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spl: move RAM boot support in separate file

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Add a new top-level config option so support booting an image stored
in RAM. This allows to move the RAM boot support into a sparate file
and having a single condition to compile that file.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
This commit is contained in:
Stefan Agner
2016-12-23 07:51:53 +01:00
committed by Tom Rini
parent f417d40fe2
commit 22802f4e3a
4 changed files with 84 additions and 60 deletions
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12
common/spl/Kconfig
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@@ -449,9 +449,17 @@ config SPL_POWER_SUPPORT
in drivers/power, drivers/power/pmic and drivers/power/regulator
as part of an SPL build.
config SPL_RAM_SUPPORT
bool "Support booting from RAM"
depends on SPL
default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ
help
Enable booting of an image in RAM. The image can be preloaded or
it can be loaded by SPL directly into RAM (e.g. using USB).
config SPL_RAM_DEVICE
bool "Support booting from preloaded image in RAM"
depends on SPL
depends on SPL_RAM_SUPPORT
default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ
help
Enable booting of an image already loaded in RAM. The image has to
@@ -558,7 +566,7 @@ choice
config SPL_DFU_RAM
bool "RAM device"
depends on SPL_DFU_SUPPORT
depends on SPL_DFU_SUPPORT && SPL_RAM_SUPPORT
help
select RAM/DDR memory device for loading binary images
(u-boot/kernel) to the selected device partition using