board/Marvell/octeon_ebb7304/board_ddr.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2020 Marvell International Ltd.
 *
 * https://spdx.org/licenses
 */

#ifndef __BOARD_DDR_H__
#define __BOARD_DDR_H__

#define OCTEON_EBB7304_DRAM_SOCKET_CONFIGURATION0			\
	{ {0x1050, 0x0}, {NULL, NULL} }, { {0x1051, 0x0}, {NULL, NULL} }
#define OCTEON_EBB7304_DRAM_SOCKET_CONFIGURATION1			\
	{ {0x1052, 0x0}, {NULL, NULL} }, { {0x1053, 0x0}, {NULL, NULL} }

#define OCTEON_EBB7304_BOARD_EEPROM_TWSI_ADDR	0x56

/*
 * Local copy of these parameters to allow for customization for this
 * board design.  The generic version resides in lib_octeon_shared.h.
 */

/* LMC0_MODEREG_PARAMS1 */
#define OCTEON_EBB7304_MODEREG_PARAMS1_1RANK_1SLOT		\
	{							\
		.cn78xx = {					\
			.pasr_00	= 0,			\
			.asr_00		= 0,			\
			.srt_00		= 0,			\
			.rtt_wr_00	= ddr4_rttwr_80ohm & 3,	\
			.rtt_wr_00_ext	= (ddr4_rttwr_80ohm >> 2) & 1,	\
			.dic_00		= ddr4_dic_34ohm,	\
			.rtt_nom_00	= 0,                    \
			.pasr_01	= 0,			\
			.asr_01		= 0,			\
			.srt_01		= 0,			\
			.rtt_wr_01	= 0,			\
			.dic_01		= ddr4_dic_34ohm,	\
			.rtt_nom_01	= 0,			\
			.pasr_10	= 0,			\
			.asr_10		= 0,			\
			.srt_10		= 0,			\
			.rtt_wr_10	= 0,			\
			.dic_10		= ddr4_dic_34ohm,	\
			.rtt_nom_10	= 0,			\
			.pasr_11	= 0,			\
			.asr_11		= 0,			\
			.srt_11		= 0,			\
			.rtt_wr_11	= 0,			\
			.dic_11		= ddr4_dic_34ohm,	\
			.rtt_nom_11	= 0,			\
		}						\
	}

#define OCTEON_EBB7304_MODEREG_PARAMS1_1RANK_2SLOT	\
	{							\
		.cn78xx = {					\
			.pasr_00	= 0,			\
			.asr_00		= 0,			\
			.srt_00		= 0,			\
			.rtt_wr_00	= ddr4_rttwr_80ohm & 3,	\
			.rtt_wr_00_ext	= (ddr4_rttwr_80ohm >> 2) & 1,	\
			.dic_00		= ddr4_dic_34ohm,	\
			.rtt_nom_00	= 0,			\
			.pasr_01	= 0,			\
			.asr_01		= 0,			\
			.srt_01		= 0,			\
			.rtt_wr_01	= 0,			\
			.dic_01		= ddr4_dic_34ohm,	\
			.rtt_nom_01	= 0,			\
			.pasr_10	= 0,			\
			.asr_10		= 0,			\
			.srt_10		= 0,                    \
			.rtt_wr_10	= ddr4_rttwr_80ohm & 3,	\
			.rtt_wr_10_ext	= (ddr4_rttwr_80ohm >> 2) & 1,	\
			.dic_10		= ddr4_dic_34ohm,	\
			.rtt_nom_10	= 0,			\
			.pasr_11	= 0,			\
			.asr_11		= 0,			\
			.srt_11		= 0,			\
			.rtt_wr_11	= 0,			\
			.dic_11		= ddr4_dic_34ohm,	\
			.rtt_nom_11	= 0			\
		}                                               \
	}

