target/generic: add kconfig for serial getty config (port + baudrate)

These are the settings people most often want to tweak for embedded boards,
so add kconfig variables to make it easy to do.

4 files changed, 138 insertions, 3 deletions

diff --git a/target/generic/Config.in b/target/generic/Config.in
index 319bd4f31..f19ecc3a9 100644
--- a/target/generic/Config.in
+++ b/target/generic/Config.in
@@ -59,3 +59,127 @@ config BR2_TARGET_GENERIC_DEV_SYSTEM
 
 comment "Generic development system requires a toolchain with WCHAR and PROGRAM_INVOCATION support"
 	depends on !(BR2_USE_WCHAR && BR2_UCLIBC_PROGRAM_INVOCATION)
+
+menuconfig BR2_TARGET_GENERIC_GETTY
+	bool "Generic serial port config"
+	depends on !(BR2_TARGET_ATMEL||BR2_TARGET_KWIKBYTE||BR2_TARGET_VALKA)
+
+if BR2_TARGET_GENERIC_GETTY
+
+choice
+	prompt "Serial port to run a getty on"
+	default BR2_TARGET_GENERIC_GETTY_TTYSO
+	help
+	  Select a port to run a getty (login prompt) on.
+
+config BR2_TARGET_GENERIC_GETTY_NONE
+	bool "none"
+config BR2_TARGET_GENERIC_GETTY_TTYSO
+	bool "ttyS0"
+config BR2_TARGET_GENERIC_GETTY_TTYS1
+	bool "ttyS1"
+config BR2_TARGET_GENERIC_GETTY_TTYS2
+	bool "ttyS2"
+config BR2_TARGET_GENERIC_GETTY_TTYS3
+	bool "ttyS3"
+config BR2_TARGET_GENERIC_GETTY_TTYAMA0
+	bool "ttyAMA0"
+	depends on BR2_arm
+config BR2_TARGET_GENERIC_GETTY_TTYAMA1
+	bool "ttyAMA1"
+	depends on BR2_arm
+config BR2_TARGET_GENERIC_GETTY_TTYAMA2
+	bool "ttyAMA2"
+	depends on BR2_arm
+config BR2_TARGET_GENERIC_GETTY_TTYAMA3
+	bool "ttyAMA3"
+	depends on BR2_arm
+config BR2_TARGET_GENERIC_GETTY_TTYUL0
+	bool "ttyUL0"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYUL1
+	bool "ttyUL1"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYUL2
+	bool "ttyUL2"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYUL3
+	bool "ttyUL3"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYPSC0
+	bool "ttyPSC0"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYPSC1
+	bool "ttyPSC1"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYPSC2
+	bool "ttyPSC2"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYPSC3
+	bool "ttyPSC3"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYCPM0
+	bool "ttyCPM0"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYCPM1
+	bool "ttyCPM1"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYCPM2
+	bool "ttyCPM2"
+	depends on BR2_powerpc
+config BR2_TARGET_GENERIC_GETTY_TTYCPM3
+	bool "ttyCPM3"
+	depends on BR2_powerpc
+endchoice
+
+config BR2_TARGET_GENERIC_GETTY_PORT
+	string
+	default "#ttyS0"	if BR2_TARGET_GENERIC_GETTY_NONE
+	default "ttyS0"		if BR2_TARGET_GENERIC_GETTY_TTYS0
+	default "ttyS1"		if BR2_TARGET_GENERIC_GETTY_TTYS1
+	default "ttyS2"		if BR2_TARGET_GENERIC_GETTY_TTYS2
+	default "ttyS3"		if BR2_TARGET_GENERIC_GETTY_TTYS3
+	default "ttyAMA0"	if BR2_TARGET_GENERIC_GETTY_TTYAMA0
+	default "ttyAMA1"	if BR2_TARGET_GENERIC_GETTY_TTYAMA1
+	default "ttyAMA2"	if BR2_TARGET_GENERIC_GETTY_TTYAMA2
+	default "ttyAMA3"	if BR2_TARGET_GENERIC_GETTY_TTYAMA3
+	default "ttyUL0"	if BR2_TARGET_GENERIC_GETTY_TTYUL0
+	default "ttyUL1"	if BR2_TARGET_GENERIC_GETTY_TTYUL1
+	default "ttyUL2"	if BR2_TARGET_GENERIC_GETTY_TTYUL2
+	default "ttyUL3"	if BR2_TARGET_GENERIC_GETTY_TTYUL3
+	default "ttyPSC0"	if BR2_TARGET_GENERIC_GETTY_TTYPSC0
+	default "ttyPSC1"	if BR2_TARGET_GENERIC_GETTY_TTYPSC1
+	default "ttyPSC2"	if BR2_TARGET_GENERIC_GETTY_TTYPSC2
+	default "ttyPSC3"	if BR2_TARGET_GENERIC_GETTY_TTYPSC3
+	default "ttyCPM0"	if BR2_TARGET_GENERIC_GETTY_TTYCPM0
+	default "ttyCPM1"	if BR2_TARGET_GENERIC_GETTY_TTYCPM1
+	default "ttyCPM2"	if BR2_TARGET_GENERIC_GETTY_TTYCPM2
+	default "ttyCPM3"	if BR2_TARGET_GENERIC_GETTY_TTYCPM3
+
+choice
+	prompt "Baudrate to use"
+	default BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
+	help
+	  Select a baudrate to use.
+
+config BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600
+	bool "9600"
+config BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200
+	bool "19200"
+config BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400
+	bool "38400"
+config BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600
+	bool "57600"
+config BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
+	bool "115200"
+endchoice
+
+config BR2_TARGET_GENERIC_GETTY_BAUDRATE
+	string
+	default "9600"		if BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600
+	default "19200"		if BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200
+	default "38400"		if BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400
+	default "57600"		if BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600
+	default "115200"	if BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
+
+endif
diff --git a/target/generic/Makefile.in b/target/generic/Makefile.in
index 4ea0b6a6b..3541264c8 100644
--- a/target/generic/Makefile.in
+++ b/target/generic/Makefile.in
@@ -7,3 +7,15 @@ TARGET_SKELETON=target/generic/target_busybox_skeleton
 TARGET_DEVICE_TABLE=target/generic/mini_device_table.txt
 endif
 
