1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * ddr_defs.h
4  *
5  * ddr specific header
6  *
7  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
8  */
9 
10 #ifndef _DDR_DEFS_H
11 #define _DDR_DEFS_H
12 
13 #include <asm/arch/hardware.h>
14 #include <asm/emif.h>
15 
16 /* AM335X EMIF Register values */
17 #define VTP_CTRL_READY		(0x1 << 5)
18 #define VTP_CTRL_ENABLE		(0x1 << 6)
19 #define VTP_CTRL_START_EN	(0x1)
20 #ifdef CONFIG_AM43XX
21 #define DDR_CKE_CTRL_NORMAL	0x3
22 #else
23 #define DDR_CKE_CTRL_NORMAL	0x1
24 #endif
25 #define PHY_EN_DYN_PWRDN	(0x1 << 20)
26 
27 /* Micron MT47H128M16RT-25E */
28 #define MT47H128M16RT25E_EMIF_READ_LATENCY	0x100005
29 #define MT47H128M16RT25E_EMIF_TIM1		0x0666B3C9
30 #define MT47H128M16RT25E_EMIF_TIM2		0x243631CA
31 #define MT47H128M16RT25E_EMIF_TIM3		0x0000033F
32 #define MT47H128M16RT25E_EMIF_SDCFG		0x41805332
33 #define MT47H128M16RT25E_EMIF_SDREF		0x0000081a
34 #define MT47H128M16RT25E_RATIO			0x80
35 #define MT47H128M16RT25E_RD_DQS			0x12
36 #define MT47H128M16RT25E_PHY_WR_DATA		0x40
37 #define MT47H128M16RT25E_PHY_FIFO_WE		0x80
38 #define MT47H128M16RT25E_IOCTRL_VALUE		0x18B
39 
40 /* Micron MT41J128M16JT-125 */
41 #define MT41J128MJT125_EMIF_READ_LATENCY	0x100006
42 #define MT41J128MJT125_EMIF_TIM1		0x0888A39B
43 #define MT41J128MJT125_EMIF_TIM2		0x26337FDA
44 #define MT41J128MJT125_EMIF_TIM3		0x501F830F
45 #define MT41J128MJT125_EMIF_SDCFG		0x61C04AB2
46 #define MT41J128MJT125_EMIF_SDREF		0x0000093B
47 #define MT41J128MJT125_ZQ_CFG			0x50074BE4
48 #define MT41J128MJT125_RATIO			0x40
49 #define MT41J128MJT125_INVERT_CLKOUT		0x1
50 #define MT41J128MJT125_RD_DQS			0x3B
51 #define MT41J128MJT125_WR_DQS			0x85
52 #define MT41J128MJT125_PHY_WR_DATA		0xC1
53 #define MT41J128MJT125_PHY_FIFO_WE		0x100
54 #define MT41J128MJT125_IOCTRL_VALUE		0x18B
55 
56 /* Micron MT41J128M16JT-125 at 400MHz*/
57 #define MT41J128MJT125_EMIF_READ_LATENCY_400MHz	0x100007
58 #define MT41J128MJT125_EMIF_TIM1_400MHz		0x0AAAD4DB
59 #define MT41J128MJT125_EMIF_TIM2_400MHz		0x26437FDA
60 #define MT41J128MJT125_EMIF_TIM3_400MHz		0x501F83FF
61 #define MT41J128MJT125_EMIF_SDCFG_400MHz	0x61C052B2
62 #define MT41J128MJT125_EMIF_SDREF_400MHz	0x00000C30
63 #define MT41J128MJT125_ZQ_CFG_400MHz		0x50074BE4
64 #define MT41J128MJT125_RATIO_400MHz		0x80
65 #define MT41J128MJT125_INVERT_CLKOUT_400MHz	0x0
66 #define MT41J128MJT125_RD_DQS_400MHz		0x3A
67 #define MT41J128MJT125_WR_DQS_400MHz		0x3B
68 #define MT41J128MJT125_PHY_WR_DATA_400MHz	0x76
69 #define MT41J128MJT125_PHY_FIFO_WE_400MHz	0x96
70 
71 /* Micron MT41K128M16JT-187E */
72 #define MT41K128MJT187E_EMIF_READ_LATENCY	0x06
73 #define MT41K128MJT187E_EMIF_TIM1		0x0888B3DB
