feat(console): introduce EARLY_CONSOLE
This is a generic porting of what was done on ST platforms with flag
STM32MP_EARLY_CONSOLE. It creates the flag and the prototype for
plat_setup_early_console(). This function depends on platform
implementation. This function call is added at the beginning of each BL
image early setup function.
The patch also introduce an extra log macro: EARLY_ERROR. This can
replace ERROR macro in code that will only be executed before the
default console is enabled, and will do nothing when the EARLY_CONSOLE
is not enabled. This can then save some space in memory.
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I77bf0a0c4289b4c7df94e4bfb783a938e05bf023
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index 26d2a00..b9ea810 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2016-2023, Arm Limited. All rights reserved.
+# Copyright (c) 2016-2024, Arm Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -392,3 +392,6 @@
# Enable context memory usage reporting during BL31 setup.
PLATFORM_REPORT_CTX_MEM_USE := 0
+
+# Enable early console
+EARLY_CONSOLE := 0