#include <arch/romcc_io.h>
#include "i3100.h"
-static void i3100_sio_write(u8 port, u8 ldn, u8 index,
- u8 value)
+static void i3100_sio_write(u8 port, u8 ldn, u8 index, u8 value)
{
outb(0x07, port);
outb(ldn, port + 1);
static void i3100_enable_serial(u8 port, u8 ldn, u16 iobase)
{
- /* Enter configuration state */
+ /* Enter configuration state. */
outb(0x80, port);
outb(0x86, port);
- /* Enable serial port */
+ /* Enable serial port. */
i3100_sio_write(port, ldn, 0x30, 0x01);
- /* Set serial port IO region */
+ /* Set serial port I/O region. */
i3100_sio_write(port, ldn, 0x60, (iobase >> 8) & 0xff);
i3100_sio_write(port, ldn, 0x61, iobase & 0xff);
- /* Enable device interrupts, set UART_CLK predivide to 26 */
+ /* Enable device interrupts, set UART_CLK predivide to 26. */
i3100_sio_write(port, 0x00, 0x29, 0x0b);
- /* Exit configuration state */
+ /* Exit configuration state. */
outb(0x68, port);
outb(0x08, port);
}