xref: /openbmc/u-boot/arch/arm/include/asm/emif.h (revision 68fbc0e6)
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, masks and values */
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_SDRAM_TYPE_DDR1			0
50 #define EMIF_REG_SDRAM_TYPE_LPDDR1			1
51 #define EMIF_REG_SDRAM_TYPE_DDR2			2
52 #define EMIF_REG_SDRAM_TYPE_DDR3			3
53 #define EMIF_REG_SDRAM_TYPE_LPDDR2_S4			4
54 #define EMIF_REG_SDRAM_TYPE_LPDDR2_S2			5
55 #define EMIF_REG_IBANK_POS_SHIFT			27
56 #define EMIF_REG_IBANK_POS_MASK			(0x3 << 27)
57 #define EMIF_REG_DDR_TERM_SHIFT			24
58 #define EMIF_REG_DDR_TERM_MASK			(0x7 << 24)
59 #define EMIF_REG_DDR2_DDQS_SHIFT			23
60 #define EMIF_REG_DDR2_DDQS_MASK			(1 << 23)
61 #define EMIF_REG_DYN_ODT_SHIFT			21
62 #define EMIF_REG_DYN_ODT_MASK			(0x3 << 21)
63 #define EMIF_REG_DDR_DISABLE_DLL_SHIFT		20
64 #define EMIF_REG_DDR_DISABLE_DLL_MASK		(1 << 20)
65 #define EMIF_REG_SDRAM_DRIVE_SHIFT			18
66 #define EMIF_REG_SDRAM_DRIVE_MASK			(0x3 << 18)
67 #define EMIF_REG_CWL_SHIFT				16
68 #define EMIF_REG_CWL_MASK				(0x3 << 16)
69 #define EMIF_REG_NARROW_MODE_SHIFT			14
70 #define EMIF_REG_NARROW_MODE_MASK			(0x3 << 14)
71 #define EMIF_REG_CL_SHIFT				10
72 #define EMIF_REG_CL_MASK				(0xf << 10)
73 #define EMIF_REG_ROWSIZE_SHIFT			7
74 #define EMIF_REG_ROWSIZE_MASK			(0x7 << 7)
75 #define EMIF_REG_IBANK_SHIFT			4
76 #define EMIF_REG_IBANK_MASK				(0x7 << 4)
77 #define EMIF_REG_EBANK_SHIFT			3
78 #define EMIF_REG_EBANK_MASK				(1 << 3)
79 #define EMIF_REG_PAGESIZE_SHIFT			0
80 #define EMIF_REG_PAGESIZE_MASK			(0x7 << 0)
81 
82 /* SDRAM_CONFIG_2 */
83 #define EMIF_REG_CS1NVMEN_SHIFT			30
84 #define EMIF_REG_CS1NVMEN_MASK			(1 << 30)
85 #define EMIF_REG_EBANK_POS_SHIFT			27
86 #define EMIF_REG_EBANK_POS_MASK			(1 << 27)
87 #define EMIF_REG_RDBNUM_SHIFT			4
88 #define EMIF_REG_RDBNUM_MASK			(0x3 << 4)
89 #define EMIF_REG_RDBSIZE_SHIFT			0
90 #define EMIF_REG_RDBSIZE_MASK			(0x7 << 0)
91 
92 /* SDRAM_REF_CTRL */
93 #define EMIF_REG_INITREF_DIS_SHIFT			31
94 #define EMIF_REG_INITREF_DIS_MASK			(1 << 31)
95 #define EMIF_REG_SRT_SHIFT				29
96 #define EMIF_REG_SRT_MASK				(1 << 29)
97 #define EMIF_REG_ASR_SHIFT				28
98 #define EMIF_REG_ASR_MASK				(1 << 28)
99 #define EMIF_REG_PASR_SHIFT				24
100 #define EMIF_REG_PASR_MASK				(0x7 << 24)
101 #define EMIF_REG_REFRESH_RATE_SHIFT			0
102 #define EMIF_REG_REFRESH_RATE_MASK			(0xffff << 0)
103 
104 /* SDRAM_REF_CTRL_SHDW */
105 #define EMIF_REG_REFRESH_RATE_SHDW_SHIFT		0
106 #define EMIF_REG_REFRESH_RATE_SHDW_MASK		(0xffff << 0)
107 
108 /* SDRAM_TIM_1 */
109 #define EMIF_REG_T_RP_SHIFT				25
110 #define EMIF_REG_T_RP_MASK				(0xf << 25)
111 #define EMIF_REG_T_RCD_SHIFT			21
112 #define EMIF_REG_T_RCD_MASK				(0xf << 21)
113 #define EMIF_REG_T_WR_SHIFT				17
114 #define EMIF_REG_T_WR_MASK				(0xf << 17)
115 #define EMIF_REG_T_RAS_SHIFT			12
116 #define EMIF_REG_T_RAS_MASK				(0x1f << 12)
117 #define EMIF_REG_T_RC_SHIFT				6
118 #define EMIF_REG_T_RC_MASK				(0x3f << 6)
119 #define EMIF_REG_T_RRD_SHIFT			3
120 #define EMIF_REG_T_RRD_MASK				(0x7 << 3)
121 #define EMIF_REG_T_WTR_SHIFT			0
122 #define EMIF_REG_T_WTR_MASK				(0x7 << 0)
123 
124 /* SDRAM_TIM_1_SHDW */
125 #define EMIF_REG_T_RP_SHDW_SHIFT			25
126 #define EMIF_REG_T_RP_SHDW_MASK			(0xf << 25)
127 #define EMIF_REG_T_RCD_SHDW_SHIFT			21
128 #define EMIF_REG_T_RCD_SHDW_MASK			(0xf << 21)
129 #define EMIF_REG_T_WR_SHDW_SHIFT			17
130 #define EMIF_REG_T_WR_SHDW_MASK			(0xf << 17)
131 #define EMIF_REG_T_RAS_SHDW_SHIFT			12
132 #define EMIF_REG_T_RAS_SHDW_MASK			(0x1f << 12)
133 #define EMIF_REG_T_RC_SHDW_SHIFT			6
134 #define EMIF_REG_T_RC_SHDW_MASK			(0x3f << 6)
135 #define EMIF_REG_T_RRD_SHDW_SHIFT			3
136 #define EMIF_REG_T_RRD_SHDW_MASK			(0x7 << 3)
137 #define EMIF_REG_T_WTR_SHDW_SHIFT			0
138 #define EMIF_REG_T_WTR_SHDW_MASK			(0x7 << 0)
139 
140 /* SDRAM_TIM_2 */
141 #define EMIF_REG_T_XP_SHIFT				28
142 #define EMIF_REG_T_XP_MASK				(0x7 << 28)
143 #define EMIF_REG_T_ODT_SHIFT			25
144 #define EMIF_REG_T_ODT_MASK				(0x7 << 25)
145 #define EMIF_REG_T_XSNR_SHIFT			16
146 #define EMIF_REG_T_XSNR_MASK			(0x1ff << 16)
147 #define EMIF_REG_T_XSRD_SHIFT			6
148 #define EMIF_REG_T_XSRD_MASK			(0x3ff << 6)
149 #define EMIF_REG_T_RTP_SHIFT			3
150 #define EMIF_REG_T_RTP_MASK				(0x7 << 3)
151 #define EMIF_REG_T_CKE_SHIFT			0
152 #define EMIF_REG_T_CKE_MASK				(0x7 << 0)
153 
154 /* SDRAM_TIM_2_SHDW */
155 #define EMIF_REG_T_XP_SHDW_SHIFT			28
156 #define EMIF_REG_T_XP_SHDW_MASK			(0x7 << 28)
157 #define EMIF_REG_T_ODT_SHDW_SHIFT			25
158 #define EMIF_REG_T_ODT_SHDW_MASK			(0x7 << 25)
159 #define EMIF_REG_T_XSNR_SHDW_SHIFT			16
160 #define EMIF_REG_T_XSNR_SHDW_MASK			(0x1ff << 16)
161 #define EMIF_REG_T_XSRD_SHDW_SHIFT			6
162 #define EMIF_REG_T_XSRD_SHDW_MASK			(0x3ff << 6)
163 #define EMIF_REG_T_RTP_SHDW_SHIFT			3
164 #define EMIF_REG_T_RTP_SHDW_MASK			(0x7 << 3)
