src/superio/nuvoton/wpcm450/superio.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2011 Advanced Micro Devices, Inc.
   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 <console/console.h>
  25 #include <string.h>
  26 #include <bitops.h>
  27 #include <uart8250.h>
  28 #include <pc80/keyboard.h>
  29 #include <stdlib.h>
  30 #include "chip.h"
  31 #include "wpcm450.h"
  32
  33 static void init(device_t dev)
  34 {
  35         struct superio_nuvoton_wpcm450_config *conf = dev->chip_info;
  36         struct resource *res0;
  37
  38         if (!dev->enabled)
  39                 return;
  40
  41         switch(dev->path.pnp.device) {
  42         case WPCM450_SP1:
  43                 res0 = find_resource(dev, PNP_IDX_IO0);
  44                 init_uart8250(res0->base, &conf->com1);
  45                 break;
  46         case WPCM450_SP2:
  47                 res0 = find_resource(dev, PNP_IDX_IO0);
  48                 init_uart8250(res0->base, &conf->com2);
  49                 break;
  50         case WPCM450_KBCK:
  51                 pc_keyboard_init(&conf->keyboard);
  52                 break;
  53         }
  54 }
  55
  56 static struct device_operations ops = {
  57         .read_resources   = pnp_read_resources,
  58         .set_resources    = pnp_set_resources,
  59         .enable_resources = pnp_enable_resources,
  60         .enable           = pnp_enable,
  61         .init             = init,
  62 };
  63
  64 static struct pnp_info pnp_dev_info[] = {
  65         { &ops, WPCM450_SP2,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, {0x07f8, 0}, },
  66         { &ops, WPCM450_SP1,  PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
  67         { &ops, WPCM450_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07f8, 0}, {0x07f8, 4}, },
  68 };
  69
  70 static void enable_dev(struct device *dev)
  71 {
  72         pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
  73 }
  74
  75 struct chip_operations superio_nuvoton_wpcm450_ops = {
  76         CHIP_NAME("NUVOTON WPCM450 Super I/O")
  77         .enable_dev = enable_dev,
  78 };