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refactor(xilinx): 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 affects Xilinx SoCs only.

Change-Id: Iea4cf920934bbde4312f40c8c7b3e0f56a316e86
Signed-off-by: Salman Nabi <salman.nabi@arm.com>
This commit is contained in:
Salman Nabi 2024-02-19 16:50:05 +00:00
parent 9edf08b177
commit 48932c3c27
3 changed files with 6 additions and 3 deletions
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3
plat/xilinx/versal/bl31_versal_setup.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2021, Arm Limited and Contributors. All rights reserved.
* Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
* Copyright (c) 2018-2022, Xilinx, Inc. All rights reserved.
* Copyright (c) 2022-2023, Advanced Micro Devices, Inc. All rights reserved.
*
@ -207,6 +207,7 @@ void bl31_plat_runtime_setup(void)
panic();
}
console_flush();
console_switch_state(CONSOLE_FLAG_RUNTIME);
}

3
plat/xilinx/versal_net/bl31_versal_net_setup.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2020, Arm Limited and Contributors. All rights reserved.
* Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
* Copyright (c) 2018-2022, Xilinx, Inc. All rights reserved.
* Copyright (c) 2022-2023, Advanced Micro Devices, Inc. All rights reserved.
*
@ -232,6 +232,7 @@ void bl31_plat_runtime_setup(void)
panic();
}
console_flush();
console_switch_state(CONSOLE_FLAG_RUNTIME);
}

3
plat/xilinx/zynqmp/bl31_zynqmp_setup.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2021, Arm Limited and Contributors. All rights reserved.
* Copyright (c) 2013-2024, Arm Limited and Contributors. All rights reserved.
* Copyright (c) 2023, Advanced Micro Devices, Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
@ -191,6 +191,7 @@ void bl31_plat_runtime_setup(void)
custom_runtime_setup();
console_flush();
console_switch_state(CONSOLE_FLAG_RUNTIME);
}