X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FInclude%2FIndustryStandard%2FSdramSpd.h;h=68f90454a565136dde5fe1c45e34f766b5d375d8;hb=4994588211f03b41031b21fd8c6570191b5e53f7;hp=59302ee7dae1c5fbc2ff60e38018409c0517ca7f;hpb=568eb0cb4be2a61d7ae6273582438fd80223f49c;p=mirror_edk2.git diff --git a/MdePkg/Include/IndustryStandard/SdramSpd.h b/MdePkg/Include/IndustryStandard/SdramSpd.h index 59302ee7da..68f90454a5 100644 --- a/MdePkg/Include/IndustryStandard/SdramSpd.h +++ b/MdePkg/Include/IndustryStandard/SdramSpd.h @@ -1,18 +1,22 @@ -/**@file +/** @file This file contains definitions for the SPD fields on an SDRAM. - - Copyright (c) 2007, Intel Corporation - All rights reserved. This program and the accompanying materials - are licensed and made available under the terms and conditions of the BSD License - which accompanies this distribution. The full text of the license may be found at - http://opensource.org/licenses/bsd-license.php - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, - WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.
+ This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/ -#ifndef _SDRAM_SPD_H -#define _SDRAM_SPD_H +#ifndef _SDRAM_SPD_H_ +#define _SDRAM_SPD_H_ + +#include +#include +#include // // SDRAM SPD field definitions @@ -32,12 +36,12 @@ #define SPD_SDRAM_CAS_LATENCY 18 #define SPD_SDRAM_MODULE_ATTR 21 -#define SPD_SDRAM_TCLK1_PULSE 9 // cycle time for highest cas latency -#define SPD_SDRAM_TAC1_PULSE 10 // access time for highest cas latency -#define SPD_SDRAM_TCLK2_PULSE 23 // cycle time for 2nd highest cas latency -#define SPD_SDRAM_TAC2_PULSE 24 // access time for 2nd highest cas latency -#define SPD_SDRAM_TCLK3_PULSE 25 // cycle time for 3rd highest cas latency -#define SPD_SDRAM_TAC3_PULSE 26 // access time for 3rd highest cas latency +#define SPD_SDRAM_TCLK1_PULSE 9 ///< cycle time for highest cas latency +#define SPD_SDRAM_TAC1_PULSE 10 ///< access time for highest cas latency +#define SPD_SDRAM_TCLK2_PULSE 23 ///< cycle time for 2nd highest cas latency +#define SPD_SDRAM_TAC2_PULSE 24 ///< access time for 2nd highest cas latency +#define SPD_SDRAM_TCLK3_PULSE 25 ///< cycle time for 3rd highest cas latency +#define SPD_SDRAM_TAC3_PULSE 26 ///< access time for 3rd highest cas latency #define SPD_SDRAM_MIN_PRECHARGE 27 #define SPD_SDRAM_ACTIVE_MIN 28 #define SPD_SDRAM_RAS_CAS 29 @@ -47,15 +51,20 @@ // // Memory Type Definitions // -#define SPD_VAL_SDR_TYPE 4 // SDR SDRAM memory -#define SPD_VAL_DDR_TYPE 7 // DDR SDRAM memory -#define SPD_VAL_DDR2_TYPE 8 // DDR2 SDRAM memory +#define SPD_VAL_SDR_TYPE 4 ///< SDR SDRAM memory +#define SPD_VAL_DDR_TYPE 7 ///< DDR SDRAM memory +#define SPD_VAL_DDR2_TYPE 8 ///< DDR2 SDRAM memory +#define SPD_VAL_DDR3_TYPE 11 ///< DDR3 SDRAM memory +#define SPD_VAL_DDR4_TYPE 12 ///< DDR4 SDRAM memory +#define SPD_VAL_LPDDR3_TYPE 15 ///< LPDDR3 SDRAM memory +#define SPD_VAL_LPDDR4_TYPE 16 ///< LPDDR4 SDRAM memory + // // ECC Type Definitions // -#define SPD_ECC_TYPE_NONE 0x00 // No error checking -#define SPD_ECC_TYPE_PARITY 0x01 // No error checking -#define SPD_ECC_TYPE_ECC 0x02 // Error checking only +#define SPD_ECC_TYPE_NONE 0x00 ///< No error checking +#define SPD_ECC_TYPE_PARITY 0x01 ///< No error checking +#define SPD_ECC_TYPE_ECC 0x02 ///< Error checking only // // Module Attributes (Bit positions) //