1 /*
2  * (C) Copyright 2006-2008
3  * Texas Instruments, <www.ti.com>
4  * Richard Woodruff <r-woodruff2@ti.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #ifndef _MEM_H_
26 #define _MEM_H_
27 
28 #define CS0		0x0
29 #define CS1		0x1 /* mirror CS1 regs appear offset 0x30 from CS0 */
30 
31 #ifndef __ASSEMBLY__
32 enum {
33 	STACKED = 0,
34 	IP_DDR = 1,
35 	COMBO_DDR = 2,
36 	IP_SDR = 3,
37 };
38 #endif /* __ASSEMBLY__ */
39 
40 #define EARLY_INIT	1
41 
42 /*
43  * For a full explanation of these registers and values please see
44  * the Technical Reference Manual (TRM) for any of the processors in
45  * this family.
46  */
47 
48 /* Slower full frequency range default timings for x32 operation*/
49 #define SDRC_SHARING	0x00000100
50 #define SDRC_MR_0_SDR	0x00000031
51 
52 /*
53  * SDRC autorefresh control values.  This register consists of autorefresh
54  * enable at bits 0:1 and an autorefresh counter value in bits 8:23.  The
55  * counter is a result of ( tREFI / tCK ) - 50.
56  */
57 #define SDP_3430_SDRC_RFR_CTRL_100MHz	0x0002da01
58 #define SDP_3430_SDRC_RFR_CTRL_133MHz	0x0003de01 /* 7.8us/7.5ns - 50=0x3de */
59 #define SDP_3430_SDRC_RFR_CTRL_165MHz	0x0004e201 /* 7.8us/6ns - 50=0x4e2 */
60 #define SDP_3430_SDRC_RFR_CTRL_200MHz	0x0005e601 /* 7.8us/5ns - 50=0x5e6 */
61 
62 #define DLL_OFFSET		0
63 #define DLL_WRITEDDRCLKX2DIS	1
64 #define DLL_ENADLL		1
65 #define DLL_LOCKDLL		0
66 #define DLL_DLLPHASE_72		0
67 #define DLL_DLLPHASE_90		1
68 
69 /* rkw - need to find of 90/72 degree recommendation for speed like before */
70 #define SDP_SDRC_DLLAB_CTRL	((DLL_ENADLL << 3) | \
71 				(DLL_LOCKDLL << 2) | (DLL_DLLPHASE_90 << 1))
72 
73 /* Helper macros to arrive at value of the SDRC_ACTIM_CTRLA register. */
74 #define ACTIM_CTRLA_TRFC(v)	(((v) & 0x1F) << 27)	/* 31:27 */
75 #define ACTIM_CTRLA_TRC(v)	(((v) & 0x1F) << 22)	/* 26:22 */
76 #define ACTIM_CTRLA_TRAS(v)	(((v) & 0x0F) << 18)	/* 21:18 */
77 #define ACTIM_CTRLA_TRP(v)	(((v) & 0x07) << 15)	/* 17:15 */
78 #define ACTIM_CTRLA_TRCD(v)	(((v) & 0x07) << 12)	/* 14:12 */
79 #define ACTIM_CTRLA_TRRD(v)	(((v) & 0x07) << 9)	/* 11:9  */
80 #define ACTIM_CTRLA_TDPL(v)	(((v) & 0x07) << 6)	/*  8:6  */
81 #define ACTIM_CTRLA_TDAL(v)	(v & 0x1F)		/*  4:0  */
82 
83 #define ACTIM_CTRLA(a,b,c,d,e,f,g,h)		\
84 		ACTIM_CTRLA_TRFC(a)	|	\
85 		ACTIM_CTRLA_TRC(b)	|	\
86 		ACTIM_CTRLA_TRAS(b)	|	\
87 		ACTIM_CTRLA_TRP(d)	|	\
88 		ACTIM_CTRLA_TRCD(e)	|	\
89 		ACTIM_CTRLA_TRRD(f)	|	\
90 		ACTIM_CTRLA_TDPL(g)	|	\
91 		ACTIM_CTRLA_TDAL(h)
92 
93 /* Helper macros to arrive at value of the SDRC_ACTIM_CTRLB register. */
94 #define ACTIM_CTRLB_TWTR(v)	(((v) & 0x03) << 16)	/* 17:16 */
95 #define ACTIM_CTRLB_TCKE(v)	(((v) & 0x07) << 12)	/* 14:12 */
96 #define ACTIM_CTRLB_TXP(v)	(((v) & 0x07) << 8)	/* 10:8  */
97 #define ACTIM_CTRLB_TXSR(v)	(v & 0xFF)		/*  7:0  */
98 
99 #define ACTIM_CTRLB(a,b,c,d)			\
100 		ACTIM_CTRLB_TWTR(a)	|	\
101 		ACTIM_CTRLB_TCKE(b)	|	\
102 		ACTIM_CTRLB_TXP(b)	|	\
103 		ACTIM_CTRLB_TXSR(d)
104 
105 /*
106  * Values used in the MCFG register.  Only values we use today
107  * are defined and the rest can be found in the TRM.  Unless otherwise
108  * noted all fields are one bit.
