src/southbridge/sis/sis966/sis966_usb.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2004 Tyan Computer
   5  * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
   6  * Copyright (C) 2006,2007 AMD
   7  * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
   8  * Copyright (C) 2007 Silicon Integrated Systems Corp. (SiS)
   9  * Written by Morgan Tsai <my_tsai@sis.com> for SiS.
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  24  */
  25
  26 #include <console/console.h>
  27 #include <device/device.h>
  28 #include <device/pci.h>
  29 #include <device/pci_ids.h>
  30 #include <device/pci_ops.h>
  31 #include "sis966.h"
  32
  33 uint8_t SiS_SiS7001_init[16][3]={
  34 {0x04, 0x00, 0x07},
  35 {0x0C, 0x00, 0x08},
  36 {0x0D, 0x00, 0x20},
  37
  38 {0x2C, 0xFF, 0x39},
  39 {0x2D, 0xFF, 0x10},
  40 {0x2E, 0xFF, 0x01},
  41 {0x2F, 0xFF, 0x70},
  42
  43 {0x44, 0x00, 0x54},
  44 {0x45, 0x00, 0xAD},
  45 {0x46, 0x00, 0x01},
  46 {0x47, 0x00, 0x00},
  47
  48 {0x48, 0x00, 0x73},
  49 {0x49, 0x00, 0x02},
  50 {0x4A, 0x00, 0x00},
  51 {0x4B, 0x00, 0x00},
  52
  53 {0x00, 0x00, 0x00}                                      //End of table
  54 };
  55
  56 static void usb_init(struct device *dev)
  57 {
  58         print_debug("USB 1.1 INIT:---------->\n");
  59
  60 //-------------- enable USB1.1 (SiS7001) -------------------------
  61 {
  62         uint8_t  temp8;
  63         int i=0;
  64
  65          while(SiS_SiS7001_init[i][0] != 0)
  66          {                              temp8 = pci_read_config8(dev, SiS_SiS7001_init[i][0]);
  67                                         temp8 &= SiS_SiS7001_init[i][1];
  68                                         temp8 |= SiS_SiS7001_init[i][2];
  69                                         pci_write_config8(dev, SiS_SiS7001_init[i][0], temp8);
  70                                         i++;
  71          };
  72 }
  73 //-----------------------------------------------------------
  74
  75 #if DEBUG_USB
  76 {
  77         int i;
  78
  79         print_debug("****** USB 1.1 PCI config ******");
  80         print_debug("\n    03020100  07060504  0B0A0908  0F0E0D0C");
  81
  82         for(i=0;i<0xff;i+=4){
  83                 if((i%16)==0){
  84                         print_debug("\r\n");
  85                         print_debug_hex8(i);
  86                         print_debug(": ");
  87                 }
  88                 print_debug_hex32(pci_read_config32(dev,i));
  89                 print_debug("  ");
  90         }
  91         print_debug("\r\n");
  92 }
  93 #endif
  94         print_debug("USB 1.1 INIT:<----------\n");
  95 }
  96
  97 static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
  98 {
  99         pci_write_config32(dev, 0x40,
 100                 ((device & 0xffff) << 16) | (vendor & 0xffff));
 101 }
 102 static struct pci_operations lops_pci = {
 103         .set_subsystem  = lpci_set_subsystem,
 104 };
 105
 106 static struct device_operations usb_ops = {
 107         .read_resources = pci_dev_read_resources,
 108         .set_resources  = pci_dev_set_resources,
 109         .enable_resources       = pci_dev_enable_resources,
 110         .init           = usb_init,
 111 //      .enable         = sis966_enable,
 112         .scan_bus       = 0,
 113         .ops_pci        = &lops_pci,
 114 };
 115
 116 static const struct pci_driver usb_driver __pci_driver = {
 117         .ops    = &usb_ops,
 118         .vendor = PCI_VENDOR_ID_SIS,
 119         .device = PCI_DEVICE_ID_SIS_SIS966_USB,
 120 };