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GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

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lai
2026-09-06 03:52:57 +08:00
commit b1928b41c0
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source/bootloader/u-boot-2020.01/arch/arm/include/asm/arch-imx8/boot0.h
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/* 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