109  */
110 #define V_MCFG_RAMTYPE_DDR		(0x1)
111 #define V_MCFG_DEEPPD_EN		(0x1 << 3)
112 #define V_MCFG_B32NOT16_32		(0x1 << 4)
113 #define V_MCFG_BANKALLOCATION_RBC	(0x2 << 6)	/* 6:7 */
114 #define V_MCFG_RAMSIZE(a)		((((a)/(1024*1024))/2) << 8) /* 8:17 */
115 #define V_MCFG_ADDRMUXLEGACY_FLEX	(0x1 << 19)
116 #define V_MCFG_CASWIDTH_10B		(0x5 << 20)	/* 20:22 */
117 #define V_MCFG_RASWIDTH(a)		((a) << 24)	/* 24:26 */
118 
119 /* Macro to construct MCFG */
120 #define MCFG(a, b)						\
121 		V_MCFG_RASWIDTH(b) | V_MCFG_CASWIDTH_10B |	\
122 		V_MCFG_ADDRMUXLEGACY_FLEX | V_MCFG_RAMSIZE(a) |	\
123 		V_MCFG_BANKALLOCATION_RBC |			\
124 		V_MCFG_B32NOT16_32 | V_MCFG_DEEPPD_EN | V_MCFG_RAMTYPE_DDR
125 
126 /* Hynix part of AM/DM37xEVM (200MHz optimized) */
127 #define HYNIX_TDAL_200		6
128 #define HYNIX_TDPL_200		3
129 #define HYNIX_TRRD_200		2
130 #define HYNIX_TRCD_200		4
131 #define HYNIX_TRP_200		3
132 #define HYNIX_TRAS_200		8
133 #define HYNIX_TRC_200		11
134 #define HYNIX_TRFC_200		18
135 #define HYNIX_V_ACTIMA_200	\
136 		ACTIM_CTRLA(HYNIX_TRFC_200, HYNIX_TRC_200,	\
137 				HYNIX_TRAS_200, HYNIX_TRP_200,	\
138 				HYNIX_TRCD_200, HYNIX_TRRD_200,	\
139 				HYNIX_TDPL_200, HYNIX_TDAL_200)
140 
141 #define HYNIX_TWTR_200		2
142 #define HYNIX_TCKE_200		1
143 #define HYNIX_TXP_200		1
144 #define HYNIX_XSR_200		28
145 #define HYNIX_V_ACTIMB_200	\
146 		ACTIM_CTRLB(HYNIX_TWTR_200, HYNIX_TCKE_200,	\
147 				HYNIX_TXP_200, HYNIX_XSR_200)
148 
149 #define HYNIX_RASWIDTH_200	0x3
150 #define HYNIX_V_MCFG_200(size)	MCFG((size), HYNIX_RASWIDTH_200)
151 
152 /* Infineon part of 3430SDP (165MHz optimized) 6.06ns */
153 #define INFINEON_TDAL_165	6	/* Twr/Tck + Trp/tck		*/
154 					/* 15/6 + 18/6 = 5.5 -> 6	*/
155 #define INFINEON_TDPL_165	3	/* 15/6 = 2.5 -> 3 (Twr)	*/
156 #define INFINEON_TRRD_165	2	/* 12/6 = 2			*/
157 #define INFINEON_TRCD_165	3	/* 18/6 = 3			*/
158 #define INFINEON_TRP_165	3	/* 18/6 = 3			*/
159 #define INFINEON_TRAS_165	7	/* 42/6 = 7			*/
160 #define INFINEON_TRC_165	10	/* 60/6 = 10			*/
161 #define INFINEON_TRFC_165	12	/* 72/6 = 12			*/
162 
163 #define INFINEON_V_ACTIMA_165	\
164 		ACTIM_CTRLA(INFINEON_TRFC_165, INFINEON_TRC_165,	\
165 				INFINEON_TRAS_165, INFINEON_TRP_165,	\
166 				INFINEON_TRCD_165, INFINEON_TRRD_165,	\
167 				INFINEON_TDPL_165, INFINEON_TDAL_165)
168 
169 #define INFINEON_TWTR_165	1
170 #define INFINEON_TCKE_165	2
171 #define INFINEON_TXP_165	2
172 #define INFINEON_XSR_165	20	/* 120/6 = 20	*/
173 
174 #define INFINEON_V_ACTIMB_165	\
