xref: /openbmc/u-boot/arch/arm/include/asm/emif.h (revision 84683638)
1 /*
2  * OMAP44xx EMIF header
3  *
4  * Copyright (C) 2009-2010 Texas Instruments, Inc.
5  *
6  * Aneesh V <aneesh@ti.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 
13 #ifndef _EMIF_H_
14 #define _EMIF_H_
15 #include <asm/types.h>
16 #include <common.h>
17 
18 /* Base address */
19 #define EMIF1_BASE				0x4c000000
20 #define EMIF2_BASE				0x4d000000
21 
22 /* Registers shifts and masks */
23 
24 /* EMIF_MOD_ID_REV */
25 #define EMIF_REG_SCHEME_SHIFT			30
26 #define EMIF_REG_SCHEME_MASK			(0x3 << 30)
27 #define EMIF_REG_MODULE_ID_SHIFT			16
28 #define EMIF_REG_MODULE_ID_MASK			(0xfff << 16)
29 #define EMIF_REG_RTL_VERSION_SHIFT			11
30 #define EMIF_REG_RTL_VERSION_MASK			(0x1f << 11)
31 #define EMIF_REG_MAJOR_REVISION_SHIFT		8
32 #define EMIF_REG_MAJOR_REVISION_MASK		(0x7 << 8)
33 #define EMIF_REG_MINOR_REVISION_SHIFT		0
34 #define EMIF_REG_MINOR_REVISION_MASK		(0x3f << 0)
35 
36 /* STATUS */
37 #define EMIF_REG_BE_SHIFT				31
38 #define EMIF_REG_BE_MASK				(1 << 31)
39 #define EMIF_REG_DUAL_CLK_MODE_SHIFT		30
40 #define EMIF_REG_DUAL_CLK_MODE_MASK			(1 << 30)
41 #define EMIF_REG_FAST_INIT_SHIFT			29
42 #define EMIF_REG_FAST_INIT_MASK			(1 << 29)
43 #define EMIF_REG_PHY_DLL_READY_SHIFT		2
44 #define EMIF_REG_PHY_DLL_READY_MASK			(1 << 2)
45 
46 /* SDRAM_CONFIG */
47 #define EMIF_REG_SDRAM_TYPE_SHIFT			29
48 #define EMIF_REG_SDRAM_TYPE_MASK			(0x7 << 29)
49 #define EMIF_REG_IBANK_POS_SHIFT			27
50 #define EMIF_REG_IBANK_POS_MASK			(0x3 << 27)
51 #define EMIF_REG_DDR_TERM_SHIFT			24
52 #define EMIF_REG_DDR_TERM_MASK			(0x7 << 24)
53 #define EMIF_REG_DDR2_DDQS_SHIFT			23
54 #define EMIF_REG_DDR2_DDQS_MASK			(1 << 23)
55 #define EMIF_REG_DYN_ODT_SHIFT			21
56 #define EMIF_REG_DYN_ODT_MASK			(0x3 << 21)
57 #define EMIF_REG_DDR_DISABLE_DLL_SHIFT		20
58 #define EMIF_REG_DDR_DISABLE_DLL_MASK		(1 << 20)
59 #define EMIF_REG_SDRAM_DRIVE_SHIFT			18
60 #define EMIF_REG_SDRAM_DRIVE_MASK			(0x3 << 18)
61 #define EMIF_REG_CWL_SHIFT				16
62 #define EMIF_REG_CWL_MASK				(0x3 << 16)
63 #define EMIF_REG_NARROW_MODE_SHIFT			14
64 #define EMIF_REG_NARROW_MODE_MASK			(0x3 << 14)
65 #define EMIF_REG_CL_SHIFT				10
66 #define EMIF_REG_CL_MASK				(0xf << 10)
67 #define EMIF_REG_ROWSIZE_SHIFT			7
68 #define EMIF_REG_ROWSIZE_MASK			(0x7 << 7)
69 #define EMIF_REG_IBANK_SHIFT			4
70 #define EMIF_REG_IBANK_MASK				(0x7 << 4)
71 #define EMIF_REG_EBANK_SHIFT			3
72 #define EMIF_REG_EBANK_MASK				(1 << 3)
73 #define EMIF_REG_PAGESIZE_SHIFT			0
74 #define EMIF_REG_PAGESIZE_MASK			(0x7 << 0)
75 
76 /* SDRAM_CONFIG_2 */
77 #define EMIF_REG_CS1NVMEN_SHIFT			30
78 #define EMIF_REG_CS1NVMEN_MASK			(1 << 30)
79 #define EMIF_REG_EBANK_POS_SHIFT			27
80 #define EMIF_REG_EBANK_POS_MASK			(1 << 27)
81 #define EMIF_REG_RDBNUM_SHIFT			4
82 #define EMIF_REG_RDBNUM_MASK			(0x3 << 4)
83 #define EMIF_REG_RDBSIZE_SHIFT			0
84 #define EMIF_REG_RDBSIZE_MASK			(0x7 << 0)
85 
86 /* SDRAM_REF_CTRL */
87 #define EMIF_REG_INITREF_DIS_SHIFT			31
88 #define EMIF_REG_INITREF_DIS_MASK			(1 << 31)
89 #define EMIF_REG_SRT_SHIFT				29
90 #define EMIF_REG_SRT_MASK				(1 << 29)
91 #define EMIF_REG_ASR_SHIFT				28
92 #define EMIF_REG_ASR_MASK				(1 << 28)
93 #define EMIF_REG_PASR_SHIFT				24
94 #define EMIF_REG_PASR_MASK				(0x7 << 24)
95 #define EMIF_REG_REFRESH_RATE_SHIFT			0
96 #define EMIF_REG_REFRESH_RATE_MASK			(0xffff << 0)
97 
98 /* SDRAM_REF_CTRL_SHDW */
99 #define EMIF_REG_REFRESH_RATE_SHDW_SHIFT		0
100 #define EMIF_REG_REFRESH_RATE_SHDW_MASK		(0xffff << 0)
101 
102 /* SDRAM_TIM_1 */
103 #define EMIF_REG_T_RP_SHIFT				25
104 #define EMIF_REG_T_RP_MASK				(0xf << 25)
105 #define EMIF_REG_T_RCD_SHIFT			21
106 #define EMIF_REG_T_RCD_MASK				(0xf << 21)
107 #define EMIF_REG_T_WR_SHIFT				17
108 #define EMIF_REG_T_WR_MASK				(0xf << 17)
109 #define EMIF_REG_T_RAS_SHIFT			12
110 #define EMIF_REG_T_RAS_MASK				(0x1f << 12)
111 #define EMIF_REG_T_RC_SHIFT				6
112 #define EMIF_REG_T_RC_MASK				(0x3f << 6)
113 #define EMIF_REG_T_RRD_SHIFT			3
114 #define EMIF_REG_T_RRD_MASK				(0x7 << 3)
115 #define EMIF_REG_T_WTR_SHIFT			0
116 #define EMIF_REG_T_WTR_MASK				(0x7 << 0)
117 
118 /* SDRAM_TIM_1_SHDW */
119 #define EMIF_REG_T_RP_SHDW_SHIFT			25
120 #define EMIF_REG_T_RP_SHDW_MASK			(0xf << 25)
121 #define EMIF_REG_T_RCD_SHDW_SHIFT			21
122 #define EMIF_REG_T_RCD_SHDW_MASK			(0xf << 21)
123 #define EMIF_REG_T_WR_SHDW_SHIFT			17
124 #define EMIF_REG_T_WR_SHDW_MASK			(0xf << 17)
125 #define EMIF_REG_T_RAS_SHDW_SHIFT			12
126 #define EMIF_REG_T_RAS_SHDW_MASK			(0x1f << 12)
127 #define EMIF_REG_T_RC_SHDW_SHIFT			6
128 #define EMIF_REG_T_RC_SHDW_MASK			(0x3f << 6)
129 #define EMIF_REG_T_RRD_SHDW_SHIFT			3
130 #define EMIF_REG_T_RRD_SHDW_MASK			(0x7 << 3)
131 #define EMIF_REG_T_WTR_SHDW_SHIFT			0
132 #define EMIF_REG_T_WTR_SHDW_MASK			(0x7 << 0)
133 
134 /* SDRAM_TIM_2 */
135 #define EMIF_REG_T_XP_SHIFT				28
