> Am 22.06.2016 um 04:51 schrieb Prabhakar Kushwaha > <prabhakar.kushw...@nxp.com>: > > 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.
That's exactly what this patch does :). It tells marks the DP-DDR as reserved in the memory map. Alex _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