165 #define EMIF_REG_T_CKE_SHDW_SHIFT			0
166 #define EMIF_REG_T_CKE_SHDW_MASK			(0x7 << 0)
167 
168 /* SDRAM_TIM_3 */
169 #define EMIF_REG_T_CKESR_SHIFT			21
170 #define EMIF_REG_T_CKESR_MASK			(0x7 << 21)
171 #define EMIF_REG_ZQ_ZQCS_SHIFT			15
172 #define EMIF_REG_ZQ_ZQCS_MASK			(0x3f << 15)
173 #define EMIF_REG_T_TDQSCKMAX_SHIFT			13
174 #define EMIF_REG_T_TDQSCKMAX_MASK			(0x3 << 13)
175 #define EMIF_REG_T_RFC_SHIFT			4
176 #define EMIF_REG_T_RFC_MASK				(0x1ff << 4)
177 #define EMIF_REG_T_RAS_MAX_SHIFT			0
178 #define EMIF_REG_T_RAS_MAX_MASK			(0xf << 0)
179 
180 /* SDRAM_TIM_3_SHDW */
181 #define EMIF_REG_T_CKESR_SHDW_SHIFT			21
182 #define EMIF_REG_T_CKESR_SHDW_MASK			(0x7 << 21)
183 #define EMIF_REG_ZQ_ZQCS_SHDW_SHIFT			15
184 #define EMIF_REG_ZQ_ZQCS_SHDW_MASK			(0x3f << 15)
185 #define EMIF_REG_T_TDQSCKMAX_SHDW_SHIFT		13
186 #define EMIF_REG_T_TDQSCKMAX_SHDW_MASK		(0x3 << 13)
187 #define EMIF_REG_T_RFC_SHDW_SHIFT			4
188 #define EMIF_REG_T_RFC_SHDW_MASK			(0x1ff << 4)
189 #define EMIF_REG_T_RAS_MAX_SHDW_SHIFT		0
190 #define EMIF_REG_T_RAS_MAX_SHDW_MASK		(0xf << 0)
191 
192 /* LPDDR2_NVM_TIM */
193 #define EMIF_REG_NVM_T_XP_SHIFT			28
194 #define EMIF_REG_NVM_T_XP_MASK			(0x7 << 28)
195 #define EMIF_REG_NVM_T_WTR_SHIFT			24
196 #define EMIF_REG_NVM_T_WTR_MASK			(0x7 << 24)
197 #define EMIF_REG_NVM_T_RP_SHIFT			20
198 #define EMIF_REG_NVM_T_RP_MASK			(0xf << 20)
199 #define EMIF_REG_NVM_T_WRA_SHIFT			16
200 #define EMIF_REG_NVM_T_WRA_MASK			(0xf << 16)
201 #define EMIF_REG_NVM_T_RRD_SHIFT			8
202 #define EMIF_REG_NVM_T_RRD_MASK			(0xff << 8)
203 #define EMIF_REG_NVM_T_RCDMIN_SHIFT			0
204 #define EMIF_REG_NVM_T_RCDMIN_MASK			(0xff << 0)
205 
206 /* LPDDR2_NVM_TIM_SHDW */
207 #define EMIF_REG_NVM_T_XP_SHDW_SHIFT		28
208 #define EMIF_REG_NVM_T_XP_SHDW_MASK			(0x7 << 28)
209 #define EMIF_REG_NVM_T_WTR_SHDW_SHIFT		24
210 #define EMIF_REG_NVM_T_WTR_SHDW_MASK		(0x7 << 24)
211 #define EMIF_REG_NVM_T_RP_SHDW_SHIFT		20
212 #define EMIF_REG_NVM_T_RP_SHDW_MASK			(0xf << 20)
213 #define EMIF_REG_NVM_T_WRA_SHDW_SHIFT		16
214 #define EMIF_REG_NVM_T_WRA_SHDW_MASK		(0xf << 16)
215 #define EMIF_REG_NVM_T_RRD_SHDW_SHIFT		8
216 #define EMIF_REG_NVM_T_RRD_SHDW_MASK		(0xff << 8)
217 #define EMIF_REG_NVM_T_RCDMIN_SHDW_SHIFT		0
218 #define EMIF_REG_NVM_T_RCDMIN_SHDW_MASK		(0xff << 0)
219 
220 /* PWR_MGMT_CTRL */
221 #define EMIF_REG_IDLEMODE_SHIFT			30
222 #define EMIF_REG_IDLEMODE_MASK			(0x3 << 30)
223 #define EMIF_REG_PD_TIM_SHIFT			12
224 #define EMIF_REG_PD_TIM_MASK			(0xf << 12)
225 #define EMIF_REG_DPD_EN_SHIFT			11
226 #define EMIF_REG_DPD_EN_MASK			(1 << 11)
227 #define EMIF_REG_LP_MODE_SHIFT			8
228 #define EMIF_REG_LP_MODE_MASK			(0x7 << 8)
229 #define EMIF_REG_SR_TIM_SHIFT			4
230 #define EMIF_REG_SR_TIM_MASK			(0xf << 4)
231 #define EMIF_REG_CS_TIM_SHIFT			0
232 #define EMIF_REG_CS_TIM_MASK			(0xf << 0)
233 
234 /* PWR_MGMT_CTRL_SHDW */
235 #define EMIF_REG_PD_TIM_SHDW_SHIFT			12
236 #define EMIF_REG_PD_TIM_SHDW_MASK			(0xf << 12)
237 #define EMIF_REG_SR_TIM_SHDW_SHIFT			4
238 #define EMIF_REG_SR_TIM_SHDW_MASK			(0xf << 4)
239 #define EMIF_REG_CS_TIM_SHDW_SHIFT			0
240 #define EMIF_REG_CS_TIM_SHDW_MASK			(0xf << 0)
241 
242 /* LPDDR2_MODE_REG_DATA */
243 #define EMIF_REG_VALUE_0_SHIFT			0
244 #define EMIF_REG_VALUE_0_MASK			(0x7f << 0)
245 
246 /* LPDDR2_MODE_REG_CFG */
247 #define EMIF_REG_CS_SHIFT				31
248 #define EMIF_REG_CS_MASK				(1 << 31)
249 #define EMIF_REG_REFRESH_EN_SHIFT			30
250 #define EMIF_REG_REFRESH_EN_MASK			(1 << 30)
251 #define EMIF_REG_ADDRESS_SHIFT			0
252 #define EMIF_REG_ADDRESS_MASK			(0xff << 0)
253 
254 /* OCP_CONFIG */
255 #define EMIF_REG_SYS_THRESH_MAX_SHIFT		24
256 #define EMIF_REG_SYS_THRESH_MAX_MASK		(0xf << 24)
257 #define EMIF_REG_MPU_THRESH_MAX_SHIFT		20
258 #define EMIF_REG_MPU_THRESH_MAX_MASK		(0xf << 20)
259 #define EMIF_REG_LL_THRESH_MAX_SHIFT		16
260 #define EMIF_REG_LL_THRESH_MAX_MASK			(0xf << 16)
261 #define EMIF_REG_PR_OLD_COUNT_SHIFT			0
262 #define EMIF_REG_PR_OLD_COUNT_MASK			(0xff << 0)
263 
264 /* OCP_CFG_VAL_1 */
265 #define EMIF_REG_SYS_BUS_WIDTH_SHIFT		30
266 #define EMIF_REG_SYS_BUS_WIDTH_MASK			(0x3 << 30)
267 #define EMIF_REG_LL_BUS_WIDTH_SHIFT			28
268 #define EMIF_REG_LL_BUS_WIDTH_MASK			(0x3 << 28)
269 #define EMIF_REG_WR_FIFO_DEPTH_SHIFT		8
270 #define EMIF_REG_WR_FIFO_DEPTH_MASK			(0xff << 8)
271 #define EMIF_REG_CMD_FIFO_DEPTH_SHIFT		0
272 #define EMIF_REG_CMD_FIFO_DEPTH_MASK		(0xff << 0)
273 
274 /* OCP_CFG_VAL_2 */
275 #define EMIF_REG_RREG_FIFO_DEPTH_SHIFT		16
276 #define EMIF_REG_RREG_FIFO_DEPTH_MASK		(0xff << 16)
277 #define EMIF_REG_RSD_FIFO_DEPTH_SHIFT		8
278 #define EMIF_REG_RSD_FIFO_DEPTH_MASK		(0xff << 8)
279 #define EMIF_REG_RCMD_FIFO_DEPTH_SHIFT		0
280 #define EMIF_REG_RCMD_FIFO_DEPTH_MASK		(0xff << 0)
281 
282 /* IODFT_TLGC */
283 #define EMIF_REG_TLEC_SHIFT				16
