src/soc/amd/stoneyridge/BiosCallOuts.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2011, 2017 Advanced Micro Devices, Inc.
   5  * Copyright (C) 2013 Sage Electronic Engineering, LLC
   6  * Copyright (C) 2017 Google Inc.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  */
  17
  18 #include <compiler.h>
  19 #include <device/device.h>
  20 #include <device/pci_def.h>
  21 #include <amdblocks/BiosCallOuts.h>
  22 #include <soc/southbridge.h>
  23 #include <soc/pci_devs.h>
  24 #include <stdlib.h>
  25
  26 #include <amdblocks/agesawrapper.h>
  27 #include <amdlib.h>
  28 #include <amdblocks/dimm_spd.h>
  29 #include "chip.h"
  30 #include <amdblocks/car.h>
  31
  32 void __weak platform_FchParams_reset(
  33                                 FCH_RESET_DATA_BLOCK *FchParams_reset) {}
  34
  35 AGESA_STATUS agesa_fch_initreset(UINT32 Func, UINTN FchData, VOID *ConfigPtr)
  36 {
  37         AMD_CONFIG_PARAMS *StdHeader = ConfigPtr;
  38
  39         if (StdHeader->Func == AMD_INIT_RESET) {
  40                 FCH_RESET_DATA_BLOCK *FchParams_reset;
  41                 FchParams_reset = (FCH_RESET_DATA_BLOCK *)FchData;
  42                 printk(BIOS_DEBUG, "Fch OEM config in INIT RESET ");
  43
  44                 /* Get platform specific configuration changes */
  45                 platform_FchParams_reset(FchParams_reset);
  46
  47                 printk(BIOS_DEBUG, "Done\n");
  48         }
  49
  50         return AGESA_SUCCESS;
  51 }
  52
  53 AGESA_STATUS agesa_fch_initenv(UINT32 Func, UINTN FchData, VOID *ConfigPtr)
  54 {
  55         AMD_CONFIG_PARAMS *StdHeader = ConfigPtr;
  56
  57         if (StdHeader->Func == AMD_INIT_ENV) {
  58                 FCH_DATA_BLOCK *FchParams_env = (FCH_DATA_BLOCK *)FchData;
  59                 printk(BIOS_DEBUG, "Fch OEM config in INIT ENV ");
  60
  61                 if (IS_ENABLED(CONFIG_STONEYRIDGE_IMC_FWM))
  62                         oem_fan_control(FchParams_env);
  63
  64                 /* XHCI configuration */
  65                 if (IS_ENABLED(CONFIG_STONEYRIDGE_XHCI_ENABLE))
  66                         FchParams_env->Usb.Xhci0Enable = TRUE;
  67                 else
  68                         FchParams_env->Usb.Xhci0Enable = FALSE;
  69                 FchParams_env->Usb.Xhci1Enable = FALSE;
  70
  71                 /* SATA configuration */
  72                 FchParams_env->Sata.SataClass = CONFIG_STONEYRIDGE_SATA_MODE;
  73                 switch ((SATA_CLASS)CONFIG_STONEYRIDGE_SATA_MODE) {
  74                 case SataRaid:
  75                 case SataAhci:
  76                 case SataAhci7804:
  77                 case SataLegacyIde:
  78                         FchParams_env->Sata.SataIdeMode = FALSE;
  79                         break;
  80                 case SataIde2Ahci:
  81                 case SataIde2Ahci7804:
  82                 default: /* SataNativeIde */
  83                         FchParams_env->Sata.SataIdeMode = TRUE;
  84                         break;
  85                 }
  86
  87                 /* Platform updates */
  88                 platform_FchParams_env(FchParams_env);
  89
  90                 printk(BIOS_DEBUG, "Done\n");
  91         }
  92
  93         return AGESA_SUCCESS;
  94 }
  95
  96 AGESA_STATUS agesa_ReadSpd(UINT32 Func, UINTN Data, VOID *ConfigPtr)
  97 {
  98         uint8_t spd_address;
  99         int err;
 100         DEVTREE_CONST struct device *dev;
 101         DEVTREE_CONST struct soc_amd_stoneyridge_config *conf;
 102         AGESA_READ_SPD_PARAMS *info = ConfigPtr;
 103
 104         if (!ENV_ROMSTAGE)
 105                 return AGESA_UNSUPPORTED;
 106
 107         dev = dev_find_slot(0, DCT_DEVFN);
 108         if (dev == NULL)
 109                 return AGESA_ERROR;
 110
 111         conf = dev->chip_info;
 112         if (conf == NULL)
 113                 return AGESA_ERROR;
 114
 115         if (info->SocketId >= ARRAY_SIZE(conf->spd_addr_lookup))
 116                 return AGESA_ERROR;
 117         if (info->MemChannelId >= ARRAY_SIZE(conf->spd_addr_lookup[0]))
 118                 return AGESA_ERROR;
 119         if (info->DimmId >= ARRAY_SIZE(conf->spd_addr_lookup[0][0]))
 120                 return AGESA_ERROR;
 121
 122         spd_address = conf->spd_addr_lookup
 123                 [info->SocketId][info->MemChannelId][info->DimmId];
 124         if (spd_address == 0)
 125                 return AGESA_ERROR;
 126
 127         err = mainboard_read_spd(spd_address, (void *)info->Buffer,
 128                                 CONFIG_DIMM_SPD_SIZE);
 129
 130         /* Read the SPD if the mainboard didn't fill the buffer */
 131         if (err || (*info->Buffer == 0))
 132                 err = sb_read_spd(spd_address, (void *)info->Buffer,
 133                                 CONFIG_DIMM_SPD_SIZE);
 134
 135         if (err)
 136                 return AGESA_ERROR;
 137
 138         return AGESA_SUCCESS;
 139 }
 140
 141 AGESA_STATUS agesa_HaltThisAp(UINT32 Func, UINTN Data, VOID *ConfigPtr)
 142 {
 143         AGESA_HALT_THIS_AP_PARAMS *info = ConfigPtr;
 144         uint32_t flags = 0;
 145
 146         if (info->PrimaryCore == TRUE)
 147                 return AGESA_UNSUPPORTED; /* force normal path */
 148         if (info->ExecWbinvd == TRUE)
 149                 flags |= 1;
 150         if (info->CacheEn == TRUE)
 151                 flags |= 2;
 152
 153         ap_teardown_car(flags); /* does not return */
 154
 155         /* Should never reach here */
 156         return AGESA_UNSUPPORTED;
 157 }
 158
 159 /* Allow mainboards to fill the SPD buffer */
 160 __weak int mainboard_read_spd(uint8_t spdAddress, char *buf,
 161                                                 size_t len)
 162 {
 163         printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
 164         return -1; /* SPD not read */
 165 }