coreboot-kgpe-d16/src/mainboard/facebook/monolith/com_init.c
Wim Vervoorn 4f012694dd mb/facebook/monolith: Configure COMB to 0x3e8
The 2nd COM port's base address defaults to 0x2f8. Current software
for this system expects the port at 0x3e8.

Configure COMB to use 0x3e8 instead of 0x2f8.

BUG=N/A
TEST=tested on facebook monolith

Change-Id: Ibb462bad5f0594e0b5c8dea6e02cd42d58d999ab
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39499
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-03-25 10:53:38 +00:00

32 lines
1.1 KiB
C

/*
* This file is part of the coreboot project.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <bootblock_common.h>
#include <device/pnp_ops.h>
#include <device/pnp.h>
#include "onboard.h"
#define SERIAL_DEV1 PNP_DEV(ITE8528_CMD_PORT, 1) /* ITE8528 UART1 */
#define SERIAL_DEV2 PNP_DEV(ITE8528_CMD_PORT, 2) /* ITE8528 UART2 */
void bootblock_mainboard_early_init(void)
{
/* Enable the serial ports inside the EC */
pnp_set_logical_device(SERIAL_DEV1);
pnp_set_enable(SERIAL_DEV1, 1);
pnp_set_logical_device(SERIAL_DEV2);
pnp_set_iobase(SERIAL_DEV2, PNP_IDX_IO0, 0x3e8);
pnp_set_irq(SERIAL_DEV2, PNP_IDX_IRQ0, 3);
pnp_set_enable(SERIAL_DEV2, 1);
}