175 		ACTIM_CTRLB(INFINEON_TWTR_165, INFINEON_TCKE_165,	\
176 				INFINEON_TXP_165, INFINEON_XSR_165)
177 
178 /* Micron part of 3430 EVM (165MHz optimized) 6.06ns */
179 #define MICRON_TDAL_165		6	/* Twr/Tck + Trp/tck		*/
180 					/* 15/6 + 18/6 = 5.5 -> 6	*/
181 #define MICRON_TDPL_165		3	/* 15/6 = 2.5 -> 3 (Twr)	*/
182 #define MICRON_TRRD_165		2	/* 12/6 = 2			*/
183 #define MICRON_TRCD_165		3	/* 18/6 = 3			*/
184 #define MICRON_TRP_165		3	/* 18/6 = 3			*/
185 #define MICRON_TRAS_165		7	/* 42/6 = 7			*/
186 #define MICRON_TRC_165		10	/* 60/6 = 10			*/
187 #define MICRON_TRFC_165		21	/* 125/6 = 21			*/
188 
189 #define MICRON_V_ACTIMA_165	\
190 		ACTIM_CTRLA(MICRON_TRFC_165, MICRON_TRC_165,		\
191 				MICRON_TRAS_165, MICRON_TRP_165,	\
192 				MICRON_TRCD_165, MICRON_TRRD_165,	\
193 				MICRON_TDPL_165, MICRON_TDAL_165)
194 
195 #define MICRON_TWTR_165		1
196 #define MICRON_TCKE_165		1
197 #define MICRON_XSR_165		23	/* 138/6 = 23		*/
198 #define MICRON_TXP_165		5	/* 25/6 = 4.1 => ~5	*/
199 
200 #define MICRON_V_ACTIMB_165	\
201 		ACTIM_CTRLB(MICRON_TWTR_165, MICRON_TCKE_165,	\
202 				MICRON_TXP_165,	MICRON_XSR_165)
203 
204 #define MICRON_RASWIDTH_165	0x2
205 #define MICRON_V_MCFG_165(size)	MCFG((size), MICRON_RASWIDTH_165)
206 
207 #define MICRON_BL_165			0x2
208 #define MICRON_SIL_165			0x0
209 #define MICRON_CASL_165			0x3
210 #define MICRON_WBST_165			0x0
211 #define MICRON_V_MR_165			((MICRON_WBST_165 << 9) | \
212 		(MICRON_CASL_165 << 4) | (MICRON_SIL_165 << 3) | \
213 		(MICRON_BL_165))
214 
215 /* Micron part (200MHz optimized) 5 ns */
216 #define MICRON_TDAL_200		6
217 #define MICRON_TDPL_200		3
218 #define MICRON_TRRD_200		2
219 #define MICRON_TRCD_200		3
220 #define MICRON_TRP_200		3
221 #define MICRON_TRAS_200		8
222 #define MICRON_TRC_200		11
223 #define MICRON_TRFC_200		15
224 #define MICRON_V_ACTIMA_200	\
225 		ACTIM_CTRLA(MICRON_TRFC_200, MICRON_TRC_200,		\
226 				MICRON_TRAS_200, MICRON_TRP_200,	\
227 				MICRON_TRCD_200, MICRON_TRRD_200,	\
228 				MICRON_TDPL_200, MICRON_TDAL_200)
229 
230 #define MICRON_TWTR_200		2
231 #define MICRON_TCKE_200		4
232 #define MICRON_TXP_200		2
233 #define MICRON_XSR_200		23
234 #define MICRON_V_ACTIMB_200	\
235 		ACTIM_CTRLB(MICRON_TWTR_200, MICRON_TCKE_200,	\
236 				MICRON_TXP_200,	MICRON_XSR_200)
237 
238 #define MICRON_RASWIDTH_200	0x3
239 #define MICRON_V_MCFG_200(size)	MCFG((size), MICRON_RASWIDTH_200)
240 
241 /* NUMONYX part of IGEP v2 (165MHz optimized) 6.06ns */
242 #define NUMONYX_TDAL_165	6	/* Twr/Tck + Trp/tck		*/
