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 */
13 #ifndef _EMIF_H_
14 #define _EMIF_H_
15 #include <asm/types.h>
16 #include <common.h>
18 /* Base address */
19 #define OMAP44XX_EMIF1 0x4c000000
20 #define OMAP44XX_EMIF2 0x4d000000
22 /* Registers shifts and masks */
24 /* EMIF_MOD_ID_REV */
25 #define OMAP44XX_REG_SCHEME_SHIFT 30
26 #define OMAP44XX_REG_SCHEME_MASK (0x3 << 30)
27 #define OMAP44XX_REG_MODULE_ID_SHIFT 16
28 #define OMAP44XX_REG_MODULE_ID_MASK (0xfff << 16)
29 #define OMAP44XX_REG_RTL_VERSION_SHIFT 11
30 #define OMAP44XX_REG_RTL_VERSION_MASK (0x1f << 11)
31 #define OMAP44XX_REG_MAJOR_REVISION_SHIFT 8
32 #define OMAP44XX_REG_MAJOR_REVISION_MASK (0x7 << 8)
33 #define OMAP44XX_REG_MINOR_REVISION_SHIFT 0
34 #define OMAP44XX_REG_MINOR_REVISION_MASK (0x3f << 0)
36 /* STATUS */
37 #define OMAP44XX_REG_BE_SHIFT 31
38 #define OMAP44XX_REG_BE_MASK (1 << 31)
39 #define OMAP44XX_REG_DUAL_CLK_MODE_SHIFT 30
40 #define OMAP44XX_REG_DUAL_CLK_MODE_MASK (1 << 30)
41 #define OMAP44XX_REG_FAST_INIT_SHIFT 29
42 #define OMAP44XX_REG_FAST_INIT_MASK (1 << 29)
43 #define OMAP44XX_REG_PHY_DLL_READY_SHIFT 2
44 #define OMAP44XX_REG_PHY_DLL_READY_MASK (1 << 2)
46 /* SDRAM_CONFIG */
47 #define OMAP44XX_REG_SDRAM_TYPE_SHIFT 29
48 #define OMAP44XX_REG_SDRAM_TYPE_MASK (0x7 << 29)
49 #define OMAP44XX_REG_IBANK_POS_SHIFT 27
50 #define OMAP44XX_REG_IBANK_POS_MASK (0x3 << 27)
51 #define OMAP44XX_REG_DDR_TERM_SHIFT 24
52 #define OMAP44XX_REG_DDR_TERM_MASK (0x7 << 24)
53 #define OMAP44XX_REG_DDR2_DDQS_SHIFT 23
54 #define OMAP44XX_REG_DDR2_DDQS_MASK (1 << 23)
55 #define OMAP44XX_REG_DYN_ODT_SHIFT 21
56 #define OMAP44XX_REG_DYN_ODT_MASK (0x3 << 21)
57 #define OMAP44XX_REG_DDR_DISABLE_DLL_SHIFT 20
58 #define OMAP44XX_REG_DDR_DISABLE_DLL_MASK (1 << 20)
59 #define OMAP44XX_REG_SDRAM_DRIVE_SHIFT 18
60 #define OMAP44XX_REG_SDRAM_DRIVE_MASK (0x3 << 18)
61 #define OMAP44XX_REG_CWL_SHIFT 16
62 #define OMAP44XX_REG_CWL_MASK (0x3 << 16)
63 #define OMAP44XX_REG_NARROW_MODE_SHIFT 14
64 #define OMAP44XX_REG_NARROW_MODE_MASK (0x3 << 14)
65 #define OMAP44XX_REG_CL_SHIFT 10
66 #define OMAP44XX_REG_CL_MASK (0xf << 10)
67 #define OMAP44XX_REG_ROWSIZE_SHIFT 7
68 #define OMAP44XX_REG_ROWSIZE_MASK (0x7 << 7)
69 #define OMAP44XX_REG_IBANK_SHIFT 4
70 #define OMAP44XX_REG_IBANK_MASK (0x7 << 4)
71 #define OMAP44XX_REG_EBANK_SHIFT 3
72 #define OMAP44XX_REG_EBANK_MASK (1 << 3)
73 #define OMAP44XX_REG_PAGESIZE_SHIFT 0
74 #define OMAP44XX_REG_PAGESIZE_MASK (0x7 << 0)
76 /* SDRAM_CONFIG_2 */
77 #define OMAP44XX_REG_CS1NVMEN_SHIFT 30
78 #define OMAP44XX_REG_CS1NVMEN_MASK (1 << 30)
79 #define OMAP44XX_REG_EBANK_POS_SHIFT 27
80 #define OMAP44XX_REG_EBANK_POS_MASK (1 << 27)
81 #define OMAP44XX_REG_RDBNUM_SHIFT 4
82 #define OMAP44XX_REG_RDBNUM_MASK (0x3 << 4)
83 #define OMAP44XX_REG_RDBSIZE_SHIFT 0
84 #define OMAP44XX_REG_RDBSIZE_MASK (0x7 << 0)
86 /* SDRAM_REF_CTRL */
87 #define OMAP44XX_REG_INITREF_DIS_SHIFT 31
88 #define OMAP44XX_REG_INITREF_DIS_MASK (1 << 31)
89 #define OMAP44XX_REG_SRT_SHIFT 29
90 #define OMAP44XX_REG_SRT_MASK (1 << 29)
91 #define OMAP44XX_REG_ASR_SHIFT 28
92 #define OMAP44XX_REG_ASR_MASK (1 << 28)
93 #define OMAP44XX_REG_PASR_SHIFT 24
94 #define OMAP44XX_REG_PASR_MASK (0x7 << 24)
95 #define OMAP44XX_REG_REFRESH_RATE_SHIFT 0
96 #define OMAP44XX_REG_REFRESH_RATE_MASK (0xffff << 0)
98 /* SDRAM_REF_CTRL_SHDW */
99 #define OMAP44XX_REG_REFRESH_RATE_SHDW_SHIFT 0
100 #define OMAP44XX_REG_REFRESH_RATE_SHDW_MASK (0xffff << 0)
102 /* SDRAM_TIM_1 */
103 #define OMAP44XX_REG_T_RP_SHIFT 25
104 #define OMAP44XX_REG_T_RP_MASK (0xf << 25)
105 #define OMAP44XX_REG_T_RCD_SHIFT 21
106 #define OMAP44XX_REG_T_RCD_MASK (0xf << 21)
107 #define OMAP44XX_REG_T_WR_SHIFT 17
108 #define OMAP44XX_REG_T_WR_MASK (0xf << 17)
109 #define OMAP44XX_REG_T_RAS_SHIFT 12
110 #define OMAP44XX_REG_T_RAS_MASK (0x1f << 12)
111 #define OMAP44XX_REG_T_RC_SHIFT 6
112 #define OMAP44XX_REG_T_RC_MASK (0x3f << 6)
113 #define OMAP44XX_REG_T_RRD_SHIFT 3
114 #define OMAP44XX_REG_T_RRD_MASK (0x7 << 3)
115 #define OMAP44XX_REG_T_WTR_SHIFT 0
116 #define OMAP44XX_REG_T_WTR_MASK (0x7 << 0)
118 /* SDRAM_TIM_1_SHDW */
119 #define OMAP44XX_REG_T_RP_SHDW_SHIFT 25
120 #define OMAP44XX_REG_T_RP_SHDW_MASK (0xf << 25)
121 #define OMAP44XX_REG_T_RCD_SHDW_SHIFT 21
122 #define OMAP44XX_REG_T_RCD_SHDW_MASK (0xf << 21)
123 #define OMAP44XX_REG_T_WR_SHDW_SHIFT 17
