arm-trusted-firmware/plat/arm/board/fvp/fvp_console.c

55 lines
1.2 KiB
C

/*
* Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <platform_def.h>
#include <common/debug.h>
#include <drivers/arm/pl011.h>
#include <drivers/console.h>
#include <fconf_hw_config_getter.h>
#include <plat/arm/common/plat_arm.h>
static console_t fvp_runtime_console;
/* Initialize the runtime console */
void arm_console_runtime_init(void)
{
uintptr_t uart_base;
uint32_t uart_clk;
/*
* fconf APIs are not supported for RESET_TO_SP_MIN, RESET_TO_BL31 and
* BL2_AT_EL3 systems.
*/
#if RESET_TO_SP_MIN || RESET_TO_BL31 || BL2_AT_EL3
uart_base = PLAT_ARM_RUN_UART_BASE;
uart_clk = PLAT_ARM_RUN_UART_CLK_IN_HZ;
#else
uart_base = FCONF_GET_PROPERTY(hw_config, uart_serial_config,
uart_base);
uart_clk = FCONF_GET_PROPERTY(hw_config, uart_serial_config,
uart_clk);
#endif
int rc = console_pl011_register(uart_base, uart_clk,
ARM_CONSOLE_BAUDRATE,
&fvp_runtime_console);
if (rc == 0) {
panic();
}
console_set_scope(&fvp_runtime_console, CONSOLE_FLAG_RUNTIME);
}
void arm_console_runtime_end(void)
{
console_flush();
(void)console_unregister(&fvp_runtime_console);
}