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/*
* This file is part of the coreboot project.
*
* Copyright 2019 Facebook, 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.
*/
#include <device/pci.h>
#include <stdint.h>
#ifndef SOC_INTEL_COMMON_BLOCK_IMC_H
#define SOC_INTEL_COMMON_BLOCK_IMC_H
enum smbus_command { IMC_READ, IMC_WRITE };
enum access_width { IMC_DATA_BYTE, IMC_DATA_WORD };
enum memory_controller_id { IMC_CONTROLLER_ID0 = 0, IMC_CONTROLLER_ID1 };
enum device_type_id {
IMC_DEVICE_TSOD = 0x3,
IMC_DEVICE_WP_EEPROM = 0x6,
IMC_DEVICE_EEPROM = 0xa
};
/* Initiate SMBus/I2C transaction to DIMM EEPROM */
int imc_smbus_spd_xfer(pci_devfn_t dev, uint8_t slave_addr, uint8_t bus_addr,
enum device_type_id dti, enum access_width width,
enum memory_controller_id mcid, enum smbus_command cmd, void *data);
#endif
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