/** @file
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@copyright
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Copyright 1999 - 2021 Intel Corporation. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __PLATFORM_CLOCKS_LIB__
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#define __PLATFORM_CLOCKS_LIB__
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//
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// Known clock generator types
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//
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typedef enum {
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ClockGeneratorCk410,
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ClockGeneratorCk420,
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ClockGeneratorCk440,
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ClockGeneratorCk505,
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ClockGeneratorMax
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} CLOCK_GENERATOR_TYPE;
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#define CLOCK_GENERATOR_ADDRESS 0xD2
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//
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// Clock generator details table
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//
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typedef struct {
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CLOCK_GENERATOR_TYPE ClockType;
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UINT8 ClockId;
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UINT8 SpreadSpectrumByteOffset;
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UINT8 SpreadSpectrumBitOffset;
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} CLOCK_GENERATOR_DETAILS;
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//
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// An arbitrary maximum length for clock generator buffers
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//
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#define MAX_CLOCK_GENERATOR_BUFFER_LENGTH 0x20
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//
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// CK410 Definitions
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//
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#define CK410_GENERATOR_ID 0x65
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#define CK410_GENERATOR_SPREAD_SPECTRUM_BYTE 1
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#define CK410_GENERATOR_SPREAD_SPECTRUM_BIT BIT0
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#define CK410_GENERATOR_CLOCK_FREERUN_BYTE 4
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#define CK410_GENERATOR_CLOCK_FREERUN_BIT (BIT0 | BIT1 | BIT2)
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//
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// CK420 Definitions
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//
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#define CK420_GENERATOR_ID 0x11 // IDT ICS932SQ420B
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#define CK420_GENERATOR_SPREAD_SPECTRUM_BYTE 1
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#define CK420_GENERATOR_SPREAD_SPECTRUM_BIT BIT0
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//
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// CK440 Definitions
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//
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#define CK440_GENERATOR_ID 0x12
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#define CK440_GENERATOR_SPREAD_SPECTRUM_BYTE 6
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#define CK440_GENERATOR_SPREAD_SPECTRUM_BIT BIT2
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//
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// CK505 Definitions
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//
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#define CK505_GENERATOR_ID 0x26 // Silego SLG505YC264B
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#define CK505_GENERATOR_SPREAD_SPECTRUM_BYTE 4
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#define CK505_GENERATOR_SPREAD_SPECTRUM_BIT (BIT0 | BIT1)
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#define CLOCK_GENERATOR_SETTINGS_PLATFORMSRP {0xFF, 0x9E, 0x3F, 0x00, 0x00, 0x0F, 0x08, 0x31, 0x0A, 0x17, 0xFF, 0xFE}
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#define CLOCK_GENERATOR_SETTINGS_PLATFORMDVP {0xFF, 0x9E, 0x3F, 0x00, 0x00, 0x0F, 0x08, 0x31, 0x0A, 0x17}
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EFI_STATUS
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ConfigureClockGenerator (
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IN EFI_PEI_SERVICES **PeiServices,
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IN CLOCK_GENERATOR_TYPE ClockType,
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IN UINT8 ClockAddress,
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IN UINTN ConfigurationTableLength,
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IN OUT UINT8 *ConfigurationTable,
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IN BOOLEAN EnableSpreadSpectrum,
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IN CLOCK_GENERATOR_DETAILS *mSupportedClockGeneratorT,
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IN BOOLEAN SecondarySmbus
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);
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#define PEI_STALL_RESOLUTION 1
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#endif
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