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/*
* Copyright 2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __DDR_H__
#define __DDR_H__
extern void erratum_a008850_post(void);
struct board_specific_parameters {
u32 n_ranks;
u32 datarate_mhz_high;
u32 rank_gb;
u32 clk_adjust;
u32 wrlvl_start;
u32 wrlvl_ctl_2;
u32 wrlvl_ctl_3;
u32 cpo_override;
u32 write_data_delay;
u32 force_2t;
};
/*
* These tables contain all valid speeds we want to override with board
* specific parameters. datarate_mhz_high values need to be in ascending order
* for each n_ranks group.
*/
static const struct board_specific_parameters udimm0[] = {
/*
* memory controller 0
* num| hi| rank| clk| wrlvl | wrlvl | wrlvl | cpo |wrdata|2T
* ranks| mhz| GB |adjst| start | ctl2 | ctl3 | |delay |
*/
#ifdef CONFIG_SYS_FSL_DDR4
{2, 1666, 0, 8, 7, 0x0808090B, 0x0C0D0E0A,},
{2, 1900, 0, 8, 6, 0x08080A0C, 0x0D0E0F0A,},
{1, 1666, 0, 8, 6, 0x0708090B, 0x0C0D0E0A,},
{1, 1900, 0, 8, 9, 0x0A0B0C0B, 0x0D0E0F0D,},
{1, 2200, 0, 8, 10, 0x0B0C0D0C, 0x0E0F110E,},
#elif defined(CONFIG_SYS_FSL_DDR3)
{1, 833, 1, 12, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
{1, 1350, 1, 12, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
{1, 833, 2, 12, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
{1, 1350, 2, 12, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
{2, 833, 4, 12, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
{2, 1350, 4, 12, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
{2, 1350, 0, 12, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
{2, 1666, 4, 8, 0xa, 0x0B08090C, 0x0B0E0D0A, 0x1f, 2, 0},
{2, 1666, 0, 8, 0xa, 0x0B08090C, 0x0B0E0D0A, 0x1f, 2, 0},
#else
#error DDR type not defined
#endif
{}
};
static const struct board_specific_parameters *udimms[] = {
udimm0,
};
#endif
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