From ae0952b5b992edf32cd9bb837257e019aca1d67d Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Mon, 6 Jun 2016 23:55:33 +0200
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>
---
 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 6245b36..7f057e1 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>
@@ -514,5 +515,10 @@ 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;
 }