1 /*
2 * Copyright (c) 2020, 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 /*
26 * fconf APIs are not supported for RESET_TO_SP_MIN, RESET_TO_BL31 and
27 * BL2_AT_EL3 systems.
28 */
29 #if RESET_TO_SP_MIN || RESET_TO_BL31 || BL2_AT_EL3
30 uart_base = PLAT_ARM_RUN_UART_BASE;
31 uart_clk = PLAT_ARM_RUN_UART_CLK_IN_HZ;
32 #else
33 uart_base = FCONF_GET_PROPERTY(hw_config, uart_serial_config,
34 uart_base);
35 uart_clk = FCONF_GET_PROPERTY(hw_config, uart_serial_config,
36 uart_clk);
37 #endif
38
39 int rc = console_pl011_register(uart_base, uart_clk,
40 ARM_CONSOLE_BAUDRATE,
41 &fvp_runtime_console);
42
43 if (rc == 0) {
44 panic();
45 }
46
47 console_set_scope(&fvp_runtime_console, CONSOLE_FLAG_RUNTIME);
48 }
49
arm_console_runtime_end(void)50 void arm_console_runtime_end(void)
51 {
52 console_flush();
53 (void)console_unregister(&fvp_runtime_console);
54 }
55