From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- roms/u-boot/arch/arm/include/asm/arch-imx8/boot0.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 roms/u-boot/arch/arm/include/asm/arch-imx8/boot0.h (limited to 'roms/u-boot/arch/arm/include/asm/arch-imx8/boot0.h') diff --git a/roms/u-boot/arch/arm/include/asm/arch-imx8/boot0.h b/roms/u-boot/arch/arm/include/asm/arch-imx8/boot0.h new file mode 100644 index 000000000..5ce781adb --- /dev/null +++ b/roms/u-boot/arch/arm/include/asm/arch-imx8/boot0.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2019 NXP + */ + +#if defined(CONFIG_SPL_BUILD) + /* + * We use absolute address not PC relative address to jump. + * When running SPL on iMX8, the A core starts at address 0, a alias to OCRAM 0x100000, + * our linker address for SPL is from 0x100000. So using absolute address can jump to + * the OCRAM address from the alias. + * The alias only map first 96KB of OCRAM, so this require the SPL size can't beyond 96KB. + * But when using SPL DM, the size increase significantly and may exceed 96KB. + * That's why we have to jump to OCRAM. + */ + + ldr x0, =reset + br x0 +#else + b reset +#endif -- cgit 1.2.3-korg