124 #define OMAP44XX_REG_T_WR_SHDW_MASK (0xf << 17)
125 #define OMAP44XX_REG_T_RAS_SHDW_SHIFT 12
126 #define OMAP44XX_REG_T_RAS_SHDW_MASK (0x1f << 12)
127 #define OMAP44XX_REG_T_RC_SHDW_SHIFT 6
128 #define OMAP44XX_REG_T_RC_SHDW_MASK (0x3f << 6)
129 #define OMAP44XX_REG_T_RRD_SHDW_SHIFT 3
130 #define OMAP44XX_REG_T_RRD_SHDW_MASK (0x7 << 3)
131 #define OMAP44XX_REG_T_WTR_SHDW_SHIFT 0
132 #define OMAP44XX_REG_T_WTR_SHDW_MASK (0x7 << 0)
134 /* SDRAM_TIM_2 */
135 #define OMAP44XX_REG_T_XP_SHIFT 28
136 #define OMAP44XX_REG_T_XP_MASK (0x7 << 28)
137 #define OMAP44XX_REG_T_ODT_SHIFT 25
138 #define OMAP44XX_REG_T_ODT_MASK (0x7 << 25)
139 #define OMAP44XX_REG_T_XSNR_SHIFT 16
140 #define OMAP44XX_REG_T_XSNR_MASK (0x1ff << 16)
141 #define OMAP44XX_REG_T_XSRD_SHIFT 6
142 #define OMAP44XX_REG_T_XSRD_MASK (0x3ff << 6)
143 #define OMAP44XX_REG_T_RTP_SHIFT 3
144 #define OMAP44XX_REG_T_RTP_MASK (0x7 << 3)
145 #define OMAP44XX_REG_T_CKE_SHIFT 0
146 #define OMAP44XX_REG_T_CKE_MASK (0x7 << 0)
148 /* SDRAM_TIM_2_SHDW */
149 #define OMAP44XX_REG_T_XP_SHDW_SHIFT 28
150 #define OMAP44XX_REG_T_XP_SHDW_MASK (0x7 << 28)
151 #define OMAP44XX_REG_T_ODT_SHDW_SHIFT 25
152 #define OMAP44XX_REG_T_ODT_SHDW_MASK (0x7 << 25)
153 #define OMAP44XX_REG_T_XSNR_SHDW_SHIFT 16
154 #define OMAP44XX_REG_T_XSNR_SHDW_MASK (0x1ff << 16)
155 #define OMAP44XX_REG_T_XSRD_SHDW_SHIFT 6
156 #define OMAP44XX_REG_T_XSRD_SHDW_MASK (0x3ff << 6)
157 #define OMAP44XX_REG_T_RTP_SHDW_SHIFT 3
158 #define OMAP44XX_REG_T_RTP_SHDW_MASK (0x7 << 3)
159 #define OMAP44XX_REG_T_CKE_SHDW_SHIFT 0
160 #define OMAP44XX_REG_T_CKE_SHDW_MASK (0x7 << 0)
162 /* SDRAM_TIM_3 */
163 #define OMAP44XX_REG_T_CKESR_SHIFT 21
164 #define OMAP44XX_REG_T_CKESR_MASK (0x7 << 21)
165 #define OMAP44XX_REG_ZQ_ZQCS_SHIFT 15
166 #define OMAP44XX_REG_ZQ_ZQCS_MASK (0x3f << 15)
167 #define OMAP44XX_REG_T_TDQSCKMAX_SHIFT 13
168 #define OMAP44XX_REG_T_TDQSCKMAX_MASK (0x3 << 13)
169 #define OMAP44XX_REG_T_RFC_SHIFT 4
170 #define OMAP44XX_REG_T_RFC_MASK (0x1ff << 4)
171 #define OMAP44XX_REG_T_RAS_MAX_SHIFT 0
172 #define OMAP44XX_REG_T_RAS_MAX_MASK (0xf << 0)
174 /* SDRAM_TIM_3_SHDW */
175 #define OMAP44XX_REG_T_CKESR_SHDW_SHIFT 21
176 #define OMAP44XX_REG_T_CKESR_SHDW_MASK (0x7 << 21)
177 #define OMAP44XX_REG_ZQ_ZQCS_SHDW_SHIFT 15
178 #define OMAP44XX_REG_ZQ_ZQCS_SHDW_MASK (0x3f << 15)
179 #define OMAP44XX_REG_T_TDQSCKMAX_SHDW_SHIFT 13
180 #define OMAP44XX_REG_T_TDQSCKMAX_SHDW_MASK (0x3 << 13)
181 #define OMAP44XX_REG_T_RFC_SHDW_SHIFT 4
182 #define OMAP44XX_REG_T_RFC_SHDW_MASK (0x1ff << 4)
183 #define OMAP44XX_REG_T_RAS_MAX_SHDW_SHIFT 0
184 #define OMAP44XX_REG_T_RAS_MAX_SHDW_MASK (0xf << 0)
186 /* LPDDR2_NVM_TIM */
187 #define OMAP44XX_REG_NVM_T_XP_SHIFT 28
188 #define OMAP44XX_REG_NVM_T_XP_MASK (0x7 << 28)
189 #define OMAP44XX_REG_NVM_T_WTR_SHIFT 24
190 #define OMAP44XX_REG_NVM_T_WTR_MASK (0x7 << 24)
191 #define OMAP44XX_REG_NVM_T_RP_SHIFT 20
192 #define OMAP44XX_REG_NVM_T_RP_MASK (0xf << 20)
193 #define OMAP44XX_REG_NVM_T_WRA_SHIFT 16
194 #define OMAP44XX_REG_NVM_T_WRA_MASK (0xf << 16)
195 #define OMAP44XX_REG_NVM_T_RRD_SHIFT 8
196 #define OMAP44XX_REG_NVM_T_RRD_MASK (0xff << 8)
197 #define OMAP44XX_REG_NVM_T_RCDMIN_SHIFT 0
198 #define OMAP44XX_REG_NVM_T_RCDMIN_MASK (0xff << 0)
200 /* LPDDR2_NVM_TIM_SHDW */
201 #define OMAP44XX_REG_NVM_T_XP_SHDW_SHIFT 28
202 #define OMAP44XX_REG_NVM_T_XP_SHDW_MASK (0x7 << 28)
203 #define OMAP44XX_REG_NVM_T_WTR_SHDW_SHIFT 24
204 #define OMAP44XX_REG_NVM_T_WTR_SHDW_MASK (0x7 << 24)
205 #define OMAP44XX_REG_NVM_T_RP_SHDW_SHIFT 20
206 #define OMAP44XX_REG_NVM_T_RP_SHDW_MASK (0xf << 20)
207 #define OMAP44XX_REG_NVM_T_WRA_SHDW_SHIFT 16
208 #define OMAP44XX_REG_NVM_T_WRA_SHDW_MASK (0xf << 16)
209 #define OMAP44XX_REG_NVM_T_RRD_SHDW_SHIFT 8
210 #define OMAP44XX_REG_NVM_T_RRD_SHDW_MASK (0xff << 8)
211 #define OMAP44XX_REG_NVM_T_RCDMIN_SHDW_SHIFT 0
212 #define OMAP44XX_REG_NVM_T_RCDMIN_SHDW_MASK (0xff << 0)
214 /* PWR_MGMT_CTRL */
215 #define OMAP44XX_REG_IDLEMODE_SHIFT 30
216 #define OMAP44XX_REG_IDLEMODE_MASK (0x3 << 30)
217 #define OMAP44XX_REG_PD_TIM_SHIFT 12
218 #define OMAP44XX_REG_PD_TIM_MASK (0xf << 12)
219 #define OMAP44XX_REG_DPD_EN_SHIFT 11
220 #define OMAP44XX_REG_DPD_EN_MASK (1 << 11)
221 #define OMAP44XX_REG_LP_MODE_SHIFT 8
222 #define OMAP44XX_REG_LP_MODE_MASK (0x7 << 8)
223 #define OMAP44XX_REG_SR_TIM_SHIFT 4
224 #define OMAP44XX_REG_SR_TIM_MASK (0xf << 4)
