xref: /openbmc/u-boot/drivers/ddr/altera/sequencer.h (revision f085ac3b1408c33ac2e2239796b31a93a143fefa)
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 (RW_MGR_MEM_DATA_MASK_WIDTH \
11 	/ RW_MGR_MEM_IF_WRITE_DQS_WIDTH)
12 #define RW_MGR_NUM_TRUE_DM_PER_WRITE_GROUP (RW_MGR_TRUE_MEM_DATA_MASK_WIDTH \
13 	/ RW_MGR_MEM_IF_WRITE_DQS_WIDTH)
14 
15 #define RW_MGR_NUM_DQS_PER_WRITE_GROUP (RW_MGR_MEM_IF_READ_DQS_WIDTH \
16 	/ RW_MGR_MEM_IF_WRITE_DQS_WIDTH)
17 #define NUM_RANKS_PER_SHADOW_REG (RW_MGR_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 RW_MGR_MEM_NUMBER_OF_RANKS	1
27 #define NUM_SHADOW_REGS			1
28 
29 #define RW_MGR_RANK_NONE		0xFF
30 #define RW_MGR_RANK_ALL			0x00
31 
32 #define RW_MGR_ODT_MODE_OFF		0
33 #define RW_MGR_ODT_MODE_READ_WRITE	1
34 
35 #define NUM_CALIB_REPEAT		1
36 
37 #define NUM_READ_TESTS			7
38 #define NUM_READ_PB_TESTS		7
39 #define NUM_WRITE_TESTS			15
40 #define NUM_WRITE_PB_TESTS		31
41 
42 #define PASS_ALL_BITS			1
43 #define PASS_ONE_BIT			0
44 
45 /* calibration stages */
46 #define CAL_STAGE_NIL			0
47 #define CAL_STAGE_VFIFO			1
48 #define CAL_STAGE_WLEVEL		2
49 #define CAL_STAGE_LFIFO			3
50 #define CAL_STAGE_WRITES		4
51 #define CAL_STAGE_FULLTEST		5
52 #define CAL_STAGE_REFRESH		6
53 #define CAL_STAGE_CAL_SKIPPED		7
54 #define CAL_STAGE_CAL_ABORTED		8
55 #define CAL_STAGE_VFIFO_AFTER_WRITES	9
56 
57 /* calibration substages */
58 #define CAL_SUBSTAGE_NIL		0
59 #define CAL_SUBSTAGE_GUARANTEED_READ	1
60 #define CAL_SUBSTAGE_DQS_EN_PHASE	2
61 #define CAL_SUBSTAGE_VFIFO_CENTER	3
62 #define CAL_SUBSTAGE_WORKING_DELAY	1
63 #define CAL_SUBSTAGE_LAST_WORKING_DELAY	2
64 #define CAL_SUBSTAGE_WLEVEL_COPY	3
65 #define CAL_SUBSTAGE_WRITES_CENTER	1
66 #define CAL_SUBSTAGE_READ_LATENCY	1
67 #define CAL_SUBSTAGE_REFRESH		1
68 
69 /* length of VFIFO, from SW_MACROS */
70 #define VFIFO_SIZE			(READ_VALID_FIFO_SIZE)
71 
72 #define SCC_MGR_GROUP_COUNTER_OFFSET		0x0000
73 #define SCC_MGR_DQS_IN_DELAY_OFFSET		0x0100
74 #define SCC_MGR_DQS_EN_PHASE_OFFSET		0x0200
75 #define SCC_MGR_DQS_EN_DELAY_OFFSET		0x0300
76 #define SCC_MGR_DQDQS_OUT_PHASE_OFFSET		0x0400
77 #define SCC_MGR_OCT_OUT1_DELAY_OFFSET		0x0500
78 #define SCC_MGR_IO_OUT1_DELAY_OFFSET		0x0700
79 #define SCC_MGR_IO_IN_DELAY_OFFSET		0x0900
80 
81 /* HHP-HPS-specific versions of some commands */
82 #define SCC_MGR_DQS_EN_DELAY_GATE_OFFSET	0x0600
83 #define SCC_MGR_IO_OE_DELAY_OFFSET		0x0800
84 #define SCC_MGR_HHP_GLOBALS_OFFSET		0x0A00
85 #define SCC_MGR_HHP_RFILE_OFFSET		0x0B00
86 #define SCC_MGR_AFI_CAL_INIT_OFFSET		0x0D00
