Merge tag 'signed-efi-next' of git://github.com/agraf/u-boot

Patch queue for efi - 2019-02-13

Goodness this time around:

  - HII protocol, finally allows us to run the UEFI Shell!
    (experimantal, disabled by default)
  - efi selftest now available on Cortex-M
  - NVMe support for distro boot
  - Lots of code cleanup

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c
index 4bb517473e..ebd2b36c03 100644
--- a/lib/efi_loader/efi_memory.c
+++ b/lib/efi_loader/efi_memory.c
@@ -554,6 +554,12 @@ __weak void efi_add_known_memory(void)
 	u64 ram_top = board_get_usable_ram_top(0) & ~EFI_PAGE_MASK;
 	int i;
 
+	/*
+	 * ram_top is just outside mapped memory. So use an offset of one for
+	 * mapping the sandbox address.
+	 */
+	ram_top = (uintptr_t)map_sysmem(ram_top - 1, 0) + 1;
+
 	/* Fix for 32bit targets with ram_top at 4G */
 	if (!ram_top)
 		ram_top = 0x100000000ULL;