225 #define OMAP44XX_REG_CS_TIM_SHIFT 0
226 #define OMAP44XX_REG_CS_TIM_MASK (0xf << 0)
228 /* PWR_MGMT_CTRL_SHDW */
229 #define OMAP44XX_REG_PD_TIM_SHDW_SHIFT 8
230 #define OMAP44XX_REG_PD_TIM_SHDW_MASK (0xf << 8)
231 #define OMAP44XX_REG_SR_TIM_SHDW_SHIFT 4
232 #define OMAP44XX_REG_SR_TIM_SHDW_MASK (0xf << 4)
233 #define OMAP44XX_REG_CS_TIM_SHDW_SHIFT 0
234 #define OMAP44XX_REG_CS_TIM_SHDW_MASK (0xf << 0)
236 /* LPDDR2_MODE_REG_DATA */
237 #define OMAP44XX_REG_VALUE_0_SHIFT 0
238 #define OMAP44XX_REG_VALUE_0_MASK (0x7f << 0)
240 /* LPDDR2_MODE_REG_CFG */
241 #define OMAP44XX_REG_CS_SHIFT 31
242 #define OMAP44XX_REG_CS_MASK (1 << 31)
243 #define OMAP44XX_REG_REFRESH_EN_SHIFT 30
244 #define OMAP44XX_REG_REFRESH_EN_MASK (1 << 30)
245 #define OMAP44XX_REG_ADDRESS_SHIFT 0
246 #define OMAP44XX_REG_ADDRESS_MASK (0xff << 0)
248 /* OCP_CONFIG */
249 #define OMAP44XX_REG_SYS_THRESH_MAX_SHIFT 24
250 #define OMAP44XX_REG_SYS_THRESH_MAX_MASK (0xf << 24)
251 #define OMAP44XX_REG_MPU_THRESH_MAX_SHIFT 20
252 #define OMAP44XX_REG_MPU_THRESH_MAX_MASK (0xf << 20)
253 #define OMAP44XX_REG_LL_THRESH_MAX_SHIFT 16
254 #define OMAP44XX_REG_LL_THRESH_MAX_MASK (0xf << 16)
255 #define OMAP44XX_REG_PR_OLD_COUNT_SHIFT 0
256 #define OMAP44XX_REG_PR_OLD_COUNT_MASK (0xff << 0)
258 /* OCP_CFG_VAL_1 */
259 #define OMAP44XX_REG_SYS_BUS_WIDTH_SHIFT 30
260 #define OMAP44XX_REG_SYS_BUS_WIDTH_MASK (0x3 << 30)
261 #define OMAP44XX_REG_LL_BUS_WIDTH_SHIFT 28
262 #define OMAP44XX_REG_LL_BUS_WIDTH_MASK (0x3 << 28)
263 #define OMAP44XX_REG_WR_FIFO_DEPTH_SHIFT 8
264 #define OMAP44XX_REG_WR_FIFO_DEPTH_MASK (0xff << 8)
265 #define OMAP44XX_REG_CMD_FIFO_DEPTH_SHIFT 0
266 #define OMAP44XX_REG_CMD_FIFO_DEPTH_MASK (0xff << 0)
268 /* OCP_CFG_VAL_2 */
269 #define OMAP44XX_REG_RREG_FIFO_DEPTH_SHIFT 16
270 #define OMAP44XX_REG_RREG_FIFO_DEPTH_MASK (0xff << 16)
271 #define OMAP44XX_REG_RSD_FIFO_DEPTH_SHIFT 8
272 #define OMAP44XX_REG_RSD_FIFO_DEPTH_MASK (0xff << 8)
273 #define OMAP44XX_REG_RCMD_FIFO_DEPTH_SHIFT 0
274 #define OMAP44XX_REG_RCMD_FIFO_DEPTH_MASK (0xff << 0)
276 /* IODFT_TLGC */
277 #define OMAP44XX_REG_TLEC_SHIFT 16
278 #define OMAP44XX_REG_TLEC_MASK (0xffff << 16)
279 #define OMAP44XX_REG_MT_SHIFT 14
280 #define OMAP44XX_REG_MT_MASK (1 << 14)
281 #define OMAP44XX_REG_ACT_CAP_EN_SHIFT 13
282 #define OMAP44XX_REG_ACT_CAP_EN_MASK (1 << 13)
283 #define OMAP44XX_REG_OPG_LD_SHIFT 12
284 #define OMAP44XX_REG_OPG_LD_MASK (1 << 12)
285 #define OMAP44XX_REG_RESET_PHY_SHIFT 10
286 #define OMAP44XX_REG_RESET_PHY_MASK (1 << 10)
287 #define OMAP44XX_REG_MMS_SHIFT 8
288 #define OMAP44XX_REG_MMS_MASK (1 << 8)
289 #define OMAP44XX_REG_MC_SHIFT 4
290 #define OMAP44XX_REG_MC_MASK (0x3 << 4)
291 #define OMAP44XX_REG_PC_SHIFT 1
292 #define OMAP44XX_REG_PC_MASK (0x7 << 1)
293 #define OMAP44XX_REG_TM_SHIFT 0
294 #define OMAP44XX_REG_TM_MASK (1 << 0)
296 /* IODFT_CTRL_MISR_RSLT */
297 #define OMAP44XX_REG_DQM_TLMR_SHIFT 16
298 #define OMAP44XX_REG_DQM_TLMR_MASK (0x3ff << 16)
299 #define OMAP44XX_REG_CTL_TLMR_SHIFT 0
300 #define OMAP44XX_REG_CTL_TLMR_MASK (0x7ff << 0)
302 /* IODFT_ADDR_MISR_RSLT */
303 #define OMAP44XX_REG_ADDR_TLMR_SHIFT 0
304 #define OMAP44XX_REG_ADDR_TLMR_MASK (0x1fffff << 0)
306 /* IODFT_DATA_MISR_RSLT_1 */
307 #define OMAP44XX_REG_DATA_TLMR_31_0_SHIFT 0
308 #define OMAP44XX_REG_DATA_TLMR_31_0_MASK (0xffffffff << 0)
310 /* IODFT_DATA_MISR_RSLT_2 */
311 #define OMAP44XX_REG_DATA_TLMR_63_32_SHIFT 0
312 #define OMAP44XX_REG_DATA_TLMR_63_32_MASK (0xffffffff << 0)
314 /* IODFT_DATA_MISR_RSLT_3 */
315 #define OMAP44XX_REG_DATA_TLMR_66_64_SHIFT 0
316 #define OMAP44XX_REG_DATA_TLMR_66_64_MASK (0x7 << 0)
318 /* PERF_CNT_1 */
319 #define OMAP44XX_REG_COUNTER1_SHIFT 0
320 #define OMAP44XX_REG_COUNTER1_MASK (0xffffffff << 0)
322 /* PERF_CNT_2 */
323 #define OMAP44XX_REG_COUNTER2_SHIFT 0
324 #define OMAP44XX_REG_COUNTER2_MASK (0xffffffff << 0)
326 /* PERF_CNT_CFG */
327 #define OMAP44XX_REG_CNTR2_MCONNID_EN_SHIFT 31
328 #define OMAP44XX_REG_CNTR2_MCONNID_EN_MASK (1 << 31)
329 #define OMAP44XX_REG_CNTR2_REGION_EN_SHIFT 30
330 #define OMAP44XX_REG_CNTR2_REGION_EN_MASK (1 << 30)
331 #define OMAP44XX_REG_CNTR2_CFG_SHIFT 16
332 #define OMAP44XX_REG_CNTR2_CFG_MASK (0xf << 16)
333 #define OMAP44XX_REG_CNTR1_MCONNID_EN_SHIFT 15
334 #define OMAP44XX_REG_CNTR1_MCONNID_EN_MASK (1 << 15)
335 #define OMAP44XX_REG_CNTR1_REGION_EN_SHIFT 14
