arm-trusted-firmware/plat/brcm/board/common/bcm_console.c

66 lines
1.6 KiB
C

/*
* Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <common/debug.h>
#include <drivers/console.h>
#include <drivers/ti/uart/uart_16550.h>
#include <platform_def.h>
/*******************************************************************************
* Functions that set up the console
******************************************************************************/
static console_t bcm_boot_console;
static console_t bcm_runtime_console;
/* Initialize the console to provide early debug support */
void bcm_console_boot_init(void)
{
int rc = console_16550_register(PLAT_BRCM_BOOT_UART_BASE,
PLAT_BRCM_BOOT_UART_CLK_IN_HZ,
BRCM_CONSOLE_BAUDRATE,
&bcm_boot_console);
if (rc == 0) {
/*
* The crash console doesn't use the multi console API, it uses
* the core console functions directly. It is safe to call panic
* and let it print debug information.
*/
panic();
}
console_set_scope(&bcm_boot_console, CONSOLE_FLAG_BOOT);
}
void bcm_console_boot_end(void)
{
console_flush();
(void)console_unregister(&bcm_boot_console);
}
/* Initialize the runtime console */
void bcm_console_runtime_init(void)
{
int rc = console_16550_register(PLAT_BRCM_BL31_RUN_UART_BASE,
PLAT_BRCM_BL31_RUN_UART_CLK_IN_HZ,
BRCM_CONSOLE_BAUDRATE,
&bcm_runtime_console);
if (rc == 0)
panic();
console_set_scope(&bcm_runtime_console, CONSOLE_FLAG_RUNTIME);
}
void bcm_console_runtime_end(void)
{
console_flush();
(void)console_unregister(&bcm_runtime_console);
}