u-boot/arch/mips/mach-mtmips/mt7621/serial.c
Weijie Gao 4bc0104c97 mips: mtmips: add support for MediaTek MT7621 SoC
This patch adds support for MediaTek MT7621 SoC.
All files are dedicated for u-boot.

The default build target is u-boot-mt7621.bin.

The specification of this chip:
https://www.mediatek.com/products/homenetworking/mt7621

Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
2022-07-13 23:03:37 +02:00

23 lines
704 B
C

// 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
}