89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/*
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* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <assert.h>
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#include <platform_def.h>
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#include <common/debug.h>
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#include <drivers/arm/pl011.h>
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#include <drivers/console.h>
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#include <plat/arm/common/plat_arm.h>
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/*******************************************************************************
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* Functions that set up the console
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******************************************************************************/
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#if MULTI_CONSOLE_API
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static console_pl011_t arm_boot_console;
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static console_pl011_t arm_runtime_console;
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#endif
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/* Initialize the console to provide early debug support */
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void __init arm_console_boot_init(void)
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{
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#if MULTI_CONSOLE_API
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int rc = console_pl011_register(PLAT_ARM_BOOT_UART_BASE,
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PLAT_ARM_BOOT_UART_CLK_IN_HZ,
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ARM_CONSOLE_BAUDRATE,
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&arm_boot_console);
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if (rc == 0) {
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/*
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* The crash console doesn't use the multi console API, it uses
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* the core console functions directly. It is safe to call panic
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* and let it print debug information.
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*/
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panic();
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}
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console_set_scope(&arm_boot_console.console, CONSOLE_FLAG_BOOT);
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#else
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(void)console_init(PLAT_ARM_BOOT_UART_BASE,
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PLAT_ARM_BOOT_UART_CLK_IN_HZ,
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ARM_CONSOLE_BAUDRATE);
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#endif /* MULTI_CONSOLE_API */
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}
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void arm_console_boot_end(void)
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{
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(void)console_flush();
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#if MULTI_CONSOLE_API
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(void)console_unregister(&arm_boot_console.console);
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#else
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console_uninit();
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#endif /* MULTI_CONSOLE_API */
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}
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/* Initialize the runtime console */
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void arm_console_runtime_init(void)
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{
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#if MULTI_CONSOLE_API
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int rc = console_pl011_register(PLAT_ARM_BL31_RUN_UART_BASE,
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PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ,
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ARM_CONSOLE_BAUDRATE,
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&arm_runtime_console);
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if (rc == 0)
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panic();
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console_set_scope(&arm_runtime_console.console, CONSOLE_FLAG_RUNTIME);
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#else
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(void)console_init(PLAT_ARM_BL31_RUN_UART_BASE,
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PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ,
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ARM_CONSOLE_BAUDRATE);
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#endif /* MULTI_CONSOLE_API */
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}
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void arm_console_runtime_end(void)
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{
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(void)console_flush();
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#if MULTI_CONSOLE_API
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(void)console_unregister(&arm_runtime_console.console);
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#else
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console_uninit();
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#endif /* MULTI_CONSOLE_API */
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}
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