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console.c 1.26 KB
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/*
* Copyright 2024 Hangzhou Yingyi Technology Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#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);
}
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