74 #define MT41K128MJT187E_EMIF_TIM2		0x36337FDA
75 #define MT41K128MJT187E_EMIF_TIM3		0x501F830F
76 #define MT41K128MJT187E_EMIF_SDCFG		0x61C04AB2
77 #define MT41K128MJT187E_EMIF_SDREF		0x0000093B
78 #define MT41K128MJT187E_ZQ_CFG			0x50074BE4
79 #define MT41K128MJT187E_RATIO			0x40
80 #define MT41K128MJT187E_INVERT_CLKOUT		0x1
81 #define MT41K128MJT187E_RD_DQS			0x3B
82 #define MT41K128MJT187E_WR_DQS			0x85
83 #define MT41K128MJT187E_PHY_WR_DATA		0xC1
84 #define MT41K128MJT187E_PHY_FIFO_WE		0x100
85 #define MT41K128MJT187E_IOCTRL_VALUE		0x18B
86 
87 /* Micron MT41J64M16JT-125 */
88 #define MT41J64MJT125_EMIF_SDCFG		0x61C04A32
89 
90 /* Micron MT41J256M16JT-125 */
91 #define MT41J256MJT125_EMIF_SDCFG		0x61C04B32
92 
93 /* Micron MT41J256M8HX-15E */
94 #define MT41J256M8HX15E_EMIF_READ_LATENCY	0x100006
95 #define MT41J256M8HX15E_EMIF_TIM1		0x0888A39B
96 #define MT41J256M8HX15E_EMIF_TIM2		0x26337FDA
97 #define MT41J256M8HX15E_EMIF_TIM3		0x501F830F
98 #define MT41J256M8HX15E_EMIF_SDCFG		0x61C04B32
99 #define MT41J256M8HX15E_EMIF_SDREF		0x0000093B
100 #define MT41J256M8HX15E_ZQ_CFG			0x50074BE4
101 #define MT41J256M8HX15E_RATIO			0x40
102 #define MT41J256M8HX15E_INVERT_CLKOUT		0x1
103 #define MT41J256M8HX15E_RD_DQS			0x3B
104 #define MT41J256M8HX15E_WR_DQS			0x85
105 #define MT41J256M8HX15E_PHY_WR_DATA		0xC1
106 #define MT41J256M8HX15E_PHY_FIFO_WE		0x100
107 #define MT41J256M8HX15E_IOCTRL_VALUE		0x18B
108 
109 /* Micron MT41K256M16HA-125E */
110 #define MT41K256M16HA125E_EMIF_READ_LATENCY	0x100007
111 #define MT41K256M16HA125E_EMIF_TIM1		0x0AAAD4DB
112 #define MT41K256M16HA125E_EMIF_TIM2		0x266B7FDA
113 #define MT41K256M16HA125E_EMIF_TIM3		0x501F867F
114 #define MT41K256M16HA125E_EMIF_SDCFG		0x61C05332
115 #define MT41K256M16HA125E_EMIF_SDREF		0xC30
116 #define MT41K256M16HA125E_ZQ_CFG		0x50074BE4
117 #define MT41K256M16HA125E_RATIO			0x80
118 #define MT41K256M16HA125E_INVERT_CLKOUT		0x0
119 #define MT41K256M16HA125E_RD_DQS		0x38
120 #define MT41K256M16HA125E_WR_DQS		0x44
121 #define MT41K256M16HA125E_PHY_WR_DATA		0x7D
122 #define MT41K256M16HA125E_PHY_FIFO_WE		0x94
123 #define MT41K256M16HA125E_IOCTRL_VALUE		0x18B
124 
125 /* Micron MT41J512M8RH-125 on EVM v1.5 */
126 #define MT41J512M8RH125_EMIF_READ_LATENCY	0x100006
127 #define MT41J512M8RH125_EMIF_TIM1		0x0888A39B
128 #define MT41J512M8RH125_EMIF_TIM2		0x26517FDA
129 #define MT41J512M8RH125_EMIF_TIM3		0x501F84EF
130 #define MT41J512M8RH125_EMIF_SDCFG		0x61C04BB2
131 #define MT41J512M8RH125_EMIF_SDREF		0x0000093B
132 #define MT41J512M8RH125_ZQ_CFG			0x50074BE4
133 #define MT41J512M8RH125_RATIO			0x80
134 #define MT41J512M8RH125_INVERT_CLKOUT		0x0
