src/mainboard/pcengines/apu1/BiosCallOuts.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <AGESA.h>
   5 #include <spd_bin.h>
   6 #include <northbridge/amd/agesa/BiosCallOuts.h>
   7 #include <SB800.h>
   8
   9 #include "gpio_ftns.h"
  10
  11 static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINTN Data, VOID *ConfigPtr);
  12 static AGESA_STATUS board_ReadSpd_from_cbfs(UINT32 Func, UINTN Data, VOID *ConfigPtr);
  13
  14 const BIOS_CALLOUT_STRUCT BiosCallouts[] =
  15 {
  16         {AGESA_DO_RESET,                        agesa_Reset },
  17         {AGESA_READ_SPD,                        board_ReadSpd_from_cbfs },
  18         {AGESA_READ_SPD_RECOVERY,               agesa_NoopUnsupported },
  19         {AGESA_RUNFUNC_ONAP,                    agesa_RunFuncOnAp },
  20         {AGESA_GNB_PCIE_SLOT_RESET,             agesa_NoopSuccess },
  21         {AGESA_HOOKBEFORE_DRAM_INIT,            board_BeforeDramInit },
  22         {AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY,   agesa_NoopSuccess },
  23         {AGESA_HOOKBEFORE_DQS_TRAINING,         agesa_NoopSuccess },
  24         {AGESA_HOOKBEFORE_EXIT_SELF_REF,        agesa_NoopSuccess },
  25 };
  26 const int BiosCalloutsLen = ARRAY_SIZE(BiosCallouts);
  27
  28 /*      Call the host environment interface to provide a user hook opportunity. */
  29 static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINTN Data, VOID *ConfigPtr)
  30 {
  31         // Unlike e.g. AMD Inagua, Persimmon is unable to vary the RAM voltage.
  32         // Make sure the right speed settings are selected.
  33         ((MEM_DATA_STRUCT*)ConfigPtr)->ParameterListPtr->DDR3Voltage = VOLT1_5;
  34         return AGESA_SUCCESS;
  35 }
  36
  37 static AGESA_STATUS board_ReadSpd_from_cbfs(UINT32 Func, UINTN Data, VOID *ConfigPtr)
  38 {
  39         AGESA_READ_SPD_PARAMS *info = ConfigPtr;
  40
  41         if (!ENV_RAMINIT)
  42                 return AGESA_UNSUPPORTED;
  43
  44         u8 index = get_spd_offset();
  45
  46         if (info->MemChannelId > 0)
  47                 return AGESA_UNSUPPORTED;
  48         if (info->SocketId != 0)
  49                 return AGESA_UNSUPPORTED;
  50         if (info->DimmId != 0)
  51                 return AGESA_UNSUPPORTED;
  52
  53         /* Read index 0, first SPD_SIZE bytes of spd.bin file. */
  54         if (read_ddr3_spd_from_cbfs((u8*)info->Buffer, index) < 0)
  55                 die("No SPD data\n");
  56
  57         return AGESA_SUCCESS;
  58 }