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refactor(allwinner): console runtime switch on bl31 exit

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Flush the FIFO before switching to runtime. This is so that there are
no lingering chars in the FIFO when we move to the runtime console.

TF-A plans to refactor the console_Switch_state(CONSOLE_FLAG_RUNTIME)
and console_flush() calls and make them the last calls in bl31_main()
(before BL31 exits). Until then they are being left as the last calls
in bl31_plat_runtime_setup() for testing before refactoring.

This patch only affects the Allwinner platform.

Change-Id: I15b4a459a280822a01c60e3b0c856b530db6efab
Signed-off-by: Salman Nabi <salman.nabi@arm.com>
This commit is contained in:
Salman Nabi 2024-02-19 13:42:56 +00:00
parent c864af9891
commit bcfc29766d
1 changed files with 2 additions and 1 deletions
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3
plat/allwinner/common/sunxi_bl31_setup.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2017-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -187,6 +187,7 @@ void bl31_plat_runtime_setup(void)
/* Change the DTB if the configuration requires so. */
sunxi_prepare_dtb(fdt);
console_flush();
console_switch_state(CONSOLE_FLAG_RUNTIME);
}