src/southbridge/sis/sis966/sis966_usb2.c

   1 /*
   2  * This file is part of the LinuxBIOS 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 <arch/io.h>
  32 #include "sis966.h"
  33 #if CONFIG_USBDEBUG_DIRECT
  34 #include <usbdebug_direct.h>
  35 #endif
  36
  37 extern struct ehci_debug_info dbg_info;
  38
  39 // From Y.S.
  40 // PCI R43h-R40h=00000020h
  41 // PCI R4Bh-R48h=00078010h
  42 uint8_t SiS_SiS7002_init[19][3]={
  43 {0x04, 0x00, 0x06},
  44
  45 {0x2C, 0xFF, 0x39},
  46 {0x2D, 0xFF, 0x10},
  47 {0x2E, 0xFF, 0x02},
  48 {0x2F, 0xFF, 0x70},
  49
  50 {0x74, 0x00, 0x00},
  51 {0x75, 0x00, 0x00},
  52 {0x76, 0x00, 0x00},
  53 {0x77, 0x00, 0x00},
  54
  55 {0x40, 0x00, 0x20},
  56 {0x41, 0x00, 0x00},
  57 {0x42, 0x00, 0x00},
  58 {0x43, 0x00, 0x08},
  59
  60 {0x44, 0x00, 0x64},
  61
  62 {0x48, 0x00, 0x10},
  63 {0x49, 0x00, 0x80},
  64 {0x4A, 0x00, 0x07},
  65 {0x4B, 0x00, 0x00},
  66
  67 {0x00, 0x00, 0x00}                                      //End of table
  68 };
  69
  70
  71
  72 static void usb2_init(struct device *dev)
  73 {
  74        uint8_t *base;
  75         struct resource *res;
  76         uint32_t temp32;
  77
  78
  79 //-------------- enable USB2.0 (SiS7002) -------------------------
  80 {
  81         uint8_t  temp8;
  82         int i=0;
  83
  84         printk_debug("USB2.0_Init\n");
  85
  86         while(SiS_SiS7002_init[i][0] != 0)
  87         {                               temp8 = pci_read_config8(dev, SiS_SiS7002_init[i][0]);
  88                                         temp8 &= SiS_SiS7002_init[i][1];
  89                                         temp8 |= SiS_SiS7002_init[i][2];
  90                                         pci_write_config8(dev, SiS_SiS7002_init[i][0], temp8);
  91                                         i++;
  92         };
  93 }
  94
  95        res = find_resource(dev, 0x10);
  96         if(!res)
  97                 return;
  98
  99         base =(uint8_t *) res->base;
 100         printk_debug("base = %08x\n", base);
 101        writel(0x2,base+0x20);
 102 //-----------------------------------------------------------
 103
 104 #if 0
 105 {
 106     int i;
 107     printk_debug("\nUSB 2.0 PCI config");
 108     for(i=0;i<0xFF;i+=4)
 109     {
 110         if((i%16)==0)
 111         {
 112             print_debug("\r\n");print_debug_hex8(i);print_debug(": ");}
 113             print_debug_hex32(pci_read_config32(dev,i));
 114             print_debug("  ");
 115         }
 116         print_debug("\r\n");
 117     }
 118 #endif
 119
 120 }
 121
 122 static void usb2_set_resources(struct device *dev)
 123 {
 124 #if CONFIG_USBDEBUG_DIRECT
 125         struct resource *res;
 126         unsigned base;
 127         unsigned old_debug;
 128
 129         old_debug = get_ehci_debug();
 130         set_ehci_debug(0);
 131 #endif
 132         pci_dev_set_resources(dev);
 133
 134 #if CONFIG_USBDEBUG_DIRECT
 135         res = find_resource(dev, 0x10);
 136         set_ehci_debug(old_debug);
 137         if (!res) return;
 138         base = res->base;
 139         set_ehci_base(base);
 140         report_resource_stored(dev, res, "");
 141 #endif
 142
 143 }
 144
 145 static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
 146 {
 147         pci_write_config32(dev, 0x40,
 148                 ((device & 0xffff) << 16) | (vendor & 0xffff));
 149 }
 150 static struct pci_operations lops_pci = {
 151         .set_subsystem  = lpci_set_subsystem,
 152 };
 153
 154 static struct device_operations usb2_ops  = {
 155         .read_resources = pci_dev_read_resources,
 156         .set_resources  = usb2_set_resources,
 157         .enable_resources       = pci_dev_enable_resources,
 158         .init           = usb2_init,
 159 //      .enable         = sis966_enable,
 160         .scan_bus       = 0,
 161         .ops_pci        = &lops_pci,
 162 };
 163
 164 static const struct pci_driver usb2_driver __pci_driver = {
 165         .ops    = &usb2_ops,
 166         .vendor = PCI_VENDOR_ID_SIS,
 167         .device = PCI_DEVICE_ID_SIS_SIS966_EHCI,
 168 };