#define OCTEON_EBB7304_MODEREG_PARAMS1_2RANK_1SLOT		\
	{							\
		.cn78xx = {					\
			.pasr_00	= 0,			\
			.asr_00		= 0,			\
			.srt_00		= 0,			\
			.rtt_wr_00	= ddr4_rttwr_240ohm,	\
			.dic_00		= ddr4_dic_34ohm,	\
			.rtt_nom_00	= 0,			\
			.pasr_01	= 0,			\
			.asr_01		= 0,			\
			.srt_01		= 0,			\
			.rtt_wr_01	= ddr4_rttwr_240ohm,	\
			.dic_01		= ddr4_dic_34ohm,	\
			.rtt_nom_01	= 0,			\
			.pasr_10	= 0,			\
			.asr_10		= 0,			\
			.srt_10		= 0,			\
			.dic_10		= ddr4_dic_34ohm,	\
			.rtt_nom_10	= 0,			\
			.pasr_11	= 0,			\
			.asr_11		= 0,			\
			.srt_11		= 0,			\
			.rtt_wr_11	= 0,			\
			.dic_11		= ddr4_dic_34ohm,	\
			.rtt_nom_11	= 0,			\
		}						\
	}

#define OCTEON_EBB7304_MODEREG_PARAMS1_2RANK_2SLOT		\
	{							\
		.cn78xx = {					\
			.pasr_00	= 0,			\
			.asr_00		= 0,			\
			.srt_00		= 0,			\
			.rtt_wr_00	= ddr4_rttwr_240ohm,	\
			.dic_00		= ddr4_dic_34ohm,	\
			.rtt_nom_00	= ddr4_rttnom_120ohm,	\
			.pasr_01	= 0,			\
			.asr_01		= 0,			\
			.srt_01		= 0,			\
			.rtt_wr_01	= ddr4_rttwr_240ohm,	\
			.dic_01		= ddr4_dic_34ohm,	\
			.rtt_nom_01	= ddr4_rttnom_120ohm,	\
			.pasr_10	= 0,			\
			.asr_10		= 0,			\
			.srt_10		= 0,			\
			.rtt_wr_10	= ddr4_rttwr_240ohm,	\
			.dic_10		= ddr4_dic_34ohm,	\
			.rtt_nom_10	= ddr4_rttnom_120ohm,	\
			.pasr_11	= 0,			\
			.asr_11		= 0,			\
			.srt_11		= 0,			\
			.rtt_wr_11	= ddr4_rttwr_240ohm,	\
			.dic_11		= ddr4_dic_34ohm,	\
			.rtt_nom_11	= ddr4_rttnom_120ohm,	\
		}						\
	}

#define OCTEON_EBB7304_MODEREG_PARAMS1_4RANK_1SLOT		\
	{							\
		.cn78xx = {					\
			.pasr_00	= 0,			\
			.asr_00		= 0,			\
			.srt_00		= 0,			\
			.rtt_wr_00	= rttwr_60ohm,		\
			.dic_00		= dic_34ohm,		\
			.rtt_nom_00	= rttnom_20ohm,		\
			.pasr_01	= 0,			\
			.asr_01		= 0,			\
			.srt_01		= 0,			\
			.rtt_wr_01	= rttwr_60ohm,		\
			.dic_01		= dic_34ohm,		\
			.rtt_nom_01	= rttnom_none,		\
			.pasr_10	= 0,			\
			.asr_10		= 0,			\
			.srt_10		= 0,			\
			.rtt_wr_10	= rttwr_60ohm,		\
			.dic_10		= dic_34ohm,		\
			.rtt_nom_10	= rttnom_20ohm,		\
			.pasr_11	= 0,			\
			.asr_11		= 0,			\
			.srt_11		= 0,			\
			.rtt_wr_11	= rttwr_60ohm,		\
			.dic_11		= dic_34ohm,		\
			.rtt_nom_11	= rttnom_none,		\
		}						\
	}