284 #define EMIF_REG_TLEC_MASK				(0xffff << 16)
285 #define EMIF_REG_MT_SHIFT				14
286 #define EMIF_REG_MT_MASK				(1 << 14)
287 #define EMIF_REG_ACT_CAP_EN_SHIFT			13
288 #define EMIF_REG_ACT_CAP_EN_MASK			(1 << 13)
289 #define EMIF_REG_OPG_LD_SHIFT			12
290 #define EMIF_REG_OPG_LD_MASK			(1 << 12)
291 #define EMIF_REG_RESET_PHY_SHIFT			10
292 #define EMIF_REG_RESET_PHY_MASK			(1 << 10)
293 #define EMIF_REG_MMS_SHIFT				8
294 #define EMIF_REG_MMS_MASK				(1 << 8)
295 #define EMIF_REG_MC_SHIFT				4
296 #define EMIF_REG_MC_MASK				(0x3 << 4)
297 #define EMIF_REG_PC_SHIFT				1
298 #define EMIF_REG_PC_MASK				(0x7 << 1)
299 #define EMIF_REG_TM_SHIFT				0
300 #define EMIF_REG_TM_MASK				(1 << 0)
301 
302 /* IODFT_CTRL_MISR_RSLT */
303 #define EMIF_REG_DQM_TLMR_SHIFT			16
304 #define EMIF_REG_DQM_TLMR_MASK			(0x3ff << 16)
305 #define EMIF_REG_CTL_TLMR_SHIFT			0
306 #define EMIF_REG_CTL_TLMR_MASK			(0x7ff << 0)
307 
308 /* IODFT_ADDR_MISR_RSLT */
309 #define EMIF_REG_ADDR_TLMR_SHIFT			0
310 #define EMIF_REG_ADDR_TLMR_MASK			(0x1fffff << 0)
311 
312 /* IODFT_DATA_MISR_RSLT_1 */
313 #define EMIF_REG_DATA_TLMR_31_0_SHIFT		0
314 #define EMIF_REG_DATA_TLMR_31_0_MASK		(0xffffffff << 0)
315 
316 /* IODFT_DATA_MISR_RSLT_2 */
317 #define EMIF_REG_DATA_TLMR_63_32_SHIFT		0
318 #define EMIF_REG_DATA_TLMR_63_32_MASK		(0xffffffff << 0)
319 
320 /* IODFT_DATA_MISR_RSLT_3 */
321 #define EMIF_REG_DATA_TLMR_66_64_SHIFT		0
322 #define EMIF_REG_DATA_TLMR_66_64_MASK		(0x7 << 0)
323 
324 /* PERF_CNT_1 */
325 #define EMIF_REG_COUNTER1_SHIFT			0
326 #define EMIF_REG_COUNTER1_MASK			(0xffffffff << 0)
327 
328 /* PERF_CNT_2 */
329 #define EMIF_REG_COUNTER2_SHIFT			0
330 #define EMIF_REG_COUNTER2_MASK			(0xffffffff << 0)
331 
332 /* PERF_CNT_CFG */
333 #define EMIF_REG_CNTR2_MCONNID_EN_SHIFT		31
334 #define EMIF_REG_CNTR2_MCONNID_EN_MASK		(1 << 31)
335 #define EMIF_REG_CNTR2_REGION_EN_SHIFT		30
336 #define EMIF_REG_CNTR2_REGION_EN_MASK		(1 << 30)
337 #define EMIF_REG_CNTR2_CFG_SHIFT			16
338 #define EMIF_REG_CNTR2_CFG_MASK			(0xf << 16)
339 #define EMIF_REG_CNTR1_MCONNID_EN_SHIFT		15
340 #define EMIF_REG_CNTR1_MCONNID_EN_MASK		(1 << 15)
341 #define EMIF_REG_CNTR1_REGION_EN_SHIFT		14
342 #define EMIF_REG_CNTR1_REGION_EN_MASK		(1 << 14)
343 #define EMIF_REG_CNTR1_CFG_SHIFT			0
344 #define EMIF_REG_CNTR1_CFG_MASK			(0xf << 0)
345 
346 /* PERF_CNT_SEL */
347 #define EMIF_REG_MCONNID2_SHIFT			24
348 #define EMIF_REG_MCONNID2_MASK			(0xff << 24)
349 #define EMIF_REG_REGION_SEL2_SHIFT			16
350 #define EMIF_REG_REGION_SEL2_MASK			(0x3 << 16)
351 #define EMIF_REG_MCONNID1_SHIFT			8
352 #define EMIF_REG_MCONNID1_MASK			(0xff << 8)
353 #define EMIF_REG_REGION_SEL1_SHIFT			0
354 #define EMIF_REG_REGION_SEL1_MASK			(0x3 << 0)
355 
356 /* PERF_CNT_TIM */
357 #define EMIF_REG_TOTAL_TIME_SHIFT			0
358 #define EMIF_REG_TOTAL_TIME_MASK			(0xffffffff << 0)
359 
360 /* READ_IDLE_CTRL */
361 #define EMIF_REG_READ_IDLE_LEN_SHIFT		16
362 #define EMIF_REG_READ_IDLE_LEN_MASK			(0xf << 16)
363 #define EMIF_REG_READ_IDLE_INTERVAL_SHIFT		0
364 #define EMIF_REG_READ_IDLE_INTERVAL_MASK		(0x1ff << 0)
365 
366 /* READ_IDLE_CTRL_SHDW */
367 #define EMIF_REG_READ_IDLE_LEN_SHDW_SHIFT		16
368 #define EMIF_REG_READ_IDLE_LEN_SHDW_MASK		(0xf << 16)
369 #define EMIF_REG_READ_IDLE_INTERVAL_SHDW_SHIFT	0
370 #define EMIF_REG_READ_IDLE_INTERVAL_SHDW_MASK	(0x1ff << 0)
371 
372 /* IRQ_EOI */
373 #define EMIF_REG_EOI_SHIFT				0
374 #define EMIF_REG_EOI_MASK				(1 << 0)
375 
376 /* IRQSTATUS_RAW_SYS */
377 #define EMIF_REG_DNV_SYS_SHIFT			2
378 #define EMIF_REG_DNV_SYS_MASK			(1 << 2)
379 #define EMIF_REG_TA_SYS_SHIFT			1
380 #define EMIF_REG_TA_SYS_MASK			(1 << 1)
381 #define EMIF_REG_ERR_SYS_SHIFT			0
382 #define EMIF_REG_ERR_SYS_MASK			(1 << 0)
383 
384 /* IRQSTATUS_RAW_LL */
385 #define EMIF_REG_DNV_LL_SHIFT			2
386 #define EMIF_REG_DNV_LL_MASK			(1 << 2)
387 #define EMIF_REG_TA_LL_SHIFT			1
388 #define EMIF_REG_TA_LL_MASK				(1 << 1)
389 #define EMIF_REG_ERR_LL_SHIFT			0
390 #define EMIF_REG_ERR_LL_MASK			(1 << 0)
391 
392 /* IRQSTATUS_SYS */
393 
394 /* IRQSTATUS_LL */
395 
396 /* IRQENABLE_SET_SYS */
397 #define EMIF_REG_EN_DNV_SYS_SHIFT			2
398 #define EMIF_REG_EN_DNV_SYS_MASK			(1 << 2)
399 #define EMIF_REG_EN_TA_SYS_SHIFT			1
400 #define EMIF_REG_EN_TA_SYS_MASK			(1 << 1)
401 #define EMIF_REG_EN_ERR_SYS_SHIFT			0
402 #define EMIF_REG_EN_ERR_SYS_MASK			(1 << 0)
403 
404 /* IRQENABLE_SET_LL */
405 #define EMIF_REG_EN_DNV_LL_SHIFT			2
406 #define EMIF_REG_EN_DNV_LL_MASK			(1 << 2)
407 #define EMIF_REG_EN_TA_LL_SHIFT			1
408 #define EMIF_REG_EN_TA_LL_MASK			(1 << 1)
409 #define EMIF_REG_EN_ERR_LL_SHIFT			0
410 #define EMIF_REG_EN_ERR_LL_MASK			(1 << 0)
411 
412 /* IRQENABLE_CLR_SYS */
413 
414 /* IRQENABLE_CLR_LL */
415 
416 /* ZQ_CONFIG */
417 #define EMIF_REG_ZQ_CS1EN_SHIFT			31
418 #define EMIF_REG_ZQ_CS1EN_MASK			(1 << 31)
