[U-Boot] [PATCH v3 3/3] bcm2835: Reserve the spin table in efi memory map
Alexander Graf
agraf at suse.de
Wed Nov 2 10:36:20 CET 2016
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 at 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;
}
--
1.8.5.6
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