From 63051d62b894b47e6aa3f59756be46513a450742 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Wed, 2 Sep 2020 08:29:10 +0200 Subject: [PATCH] mips: octeon: octeon_ebb7304: Add DDR4 support This patch adds the board specific configuration (struct) for the Octeon 3 EBB7304 EVK. This struct is ported from the 2013er Cavium / Marvell U-Boot repository. Also, the Octeon RAM driver is enabled in the board defconfig for its usage. Tested with one and two DIMMs on the EBB7304 EVK (8 & 16 GiB). Signed-off-by: Stefan Roese --- board/Marvell/octeon_ebb7304/board.c | 25 +- board/Marvell/octeon_ebb7304/board_ddr.h | 447 +++++++++++++++++++++++++++++++ configs/octeon_ebb7304_defconfig | 3 + include/configs/octeon_common.h | 11 +- 4 files changed, 479 insertions(+), 7 deletions(-) create mode 100644 board/Marvell/octeon_ebb7304/board_ddr.h diff --git a/board/Marvell/octeon_ebb7304/board.c b/board/Marvell/octeon_ebb7304/board.c index 56e50a9..611b18f 100644 --- a/board/Marvell/octeon_ebb7304/board.c +++ b/board/Marvell/octeon_ebb7304/board.c @@ -3,7 +3,24 @@ * Copyright (C) 2020 Stefan Roese */ -/* - * Nothing included right now. Code will be added in follow-up - * patches. - */ +#include +#include +#include + +#include + +#include "board_ddr.h" + +#define EBB7304_DEF_DRAM_FREQ 800 + +static struct ddr_conf board_ddr_conf[] = { + OCTEON_EBB7304_DDR_CONFIGURATION +}; + +struct ddr_conf *octeon_ddr_conf_table_get(int *count, int *def_ddr_freq) +{ + *count = ARRAY_SIZE(board_ddr_conf); + *def_ddr_freq = EBB7304_DEF_DRAM_FREQ; + + return board_ddr_conf; +} diff --git a/board/Marvell/octeon_ebb7304/board_ddr.h b/board/Marvell/octeon_ebb7304/board_ddr.h new file mode 100644 index 0000000..f2f3419 --- /dev/null +++ b/board/Marvell/octeon_ebb7304/board_ddr.h @@ -0,0 +1,447 @@ +/* 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__ */ diff --git a/configs/octeon_ebb7304_defconfig b/configs/octeon_ebb7304_defconfig index f8d27b0..105fe5b 100644 --- a/configs/octeon_ebb7304_defconfig +++ b/configs/octeon_ebb7304_defconfig @@ -38,6 +38,9 @@ CONFIG_SPI_FLASH_STMICRO=y # CONFIG_NETDEVICES is not set CONFIG_PCI=y CONFIG_DM_PCI=y +CONFIG_RAM=y +CONFIG_RAM_OCTEON=y +CONFIG_RAM_OCTEON_DDR4=y CONFIG_DEBUG_UART_SHIFT=3 CONFIG_DEBUG_UART_ANNOUNCE=y CONFIG_SYS_NS16550=y diff --git a/include/configs/octeon_common.h b/include/configs/octeon_common.h index 530f02a..541b818 100644 --- a/include/configs/octeon_common.h +++ b/include/configs/octeon_common.h @@ -7,13 +7,18 @@ #ifndef __OCTEON_COMMON_H__ #define __OCTEON_COMMON_H__ -/* No DDR init yet -> run in L2 cache with limited resources */ +#if defined(CONFIG_RAM_OCTEON) +#define CONFIG_SYS_MALLOC_LEN (16 << 20) +#define CONFIG_SYS_INIT_SP_OFFSET 0x20100000 +#else +/* No DDR init -> run in L2 cache with limited resources */ #define CONFIG_SYS_MALLOC_LEN (256 << 10) +#define CONFIG_SYS_INIT_SP_OFFSET 0x00180000 +#endif + #define CONFIG_SYS_SDRAM_BASE 0xffffffff80000000 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE #define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + (1 << 20)) -#define CONFIG_SYS_INIT_SP_OFFSET 0x180000 - #endif /* __OCTEON_COMMON_H__ */ -- 2.7.4