336 #define OMAP44XX_REG_CNTR1_REGION_EN_MASK (1 << 14)
337 #define OMAP44XX_REG_CNTR1_CFG_SHIFT 0
338 #define OMAP44XX_REG_CNTR1_CFG_MASK (0xf << 0)
340 /* PERF_CNT_SEL */
341 #define OMAP44XX_REG_MCONNID2_SHIFT 24
342 #define OMAP44XX_REG_MCONNID2_MASK (0xff << 24)
343 #define OMAP44XX_REG_REGION_SEL2_SHIFT 16
344 #define OMAP44XX_REG_REGION_SEL2_MASK (0x3 << 16)
345 #define OMAP44XX_REG_MCONNID1_SHIFT 8
346 #define OMAP44XX_REG_MCONNID1_MASK (0xff << 8)
347 #define OMAP44XX_REG_REGION_SEL1_SHIFT 0
348 #define OMAP44XX_REG_REGION_SEL1_MASK (0x3 << 0)
350 /* PERF_CNT_TIM */
351 #define OMAP44XX_REG_TOTAL_TIME_SHIFT 0
352 #define OMAP44XX_REG_TOTAL_TIME_MASK (0xffffffff << 0)
354 /* READ_IDLE_CTRL */
355 #define OMAP44XX_REG_READ_IDLE_LEN_SHIFT 16
356 #define OMAP44XX_REG_READ_IDLE_LEN_MASK (0xf << 16)
357 #define OMAP44XX_REG_READ_IDLE_INTERVAL_SHIFT 0
358 #define OMAP44XX_REG_READ_IDLE_INTERVAL_MASK (0x1ff << 0)
360 /* READ_IDLE_CTRL_SHDW */
361 #define OMAP44XX_REG_READ_IDLE_LEN_SHDW_SHIFT 16
362 #define OMAP44XX_REG_READ_IDLE_LEN_SHDW_MASK (0xf << 16)
363 #define OMAP44XX_REG_READ_IDLE_INTERVAL_SHDW_SHIFT 0
364 #define OMAP44XX_REG_READ_IDLE_INTERVAL_SHDW_MASK (0x1ff << 0)
366 /* IRQ_EOI */
367 #define OMAP44XX_REG_EOI_SHIFT 0
368 #define OMAP44XX_REG_EOI_MASK (1 << 0)
370 /* IRQSTATUS_RAW_SYS */
371 #define OMAP44XX_REG_DNV_SYS_SHIFT 2
372 #define OMAP44XX_REG_DNV_SYS_MASK (1 << 2)
373 #define OMAP44XX_REG_TA_SYS_SHIFT 1
374 #define OMAP44XX_REG_TA_SYS_MASK (1 << 1)
375 #define OMAP44XX_REG_ERR_SYS_SHIFT 0
376 #define OMAP44XX_REG_ERR_SYS_MASK (1 << 0)
378 /* IRQSTATUS_RAW_LL */
379 #define OMAP44XX_REG_DNV_LL_SHIFT 2
380 #define OMAP44XX_REG_DNV_LL_MASK (1 << 2)
381 #define OMAP44XX_REG_TA_LL_SHIFT 1
382 #define OMAP44XX_REG_TA_LL_MASK (1 << 1)
383 #define OMAP44XX_REG_ERR_LL_SHIFT 0
384 #define OMAP44XX_REG_ERR_LL_MASK (1 << 0)
386 /* IRQSTATUS_SYS */
388 /* IRQSTATUS_LL */
390 /* IRQENABLE_SET_SYS */
391 #define OMAP44XX_REG_EN_DNV_SYS_SHIFT 2
392 #define OMAP44XX_REG_EN_DNV_SYS_MASK (1 << 2)
393 #define OMAP44XX_REG_EN_TA_SYS_SHIFT 1
394 #define OMAP44XX_REG_EN_TA_SYS_MASK (1 << 1)
395 #define OMAP44XX_REG_EN_ERR_SYS_SHIFT 0
396 #define OMAP44XX_REG_EN_ERR_SYS_MASK (1 << 0)
398 /* IRQENABLE_SET_LL */
399 #define OMAP44XX_REG_EN_DNV_LL_SHIFT 2
400 #define OMAP44XX_REG_EN_DNV_LL_MASK (1 << 2)
401 #define OMAP44XX_REG_EN_TA_LL_SHIFT 1
402 #define OMAP44XX_REG_EN_TA_LL_MASK (1 << 1)
403 #define OMAP44XX_REG_EN_ERR_LL_SHIFT 0
404 #define OMAP44XX_REG_EN_ERR_LL_MASK (1 << 0)
406 /* IRQENABLE_CLR_SYS */
408 /* IRQENABLE_CLR_LL */
410 /* ZQ_CONFIG */
411 #define OMAP44XX_REG_ZQ_CS1EN_SHIFT 31
412 #define OMAP44XX_REG_ZQ_CS1EN_MASK (1 << 31)
413 #define OMAP44XX_REG_ZQ_CS0EN_SHIFT 30
414 #define OMAP44XX_REG_ZQ_CS0EN_MASK (1 << 30)
415 #define OMAP44XX_REG_ZQ_DUALCALEN_SHIFT 29
416 #define OMAP44XX_REG_ZQ_DUALCALEN_MASK (1 << 29)
417 #define OMAP44XX_REG_ZQ_SFEXITEN_SHIFT 28
418 #define OMAP44XX_REG_ZQ_SFEXITEN_MASK (1 << 28)
419 #define OMAP44XX_REG_ZQ_ZQINIT_MULT_SHIFT 18
420 #define OMAP44XX_REG_ZQ_ZQINIT_MULT_MASK (0x3 << 18)
421 #define OMAP44XX_REG_ZQ_ZQCL_MULT_SHIFT 16
422 #define OMAP44XX_REG_ZQ_ZQCL_MULT_MASK (0x3 << 16)
423 #define OMAP44XX_REG_ZQ_REFINTERVAL_SHIFT 0
424 #define OMAP44XX_REG_ZQ_REFINTERVAL_MASK (0xffff << 0)
426 /* TEMP_ALERT_CONFIG */
427 #define OMAP44XX_REG_TA_CS1EN_SHIFT 31
428 #define OMAP44XX_REG_TA_CS1EN_MASK (1 << 31)
429 #define OMAP44XX_REG_TA_CS0EN_SHIFT 30
430 #define OMAP44XX_REG_TA_CS0EN_MASK (1 << 30)
431 #define OMAP44XX_REG_TA_SFEXITEN_SHIFT 28
432 #define OMAP44XX_REG_TA_SFEXITEN_MASK (1 << 28)
433 #define OMAP44XX_REG_TA_DEVWDT_SHIFT 26
434 #define OMAP44XX_REG_TA_DEVWDT_MASK (0x3 << 26)
435 #define OMAP44XX_REG_TA_DEVCNT_SHIFT 24
436 #define OMAP44XX_REG_TA_DEVCNT_MASK (0x3 << 24)
437 #define OMAP44XX_REG_TA_REFINTERVAL_SHIFT 0
438 #define OMAP44XX_REG_TA_REFINTERVAL_MASK (0x3fffff << 0)
440 /* OCP_ERR_LOG */
441 #define OMAP44XX_REG_MADDRSPACE_SHIFT 14
442 #define OMAP44XX_REG_MADDRSPACE_MASK (0x3 << 14)
443 #define OMAP44XX_REG_MBURSTSEQ_SHIFT 11
444 #define OMAP44XX_REG_MBURSTSEQ_MASK (0x7 << 11)
445 #define OMAP44XX_REG_MCMD_SHIFT 8
446 #define OMAP44XX_REG_MCMD_MASK (0x7 << 8)
447 #define OMAP44XX_REG_MCONNID_SHIFT 0
448 #define OMAP44XX_REG_MCONNID_MASK (0xff << 0)
450 /* DDR_PHY_CTRL_1 */
451 #define OMAP44XX_REG_DDR_PHY_CTRL_1_SHIFT 4
