/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2011 Advanced Micro Devices, Inc.
 * Copyright (C) 2013 Sage Electronic Engineering, LLC
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <cbfs.h>
#include <spd_bin.h>

#include <AGESA.h>
#include <amdlib.h>
#include <Ids.h>
#include <agesawrapper.h>
#include <BiosCallOuts.h>
#include <dimmSpd.h>
#include <soc/southbridge.h>

AGESA_STATUS GetBiosCallout(UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
	UINTN i;

	for (i = 0 ; i < BiosCalloutsLen ; i++) {
		if (BiosCallouts[i].CalloutName == Func)
			break;
	}
	if (i >= BiosCalloutsLen)
		return AGESA_UNSUPPORTED;

	return BiosCallouts[i].CalloutPtr(Func, Data, ConfigPtr);
}

AGESA_STATUS agesa_NoopUnsupported(UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
	return AGESA_UNSUPPORTED;
}

AGESA_STATUS agesa_NoopSuccess(UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
	return AGESA_SUCCESS;
}

AGESA_STATUS agesa_EmptyIdsInitData(UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
	IDS_NV_ITEM *IdsPtr = ((IDS_CALLOUT_STRUCT *) ConfigPtr)->IdsNvPtr;
	if (Data == IDS_CALLOUT_INIT)
		IdsPtr[0].IdsNvValue = IdsPtr[0].IdsNvId = 0xffff;
	return AGESA_SUCCESS;
}

AGESA_STATUS agesa_Reset(UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
	AGESA_STATUS Status;
	UINT8 Value;
	UINTN ResetType;
	AMD_CONFIG_PARAMS *StdHeader;

	ResetType = Data;
	StdHeader = ConfigPtr;

	/* Perform the RESET based upon the ResetType. In case of
	 * WARM_RESET_WHENEVER and COLD_RESET_WHENEVER, the request will go to
	 * AmdResetManager. During the critical condition, where reset is
	 * required immediately, the reset will be invoked directly by writing
	 * 0x04 to port 0xCF9 (Reset Port).
	 */
	switch (ResetType) {
	case WARM_RESET_WHENEVER:
	case COLD_RESET_WHENEVER:
		break;

	case WARM_RESET_IMMEDIATELY:
	case COLD_RESET_IMMEDIATELY:
		Value = 0x06;
		LibAmdIoWrite(AccessWidth8, SYS_RESET, &Value, StdHeader);
		break;

	default:
		break;
	}

	Status = 0;
	return Status;
}

AGESA_STATUS agesa_RunFuncOnAp(UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
	AGESA_STATUS Status;

	Status = agesawrapper_amdlaterunaptask(Func, Data, ConfigPtr);
	return Status;
}

AGESA_STATUS agesa_GfxGetVbiosImage(UINT32 Func, UINTN FchData,
							VOID *ConfigPrt)
{
	GFX_VBIOS_IMAGE_INFO *pVbiosImageInfo;

	pVbiosImageInfo = (GFX_VBIOS_IMAGE_INFO *)ConfigPrt;
	pVbiosImageInfo->ImagePtr = cbfs_boot_map_with_leak(
			"pci"CONFIG_VGA_BIOS_ID".rom",
			CBFS_TYPE_OPTIONROM, NULL);
	printk(BIOS_DEBUG, "agesa_GfxGetVbiosImage: IMGptr=%p\n",
						pVbiosImageInfo->ImagePtr);
	return pVbiosImageInfo->ImagePtr ? AGESA_SUCCESS : AGESA_WARNING;
}

AGESA_STATUS agesa_ReadSpd(UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
	AGESA_STATUS Status = AGESA_UNSUPPORTED;
#ifdef __PRE_RAM__
	Status = AmdMemoryReadSPD(Func, Data, ConfigPtr);
#endif
	return Status;
}

AGESA_STATUS agesa_ReadSpd_from_cbfs(UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
	AGESA_STATUS Status = AGESA_UNSUPPORTED;

#ifdef __PRE_RAM__
	AGESA_READ_SPD_PARAMS *info = ConfigPtr;
	if (info->MemChannelId > 0)
		return AGESA_UNSUPPORTED;
	if (info->SocketId != 0)
		return AGESA_UNSUPPORTED;
	if (info->DimmId != 0)
		return AGESA_UNSUPPORTED;

	/* Read index 0, first SPD_SIZE bytes of spd.bin file. */
	if (read_ddr3_spd_from_cbfs((u8 *)info->Buffer, 0) < 0)
		die("No SPD data\n");

	Status = AGESA_SUCCESS;
#endif
	return Status;
}
