smbus_spd.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef _SMBUS_SPD_H_
#define _SMBUS_SPD_H_
 
#define READ_BIT                                0x01
 
#define SMBUS_INTERRUPT_MASK    0x02
#define HOSTBUSY_MASK                   0x01
 
#define SMBUS_READ_BYTE_COMMAND 0x48
#define SMBUS_READ_COMMAND              0x44
 
#define MAX_READ_TSC_COUNT              (2000000000 / 10)
 
#define PMIO_INDEX_REG                  0xCD6
#define PMIO_DATA_REG                   0xCD7
 
#define SMBUS_BAR_LOW_BYTE              0x2C
#define SMBUS_BAR_HIGH_BYTE             0x2D
 
#define SMBUS_STATUS_REG                0x00
#define SMBUS_SLAVE_STATUS_REG  0x01
#define SMBUS_COMMAND_REG               0x02
#define SMBUS_CONTROL_REG               0x03
#define SMBUS_HOST_CMD_REG              0x04
#define SMBUS_DATA0_REG                 0x05
#define SMBUS_CLOCK_REG                 0x0E
 
#define STATUS__COMPLETED_SUCCESSFULLY  0x02
 
#define SMBUS_FREQUENCY_CONST   66000000 / 4
 
#endif