419 #define EMIF_REG_ZQ_CS0EN_SHIFT			30
420 #define EMIF_REG_ZQ_CS0EN_MASK			(1 << 30)
421 #define EMIF_REG_ZQ_DUALCALEN_SHIFT			29
422 #define EMIF_REG_ZQ_DUALCALEN_MASK			(1 << 29)
423 #define EMIF_REG_ZQ_SFEXITEN_SHIFT			28
424 #define EMIF_REG_ZQ_SFEXITEN_MASK			(1 << 28)
425 #define EMIF_REG_ZQ_ZQINIT_MULT_SHIFT		18
426 #define EMIF_REG_ZQ_ZQINIT_MULT_MASK		(0x3 << 18)
427 #define EMIF_REG_ZQ_ZQCL_MULT_SHIFT			16
428 #define EMIF_REG_ZQ_ZQCL_MULT_MASK			(0x3 << 16)
429 #define EMIF_REG_ZQ_REFINTERVAL_SHIFT		0
430 #define EMIF_REG_ZQ_REFINTERVAL_MASK		(0xffff << 0)
431 
432 /* TEMP_ALERT_CONFIG */
433 #define EMIF_REG_TA_CS1EN_SHIFT			31
434 #define EMIF_REG_TA_CS1EN_MASK			(1 << 31)
435 #define EMIF_REG_TA_CS0EN_SHIFT			30
436 #define EMIF_REG_TA_CS0EN_MASK			(1 << 30)
437 #define EMIF_REG_TA_SFEXITEN_SHIFT			28
438 #define EMIF_REG_TA_SFEXITEN_MASK			(1 << 28)
439 #define EMIF_REG_TA_DEVWDT_SHIFT			26
440 #define EMIF_REG_TA_DEVWDT_MASK			(0x3 << 26)
441 #define EMIF_REG_TA_DEVCNT_SHIFT			24
442 #define EMIF_REG_TA_DEVCNT_MASK			(0x3 << 24)
443 #define EMIF_REG_TA_REFINTERVAL_SHIFT		0
444 #define EMIF_REG_TA_REFINTERVAL_MASK		(0x3fffff << 0)
445 
446 /* OCP_ERR_LOG */
447 #define EMIF_REG_MADDRSPACE_SHIFT			14
448 #define EMIF_REG_MADDRSPACE_MASK			(0x3 << 14)
449 #define EMIF_REG_MBURSTSEQ_SHIFT			11
450 #define EMIF_REG_MBURSTSEQ_MASK			(0x7 << 11)
451 #define EMIF_REG_MCMD_SHIFT				8
452 #define EMIF_REG_MCMD_MASK				(0x7 << 8)
453 #define EMIF_REG_MCONNID_SHIFT			0
454 #define EMIF_REG_MCONNID_MASK			(0xff << 0)
455 
456 /* DDR_PHY_CTRL_1 */
457 #define EMIF_REG_DDR_PHY_CTRL_1_SHIFT		4
458 #define EMIF_REG_DDR_PHY_CTRL_1_MASK		(0xfffffff << 4)
459 #define EMIF_REG_READ_LATENCY_SHIFT			0
460 #define EMIF_REG_READ_LATENCY_MASK			(0xf << 0)
461 #define EMIF_REG_DLL_SLAVE_DLY_CTRL_SHIFT		4
462 #define EMIF_REG_DLL_SLAVE_DLY_CTRL_MASK		(0xFF << 4)
463 #define EMIF_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHIFT	12
464 #define EMIF_EMIF_DDR_PHY_CTRL_1_BASE_VAL_MASK	(0xFFFFF << 12)
465 
466 /* DDR_PHY_CTRL_1_SHDW */
467 #define EMIF_REG_DDR_PHY_CTRL_1_SHDW_SHIFT		4
468 #define EMIF_REG_DDR_PHY_CTRL_1_SHDW_MASK		(0xfffffff << 4)
469 #define EMIF_REG_READ_LATENCY_SHDW_SHIFT		0
470 #define EMIF_REG_READ_LATENCY_SHDW_MASK		(0xf << 0)
471 #define EMIF_REG_DLL_SLAVE_DLY_CTRL_SHDW_SHIFT	4
472 #define EMIF_REG_DLL_SLAVE_DLY_CTRL_SHDW_MASK	(0xFF << 4)
473 #define EMIF_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHDW_SHIFT 12
474 #define EMIF_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHDW_MASK	(0xFFFFF << 12)
475 
476 /* DDR_PHY_CTRL_2 */
477 #define EMIF_REG_DDR_PHY_CTRL_2_SHIFT		0
478 #define EMIF_REG_DDR_PHY_CTRL_2_MASK		(0xffffffff << 0)
479 
480 /*EMIF_READ_WRITE_LEVELING_CONTROL*/
481 #define EMIF_REG_RDWRLVLFULL_START_SHIFT	31
482 #define EMIF_REG_RDWRLVLFULL_START_MASK		(1 << 31)
483 #define EMIF_REG_RDWRLVLINC_PRE_SHIFT		24
484 #define EMIF_REG_RDWRLVLINC_PRE_MASK		(0x7F << 24)
485 #define EMIF_REG_RDLVLINC_INT_SHIFT		16
486 #define EMIF_REG_RDLVLINC_INT_MASK		(0xFF << 16)
487 #define EMIF_REG_RDLVLGATEINC_INT_SHIFT		8
488 #define EMIF_REG_RDLVLGATEINC_INT_MASK		(0xFF << 8)
489 #define EMIF_REG_WRLVLINC_INT_SHIFT		0
490 #define EMIF_REG_WRLVLINC_INT_MASK		(0xFF << 0)
491 
492 /*EMIF_READ_WRITE_LEVELING_RAMP_CONTROL*/
493 #define EMIF_REG_RDWRLVL_EN_SHIFT		31
494 #define EMIF_REG_RDWRLVL_EN_MASK		(1 << 31)
495 #define EMIF_REG_RDWRLVLINC_RMP_PRE_SHIFT	24
496 #define EMIF_REG_RDWRLVLINC_RMP_PRE_MASK	(0x7F << 24)
497 #define EMIF_REG_RDLVLINC_RMP_INT_SHIFT		16
498 #define EMIF_REG_RDLVLINC_RMP_INT_MASK		(0xFF << 16)
499 #define EMIF_REG_RDLVLGATEINC_RMP_INT_SHIFT	8
500 #define EMIF_REG_RDLVLGATEINC_RMP_INT_MASK	(0xFF << 8)
501 #define EMIF_REG_WRLVLINC_RMP_INT_SHIFT		0
502 #define EMIF_REG_WRLVLINC_RMP_INT_MASK		(0xFF << 0)
503 
504 /*EMIF_READ_WRITE_LEVELING_RAMP_WINDOW*/
505 #define EMIF_REG_RDWRLVLINC_RMP_WIN_SHIFT	0
506 #define EMIF_REG_RDWRLVLINC_RMP_WIN_MASK	(0x1FFF << 0)
507 
508 /*Leveling Fields */
509 #define DDR3_WR_LVL_INT		0x73
510 #define DDR3_RD_LVL_INT		0x33
511 #define DDR3_RD_LVL_GATE_INT	0x59
512 #define RD_RW_LVL_INC_PRE	0x0
513 #define DDR3_FULL_LVL		(1 << EMIF_REG_RDWRLVL_EN_SHIFT)
514 
515 #define DDR3_INC_LVL	((DDR3_WR_LVL_INT << EMIF_REG_WRLVLINC_INT_SHIFT)   \
516 		| (DDR3_RD_LVL_GATE_INT << EMIF_REG_RDLVLGATEINC_INT_SHIFT) \
517 		| (DDR3_RD_LVL_INT << EMIF_REG_RDLVLINC_RMP_INT_SHIFT)      \
518 		| (RD_RW_LVL_INC_PRE << EMIF_REG_RDWRLVLINC_RMP_PRE_SHIFT))
519 
520 #define SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES	0x0000C1A7
521 #define SDRAM_CONFIG_EXT_RD_LVL_4_SAMPLES	0x000001A7
522 #define SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES_ES2 0x0000C1C7
523 
524 /* DMM */
525 #define DMM_BASE			0x4E000040
526 
527 /* Memory Adapter */
528 #define MA_BASE				0x482AF040
529 
