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>

diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index 04f27b4b8f420b32d9ef842dbd445dfa5cdcf04e..22e87a2a13d7465496a7dd30d3f994beab95da63 100644 (file)
--- 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;
 }