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efi_loader: implement EFI_DT_FIXUP_PROTOCOL

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A boot manager like GRUB can use the protocol to

* apply U-Boot's fix-ups to the a device-tree
* let U-Boot make memory reservations according to the device-tree
* install the device-tree as a configuration table

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2020-12-13 10:30:24 +01:00
parent 48618e9b8b
commit 94686f60a2
7 changed files with 215 additions and 80 deletions
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6
lib/efi_loader/efi_root_node.c
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@ -7,6 +7,7 @@
#include <common.h>
#include <malloc.h>
#include <efi_dt_fixup.h>
#include <efi_loader.h>
const efi_guid_t efi_u_boot_guid = U_BOOT_GUID;
@ -60,6 +61,11 @@ efi_status_t efi_root_node_register(void)
/* Device path utilities protocol */
&efi_guid_device_path_utilities_protocol,
(void *)&efi_device_path_utilities,
#if !CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE)
/* Device-tree fix-up protocol */
&efi_guid_dt_fixup_protocol,
(void *)&efi_dt_fixup_prot,
#endif
#if CONFIG_IS_ENABLED(EFI_UNICODE_COLLATION_PROTOCOL2)
#if CONFIG_IS_ENABLED(EFI_UNICODE_COLLATION_PROTOCOL)
/* Deprecated Unicode collation protocol */