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