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efi_loader: Pass fdt address directly to bootefi cmd

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The bootefi cmd today fetches its device tree pointer from either the
location appointed by "fdt addr" with a fallback to the U-Boot control
fdt.

This integration is unusual for U-Boot and diverges from the way we
usually handle parameters to boot commands. So let's pass the fdt
directly into the bootefi command instead and move the control fdt
logic into the distro boot script.

Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Alexander Graf 2016-04-14 16:07:53 +02:00 • committed by Tom Rini
parent 0c4b3880c1
commit 1c39809b92
2 changed files with 22 additions and 23 deletions
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9
include/config_distro_bootcmd.h
View file

@ -103,12 +103,15 @@
"boot_efi_binary=" \
"load ${devtype} ${devnum}:${distro_bootpart} " \
"${kernel_addr_r} efi/boot/"BOOTEFI_NAME"; " \
"bootefi ${kernel_addr_r}\0" \
"if fdt addr ${fdt_addr_r}; then " \
"bootefi ${kernel_addr_r} ${fdt_addr_r};" \
"else" \
"bootefi ${kernel_addr_r} ${fdtcontroladdr};" \
"fi\0" \
\
"load_efi_dtb=" \
"load ${devtype} ${devnum}:${distro_bootpart} " \
"${fdt_addr_r} ${prefix}${fdtfile}; " \
"fdt addr ${fdt_addr_r}\0" \
"${fdt_addr_r} ${prefix}${fdtfile}\0" \
\
"efi_dtb_prefixes=/ /dtb/ /dtb/current/\0" \
"scan_dev_for_efi=" \