452 #define OMAP44XX_REG_DDR_PHY_CTRL_1_MASK (0xfffffff << 4)
453 #define OMAP44XX_REG_READ_LATENCY_SHIFT 0
454 #define OMAP44XX_REG_READ_LATENCY_MASK (0xf << 0)
455 #define OMAP44XX_REG_DLL_SLAVE_DLY_CTRL_SHIFT 4
456 #define OMAP44XX_REG_DLL_SLAVE_DLY_CTRL_MASK (0xFF << 4)
457 #define OMAP44XX_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHIFT 12
458 #define OMAP44XX_EMIF_DDR_PHY_CTRL_1_BASE_VAL_MASK (0xFFFFF << 12)
460 /* DDR_PHY_CTRL_1_SHDW */
461 #define OMAP44XX_REG_DDR_PHY_CTRL_1_SHDW_SHIFT 4
462 #define OMAP44XX_REG_DDR_PHY_CTRL_1_SHDW_MASK (0xfffffff << 4)
463 #define OMAP44XX_REG_READ_LATENCY_SHDW_SHIFT 0
464 #define OMAP44XX_REG_READ_LATENCY_SHDW_MASK (0xf << 0)
465 #define OMAP44XX_REG_DLL_SLAVE_DLY_CTRL_SHDW_SHIFT 4
466 #define OMAP44XX_REG_DLL_SLAVE_DLY_CTRL_SHDW_MASK (0xFF << 4)
467 #define OMAP44XX_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHDW_SHIFT 12
468 #define OMAP44XX_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHDW_MASK (0xFFFFF << 12)
470 /* DDR_PHY_CTRL_2 */
471 #define OMAP44XX_REG_DDR_PHY_CTRL_2_SHIFT 0
472 #define OMAP44XX_REG_DDR_PHY_CTRL_2_MASK (0xffffffff << 0)
474 /* DMM */
475 #define OMAP44XX_DMM_LISA_MAP_BASE 0x4E000040
477 /* Memory Adapter (4460 onwards) */
478 #define OMAP44XX_MA_LISA_MAP_BASE 0x482AF040
480 /* DMM_LISA_MAP */
481 #define OMAP44XX_SYS_ADDR_SHIFT 24
482 #define OMAP44XX_SYS_ADDR_MASK (0xff << 24)
483 #define OMAP44XX_SYS_SIZE_SHIFT 20
484 #define OMAP44XX_SYS_SIZE_MASK (0x7 << 20)
485 #define OMAP44XX_SDRC_INTL_SHIFT 18
486 #define OMAP44XX_SDRC_INTL_MASK (0x3 << 18)
487 #define OMAP44XX_SDRC_ADDRSPC_SHIFT 16
488 #define OMAP44XX_SDRC_ADDRSPC_MASK (0x3 << 16)
489 #define OMAP44XX_SDRC_MAP_SHIFT 8
490 #define OMAP44XX_SDRC_MAP_MASK (0x3 << 8)
491 #define OMAP44XX_SDRC_ADDR_SHIFT 0
492 #define OMAP44XX_SDRC_ADDR_MASK (0xff << 0)
494 /* DMM_LISA_MAP fields */
495 #define DMM_SDRC_MAP_UNMAPPED 0
496 #define DMM_SDRC_MAP_EMIF1_ONLY 1
497 #define DMM_SDRC_MAP_EMIF2_ONLY 2
498 #define DMM_SDRC_MAP_EMIF1_AND_EMIF2 3
500 #define DMM_SDRC_INTL_NONE 0
501 #define DMM_SDRC_INTL_128B 1
502 #define DMM_SDRC_INTL_256B 2
503 #define DMM_SDRC_INTL_512 3
505 #define DMM_SDRC_ADDR_SPC_SDRAM 0
506 #define DMM_SDRC_ADDR_SPC_NVM 1
507 #define DMM_SDRC_ADDR_SPC_INVALID 2
509 #define DMM_LISA_MAP_INTERLEAVED_BASE_VAL (\
510 (DMM_SDRC_MAP_EMIF1_AND_EMIF2 << OMAP44XX_SDRC_MAP_SHIFT) |\
511 (DMM_SDRC_ADDR_SPC_SDRAM << OMAP44XX_SDRC_ADDRSPC_SHIFT) |\
512 (DMM_SDRC_INTL_128B << OMAP44XX_SDRC_INTL_SHIFT) |\
513 (CONFIG_SYS_SDRAM_BASE << OMAP44XX_SYS_ADDR_SHIFT))
515 #define DMM_LISA_MAP_EMIF1_ONLY_BASE_VAL (\
516 (DMM_SDRC_MAP_EMIF1_ONLY << OMAP44XX_SDRC_MAP_SHIFT)|\
517 (DMM_SDRC_ADDR_SPC_SDRAM << OMAP44XX_SDRC_ADDRSPC_SHIFT)|\
518 (DMM_SDRC_INTL_NONE << OMAP44XX_SDRC_INTL_SHIFT))
520 #define DMM_LISA_MAP_EMIF2_ONLY_BASE_VAL (\
521 (DMM_SDRC_MAP_EMIF2_ONLY << OMAP44XX_SDRC_MAP_SHIFT)|\
522 (DMM_SDRC_ADDR_SPC_SDRAM << OMAP44XX_SDRC_ADDRSPC_SHIFT)|\
523 (DMM_SDRC_INTL_NONE << OMAP44XX_SDRC_INTL_SHIFT))
525 /* Trap for invalid TILER PAT entries */
526 #define DMM_LISA_MAP_0_INVAL_ADDR_TRAP (\
527 (0 << OMAP44XX_SDRC_ADDR_SHIFT) |\
528 (DMM_SDRC_MAP_EMIF1_ONLY << OMAP44XX_SDRC_MAP_SHIFT)|\
529 (DMM_SDRC_ADDR_SPC_INVALID << OMAP44XX_SDRC_ADDRSPC_SHIFT)|\
530 (DMM_SDRC_INTL_NONE << OMAP44XX_SDRC_INTL_SHIFT)|\
531 (0xFF << OMAP44XX_SYS_ADDR_SHIFT))
534 /* Reg mapping structure */
535 struct emif_reg_struct {
536 u32 emif_mod_id_rev;
537 u32 emif_status;
538 u32 emif_sdram_config;
539 u32 emif_lpddr2_nvm_config;
540 u32 emif_sdram_ref_ctrl;
541 u32 emif_sdram_ref_ctrl_shdw;
542 u32 emif_sdram_tim_1;
543 u32 emif_sdram_tim_1_shdw;
544 u32 emif_sdram_tim_2;
545 u32 emif_sdram_tim_2_shdw;
546 u32 emif_sdram_tim_3;
547 u32 emif_sdram_tim_3_shdw;
548 u32 emif_lpddr2_nvm_tim;
549 u32 emif_lpddr2_nvm_tim_shdw;
550 u32 emif_pwr_mgmt_ctrl;
551 u32 emif_pwr_mgmt_ctrl_shdw;
552 u32 emif_lpddr2_mode_reg_data;
553 u32 padding1[1];
554 u32 emif_lpddr2_mode_reg_data_es2;
555 u32 padding11[1];
556 u32 emif_lpddr2_mode_reg_cfg;
557 u32 emif_l3_config;
558 u32 emif_l3_cfg_val_1;
559 u32 emif_l3_cfg_val_2;
560 u32 emif_iodft_tlgc;
561 u32 padding2[7];
562 u32 emif_perf_cnt_1;
563 u32 emif_perf_cnt_2;
564 u32 emif_perf_cnt_cfg;
565 u32 emif_perf_cnt_sel;
566 u32 emif_perf_cnt_tim;
567 u32 padding3;
568 u32 emif_read_idlectrl;
