From baf70c02107a60603234a6871087368dc7bc3764 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Wed, 8 Aug 2018 03:54:29 -0600
Subject: [PATCH] efi: Relocate FDT to 127MB instead of 128MB

Sandbox only has 128MB of memory so we cannot relocate the device tree up
to start at 128MB. Use 127MB instead, which should be safe.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 cmd/bootefi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index b60c151fb4..c479748159 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -158,8 +158,8 @@ static void *copy_fdt(void *fdt)
 	fdt_size = ALIGN(fdt_size + EFI_PAGE_SIZE - 1, EFI_PAGE_SIZE);
 	fdt_pages = fdt_size >> EFI_PAGE_SHIFT;
 
-	/* Safe fdt location is at 128MB */
-	new_fdt_addr = fdt_ram_start + (128 * 1024 * 1024) + fdt_size;
+	/* Safe fdt location is at 127MB */
+	new_fdt_addr = fdt_ram_start + (127 * 1024 * 1024) + fdt_size;
 	if (efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
 			       EFI_RUNTIME_SERVICES_DATA, fdt_pages,
 			       &new_fdt_addr) != EFI_SUCCESS) {
-- 
2.30.2