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authorGreg Watson <jarrah@users.sourceforge.net>2004-01-14 17:08:14 +0000
committerGreg Watson <jarrah@users.sourceforge.net>2004-01-14 17:08:14 +0000
commitbf5b58480129dcd6a770f3f2b237511fb295918e (patch)
tree6d0ee07365f6e9377bcb6c65c013eb2b2cc9b730 /src
parent696ba78a1359b311b85c55aead4511f76a1b1607 (diff)
allow TTYS0_DIV to be set explicitly
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1334 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
-rw-r--r--src/config/Options.lb6
-rw-r--r--src/console/uart8250_console.c3
2 files changed, 8 insertions, 1 deletions
diff --git a/src/config/Options.lb b/src/config/Options.lb
index e0ee437c9b..ef59a779e8 100644
--- a/src/config/Options.lb
+++ b/src/config/Options.lb
@@ -395,6 +395,12 @@ define TTYS0_BAUD
export always
comment "Default baud rate for serial console"
end
+define TTYS0_DIV
+ default none
+ format "%d"
+ export used
+ comment "Allow UART divisor to be set explicitly"
+end
define TTYS0_LCS
default 0x3
format "0x%x"
diff --git a/src/console/uart8250_console.c b/src/console/uart8250_console.c
index 6eeeb6aa55..bb51d0f363 100644
--- a/src/console/uart8250_console.c
+++ b/src/console/uart8250_console.c
@@ -11,11 +11,12 @@
#define TTYS0_BAUD 115200
#endif
+#ifndef TTYS0_DIV
#if ((115200%TTYS0_BAUD) != 0)
#error Bad ttys0 baud rate
#endif
-
#define TTYS0_DIV (115200/TTYS0_BAUD)
+#endif
/* Line Control Settings */
#ifndef TTYS0_LCS