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: [PATCH] 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(+) diff --git a/board/freescale/ls2080ardb/ls2080ardb.c b/board/freescale/ls2080ardb/ls2080ardb.c index fab44b96ba..02954ef6d7 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; } -- 2.39.5