rpi: Allow to boot without serial

When we enable CONFIG_OF_BOARD on Raspberry Pis, we may end up without
serial console support in early boot. Hence we need to make the serial
port optional, otherwise we will never get to the point where serial
would be probed.

Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/configs/rpi_0_w_defconfig b/configs/rpi_0_w_defconfig
index 04717d5..6e02cf3 100644 (file)
--- a/configs/rpi_0_w_defconfig
+++ b/configs/rpi_0_w_defconfig
@@ -34,3 +34,4 @@ CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
 CONFIG_OF_LIBFDT_OVERLAY=y
+# CONFIG_REQUIRE_SERIAL_CONSOLE is not set

diff --git a/configs/rpi_2_defconfig b/configs/rpi_2_defconfig
index f8203c9..dd3c60c 100644 (file)
--- a/configs/rpi_2_defconfig
+++ b/configs/rpi_2_defconfig
@@ -34,3 +34,4 @@ CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
 CONFIG_OF_LIBFDT_OVERLAY=y
+# CONFIG_REQUIRE_SERIAL_CONSOLE is not set

diff --git a/configs/rpi_defconfig b/configs/rpi_defconfig
index d13d3d3..2c0412d 100644 (file)
--- a/configs/rpi_defconfig
+++ b/configs/rpi_defconfig
@@ -34,3 +34,4 @@ CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
 CONFIG_OF_LIBFDT_OVERLAY=y
+# CONFIG_REQUIRE_SERIAL_CONSOLE is not set