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 5/9] armv8: ls2080a: Declare spin tables as reserved for > efi loader > > The efi loader code has its own memory map, so it needs to be aware where > the spin tables are located, to ensure that no code writes into those regions. > > Signed-off-by: Alexander Graf <ag...@suse.de> > --- > arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > index d17227a..91d6374 100644 > --- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > +++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c > @@ -5,6 +5,7 @@ > */ > > #include <common.h> > +#include <efi_loader.h> > #include <libfdt.h> > #include <fdt_support.h> > #include <phy.h> > @@ -72,6 +73,11 @@ void ft_fixup_cpu(void *blob) > > fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code, > *boot_code_size); > +#ifdef CONFIG_EFI_LOADER > + efi_add_memory_map((uintptr_t)&secondary_boot_code, > + ALIGN(*boot_code_size, EFI_PAGE_SIZE) >> > EFI_PAGE_SHIFT, > + EFI_RESERVED_MEMORY_TYPE, false); #endif > } > #endif I believe this place(during DTS fix-up) is too late for adding this memory in EFI memory map. Not sure, grub2 user may write this memory before launching Linux. --prabhakar _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
