2 * This file is part of the coreboot project.
4 * Copyright (C) 2009 coresystems GmbH
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 /* Pre-RAM driver for the SMSC LPC47M15X Super I/O chip */
22 #include <arch/romcc_io.h>
23 #include "lpc47m15x.h"
25 static inline void pnp_enter_conf_state(device_t dev)
27 unsigned port = dev>>8;
31 static void pnp_exit_conf_state(device_t dev)
33 unsigned port = dev>>8;
37 static inline void lpc47m15x_enable_serial(device_t dev, unsigned iobase)
39 pnp_enter_conf_state(dev);
40 pnp_set_logical_device(dev);
41 pnp_set_enable(dev, 0);
42 pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
43 pnp_set_enable(dev, 1);
44 pnp_exit_conf_state(dev);