87 
88 #define SDR_PHYGRP_SCCGRP_ADDRESS		(SOCFPGA_SDR_ADDRESS | 0x0)
89 #define SDR_PHYGRP_PHYMGRGRP_ADDRESS		(SOCFPGA_SDR_ADDRESS | 0x1000)
90 #define SDR_PHYGRP_RWMGRGRP_ADDRESS		(SOCFPGA_SDR_ADDRESS | 0x2000)
91 #define SDR_PHYGRP_DATAMGRGRP_ADDRESS		(SOCFPGA_SDR_ADDRESS | 0x4000)
92 #define SDR_PHYGRP_REGFILEGRP_ADDRESS		(SOCFPGA_SDR_ADDRESS | 0x4800)
93 
94 #define PHY_MGR_CAL_RESET		(0)
95 #define PHY_MGR_CAL_SUCCESS		(1)
96 #define PHY_MGR_CAL_FAIL		(2)
97 
98 #define CALIB_SKIP_DELAY_LOOPS		(1 << 0)
99 #define CALIB_SKIP_ALL_BITS_CHK		(1 << 1)
100 #define CALIB_SKIP_DELAY_SWEEPS		(1 << 2)
101 #define CALIB_SKIP_VFIFO		(1 << 3)
102 #define CALIB_SKIP_LFIFO		(1 << 4)
103 #define CALIB_SKIP_WLEVEL		(1 << 5)
104 #define CALIB_SKIP_WRITES		(1 << 6)
105 #define CALIB_SKIP_FULL_TEST		(1 << 7)
106 #define CALIB_SKIP_ALL			(CALIB_SKIP_VFIFO | \
107 				CALIB_SKIP_LFIFO | CALIB_SKIP_WLEVEL | \
108 				CALIB_SKIP_WRITES | CALIB_SKIP_FULL_TEST)
109 #define CALIB_IN_RTL_SIM			(1 << 8)
110 
111 /* Scan chain manager command addresses */
112 #define READ_SCC_OCT_OUT2_DELAY			0
113 #define READ_SCC_DQ_OUT2_DELAY			0
114 #define READ_SCC_DQS_IO_OUT2_DELAY		0
115 #define READ_SCC_DM_IO_OUT2_DELAY		0
116 
117 /* HHP-HPS-specific values */
118 #define SCC_MGR_HHP_EXTRAS_OFFSET			0
119 #define SCC_MGR_HHP_DQSE_MAP_OFFSET			1
120 
121 /* PHY Debug mode flag constants */
122 #define PHY_DEBUG_IN_DEBUG_MODE 0x00000001
123 #define PHY_DEBUG_ENABLE_CAL_RPT 0x00000002
124 #define PHY_DEBUG_ENABLE_MARGIN_RPT 0x00000004
125 #define PHY_DEBUG_SWEEP_ALL_GROUPS 0x00000008
126 #define PHY_DEBUG_DISABLE_GUARANTEED_READ 0x00000010
127 #define PHY_DEBUG_ENABLE_NON_DESTRUCTIVE_CALIBRATION 0x00000020
128 
129 /* Init and Reset delay constants - Only use if defined by sequencer_defines.h,
130  * otherwise, revert to defaults
131  * Default for Tinit = (0+1) * ((202+1) * (2 * 131 + 1) + 1) = 53532 =
132  * 200.75us @ 266MHz
133  */
134 #ifdef TINIT_CNTR0_VAL
135 #define SEQ_TINIT_CNTR0_VAL TINIT_CNTR0_VAL
136 #else
137 #define SEQ_TINIT_CNTR0_VAL 0
138 #endif
139 
140 #ifdef TINIT_CNTR1_VAL
141 #define SEQ_TINIT_CNTR1_VAL TINIT_CNTR1_VAL
142 #else
143 #define SEQ_TINIT_CNTR1_VAL 202
144 #endif
145 
146 #ifdef TINIT_CNTR2_VAL
147 #define SEQ_TINIT_CNTR2_VAL TINIT_CNTR2_VAL
148 #else
149 #define SEQ_TINIT_CNTR2_VAL 131
150 #endif
151 
152 
153 /* Default for Treset = (2+1) * ((252+1) * (2 * 131 + 1) + 1) = 133563 =
154  * 500.86us @ 266MHz
155  */
156 #ifdef TRESET_CNTR0_VAL
157 #define SEQ_TRESET_CNTR0_VAL TRESET_CNTR0_VAL
