From 215b1fb9fa43049aee34e824bfd994b335155750 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Thu, 17 Nov 2016 01:02:59 +0100
Subject: ls2080ardb: Reserve DP-DDR RAM

The DP-DDR shouldn't be exposed as conventional memory to an OS, so let's
rather claim it's a reserved region in the EFI memory map

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: York Sun <york.sun@nxp.com>
---
 board/freescale/ls2080ardb/ls2080ardb.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'board/freescale/ls2080ardb')

diff --git a/board/freescale/ls2080ardb/ls2080ardb.c b/board/freescale/ls2080ardb/ls2080ardb.c
index fab44b9..02954ef 100644
--- a/board/freescale/ls2080ardb/ls2080ardb.c
+++ b/board/freescale/ls2080ardb/ls2080ardb.c
@@ -15,6 +15,7 @@
 #include <libfdt.h>
 #include <fsl-mc/fsl_mc.h>
 #include <environment.h>
+#include <efi_loader.h>
 #include <i2c.h>
 #include <asm/arch/soc.h>
 #include <fsl_sec.h>
@@ -201,6 +202,14 @@ int misc_init_r(void)
 	if (adjust_vdd(0))
 		printf("Warning: Adjusting core voltage failed.\n");
 
+#if defined(CONFIG_EFI_LOADER) && !defined(CONFIG_SPL_BUILD)
+	if (soc_has_dp_ddr() && gd->bd->bi_dram[2].size) {
+		efi_add_memory_map(gd->bd->bi_dram[2].start,
+				   gd->bd->bi_dram[2].size >> EFI_PAGE_SHIFT,
+				   EFI_RESERVED_MEMORY_TYPE, false);
+	}
+#endif
+
 	return 0;
 }
 
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