569 u32 emif_read_idlectrl_shdw;
570 u32 padding4;
571 u32 emif_irqstatus_raw_sys;
572 u32 emif_irqstatus_raw_ll;
573 u32 emif_irqstatus_sys;
574 u32 emif_irqstatus_ll;
575 u32 emif_irqenable_set_sys;
576 u32 emif_irqenable_set_ll;
577 u32 emif_irqenable_clr_sys;
578 u32 emif_irqenable_clr_ll;
579 u32 padding5;
580 u32 emif_zq_config;
581 u32 emif_temp_alert_config;
582 u32 emif_l3_err_log;
583 u32 padding6[4];
584 u32 emif_ddr_phy_ctrl_1;
585 u32 emif_ddr_phy_ctrl_1_shdw;
586 u32 emif_ddr_phy_ctrl_2;
587 };
589 struct dmm_lisa_map_regs {
590 u32 dmm_lisa_map_0;
591 u32 dmm_lisa_map_1;
592 u32 dmm_lisa_map_2;
593 u32 dmm_lisa_map_3;
594 };
596 #define CS0 0
597 #define CS1 1
598 /* The maximum frequency at which the LPDDR2 interface can operate in Hz*/
599 #define MAX_LPDDR2_FREQ 400000000 /* 400 MHz */
601 /*
602 * The period of DDR clk is represented as numerator and denominator for
603 * better accuracy in integer based calculations. However, if the numerator
604 * and denominator are very huge there may be chances of overflow in
605 * calculations. So, as a trade-off keep denominator(and consequently
606 * numerator) within a limit sacrificing some accuracy - but not much
607 * If denominator and numerator are already small (such as at 400 MHz)
608 * no adjustment is needed
609 */
610 #define EMIF_PERIOD_DEN_LIMIT 1000
611 /*
612 * Maximum number of different frequencies supported by EMIF driver
613 * Determines the number of entries in the pointer array for register
614 * cache
615 */
616 #define EMIF_MAX_NUM_FREQUENCIES 6
617 /*
618 * Indices into the Addressing Table array.
619 * One entry each for all the different types of devices with different
620 * addressing schemes
621 */
622 #define ADDR_TABLE_INDEX64M 0
623 #define ADDR_TABLE_INDEX128M 1
624 #define ADDR_TABLE_INDEX256M 2
625 #define ADDR_TABLE_INDEX512M 3
626 #define ADDR_TABLE_INDEX1GS4 4
627 #define ADDR_TABLE_INDEX2GS4 5
628 #define ADDR_TABLE_INDEX4G 6
629 #define ADDR_TABLE_INDEX8G 7
630 #define ADDR_TABLE_INDEX1GS2 8
631 #define ADDR_TABLE_INDEX2GS2 9
632 #define ADDR_TABLE_INDEXMAX 10
634 /* Number of Row bits */
635 #define ROW_9 0
636 #define ROW_10 1
637 #define ROW_11 2
638 #define ROW_12 3
639 #define ROW_13 4
640 #define ROW_14 5
641 #define ROW_15 6
642 #define ROW_16 7
644 /* Number of Column bits */
645 #define COL_8 0
646 #define COL_9 1
647 #define COL_10 2
648 #define COL_11 3
649 #define COL_7 4 /*Not supported by OMAP included for completeness */
651 /* Number of Banks*/
652 #define BANKS1 0
653 #define BANKS2 1
654 #define BANKS4 2
655 #define BANKS8 3
657 /* Refresh rate in micro seconds x 10 */
658 #define T_REFI_15_6 156
659 #define T_REFI_7_8 78
660 #define T_REFI_3_9 39
662 #define EBANK_CS1_DIS 0
663 #define EBANK_CS1_EN 1
665 /* Read Latency used by the device at reset */
666 #define RL_BOOT 3
667 /* Read Latency for the highest frequency you want to use */
668 #define RL_FINAL 6
670 /* Interleaving policies at EMIF level- between banks and Chip Selects */
671 #define EMIF_INTERLEAVING_POLICY_MAX_INTERLEAVING 0
672 #define EMIF_INTERLEAVING_POLICY_NO_BANK_INTERLEAVING 3
674 /*
675 * Interleaving policy to be used
676 * Currently set to MAX interleaving for better performance
677 */
678 #define EMIF_INTERLEAVING_POLICY EMIF_INTERLEAVING_POLICY_MAX_INTERLEAVING
680 /* State of the core voltage:
681 * This is important for some parameters such as read idle control and
682 * ZQ calibration timings. Timings are much stricter when voltage ramp
683 * is happening compared to when the voltage is stable.
684 * We need to calculate two sets of values for these parameters and use
685 * them accordingly
686 */
687 #define LPDDR2_VOLTAGE_STABLE 0
688 #define LPDDR2_VOLTAGE_RAMPING 1
690 /* Length of the forced read idle period in terms of cycles */
691 #define EMIF_REG_READ_IDLE_LEN_VAL 5
693 /* Interval between forced 'read idles' */
694 /* To be used when voltage is changed for DPS/DVFS - 1us */
695 #define READ_IDLE_INTERVAL_DVFS (1*1000)
696 /*
697 * To be used when voltage is not scaled except by Smart Reflex
698 * 50us - or maximum value will do
699 */
700 #define READ_IDLE_INTERVAL_NORMAL (50*1000)
703 /*
704 * Unless voltage is changing due to DVFS one ZQCS command every 50ms should
705 * be enough. This shoule be enough also in the case when voltage is changing
706 * due to smart-reflex.
