blob: 6c8587fc4406370a7909ba11fb78f8e564df31fe [file] [log] [blame]
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 */
6#include <assert.h>
7#include <console.h>
8#include <debug.h>
9#include <pl011.h>
10#include <plat_arm.h>
11#include <platform_def.h>
12
13/*******************************************************************************
14 * Functions that set up the console
15 ******************************************************************************/
16#if MULTI_CONSOLE_API
17static console_pl011_t arm_boot_console;
18static console_pl011_t arm_runtime_console;
19#endif
20
21/* Initialize the console to provide early debug support */
22void arm_console_boot_init(void)
23{
24#if MULTI_CONSOLE_API
25 int rc = console_pl011_register(PLAT_ARM_BOOT_UART_BASE,
26 PLAT_ARM_BOOT_UART_CLK_IN_HZ,
27 ARM_CONSOLE_BAUDRATE,
28 &arm_boot_console);
29 if (rc == 0) {
30 /*
31 * The crash console doesn't use the multi console API, it uses
32 * the core console functions directly. It is safe to call panic
33 * and let it print debug information.
34 */
35 panic();
36 }
37
38 console_set_scope(&arm_boot_console.console, CONSOLE_FLAG_BOOT);
39#else
40 (void)console_init(PLAT_ARM_BOOT_UART_BASE,
41 PLAT_ARM_BOOT_UART_CLK_IN_HZ,
42 ARM_CONSOLE_BAUDRATE);
43#endif /* MULTI_CONSOLE_API */
44}
45
46void arm_console_boot_end(void)
47{
48 (void)console_flush();
49
50#if MULTI_CONSOLE_API
51 (void)console_unregister(&arm_boot_console.console);
52#else
53 console_uninit();
54#endif /* MULTI_CONSOLE_API */
55}
56
57/* Initialize the runtime console */
58void arm_console_runtime_init(void)
59{
60#if MULTI_CONSOLE_API
61 int rc = console_pl011_register(PLAT_ARM_BL31_RUN_UART_BASE,
62 PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ,
63 ARM_CONSOLE_BAUDRATE,
64 &arm_runtime_console);
65 if (rc == 0)
66 panic();
67
68 console_set_scope(&arm_runtime_console.console, CONSOLE_FLAG_RUNTIME);
69#else
70 (void)console_init(PLAT_ARM_BL31_RUN_UART_BASE,
71 PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ,
72 ARM_CONSOLE_BAUDRATE);
73#endif /* MULTI_CONSOLE_API */
74}
75
76void arm_console_runtime_end(void)
77{
78 (void)console_flush();
79
80#if MULTI_CONSOLE_API
81 (void)console_unregister(&arm_runtime_console.console);
82#else
83 console_uninit();
84#endif /* MULTI_CONSOLE_API */
85}