530 /* DMM_LISA_MAP */
531 #define EMIF_SYS_ADDR_SHIFT		24
532 #define EMIF_SYS_ADDR_MASK		(0xff << 24)
533 #define EMIF_SYS_SIZE_SHIFT		20
534 #define EMIF_SYS_SIZE_MASK		(0x7 << 20)
535 #define EMIF_SDRC_INTL_SHIFT	18
536 #define EMIF_SDRC_INTL_MASK		(0x3 << 18)
537 #define EMIF_SDRC_ADDRSPC_SHIFT	16
538 #define EMIF_SDRC_ADDRSPC_MASK	(0x3 << 16)
539 #define EMIF_SDRC_MAP_SHIFT		8
540 #define EMIF_SDRC_MAP_MASK		(0x3 << 8)
541 #define EMIF_SDRC_ADDR_SHIFT	0
542 #define EMIF_SDRC_ADDR_MASK		(0xff << 0)
543 
544 /* DMM_LISA_MAP fields */
545 #define DMM_SDRC_MAP_UNMAPPED		0
546 #define DMM_SDRC_MAP_EMIF1_ONLY		1
547 #define DMM_SDRC_MAP_EMIF2_ONLY		2
548 #define DMM_SDRC_MAP_EMIF1_AND_EMIF2	3
549 
550 #define DMM_SDRC_INTL_NONE		0
551 #define DMM_SDRC_INTL_128B		1
552 #define DMM_SDRC_INTL_256B		2
553 #define DMM_SDRC_INTL_512		3
554 
555 #define DMM_SDRC_ADDR_SPC_SDRAM		0
556 #define DMM_SDRC_ADDR_SPC_NVM		1
557 #define DMM_SDRC_ADDR_SPC_INVALID	2
558 
559 #define DMM_LISA_MAP_INTERLEAVED_BASE_VAL		(\
560 	(DMM_SDRC_MAP_EMIF1_AND_EMIF2 << EMIF_SDRC_MAP_SHIFT) |\
561 	(DMM_SDRC_ADDR_SPC_SDRAM << EMIF_SDRC_ADDRSPC_SHIFT) |\
562 	(DMM_SDRC_INTL_128B << EMIF_SDRC_INTL_SHIFT) |\
563 	(CONFIG_SYS_SDRAM_BASE << EMIF_SYS_ADDR_SHIFT))
564 
565 #define DMM_LISA_MAP_EMIF1_ONLY_BASE_VAL	(\
566 	(DMM_SDRC_MAP_EMIF1_ONLY << EMIF_SDRC_MAP_SHIFT)|\
567 	(DMM_SDRC_ADDR_SPC_SDRAM << EMIF_SDRC_ADDRSPC_SHIFT)|\
568 	(DMM_SDRC_INTL_NONE << EMIF_SDRC_INTL_SHIFT))
569 
570 #define DMM_LISA_MAP_EMIF2_ONLY_BASE_VAL	(\
571 	(DMM_SDRC_MAP_EMIF2_ONLY << EMIF_SDRC_MAP_SHIFT)|\
572 	(DMM_SDRC_ADDR_SPC_SDRAM << EMIF_SDRC_ADDRSPC_SHIFT)|\
573 	(DMM_SDRC_INTL_NONE << EMIF_SDRC_INTL_SHIFT))
574 
575 /* Trap for invalid TILER PAT entries */
576 #define DMM_LISA_MAP_0_INVAL_ADDR_TRAP		(\
577 	(0  << EMIF_SDRC_ADDR_SHIFT) |\
578 	(DMM_SDRC_MAP_EMIF1_ONLY << EMIF_SDRC_MAP_SHIFT)|\
579 	(DMM_SDRC_ADDR_SPC_INVALID << EMIF_SDRC_ADDRSPC_SHIFT)|\
580 	(DMM_SDRC_INTL_NONE << EMIF_SDRC_INTL_SHIFT)|\
581 	(0xFF << EMIF_SYS_ADDR_SHIFT))
582 
583 #define EMIF_EXT_PHY_CTRL_TIMING_REG	0x5
584 #define EMIF_EXT_PHY_CTRL_CONST_REG	0x13
585 
586 /* Reg mapping structure */
587 struct emif_reg_struct {
588 	u32 emif_mod_id_rev;
589 	u32 emif_status;
590 	u32 emif_sdram_config;
591 	u32 emif_lpddr2_nvm_config;
592 	u32 emif_sdram_ref_ctrl;
593 	u32 emif_sdram_ref_ctrl_shdw;
594 	u32 emif_sdram_tim_1;
595 	u32 emif_sdram_tim_1_shdw;
596 	u32 emif_sdram_tim_2;
597 	u32 emif_sdram_tim_2_shdw;
598 	u32 emif_sdram_tim_3;
599 	u32 emif_sdram_tim_3_shdw;
600 	u32 emif_lpddr2_nvm_tim;
601 	u32 emif_lpddr2_nvm_tim_shdw;
602 	u32 emif_pwr_mgmt_ctrl;
603 	u32 emif_pwr_mgmt_ctrl_shdw;
604 	u32 emif_lpddr2_mode_reg_data;
605 	u32 padding1[1];
606 	u32 emif_lpddr2_mode_reg_data_es2;
607 	u32 padding11[1];
608 	u32 emif_lpddr2_mode_reg_cfg;
609 	u32 emif_l3_config;
610 	u32 emif_l3_cfg_val_1;
611 	u32 emif_l3_cfg_val_2;
612 	u32 emif_iodft_tlgc;
613 	u32 padding2[7];
614 	u32 emif_perf_cnt_1;
615 	u32 emif_perf_cnt_2;
616 	u32 emif_perf_cnt_cfg;
617 	u32 emif_perf_cnt_sel;
618 	u32 emif_perf_cnt_tim;
619 	u32 padding3;
620 	u32 emif_read_idlectrl;
621 	u32 emif_read_idlectrl_shdw;
622 	u32 padding4;
623 	u32 emif_irqstatus_raw_sys;
624 	u32 emif_irqstatus_raw_ll;
625 	u32 emif_irqstatus_sys;
626 	u32 emif_irqstatus_ll;
627 	u32 emif_irqenable_set_sys;
628 	u32 emif_irqenable_set_ll;
629 	u32 emif_irqenable_clr_sys;
630 	u32 emif_irqenable_clr_ll;
631 	u32 padding5;
632 	u32 emif_zq_config;
633 	u32 emif_temp_alert_config;
634 	u32 emif_l3_err_log;
635 	u32 emif_rd_wr_lvl_rmp_win;
636 	u32 emif_rd_wr_lvl_rmp_ctl;
637 	u32 emif_rd_wr_lvl_ctl;
638 	u32 padding6[1];
639 	u32 emif_ddr_phy_ctrl_1;
640 	u32 emif_ddr_phy_ctrl_1_shdw;
641 	u32 emif_ddr_phy_ctrl_2;
642 	u32 padding7[12];
643 	u32 emif_rd_wr_exec_thresh;
644 	u32 padding8[55];
645 	u32 emif_ddr_ext_phy_ctrl_1;
646 	u32 emif_ddr_ext_phy_ctrl_1_shdw;
647 	u32 emif_ddr_ext_phy_ctrl_2;
648 	u32 emif_ddr_ext_phy_ctrl_2_shdw;
649 	u32 emif_ddr_ext_phy_ctrl_3;
650 	u32 emif_ddr_ext_phy_ctrl_3_shdw;
651 	u32 emif_ddr_ext_phy_ctrl_4;
652 	u32 emif_ddr_ext_phy_ctrl_4_shdw;
653 	u32 emif_ddr_ext_phy_ctrl_5;
654 	u32 emif_ddr_ext_phy_ctrl_5_shdw;
655 	u32 emif_ddr_ext_phy_ctrl_6;
656 	u32 emif_ddr_ext_phy_ctrl_6_shdw;
657 	u32 emif_ddr_ext_phy_ctrl_7;
658 	u32 emif_ddr_ext_phy_ctrl_7_shdw;
659 	u32 emif_ddr_ext_phy_ctrl_8;
660 	u32 emif_ddr_ext_phy_ctrl_8_shdw;
661 	u32 emif_ddr_ext_phy_ctrl_9;
662 	u32 emif_ddr_ext_phy_ctrl_9_shdw;
663 	u32 emif_ddr_ext_phy_ctrl_10;
664 	u32 emif_ddr_ext_phy_ctrl_10_shdw;
665 	u32 emif_ddr_ext_phy_ctrl_11;
666 	u32 emif_ddr_ext_phy_ctrl_11_shdw;
667 	u32 emif_ddr_ext_phy_ctrl_12;
668 	u32 emif_ddr_ext_phy_ctrl_12_shdw;
669 	u32 emif_ddr_ext_phy_ctrl_13;
670 	u32 emif_ddr_ext_phy_ctrl_13_shdw;
671 	u32 emif_ddr_ext_phy_ctrl_14;
672 	u32 emif_ddr_ext_phy_ctrl_14_shdw;
