diff options
| -rw-r--r-- | arch/arm/mach-tegra/board2.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board2.c b/arch/arm/mach-tegra/board2.c index 421a71b301..12257a42b5 100644 --- a/arch/arm/mach-tegra/board2.c +++ b/arch/arm/mach-tegra/board2.c @@ -6,6 +6,7 @@ #include <common.h> #include <dm.h> +#include <efi_loader.h> #include <errno.h> #include <ns16550.h> #include <usb.h> @@ -210,6 +211,19 @@ int board_early_init_f(void) int board_late_init(void) { +#if CONFIG_IS_ENABLED(EFI_LOADER) + if (gd->bd->bi_dram[1].start) { + /* + * Only bank 0 is below board_get_usable_ram_top(), so all of + * bank 1 is not mapped by the U-Boot MMU configuration, and so + * we must prevent EFI from using it. + */ + efi_add_memory_map(gd->bd->bi_dram[1].start, + gd->bd->bi_dram[1].size >> EFI_PAGE_SHIFT, + EFI_BOOT_SERVICES_DATA, false); + } +#endif + #if defined(CONFIG_TEGRA_SUPPORT_NON_SECURE) if (tegra_cpu_is_non_secure()) { printf("CPU is in NS mode\n"); |