136 #define EMIF_REG_T_XP_MASK				(0x7 << 28)
137 #define EMIF_REG_T_ODT_SHIFT			25
138 #define EMIF_REG_T_ODT_MASK				(0x7 << 25)
139 #define EMIF_REG_T_XSNR_SHIFT			16
140 #define EMIF_REG_T_XSNR_MASK			(0x1ff << 16)
141 #define EMIF_REG_T_XSRD_SHIFT			6
142 #define EMIF_REG_T_XSRD_MASK			(0x3ff << 6)
143 #define EMIF_REG_T_RTP_SHIFT			3
144 #define EMIF_REG_T_RTP_MASK				(0x7 << 3)
145 #define EMIF_REG_T_CKE_SHIFT			0
146 #define EMIF_REG_T_CKE_MASK				(0x7 << 0)
147 
148 /* SDRAM_TIM_2_SHDW */
149 #define EMIF_REG_T_XP_SHDW_SHIFT			28
150 #define EMIF_REG_T_XP_SHDW_MASK			(0x7 << 28)
151 #define EMIF_REG_T_ODT_SHDW_SHIFT			25
152 #define EMIF_REG_T_ODT_SHDW_MASK			(0x7 << 25)
153 #define EMIF_REG_T_XSNR_SHDW_SHIFT			16
154 #define EMIF_REG_T_XSNR_SHDW_MASK			(0x1ff << 16)
155 #define EMIF_REG_T_XSRD_SHDW_SHIFT			6
156 #define EMIF_REG_T_XSRD_SHDW_MASK			(0x3ff << 6)
157 #define EMIF_REG_T_RTP_SHDW_SHIFT			3
158 #define EMIF_REG_T_RTP_SHDW_MASK			(0x7 << 3)
159 #define EMIF_REG_T_CKE_SHDW_SHIFT			0
160 #define EMIF_REG_T_CKE_SHDW_MASK			(0x7 << 0)
161 
162 /* SDRAM_TIM_3 */
163 #define EMIF_REG_T_CKESR_SHIFT			21
164 #define EMIF_REG_T_CKESR_MASK			(0x7 << 21)
165 #define EMIF_REG_ZQ_ZQCS_SHIFT			15
166 #define EMIF_REG_ZQ_ZQCS_MASK			(0x3f << 15)
167 #define EMIF_REG_T_TDQSCKMAX_SHIFT			13
168 #define EMIF_REG_T_TDQSCKMAX_MASK			(0x3 << 13)
169 #define EMIF_REG_T_RFC_SHIFT			4
170 #define EMIF_REG_T_RFC_MASK				(0x1ff << 4)
171 #define EMIF_REG_T_RAS_MAX_SHIFT			0
172 #define EMIF_REG_T_RAS_MAX_MASK			(0xf << 0)
173 
174 /* SDRAM_TIM_3_SHDW */
175 #define EMIF_REG_T_CKESR_SHDW_SHIFT			21
176 #define EMIF_REG_T_CKESR_SHDW_MASK			(0x7 << 21)
177 #define EMIF_REG_ZQ_ZQCS_SHDW_SHIFT			15
178 #define EMIF_REG_ZQ_ZQCS_SHDW_MASK			(0x3f << 15)
179 #define EMIF_REG_T_TDQSCKMAX_SHDW_SHIFT		13
180 #define EMIF_REG_T_TDQSCKMAX_SHDW_MASK		(0x3 << 13)
181 #define EMIF_REG_T_RFC_SHDW_SHIFT			4
182 #define EMIF_REG_T_RFC_SHDW_MASK			(0x1ff << 4)
183 #define EMIF_REG_T_RAS_MAX_SHDW_SHIFT		0
184 #define EMIF_REG_T_RAS_MAX_SHDW_MASK		(0xf << 0)
185 
186 /* LPDDR2_NVM_TIM */
187 #define EMIF_REG_NVM_T_XP_SHIFT			28
188 #define EMIF_REG_NVM_T_XP_MASK			(0x7 << 28)
189 #define EMIF_REG_NVM_T_WTR_SHIFT			24
190 #define EMIF_REG_NVM_T_WTR_MASK			(0x7 << 24)
191 #define EMIF_REG_NVM_T_RP_SHIFT			20
192 #define EMIF_REG_NVM_T_RP_MASK			(0xf << 20)
193 #define EMIF_REG_NVM_T_WRA_SHIFT			16
194 #define EMIF_REG_NVM_T_WRA_MASK			(0xf << 16)
195 #define EMIF_REG_NVM_T_RRD_SHIFT			8
196 #define EMIF_REG_NVM_T_RRD_MASK			(0xff << 8)
197 #define EMIF_REG_NVM_T_RCDMIN_SHIFT			0
198 #define EMIF_REG_NVM_T_RCDMIN_MASK			(0xff << 0)
199 
200 /* LPDDR2_NVM_TIM_SHDW */
201 #define EMIF_REG_NVM_T_XP_SHDW_SHIFT		28
202 #define EMIF_REG_NVM_T_XP_SHDW_MASK			(0x7 << 28)
203 #define EMIF_REG_NVM_T_WTR_SHDW_SHIFT		24
204 #define EMIF_REG_NVM_T_WTR_SHDW_MASK		(0x7 << 24)
205 #define EMIF_REG_NVM_T_RP_SHDW_SHIFT		20
206 #define EMIF_REG_NVM_T_RP_SHDW_MASK			(0xf << 20)
207 #define EMIF_REG_NVM_T_WRA_SHDW_SHIFT		16
208 #define EMIF_REG_NVM_T_WRA_SHDW_MASK		(0xf << 16)
209 #define EMIF_REG_NVM_T_RRD_SHDW_SHIFT		8
210 #define EMIF_REG_NVM_T_RRD_SHDW_MASK		(0xff << 8)
211 #define EMIF_REG_NVM_T_RCDMIN_SHDW_SHIFT		0
212 #define EMIF_REG_NVM_T_RCDMIN_SHDW_MASK		(0xff << 0)
213 
214 /* PWR_MGMT_CTRL */
215 #define EMIF_REG_IDLEMODE_SHIFT			30
216 #define EMIF_REG_IDLEMODE_MASK			(0x3 << 30)
217 #define EMIF_REG_PD_TIM_SHIFT			12
218 #define EMIF_REG_PD_TIM_MASK			(0xf << 12)
219 #define EMIF_REG_DPD_EN_SHIFT			11
220 #define EMIF_REG_DPD_EN_MASK			(1 << 11)
221 #define EMIF_REG_LP_MODE_SHIFT			8
222 #define EMIF_REG_LP_MODE_MASK			(0x7 << 8)
223 #define EMIF_REG_SR_TIM_SHIFT			4
224 #define EMIF_REG_SR_TIM_MASK			(0xf << 4)
225 #define EMIF_REG_CS_TIM_SHIFT			0
226 #define EMIF_REG_CS_TIM_MASK			(0xf << 0)
227 
228 /* PWR_MGMT_CTRL_SHDW */
229 #define EMIF_REG_PD_TIM_SHDW_SHIFT			12
230 #define EMIF_REG_PD_TIM_SHDW_MASK			(0xf << 12)
231 #define EMIF_REG_SR_TIM_SHDW_SHIFT			4
232 #define EMIF_REG_SR_TIM_SHDW_MASK			(0xf << 4)
233 #define EMIF_REG_CS_TIM_SHDW_SHIFT			0
234 #define EMIF_REG_CS_TIM_SHDW_MASK			(0xf << 0)
235 
236 /* LPDDR2_MODE_REG_DATA */
237 #define EMIF_REG_VALUE_0_SHIFT			0
238 #define EMIF_REG_VALUE_0_MASK			(0x7f << 0)
239 
240 /* LPDDR2_MODE_REG_CFG */
241 #define EMIF_REG_CS_SHIFT				31
242 #define EMIF_REG_CS_MASK				(1 << 31)
243 #define EMIF_REG_REFRESH_EN_SHIFT			30
244 #define EMIF_REG_REFRESH_EN_MASK			(1 << 30)
245 #define EMIF_REG_ADDRESS_SHIFT			0
246 #define EMIF_REG_ADDRESS_MASK			(0xff << 0)
247 
248 /* OCP_CONFIG */
249 #define EMIF_REG_SYS_THRESH_MAX_SHIFT		24
250 #define EMIF_REG_SYS_THRESH_MAX_MASK		(0xf << 24)
251 #define EMIF_REG_MPU_THRESH_MAX_SHIFT		20
252 #define EMIF_REG_MPU_THRESH_MAX_MASK		(0xf << 20)
253 #define EMIF_REG_LL_THRESH_MAX_SHIFT		16
254 #define EMIF_REG_LL_THRESH_MAX_MASK			(0xf << 16)
