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https://github.com/brain-hackers/u-boot-brain
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![Simon Goldschmidt](/assets/img/avatar_default.png)
This driver uses bss from SPL board_init_f(). Change it to move all the data from bss to a common struct allocated on the stack (64 byte). In addition to saving 28 bytes of bss, the code even gets 264 bytes smaller. Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
284 lines
7.4 KiB
C
284 lines
7.4 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause */
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/*
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* Copyright Altera Corporation (C) 2012-2015
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*/
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#ifndef _SEQUENCER_H_
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#define _SEQUENCER_H_
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#define RW_MGR_NUM_DM_PER_WRITE_GROUP (seq->rwcfg->mem_data_mask_width \
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/ seq->rwcfg->mem_if_write_dqs_width)
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#define RW_MGR_NUM_TRUE_DM_PER_WRITE_GROUP ( \
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seq->rwcfg->true_mem_data_mask_width \
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/ seq->rwcfg->mem_if_write_dqs_width)
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#define RW_MGR_NUM_DQS_PER_WRITE_GROUP (seq->rwcfg->mem_if_read_dqs_width \
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/ seq->rwcfg->mem_if_write_dqs_width)
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#define NUM_RANKS_PER_SHADOW_REG (seq->rwcfg->mem_number_of_ranks \
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/ NUM_SHADOW_REGS)
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#define RW_MGR_RUN_SINGLE_GROUP_OFFSET 0x0
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#define RW_MGR_RUN_ALL_GROUPS_OFFSET 0x0400
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#define RW_MGR_RESET_READ_DATAPATH_OFFSET 0x1000
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#define RW_MGR_SET_CS_AND_ODT_MASK_OFFSET 0x1400
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#define RW_MGR_INST_ROM_WRITE_OFFSET 0x1800
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#define RW_MGR_AC_ROM_WRITE_OFFSET 0x1C00
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#define NUM_SHADOW_REGS 1
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#define RW_MGR_RANK_NONE 0xFF
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#define RW_MGR_RANK_ALL 0x00
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#define RW_MGR_ODT_MODE_OFF 0
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#define RW_MGR_ODT_MODE_READ_WRITE 1
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#define NUM_CALIB_REPEAT 1
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#define NUM_READ_TESTS 7
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#define NUM_READ_PB_TESTS 7
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#define NUM_WRITE_TESTS 15
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#define NUM_WRITE_PB_TESTS 31
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#define PASS_ALL_BITS 1
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#define PASS_ONE_BIT 0
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/* calibration stages */
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#define CAL_STAGE_NIL 0
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#define CAL_STAGE_VFIFO 1
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#define CAL_STAGE_WLEVEL 2
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#define CAL_STAGE_LFIFO 3
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#define CAL_STAGE_WRITES 4
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#define CAL_STAGE_FULLTEST 5
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#define CAL_STAGE_REFRESH 6
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#define CAL_STAGE_CAL_SKIPPED 7
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#define CAL_STAGE_CAL_ABORTED 8
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#define CAL_STAGE_VFIFO_AFTER_WRITES 9
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/* calibration substages */
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#define CAL_SUBSTAGE_NIL 0
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#define CAL_SUBSTAGE_GUARANTEED_READ 1
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#define CAL_SUBSTAGE_DQS_EN_PHASE 2
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#define CAL_SUBSTAGE_VFIFO_CENTER 3
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#define CAL_SUBSTAGE_WORKING_DELAY 1
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#define CAL_SUBSTAGE_LAST_WORKING_DELAY 2
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#define CAL_SUBSTAGE_WLEVEL_COPY 3
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#define CAL_SUBSTAGE_WRITES_CENTER 1
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#define CAL_SUBSTAGE_READ_LATENCY 1
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#define CAL_SUBSTAGE_REFRESH 1
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#define SCC_MGR_GROUP_COUNTER_OFFSET 0x0000
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#define SCC_MGR_DQS_IN_DELAY_OFFSET 0x0100
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#define SCC_MGR_DQS_EN_PHASE_OFFSET 0x0200
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#define SCC_MGR_DQS_EN_DELAY_OFFSET 0x0300
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#define SCC_MGR_DQDQS_OUT_PHASE_OFFSET 0x0400
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#define SCC_MGR_OCT_OUT1_DELAY_OFFSET 0x0500
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#define SCC_MGR_IO_OUT1_DELAY_OFFSET 0x0700
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#define SCC_MGR_IO_IN_DELAY_OFFSET 0x0900
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/* HHP-HPS-specific versions of some commands */
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#define SCC_MGR_DQS_EN_DELAY_GATE_OFFSET 0x0600
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#define SCC_MGR_IO_OE_DELAY_OFFSET 0x0800
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#define SCC_MGR_HHP_GLOBALS_OFFSET 0x0A00
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#define SCC_MGR_HHP_RFILE_OFFSET 0x0B00
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#define SCC_MGR_AFI_CAL_INIT_OFFSET 0x0D00
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#define SDR_PHYGRP_SCCGRP_ADDRESS (SOCFPGA_SDR_ADDRESS | 0x0)
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#define SDR_PHYGRP_PHYMGRGRP_ADDRESS (SOCFPGA_SDR_ADDRESS | 0x1000)
