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uboot: Add support for U-Boot SPL

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SPL is a first stage bootloader. On pandaboard it supercedes x-loader,
and should now be used.

This patch ensures that either SPL or xloader can be selected.

A config variable has been added for the name of the SPL binary generated
during u-boot build. For most platform it is u-boot-spl.bin but not always.
It is MLO on OMAP for example.

Signed-off-by: Nicolas Dechesne <n-dechesne@ti.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Tested-by: Frank Hunleth <fhunleth@troodon-software.com>
Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Nicolas Dechesne 2012-03-18 23:04:50 +01:00 committed by Peter Korsgaard
parent 7446d9471c
commit 7c79537cff
2 changed files with 20 additions and 0 deletions
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18
boot/uboot/Config.in
View File

@ -141,4 +141,22 @@ config BR2_TARGET_UBOOT_ETH1ADDR
endif # BR2_TARGET_UBOOT_NETWORK
config BR2_TARGET_UBOOT_SPL
bool "U-Boot SPL support"
depends on !BR2_TARGET_XLOADER
help
Enable the U-Boot SPL support. SPL is a first stage
bootloader loaded into internal memory in charge of
enabling and configuring the external memory (DDR),
and load the u-boot program into DDR.
config BR2_TARGET_UBOOT_SPL_NAME
string "U-Boot SPL target name"
default "u-boot-spl.bin"
depends on BR2_TARGET_UBOOT_SPL
help
This is the name of the SPL binary, generated during
u-boot build. For most platform it is u-boot-spl.bin
but not always. It is MLO on OMAP for example.
endif # BR2_TARGET_UBOOT

2
boot/uboot/uboot.mk
View File

@ -88,6 +88,8 @@ endef
define UBOOT_INSTALL_IMAGES_CMDS
cp -dpf $(@D)/$(UBOOT_BIN) $(BINARIES_DIR)/
$(if $(BR2_TARGET_UBOOT_SPL),
cp -dpf $(@D)/$(BR2_TARGET_UBOOT_SPL_NAME) $(BINARIES_DIR)/)
endef
$(eval $(call GENTARGETS))