src/superio/ite/it8671f/superio.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2006 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 <device/device.h>
  22 #include <device/pnp.h>
  23 #include <uart8250.h>
  24 #include <pc80/keyboard.h>
  25 #include <stdlib.h>
  26 #include "chip.h"
  27 #include "it8671f.h"
  28
  29 static void init(device_t dev)
  30 {
  31         struct superio_ite_it8671f_config *conf;
  32         struct resource *res0, *res1;
  33
  34         if (!dev->enabled) {
  35                 return;
  36         }
  37
  38         conf = dev->chip_info;
  39
  40         switch (dev->path.pnp.device) {
  41         case IT8671F_FDC: /* TODO. */
  42                 break;
  43         case IT8671F_SP1:
  44                 res0 = find_resource(dev, PNP_IDX_IO0);
  45                 init_uart8250(res0->base, &conf->com1);
  46                 break;
  47         case IT8671F_SP2:
  48                 res0 = find_resource(dev, PNP_IDX_IO0);
  49                 init_uart8250(res0->base, &conf->com2);
  50                 break;
  51         case IT8671F_PP: /* TODO. */
  52                 break;
  53         case IT8671F_KBCK:
  54                 res0 = find_resource(dev, PNP_IDX_IO0);
  55                 res1 = find_resource(dev, PNP_IDX_IO1);
  56                 pc_keyboard_init(&conf->keyboard);
  57                 break;
  58         case IT8671F_KBCM: /* TODO. */
  59                 break;
  60         }
  61 }
  62
  63 static struct device_operations ops = {
  64         .read_resources   = pnp_read_resources,
  65         .set_resources    = pnp_set_resources,
  66         .enable_resources = pnp_enable_resources,
  67         .enable           = pnp_enable,
  68         .init             = init,
  69 };
  70
  71 /* TODO: FDC, PP, KBCM. */
  72 static struct pnp_info pnp_dev_info[] = {
  73         { &ops, IT8671F_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
  74         { &ops, IT8671F_SP2,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, },
  75         { &ops, IT8671F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7f8, 0 }, { 0x7f8, 0x4}, },
  76 };
  77
  78 static void enable_dev(struct device *dev)
  79 {
  80         pnp_enable_devices(dev, &pnp_ops,
  81                 ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
  82 }
  83
  84 struct chip_operations superio_ite_it8671f_ops = {
  85         CHIP_NAME("ITE IT8671F Super I/O")
  86         .enable_dev = enable_dev,
  87 };