> Am 22.06.2016 um 05:06 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 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.
The dt fixups get called in bootefi, so before grub2 starts :) Alex _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
