Hi Alex,
> -----Original Message----- > From: Alexander Graf [mailto:ag...@suse.de] > Sent: Tuesday, June 21, 2016 4:37 AM > To: u-boot@lists.denx.de > Cc: york sun <york....@nxp.com>; Prabhakar Kushwaha > <prabhakar.kushw...@nxp.com> > Subject: [PATCH v4 3/9] 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 <ag...@suse.de> > --- > 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 d1475a5..493f66d 100644 > --- a/board/freescale/ls2080ardb/ls2080ardb.c > +++ b/board/freescale/ls2080ardb/ls2080ardb.c > @@ -16,6 +16,7 @@ > #include <fsl_debug_server.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> > @@ -202,6 +203,14 @@ int misc_init_r(void) > if (adjust_vdd(0)) > printf("Warning: Adjusting core voltage failed.\n"); > > +#ifdef CONFIG_EFI_LOADER > + 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 DP-DDR is not for ARM cores. It is for other accelerators present in LS2080A. I will suggest not to use DP-DDR for EFI memory. --prabhakar _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