673 	u32 emif_ddr_ext_phy_ctrl_15;
674 	u32 emif_ddr_ext_phy_ctrl_15_shdw;
675 	u32 emif_ddr_ext_phy_ctrl_16;
676 	u32 emif_ddr_ext_phy_ctrl_16_shdw;
677 	u32 emif_ddr_ext_phy_ctrl_17;
678 	u32 emif_ddr_ext_phy_ctrl_17_shdw;
679 	u32 emif_ddr_ext_phy_ctrl_18;
680 	u32 emif_ddr_ext_phy_ctrl_18_shdw;
681 	u32 emif_ddr_ext_phy_ctrl_19;
682 	u32 emif_ddr_ext_phy_ctrl_19_shdw;
683 	u32 emif_ddr_ext_phy_ctrl_20;
684 	u32 emif_ddr_ext_phy_ctrl_20_shdw;
685 	u32 emif_ddr_ext_phy_ctrl_21;
686 	u32 emif_ddr_ext_phy_ctrl_21_shdw;
687 	u32 emif_ddr_ext_phy_ctrl_22;
688 	u32 emif_ddr_ext_phy_ctrl_22_shdw;
689 	u32 emif_ddr_ext_phy_ctrl_23;
690 	u32 emif_ddr_ext_phy_ctrl_23_shdw;
691 	u32 emif_ddr_ext_phy_ctrl_24;
692 	u32 emif_ddr_ext_phy_ctrl_24_shdw;
693 };
694 
695 struct dmm_lisa_map_regs {
696 	u32 dmm_lisa_map_0;
697 	u32 dmm_lisa_map_1;
698 	u32 dmm_lisa_map_2;
699 	u32 dmm_lisa_map_3;
700 	u8 is_ma_present;
701 };
702 
703 #define CS0	0
704 #define CS1	1
705 /* The maximum frequency at which the LPDDR2 interface can operate in Hz*/
706 #define MAX_LPDDR2_FREQ	400000000	/* 400 MHz */
707 
708 /*
709  * The period of DDR clk is represented as numerator and denominator for
710  * better accuracy in integer based calculations. However, if the numerator
711  * and denominator are very huge there may be chances of overflow in
712  * calculations. So, as a trade-off keep denominator(and consequently
713  * numerator) within a limit sacrificing some accuracy - but not much
714  * If denominator and numerator are already small (such as at 400 MHz)
715  * no adjustment is needed
716  */
717 #define EMIF_PERIOD_DEN_LIMIT	1000
718 /*
719  * Maximum number of different frequencies supported by EMIF driver
720  * Determines the number of entries in the pointer array for register
721  * cache
722  */
723 #define EMIF_MAX_NUM_FREQUENCIES	6
724 /*
725  * Indices into the Addressing Table array.
726  * One entry each for all the different types of devices with different
727  * addressing schemes
728  */
729 #define ADDR_TABLE_INDEX64M	0
730 #define ADDR_TABLE_INDEX128M	1
731 #define ADDR_TABLE_INDEX256M	2
732 #define ADDR_TABLE_INDEX512M	3
733 #define ADDR_TABLE_INDEX1GS4	4
734 #define ADDR_TABLE_INDEX2GS4	5
735 #define ADDR_TABLE_INDEX4G	6
736 #define ADDR_TABLE_INDEX8G	7
737 #define ADDR_TABLE_INDEX1GS2	8
738 #define ADDR_TABLE_INDEX2GS2	9
739 #define ADDR_TABLE_INDEXMAX	10
740 
741 /* Number of Row bits */
742 #define ROW_9  0
743 #define ROW_10 1
744 #define ROW_11 2
745 #define ROW_12 3
746 #define ROW_13 4
747 #define ROW_14 5
748 #define ROW_15 6
749 #define ROW_16 7
750 
751 /* Number of Column bits */
752 #define COL_8   0
753 #define COL_9   1
754 #define COL_10  2
755 #define COL_11  3
756 #define COL_7   4 /*Not supported by OMAP included for completeness */
757 
758 /* Number of Banks*/
759 #define BANKS1 0
760 #define BANKS2 1
761 #define BANKS4 2
762 #define BANKS8 3
763 
764 /* Refresh rate in micro seconds x 10 */
765 #define T_REFI_15_6	156
766 #define T_REFI_7_8	78
767 #define T_REFI_3_9	39
768 
769 #define EBANK_CS1_DIS	0
770 #define EBANK_CS1_EN	1
771 
772 /* Read Latency used by the device at reset */
773 #define RL_BOOT		3
774 /* Read Latency for the highest frequency you want to use */
775 #ifdef CONFIG_OMAP54XX
776 #define RL_FINAL	8
777 #else
778 #define RL_FINAL	6
779 #endif
780 
781 
782 /* Interleaving policies at EMIF level- between banks and Chip Selects */
783 #define EMIF_INTERLEAVING_POLICY_MAX_INTERLEAVING	0
784 #define EMIF_INTERLEAVING_POLICY_NO_BANK_INTERLEAVING	3
785 
786 /*
787  * Interleaving policy to be used
788  * Currently set to MAX interleaving for better performance
789  */
790 #define EMIF_INTERLEAVING_POLICY EMIF_INTERLEAVING_POLICY_MAX_INTERLEAVING
791 
792 /* State of the core voltage:
793  * This is important for some parameters such as read idle control and
794  * ZQ calibration timings. Timings are much stricter when voltage ramp
795  * is happening compared to when the voltage is stable.
796  * We need to calculate two sets of values for these parameters and use
797  * them accordingly
798  */
799 #define LPDDR2_VOLTAGE_STABLE	0
800 #define LPDDR2_VOLTAGE_RAMPING	1
801 
802 /* Length of the forced read idle period in terms of cycles */
803 #define EMIF_REG_READ_IDLE_LEN_VAL	5
804 
805 /* Interval between forced 'read idles' */
806 /* To be used when voltage is changed for DPS/DVFS - 1us */
807 #define READ_IDLE_INTERVAL_DVFS		(1*1000)
808 /*
809  * To be used when voltage is not scaled except by Smart Reflex
810  * 50us - or maximum value will do
811  */
812 #define READ_IDLE_INTERVAL_NORMAL	(50*1000)
813 
814 
815 /*
816  * Unless voltage is changing due to DVFS one ZQCS command every 50ms should
817  * be enough. This shoule be enough also in the case when voltage is changing
818  * due to smart-reflex.
