diff mbox

[U-Boot,v8,5/8] ls2080ardb: Reserve DP-DDR RAM

Message ID 1479340982-209521-6-git-send-email-agraf@suse.de
State Accepted
Delegated to: Alexander Graf
Headers show

Commit Message

Alexander Graf Nov. 17, 2016, 12:02 a.m. UTC 
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>

---

v6 -> v7:

  - Don't call efi_loader function in SPL land
---
 board/freescale/ls2080ardb/ls2080ardb.c | 9 +++++++++
 1 file changed, 9 insertions(+)

Comments

Alexander Graf Nov. 17, 2016, 12:12 p.m. UTC | #1 
> 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>

Thanks, applied to efi-next

Alex
diff mbox

Patch

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;
 }