xref: /openbmc/u-boot/drivers/ddr/altera/sequencer.h (revision 98cfc9058bf4b4019bac34765d235d2dcb0192bb)
1 /*
2  * Copyright Altera Corporation (C) 2012-2015
3  *
4  * SPDX-License-Identifier:    BSD-3-Clause
5  */
6 
7 #ifndef _SEQUENCER_H_
8 #define _SEQUENCER_H_
9 
10 #define RW_MGR_NUM_DM_PER_WRITE_GROUP (rwcfg->mem_data_mask_width \
11 	/ rwcfg->mem_if_write_dqs_width)
12 #define RW_MGR_NUM_TRUE_DM_PER_WRITE_GROUP (rwcfg->true_mem_data_mask_width \
13 	/ rwcfg->mem_if_write_dqs_width)
14 
15 #define RW_MGR_NUM_DQS_PER_WRITE_GROUP (rwcfg->mem_if_read_dqs_width \
16 	/ rwcfg->mem_if_write_dqs_width)
17 #define NUM_RANKS_PER_SHADOW_REG (rwcfg->mem_number_of_ranks / NUM_SHADOW_REGS)
18 
19 #define RW_MGR_RUN_SINGLE_GROUP_OFFSET		0x0
20 #define RW_MGR_RUN_ALL_GROUPS_OFFSET		0x0400
21 #define RW_MGR_RESET_READ_DATAPATH_OFFSET	0x1000
22 #define RW_MGR_SET_CS_AND_ODT_MASK_OFFSET	0x1400
23 #define RW_MGR_INST_ROM_WRITE_OFFSET		0x1800
24 #define RW_MGR_AC_ROM_WRITE_OFFSET		0x1C00
25 
26 #define NUM_SHADOW_REGS			1
27 
28 #define RW_MGR_RANK_NONE		0xFF
29 #define RW_MGR_RANK_ALL			0x00
30 
31 #define RW_MGR_ODT_MODE_OFF		0
32 #define RW_MGR_ODT_MODE_READ_WRITE	1
33 
34 #define NUM_CALIB_REPEAT		1
35 
36 #define NUM_READ_TESTS			7
37 #define NUM_READ_PB_TESTS		7
38 #define NUM_WRITE_TESTS			15
39 #define NUM_WRITE_PB_TESTS		31
40 
41 #define PASS_ALL_BITS			1
42 #define PASS_ONE_BIT			0
43 
44 /* calibration stages */
45 #define CAL_STAGE_NIL			0
46 #define CAL_STAGE_VFIFO			1
47 #define CAL_STAGE_WLEVEL		2
48 #define CAL_STAGE_LFIFO			3
49 #define CAL_STAGE_WRITES		4
50 #define CAL_STAGE_FULLTEST		5
51 #define CAL_STAGE_REFRESH		6
52 #define CAL_STAGE_CAL_SKIPPED		7
53 #define CAL_STAGE_CAL_ABORTED		8
54 #define CAL_STAGE_VFIFO_AFTER_WRITES	9
55 
56 /* calibration substages */
57 #define CAL_SUBSTAGE_NIL		0
58 #define CAL_SUBSTAGE_GUARANTEED_READ	1
59 #define CAL_SUBSTAGE_DQS_EN_PHASE	2
60 #define CAL_SUBSTAGE_VFIFO_CENTER	3
61 #define CAL_SUBSTAGE_WORKING_DELAY	1
62 #define CAL_SUBSTAGE_LAST_WORKING_DELAY	2
63 #define CAL_SUBSTAGE_WLEVEL_COPY	3
64 #define CAL_SUBSTAGE_WRITES_CENTER	1
65 #define CAL_SUBSTAGE_READ_LATENCY	1
66 #define CAL_SUBSTAGE_REFRESH		1
67 
68 #define SCC_MGR_GROUP_COUNTER_OFFSET		0x0000
69 #define SCC_MGR_DQS_IN_DELAY_OFFSET		0x0100
70 #define SCC_MGR_DQS_EN_PHASE_OFFSET		0x0200
71 #define SCC_MGR_DQS_EN_DELAY_OFFSET		0x0300
72 #define SCC_MGR_DQDQS_OUT_PHASE_OFFSET		0x0400
73 #define SCC_MGR_OCT_OUT1_DELAY_OFFSET		0x0500
74 #define SCC_MGR_IO_OUT1_DELAY_OFFSET		0x0700
75 #define SCC_MGR_IO_IN_DELAY_OFFSET		0x0900
76 
77 /* HHP-HPS-specific versions of some commands */
