1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (C) 2022 MediaTek Inc. All rights reserved. 4 * 5 * Author: Weijie Gao <weijie.gao@mediatek.com> 6 */ 7 8#include <asm/io.h> 9#include <asm/addrspace.h> 10#include "mt7621.h" 11 12void board_debug_uart_init(void) 13{ 14 void __iomem *base = ioremap_nocache(SYSCTL_BASE, SYSCTL_SIZE); 15 16#if CONFIG_DEBUG_UART_BASE == 0xbe000c00 /* KSEG1ADDR(UART1_BASE) */ 17 clrbits_32(base + SYSCTL_GPIOMODE_REG, UART1_MODE); 18#elif CONFIG_DEBUG_UART_BASE == 0xbe000d00 /* KSEG1ADDR(UART2_BASE) */ 19 clrbits_32(base + SYSCTL_GPIOMODE_REG, UART2_MODE_M); 20#elif CONFIG_DEBUG_UART_BASE == 0xbe000e00 /* KSEG1ADDR(UART3_BASE) */ 21 clrbits_32(base + SYSCTL_GPIOMODE_REG, UART3_MODE_M); 22#endif 23} 24