1/* SPDX-License-Identifier: Intel */
2/*
3 * Copyright (C) 2013, Intel Corporation
4 * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
5 *
6 * Ported from Intel released Quark UEFI BIOS
7 * QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei
8 */
9
10#ifndef _HTE_H_
11#define _HTE_H_
12
13enum {
14	MRC_MEM_INIT,
15	MRC_MEM_TEST
16};
17
18enum {
19	READ_TRAIN,
20	WRITE_TRAIN
21};
22
23/*
24 * EXP_LOOP_CNT field of HTE_CMD_CTL
25 *
26 * This CANNOT be less than 4!
27 */
28#define HTE_LOOP_CNT		5
29
30/* random seed for victim */
31#define HTE_LFSR_VICTIM_SEED	0xf294ba21
32
33/* random seed for aggressor */
34#define HTE_LFSR_AGRESSOR_SEED	0xeba7492d
35
36u32 hte_mem_init(struct mrc_params *mrc_params, u8 flag);
37u16 hte_basic_write_read(struct mrc_params *mrc_params, u32 addr,
38			 u8 first_run, u8 mode);
39u16 hte_write_stress_bit_lanes(struct mrc_params *mrc_params,
40			       u32 addr, u8 first_run);
41void hte_mem_op(u32 addr, u8 first_run, u8 is_write);
42
43#endif /* _HTE_H_ */
44