From e5d8971bfda1f0d224ebf00118b20e0a294c7732 Mon Sep 17 00:00:00 2001 From: Mian Yousaf Kaukab Date: Tue, 24 Sep 2019 17:10:24 +0200 Subject: [PATCH] Revert "ARM: tegra: reserve unmapped RAM so EFI doesn't use it" This reverts commit 0797f7f0b7e1d7853e2842ddc235ffef139fa792. Tegra specific solution is not required any more as efi core has been made aware of ram_top with the following commit: 7b78d6438a efi_loader: Reserve unaccessible memory Signed-off-by: Mian Yousaf Kaukab --- arch/arm/mach-tegra/board2.c | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/arch/arm/mach-tegra/board2.c b/arch/arm/mach-tegra/board2.c index f13bd256cc..07f54f0684 100644 --- a/arch/arm/mach-tegra/board2.c +++ b/arch/arm/mach-tegra/board2.c @@ -6,7 +6,6 @@ #include #include -#include #include #include #include @@ -224,19 +223,6 @@ 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"); -- 2.39.5