u-boot/board/dfi/dfi-bt700/dfi-bt700.c
Stefan Roese b1ad6c6966 x86: Add DFI BT700 BayTrail board support
This patch adds support for the DFI BayTrail BT700 QSeven SoM installed
on the DFI Q7X-151 baseboard. The baseboard is equipped with the Nuvoton
NCT6102D Super IO chip providing the UART as console.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2016-08-16 11:44:09 +08:00

30 lines
629 B
C

/*
* Copyright (C) 2016 Stefan Roese <sr@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <nuvoton_nct6102d.h>
#include <asm/gpio.h>
#include <asm/ibmpc.h>
#include <asm/pnp_def.h>
int board_early_init_f(void)
{
#ifdef CONFIG_INTERNAL_UART
/* Disable the legacy UART which is enabled per default */
nct6102d_uarta_disable();
#else
/*
* The FSP enables the BayTrail internal legacy UART (again).
* Disable it again, so that the Nuvoton one can be used.
*/
setup_internal_uart(0);
#endif
/* Disable the watchdog which is enabled per default */
nct6102d_wdt_disable();
return 0;
}