src/superio/NSC/pc8374/superio.c

   1 /* Copyright 2000  AG Electronics Ltd. */
   2 /* Copyright 2003-2004 Linux Networx */
   3 /* This code is distributed without warranty under the GPL v2 (see COPYING) */
   4
   5 #include <arch/io.h>
   6 #include <device/device.h>
   7 #include <device/pnp.h>
   8 #include <console/console.h>
   9 #include <string.h>
  10 #include <bitops.h>
  11 #include <uart8250.h>
  12 #include <pc80/keyboard.h>
  13 #include "chip.h"
  14 #include "pc8374.h"
  15
  16 static void init(device_t dev)
  17 {
  18         struct superio_NSC_pc8374_config *conf;
  19         struct resource *res0, *res1;
  20         /* Wishlist handle well known programming interfaces more
  21          * generically.
  22          */
  23         if (!dev->enabled) {
  24                 return;
  25         }
  26         conf = dev->chip_info;
  27         switch(dev->path.u.pnp.device) {
  28         case PC8374_SP1:
  29                 res0 = find_resource(dev, PNP_IDX_IO0);
  30                 init_uart8250(res0->base, &conf->com1);
  31                 break;
  32         case PC8374_SP2:
  33                 res0 = find_resource(dev, PNP_IDX_IO0);
  34                 init_uart8250(res0->base, &conf->com2);
  35                 break;
  36         case PC8374_KBCK:
  37                 res0 = find_resource(dev, PNP_IDX_IO0);
  38                 res1 = find_resource(dev, PNP_IDX_IO1);
  39                 init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
  40                 break;
  41         }
  42 }
  43
  44 static struct device_operations ops = {
  45         .read_resources   = pnp_read_resources,
  46         .set_resources    = pnp_set_resources,
  47         .enable_resources = pnp_enable_resources,
  48         .enable           = pnp_enable,
  49         .init             = init,
  50 };
  51
  52 static struct pnp_info pnp_dev_info[] = {
  53  { &ops, PC8374_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07fa, 0}, },
  54  { &ops, PC8374_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x04f8, 0}, },
  55  { &ops, PC8374_SP2,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, },
  56  { &ops, PC8374_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
  57  { &ops, PC8374_SWC,  PNP_IO0 | PNP_IRQ0, { 0xfff0, 0 }, },
  58  { &ops, PC8374_KBCM, PNP_IRQ0 },
  59  { &ops, PC8374_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7f8, 0 }, { 0x7f8, 0x4}, },
  60  { &ops, PC8374_GPIO, PNP_IO0 | PNP_IRQ0, { 0xfff8, 0 } },
  61 };
  62
  63
  64 static void enable_dev(struct device *dev)
  65 {
  66         pnp_enable_devices(dev, &ops,
  67                 sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info);
  68 }
  69
  70 struct chip_operations superio_NSC_pc8374_ops = {
  71         CHIP_NAME("NSC 8374")
  72         .enable_dev = enable_dev,
  73 };