1 /*
2 * Copyright (c) 2020-2025, Arm Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <assert.h>
8
9 #include <platform_def.h>
10
11 #include <common/debug.h>
12 #include <drivers/arm/pl011.h>
13 #include <drivers/console.h>
14 #include <fconf_hw_config_getter.h>
15 #include <plat/arm/common/plat_arm.h>
16
17 static console_t fvp_runtime_console;
18
19 /* Initialize the runtime console */
arm_console_runtime_init(void)20 void arm_console_runtime_init(void)
21 {
22 uintptr_t uart_base;
23 uint32_t uart_clk;
24
25 /* If the console was initialized already, don't initialize again */
26 if (fvp_runtime_console.base != 0UL) {
27 return;
28 }
29
30 /*
31 * fconf APIs are not supported for RESET_TO_SP_MIN, RESET_TO_BL31 and
32 * RESET_TO_BL2 systems.
33 */
34 #if RESET_TO_SP_MIN || RESET_TO_BL31 || RESET_TO_BL2
35 uart_base = PLAT_ARM_RUN_UART_BASE;
36 uart_clk = PLAT_ARM_RUN_UART_CLK_IN_HZ;
37 #else
38 uart_base = FCONF_GET_PROPERTY(hw_config, uart_serial_config,
39 uart_base);
40 uart_clk = FCONF_GET_PROPERTY(hw_config, uart_serial_config,
41 uart_clk);
42 #endif
43
44 int rc = console_pl011_register(uart_base, uart_clk,
45 ARM_CONSOLE_BAUDRATE,
46 &fvp_runtime_console);
47
48 if (rc == 0) {
49 panic();
50 }
51
52 console_set_scope(&fvp_runtime_console, CONSOLE_FLAG_RUNTIME);
53 }
54