efi/arm: Move FDT param discovery code out of efi.c

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On ARM systems, we discover the UEFI system table address and memory
map address from the /chosen node in the device tree, or in the Xen
case, from a similar node under /hypervisor.

Before making some functional changes to that code, move it into its
own file that only gets built if CONFIG_EFI_PARAMS_FROM_FDT=y.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

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This commit is contained in:

Ard Biesheuvel 2020-02-18 09:54:05 +01:00

parent 97aa276579

commit ac5abc700a

3 changed files with 143 additions and 135 deletions

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1

drivers/firmware/efi/Makefile

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135

drivers/firmware/efi/efi.c

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142

drivers/firmware/efi/fdtparams.c

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