78 #define SCC_MGR_DQS_EN_DELAY_GATE_OFFSET	0x0600
79 #define SCC_MGR_IO_OE_DELAY_OFFSET		0x0800
80 #define SCC_MGR_HHP_GLOBALS_OFFSET		0x0A00
81 #define SCC_MGR_HHP_RFILE_OFFSET		0x0B00
82 #define SCC_MGR_AFI_CAL_INIT_OFFSET		0x0D00
83 
84 #define SDR_PHYGRP_SCCGRP_ADDRESS		(SOCFPGA_SDR_ADDRESS | 0x0)
85 #define SDR_PHYGRP_PHYMGRGRP_ADDRESS		(SOCFPGA_SDR_ADDRESS | 0x1000)
86 #define SDR_PHYGRP_RWMGRGRP_ADDRESS		(SOCFPGA_SDR_ADDRESS | 0x2000)
87 #define SDR_PHYGRP_DATAMGRGRP_ADDRESS		(SOCFPGA_SDR_ADDRESS | 0x4000)
88 #define SDR_PHYGRP_REGFILEGRP_ADDRESS		(SOCFPGA_SDR_ADDRESS | 0x4800)
89 
90 #define PHY_MGR_CAL_RESET		(0)
91 #define PHY_MGR_CAL_SUCCESS		(1)
92 #define PHY_MGR_CAL_FAIL		(2)
93 
94 #define CALIB_SKIP_DELAY_LOOPS		(1 << 0)
95 #define CALIB_SKIP_ALL_BITS_CHK		(1 << 1)
96 #define CALIB_SKIP_DELAY_SWEEPS		(1 << 2)
97 #define CALIB_SKIP_VFIFO		(1 << 3)
98 #define CALIB_SKIP_LFIFO		(1 << 4)
99 #define CALIB_SKIP_WLEVEL		(1 << 5)
100 #define CALIB_SKIP_WRITES		(1 << 6)
101 #define CALIB_SKIP_FULL_TEST		(1 << 7)
102 #define CALIB_SKIP_ALL			(CALIB_SKIP_VFIFO | \
103 				CALIB_SKIP_LFIFO | CALIB_SKIP_WLEVEL | \
104 				CALIB_SKIP_WRITES | CALIB_SKIP_FULL_TEST)
105 #define CALIB_IN_RTL_SIM			(1 << 8)
106 
107 /* Scan chain manager command addresses */
108 #define READ_SCC_OCT_OUT2_DELAY			0
109 #define READ_SCC_DQ_OUT2_DELAY			0
110 #define READ_SCC_DQS_IO_OUT2_DELAY		0
111 #define READ_SCC_DM_IO_OUT2_DELAY		0
112 
113 /* HHP-HPS-specific values */
114 #define SCC_MGR_HHP_EXTRAS_OFFSET			0
115 #define SCC_MGR_HHP_DQSE_MAP_OFFSET			1
116 
117 /* PHY Debug mode flag constants */
118 #define PHY_DEBUG_IN_DEBUG_MODE 0x00000001
119 #define PHY_DEBUG_ENABLE_CAL_RPT 0x00000002
120 #define PHY_DEBUG_ENABLE_MARGIN_RPT 0x00000004
121 #define PHY_DEBUG_SWEEP_ALL_GROUPS 0x00000008
122 #define PHY_DEBUG_DISABLE_GUARANTEED_READ 0x00000010
123 #define PHY_DEBUG_ENABLE_NON_DESTRUCTIVE_CALIBRATION 0x00000020
124 
125 /* Init and Reset delay constants - Only use if defined by sequencer_defines.h,
126  * otherwise, revert to defaults
127  * Default for Tinit = (0+1) * ((202+1) * (2 * 131 + 1) + 1) = 53532 =
128  * 200.75us @ 266MHz
129  */
130 #ifdef TINIT_CNTR0_VAL
131 #define SEQ_TINIT_CNTR0_VAL TINIT_CNTR0_VAL
132 #else
133 #define SEQ_TINIT_CNTR0_VAL 0
134 #endif
135 
136 #ifdef TINIT_CNTR1_VAL
137 #define SEQ_TINIT_CNTR1_VAL TINIT_CNTR1_VAL
138 #else
139 #define SEQ_TINIT_CNTR1_VAL 202
140 #endif
141 
142 #ifdef TINIT_CNTR2_VAL
143 #define SEQ_TINIT_CNTR2_VAL TINIT_CNTR2_VAL
144 #else
145 #define SEQ_TINIT_CNTR2_VAL 131
146 #endif
147 
148 
149 /* Default for Treset = (2+1) * ((252+1) * (2 * 131 + 1) + 1) = 133563 =