255 #define EMIF_REG_PR_OLD_COUNT_SHIFT			0
256 #define EMIF_REG_PR_OLD_COUNT_MASK			(0xff << 0)
257 
258 /* OCP_CFG_VAL_1 */
259 #define EMIF_REG_SYS_BUS_WIDTH_SHIFT		30
260 #define EMIF_REG_SYS_BUS_WIDTH_MASK			(0x3 << 30)
261 #define EMIF_REG_LL_BUS_WIDTH_SHIFT			28
262 #define EMIF_REG_LL_BUS_WIDTH_MASK			(0x3 << 28)
263 #define EMIF_REG_WR_FIFO_DEPTH_SHIFT		8
264 #define EMIF_REG_WR_FIFO_DEPTH_MASK			(0xff << 8)
265 #define EMIF_REG_CMD_FIFO_DEPTH_SHIFT		0
266 #define EMIF_REG_CMD_FIFO_DEPTH_MASK		(0xff << 0)
267 
268 /* OCP_CFG_VAL_2 */
269 #define EMIF_REG_RREG_FIFO_DEPTH_SHIFT		16
270 #define EMIF_REG_RREG_FIFO_DEPTH_MASK		(0xff << 16)
271 #define EMIF_REG_RSD_FIFO_DEPTH_SHIFT		8
272 #define EMIF_REG_RSD_FIFO_DEPTH_MASK		(0xff << 8)
273 #define EMIF_REG_RCMD_FIFO_DEPTH_SHIFT		0
274 #define EMIF_REG_RCMD_FIFO_DEPTH_MASK		(0xff << 0)
275 
276 /* IODFT_TLGC */
277 #define EMIF_REG_TLEC_SHIFT				16
278 #define EMIF_REG_TLEC_MASK				(0xffff << 16)
279 #define EMIF_REG_MT_SHIFT				14
280 #define EMIF_REG_MT_MASK				(1 << 14)
281 #define EMIF_REG_ACT_CAP_EN_SHIFT			13
282 #define EMIF_REG_ACT_CAP_EN_MASK			(1 << 13)
283 #define EMIF_REG_OPG_LD_SHIFT			12
284 #define EMIF_REG_OPG_LD_MASK			(1 << 12)
285 #define EMIF_REG_RESET_PHY_SHIFT			10
286 #define EMIF_REG_RESET_PHY_MASK			(1 << 10)
287 #define EMIF_REG_MMS_SHIFT				8
288 #define EMIF_REG_MMS_MASK				(1 << 8)
289 #define EMIF_REG_MC_SHIFT				4
290 #define EMIF_REG_MC_MASK				(0x3 << 4)
291 #define EMIF_REG_PC_SHIFT				1
292 #define EMIF_REG_PC_MASK				(0x7 << 1)
293 #define EMIF_REG_TM_SHIFT				0
294 #define EMIF_REG_TM_MASK				(1 << 0)
295 
296 /* IODFT_CTRL_MISR_RSLT */
297 #define EMIF_REG_DQM_TLMR_SHIFT			16
298 #define EMIF_REG_DQM_TLMR_MASK			(0x3ff << 16)
299 #define EMIF_REG_CTL_TLMR_SHIFT			0
300 #define EMIF_REG_CTL_TLMR_MASK			(0x7ff << 0)
301 
302 /* IODFT_ADDR_MISR_RSLT */
303 #define EMIF_REG_ADDR_TLMR_SHIFT			0
304 #define EMIF_REG_ADDR_TLMR_MASK			(0x1fffff << 0)
305 
306 /* IODFT_DATA_MISR_RSLT_1 */
307 #define EMIF_REG_DATA_TLMR_31_0_SHIFT		0
308 #define EMIF_REG_DATA_TLMR_31_0_MASK		(0xffffffff << 0)
309 
310 /* IODFT_DATA_MISR_RSLT_2 */
311 #define EMIF_REG_DATA_TLMR_63_32_SHIFT		0
312 #define EMIF_REG_DATA_TLMR_63_32_MASK		(0xffffffff << 0)
313 
314 /* IODFT_DATA_MISR_RSLT_3 */
315 #define EMIF_REG_DATA_TLMR_66_64_SHIFT		0
316 #define EMIF_REG_DATA_TLMR_66_64_MASK		(0x7 << 0)
317 
318 /* PERF_CNT_1 */
319 #define EMIF_REG_COUNTER1_SHIFT			0
320 #define EMIF_REG_COUNTER1_MASK			(0xffffffff << 0)
321 
322 /* PERF_CNT_2 */
323 #define EMIF_REG_COUNTER2_SHIFT			0
324 #define EMIF_REG_COUNTER2_MASK			(0xffffffff << 0)
325 
326 /* PERF_CNT_CFG */
327 #define EMIF_REG_CNTR2_MCONNID_EN_SHIFT		31
328 #define EMIF_REG_CNTR2_MCONNID_EN_MASK		(1 << 31)
329 #define EMIF_REG_CNTR2_REGION_EN_SHIFT		30
330 #define EMIF_REG_CNTR2_REGION_EN_MASK		(1 << 30)
331 #define EMIF_REG_CNTR2_CFG_SHIFT			16
332 #define EMIF_REG_CNTR2_CFG_MASK			(0xf << 16)
333 #define EMIF_REG_CNTR1_MCONNID_EN_SHIFT		15
334 #define EMIF_REG_CNTR1_MCONNID_EN_MASK		(1 << 15)
335 #define EMIF_REG_CNTR1_REGION_EN_SHIFT		14
336 #define EMIF_REG_CNTR1_REGION_EN_MASK		(1 << 14)
337 #define EMIF_REG_CNTR1_CFG_SHIFT			0
338 #define EMIF_REG_CNTR1_CFG_MASK			(0xf << 0)
339 
340 /* PERF_CNT_SEL */
341 #define EMIF_REG_MCONNID2_SHIFT			24
342 #define EMIF_REG_MCONNID2_MASK			(0xff << 24)
343 #define EMIF_REG_REGION_SEL2_SHIFT			16
344 #define EMIF_REG_REGION_SEL2_MASK			(0x3 << 16)
345 #define EMIF_REG_MCONNID1_SHIFT			8
346 #define EMIF_REG_MCONNID1_MASK			(0xff << 8)
347 #define EMIF_REG_REGION_SEL1_SHIFT			0
348 #define EMIF_REG_REGION_SEL1_MASK			(0x3 << 0)
349 
350 /* PERF_CNT_TIM */
351 #define EMIF_REG_TOTAL_TIME_SHIFT			0
352 #define EMIF_REG_TOTAL_TIME_MASK			(0xffffffff << 0)
353 
354 /* READ_IDLE_CTRL */
355 #define EMIF_REG_READ_IDLE_LEN_SHIFT		16
356 #define EMIF_REG_READ_IDLE_LEN_MASK			(0xf << 16)
357 #define EMIF_REG_READ_IDLE_INTERVAL_SHIFT		0
358 #define EMIF_REG_READ_IDLE_INTERVAL_MASK		(0x1ff << 0)
359 
360 /* READ_IDLE_CTRL_SHDW */
361 #define EMIF_REG_READ_IDLE_LEN_SHDW_SHIFT		16
362 #define EMIF_REG_READ_IDLE_LEN_SHDW_MASK		(0xf << 16)
363 #define EMIF_REG_READ_IDLE_INTERVAL_SHDW_SHIFT	0
364 #define EMIF_REG_READ_IDLE_INTERVAL_SHDW_MASK	(0x1ff << 0)
365 
366 /* IRQ_EOI */
367 #define EMIF_REG_EOI_SHIFT				0
368 #define EMIF_REG_EOI_MASK				(1 << 0)
369 
370 /* IRQSTATUS_RAW_SYS */
371 #define EMIF_REG_DNV_SYS_SHIFT			2
372 #define EMIF_REG_DNV_SYS_MASK			(1 << 2)
373 #define EMIF_REG_TA_SYS_SHIFT			1
374 #define EMIF_REG_TA_SYS_MASK			(1 << 1)
375 #define EMIF_REG_ERR_SYS_SHIFT			0
376 #define EMIF_REG_ERR_SYS_MASK			(1 << 0)
377 
378 /* IRQSTATUS_RAW_LL */
379 #define EMIF_REG_DNV_LL_SHIFT			2
380 #define EMIF_REG_DNV_LL_MASK			(1 << 2)
381 #define EMIF_REG_TA_LL_SHIFT			1
382 #define EMIF_REG_TA_LL_MASK				(1 << 1)
