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