819  */
820 #define EMIF_ZQCS_INTERVAL_NORMAL_IN_US	(50*1000)
821 /*
822  * If voltage is changing due to DVFS ZQCS should be performed more
823  * often(every 50us)
824  */
825 #define EMIF_ZQCS_INTERVAL_DVFS_IN_US	50
826 
827 /* The interval between ZQCL commands as a multiple of ZQCS interval */
828 #define REG_ZQ_ZQCL_MULT		4
829 /* The interval between ZQINIT commands as a multiple of ZQCL interval */
830 #define REG_ZQ_ZQINIT_MULT		3
831 /* Enable ZQ Calibration on exiting Self-refresh */
832 #define REG_ZQ_SFEXITEN_ENABLE		1
833 /*
834  * ZQ Calibration simultaneously on both chip-selects:
835  * Needs one calibration resistor per CS
836  * None of the boards that we know of have this capability
837  * So disabled by default
838  */
839 #define REG_ZQ_DUALCALEN_DISABLE	0
840 /*
841  * Enable ZQ Calibration by default on CS0. If we are asked to program
842  * the EMIF there will be something connected to CS0 for sure
843  */
844 #define REG_ZQ_CS0EN_ENABLE		1
845 
846 /* EMIF_PWR_MGMT_CTRL register */
847 /* Low power modes */
848 #define LP_MODE_DISABLE		0
849 #define LP_MODE_CLOCK_STOP	1
850 #define LP_MODE_SELF_REFRESH	2
851 #define LP_MODE_PWR_DN		3
852 
853 /* REG_DPD_EN */
854 #define DPD_DISABLE	0
855 #define DPD_ENABLE	1
856 
857 /* Maximum delay before Low Power Modes */
858 #ifndef CONFIG_OMAP54XX
859 #define REG_CS_TIM		0xF
860 #else
861 #define REG_CS_TIM		0x0
862 #endif
863 #define REG_SR_TIM		0xF
864 #define REG_PD_TIM		0xF
865 
866 /* EMIF_PWR_MGMT_CTRL register */
867 #define EMIF_PWR_MGMT_CTRL (\
868 	((REG_CS_TIM << EMIF_REG_CS_TIM_SHIFT) & EMIF_REG_CS_TIM_MASK)|\
869 	((REG_SR_TIM << EMIF_REG_SR_TIM_SHIFT) & EMIF_REG_SR_TIM_MASK)|\
870 	((REG_PD_TIM << EMIF_REG_PD_TIM_SHIFT) & EMIF_REG_PD_TIM_MASK)|\
871 	((REG_PD_TIM << EMIF_REG_PD_TIM_SHIFT) & EMIF_REG_PD_TIM_MASK)|\
872 	((LP_MODE_DISABLE << EMIF_REG_LP_MODE_SHIFT)\
873 			& EMIF_REG_LP_MODE_MASK) |\
874 	((DPD_DISABLE << EMIF_REG_DPD_EN_SHIFT)\
875 			& EMIF_REG_DPD_EN_MASK))\
876 
877 #define EMIF_PWR_MGMT_CTRL_SHDW (\
878 	((REG_CS_TIM << EMIF_REG_CS_TIM_SHDW_SHIFT)\
879 			& EMIF_REG_CS_TIM_SHDW_MASK) |\
880 	((REG_SR_TIM << EMIF_REG_SR_TIM_SHDW_SHIFT)\
881 			& EMIF_REG_SR_TIM_SHDW_MASK) |\
882 	((REG_PD_TIM << EMIF_REG_PD_TIM_SHDW_SHIFT)\
883 			& EMIF_REG_PD_TIM_SHDW_MASK) |\
884 	((REG_PD_TIM << EMIF_REG_PD_TIM_SHDW_SHIFT)\
885 			& EMIF_REG_PD_TIM_SHDW_MASK))
886 
887 /* EMIF_L3_CONFIG register value */
888 #define EMIF_L3_CONFIG_VAL_SYS_10_LL_0	0x0A0000FF
889 #define EMIF_L3_CONFIG_VAL_SYS_10_MPU_3_LL_0	0x0A300000
890 #define EMIF_L3_CONFIG_VAL_SYS_10_MPU_5_LL_0	0x0A500000
891 
892 /*
893  * Value of bits 12:31 of DDR_PHY_CTRL_1 register:
894  * All these fields have magic values dependent on frequency and
895  * determined by PHY and DLL integration with EMIF. Setting the magic
896  * values suggested by hw team.
897  */
898 #define EMIF_DDR_PHY_CTRL_1_BASE_VAL			0x049FF
899 #define EMIF_DLL_SLAVE_DLY_CTRL_400_MHZ			0x41
900 #define EMIF_DLL_SLAVE_DLY_CTRL_200_MHZ			0x80
901 #define EMIF_DLL_SLAVE_DLY_CTRL_100_MHZ_AND_LESS	0xFF
902 
903 /*
904 * MR1 value:
905 * Burst length	: 8
906 * Burst type	: sequential
907 * Wrap		: enabled
908 * nWR		: 3(default). EMIF does not do pre-charge.
909 *		: So nWR is don't care
910 */
911 #define MR1_BL_8_BT_SEQ_WRAP_EN_NWR_3	0x23
912 #define MR1_BL_8_BT_SEQ_WRAP_EN_NWR_8	0xc3
913 
914 /* MR2 */
915 #define MR2_RL3_WL1			1
916 #define MR2_RL4_WL2			2
917 #define MR2_RL5_WL2			3
918 #define MR2_RL6_WL3			4
919 
920 /* MR10: ZQ calibration codes */
921 #define MR10_ZQ_ZQCS		0x56
922 #define MR10_ZQ_ZQCL		0xAB
923 #define MR10_ZQ_ZQINIT		0xFF
924 #define MR10_ZQ_ZQRESET		0xC3
925 
926 /* TEMP_ALERT_CONFIG */
927 #define TEMP_ALERT_POLL_INTERVAL_MS	360 /* for temp gradient - 5 C/s */
928 #define TEMP_ALERT_CONFIG_DEVCT_1	0
929 #define TEMP_ALERT_CONFIG_DEVWDT_32	2
930 
931 /* MR16 value: refresh full array(no partial array self refresh) */
932 #define MR16_REF_FULL_ARRAY	0
933 
934 /*
935  * Maximum number of entries we keep in our array of timing tables
936  * We need not keep all the speed bins supported by the device
937  * We need to keep timing tables for only the speed bins that we
938  * are interested in
939  */
940 #define MAX_NUM_SPEEDBINS	4
941 
942 /* LPDDR2 Densities */
943 #define LPDDR2_DENSITY_64Mb	0
944 #define LPDDR2_DENSITY_128Mb	1
945 #define LPDDR2_DENSITY_256Mb	2
946 #define LPDDR2_DENSITY_512Mb	3
947 #define LPDDR2_DENSITY_1Gb	4
948 #define LPDDR2_DENSITY_2Gb	5
949 #define LPDDR2_DENSITY_4Gb	6
950 #define LPDDR2_DENSITY_8Gb	7
951 #define LPDDR2_DENSITY_16Gb	8
952 #define LPDDR2_DENSITY_32Gb	9
953 
954 /* LPDDR2 type */
955 #define	LPDDR2_TYPE_S4	0
956 #define	LPDDR2_TYPE_S2	1
957 #define	LPDDR2_TYPE_NVM	2
958 
959 /* LPDDR2 IO width */
960 #define	LPDDR2_IO_WIDTH_32	0
961 #define	LPDDR2_IO_WIDTH_16	1
962 #define	LPDDR2_IO_WIDTH_8	2
963 
964 /* Mode register numbers */
965 #define LPDDR2_MR0	0
966 #define LPDDR2_MR1	1
967 #define LPDDR2_MR2	2
968 #define LPDDR2_MR3	3
969 #define LPDDR2_MR4	4
970 #define LPDDR2_MR5	5
971 #define LPDDR2_MR6	6
972 #define LPDDR2_MR7	7
973 #define LPDDR2_MR8	8
974 #define LPDDR2_MR9	9
975 #define LPDDR2_MR10	10
976 #define LPDDR2_MR11	11
977 #define LPDDR2_MR16	16
978 #define LPDDR2_MR17	17
979 #define LPDDR2_MR18	18
980 
981 /* MR0 */
982 #define LPDDR2_MR0_DAI_SHIFT	0
983 #define LPDDR2_MR0_DAI_MASK	1
984 #define LPDDR2_MR0_DI_SHIFT	1
985 #define LPDDR2_MR0_DI_MASK	(1 << 1)
986 #define LPDDR2_MR0_DNVI_SHIFT	2
987 #define LPDDR2_MR0_DNVI_MASK	(1 << 2)