#define OCTEON_EBB7304_MODEREG_PARAMS2_1RANK_1SLOT	\
{							\
	.cn78xx = {					\
		.rtt_park_00    = ddr4_rttpark_60ohm,	\
		.vref_value_00  = 0x22,			\
		.vref_range_00  = 0,			\
		.rtt_park_01    = 0,			\
		.vref_value_01  = 0,			\
		.vref_range_01  = 0,			\
		.rtt_park_10    = 0,			\
		.vref_value_10  = 0,			\
		.vref_range_10  = 0,			\
		.rtt_park_11    = 0,			\
		.vref_value_11  = 0,			\
		.vref_range_11  = 0			\
	}						\
}

/* FIX */
#define OCTEON_EBB7304_MODEREG_PARAMS2_1RANK_2SLOT	\
{							\
	.cn78xx = {					\
		.rtt_park_00    = ddr4_rttpark_48ohm,	\
		.vref_value_00  = 0x1f,			\
		.vref_range_00  = 0,			\
		.rtt_park_01    = 0,			\
		.vref_value_01  = 0,			\
		.vref_range_01  = 0,			\
		.rtt_park_10    = ddr4_rttpark_48ohm,	\
		.vref_value_10  = 0x1f,			\
		.vref_range_10  = 0,			\
		.rtt_park_11    = 0,			\
		.vref_value_11  = 0,			\
		.vref_range_11  = 0			\
	}						\
}

#define OCTEON_EBB7304_MODEREG_PARAMS2_2RANK_1SLOT	\
{							\
	.cn78xx = {					\
		.rtt_park_00    = ddr4_rttpark_120ohm,	\
		.vref_value_00  = 0x19,			\
		.vref_range_00  = 0,			\
		.rtt_park_01    = ddr4_rttpark_120ohm,	\
		.vref_value_01  = 0x19,			\
		.vref_range_01  = 0,			\
		.rtt_park_10    = 0,			\
		.vref_value_10  = 0,			\
		.vref_range_10  = 0,			\
		.rtt_park_11    = 0,			\
		.vref_value_11  = 0,			\
		.vref_range_11  = 0			\
	}						\
}

#define OCTEON_EBB7304_MODEREG_PARAMS2_2RANK_2SLOT	\
{							\
	.cn78xx = {					\
		.rtt_park_00    = ddr4_rttpark_60ohm,	\
		.vref_value_00  = 0x19,			\
		.vref_range_00  = 0,			\
		.rtt_park_01    = ddr4_rttpark_60ohm,	\
		.vref_value_01  = 0x19,			\
		.vref_range_01  = 0,			\
		.rtt_park_10    = ddr4_rttpark_60ohm,	\
		.vref_value_10  = 0x19,			\
		.vref_range_10  = 0,			\
		.rtt_park_11    = ddr4_rttpark_60ohm,	\
		.vref_value_11  = 0x19,			\
		.vref_range_11  = 0			\
	}						\
}

#define OCTEON_EBB7304_MODEREG_PARAMS2_4RANK_1SLOT	\
{							\
	.cn78xx = {					\
		.rtt_park_00    = ddr4_rttpark_80ohm,	\
		.vref_value_00  = 0x1f,			\
		.vref_range_00  = 0,			\
		.rtt_park_01    = ddr4_rttpark_80ohm,	\
		.vref_value_01  = 0x1f,			\
		.vref_range_01  = 0,			\
		.rtt_park_10    = 0,			\
		.vref_value_10  = 0,			\
		.vref_range_10  = 0,			\
		.rtt_park_11    = 0,			\
		.vref_value_11  = 0,			\
		.vref_range_11  = 0			\
	}						\
}