383 #define EMIF_REG_ERR_LL_SHIFT			0
384 #define EMIF_REG_ERR_LL_MASK			(1 << 0)
385 
386 /* IRQSTATUS_SYS */
387 
388 /* IRQSTATUS_LL */
389 
390 /* IRQENABLE_SET_SYS */
391 #define EMIF_REG_EN_DNV_SYS_SHIFT			2
392 #define EMIF_REG_EN_DNV_SYS_MASK			(1 << 2)
393 #define EMIF_REG_EN_TA_SYS_SHIFT			1
394 #define EMIF_REG_EN_TA_SYS_MASK			(1 << 1)
395 #define EMIF_REG_EN_ERR_SYS_SHIFT			0
396 #define EMIF_REG_EN_ERR_SYS_MASK			(1 << 0)
397 
398 /* IRQENABLE_SET_LL */
399 #define EMIF_REG_EN_DNV_LL_SHIFT			2
400 #define EMIF_REG_EN_DNV_LL_MASK			(1 << 2)
401 #define EMIF_REG_EN_TA_LL_SHIFT			1
402 #define EMIF_REG_EN_TA_LL_MASK			(1 << 1)
403 #define EMIF_REG_EN_ERR_LL_SHIFT			0
404 #define EMIF_REG_EN_ERR_LL_MASK			(1 << 0)
405 
406 /* IRQENABLE_CLR_SYS */
407 
408 /* IRQENABLE_CLR_LL */
409 
410 /* ZQ_CONFIG */
411 #define EMIF_REG_ZQ_CS1EN_SHIFT			31
412 #define EMIF_REG_ZQ_CS1EN_MASK			(1 << 31)
413 #define EMIF_REG_ZQ_CS0EN_SHIFT			30
414 #define EMIF_REG_ZQ_CS0EN_MASK			(1 << 30)
415 #define EMIF_REG_ZQ_DUALCALEN_SHIFT			29
416 #define EMIF_REG_ZQ_DUALCALEN_MASK			(1 << 29)
417 #define EMIF_REG_ZQ_SFEXITEN_SHIFT			28
418 #define EMIF_REG_ZQ_SFEXITEN_MASK			(1 << 28)
419 #define EMIF_REG_ZQ_ZQINIT_MULT_SHIFT		18
420 #define EMIF_REG_ZQ_ZQINIT_MULT_MASK		(0x3 << 18)
421 #define EMIF_REG_ZQ_ZQCL_MULT_SHIFT			16
422 #define EMIF_REG_ZQ_ZQCL_MULT_MASK			(0x3 << 16)
423 #define EMIF_REG_ZQ_REFINTERVAL_SHIFT		0
424 #define EMIF_REG_ZQ_REFINTERVAL_MASK		(0xffff << 0)
425 
426 /* TEMP_ALERT_CONFIG */
427 #define EMIF_REG_TA_CS1EN_SHIFT			31
428 #define EMIF_REG_TA_CS1EN_MASK			(1 << 31)
429 #define EMIF_REG_TA_CS0EN_SHIFT			30
430 #define EMIF_REG_TA_CS0EN_MASK			(1 << 30)
431 #define EMIF_REG_TA_SFEXITEN_SHIFT			28
432 #define EMIF_REG_TA_SFEXITEN_MASK			(1 << 28)
433 #define EMIF_REG_TA_DEVWDT_SHIFT			26
434 #define EMIF_REG_TA_DEVWDT_MASK			(0x3 << 26)
435 #define EMIF_REG_TA_DEVCNT_SHIFT			24
436 #define EMIF_REG_TA_DEVCNT_MASK			(0x3 << 24)
437 #define EMIF_REG_TA_REFINTERVAL_SHIFT		0
438 #define EMIF_REG_TA_REFINTERVAL_MASK		(0x3fffff << 0)
439 
440 /* OCP_ERR_LOG */
441 #define EMIF_REG_MADDRSPACE_SHIFT			14
442 #define EMIF_REG_MADDRSPACE_MASK			(0x3 << 14)
443 #define EMIF_REG_MBURSTSEQ_SHIFT			11
444 #define EMIF_REG_MBURSTSEQ_MASK			(0x7 << 11)
445 #define EMIF_REG_MCMD_SHIFT				8
446 #define EMIF_REG_MCMD_MASK				(0x7 << 8)
447 #define EMIF_REG_MCONNID_SHIFT			0
448 #define EMIF_REG_MCONNID_MASK			(0xff << 0)
449 
450 /* DDR_PHY_CTRL_1 */
451 #define EMIF_REG_DDR_PHY_CTRL_1_SHIFT		4
452 #define EMIF_REG_DDR_PHY_CTRL_1_MASK		(0xfffffff << 4)
453 #define EMIF_REG_READ_LATENCY_SHIFT			0
454 #define EMIF_REG_READ_LATENCY_MASK			(0xf << 0)
455 #define EMIF_REG_DLL_SLAVE_DLY_CTRL_SHIFT		4
456 #define EMIF_REG_DLL_SLAVE_DLY_CTRL_MASK		(0xFF << 4)
457 #define EMIF_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHIFT	12
458 #define EMIF_EMIF_DDR_PHY_CTRL_1_BASE_VAL_MASK	(0xFFFFF << 12)
459 
460 /* DDR_PHY_CTRL_1_SHDW */
461 #define EMIF_REG_DDR_PHY_CTRL_1_SHDW_SHIFT		4
462 #define EMIF_REG_DDR_PHY_CTRL_1_SHDW_MASK		(0xfffffff << 4)
463 #define EMIF_REG_READ_LATENCY_SHDW_SHIFT		0
464 #define EMIF_REG_READ_LATENCY_SHDW_MASK		(0xf << 0)
465 #define EMIF_REG_DLL_SLAVE_DLY_CTRL_SHDW_SHIFT	4
466 #define EMIF_REG_DLL_SLAVE_DLY_CTRL_SHDW_MASK	(0xFF << 4)
467 #define EMIF_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHDW_SHIFT 12
468 #define EMIF_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHDW_MASK	(0xFFFFF << 12)
469 
470 /* DDR_PHY_CTRL_2 */
471 #define EMIF_REG_DDR_PHY_CTRL_2_SHIFT		0
472 #define EMIF_REG_DDR_PHY_CTRL_2_MASK		(0xffffffff << 0)
473 
474 /*EMIF_READ_WRITE_LEVELING_CONTROL*/
475 #define EMIF_REG_RDWRLVLFULL_START_SHIFT	31
476 #define EMIF_REG_RDWRLVLFULL_START_MASK		(1 << 31)
477 #define EMIF_REG_RDWRLVLINC_PRE_SHIFT		24
478 #define EMIF_REG_RDWRLVLINC_PRE_MASK		(0x7F << 24)
479 #define EMIF_REG_RDLVLINC_INT_SHIFT		16
480 #define EMIF_REG_RDLVLINC_INT_MASK		(0xFF << 16)
481 #define EMIF_REG_RDLVLGATEINC_INT_SHIFT		8
482 #define EMIF_REG_RDLVLGATEINC_INT_MASK		(0xFF << 8)
483 #define EMIF_REG_WRLVLINC_INT_SHIFT		0
484 #define EMIF_REG_WRLVLINC_INT_MASK		(0xFF << 0)
485 
486 /*EMIF_READ_WRITE_LEVELING_RAMP_CONTROL*/
487 #define EMIF_REG_RDWRLVL_EN_SHIFT		31
488 #define EMIF_REG_RDWRLVL_EN_MASK		(1 << 31)
489 #define EMIF_REG_RDWRLVLINC_RMP_PRE_SHIFT	24
490 #define EMIF_REG_RDWRLVLINC_RMP_PRE_MASK	(0x7F << 24)
491 #define EMIF_REG_RDLVLINC_RMP_INT_SHIFT		16
492 #define EMIF_REG_RDLVLINC_RMP_INT_MASK		(0xFF << 16)
493 #define EMIF_REG_RDLVLGATEINC_RMP_INT_SHIFT	8
494 #define EMIF_REG_RDLVLGATEINC_RMP_INT_MASK	(0xFF << 8)
495 #define EMIF_REG_WRLVLINC_RMP_INT_SHIFT		0
496 #define EMIF_REG_WRLVLINC_RMP_INT_MASK		(0xFF << 0)
497 
498 /*EMIF_READ_WRITE_LEVELING_RAMP_WINDOW*/
499 #define EMIF_REG_RDWRLVLINC_RMP_WIN_SHIFT	0
500 #define EMIF_REG_RDWRLVLINC_RMP_WIN_MASK	(0x1FFF << 0)
501 
