diff options
| author | Scott Duplichan <scott@notabs.org> | 2010-09-09 20:37:00 +0000 |
|---|---|---|
| committer | Marc Jones <marc.jones@amd.com> | 2010-09-09 20:37:00 +0000 |
| commit | 9c934d1d468fca0fd955e869324f5846426e1b32 (patch) | |
| tree | 229bbd62a60549fba84b0d77f971a5d94e955b34 | |
| parent | 8f8a51cded3338327059dc9e87e4e8a3519793f2 (diff) | |
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@notabs.org>
Acked-by: Marc Jones <marcj303@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5798 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
| -rw-r--r-- | src/pc80/keyboard.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pc80/keyboard.c b/src/pc80/keyboard.c index 9dadf0e39a..8552860b6f 100644 --- a/src/pc80/keyboard.c +++ b/src/pc80/keyboard.c @@ -244,7 +244,7 @@ void pc_keyboard_init(struct pc_keyboard *keyboard) 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; } |