src/superio/nsc/pc87309/superio.c

   1 /*
   2  * This file is part of the coreboot 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 <stdlib.h>
  27 #include "chip.h"
  28 #include "pc87309.h"
  29
  30 static void init(device_t dev)
  31 {
  32         struct superio_nsc_pc87309_config *conf;
  33         struct resource *res0;
  34
  35         if (!dev->enabled) {
  36                 return;
  37         }
  38         conf = dev->chip_info;
  39         switch (dev->path.pnp.device) {
  40         case PC87309_SP1:
  41                 res0 = find_resource(dev, PNP_IDX_IO0);
  42                 init_uart8250(res0->base, &conf->com1);
  43                 break;
  44         case PC87309_SP2:
  45                 res0 = find_resource(dev, PNP_IDX_IO0);
  46                 init_uart8250(res0->base, &conf->com2);
  47                 break;
  48         case PC87309_KBCK:
  49                 pc_keyboard_init(&conf->keyboard);
  50                 break;
  51         }
  52 }
  53
  54 static struct device_operations ops = {
  55         .read_resources   = pnp_read_resources,
  56         .set_resources    = pnp_set_resources,
  57         .enable_resources = pnp_enable_resources,
  58         .enable           = pnp_enable,
  59         .init             = init,
  60 };
  61
  62 static struct pnp_info pnp_dev_info[] = {
  63         {&ops, PC87309_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07fa, 0},},
  64         {&ops, PC87309_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x04f8, 0},},
  65         {&ops, PC87309_SP2,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, {0x7f8, 0},},
  66         {&ops, PC87309_SP1,  PNP_IO0 | PNP_IRQ0, {0x7f8, 0},},
  67         /* TODO: PM. */
  68         {&ops, PC87309_KBCM, PNP_IRQ0},
  69         {&ops, PC87309_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x7f8, 0}, {0x7f8, 0x4},},
  70 };
  71
  72 static void enable_dev(struct device *dev)
  73 {
  74         pnp_enable_devices(dev, &pnp_ops,
  75                 ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
  76 }
  77
  78 struct chip_operations superio_nsc_pc87309_ops = {
  79         CHIP_NAME("NSC PC87309 Super I/O")
  80         .enable_dev = enable_dev,
  81 };