| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2012 Advanced Micro Devices, Inc. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /* RAM driver for the SMSC SIO1036 Super I/O chip */ |
| |
| #include <arch/io.h> |
| #include <device/device.h> |
| #include <device/pnp.h> |
| #include <console/console.h> |
| #include <device/smbus.h> |
| #include <string.h> |
| #include <uart8250.h> |
| #include <pc80/keyboard.h> |
| #include <stdlib.h> |
| #include "chip.h" |
| #include "sio1036.h" |
| |
| /* Forward declarations */ |
| static void enable_dev(device_t dev); |
| static void sio1036_pnp_set_resources(device_t dev); |
| static void sio1036_pnp_enable_resources(device_t dev); |
| static void sio1036_pnp_enable(device_t dev); |
| static void sio1036_init(device_t dev); |
| |
| static void pnp_enter_conf_state(device_t dev); |
| static void pnp_exit_conf_state(device_t dev); |
| |
| struct chip_operations superio_smsc_sio1036_ops = { |
| CHIP_NAME("SMSC SIO1036 Super I/O") |
| .enable_dev = enable_dev |
| }; |
| |
| static struct device_operations ops = { |
| .read_resources = pnp_read_resources, |
| .set_resources = sio1036_pnp_set_resources, |
| .enable_resources = sio1036_pnp_enable_resources, |
| .enable = sio1036_pnp_enable, |
| .init = sio1036_init, |
| }; |
| |
| static struct pnp_info pnp_dev_info[] = { |
| {}, |
| }; |
| |
| static void enable_dev(device_t dev) |
| { |
| pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); |
| } |
| |
| static void sio1036_pnp_set_resources(device_t dev) |
| { |
| pnp_enter_conf_state(dev); |
| pnp_set_resources(dev); |
| pnp_exit_conf_state(dev); |
| } |
| |
| static void sio1036_pnp_enable_resources(device_t dev) |
| { |
| pnp_enter_conf_state(dev); |
| pnp_enable_resources(dev); |
| pnp_exit_conf_state(dev); |
| } |
| |
| static void sio1036_pnp_enable(device_t dev) |
| { |
| pnp_enter_conf_state(dev); |
| pnp_set_logical_device(dev); |
| |
| if(dev->enabled) { |
| pnp_set_enable(dev, 1); |
| } |
| else { |
| pnp_set_enable(dev, 0); |
| } |
| pnp_exit_conf_state(dev); |
| } |
| |
| static void sio1036_init(device_t dev) |
| { |
| struct superio_smsc_sio1036_config *conf = dev->chip_info; |
| struct resource *res0, *res1; |
| |
| |
| |
| if (!dev->enabled) { |
| return; |
| } |
| |
| switch(dev->path.pnp.device) { |
| |
| default: |
| break; |
| } |
| } |
| |
| static void pnp_enter_conf_state(device_t dev) |
| { |
| outb(0x55, dev->path.pnp.port); |
| } |
| |
| static void pnp_exit_conf_state(device_t dev) |
| { |
| outb(0xaa, dev->path.pnp.port); |
| } |
| |