988 
989 /* MR4 */
990 #define MR4_SDRAM_REF_RATE_SHIFT	0
991 #define MR4_SDRAM_REF_RATE_MASK		7
992 #define MR4_TUF_SHIFT			7
993 #define MR4_TUF_MASK			(1 << 7)
994 
995 /* MR4 SDRAM Refresh Rate field values */
996 #define SDRAM_TEMP_LESS_LOW_SHUTDOWN			0x0
997 #define SDRAM_TEMP_LESS_4X_REFRESH_AND_TIMINGS		0x1
998 #define SDRAM_TEMP_LESS_2X_REFRESH_AND_TIMINGS		0x2
999 #define SDRAM_TEMP_NOMINAL				0x3
1000 #define SDRAM_TEMP_RESERVED_4				0x4
1001 #define SDRAM_TEMP_HIGH_DERATE_REFRESH			0x5
1002 #define SDRAM_TEMP_HIGH_DERATE_REFRESH_AND_TIMINGS	0x6
1003 #define SDRAM_TEMP_VERY_HIGH_SHUTDOWN			0x7
1004 
1005 #define LPDDR2_MANUFACTURER_SAMSUNG	1
1006 #define LPDDR2_MANUFACTURER_QIMONDA	2
1007 #define LPDDR2_MANUFACTURER_ELPIDA	3
1008 #define LPDDR2_MANUFACTURER_ETRON	4
1009 #define LPDDR2_MANUFACTURER_NANYA	5
1010 #define LPDDR2_MANUFACTURER_HYNIX	6
1011 #define LPDDR2_MANUFACTURER_MOSEL	7
1012 #define LPDDR2_MANUFACTURER_WINBOND	8
1013 #define LPDDR2_MANUFACTURER_ESMT	9
1014 #define LPDDR2_MANUFACTURER_SPANSION 11
1015 #define LPDDR2_MANUFACTURER_SST		12
1016 #define LPDDR2_MANUFACTURER_ZMOS	13
1017 #define LPDDR2_MANUFACTURER_INTEL	14
1018 #define LPDDR2_MANUFACTURER_NUMONYX	254
1019 #define LPDDR2_MANUFACTURER_MICRON	255
1020 
1021 /* MR8 register fields */
1022 #define MR8_TYPE_SHIFT		0x0
1023 #define MR8_TYPE_MASK		0x3
1024 #define MR8_DENSITY_SHIFT	0x2
1025 #define MR8_DENSITY_MASK	(0xF << 0x2)
1026 #define MR8_IO_WIDTH_SHIFT	0x6
1027 #define MR8_IO_WIDTH_MASK	(0x3 << 0x6)
1028 
1029 /* SDRAM TYPE */
1030 #define EMIF_SDRAM_TYPE_DDR2	0x2
1031 #define EMIF_SDRAM_TYPE_DDR3	0x3
1032 #define EMIF_SDRAM_TYPE_LPDDR2	0x4
1033 
1034 struct lpddr2_addressing {
1035 	u8	num_banks;
1036 	u8	t_REFI_us_x10;
1037 	u8	row_sz[2]; /* One entry each for x32 and x16 */
1038 	u8	col_sz[2]; /* One entry each for x32 and x16 */
1039 };
1040 
1041 /* Structure for timings from the DDR datasheet */
1042 struct lpddr2_ac_timings {
1043 	u32 max_freq;
1044 	u8 RL;
1045 	u8 tRPab;
1046 	u8 tRCD;
1047 	u8 tWR;
1048 	u8 tRASmin;
1049 	u8 tRRD;
1050 	u8 tWTRx2;
1051 	u8 tXSR;
1052 	u8 tXPx2;
1053 	u8 tRFCab;
1054 	u8 tRTPx2;
1055 	u8 tCKE;
1056 	u8 tCKESR;
1057 	u8 tZQCS;
1058 	u32 tZQCL;
1059 	u32 tZQINIT;
1060 	u8 tDQSCKMAXx2;
1061 	u8 tRASmax;
1062 	u8 tFAW;
1063 
1064 };
1065 
1066 /*
1067  * Min tCK values for some of the parameters:
1068  * If the calculated clock cycles for the respective parameter is
1069  * less than the corresponding min tCK value, we need to set the min
1070  * tCK value. This may happen at lower frequencies.
1071  */
1072 struct lpddr2_min_tck {
1073 	u32 tRL;
1074 	u32 tRP_AB;
1075 	u32 tRCD;
1076 	u32 tWR;
1077 	u32 tRAS_MIN;
1078 	u32 tRRD;
1079 	u32 tWTR;
1080 	u32 tXP;
1081 	u32 tRTP;
1082 	u8  tCKE;
1083 	u32 tCKESR;
1084 	u32 tFAW;
1085 };
1086 
1087 struct lpddr2_device_details {
1088 	u8	type;
1089 	u8	density;
1090 	u8	io_width;
1091 	u8	manufacturer;
1092 };
1093 
1094 struct lpddr2_device_timings {
1095 	const struct lpddr2_ac_timings **ac_timings;
1096 	const struct lpddr2_min_tck *min_tck;
1097 };
1098 
1099 /* Details of the devices connected to each chip-select of an EMIF instance */
1100 struct emif_device_details {
1101 	const struct lpddr2_device_details *cs0_device_details;
1102 	const struct lpddr2_device_details *cs1_device_details;
1103 	const struct lpddr2_device_timings *cs0_device_timings;
1104 	const struct lpddr2_device_timings *cs1_device_timings;
1105 };
1106 
1107 /*
1108  * Structure containing shadow of important registers in EMIF
1109  * The calculation function fills in this structure to be later used for
1110  * initialization and DVFS
1111  */
1112 struct emif_regs {
1113 	u32 freq;
1114 	u32 sdram_config_init;
1115 	u32 sdram_config;
1116 	u32 ref_ctrl;
1117 	u32 sdram_tim1;
1118 	u32 sdram_tim2;
1119 	u32 sdram_tim3;
1120 	u32 read_idle_ctrl;
1121 	u32 zq_config;
1122 	u32 temp_alert_config;
1123 	u32 emif_ddr_phy_ctlr_1_init;
1124 	u32 emif_ddr_phy_ctlr_1;
1125 	u32 emif_ddr_ext_phy_ctrl_1;
1126 	u32 emif_ddr_ext_phy_ctrl_2;
1127 	u32 emif_ddr_ext_phy_ctrl_3;
1128 	u32 emif_ddr_ext_phy_ctrl_4;
1129 	u32 emif_ddr_ext_phy_ctrl_5;
1130 	u32 emif_rd_wr_lvl_rmp_win;
1131 	u32 emif_rd_wr_lvl_rmp_ctl;
1132 	u32 emif_rd_wr_lvl_ctl;
1133 	u32 emif_rd_wr_exec_thresh;
1134 };
1135 
1136 struct lpddr2_mr_regs {
1137 	s8 mr1;
1138 	s8 mr2;
1139 	s8 mr3;
1140 	s8 mr10;
1141 	s8 mr16;
1142 };
1143 
1144 /* assert macros */
1145 #if defined(DEBUG)
1146 #define emif_assert(c)	({ if (!(c)) for (;;); })
1147 #else
1148 #define emif_assert(c)	({ if (0) hang(); })
1149 #endif
1150 
1151 #ifdef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
1152 void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs);
1153 void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs);
1154 #else
1155 struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs,
1156 			struct lpddr2_device_details *lpddr2_dev_details);
1157 void emif_get_device_timings(u32 emif_nr,
1158 		const struct lpddr2_device_timings **cs0_device_timings,
1159 		const struct lpddr2_device_timings **cs1_device_timings);
1160 #endif
1161 
1162 void do_ext_phy_settings(u32 base, const struct emif_regs *regs);
1163 void get_lpddr2_mr_regs(const struct lpddr2_mr_regs **regs);
1164 
1165 #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
1166 extern u32 *const T_num;
1167 extern u32 *const T_den;
1168 #endif
1169 
1170 void config_data_eye_leveling_samples(u32 emif_base);
1171 u32 emif_sdram_type(void);
1172 #endif
1173