| Angel Pons | 182dbde | 2020-04-02 23:49:05 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* This file is part of the coreboot project. */ |
| Kyösti Mälkki | a1ebbc4 | 2014-10-17 22:33:22 +0300 | [diff] [blame] | 3 | |
| 4 | #ifndef _SMBUS_SPD_H_ |
| 5 | #define _SMBUS_SPD_H_ |
| 6 | |
| 7 | #define READ_BIT 0x01 |
| 8 | |
| 9 | #define SMBUS_INTERRUPT_MASK 0x02 |
| 10 | #define HOSTBUSY_MASK 0x01 |
| 11 | |
| 12 | #define SMBUS_READ_BYTE_COMMAND 0x48 |
| 13 | #define SMBUS_READ_COMMAND 0x44 |
| 14 | |
| 15 | #define MAX_READ_TSC_COUNT (2000000000 / 10) |
| 16 | |
| 17 | #define PMIO_INDEX_REG 0xCD6 |
| 18 | #define PMIO_DATA_REG 0xCD7 |
| 19 | |
| 20 | #define SMBUS_BAR_LOW_BYTE 0x2C |
| 21 | #define SMBUS_BAR_HIGH_BYTE 0x2D |
| 22 | |
| 23 | #define SMBUS_STATUS_REG 0x00 |
| 24 | #define SMBUS_SLAVE_STATUS_REG 0x01 |
| 25 | #define SMBUS_COMMAND_REG 0x02 |
| 26 | #define SMBUS_CONTROL_REG 0x03 |
| 27 | #define SMBUS_HOST_CMD_REG 0x04 |
| 28 | #define SMBUS_DATA0_REG 0x05 |
| 29 | #define SMBUS_CLOCK_REG 0x0E |
| 30 | |
| 31 | #define STATUS__COMPLETED_SUCCESSFULLY 0x02 |
| 32 | |
| 33 | #define SMBUS_FREQUENCY_CONST 66000000 / 4 |
| 34 | |
| 35 | #endif |