135 #define MT41J512M8RH125_RD_DQS			0x3B
136 #define MT41J512M8RH125_WR_DQS			0x3C
137 #define MT41J512M8RH125_PHY_FIFO_WE		0xA5
138 #define MT41J512M8RH125_PHY_WR_DATA		0x74
139 #define MT41J512M8RH125_IOCTRL_VALUE		0x18B
140 
141 /* Samsung K4B2G1646E-BIH9 */
142 #define K4B2G1646EBIH9_EMIF_READ_LATENCY	0x100007
143 #define K4B2G1646EBIH9_EMIF_TIM1		0x0AAAE51B
144 #define K4B2G1646EBIH9_EMIF_TIM2		0x2A1D7FDA
145 #define K4B2G1646EBIH9_EMIF_TIM3		0x501F83FF
146 #define K4B2G1646EBIH9_EMIF_SDCFG		0x61C052B2
147 #define K4B2G1646EBIH9_EMIF_SDREF		0x00000C30
148 #define K4B2G1646EBIH9_ZQ_CFG			0x50074BE4
149 #define K4B2G1646EBIH9_RATIO			0x80
150 #define K4B2G1646EBIH9_INVERT_CLKOUT		0x0
151 #define K4B2G1646EBIH9_RD_DQS			0x35
152 #define K4B2G1646EBIH9_WR_DQS			0x3A
153 #define K4B2G1646EBIH9_PHY_FIFO_WE		0x97
154 #define K4B2G1646EBIH9_PHY_WR_DATA		0x76
155 #define K4B2G1646EBIH9_IOCTRL_VALUE		0x18B
156 
157 #define  LPDDR2_ADDRCTRL_IOCTRL_VALUE   0x294
158 #define  LPDDR2_ADDRCTRL_WD0_IOCTRL_VALUE 0x00000000
159 #define  LPDDR2_ADDRCTRL_WD1_IOCTRL_VALUE 0x00000000
160 #define  LPDDR2_DATA0_IOCTRL_VALUE   0x20000294
161 #define  LPDDR2_DATA1_IOCTRL_VALUE   0x20000294
162 #define  LPDDR2_DATA2_IOCTRL_VALUE   0x20000294
163 #define  LPDDR2_DATA3_IOCTRL_VALUE   0x20000294
164 
165 #define  DDR3_ADDRCTRL_WD0_IOCTRL_VALUE 0x00000000
166 #define  DDR3_ADDRCTRL_WD1_IOCTRL_VALUE 0x00000000
167 #define  DDR3_ADDRCTRL_IOCTRL_VALUE   0x84
168 #define  DDR3_DATA0_IOCTRL_VALUE   0x84
169 #define  DDR3_DATA1_IOCTRL_VALUE   0x84
170 #define  DDR3_DATA2_IOCTRL_VALUE   0x84
171 #define  DDR3_DATA3_IOCTRL_VALUE   0x84
172 
173 /**
174  * Configure DMM
175  */
176 void config_dmm(const struct dmm_lisa_map_regs *regs);
177 
178 /**
179  * Configure SDRAM
180  */
181 void config_sdram(const struct emif_regs *regs, int nr);
182 void config_sdram_emif4d5(const struct emif_regs *regs, int nr);
183 
184 /**
185  * Set SDRAM timings
186  */
187 void set_sdram_timings(const struct emif_regs *regs, int nr);
188 
189 /**
190  * Configure DDR PHY
191  */
192 void config_ddr_phy(const struct emif_regs *regs, int nr);
193 
194 struct ddr_cmd_regs {
195 	unsigned int resv0[7];
196 	unsigned int cm0csratio;	/* offset 0x01C */
197 	unsigned int resv1[3];
198 	unsigned int cm0iclkout;	/* offset 0x02C */
199 	unsigned int resv2[8];
200 	unsigned int cm1csratio;	/* offset 0x050 */
201 	unsigned int resv3[3];
202 	unsigned int cm1iclkout;	/* offset 0x060 */
203 	unsigned int resv4[8];
204 	unsigned int cm2csratio;	/* offset 0x084 */
205 	unsigned int resv5[3];
206 	unsigned int cm2iclkout;	/* offset 0x094 */
207 	unsigned int resv6[3];
208 };
209 