502 /*Leveling Fields */
503 #define DDR3_WR_LVL_INT		0x73
504 #define DDR3_RD_LVL_INT		0x33
505 #define DDR3_RD_LVL_GATE_INT	0x59
506 #define RD_RW_LVL_INC_PRE	0x0
507 #define DDR3_FULL_LVL		(1 << EMIF_REG_RDWRLVL_EN_SHIFT)
508 
509 #define DDR3_INC_LVL	((DDR3_WR_LVL_INT << EMIF_REG_WRLVLINC_INT_SHIFT)   \
510 		| (DDR3_RD_LVL_GATE_INT << EMIF_REG_RDLVLGATEINC_INT_SHIFT) \
511 		| (DDR3_RD_LVL_INT << EMIF_REG_RDLVLINC_RMP_INT_SHIFT)      \
512 		| (RD_RW_LVL_INC_PRE << EMIF_REG_RDWRLVLINC_RMP_PRE_SHIFT))
513 
514 #define SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES	0x0000C1A7
515 #define SDRAM_CONFIG_EXT_RD_LVL_4_SAMPLES	0x000001A7
516 
517 /* DMM */
518 #define DMM_BASE			0x4E000040
519 
520 /* Memory Adapter */
521 #define MA_BASE				0x482AF040
522 
523 /* DMM_LISA_MAP */
524 #define EMIF_SYS_ADDR_SHIFT		24
525 #define EMIF_SYS_ADDR_MASK		(0xff << 24)
526 #define EMIF_SYS_SIZE_SHIFT		20
527 #define EMIF_SYS_SIZE_MASK		(0x7 << 20)
528 #define EMIF_SDRC_INTL_SHIFT	18
529 #define EMIF_SDRC_INTL_MASK		(0x3 << 18)
530 #define EMIF_SDRC_ADDRSPC_SHIFT	16
531 #define EMIF_SDRC_ADDRSPC_MASK	(0x3 << 16)
532 #define EMIF_SDRC_MAP_SHIFT		8
533 #define EMIF_SDRC_MAP_MASK		(0x3 << 8)
534 #define EMIF_SDRC_ADDR_SHIFT	0
535 #define EMIF_SDRC_ADDR_MASK		(0xff << 0)
536 
537 /* DMM_LISA_MAP fields */
538 #define DMM_SDRC_MAP_UNMAPPED		0
539 #define DMM_SDRC_MAP_EMIF1_ONLY		1
540 #define DMM_SDRC_MAP_EMIF2_ONLY		2
541 #define DMM_SDRC_MAP_EMIF1_AND_EMIF2	3
542 
543 #define DMM_SDRC_INTL_NONE		0
544 #define DMM_SDRC_INTL_128B		1
545 #define DMM_SDRC_INTL_256B		2
546 #define DMM_SDRC_INTL_512		3
547 
548 #define DMM_SDRC_ADDR_SPC_SDRAM		0
549 #define DMM_SDRC_ADDR_SPC_NVM		1
550 #define DMM_SDRC_ADDR_SPC_INVALID	2
551 
552 #define DMM_LISA_MAP_INTERLEAVED_BASE_VAL		(\
553 	(DMM_SDRC_MAP_EMIF1_AND_EMIF2 << EMIF_SDRC_MAP_SHIFT) |\
554 	(DMM_SDRC_ADDR_SPC_SDRAM << EMIF_SDRC_ADDRSPC_SHIFT) |\
555 	(DMM_SDRC_INTL_128B << EMIF_SDRC_INTL_SHIFT) |\
556 	(CONFIG_SYS_SDRAM_BASE << EMIF_SYS_ADDR_SHIFT))
557 
558 #define DMM_LISA_MAP_EMIF1_ONLY_BASE_VAL	(\
559 	(DMM_SDRC_MAP_EMIF1_ONLY << EMIF_SDRC_MAP_SHIFT)|\
560 	(DMM_SDRC_ADDR_SPC_SDRAM << EMIF_SDRC_ADDRSPC_SHIFT)|\
561 	(DMM_SDRC_INTL_NONE << EMIF_SDRC_INTL_SHIFT))
562 
563 #define DMM_LISA_MAP_EMIF2_ONLY_BASE_VAL	(\
564 	(DMM_SDRC_MAP_EMIF2_ONLY << EMIF_SDRC_MAP_SHIFT)|\
565 	(DMM_SDRC_ADDR_SPC_SDRAM << EMIF_SDRC_ADDRSPC_SHIFT)|\
566 	(DMM_SDRC_INTL_NONE << EMIF_SDRC_INTL_SHIFT))
567 
568 /* Trap for invalid TILER PAT entries */
569 #define DMM_LISA_MAP_0_INVAL_ADDR_TRAP		(\
570 	(0  << EMIF_SDRC_ADDR_SHIFT) |\
571 	(DMM_SDRC_MAP_EMIF1_ONLY << EMIF_SDRC_MAP_SHIFT)|\
572 	(DMM_SDRC_ADDR_SPC_INVALID << EMIF_SDRC_ADDRSPC_SHIFT)|\
573 	(DMM_SDRC_INTL_NONE << EMIF_SDRC_INTL_SHIFT)|\
574 	(0xFF << EMIF_SYS_ADDR_SHIFT))
575 
576 #define EMIF_EXT_PHY_CTRL_TIMING_REG	0x5
577 #define EMIF_EXT_PHY_CTRL_CONST_REG	0x13
578 
579 /* Reg mapping structure */
580 struct emif_reg_struct {
581 	u32 emif_mod_id_rev;
582 	u32 emif_status;
583 	u32 emif_sdram_config;
584 	u32 emif_lpddr2_nvm_config;
585 	u32 emif_sdram_ref_ctrl;
586 	u32 emif_sdram_ref_ctrl_shdw;
587 	u32 emif_sdram_tim_1;
588 	u32 emif_sdram_tim_1_shdw;
589 	u32 emif_sdram_tim_2;
590 	u32 emif_sdram_tim_2_shdw;
591 	u32 emif_sdram_tim_3;
592 	u32 emif_sdram_tim_3_shdw;
593 	u32 emif_lpddr2_nvm_tim;
594 	u32 emif_lpddr2_nvm_tim_shdw;
595 	u32 emif_pwr_mgmt_ctrl;
596 	u32 emif_pwr_mgmt_ctrl_shdw;
597 	u32 emif_lpddr2_mode_reg_data;
598 	u32 padding1[1];
599 	u32 emif_lpddr2_mode_reg_data_es2;
600 	u32 padding11[1];
601 	u32 emif_lpddr2_mode_reg_cfg;
602 	u32 emif_l3_config;
603 	u32 emif_l3_cfg_val_1;
604 	u32 emif_l3_cfg_val_2;
605 	u32 emif_iodft_tlgc;
606 	u32 padding2[7];
607 	u32 emif_perf_cnt_1;
608 	u32 emif_perf_cnt_2;
609 	u32 emif_perf_cnt_cfg;
610 	u32 emif_perf_cnt_sel;
611 	u32 emif_perf_cnt_tim;
612 	u32 padding3;
613 	u32 emif_read_idlectrl;
614 	u32 emif_read_idlectrl_shdw;
615 	u32 padding4;
616 	u32 emif_irqstatus_raw_sys;
617 	u32 emif_irqstatus_raw_ll;
618 	u32 emif_irqstatus_sys;
619 	u32 emif_irqstatus_ll;
620 	u32 emif_irqenable_set_sys;
621 	u32 emif_irqenable_set_ll;
622 	u32 emif_irqenable_clr_sys;
623 	u32 emif_irqenable_clr_ll;
624 	u32 padding5;
625 	u32 emif_zq_config;
626 	u32 emif_temp_alert_config;
627 	u32 emif_l3_err_log;
628 	u32 emif_rd_wr_lvl_rmp_win;
629 	u32 emif_rd_wr_lvl_rmp_ctl;
630 	u32 emif_rd_wr_lvl_ctl;
631 	u32 padding6[1];
632 	u32 emif_ddr_phy_ctrl_1;
633 	u32 emif_ddr_phy_ctrl_1_shdw;
634 	u32 emif_ddr_phy_ctrl_2;
635 	u32 padding7[12];
636 	u32 emif_rd_wr_exec_thresh;
637 	u32 padding8[55];
638 	u32 emif_ddr_ext_phy_ctrl_1;
639 	u32 emif_ddr_ext_phy_ctrl_1_shdw;
640 	u32 emif_ddr_ext_phy_ctrl_2;
641 	u32 emif_ddr_ext_phy_ctrl_2_shdw;
642 	u32 emif_ddr_ext_phy_ctrl_3;
643 	u32 emif_ddr_ext_phy_ctrl_3_shdw;
644 	u32 emif_ddr_ext_phy_ctrl_4;
645 	u32 emif_ddr_ext_phy_ctrl_4_shdw;
