/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2012 Advanced Micro Devices, Inc.
 *
 * 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.
 */

#ifndef _AMD_H_
#define _AMD_H_

// AGESA Types and Definitions
#ifndef NULL
#define NULL 0
#endif

#define LAST_ENTRY 0xFFFFFFFF
#define IOCF8 0xCF8
#define IOCFC 0xCFC
#define IN
#define OUT

#ifndef Int16FromChar
#define Int16FromChar(a,b) ((a) << 0 | (b) << 8)
#endif
#ifndef Int32FromChar
#define Int32FromChar(a,b,c,d) ((a) << 0 | (b) << 8 | (c) << 16 | (d) << 24)
#endif

#define IMAGE_SIGNATURE     Int32FromChar ('$', 'A', 'M', 'D')

typedef unsigned int AGESA_STATUS;

#define AGESA_SUCCESS       ((AGESA_STATUS) 0x0)
#define AGESA_ALERT         ((AGESA_STATUS) 0x40000000)
#define AGESA_WARNING       ((AGESA_STATUS) 0x40000001)
#define AGESA_UNSUPPORTED   ((AGESA_STATUS) 0x80000003)
#define AGESA_ERROR         ((AGESA_STATUS) 0xC0000001)
#define AGESA_CRITICAL      ((AGESA_STATUS) 0xC0000002)
#define AGESA_FATAL         ((AGESA_STATUS) 0xC0000003)

typedef AGESA_STATUS (*CALLOUT_ENTRY) (unsigned int Param1, unsigned int Param2, void* ConfigPtr);
typedef AGESA_STATUS (*IMAGE_ENTRY) (IN OUT void* ConfigPtr);
typedef AGESA_STATUS (*MODULE_ENTRY) (IN OUT void* ConfigPtr);

///This allocation type is used by the AmdCreateStruct entry point
typedef enum {
	PreMemHeap = 0,                                           ///< Create heap in cache.
	PostMemDram,                                              ///< Create heap in memory.
	ByHost                                                    ///< Create heap by Host.
} ALLOCATION_METHOD;

/// These width descriptors are used by the library function, and others, to specify the data size
typedef enum ACCESS_WIDTH {
	AccessWidth8 = 1,                                         ///< Access width is 8 bits.
	AccessWidth16,                                            ///< Access width is 16 bits.
	AccessWidth32,                                            ///< Access width is 32 bits.
	AccessWidth64,                                            ///< Access width is 64 bits.

	AccessS3SaveWidth8 = 0x81,                                ///< Save 8 bits data.
	AccessS3SaveWidth16,                                      ///< Save 16 bits data.
	AccessS3SaveWidth32,                                      ///< Save 32 bits data.
	AccessS3SaveWidth64,                                      ///< Save 64 bits data.
} ACCESS_WIDTH;

// AGESA Structures

/// The standard header for all AGESA services.
typedef struct _AMD_CONFIG_PARAMS {
	IN       unsigned int          ImageBasePtr;     ///< The AGESA Image base address.
	IN       unsigned int          Func;             ///< The service desired, @sa dispatch.h.
	IN       unsigned int          AltImageBasePtr;  ///< Alternate Image location
	IN       unsigned int          PcieBasePtr;      ///< PCIe MMIO Base address, if configured.
	union {                                    ///< Callback pointer
		IN       unsigned long long          PlaceHolder;    ///< Place holder
		IN       CALLOUT_ENTRY   CalloutPtr;     ///< For Callout from AGESA
	} CALLBACK;
	IN OUT   unsigned int          Reserved[2];      ///< This space is reserved for future use.
} AMD_CONFIG_PARAMS;


/// AGESA Binary module header structure
typedef struct _AMD_IMAGE_HEADER {
	IN       unsigned int  Signature;                          ///< Binary Signature
	IN       signed char   CreatorID[8];                       ///< 8 characters ID
	IN       signed char   Version[12];                        ///< 12 characters version
	IN       unsigned int  ModuleInfoOffset;                   ///< Offset of module
	IN       unsigned int  EntryPointAddress;                  ///< Entry address
	IN       unsigned int  ImageBase;                          ///< Image base
	IN       unsigned int  RelocTableOffset;                   ///< Relocate Table offset
	IN       unsigned int  ImageSize;                          ///< Size
	IN       unsigned short  Checksum;                           ///< Checksum
	IN       unsigned char   ImageType;                          ///< Type
	IN       unsigned char   V_Reserved;                         ///< Reserved
} AMD_IMAGE_HEADER;

