[commit] r5798 - trunk/src/pc80

[repository service]

Author: mjones
Date: Thu Sep  9 22:37:00 2010
New Revision: 5798
URL: https://tracker.coreboot.org/trac/coreboot/changeset/5798

Log:
This patch avoids a timeout during PS/2 keyboard
initialization. It can reduce KBC init time by up to 400 ms on
real hardware, and by a minute or so on AMD simnow.

Signed-off-by: Scott Duplichan 
Acked-by: Marc Jones

Modified:
   trunk/src/pc80/keyboard.c

Modified: trunk/src/pc80/keyboard.c
==============================================================================
--- trunk/src/pc80/keyboard.c	Thu Sep  9 18:00:20 2010	(r5797)
+++ trunk/src/pc80/keyboard.c	Thu Sep  9 22:37:00 2010	(r5798)
@@ -244,7 +244,7 @@
    outb(0x60, KBD_COMMAND);
    if (!kbc_input_buffer_empty()) return;
    outb(0x61, KBD_DATA);	/* send cmd: enable keyboard and IRQ 1 */
-	if (kbc_output_buffer_full()) {
+	if (!kbc_input_buffer_empty()) {
    	printk(BIOS_ERR, "Timeout during final keyboard enable\n");
    	return;
    }