646 	u32 emif_ddr_ext_phy_ctrl_5;
647 	u32 emif_ddr_ext_phy_ctrl_5_shdw;
648 	u32 emif_ddr_ext_phy_ctrl_6;
649 	u32 emif_ddr_ext_phy_ctrl_6_shdw;
650 	u32 emif_ddr_ext_phy_ctrl_7;
651 	u32 emif_ddr_ext_phy_ctrl_7_shdw;
652 	u32 emif_ddr_ext_phy_ctrl_8;
653 	u32 emif_ddr_ext_phy_ctrl_8_shdw;
654 	u32 emif_ddr_ext_phy_ctrl_9;
655 	u32 emif_ddr_ext_phy_ctrl_9_shdw;
656 	u32 emif_ddr_ext_phy_ctrl_10;
657 	u32 emif_ddr_ext_phy_ctrl_10_shdw;
658 	u32 emif_ddr_ext_phy_ctrl_11;
659 	u32 emif_ddr_ext_phy_ctrl_11_shdw;
660 	u32 emif_ddr_ext_phy_ctrl_12;
661 	u32 emif_ddr_ext_phy_ctrl_12_shdw;
662 	u32 emif_ddr_ext_phy_ctrl_13;
663 	u32 emif_ddr_ext_phy_ctrl_13_shdw;
664 	u32 emif_ddr_ext_phy_ctrl_14;
665 	u32 emif_ddr_ext_phy_ctrl_14_shdw;
666 	u32 emif_ddr_ext_phy_ctrl_15;
667 	u32 emif_ddr_ext_phy_ctrl_15_shdw;
668 	u32 emif_ddr_ext_phy_ctrl_16;
669 	u32 emif_ddr_ext_phy_ctrl_16_shdw;
670 	u32 emif_ddr_ext_phy_ctrl_17;
671 	u32 emif_ddr_ext_phy_ctrl_17_shdw;
672 	u32 emif_ddr_ext_phy_ctrl_18;
673 	u32 emif_ddr_ext_phy_ctrl_18_shdw;
674 	u32 emif_ddr_ext_phy_ctrl_19;
675 	u32 emif_ddr_ext_phy_ctrl_19_shdw;
676 	u32 emif_ddr_ext_phy_ctrl_20;
677 	u32 emif_ddr_ext_phy_ctrl_20_shdw;
678 	u32 emif_ddr_ext_phy_ctrl_21;
679 	u32 emif_ddr_ext_phy_ctrl_21_shdw;
680 	u32 emif_ddr_ext_phy_ctrl_22;
681 	u32 emif_ddr_ext_phy_ctrl_22_shdw;
682 	u32 emif_ddr_ext_phy_ctrl_23;
683 	u32 emif_ddr_ext_phy_ctrl_23_shdw;
684 	u32 emif_ddr_ext_phy_ctrl_24;
685 	u32 emif_ddr_ext_phy_ctrl_24_shdw;
686 };
687 
688 struct dmm_lisa_map_regs {
689 	u32 dmm_lisa_map_0;
690 	u32 dmm_lisa_map_1;
691 	u32 dmm_lisa_map_2;
692 	u32 dmm_lisa_map_3;
693 };
694 
695 extern const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
696 extern const u32 ddr3_ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
697 
698 #define CS0	0
699 #define CS1	1
700 /* The maximum frequency at which the LPDDR2 interface can operate in Hz*/
701 #define MAX_LPDDR2_FREQ	400000000	/* 400 MHz */
702 
703 /*
704  * The period of DDR clk is represented as numerator and denominator for
705  * better accuracy in integer based calculations. However, if the numerator
706  * and denominator are very huge there may be chances of overflow in
707  * calculations. So, as a trade-off keep denominator(and consequently
708  * numerator) within a limit sacrificing some accuracy - but not much
709  * If denominator and numerator are already small (such as at 400 MHz)
710  * no adjustment is needed
711  */
712 #define EMIF_PERIOD_DEN_LIMIT	1000
713 /*
714  * Maximum number of different frequencies supported by EMIF driver
715  * Determines the number of entries in the pointer array for register
716  * cache
717  */
718 #define EMIF_MAX_NUM_FREQUENCIES	6
719 /*
720  * Indices into the Addressing Table array.
721  * One entry each for all the different types of devices with different
722  * addressing schemes
723  */
724 #define ADDR_TABLE_INDEX64M	0
725 #define ADDR_TABLE_INDEX128M	1
726 #define ADDR_TABLE_INDEX256M	2
727 #define ADDR_TABLE_INDEX512M	3
728 #define ADDR_TABLE_INDEX1GS4	4
729 #define ADDR_TABLE_INDEX2GS4	5
730 #define ADDR_TABLE_INDEX4G	6
731 #define ADDR_TABLE_INDEX8G	7
732 #define ADDR_TABLE_INDEX1GS2	8
733 #define ADDR_TABLE_INDEX2GS2	9
734 #define ADDR_TABLE_INDEXMAX	10
735 
736 /* Number of Row bits */
737 #define ROW_9  0
738 #define ROW_10 1
739 #define ROW_11 2
740 #define ROW_12 3
741 #define ROW_13 4
742 #define ROW_14 5
743 #define ROW_15 6
744 #define ROW_16 7
745 
746 /* Number of Column bits */
747 #define COL_8   0
748 #define COL_9   1
749 #define COL_10  2
750 #define COL_11  3
751 #define COL_7   4 /*Not supported by OMAP included for completeness */
752 
753 /* Number of Banks*/
754 #define BANKS1 0
755 #define BANKS2 1
756 #define BANKS4 2
757 #define BANKS8 3
758 
759 /* Refresh rate in micro seconds x 10 */
760 #define T_REFI_15_6	156
761 #define T_REFI_7_8	78
762 #define T_REFI_3_9	39
763 
764 #define EBANK_CS1_DIS	0
765 #define EBANK_CS1_EN	1
766 
767 /* Read Latency used by the device at reset */
768 #define RL_BOOT		3
769 /* Read Latency for the highest frequency you want to use */
770 #ifdef CONFIG_OMAP54XX
771 #define RL_FINAL	8
772 #else
773 #define RL_FINAL	6
774 #endif
775 
776 
777 /* Interleaving policies at EMIF level- between banks and Chip Selects */
778 #define EMIF_INTERLEAVING_POLICY_MAX_INTERLEAVING	0
779 #define EMIF_INTERLEAVING_POLICY_NO_BANK_INTERLEAVING	3
780 
781 /*
782  * Interleaving policy to be used
783  * Currently set to MAX interleaving for better performance
784  */
785 #define EMIF_INTERLEAVING_POLICY EMIF_INTERLEAVING_POLICY_MAX_INTERLEAVING
786 
787 /* State of the core voltage:
788  * This is important for some parameters such as read idle control and
789  * ZQ calibration timings. Timings are much stricter when voltage ramp
790  * is happening compared to when the voltage is stable.
