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Antonio Nino Diaz23ede6a2018-06-19 09:29:36 +01001/*
2 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
Antonio Nino Diaze0f90632018-12-14 00:18:21 +00006
Antonio Nino Diaz23ede6a2018-06-19 09:29:36 +01007#include <assert.h>
Antonio Nino Diaze0f90632018-12-14 00:18:21 +00008
Antonio Nino Diaz23ede6a2018-06-19 09:29:36 +01009#include <platform_def.h>
10
Antonio Nino Diaze0f90632018-12-14 00:18:21 +000011#include <common/debug.h>
12#include <drivers/arm/pl011.h>
13#include <drivers/console.h>
Antonio Nino Diazbd7b7402019-01-25 14:30:04 +000014#include <plat/arm/common/plat_arm.h>
Antonio Nino Diaze0f90632018-12-14 00:18:21 +000015
Antonio Nino Diaz23ede6a2018-06-19 09:29:36 +010016/*******************************************************************************
17 * Functions that set up the console
18 ******************************************************************************/
19#if MULTI_CONSOLE_API
20static console_pl011_t arm_boot_console;
21static console_pl011_t arm_runtime_console;
22#endif
23
24/* Initialize the console to provide early debug support */
Daniel Boulbyf45a4bb2018-09-18 13:26:03 +010025void __init arm_console_boot_init(void)
Antonio Nino Diaz23ede6a2018-06-19 09:29:36 +010026{
27#if MULTI_CONSOLE_API
28 int rc = console_pl011_register(PLAT_ARM_BOOT_UART_BASE,
29 PLAT_ARM_BOOT_UART_CLK_IN_HZ,
30 ARM_CONSOLE_BAUDRATE,
31 &arm_boot_console);
32 if (rc == 0) {
33 /*
34 * The crash console doesn't use the multi console API, it uses
35 * the core console functions directly. It is safe to call panic
36 * and let it print debug information.
37 */
38 panic();
39 }
40
41 console_set_scope(&arm_boot_console.console, CONSOLE_FLAG_BOOT);
42#else
43 (void)console_init(PLAT_ARM_BOOT_UART_BASE,
44 PLAT_ARM_BOOT_UART_CLK_IN_HZ,
45 ARM_CONSOLE_BAUDRATE);
46#endif /* MULTI_CONSOLE_API */
47}
48
49void arm_console_boot_end(void)
50{
51 (void)console_flush();
52
53#if MULTI_CONSOLE_API
54 (void)console_unregister(&arm_boot_console.console);
55#else
56 console_uninit();
57#endif /* MULTI_CONSOLE_API */
58}
59
60/* Initialize the runtime console */
61void arm_console_runtime_init(void)
62{
63#if MULTI_CONSOLE_API
64 int rc = console_pl011_register(PLAT_ARM_BL31_RUN_UART_BASE,
65 PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ,
66 ARM_CONSOLE_BAUDRATE,
67 &arm_runtime_console);
68 if (rc == 0)
69 panic();
70
71 console_set_scope(&arm_runtime_console.console, CONSOLE_FLAG_RUNTIME);
72#else
73 (void)console_init(PLAT_ARM_BL31_RUN_UART_BASE,
74 PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ,
75 ARM_CONSOLE_BAUDRATE);
76#endif /* MULTI_CONSOLE_API */
77}
78
79void arm_console_runtime_end(void)
80{
81 (void)console_flush();
82
83#if MULTI_CONSOLE_API
84 (void)console_unregister(&arm_runtime_console.console);
85#else
86 console_uninit();
87#endif /* MULTI_CONSOLE_API */
88}