#define OCTEON_EBB7304_CN78XX_DRAM_ODT_1RANK_CONFIGURATION		\
	/*   1 */							\
	{								\
		ddr4_dqx_driver_34_ohm,					\
		0x00000000ULL,						\
		OCTEON_EBB7304_MODEREG_PARAMS1_1RANK_1SLOT,		\
		OCTEON_EBB7304_MODEREG_PARAMS2_1RANK_1SLOT,		\
		ddr4_rodt_ctl_48_ohm,					\
		0x00000000ULL,						\
		0							\
	},								\
	/*   2 */							\
	{								\
		ddr4_dqx_driver_34_ohm,					\
		0x00000000ULL,						\
		OCTEON_EBB7304_MODEREG_PARAMS1_1RANK_2SLOT,		\
		OCTEON_EBB7304_MODEREG_PARAMS2_1RANK_2SLOT,		\
		ddr4_rodt_ctl_80_ohm,					\
		0x00000000ULL,						\
		0							\
	}

#define OCTEON_EBB7304_CN78XX_DRAM_ODT_2RANK_CONFIGURATION		\
	/*   1 */							\
	{								\
		ddr4_dqx_driver_34_ohm,					\
		0x00000000ULL,						\
		OCTEON_EBB7304_MODEREG_PARAMS1_2RANK_1SLOT,		\
		OCTEON_EBB7304_MODEREG_PARAMS2_2RANK_1SLOT,		\
		ddr4_rodt_ctl_80_ohm,					\
		0x00000000ULL,						\
		0							\
	},								\
	/*   2 */							\
	{								\
		ddr4_dqx_driver_34_ohm,					\
		0x0c0c0303ULL,						\
		OCTEON_EBB7304_MODEREG_PARAMS1_2RANK_2SLOT,		\
		OCTEON_EBB7304_MODEREG_PARAMS2_2RANK_2SLOT,		\
		ddr4_rodt_ctl_48_ohm,					\
		0x04080102ULL,						\
		0							\
	}

#define OCTEON_EBB7304_CN78XX_DRAM_ODT_4RANK_CONFIGURATION		\
	/*   1 */							\
	{								\
		ddr4_dqx_driver_34_ohm,					\
		0x01030203ULL,						\
		OCTEON_EBB7304_MODEREG_PARAMS1_4RANK_1SLOT,		\
		OCTEON_EBB7304_MODEREG_PARAMS2_4RANK_1SLOT,		\
		ddr4_rodt_ctl_48_ohm,					\
		0x01010202ULL,						\
		0							\
	}

/*
 * Construct a static initializer for the ddr_configuration_t variable that
 * holds (almost) all of the information required for DDR initialization.
 */

/*
 * The parameters below make up the custom_lmc_config data structure.
 * This structure is used to customize the way that the LMC DRAM
 * Controller is configured for a particular board design.
 *
 * Refer to the file lib_octeon_board_table_entry.h for a description
 * of the custom board settings.  It is usually kept in the following
 * location... arch/mips/include/asm/arch-octeon/
 *
 */

