u-boot/arch/mips/mach-mtmips/mt7620/serial.c
Weijie Gao dd4fdc0b14 mips: mtmips: add support for MediaTek MT7620 SoC
This patch adds support for MediaTek MT7620 SoC.
All files are dedicated for u-boot.

Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
2021-01-24 21:39:26 +01:00

36 lines
978 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020 MediaTek Inc.
*
* Author: Weijie Gao <weijie.gao@mediatek.com>
*/
#include <asm/io.h>
#include <asm/addrspace.h>
#include "mt7620.h"
void board_debug_uart_init(void)
{
void __iomem *base = ioremap_nocache(SYSCTL_BASE, SYSCTL_SIZE);
#if CONFIG_DEBUG_UART_BASE == 0xb0000500 /* KSEG1ADDR(UARTFULL_BASE) */
clrsetbits_32(base + SYSCTL_GPIOMODE_REG, UARTF_SHARE_MODE_M,
UARTF_MODE_UARTF_GPIO << UARTF_SHARE_MODE_S);
#else
clrbits_32(base + SYSCTL_GPIOMODE_REG, UARTL_GPIO_MODE);
#endif
}
void mtmips_spl_serial_init(void)
{
#ifdef CONFIG_SPL_SERIAL_SUPPORT
void __iomem *base = ioremap_nocache(SYSCTL_BASE, SYSCTL_SIZE);
#if CONFIG_CONS_INDEX == 1
clrbits_32(base + SYSCTL_GPIOMODE_REG, UARTL_GPIO_MODE);
#elif CONFIG_CONS_INDEX == 2
clrsetbits_32(base + SYSCTL_GPIOMODE_REG, UARTF_SHARE_MODE_M,
UARTF_MODE_UARTF_GPIO << UARTF_SHARE_MODE_S);
#endif
#endif /* CONFIG_SPL_SERIAL_SUPPORT */
}