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https://github.com/brain-hackers/u-boot-brain
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39494822e3
This patch adds Microchip MPFS Icicle board support. For now, NS16550 serial driver is only enabled. The Microchip MPFS Icicle defconfig by default builds U-Boot for M-Mode with SMP support. Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
31 lines
533 B
C
31 lines
533 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2019 Microchip Technology Inc.
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* Padmarao Begari <padmarao.begari@microchip.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <asm/io.h>
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#define MPFS_SYSREG_SOFT_RESET ((unsigned int *)0x20002088)
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int board_init(void)
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{
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/* For now nothing to do here. */
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return 0;
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}
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int board_early_init_f(void)
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{
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unsigned int val;
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/* Reset uart peripheral */
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val = readl(MPFS_SYSREG_SOFT_RESET);
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val = (val & ~(1u << 5u));
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writel(val, MPFS_SYSREG_SOFT_RESET);
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return 0;
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}
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