1 /*
2 * Copyright (c) 2018-2019, 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 <plat/arm/common/plat_arm.h>
15
16 /*******************************************************************************
17 * Functions that set up the console
18 ******************************************************************************/
19 static console_pl011_t arm_boot_console;
20 static console_pl011_t arm_runtime_console;
21
22 /* Initialize the console to provide early debug support */
arm_console_boot_init(void)23 void __init arm_console_boot_init(void)
24 {
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 }
40
arm_console_boot_end(void)41 void arm_console_boot_end(void)
42 {
43 (void)console_flush();
44 (void)console_unregister(&arm_boot_console.console);
45 }
46
47 /* Initialize the runtime console */
arm_console_runtime_init(void)48 void arm_console_runtime_init(void)
49 {
50 int rc = console_pl011_register(PLAT_ARM_RUN_UART_BASE,
51 PLAT_ARM_RUN_UART_CLK_IN_HZ,
52 ARM_CONSOLE_BAUDRATE,
53 &arm_runtime_console);
54 if (rc == 0)
55 panic();
56
57 console_set_scope(&arm_runtime_console.console, CONSOLE_FLAG_RUNTIME);
58 }
59
arm_console_runtime_end(void)60 void arm_console_runtime_end(void)
61 {
62 (void)console_flush();
63 }
64