[coreboot] [commit] r5798 - trunk/src/pc80
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Thu Sep 9 22:37:01 CEST 2010
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 <scott at notabs.org>
Acked-by: Marc Jones <marcj303 at gmail.com>
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;
}
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