diff options
Diffstat (limited to 'src/pc80/keyboard.c')
| -rw-r--r-- | src/pc80/keyboard.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/pc80/keyboard.c b/src/pc80/keyboard.c index 04abe043cb..6b80620695 100644 --- a/src/pc80/keyboard.c +++ b/src/pc80/keyboard.c @@ -154,7 +154,7 @@ static u8 send_keyboard(u8 command) } regval = inb(KBD_DATA); --resend; - } while (regval == 0xFE && resend > 0); + } while (regval == KBD_REPLY_RESEND && resend > 0); return regval; } @@ -183,7 +183,13 @@ void pc_keyboard_init(struct pc_keyboard *keyboard) /* reset keyboard and self test (keyboard side) */ regval = send_keyboard(0xFF); - if (regval != 0xFA) { + if (regval == KBD_REPLY_RESEND) { + /* keeps sending RESENDs, probably no keyboard. */ + printk_info("No PS/2 keyboard detected.\n"); + return; + } + + if (regval != KBD_REPLY_ACK) { printk_err("Keyboard selftest failed ACK: 0x%x\n", regval); return; } @@ -206,27 +212,27 @@ void pc_keyboard_init(struct pc_keyboard *keyboard) /* disable the keyboard */ regval = send_keyboard(0xF5); - if (regval != 0xFA) { + if (regval != KBD_REPLY_ACK) { printk_err("Keyboard disable failed ACK: 0x%x\n", regval); return; } /* Set scancode command */ regval = send_keyboard(0xF0); - if (regval != 0xFA) { + if (regval != KBD_REPLY_ACK) { printk_err("Keyboard set scancode cmd failed ACK: 0x%x\n", regval); return; } /* Set scancode mode 2 */ regval = send_keyboard(0x02); - if (regval != 0xFA) { + if (regval != KBD_REPLY_ACK) { printk_err("Keyboard set scancode mode failed ACK: 0x%x\n", regval); return; } /* enable the keyboard */ regval = send_keyboard(0xF4); - if (regval != 0xFA) { + if (regval != KBD_REPLY_ACK) { printk_err("Keyboard enable failed ACK: 0x%x\n", regval); return; } |