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#define SDR_PHYGRP_RWMGRGRP_ADDRESS (SOCFPGA_SDR_ADDRESS | 0x2000)
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#define SDR_PHYGRP_DATAMGRGRP_ADDRESS (SOCFPGA_SDR_ADDRESS | 0x4000)
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#define SDR_PHYGRP_REGFILEGRP_ADDRESS (SOCFPGA_SDR_ADDRESS | 0x4800)
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#define PHY_MGR_CAL_RESET (0)
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#define PHY_MGR_CAL_SUCCESS (1)
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#define PHY_MGR_CAL_FAIL (2)
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#define CALIB_SKIP_DELAY_LOOPS (1 << 0)
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#define CALIB_SKIP_ALL_BITS_CHK (1 << 1)
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#define CALIB_SKIP_DELAY_SWEEPS (1 << 2)
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#define CALIB_SKIP_VFIFO (1 << 3)
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#define CALIB_SKIP_LFIFO (1 << 4)
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#define CALIB_SKIP_WLEVEL (1 << 5)
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#define CALIB_SKIP_WRITES (1 << 6)
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#define CALIB_SKIP_FULL_TEST (1 << 7)
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#define CALIB_SKIP_ALL (CALIB_SKIP_VFIFO | \
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CALIB_SKIP_LFIFO | CALIB_SKIP_WLEVEL | \
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CALIB_SKIP_WRITES | CALIB_SKIP_FULL_TEST)
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#define CALIB_IN_RTL_SIM (1 << 8)
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/* Scan chain manager command addresses */
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#define READ_SCC_OCT_OUT2_DELAY 0
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#define READ_SCC_DQ_OUT2_DELAY 0
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#define READ_SCC_DQS_IO_OUT2_DELAY 0
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#define READ_SCC_DM_IO_OUT2_DELAY 0
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/* HHP-HPS-specific values */
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#define SCC_MGR_HHP_EXTRAS_OFFSET 0
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#define SCC_MGR_HHP_DQSE_MAP_OFFSET 1
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/* PHY Debug mode flag constants */
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#define PHY_DEBUG_IN_DEBUG_MODE 0x00000001
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#define PHY_DEBUG_ENABLE_CAL_RPT 0x00000002
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#define PHY_DEBUG_ENABLE_MARGIN_RPT 0x00000004
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#define PHY_DEBUG_SWEEP_ALL_GROUPS 0x00000008
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#define PHY_DEBUG_DISABLE_GUARANTEED_READ 0x00000010
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#define PHY_DEBUG_ENABLE_NON_DESTRUCTIVE_CALIBRATION 0x00000020
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struct socfpga_sdr_rw_load_manager {
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u32 load_cntr0;
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u32 load_cntr1;
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u32 load_cntr2;
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u32 load_cntr3;
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};
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struct socfpga_sdr_rw_load_jump_manager {
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u32 load_jump_add0;
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u32 load_jump_add1;
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u32 load_jump_add2;
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u32 load_jump_add3;
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};
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struct socfpga_sdr_reg_file {
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u32 signature;
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u32 debug_data_addr;
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u32 cur_stage;
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u32 fom;
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u32 failing_stage;
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u32 debug1;
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u32 debug2;
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u32 dtaps_per_ptap;
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u32 trk_sample_count;
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u32 trk_longidle;
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u32 delays;
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u32 trk_rw_mgr_addr;
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u32 trk_read_dqs_width;
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u32 trk_rfsh;
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};
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/* parameter variable holder */
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struct param_type {
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u32 read_correct_mask;
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u32 read_correct_mask_vg;
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u32 write_correct_mask;
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u32 write_correct_mask_vg;
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};
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/* global variable holder */
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struct gbl_type {
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uint32_t phy_debug_mode_flags;
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/* current read latency */
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uint32_t curr_read_lat;
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/* error code */
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uint32_t error_substage;
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uint32_t error_stage;
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uint32_t error_group;
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/* figure-of-merit in, figure-of-merit out */
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uint32_t fom_in;
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uint32_t fom_out;
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/*USER Number of RW Mgr NOP cycles between
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write command and write data */
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uint32_t rw_wl_nop_cycles;
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};
