src/superio/smsc/lpc47m15x/superio.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2009 coresystems GmbH
   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; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 /* RAM driver for the SMSC LPC47M15X Super I/O chip */
  17
  18 #include <arch/io.h>
  19 #include <device/device.h>
  20 #include <device/pnp.h>
  21 #include <superio/conf_mode.h>
  22 #include <console/console.h>
  23 #include <device/smbus.h>
  24 #include <string.h>
  25 #include <pc80/keyboard.h>
  26 #include <stdlib.h>
  27 #include "lpc47m15x.h"
  28
  29 /* Forward declarations */
  30 static void enable_dev(struct device *dev);
  31 static void lpc47m15x_init(struct device *dev);
  32
  33 struct chip_operations superio_smsc_lpc47m15x_ops = {
  34         CHIP_NAME("SMSC LPC47M15x/192/997 Super I/O")
  35         .enable_dev = enable_dev
  36 };
  37
  38 static struct device_operations ops = {
  39         .read_resources   = pnp_read_resources,
  40         .set_resources    = pnp_set_resources,
  41         .enable_resources = pnp_enable_resources,
  42         .enable           = pnp_alt_enable,
  43         .init             = lpc47m15x_init,
  44         .ops_pnp_mode     = &pnp_conf_mode_55_aa,
  45 };
  46
  47 static struct pnp_info pnp_dev_info[] = {
  48         { &ops, LPC47M15X_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
  49         { &ops, LPC47M15X_PP,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
  50         { &ops, LPC47M15X_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
  51         { &ops, LPC47M15X_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
  52         { &ops, LPC47M15X_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, {0x07ff, 0}, {0x07ff, 4}, },
  53 };
  54
  55 static void enable_dev(struct device *dev)
  56 {
  57         pnp_enable_devices(dev, &pnp_ops,
  58                            ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
  59 }
  60
  61 static void lpc47m15x_init(struct device *dev)
  62 {
  63
  64         if (!dev->enabled)
  65                 return;
  66
  67         switch(dev->path.pnp.device) {
  68         case LPC47M15X_KBC:
  69                 pc_keyboard_init();
  70                 break;
  71         }
  72 }