707 */
708 #define EMIF_ZQCS_INTERVAL_NORMAL_IN_US (50*1000)
709 /*
710 * If voltage is changing due to DVFS ZQCS should be performed more
711 * often(every 50us)
712 */
713 #define EMIF_ZQCS_INTERVAL_DVFS_IN_US 50
715 /* The interval between ZQCL commands as a multiple of ZQCS interval */
716 #define REG_ZQ_ZQCL_MULT 4
717 /* The interval between ZQINIT commands as a multiple of ZQCL interval */
718 #define REG_ZQ_ZQINIT_MULT 3
719 /* Enable ZQ Calibration on exiting Self-refresh */
720 #define REG_ZQ_SFEXITEN_ENABLE 1
721 /*
722 * ZQ Calibration simultaneously on both chip-selects:
723 * Needs one calibration resistor per CS
724 * None of the boards that we know of have this capability
725 * So disabled by default
726 */
727 #define REG_ZQ_DUALCALEN_DISABLE 0
728 /*
729 * Enable ZQ Calibration by default on CS0. If we are asked to program
730 * the EMIF there will be something connected to CS0 for sure
731 */
732 #define REG_ZQ_CS0EN_ENABLE 1
734 /* EMIF_PWR_MGMT_CTRL register */
735 /* Low power modes */
736 #define LP_MODE_DISABLE 0
737 #define LP_MODE_CLOCK_STOP 1
738 #define LP_MODE_SELF_REFRESH 2
739 #define LP_MODE_PWR_DN 3
741 /* REG_DPD_EN */
742 #define DPD_DISABLE 0
743 #define DPD_ENABLE 1
745 /* Maximum delay before Low Power Modes */
746 #define REG_CS_TIM 0xF
747 #define REG_SR_TIM 0xF
748 #define REG_PD_TIM 0xF
750 /* EMIF_PWR_MGMT_CTRL register */
751 #define EMIF_PWR_MGMT_CTRL (\
752 ((REG_CS_TIM << OMAP44XX_REG_CS_TIM_SHIFT) & OMAP44XX_REG_CS_TIM_MASK)|\
753 ((REG_SR_TIM << OMAP44XX_REG_SR_TIM_SHIFT) & OMAP44XX_REG_SR_TIM_MASK)|\
754 ((REG_PD_TIM << OMAP44XX_REG_PD_TIM_SHIFT) & OMAP44XX_REG_PD_TIM_MASK)|\
755 ((REG_PD_TIM << OMAP44XX_REG_PD_TIM_SHIFT) & OMAP44XX_REG_PD_TIM_MASK)|\
756 ((LP_MODE_DISABLE << OMAP44XX_REG_LP_MODE_SHIFT)\
757 & OMAP44XX_REG_LP_MODE_MASK) |\
758 ((DPD_DISABLE << OMAP44XX_REG_DPD_EN_SHIFT)\
759 & OMAP44XX_REG_DPD_EN_MASK))\
761 #define EMIF_PWR_MGMT_CTRL_SHDW (\
762 ((REG_CS_TIM << OMAP44XX_REG_CS_TIM_SHDW_SHIFT)\
763 & OMAP44XX_REG_CS_TIM_SHDW_MASK) |\
764 ((REG_SR_TIM << OMAP44XX_REG_SR_TIM_SHDW_SHIFT)\
765 & OMAP44XX_REG_SR_TIM_SHDW_MASK) |\
766 ((REG_PD_TIM << OMAP44XX_REG_PD_TIM_SHDW_SHIFT)\
767 & OMAP44XX_REG_PD_TIM_SHDW_MASK) |\
768 ((REG_PD_TIM << OMAP44XX_REG_PD_TIM_SHDW_SHIFT)\
769 & OMAP44XX_REG_PD_TIM_SHDW_MASK))
771 /* EMIF_L3_CONFIG register value */
772 #define EMIF_L3_CONFIG_VAL_SYS_10_LL_0 0x0A0000FF
773 #define EMIF_L3_CONFIG_VAL_SYS_10_MPU_3_LL_0 0x0A300000
774 /*
775 * Value of bits 12:31 of DDR_PHY_CTRL_1 register:
776 * All these fields have magic values dependent on frequency and
777 * determined by PHY and DLL integration with EMIF. Setting the magic
778 * values suggested by hw team.
779 */
780 #define EMIF_DDR_PHY_CTRL_1_BASE_VAL 0x049FF
781 #define EMIF_DLL_SLAVE_DLY_CTRL_400_MHZ 0x41
782 #define EMIF_DLL_SLAVE_DLY_CTRL_200_MHZ 0x80
783 #define EMIF_DLL_SLAVE_DLY_CTRL_100_MHZ_AND_LESS 0xFF
785 /*
786 * MR1 value:
787 * Burst length : 8
788 * Burst type : sequential
789 * Wrap : enabled
790 * nWR : 3(default). EMIF does not do pre-charge.
