historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/u-boot/board/seeed/linkit-smart-7688/board.c
2024-01-16 11:20:27 -06:00

29 lines
604 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018 Stefan Roese <sr@denx.de>
*/
#include <common.h>
#include <asm/io.h>
#define MT76XX_GPIO1_MODE 0x10000060
void board_debug_uart_init(void)
{
void __iomem *gpio_mode;
/* Select UART2 mode instead of GPIO mode (default) */
gpio_mode = ioremap_nocache(MT76XX_GPIO1_MODE, 0x100);
clrbits_le32(gpio_mode, GENMASK(27, 26));
}
int board_early_init_f(void)
{
/*
* The pin muxing of UART2 also needs to be done, if debug uart
* is not enabled. So we need to call this function here as well.
*/
board_debug_uart_init();
return 0;
}