158 #else
159 #define SEQ_TRESET_CNTR0_VAL 2
160 #endif
161 
162 #ifdef TRESET_CNTR1_VAL
163 #define SEQ_TRESET_CNTR1_VAL TRESET_CNTR1_VAL
164 #else
165 #define SEQ_TRESET_CNTR1_VAL 252
166 #endif
167 
168 #ifdef TRESET_CNTR2_VAL
169 #define SEQ_TRESET_CNTR2_VAL TRESET_CNTR2_VAL
170 #else
171 #define SEQ_TRESET_CNTR2_VAL 131
172 #endif
173 
174 struct socfpga_sdr_rw_load_manager {
175 	u32	load_cntr0;
176 	u32	load_cntr1;
177 	u32	load_cntr2;
178 	u32	load_cntr3;
179 };
180 
181 struct socfpga_sdr_rw_load_jump_manager {
182 	u32	load_jump_add0;
183 	u32	load_jump_add1;
184 	u32	load_jump_add2;
185 	u32	load_jump_add3;
186 };
187 
188 struct socfpga_sdr_reg_file {
189 	u32 signature;
190 	u32 debug_data_addr;
191 	u32 cur_stage;
192 	u32 fom;
193 	u32 failing_stage;
194 	u32 debug1;
195 	u32 debug2;
196 	u32 dtaps_per_ptap;
197 	u32 trk_sample_count;
198 	u32 trk_longidle;
199 	u32 delays;
200 	u32 trk_rw_mgr_addr;
201 	u32 trk_read_dqs_width;
202 	u32 trk_rfsh;
203 };
204 
205 /* parameter variable holder */
206 struct param_type {
207 	u32	read_correct_mask;
208 	u32	read_correct_mask_vg;
209 	u32	write_correct_mask;
210 	u32	write_correct_mask_vg;
211 };
212 
213 
214 /* global variable holder */
215 struct gbl_type {
216 	uint32_t phy_debug_mode_flags;
217 
218 	/* current read latency */
219 
220 	uint32_t curr_read_lat;
221 
222 	/* error code */
223 
224 	uint32_t error_substage;
225 	uint32_t error_stage;
226 	uint32_t error_group;
227 
228 	/* figure-of-merit in, figure-of-merit out */
229 
230 	uint32_t fom_in;
231 	uint32_t fom_out;
232 
233 	/*USER Number of RW Mgr NOP cycles between
234 	write command and write data */
235 	uint32_t rw_wl_nop_cycles;
236 };
237 
238 struct socfpga_sdr_scc_mgr {
239 	u32	dqs_ena;
240 	u32	dqs_io_ena;
241 	u32	dq_ena;
242 	u32	dm_ena;
243 	u32	__padding1[4];
244 	u32	update;
245 	u32	__padding2[7];
246 	u32	active_rank;
247 };
248 
249 /* PHY manager configuration registers. */
250 struct socfpga_phy_mgr_cfg {
251 	u32	phy_rlat;
252 	u32	reset_mem_stbl;
253 	u32	mux_sel;
254 	u32	cal_status;
255 	u32	cal_debug_info;
256 	u32	vfifo_rd_en_ovrd;
257 	u32	afi_wlat;
258 	u32	afi_rlat;
259 };
260 
261 /* PHY manager command addresses. */
262 struct socfpga_phy_mgr_cmd {
263 	u32	inc_vfifo_fr;
264 	u32	inc_vfifo_hard_phy;
265 	u32	fifo_reset;
266 	u32	inc_vfifo_fr_hr;
267 	u32	inc_vfifo_qr;
268 };
269 
270 struct socfpga_data_mgr {
271 	u32	__padding1;
272 	u32	t_wl_add;
273 	u32	mem_t_add;
274 	u32	t_rl_add;
275 };
276 #endif /* _SEQUENCER_H_ */
277