210 struct ddr_data_regs {
211 	unsigned int dt0rdsratio0;	/* offset 0x0C8 */
212 	unsigned int resv1[4];
213 	unsigned int dt0wdsratio0;	/* offset 0x0DC */
214 	unsigned int resv2[4];
215 	unsigned int dt0wiratio0;	/* offset 0x0F0 */
216 	unsigned int resv3;
217 	unsigned int dt0wimode0;	/* offset 0x0F8 */
218 	unsigned int dt0giratio0;	/* offset 0x0FC */
219 	unsigned int resv4;
220 	unsigned int dt0gimode0;	/* offset 0x104 */
221 	unsigned int dt0fwsratio0;	/* offset 0x108 */
222 	unsigned int resv5[4];
223 	unsigned int dt0dqoffset;	/* offset 0x11C */
224 	unsigned int dt0wrsratio0;	/* offset 0x120 */
225 	unsigned int resv6[4];
226 	unsigned int dt0rdelays0;	/* offset 0x134 */
227 	unsigned int dt0dldiff0;	/* offset 0x138 */
228 	unsigned int resv7[12];
229 };
230 
231 /**
232  * This structure represents the DDR registers on AM33XX devices.
233  * We make use of DDR_PHY_BASE_ADDR2 to address the DATA1 registers that
234  * correspond to DATA1 registers defined here.
235  */
236 struct ddr_regs {
237 	unsigned int resv0[3];
238 	unsigned int cm0config;		/* offset 0x00C */
239 	unsigned int cm0configclk;	/* offset 0x010 */
240 	unsigned int resv1[2];
241 	unsigned int cm0csratio;	/* offset 0x01C */
242 	unsigned int resv2[3];
243 	unsigned int cm0iclkout;	/* offset 0x02C */
244 	unsigned int resv3[4];
245 	unsigned int cm1config;		/* offset 0x040 */
246 	unsigned int cm1configclk;	/* offset 0x044 */
247 	unsigned int resv4[2];
248 	unsigned int cm1csratio;	/* offset 0x050 */
249 	unsigned int resv5[3];
250 	unsigned int cm1iclkout;	/* offset 0x060 */
251 	unsigned int resv6[4];
252 	unsigned int cm2config;		/* offset 0x074 */
253 	unsigned int cm2configclk;	/* offset 0x078 */
254 	unsigned int resv7[2];
255 	unsigned int cm2csratio;	/* offset 0x084 */
256 	unsigned int resv8[3];
257 	unsigned int cm2iclkout;	/* offset 0x094 */
258 	unsigned int resv9[12];
259 	unsigned int dt0rdsratio0;	/* offset 0x0C8 */
260 	unsigned int resv10[4];
261 	unsigned int dt0wdsratio0;	/* offset 0x0DC */
262 	unsigned int resv11[4];
263 	unsigned int dt0wiratio0;	/* offset 0x0F0 */
264 	unsigned int resv12;
265 	unsigned int dt0wimode0;	/* offset 0x0F8 */
266 	unsigned int dt0giratio0;	/* offset 0x0FC */
267 	unsigned int resv13;
268 	unsigned int dt0gimode0;	/* offset 0x104 */
269 	unsigned int dt0fwsratio0;	/* offset 0x108 */
270 	unsigned int resv14[4];
271 	unsigned int dt0dqoffset;	/* offset 0x11C */
272 	unsigned int dt0wrsratio0;	/* offset 0x120 */
273 	unsigned int resv15[4];
274 	unsigned int dt0rdelays0;	/* offset 0x134 */
275 	unsigned int dt0dldiff0;	/* offset 0x138 */
276 };
277 
278 /**
279  * Encapsulates DDR CMD control registers.