/// AGESA Binary module header structure
typedef struct _AMD_MODULE_HEADER {
	IN       unsigned int          ModuleHeaderSignature;      ///< Module signature
	IN       signed char           ModuleIdentifier[8];        ///< 8 characters ID
	IN       signed char           ModuleVersion[12];          ///< 12 characters version
	IN       MODULE_ENTRY    ModuleDispatcherPtr;        ///< A pointer point to dispatcher
	IN       struct _AMD_MODULE_HEADER  *NextBlockPtr;    ///< Next module header link
} AMD_MODULE_HEADER;

#define FUNC_0    0   // bit-placed for PCI address creation
#define FUNC_1    1
#define FUNC_2    2
#define FUNC_3    3
#define FUNC_4    4
#define FUNC_5    5
#define FUNC_6    6
#define FUNC_7    7

//   SBDFO - Segment Bus Device Function Offset
//   31:28   Segment (4-bits)
//   27:20   Bus     (8-bits)
//   19:15   Device  (5-bits)
//   14:12   Function (3-bits)
//   11:00   Offset  (12-bits)

#if 0
#define MAKE_SBDFO(Seg, Bus, Dev, Fun, Off) ((((unsigned int) (Seg)) << 28) | (((unsigned int) (Bus)) << 20) | \
		(((unsigned int) (Dev)) << 15) | (((unsigned int) (Fun)) << 12) | ((unsigned int) (Off)))
#endif
#define ILLEGAL_SBDFO 0xFFFFFFFF

/// CPUID data received registers format
typedef struct _SB_CPUID_DATA {
	IN OUT   unsigned int          EAX_Reg;                ///< CPUID instruction result in EAX
	IN OUT   unsigned int          EBX_Reg;                ///< CPUID instruction result in EBX
	IN OUT   unsigned int          ECX_Reg;                ///< CPUID instruction result in ECX
	IN OUT   unsigned int          EDX_Reg;                ///< CPUID instruction result in EDX
} SB_CPUID_DATA;

#define WARM_RESET 1
#define COLD_RESET 2      // Cold reset
#define RESET_CPU  4      // Triggers a CPU reset

/// HT frequency for external callbacks
typedef enum {
	HT_FREQUENCY_200M          = 0,                 ///< HT speed 200 for external callbacks
	HT_FREQUENCY_400M          = 2,                 ///< HT speed 400 for external callbacks
	HT_FREQUENCY_600M          = 4,                 ///< HT speed 600 for external callbacks
	HT_FREQUENCY_800M          = 5,                 ///< HT speed 800 for external callbacks
	HT_FREQUENCY_1000M         = 6,                 ///< HT speed 1000 for external callbacks
	HT_FREQUENCY_1200M         = 7,                 ///< HT speed 1200 for external callbacks
	HT_FREQUENCY_1400M         = 8,                 ///< HT speed 1400 for external callbacks
	HT_FREQUENCY_1600M         = 9,                 ///< HT speed 1600 for external callbacks
	HT_FREQUENCY_1800M         = 10,                ///< HT speed 1800 for external callbacks
	HT_FREQUENCY_2000M         = 11,                ///< HT speed 2000 for external callbacks
	HT_FREQUENCY_2200M         = 12,                ///< HT speed 2200 for external callbacks
	HT_FREQUENCY_2400M         = 13,                ///< HT speed 2400 for external callbacks
	HT_FREQUENCY_2600M         = 14,                ///< HT speed 2600 for external callbacks
	HT_FREQUENCY_2800M         = 17,                ///< HT speed 2800 for external callbacks
	HT_FREQUENCY_3000M         = 18,                ///< HT speed 3000 for external callbacks
	HT_FREQUENCY_3200M         = 19                 ///< HT speed 3200 for external callbacks
} HT_FREQUENCIES;

