Daniel Boulby 4d010d0dc0 plat/arm: Mark arm platform initialization functions
Mark the initialization functions found in the BL31 boot sequence
as __init so they can be reclaimed when no longer needed.

Change-Id: I687a89346419c7710ef5097feaa325d83c527697
Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>
2018-10-03 11:48:15 +01:00

86 lines
2.1 KiB
C

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