From 1bcf7a30d81b0f770cb217dedef8e4034da9d87d Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 2 Nov 2016 10:36:20 +0100
Subject: [PATCH] bcm2835: Reserve the spin table in efi memory map

Firmware provides a spin table on the raspberry pi. This table shouldn't
get overwritten by payloads, so we need to mark it as reserved.

Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
---
 board/raspberrypi/rpi/rpi.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index 04f27b4b8f..22e87a2a13 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -8,6 +8,7 @@
 #include <inttypes.h>
 #include <config.h>
 #include <dm.h>
+#include <efi_loader.h>
 #include <fdt_support.h>
 #include <fdt_simplefb.h>
 #include <lcd.h>
@@ -518,5 +519,10 @@ int ft_board_setup(void *blob, bd_t *bd)
 	 */
 	lcd_dt_simplefb_add_node(blob);
 
+#ifdef CONFIG_EFI_LOADER
+	/* Reserve the spin table */
+	efi_add_memory_map(0, 1, EFI_RESERVED_MEMORY_TYPE, 0);
+#endif
+
 	return 0;
 }
-- 
2.30.2