150  * 500.86us @ 266MHz
151  */
152 #ifdef TRESET_CNTR0_VAL
153 #define SEQ_TRESET_CNTR0_VAL TRESET_CNTR0_VAL
154 #else
155 #define SEQ_TRESET_CNTR0_VAL 2
156 #endif
157 
158 #ifdef TRESET_CNTR1_VAL
159 #define SEQ_TRESET_CNTR1_VAL TRESET_CNTR1_VAL
160 #else
161 #define SEQ_TRESET_CNTR1_VAL 252
162 #endif
163 
164 #ifdef TRESET_CNTR2_VAL
165 #define SEQ_TRESET_CNTR2_VAL TRESET_CNTR2_VAL
166 #else
167 #define SEQ_TRESET_CNTR2_VAL 131
168 #endif
169 
170 struct socfpga_sdr_rw_load_manager {
171 	u32	load_cntr0;
172 	u32	load_cntr1;
173 	u32	load_cntr2;
174 	u32	load_cntr3;
175 };
176 
177 struct socfpga_sdr_rw_load_jump_manager {
178 	u32	load_jump_add0;
179 	u32	load_jump_add1;
180 	u32	load_jump_add2;
181 	u32	load_jump_add3;
182 };
183 
184 struct socfpga_sdr_reg_file {
185 	u32 signature;
186 	u32 debug_data_addr;
187 	u32 cur_stage;
188 	u32 fom;
189 	u32 failing_stage;
190 	u32 debug1;
191 	u32 debug2;
192 	u32 dtaps_per_ptap;
193 	u32 trk_sample_count;
194 	u32 trk_longidle;
195 	u32 delays;
196 	u32 trk_rw_mgr_addr;
197 	u32 trk_read_dqs_width;
198 	u32 trk_rfsh;
199 };
200 
201 /* parameter variable holder */
202 struct param_type {
203 	u32	read_correct_mask;
204 	u32	read_correct_mask_vg;
205 	u32	write_correct_mask;
206 	u32	write_correct_mask_vg;
207 };
208 
209 
210 /* global variable holder */
211 struct gbl_type {
212 	uint32_t phy_debug_mode_flags;
213 
214 	/* current read latency */
215 
216 	uint32_t curr_read_lat;
217 
218 	/* error code */
219 
220 	uint32_t error_substage;
221 	uint32_t error_stage;
222 	uint32_t error_group;
223 
224 	/* figure-of-merit in, figure-of-merit out */
225 
226 	uint32_t fom_in;
227 	uint32_t fom_out;
228 
229 	/*USER Number of RW Mgr NOP cycles between
230 	write command and write data */
231 	uint32_t rw_wl_nop_cycles;
232 };
233 
234 struct socfpga_sdr_scc_mgr {
235 	u32	dqs_ena;
236 	u32	dqs_io_ena;
237 	u32	dq_ena;
238 	u32	dm_ena;
239 	u32	__padding1[4];
240 	u32	update;
241 	u32	__padding2[7];
242 	u32	active_rank;
243 };
244 
245 /* PHY manager configuration registers. */
246 struct socfpga_phy_mgr_cfg {
247 	u32	phy_rlat;
248 	u32	reset_mem_stbl;
249 	u32	mux_sel;
250 	u32	cal_status;
251 	u32	cal_debug_info;
252 	u32	vfifo_rd_en_ovrd;
253 	u32	afi_wlat;
254 	u32	afi_rlat;
255 };
256 
257 /* PHY manager command addresses. */
258 struct socfpga_phy_mgr_cmd {
259 	u32	inc_vfifo_fr;
260 	u32	inc_vfifo_hard_phy;
261 	u32	fifo_reset;
262 	u32	inc_vfifo_fr_hr;
263 	u32	inc_vfifo_qr;
264 };
265 
266 struct socfpga_data_mgr {
267 	u32	__padding1;
268 	u32	t_wl_add;
269 	u32	mem_t_add;
270 	u32	t_rl_add;
271 };
272 #endif /* _SEQUENCER_H_ */
273