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AST2700 SoCs integrates a Ibex 32-bits RISC-V core as the boot MCU for the first stage bootloader execution, namely SPL. This patch implements the preliminary base to successfully run SPL on this RV32-based MCU to the console banner message. Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
24 lines
424 B
C
24 lines
424 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
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* Copyright (C) 2024, Aspeed Technology Inc.
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*/
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#include <irq_func.h>
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#include <asm/cache.h>
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/*
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* cleanup_before_linux() is called just before we call linux
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* it prepares the processor for linux
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*
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* we disable interrupt and caches.
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*/
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int cleanup_before_linux(void)
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{
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disable_interrupts();
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cache_flush();
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return 0;
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}
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