243 					/* 15/6 + 18/6 = 5.5 -> 6	*/
244 #define NUMONYX_TDPL_165	3	/* 15/6 = 2.5 -> 3 (Twr)	*/
245 #define NUMONYX_TRRD_165	2	/* 12/6 = 2			*/
246 #define NUMONYX_TRCD_165	4	/* 22.5/6 = 3.75 -> 4		*/
247 #define NUMONYX_TRP_165		3	/* 18/6 = 3			*/
248 #define NUMONYX_TRAS_165	7	/* 42/6 = 7			*/
249 #define NUMONYX_TRC_165		10	/* 60/6 = 10			*/
250 #define NUMONYX_TRFC_165	24	/* 140/6 = 23.3 -> 24		*/
251 
252 #define NUMONYX_V_ACTIMA_165	\
253 		ACTIM_CTRLA(NUMONYX_TRFC_165, NUMONYX_TRC_165,		\
254 				NUMONYX_TRAS_165, NUMONYX_TRP_165,	\
255 				NUMONYX_TRCD_165, NUMONYX_TRRD_165,	\
256 				NUMONYX_TDPL_165, NUMONYX_TDAL_165)
257 
258 #define NUMONYX_TWTR_165	2
259 #define NUMONYX_TCKE_165	2
260 #define NUMONYX_TXP_165		3	/* 200/6 =  33.3 -> 34	*/
261 #define NUMONYX_XSR_165		34	/* 1.0 + 1.1 = 2.1 -> 3	*/
262 
263 #define NUMONYX_V_ACTIMB_165	\
264 		ACTIM_CTRLB(NUMONYX_TWTR_165, NUMONYX_TCKE_165,	\
265 				NUMONYX_TXP_165, NUMONYX_XSR_165)
266 
267 #define NUMONYX_RASWIDTH_165		0x4
268 #define NUMONYX_V_MCFG_165(size)	MCFG((size), NUMONYX_RASWIDTH_165)
269 
270 /*
271  * GPMC settings -
272  * Definitions is as per the following format
273  * #define <PART>_GPMC_CONFIG<x> <value>
274  * Where:
275  * PART is the part name e.g. STNOR - Intel Strata Flash
276  * x is GPMC config registers from 1 to 6 (there will be 6 macros)
277  * Value is corresponding value
278  *
279  * For every valid PRCM configuration there should be only one definition of
280  * the same. if values are independent of the board, this definition will be
281  * present in this file if values are dependent on the board, then this should
282  * go into corresponding mem-boardName.h file
283  *
284  * Currently valid part Names are (PART):
285  * STNOR - Intel Strata Flash
286  * SMNAND - Samsung NAND
287  * MPDB - H4 MPDB board
288  * SBNOR - Sibley NOR
289  * MNAND - Micron Large page x16 NAND
290  * ONNAND - Samsung One NAND
291  *
292  * include/configs/file.h contains the defn - for all CS we are interested
293  * #define OMAP34XX_GPMC_CSx PART
294  * #define OMAP34XX_GPMC_CSx_SIZE Size
295  * #define OMAP34XX_GPMC_CSx_MAP Map
296  * Where:
297  * x - CS number
298  * PART - Part Name as defined above
299  * SIZE - how big is the mapping to be
300  *   GPMC_SIZE_128M - 0x8
301  *   GPMC_SIZE_64M  - 0xC
302  *   GPMC_SIZE_32M  - 0xE
303  *   GPMC_SIZE_16M  - 0xF
304  * MAP  - Map this CS to which address(GPMC address space)- Absolute address
305  *   >>24 before being used.