791  * We need to calculate two sets of values for these parameters and use
792  * them accordingly
793  */
794 #define LPDDR2_VOLTAGE_STABLE	0
795 #define LPDDR2_VOLTAGE_RAMPING	1
796 
797 /* Length of the forced read idle period in terms of cycles */
798 #define EMIF_REG_READ_IDLE_LEN_VAL	5
799 
800 /* Interval between forced 'read idles' */
801 /* To be used when voltage is changed for DPS/DVFS - 1us */
802 #define READ_IDLE_INTERVAL_DVFS		(1*1000)
803 /*
804  * To be used when voltage is not scaled except by Smart Reflex
805  * 50us - or maximum value will do
806  */
807 #define READ_IDLE_INTERVAL_NORMAL	(50*1000)
808 
809 
810 /*
811  * Unless voltage is changing due to DVFS one ZQCS command every 50ms should
812  * be enough. This shoule be enough also in the case when voltage is changing
813  * due to smart-reflex.
814  */
815 #define EMIF_ZQCS_INTERVAL_NORMAL_IN_US	(50*1000)
816 /*
817  * If voltage is changing due to DVFS ZQCS should be performed more
818  * often(every 50us)
819  */
820 #define EMIF_ZQCS_INTERVAL_DVFS_IN_US	50
821 
822 /* The interval between ZQCL commands as a multiple of ZQCS interval */
823 #define REG_ZQ_ZQCL_MULT		4
824 /* The interval between ZQINIT commands as a multiple of ZQCL interval */
825 #define REG_ZQ_ZQINIT_MULT		3
826 /* Enable ZQ Calibration on exiting Self-refresh */
827 #define REG_ZQ_SFEXITEN_ENABLE		1
828 /*
829  * ZQ Calibration simultaneously on both chip-selects:
830  * Needs one calibration resistor per CS
831  * None of the boards that we know of have this capability
832  * So disabled by default
833  */
834 #define REG_ZQ_DUALCALEN_DISABLE	0
835 /*
836  * Enable ZQ Calibration by default on CS0. If we are asked to program
837  * the EMIF there will be something connected to CS0 for sure
838  */
839 #define REG_ZQ_CS0EN_ENABLE		1
840 
841 /* EMIF_PWR_MGMT_CTRL register */
842 /* Low power modes */
843 #define LP_MODE_DISABLE		0
844 #define LP_MODE_CLOCK_STOP	1
845 #define LP_MODE_SELF_REFRESH	2
846 #define LP_MODE_PWR_DN		3
847 
848 /* REG_DPD_EN */
849 #define DPD_DISABLE	0
850 #define DPD_ENABLE	1
851 
852 /* Maximum delay before Low Power Modes */
853 #ifndef CONFIG_OMAP54XX
854 #define REG_CS_TIM		0xF
855 #else
856 #define REG_CS_TIM		0x0
857 #endif
858 #define REG_SR_TIM		0xF
859 #define REG_PD_TIM		0xF
860 
861 /* EMIF_PWR_MGMT_CTRL register */
862 #define EMIF_PWR_MGMT_CTRL (\
863 	((REG_CS_TIM << EMIF_REG_CS_TIM_SHIFT) & EMIF_REG_CS_TIM_MASK)|\
864 	((REG_SR_TIM << EMIF_REG_SR_TIM_SHIFT) & EMIF_REG_SR_TIM_MASK)|\
865 	((REG_PD_TIM << EMIF_REG_PD_TIM_SHIFT) & EMIF_REG_PD_TIM_MASK)|\
866 	((REG_PD_TIM << EMIF_REG_PD_TIM_SHIFT) & EMIF_REG_PD_TIM_MASK)|\
867 	((LP_MODE_DISABLE << EMIF_REG_LP_MODE_SHIFT)\
868 			& EMIF_REG_LP_MODE_MASK) |\
869 	((DPD_DISABLE << EMIF_REG_DPD_EN_SHIFT)\
870 			& EMIF_REG_DPD_EN_MASK))\
871 
872 #define EMIF_PWR_MGMT_CTRL_SHDW (\
873 	((REG_CS_TIM << EMIF_REG_CS_TIM_SHDW_SHIFT)\
874 			& EMIF_REG_CS_TIM_SHDW_MASK) |\
875 	((REG_SR_TIM << EMIF_REG_SR_TIM_SHDW_SHIFT)\
876 			& EMIF_REG_SR_TIM_SHDW_MASK) |\
877 	((REG_PD_TIM << EMIF_REG_PD_TIM_SHDW_SHIFT)\
878 			& EMIF_REG_PD_TIM_SHDW_MASK) |\
879 	((REG_PD_TIM << EMIF_REG_PD_TIM_SHDW_SHIFT)\
880 			& EMIF_REG_PD_TIM_SHDW_MASK))
881 
882 /* EMIF_L3_CONFIG register value */
883 #define EMIF_L3_CONFIG_VAL_SYS_10_LL_0	0x0A0000FF
884 #define EMIF_L3_CONFIG_VAL_SYS_10_MPU_3_LL_0	0x0A300000
885 #define EMIF_L3_CONFIG_VAL_SYS_10_MPU_5_LL_0	0x0A500000
886 
887 /*
888  * Value of bits 12:31 of DDR_PHY_CTRL_1 register:
889  * All these fields have magic values dependent on frequency and
890  * determined by PHY and DLL integration with EMIF. Setting the magic
891  * values suggested by hw team.
892  */
893 #define EMIF_DDR_PHY_CTRL_1_BASE_VAL			0x049FF
894 #define EMIF_DLL_SLAVE_DLY_CTRL_400_MHZ			0x41
895 #define EMIF_DLL_SLAVE_DLY_CTRL_200_MHZ			0x80
896 #define EMIF_DLL_SLAVE_DLY_CTRL_100_MHZ_AND_LESS	0xFF
897 
898 /*
899 * MR1 value:
900 * Burst length	: 8
901 * Burst type	: sequential
902 * Wrap		: enabled
903 * nWR		: 3(default). EMIF does not do pre-charge.
904 *		: So nWR is don't care
905 */
906 #define MR1_BL_8_BT_SEQ_WRAP_EN_NWR_3	0x23
907 #define MR1_BL_8_BT_SEQ_WRAP_EN_NWR_8	0xc3
908 
909 /* MR2 */
910 #define MR2_RL3_WL1			1
911 #define MR2_RL4_WL2			2
912 #define MR2_RL5_WL2			3
913 #define MR2_RL6_WL3			4
914 
915 /* MR10: ZQ calibration codes */
916 #define MR10_ZQ_ZQCS		0x56
917 #define MR10_ZQ_ZQCL		0xAB
918 #define MR10_ZQ_ZQINIT		0xFF
919 #define MR10_ZQ_ZQRESET		0xC3
920 
921 /* TEMP_ALERT_CONFIG */
922 #define TEMP_ALERT_POLL_INTERVAL_MS	360 /* for temp gradient - 5 C/s */
923 #define TEMP_ALERT_CONFIG_DEVCT_1	0
924 #define TEMP_ALERT_CONFIG_DEVWDT_32	2
925 
926 /* MR16 value: refresh full array(no partial array self refresh) */
927 #define MR16_REF_FULL_ARRAY	0
928 
929 /*
930  * Maximum number of entries we keep in our array of timing tables
931  * We need not keep all the speed bins supported by the device
932  * We need to keep timing tables for only the speed bins that we
933  * are interested in
934  */
935 #define MAX_NUM_SPEEDBINS	4
936 
937 /* LPDDR2 Densities */
938 #define LPDDR2_DENSITY_64Mb	0
939 #define LPDDR2_DENSITY_128Mb	1
940 #define LPDDR2_DENSITY_256Mb	2
941 #define LPDDR2_DENSITY_512Mb	3
942 #define LPDDR2_DENSITY_1Gb	4
943 #define LPDDR2_DENSITY_2Gb	5
944 #define LPDDR2_DENSITY_4Gb	6
945 #define LPDDR2_DENSITY_8Gb	7
946 #define LPDDR2_DENSITY_16Gb	8
947 #define LPDDR2_DENSITY_32Gb	9
948 
949 /* LPDDR2 type */
950 #define	LPDDR2_TYPE_S4	0
951 #define	LPDDR2_TYPE_S2	1
952 #define	LPDDR2_TYPE_NVM	2
953 
954 /* LPDDR2 IO width */
955 #define	LPDDR2_IO_WIDTH_32	0
956 #define	LPDDR2_IO_WIDTH_16	1
957 #define	LPDDR2_IO_WIDTH_8	2
958 
959 /* Mode register numbers */
