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https://github.com/AsahiLinux/u-boot
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24 lines
704 B
C
24 lines
704 B
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2022 MediaTek Inc. All rights reserved.
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*
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* Author: Weijie Gao <weijie.gao@mediatek.com>
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*/
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#include <asm/io.h>
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#include <asm/addrspace.h>
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#include "mt7621.h"
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void board_debug_uart_init(void)
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{
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void __iomem *base = ioremap_nocache(SYSCTL_BASE, SYSCTL_SIZE);
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#if CONFIG_DEBUG_UART_BASE == 0xbe000c00 /* KSEG1ADDR(UART1_BASE) */
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clrbits_32(base + SYSCTL_GPIOMODE_REG, UART1_MODE);
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#elif CONFIG_DEBUG_UART_BASE == 0xbe000d00 /* KSEG1ADDR(UART2_BASE) */
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clrbits_32(base + SYSCTL_GPIOMODE_REG, UART2_MODE_M);
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#elif CONFIG_DEBUG_UART_BASE == 0xbe000e00 /* KSEG1ADDR(UART3_BASE) */
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clrbits_32(base + SYSCTL_GPIOMODE_REG, UART3_MODE_M);
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#endif
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}
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