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 <[email protected]> Acked-by: Marc Jones <[email protected]> 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; } -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
