Martin Roth (martinroth@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/12487
-gerrit
commit 2fc653e16cafc0d6a68354e16b5d8c65f57eb8e1 Author: Martin Roth martinroth@google.com Date: Thu Nov 19 11:40:43 2015 -0700
console: Add help for serial IO port selection
Add help and a comment about the serial IO port selection to give the user better feedback when a port index is selected.
Change-Id: I4c1614be51aee0286308fbc5c24554e218120bf7 Signed-off-by: Martin Roth martinroth@google.com --- src/console/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/src/console/Kconfig b/src/console/Kconfig index d815637..3130ee9 100644 --- a/src/console/Kconfig +++ b/src/console/Kconfig @@ -43,6 +43,9 @@ if CONSOLE_SERIAL config UART_FOR_CONSOLE int "Index for UART port to use for console" default 0 + help + Select an I/O port to use for serial console: + 0 = 0x3f8, 1 = 0x2f8, 2 = 0x3e8, 3 = 0x2e8
# FIXME: Early programming in romstage is incorrect as we should # program different LDN to actually change the physical port. @@ -56,6 +59,15 @@ config TTYS0_BASE help Map the COM port number to the respective I/O port.
+comment "Serial port base address = 0x3f8" +depends on UART_FOR_CONSOLE = 0 +comment "Serial port base address = 0x2f8" +depends on UART_FOR_CONSOLE = 1 +comment "Serial port base address = 0x3e8" +depends on UART_FOR_CONSOLE = 2 +comment "Serial port base address = 0x2e8" +depends on UART_FOR_CONSOLE = 3 + choice prompt "Baud rate" default CONSOLE_SERIAL_115200