spl: add option to disable SPL banner output
Selecting this option will reduce SPL boot time by approx. 6 ms
(e. g. with 70 bytes long banner string at 115200 baud).
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Tested-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index e1b91f5..65b3aff 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -118,6 +118,13 @@
location is used. Normally we put the device tree at the end of BSS
but with this option enabled, it goes at _image_binary_end.
+config SPL_DISABLE_BANNER_PRINT
+ bool "Disable output of the SPL banner 'U-Boot SPL ...'"
+ help
+ If this option is enabled, SPL will not print the banner with version
+ info. Selecting this option could be useful to reduce SPL boot time
+ (e.g. approx. 6 ms slower, when output on i.MX6 with 115200 baud).
+
config SPL_DISPLAY_PRINT
bool "Display a board-specific message in SPL"
help
diff --git a/common/spl/spl.c b/common/spl/spl.c
index 1566acd..2ebab8f 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -477,8 +477,10 @@
gd->have_console = 1;
+#ifndef CONFIG_SPL_DISABLE_BANNER_PRINT
puts("\nU-Boot SPL " PLAIN_VERSION " (" U_BOOT_DATE " - " \
U_BOOT_TIME ")\n");
+#endif
#ifdef CONFIG_SPL_DISPLAY_PRINT
spl_display_print();
#endif