android13/u-boot/arch/arm/mach-rockchip/rk3188/rk3188.c

26 lines
557 B
C

/*
* Copyright (c) 2016 Rockchip Electronics Co., Ltd
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/periph.h>
#include <asm/arch/grf_rk3188.h>
#define GRF_BASE 0x20008000
void board_debug_uart_init(void)
{
struct rk3188_grf * const grf = (void *)GRF_BASE;
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B1_MASK << GPIO1B1_SHIFT |
GPIO1B0_MASK << GPIO1B0_SHIFT,
GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT |
GPIO1B0_UART2_SIN << GPIO1B0_SHIFT);
}