280  */
281 struct cmd_control {
282 	unsigned long cmd0csratio;
283 	unsigned long cmd0csforce;
284 	unsigned long cmd0csdelay;
285 	unsigned long cmd0iclkout;
286 	unsigned long cmd1csratio;
287 	unsigned long cmd1csforce;
288 	unsigned long cmd1csdelay;
289 	unsigned long cmd1iclkout;
290 	unsigned long cmd2csratio;
291 	unsigned long cmd2csforce;
292 	unsigned long cmd2csdelay;
293 	unsigned long cmd2iclkout;
294 };
295 
296 /**
297  * Encapsulates DDR DATA registers.
298  */
299 struct ddr_data {
300 	unsigned long datardsratio0;
301 	unsigned long datawdsratio0;
302 	unsigned long datawiratio0;
303 	unsigned long datagiratio0;
304 	unsigned long datafwsratio0;
305 	unsigned long datawrsratio0;
306 };
307 
308 /**
309  * Configure DDR CMD control registers
310  */
311 void config_cmd_ctrl(const struct cmd_control *cmd, int nr);
312 
313 /**
314  * Configure DDR DATA registers
315  */
316 void config_ddr_data(const struct ddr_data *data, int nr);
317 
318 /**
319  * This structure represents the DDR io control on AM33XX devices.
320  */
321 struct ddr_cmdtctrl {
322 	unsigned int cm0ioctl;
323 	unsigned int cm1ioctl;
324 	unsigned int cm2ioctl;
325 	unsigned int resv2[12];
326 	unsigned int dt0ioctl;
327 	unsigned int dt1ioctl;
328 	unsigned int dt2ioctrl;
329 	unsigned int dt3ioctrl;
330 	unsigned int resv3[4];
331 	unsigned int emif_sdram_config_ext;
332 };
333 
334 struct ctrl_ioregs {
335 	unsigned int cm0ioctl;
336 	unsigned int cm1ioctl;
337 	unsigned int cm2ioctl;
338 	unsigned int dt0ioctl;
339 	unsigned int dt1ioctl;
340 	unsigned int dt2ioctrl;
341 	unsigned int dt3ioctrl;
342 	unsigned int emif_sdram_config_ext;
343 };
344 
345 /**
346  * Configure DDR io control registers
347  */
348 void config_io_ctrl(const struct ctrl_ioregs *ioregs);
349 
350 struct ddr_ctrl {
351 	unsigned int ddrioctrl;
352 	unsigned int resv1[325];
353 	unsigned int ddrckectrl;
354 };
355 
356 #ifdef CONFIG_TI816X
357 void config_ddr(const struct ddr_data *data, const struct cmd_control *ctrl,
358 		const struct emif_regs *regs,
359 		const struct dmm_lisa_map_regs *lisa_regs, int nrs);
360 #else
361 void config_ddr(unsigned int pll, const struct ctrl_ioregs *ioregs,
362 		const struct ddr_data *data, const struct cmd_control *ctrl,
363 		const struct emif_regs *regs, int nr);
364 #endif
365 void emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size);
366 
367 #endif  /* _DDR_DEFS_H */
368