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struct socfpga_sdr_scc_mgr {
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u32 dqs_ena;
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u32 dqs_io_ena;
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u32 dq_ena;
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u32 dm_ena;
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u32 __padding1[4];
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u32 update;
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u32 __padding2[7];
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u32 active_rank;
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};
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/* PHY manager configuration registers. */
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struct socfpga_phy_mgr_cfg {
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u32 phy_rlat;
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u32 reset_mem_stbl;
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u32 mux_sel;
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u32 cal_status;
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u32 cal_debug_info;
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u32 vfifo_rd_en_ovrd;
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u32 afi_wlat;
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u32 afi_rlat;
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};
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/* PHY manager command addresses. */
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struct socfpga_phy_mgr_cmd {
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u32 inc_vfifo_fr;
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u32 inc_vfifo_hard_phy;
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u32 fifo_reset;
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u32 inc_vfifo_fr_hr;
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u32 inc_vfifo_qr;
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};
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struct socfpga_data_mgr {
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u32 __padding1;
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u32 t_wl_add;
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u32 mem_t_add;
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u32 t_rl_add;
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};
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/* This struct describes the controller @ SOCFPGA_SDR_ADDRESS */
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struct socfpga_sdr {
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/* SDR_PHYGRP_SCCGRP_ADDRESS */
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u8 _align1[0xe00];
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/* SDR_PHYGRP_SCCGRP_ADDRESS | 0xe00 */
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struct socfpga_sdr_scc_mgr sdr_scc_mgr;
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u8 _align2[0x1bc];
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/* SDR_PHYGRP_PHYMGRGRP_ADDRESS */
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struct socfpga_phy_mgr_cmd phy_mgr_cmd;
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u8 _align3[0x2c];
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/* SDR_PHYGRP_PHYMGRGRP_ADDRESS | 0x40 */
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struct socfpga_phy_mgr_cfg phy_mgr_cfg;
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u8 _align4[0xfa0];
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/* SDR_PHYGRP_RWMGRGRP_ADDRESS */
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u8 rwmgr_grp[0x800];
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/* SDR_PHYGRP_RWMGRGRP_ADDRESS | 0x800 */
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struct socfpga_sdr_rw_load_manager sdr_rw_load_mgr_regs;
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u8 _align5[0x3f0];
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/* SDR_PHYGRP_RWMGRGRP_ADDRESS | 0xC00 */
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struct socfpga_sdr_rw_load_jump_manager sdr_rw_load_jump_mgr_regs;
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u8 _align6[0x13f0];
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/* SDR_PHYGRP_DATAMGRGRP_ADDRESS */
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struct socfpga_data_mgr data_mgr;
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u8 _align7[0x7f0];
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/* SDR_PHYGRP_REGFILEGRP_ADDRESS */
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struct socfpga_sdr_reg_file sdr_reg_file;
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u8 _align8[0x7c8];
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/* SDR_CTRLGRP_ADDRESS */
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struct socfpga_sdr_ctrl sdr_ctrl;
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u8 _align9[0xea4];
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};
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struct socfpga_sdrseq {
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const struct socfpga_sdram_rw_mgr_config *rwcfg;
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const struct socfpga_sdram_io_config *iocfg;
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const struct socfpga_sdram_misc_config *misccfg;
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/* calibration steps requested by the rtl */
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u16 dyn_calib_steps;
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/*
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* To make CALIB_SKIP_DELAY_LOOPS a dynamic conditional option
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* instead of static, we use boolean logic to select between
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* non-skip and skip values
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*
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* The mask is set to include all bits when not-skipping, but is
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* zero when skipping
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*/
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u16 skip_delay_mask; /* mask off bits when skipping/not-skipping */
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struct gbl_type gbl;
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struct param_type param;
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};
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int sdram_calibration_full(struct socfpga_sdr *sdr);
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#endif /* _SEQUENCER_H_ */
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