | ASSUME_NO_ROLLBACK | ASSUME_LIBFDT_ORDER)"
$(eval $(call add_define,FDT_ASSUME_MASK))
# Put NOBITS memory in SRAM A1, overwriting U-Boot's SPL.
SEPARATE_NOBITS_REGION := 1

3
plat/allwinner/sun50i_h6/platform.mk
View file

@ -9,3 +9,6 @@ include plat/allwinner/common/allwinner-common.mk
BL31_SOURCES += drivers/allwinner/axp/axp805.c \
drivers/allwinner/sunxi_rsb.c
# Put NOBITS memory in SRAM A1, overwriting U-Boot's SPL.
SEPARATE_NOBITS_REGION := 1