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58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#ifndef MEMCTRL_H
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#define MEMCTRL_H
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/**
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* \file
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*
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* Provides information about the memory controller status
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* (running DRAM configuration, ECC, ...) and other
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* platform-specific data
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*
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*//*
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* Copyright (C) 2004-2023 Sam Demeulemeester.
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*/
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typedef struct __attribute__((packed)) imc_infos {
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char *type;
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uint16_t family;
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uint16_t freq;
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uint16_t width;
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uint16_t tCL;
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uint8_t tCL_dec;
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uint16_t tRCD;
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uint16_t tRP;
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uint16_t tRAS;
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} imc_info_t;
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typedef enum {
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ECC_ERR_NONE,
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ECC_ERR_CORRECTED,
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ECC_ERR_UNCORRECTED
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} ecc_error_type_t;
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typedef struct __attribute__((packed)) ecc_status {
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bool ecc_enabled;
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ecc_error_type_t err_type;
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uint64_t err_adr;
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uint32_t err_col;
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uint32_t err_row;
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uint32_t err_rank;
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uint32_t err_bank;
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} ecc_info_t;
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/**
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* Current DRAM configuration of the Integrated Memory Controller
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*/
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extern imc_info_t imc;
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/**
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* Current ECC Status of the Integrated Memory Controller
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*/
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extern ecc_info_t ecc_status;
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void memctrl_init(void);
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#endif // MEMCTRL_H
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