[coreboot] [PATCH] timeout during PS/2 keyboard init

[Scott Duplichan]

Thanks Marc. 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 <sc...@notabs.org>

Index: src/pc80/keyboard.c
===================================================================
--- src/pc80/keyboard.c (revision 5788)
+++ src/pc80/keyboard.c (working copy)
@@ -242,7 +242,7 @@
        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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