serial: Ensure DLAB off before initiatialisation

2022-03-11 05:11:09 +01:00 · 2022-03-11 05:11:09 +01:00 · c2b1be81dc
parent d6be41921f
commit c2b1be81dc
1 changed files with 1 additions and 0 deletions
--- a/common/drivers/serial.s2.c
+++ b/common/drivers/serial.s2.c
@ -34,6 +34,7 @@ static void serial_initialise(void) {

 #if bios == 1
    // Init com1
+    outb(0x3f8 + 3, 0x00);
    outb(0x3f8 + 1, 0x00);
    outb(0x3f8 + 3, 0x80);
    outb(0x3f8 + 0, 0x0c); // 9600 baud