src/superio/nsc/pc97317/superio.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2000 AG Electronics Ltd.
   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 <console/console.h>
  23 #include <device/device.h>
  24 #include <device/pnp.h>
  25 #include <stdlib.h>
  26 #include "chip.h"
  27 #include "pc97317.h"
  28
  29 static void init(device_t dev)
  30 {
  31         struct superio_nsc_pc97317_config *conf;
  32         struct resource *res0, *res1;
  33
  34         if (!dev->enabled) {
  35                 return;
  36         }
  37         conf = dev->chip_info;
  38         switch(dev->path.pnp.device) {
  39         case PC97317_SP1:
  40                 res0 = find_resource(dev, PNP_IDX_IO0);
  41                 init_uart8250(res0->base, &conf->com1);
  42                 break;
  43
  44         case PC97317_SP2:
  45                 res0 = find_resource(dev, PNP_IDX_IO0);
  46                 init_uart8250(res0->base, &conf->com2);
  47                 break;
  48
  49         case PC97317_KBCK:
  50                 /* Enable keyboard */
  51                 pnp_set_logical_device(dev);
  52                 pnp_set_enable(dev, 0); /* Disable keyboard */
  53                 pnp_write_config(dev, 0xf0, 0x40); /* Set KBC clock to 8 Mhz */
  54                 pnp_set_enable(dev, 1); /* Enable keyboard */
  55
  56                 res0 = find_resource(dev, PNP_IDX_IO0);
  57                 res1 = find_resource(dev, PNP_IDX_IO1);
  58                 pc_keyboard_init(&conf->keyboard);
  59                 break;
  60
  61 #if 0
  62         case PC97317_FDC:
  63         {
  64                 unsigned reg;
  65                 /* Set up floppy in PS/2 mode */
  66                 outb(0x09, SIO_CONFIG_RA);
  67                 reg = inb(SIO_CONFIG_RD);
  68                 reg = (reg & 0x3F) | 0x40;
  69                 outb(reg, SIO_CONFIG_RD);
  70                 outb(reg, SIO_CONFIG_RD);       /* Have to write twice to change! */
  71                 break;
  72         }
  73 #endif
  74         default:
  75                 break;
  76         }
  77 }
  78
  79 static struct device_operations ops = {
  80         .read_resources   = pnp_read_resources,
  81         .set_resources    = pnp_set_resources,
  82         .enable_resources = pnp_enable_resources,
  83         .enable           = pnp_enable,
  84         .init             = init,
  85 };
  86
  87 static struct pnp_info pnp_dev_info[] = {
  88         { &ops, PC97317_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0xffb, 0 }, { 0xffb, 0x4}, },
  89         { &ops, PC97317_KBCM, PNP_IRQ0 },
  90         { &ops, PC97317_RTC,  PNP_IO0 | PNP_IRQ0, { 0xfffe, 0}, },
  91         { &ops, PC97317_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0xfffa, 0}, },
  92         { &ops, PC97317_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x03fc, 0}, },
  93         { &ops, PC97317_SP2,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0xfff8, 0 }, },
  94         { &ops, PC97317_SP1,  PNP_IO0 | PNP_IRQ0, { 0xfff8, 0 }, },
  95         { &ops, PC97317_GPIO, PNP_IO0, { 0xfff8, 0 } },
  96         { &ops, PC97317_PM,   PNP_IO0, { 0xfffe, 0 } },
  97 };
  98
  99 static void enable_dev(struct device *dev)
 100 {
 101         pnp_enable_devices(dev, &ops,
 102                 ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
 103 }
 104
 105 struct chip_operations superio_nsc_pc97317_ops = {
 106         CHIP_NAME("NSC PC97317 Super I/O")
 107         .enable_dev = enable_dev,
 108 };