Serial console - Revision history

GNUtoo: /* Linux login prompt */

2013-03-28T15:38:45Z

‎Linux login prompt

2013-03-28T15:37:13Z

‎Linux kernel command line

2013-03-28T15:36:43Z

‎Linux kernel command line

2013-03-28T15:35:30Z

‎GRUB2

2013-03-28T15:35:03Z

‎GRUB2

2011-04-21T00:07:11Z

‎PCIe/Mini PCIe based serial cards

2011-04-21T00:06:46Z

2011-04-18T04:49:33Z

‎FILO

2011-04-18T04:48:50Z

‎coreboot

2011-04-18T04:47:57Z

@@ Line 78: / Line 78: @@
 Change '''ttyS0''' to '''ttyS1''' for COM2.
 {{PD-self}}
 __NOTOC__

← Older revision		Revision as of 15:37, 28 March 2013
Line 63:		Line 63:

	if you use grub2 you can add it to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub		if you use grub2 you can add it to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub
		+
		+	Then regenrate the grub config:
		+	For debian, ubuntu, trisquel:
		+	sudo update-grub2
		+	for arch, parabola:
		+	grub-mkconfig -o /boot/grub/grub.cfg

	== Linux login prompt ==		== Linux login prompt ==

← Older revision		Revision as of 15:36, 28 March 2013
Line 61:		Line 61:

	to send debug output to both the serial console on COM1 '''and''' to VGA.		to send debug output to both the serial console on COM1 '''and''' to VGA.
		+
		+	if you use grub2 you can add it to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub

	== Linux login prompt ==		== Linux login prompt ==

@@ Line 41: / Line 41: @@
   GRUB_TERMINAL_OUTPUT="console serial"
   GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"
-But that depend on having console(and so graphics) working, so adding the following to the end of /etc/grub.d/40_custom
+But that depend on having console(and so graphics) working(if console fails serial isn't tried), so adding the following to the end of /etc/grub.d/40_custom
   serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1
   terminal_input --append  serial

@@ Line 37: / Line 37: @@
 == GRUB2 ==
-TODO
+Then regenrate the grub config:
 == Linux kernel command line ==

@@ Line 7: / Line 7: @@
 == PCIe/Mini PCIe based serial cards ==
-Experimental coreboot and libpayload support is available for the [http://us.startech.com/product/MPEX2S952-2-Port-RS232-Mini-PCI-Express-Serial-Card-with-16950-UART StarTech MPEX2S952] card. Those cards are available at [http://www.amazon.com/2-PORT-Mini-Pci-Express-Card/dp/B003OCRW1Q Amazon] for 60 USD. In order to use the card for romstage debugging, minimal setup of the PCIe bridge and  the MPEX2S952 have to be added to romstage.c, otherwise the card is only available after the resource allocator has been running.
+Experimental coreboot and libpayload support is available for the [http://us.startech.com/product/MPEX2S952-2-Port-RS232-Mini-PCI-Express-Serial-Card-with-16950-UART StarTech MPEX2S952] card. Those cards are available at [http://www.amazon.com/2-PORT-Mini-Pci-Express-Card/dp/B003OCRW1Q Amazon] for around 60 USD. In order to use the card for romstage debugging, minimal setup of the PCIe bridge and  the MPEX2S952 have to be added to romstage.c, otherwise the card is only available after the resource allocator has been running.
 == USB to Serial Converters ==

@@ Line 25: / Line 25: @@
 == FILO ==
-TODO
+FILO picks up coreboot's serial console configuration, if compiled with serial console support.
 == GRUB legacy ==

@@ Line 21: / Line 21: @@
 In coreboot you have to set up serial console support during configuration. Enable Console--> Serial port console output.
-You will be able to
+You will be able to choose the UART and baud rate settings in the same menu.
-−
 == FILO ==

@@ Line 1: / Line 1: @@
 In order to get '''serial console output''' from various components of your system special options may be needed. This page tries to give a short description of how to use these options.
 == coreboot ==
-TODO
+In coreboot you have to set up serial console support during configuration. Enable Console--> Serial port console output.
 == FILO ==