Add support for the NSC PC87309 Super I/O.
[coreboot.git] / src / superio / nsc / pc87309 / superio.c
1 /*
2  * This file is part of the LinuxBIOS project.
3  *
4  * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
5  *
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; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
19  */
20
21 #include <arch/io.h>
22 #include <device/device.h>
23 #include <device/pnp.h>
24 #include <uart8250.h>
25 #include <pc80/keyboard.h>
26 #include "chip.h"
27 #include "pc87309.h"
28
29 static void init(device_t dev)
30 {
31         struct superio_nsc_pc87309_config *conf;
32         struct resource *res0, *res1;
33
34         if (!dev->enabled) {
35                 return;
36         }
37         conf = dev->chip_info;
38         switch (dev->path.u.pnp.device) {
39         case PC87309_SP1:
40                 res0 = find_resource(dev, PNP_IDX_IO0);
41                 init_uart8250(res0->base, &conf->com1);
42                 break;
43         case PC87309_SP2:
44                 res0 = find_resource(dev, PNP_IDX_IO0);
45                 init_uart8250(res0->base, &conf->com2);
46                 break;
47         case PC87309_KBCK:
48                 res0 = find_resource(dev, PNP_IDX_IO0);
49                 res1 = find_resource(dev, PNP_IDX_IO1);
50                 init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
51                 break;
52         }
53 }
54
55 static struct device_operations ops = {
56         .read_resources   = pnp_read_resources,
57         .set_resources    = pnp_set_resources,
58         .enable_resources = pnp_enable_resources,
59         .enable           = pnp_enable,
60         .init             = init,
61 };
62
63 static struct pnp_info pnp_dev_info[] = {
64         {&ops, PC87309_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07fa, 0},},
65         {&ops, PC87309_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x04f8, 0},},
66         {&ops, PC87309_SP2,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, {0x7f8, 0},},
67         {&ops, PC87309_SP1,  PNP_IO0 | PNP_IRQ0, {0x7f8, 0},},
68         // TODO: PM.
69         {&ops, PC87309_KBCM, PNP_IRQ0},
70         {&ops, PC87309_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x7f8, 0}, {0x7f8, 0x4},},
71 };
72
73 static void enable_dev(struct device *dev)
74 {
75         pnp_enable_devices(dev, &pnp_ops,
76                 sizeof(pnp_dev_info) / sizeof(pnp_dev_info[0]), pnp_dev_info);
77 }
78
79 struct chip_operations superio_nsc_pc87309_ops = {
80         CHIP_NAME("NSC PC87309 Super I/O")
81         .enable_dev = enable_dev,
82 };