/* SPDX-License-Identifier: ISC */
/*
 * Authors: Dan Williams
 *          Martin Lucina
 *          Felipe Huici <felipe.huici@neclab.eu>
 *          Florian Schmidt <florian.schmidt@neclab.eu>
 *          Simon Kuenzer <simon.kuenzer@neclab.eu>
 *          Santiago Pagani <santiagopagani@gmail.com>
 *
 * Copyright (c) 2015-2017 IBM
 * Copyright (c) 2016-2017 Docker, Inc.
 * Copyright (c) 2020, NEC Laboratories Europe GmbH, NEC Corporation.
 *                     All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software
 * for any purpose with or without fee is hereby granted, provided
 * that the above copyright notice and this permission notice appear
 * in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <raspi/mbox.h>
#include <libfdt.h>
#include <uk/plat/console.h>
#include <uk/config.h>
#include <arm/cpu.h>
#include <uk/essentials.h>
#include <uk/tty/pl011.h>
#include <raspi/gpio.h>
#include <uk/assert.h>

void _libraspiplat_init_console(void *dtb)
{
	PL011_REG_WRITE(REG_UARTCR_OFFSET, 0);
	/* set up clock for consistent divisor values */
	/* ARM to VedioCore*/
	mbox_msg_create(9, 4*9, MBOX_REQUEST, MBOX_TAG_SETCLKRATE,
			12, 8, 2, 4000000, 0, MBOX_TAG_LAST);

	if (mbox_call(MBOX_CH_PROP) != 1) {
		UK_CRASH("mbox call failed!\n");
		return;
	}

	if (map_uart_to_gpio()) {
		UK_CRASH("gpio mapping failed!\n");
		return;
	}

	pl011_console_init(dtb);
}