src/mainboard/supermicro/h8qgi/mainboard.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2011 - 2012 Advanced Micro Devices, Inc.
   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 #include <console/console.h>
  17 #include <device/device.h>
  18 #include <device/pci.h>
  19 #include <arch/io.h>
  20 #include <cpu/x86/msr.h>
  21 #include <cpu/amd/mtrr.h>
  22 #include <device/pci_def.h>
  23 #include <NbPlatform.h>
  24
  25 void set_pcie_dereset(void *nbconfig);
  26 void set_pcie_reset(void *nbconfig);
  27
  28 /**
  29  *
  30  */
  31 void set_pcie_reset(void *nbconfig)
  32 {
  33 }
  34
  35 /**
  36  * Mainboard specific RD890 CIMx callback
  37  * Release Resets to PCIe Links
  38  * For Both SR56X0 chips, PCIE_RESET_GPIO1 to reset pcie
  39  */
  40 void set_pcie_dereset(void *nbconfig)
  41 {
  42         //u32 nb_dev = MAKE_SBDFO(0, 0x0, 0x0, 0x0, 0x0);
  43         u32 i;
  44         u32 val;
  45         u32 nb_addr;
  46
  47         val = 0x00000007UL;
  48         AMD_NB_CONFIG_BLOCK *pConfig = (AMD_NB_CONFIG_BLOCK*)nbconfig;
  49         for (i = 0; i < MAX_NB_COUNT; i ++) {
  50                 nb_addr = pConfig->Northbridges[i].NbPciAddress.AddressValue | NB_HTIU_INDEX;
  51                 LibNbPciIndexRMW(nb_addr,
  52                                 NB_HTIU_REGA8,
  53                                 AccessS3SaveWidth32,
  54                                 ~val,
  55                                 val,
  56                                  &(pConfig->Northbridges[i]));
  57         }
  58 }
  59
  60
  61 /*************************************************
  62  * enable the dedicated function in h8qgi board.
  63  *************************************************/
  64 static void mainboard_enable(device_t dev)
  65 {
  66         printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");
  67 }
  68
  69 struct chip_operations mainboard_ops = {
  70                 .enable_dev = mainboard_enable,
  71 };