306  */
307 #define GPMC_SIZE_128M	0x8
308 #define GPMC_SIZE_64M	0xC
309 #define GPMC_SIZE_32M	0xE
310 #define GPMC_SIZE_16M	0xF
311 
312 #define GPMC_BASEADDR_MASK	0x3F
313 
314 #define GPMC_CS_ENABLE		0x1
315 
316 #define SMNAND_GPMC_CONFIG1	0x00000800
317 #define SMNAND_GPMC_CONFIG2	0x00141400
318 #define SMNAND_GPMC_CONFIG3	0x00141400
319 #define SMNAND_GPMC_CONFIG4	0x0F010F01
320 #define SMNAND_GPMC_CONFIG5	0x010C1414
321 #define SMNAND_GPMC_CONFIG6	0x1F0F0A80
322 #define SMNAND_GPMC_CONFIG7	0x00000C44
323 
324 #define M_NAND_GPMC_CONFIG1	0x00001800
325 #define M_NAND_GPMC_CONFIG2	0x00141400
326 #define M_NAND_GPMC_CONFIG3	0x00141400
327 #define M_NAND_GPMC_CONFIG4	0x0F010F01
328 #define M_NAND_GPMC_CONFIG5	0x010C1414
329 #define M_NAND_GPMC_CONFIG6	0x1f0f0A80
330 #define M_NAND_GPMC_CONFIG7	0x00000C44
331 
332 #define STNOR_GPMC_CONFIG1	0x3
333 #define STNOR_GPMC_CONFIG2	0x00151501
334 #define STNOR_GPMC_CONFIG3	0x00060602
335 #define STNOR_GPMC_CONFIG4	0x11091109
336 #define STNOR_GPMC_CONFIG5	0x01141F1F
337 #define STNOR_GPMC_CONFIG6	0x000004c4
338 
339 #define SIBNOR_GPMC_CONFIG1	0x1200
340 #define SIBNOR_GPMC_CONFIG2	0x001f1f00
341 #define SIBNOR_GPMC_CONFIG3	0x00080802
342 #define SIBNOR_GPMC_CONFIG4	0x1C091C09
343 #define SIBNOR_GPMC_CONFIG5	0x01131F1F
344 #define SIBNOR_GPMC_CONFIG6	0x1F0F03C2
345 
346 #define SDPV2_MPDB_GPMC_CONFIG1	0x00611200
347 #define SDPV2_MPDB_GPMC_CONFIG2	0x001F1F01
348 #define SDPV2_MPDB_GPMC_CONFIG3	0x00080803
349 #define SDPV2_MPDB_GPMC_CONFIG4	0x1D091D09
350 #define SDPV2_MPDB_GPMC_CONFIG5	0x041D1F1F
351 #define SDPV2_MPDB_GPMC_CONFIG6	0x1D0904C4
352 
353 #define MPDB_GPMC_CONFIG1	0x00011000
354 #define MPDB_GPMC_CONFIG2	0x001f1f01
355 #define MPDB_GPMC_CONFIG3	0x00080803
356 #define MPDB_GPMC_CONFIG4	0x1c0b1c0a
357 #define MPDB_GPMC_CONFIG5	0x041f1F1F
358 #define MPDB_GPMC_CONFIG6	0x1F0F04C4
359 
360 #define P2_GPMC_CONFIG1	0x0
361 #define P2_GPMC_CONFIG2	0x0
362 #define P2_GPMC_CONFIG3	0x0
363 #define P2_GPMC_CONFIG4	0x0
364 #define P2_GPMC_CONFIG5	0x0
365 #define P2_GPMC_CONFIG6	0x0
366 
367 #define ONENAND_GPMC_CONFIG1	0x00001200
368 #define ONENAND_GPMC_CONFIG2	0x000F0F01
369 #define ONENAND_GPMC_CONFIG3	0x00030301
370 #define ONENAND_GPMC_CONFIG4	0x0F040F04
371 #define ONENAND_GPMC_CONFIG5	0x010F1010
372 #define ONENAND_GPMC_CONFIG6	0x1F060000
373 
374 #define NET_GPMC_CONFIG1	0x00001000
375 #define NET_GPMC_CONFIG2	0x001e1e01
376 #define NET_GPMC_CONFIG3	0x00080300
377 #define NET_GPMC_CONFIG4	0x1c091c09
378 #define NET_GPMC_CONFIG5	0x04181f1f
379 #define NET_GPMC_CONFIG6	0x00000FCF
380 #define NET_GPMC_CONFIG7	0x00000f6c
381 
382 /* max number of GPMC Chip Selects */
383 #define GPMC_MAX_CS	8
384 /* max number of GPMC regs */
385 #define GPMC_MAX_REG	7
386 
387 #define PISMO1_NOR	1
388 #define PISMO1_NAND	2
389 #define PISMO2_CS0	3
390 #define PISMO2_CS1	4
391 #define PISMO1_ONENAND	5
392 #define DBG_MPDB	6
393 #define PISMO2_NAND_CS0 7
394 #define PISMO2_NAND_CS1 8
395 
396 /* make it readable for the gpmc_init */
397 #define PISMO1_NOR_BASE		FLASH_BASE
398 #define PISMO1_NAND_BASE	NAND_BASE
399 #define PISMO2_CS0_BASE		PISMO2_MAP1
400 #define PISMO1_ONEN_BASE	ONENAND_MAP
401 #define DBG_MPDB_BASE		DEBUG_BASE
402 
403 #ifndef __ASSEMBLY__
404 
405 /* Function prototypes */
406 void mem_init(void);
407 
408 u32 is_mem_sdr(void);
409 u32 mem_ok(u32 cs);
410 
411 u32 get_sdr_cs_size(u32);
412 u32 get_sdr_cs_offset(u32);
413 
414 #endif	/* __ASSEMBLY__ */
415 
416 #endif /* endif _MEM_H_ */
417