#define OCTEON_EBB7304_DDR_CONFIGURATION				\
/* Interface 0 */							\
{									\
	.custom_lmc_config = {						\
		.min_rtt_nom_idx		= 1,			\
		.max_rtt_nom_idx		= 7,			\
		.min_rodt_ctl			= 1,			\
		.max_rodt_ctl			= 7,			\
		.ck_ctl				= ddr4_driver_34_ohm,	\
		.cmd_ctl			= ddr4_driver_34_ohm,	\
		.ctl_ctl			= ddr4_driver_34_ohm,	\
		.min_cas_latency		= 0,			\
		.offset_en			= 1,			\
		.offset_udimm			= 2,			\
		.offset_rdimm			= 2,			\
		.ddr_rtt_nom_auto		= 0,			\
		.ddr_rodt_ctl_auto		= 0,			\
		.rlevel_comp_offset_udimm	= 0,			\
		.rlevel_comp_offset_rdimm	= 0,			\
		.rlevel_compute			= 0,			\
		.ddr2t_udimm			= 1,			\
		.ddr2t_rdimm			= 1,			\
		.maximum_adjacent_rlevel_delay_increment = 2,		\
		.fprch2				= 2,			\
		.dll_write_offset		= NULL,			\
		.dll_read_offset		= NULL,			\
		.parity				= 0			\
	},								\
	.dimm_config_table = {						\
		OCTEON_EBB7304_DRAM_SOCKET_CONFIGURATION0,		\
		DIMM_CONFIG_TERMINATOR					\
	},								\
	.unbuffered = {							\
		.ddr_board_delay		= 0,			\
		.lmc_delay_clk			= 0,			\
		.lmc_delay_cmd			= 0,			\
		.lmc_delay_dq			= 0			\
	},								\
	.registered = {							\
		.ddr_board_delay		= 0,			\
		.lmc_delay_clk			= 0,			\
		.lmc_delay_cmd			= 0,			\
		.lmc_delay_dq			= 0			\
	},								\
	.odt_1rank_config = {						\
		OCTEON_EBB7304_CN78XX_DRAM_ODT_1RANK_CONFIGURATION	\
	},								\
	.odt_2rank_config = {						\
		OCTEON_EBB7304_CN78XX_DRAM_ODT_2RANK_CONFIGURATION	\
	},								\
	.odt_4rank_config = {						\
		OCTEON_EBB7304_CN78XX_DRAM_ODT_4RANK_CONFIGURATION	\
	}								\
},									\
/* Interface 1 */							\
{									\
	.custom_lmc_config = {						\
		.min_rtt_nom_idx		= 1,			\
		.max_rtt_nom_idx		= 7,			\
		.min_rodt_ctl			= 1,			\
		.max_rodt_ctl			= 7,			\
		.ck_ctl				= ddr4_driver_34_ohm,	\
		.cmd_ctl			= ddr4_driver_34_ohm,	\
		.ctl_ctl			= ddr4_driver_34_ohm,	\
		.min_cas_latency		= 0,			\
		.offset_en			= 1,			\
		.offset_udimm			= 2,			\
		.offset_rdimm			= 2,			\
		.ddr_rtt_nom_auto		= 0,			\
		.ddr_rodt_ctl_auto		= 0,			\
		.rlevel_comp_offset_udimm	= 0,			\
		.rlevel_comp_offset_rdimm	= 0,			\
		.rlevel_compute			= 0,			\
		.ddr2t_udimm			= 1,			\
		.ddr2t_rdimm			= 1,			\
		.maximum_adjacent_rlevel_delay_increment = 2,		\
		.fprch2				= 2,			\
		.dll_write_offset		= NULL,			\
		.dll_read_offset		= NULL,			\
		.parity				= 0			\
	},								\
	.dimm_config_table = {						\
		OCTEON_EBB7304_DRAM_SOCKET_CONFIGURATION1,		\
		DIMM_CONFIG_TERMINATOR					\
	},								\
	.unbuffered = {							\
		.ddr_board_delay		= 0,			\
		.lmc_delay_clk			= 0,			\
		.lmc_delay_cmd			= 0,			\
		.lmc_delay_dq			= 0			\
	},								\
	.registered = {							\
		.ddr_board_delay		= 0,			\
		.lmc_delay_clk			= 0,			\
		.lmc_delay_cmd			= 0,			\
		.lmc_delay_dq			= 0			\
	},								\
	.odt_1rank_config = {						\
		OCTEON_EBB7304_CN78XX_DRAM_ODT_1RANK_CONFIGURATION	\
	},								\
	.odt_2rank_config = {						\
		OCTEON_EBB7304_CN78XX_DRAM_ODT_2RANK_CONFIGURATION	\
	},								\
	.odt_4rank_config = {						\
		OCTEON_EBB7304_CN78XX_DRAM_ODT_4RANK_CONFIGURATION	\
	}								\
},

#endif /* __BOARD_DDR_H__ */