blob: b4ea488f30f35b97d0f38304aefd5c8784028669 [file] [log] [blame]
/* SPDX-License-Identifier: Intel */
/*
* Copyright (C) 2013, Intel Corporation
* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
*
* Ported from Intel released Quark UEFI BIOS
* QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei
*/
#ifndef _HTE_H_
#define _HTE_H_
enum {
MRC_MEM_INIT,
MRC_MEM_TEST
};
enum {
READ_TRAIN,
WRITE_TRAIN
};
/*
* EXP_LOOP_CNT field of HTE_CMD_CTL
*
* This CANNOT be less than 4!
*/
#define HTE_LOOP_CNT 5
/* random seed for victim */
#define HTE_LFSR_VICTIM_SEED 0xf294ba21
/* random seed for aggressor */
#define HTE_LFSR_AGRESSOR_SEED 0xeba7492d
u32 hte_mem_init(struct mrc_params *mrc_params, u8 flag);
u16 hte_basic_write_read(struct mrc_params *mrc_params, u32 addr,
u8 first_run, u8 mode);
u16 hte_write_stress_bit_lanes(struct mrc_params *mrc_params,
u32 addr, u8 first_run);
void hte_mem_op(u32 addr, u8 first_run, u8 is_write);
#endif /* _HTE_H_ */