791 * : So nWR is don't care
792 */
793 #define MR1_BL_8_BT_SEQ_WRAP_EN_NWR_3 0x23
795 /* MR2 */
796 #define MR2_RL3_WL1 1
797 #define MR2_RL4_WL2 2
798 #define MR2_RL5_WL2 3
799 #define MR2_RL6_WL3 4
801 /* MR10: ZQ calibration codes */
802 #define MR10_ZQ_ZQCS 0x56
803 #define MR10_ZQ_ZQCL 0xAB
804 #define MR10_ZQ_ZQINIT 0xFF
805 #define MR10_ZQ_ZQRESET 0xC3
807 /* TEMP_ALERT_CONFIG */
808 #define TEMP_ALERT_POLL_INTERVAL_MS 360 /* for temp gradient - 5 C/s */
809 #define TEMP_ALERT_CONFIG_DEVCT_1 0
810 #define TEMP_ALERT_CONFIG_DEVWDT_32 2
812 /* MR16 value: refresh full array(no partial array self refresh) */
813 #define MR16_REF_FULL_ARRAY 0
815 /*
816 * Maximum number of entries we keep in our array of timing tables
817 * We need not keep all the speed bins supported by the device
818 * We need to keep timing tables for only the speed bins that we
819 * are interested in
820 */
821 #define MAX_NUM_SPEEDBINS 4
823 /* LPDDR2 Densities */
824 #define LPDDR2_DENSITY_64Mb 0
825 #define LPDDR2_DENSITY_128Mb 1
826 #define LPDDR2_DENSITY_256Mb 2
827 #define LPDDR2_DENSITY_512Mb 3
828 #define LPDDR2_DENSITY_1Gb 4
829 #define LPDDR2_DENSITY_2Gb 5
830 #define LPDDR2_DENSITY_4Gb 6
831 #define LPDDR2_DENSITY_8Gb 7
832 #define LPDDR2_DENSITY_16Gb 8
833 #define LPDDR2_DENSITY_32Gb 9
835 /* LPDDR2 type */
836 #define LPDDR2_TYPE_S4 0
837 #define LPDDR2_TYPE_S2 1
838 #define LPDDR2_TYPE_NVM 2
840 /* LPDDR2 IO width */
841 #define LPDDR2_IO_WIDTH_32 0
842 #define LPDDR2_IO_WIDTH_16 1
843 #define LPDDR2_IO_WIDTH_8 2
845 /* Mode register numbers */
846 #define LPDDR2_MR0 0
847 #define LPDDR2_MR1 1
848 #define LPDDR2_MR2 2
849 #define LPDDR2_MR3 3
850 #define LPDDR2_MR4 4
851 #define LPDDR2_MR5 5
852 #define LPDDR2_MR6 6
853 #define LPDDR2_MR7 7
854 #define LPDDR2_MR8 8
855 #define LPDDR2_MR9 9
856 #define LPDDR2_MR10 10
857 #define LPDDR2_MR11 11
858 #define LPDDR2_MR16 16
859 #define LPDDR2_MR17 17
860 #define LPDDR2_MR18 18
862 /* MR0 */
863 #define LPDDR2_MR0_DAI_SHIFT 0
864 #define LPDDR2_MR0_DAI_MASK 1
865 #define LPDDR2_MR0_DI_SHIFT 1
866 #define LPDDR2_MR0_DI_MASK (1 << 1)
867 #define LPDDR2_MR0_DNVI_SHIFT 2
868 #define LPDDR2_MR0_DNVI_MASK (1 << 2)
870 /* MR4 */
871 #define MR4_SDRAM_REF_RATE_SHIFT 0
872 #define MR4_SDRAM_REF_RATE_MASK 7
873 #define MR4_TUF_SHIFT 7
874 #define MR4_TUF_MASK (1 << 7)
876 /* MR4 SDRAM Refresh Rate field values */
877 #define SDRAM_TEMP_LESS_LOW_SHUTDOWN 0x0
878 #define SDRAM_TEMP_LESS_4X_REFRESH_AND_TIMINGS 0x1
879 #define SDRAM_TEMP_LESS_2X_REFRESH_AND_TIMINGS 0x2
880 #define SDRAM_TEMP_NOMINAL 0x3
881 #define SDRAM_TEMP_RESERVED_4 0x4
882 #define SDRAM_TEMP_HIGH_DERATE_REFRESH 0x5
883 #define SDRAM_TEMP_HIGH_DERATE_REFRESH_AND_TIMINGS 0x6
884 #define SDRAM_TEMP_VERY_HIGH_SHUTDOWN 0x7
886 #define LPDDR2_MANUFACTURER_SAMSUNG 1
887 #define LPDDR2_MANUFACTURER_QIMONDA 2
888 #define LPDDR2_MANUFACTURER_ELPIDA 3
889 #define LPDDR2_MANUFACTURER_ETRON 4
890 #define LPDDR2_MANUFACTURER_NANYA 5
891 #define LPDDR2_MANUFACTURER_HYNIX 6
892 #define LPDDR2_MANUFACTURER_MOSEL 7
893 #define LPDDR2_MANUFACTURER_WINBOND 8
894 #define LPDDR2_MANUFACTURER_ESMT 9
895 #define LPDDR2_MANUFACTURER_SPANSION 11
896 #define LPDDR2_MANUFACTURER_SST 12
897 #define LPDDR2_MANUFACTURER_ZMOS 13
898 #define LPDDR2_MANUFACTURER_INTEL 14
899 #define LPDDR2_MANUFACTURER_NUMONYX 254
900 #define LPDDR2_MANUFACTURER_MICRON 255
902 /* MR8 register fields */
903 #define MR8_TYPE_SHIFT 0x0
904 #define MR8_TYPE_MASK 0x3
905 #define MR8_DENSITY_SHIFT 0x2
906 #define MR8_DENSITY_MASK (0xF << 0x2)
907 #define MR8_IO_WIDTH_SHIFT 0x6
908 #define MR8_IO_WIDTH_MASK (0x3 << 0x6)
910 struct lpddr2_addressing {
911 u8 num_banks;
912 u8 t_REFI_us_x10;
913 u8 row_sz[2]; /* One entry each for x32 and x16 */
914 u8 col_sz[2]; /* One entry each for x32 and x16 */
915 };
917 /* Structure for timings from the DDR datasheet */
918 struct lpddr2_ac_timings {
919 u32 max_freq;
920 u8 RL;
921 u8 tRPab;
922 u8 tRCD;
923 u8 tWR;
924 u8 tRASmin;
925 u8 tRRD;
926 u8 tWTRx2;
927 u8 tXSR;
928 u8 tXPx2;
929 u8 tRFCab;
930 u8 tRTPx2;
931 u8 tCKE;
932 u8 tCKESR;
933 u8 tZQCS;
934 u32 tZQCL;
935 u32 tZQINIT;
936 u8 tDQSCKMAXx2;
937 u8 tRASmax;
938 u8 tFAW;
940 };
942 /*
943 * Min tCK values for some of the parameters:
944 * If the calculated clock cycles for the respective parameter is
945 * less than the corresponding min tCK value, we need to set the min
946 * tCK value. This may happen at lower frequencies.
947 */
948 struct lpddr2_min_tck {
949 u32 tRL;
950 u32 tRP_AB;
951 u32 tRCD;
952 u32 tWR;
953 u32 tRAS_MIN;
954 u32 tRRD;
955 u32 tWTR;
956 u32 tXP;
957 u32 tRTP;
958 u8 tCKE;
959 u32 tCKESR;
960 u32 tFAW;
961 };
963 struct lpddr2_device_details {
964 u8 type;
965 u8 density;
966 u8 io_width;
967 u8 manufacturer;
968 };
970 struct lpddr2_device_timings {
971 const struct lpddr2_ac_timings **ac_timings;
972 const struct lpddr2_min_tck *min_tck;
973 };
975 /* Details of the devices connected to each chip-select of an EMIF instance */
976 struct emif_device_details {
977 const struct lpddr2_device_details *cs0_device_details;
978 const struct lpddr2_device_details *cs1_device_details;
979 const struct lpddr2_device_timings *cs0_device_timings;
980 const struct lpddr2_device_timings *cs1_device_timings;
981 };
983 /*
984 * Structure containing shadow of important registers in EMIF
985 * The calculation function fills in this structure to be later used for
986 * initialization and DVFS
987 */
988 struct emif_regs {
989 u32 freq;
990 u32 sdram_config_init;
991 u32 sdram_config;
992 u32 ref_ctrl;
993 u32 sdram_tim1;
994 u32 sdram_tim2;
995 u32 sdram_tim3;
996 u32 read_idle_ctrl;
997 u32 zq_config;
998 u32 temp_alert_config;
999 u32 emif_ddr_phy_ctlr_1_init;
1000 u32 emif_ddr_phy_ctlr_1;
1001 };
1003 /* assert macros */
1004 #if defined(DEBUG)
1005 #define emif_assert(c) ({ if (!(c)) for (;;); })
1006 #else
1007 #define emif_assert(c) ({ if (0) hang(); })
1008 #endif
1010 #ifdef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
1011 void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs);
1012 void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs);
1013 #else
1014 struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs,
1015 struct lpddr2_device_details *lpddr2_dev_details);
1016 void emif_get_device_timings(u32 emif_nr,
1017 const struct lpddr2_device_timings **cs0_device_timings,
1018 const struct lpddr2_device_timings **cs1_device_timings);
1019 #endif
1021 #endif