+TARGET_GENERIC_GETTY:=$(strip $(subst ",, $(BR2_TARGET_GENERIC_GETTY_PORT)))
+#"))
+TARGET_GENERIC_GETTY_BAUDRATE:=$(strip $(subst ",, $(BR2_TARGET_GENERIC_GETTY_BAUDRATE)))
+#"))
+
+target-generic-getty:
+	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(TARGET_GENERIC_GETTY)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY) $(TARGET_GENERIC_GETTY_BAUDRATE) vt100 #~' \
+		$(TARGET_DIR)/etc/inittab
+
+ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
+TARGETS += target-generic-getty
+endif
diff --git a/target/generic/target_busybox_skeleton/etc/inittab b/target/generic/target_busybox_skeleton/etc/inittab
index fc59c6ba2..7c7bf7a5a 100644
--- a/target/generic/target_busybox_skeleton/etc/inittab
+++ b/target/generic/target_busybox_skeleton/etc/inittab
@@ -32,10 +32,9 @@
 # Set up a couple of getty's
 tty1::respawn:/sbin/getty 38400 tty1
 tty2::respawn:/sbin/getty 38400 tty2
-#ttyAMA0::respawn:/sbin/getty -L ttyAMA0 115200 vt100
 
 # Put a getty on the serial port
-#ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100
+#ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100 # GENERIC_SERIAL
 
 # Logging junk
 null::sysinit:/bin/touch /var/log/messages
diff --git a/target/generic/target_skeleton/etc/inittab b/target/generic/target_skeleton/etc/inittab
index a6c014e75..7aa654f8a 100644
--- a/target/generic/target_skeleton/etc/inittab
+++ b/target/generic/target_skeleton/etc/inittab
@@ -28,7 +28,7 @@ tty1::respawn:/sbin/getty 38400 tty1
 tty2::respawn:/sbin/getty 38400 tty2
 
 # Put a getty on the serial port
-#ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100
+#ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100 # GENERIC_SERIAL
 
 # Logging junk
 null::sysinit:/bin/touch /var/log/messages