#ifndef BIT0
#define BIT0        0x0000000000000001ull
#endif
#ifndef BIT1
#define BIT1        0x0000000000000002ull
#endif
#ifndef BIT2
#define BIT2        0x0000000000000004ull
#endif
#ifndef BIT3
#define BIT3        0x0000000000000008ull
#endif
#ifndef BIT4
#define BIT4        0x0000000000000010ull
#endif
#ifndef BIT5
#define BIT5        0x0000000000000020ull
#endif
#ifndef BIT6
#define BIT6        0x0000000000000040ull
#endif
#ifndef BIT7
#define BIT7        0x0000000000000080ull
#endif
#ifndef BIT8
#define BIT8        0x0000000000000100ull
#endif
#ifndef BIT9
#define BIT9        0x0000000000000200ull
#endif
#ifndef BIT10
#define BIT10       0x0000000000000400ull
#endif
#ifndef BIT11
#define BIT11       0x0000000000000800ull
#endif
#ifndef BIT12
#define BIT12       0x0000000000001000ull
#endif
#ifndef BIT13
#define BIT13       0x0000000000002000ull
#endif
#ifndef BIT14
#define BIT14       0x0000000000004000ull
#endif
#ifndef BIT15
#define BIT15       0x0000000000008000ull
#endif
#ifndef BIT16
#define BIT16       0x0000000000010000ull
#endif
#ifndef BIT17
#define BIT17       0x0000000000020000ull
#endif
#ifndef BIT18
#define BIT18       0x0000000000040000ull
#endif
#ifndef BIT19
#define BIT19       0x0000000000080000ull
#endif
#ifndef BIT20
#define BIT20       0x0000000000100000ull
#endif
#ifndef BIT21
#define BIT21       0x0000000000200000ull
#endif
#ifndef BIT22
#define BIT22       0x0000000000400000ull
#endif
#ifndef BIT23
#define BIT23       0x0000000000800000ull
#endif
#ifndef BIT24
#define BIT24       0x0000000001000000ull
#endif
#ifndef BIT25
#define BIT25       0x0000000002000000ull
#endif
#ifndef BIT26
#define BIT26       0x0000000004000000ull
#endif
#ifndef BIT27
#define BIT27       0x0000000008000000ull
#endif
#ifndef BIT28
#define BIT28       0x0000000010000000ull
#endif
#ifndef BIT29
#define BIT29       0x0000000020000000ull
#endif
#ifndef BIT30
#define BIT30       0x0000000040000000ull
#endif
#ifndef BIT31
#define BIT31       0x0000000080000000ull
#endif
#ifndef BIT32
#define BIT32       0x0000000100000000ull
#endif
#ifndef BIT33
#define BIT33       0x0000000200000000ull
#endif
#ifndef BIT34
#define BIT34       0x0000000400000000ull
#endif
#ifndef BIT35
#define BIT35       0x0000000800000000ull
#endif
#ifndef BIT36
#define BIT36       0x0000001000000000ull
#endif
#ifndef BIT37
#define BIT37       0x0000002000000000ull
#endif
#ifndef BIT38
#define BIT38       0x0000004000000000ull
#endif
#ifndef BIT39
#define BIT39       0x0000008000000000ull
#endif
#ifndef BIT40
#define BIT40       0x0000010000000000ull
#endif
#ifndef BIT41
#define BIT41       0x0000020000000000ull
#endif
#ifndef BIT42
#define BIT42       0x0000040000000000ull
#endif
#ifndef BIT43
#define BIT43       0x0000080000000000ull
#endif
#ifndef BIT44
#define BIT44       0x0000100000000000ull
#endif
#ifndef BIT45
#define BIT45       0x0000200000000000ull
#endif
#ifndef BIT46
#define BIT46       0x0000400000000000ull
#endif
#ifndef BIT47
#define BIT47       0x0000800000000000ull
#endif
#ifndef BIT48
#define BIT48       0x0001000000000000ull
#endif
#ifndef BIT49
#define BIT49       0x0002000000000000ull
#endif
#ifndef BIT50
#define BIT50       0x0004000000000000ull
#endif
#ifndef BIT51
#define BIT51       0x0008000000000000ull
#endif
#ifndef BIT52
#define BIT52       0x0010000000000000ull
#endif
#ifndef BIT53
#define BIT53       0x0020000000000000ull
#endif
#ifndef BIT54
#define BIT54       0x0040000000000000ull
#endif
#ifndef BIT55
#define BIT55       0x0080000000000000ull
#endif
#ifndef BIT56
#define BIT56       0x0100000000000000ull
#endif
#ifndef BIT57
#define BIT57       0x0200000000000000ull
#endif
#ifndef BIT58
#define BIT58       0x0400000000000000ull
#endif
#ifndef BIT59
#define BIT59       0x0800000000000000ull
#endif
#ifndef BIT60
#define BIT60       0x1000000000000000ull
#endif
#ifndef BIT61
#define BIT61       0x2000000000000000ull
#endif
#ifndef BIT62
#define BIT62       0x4000000000000000ull
#endif
#ifndef BIT63
#define BIT63       0x8000000000000000ull
#endif
#endif