960 #define LPDDR2_MR0	0
961 #define LPDDR2_MR1	1
962 #define LPDDR2_MR2	2
963 #define LPDDR2_MR3	3
964 #define LPDDR2_MR4	4
965 #define LPDDR2_MR5	5
966 #define LPDDR2_MR6	6
967 #define LPDDR2_MR7	7
968 #define LPDDR2_MR8	8
969 #define LPDDR2_MR9	9
970 #define LPDDR2_MR10	10
971 #define LPDDR2_MR11	11
972 #define LPDDR2_MR16	16
973 #define LPDDR2_MR17	17
974 #define LPDDR2_MR18	18
975 
976 /* MR0 */
977 #define LPDDR2_MR0_DAI_SHIFT	0
978 #define LPDDR2_MR0_DAI_MASK	1
979 #define LPDDR2_MR0_DI_SHIFT	1
980 #define LPDDR2_MR0_DI_MASK	(1 << 1)
981 #define LPDDR2_MR0_DNVI_SHIFT	2
982 #define LPDDR2_MR0_DNVI_MASK	(1 << 2)
983 
984 /* MR4 */
985 #define MR4_SDRAM_REF_RATE_SHIFT	0
986 #define MR4_SDRAM_REF_RATE_MASK		7
987 #define MR4_TUF_SHIFT			7
988 #define MR4_TUF_MASK			(1 << 7)
989 
990 /* MR4 SDRAM Refresh Rate field values */
991 #define SDRAM_TEMP_LESS_LOW_SHUTDOWN			0x0
992 #define SDRAM_TEMP_LESS_4X_REFRESH_AND_TIMINGS		0x1
993 #define SDRAM_TEMP_LESS_2X_REFRESH_AND_TIMINGS		0x2
994 #define SDRAM_TEMP_NOMINAL				0x3
995 #define SDRAM_TEMP_RESERVED_4				0x4
996 #define SDRAM_TEMP_HIGH_DERATE_REFRESH			0x5
997 #define SDRAM_TEMP_HIGH_DERATE_REFRESH_AND_TIMINGS	0x6
998 #define SDRAM_TEMP_VERY_HIGH_SHUTDOWN			0x7
999 
1000 #define LPDDR2_MANUFACTURER_SAMSUNG	1
1001 #define LPDDR2_MANUFACTURER_QIMONDA	2
1002 #define LPDDR2_MANUFACTURER_ELPIDA	3
1003 #define LPDDR2_MANUFACTURER_ETRON	4
1004 #define LPDDR2_MANUFACTURER_NANYA	5
1005 #define LPDDR2_MANUFACTURER_HYNIX	6
1006 #define LPDDR2_MANUFACTURER_MOSEL	7
1007 #define LPDDR2_MANUFACTURER_WINBOND	8
1008 #define LPDDR2_MANUFACTURER_ESMT	9
1009 #define LPDDR2_MANUFACTURER_SPANSION 11
1010 #define LPDDR2_MANUFACTURER_SST		12
1011 #define LPDDR2_MANUFACTURER_ZMOS	13
1012 #define LPDDR2_MANUFACTURER_INTEL	14
1013 #define LPDDR2_MANUFACTURER_NUMONYX	254
1014 #define LPDDR2_MANUFACTURER_MICRON	255
1015 
1016 /* MR8 register fields */
1017 #define MR8_TYPE_SHIFT		0x0
1018 #define MR8_TYPE_MASK		0x3
1019 #define MR8_DENSITY_SHIFT	0x2
1020 #define MR8_DENSITY_MASK	(0xF << 0x2)
1021 #define MR8_IO_WIDTH_SHIFT	0x6
1022 #define MR8_IO_WIDTH_MASK	(0x3 << 0x6)
1023 
1024 struct lpddr2_addressing {
1025 	u8	num_banks;
1026 	u8	t_REFI_us_x10;
1027 	u8	row_sz[2]; /* One entry each for x32 and x16 */
1028 	u8	col_sz[2]; /* One entry each for x32 and x16 */
1029 };
1030 
1031 /* Structure for timings from the DDR datasheet */
1032 struct lpddr2_ac_timings {
1033 	u32 max_freq;
1034 	u8 RL;
1035 	u8 tRPab;
1036 	u8 tRCD;
1037 	u8 tWR;
1038 	u8 tRASmin;
1039 	u8 tRRD;
1040 	u8 tWTRx2;
1041 	u8 tXSR;
1042 	u8 tXPx2;
1043 	u8 tRFCab;
1044 	u8 tRTPx2;
1045 	u8 tCKE;
1046 	u8 tCKESR;
1047 	u8 tZQCS;
1048 	u32 tZQCL;
1049 	u32 tZQINIT;
1050 	u8 tDQSCKMAXx2;
1051 	u8 tRASmax;
1052 	u8 tFAW;
1053 
1054 };
1055 
1056 /*
1057  * Min tCK values for some of the parameters:
1058  * If the calculated clock cycles for the respective parameter is
1059  * less than the corresponding min tCK value, we need to set the min
1060  * tCK value. This may happen at lower frequencies.
1061  */
1062 struct lpddr2_min_tck {
1063 	u32 tRL;
1064 	u32 tRP_AB;
1065 	u32 tRCD;
1066 	u32 tWR;
1067 	u32 tRAS_MIN;
1068 	u32 tRRD;
1069 	u32 tWTR;
1070 	u32 tXP;
1071 	u32 tRTP;
1072 	u8  tCKE;
1073 	u32 tCKESR;
1074 	u32 tFAW;
1075 };
1076 
1077 struct lpddr2_device_details {
1078 	u8	type;
1079 	u8	density;
1080 	u8	io_width;
1081 	u8	manufacturer;
1082 };
1083 
1084 struct lpddr2_device_timings {
1085 	const struct lpddr2_ac_timings **ac_timings;
1086 	const struct lpddr2_min_tck *min_tck;
1087 };
1088 
1089 /* Details of the devices connected to each chip-select of an EMIF instance */
1090 struct emif_device_details {
1091 	const struct lpddr2_device_details *cs0_device_details;
1092 	const struct lpddr2_device_details *cs1_device_details;
1093 	const struct lpddr2_device_timings *cs0_device_timings;
1094 	const struct lpddr2_device_timings *cs1_device_timings;
1095 };
1096 
1097 /*
1098  * Structure containing shadow of important registers in EMIF
1099  * The calculation function fills in this structure to be later used for
1100  * initialization and DVFS
1101  */
1102 struct emif_regs {
1103 	u32 freq;
1104 	u32 sdram_config_init;
1105 	u32 sdram_config;
1106 	u32 ref_ctrl;
1107 	u32 sdram_tim1;
1108 	u32 sdram_tim2;
1109 	u32 sdram_tim3;
1110 	u32 read_idle_ctrl;
1111 	u32 zq_config;
1112 	u32 temp_alert_config;
1113 	u32 emif_ddr_phy_ctlr_1_init;
1114 	u32 emif_ddr_phy_ctlr_1;
1115 	u32 emif_ddr_ext_phy_ctrl_1;
1116 	u32 emif_ddr_ext_phy_ctrl_2;
1117 	u32 emif_ddr_ext_phy_ctrl_3;
1118 	u32 emif_ddr_ext_phy_ctrl_4;
1119 	u32 emif_ddr_ext_phy_ctrl_5;
1120 	u32 emif_rd_wr_lvl_rmp_win;
1121 	u32 emif_rd_wr_lvl_rmp_ctl;
1122 	u32 emif_rd_wr_lvl_ctl;
1123 	u32 emif_rd_wr_exec_thresh;
1124 };
1125 
1126 /* assert macros */
1127 #if defined(DEBUG)
1128 #define emif_assert(c)	({ if (!(c)) for (;;); })
1129 #else
1130 #define emif_assert(c)	({ if (0) hang(); })
1131 #endif
1132 
1133 #ifdef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
1134 void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs);
1135 void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs);
1136 #else
1137 struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs,
1138 			struct lpddr2_device_details *lpddr2_dev_details);
1139 void emif_get_device_timings(u32 emif_nr,
1140 		const struct lpddr2_device_timings **cs0_device_timings,
1141 		const struct lpddr2_device_timings **cs1_device_timings);
1142 #endif
1143 
1144 #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
1145 extern u32 *const T_num;
1146 extern u32 *const T_den;
1147 extern u32 *const emif_sizes;
1148 #endif
1149 
1150 void config_data_eye_leveling_samples(u32 emif_base);
1151 #endif
1152