6 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
16 * GNU General Public License for more details.
22 #include <asm/arch/hardware.h>
25 /* AM335X EMIF Register values */
26 #define VTP_CTRL_READY (0x1 << 5)
27 #define VTP_CTRL_ENABLE (0x1 << 6)
28 #define VTP_CTRL_START_EN (0x1)
29 #define PHY_DLL_LOCK_DIFF 0x0
30 #define DDR_CKE_CTRL_NORMAL 0x1
31 #define PHY_EN_DYN_PWRDN (0x1 << 20)
33 /* Micron MT47H128M16RT-25E */
34 #define MT47H128M16RT25E_EMIF_READ_LATENCY 0x100005
35 #define MT47H128M16RT25E_EMIF_TIM1 0x0666B3C9
36 #define MT47H128M16RT25E_EMIF_TIM2 0x243631CA
37 #define MT47H128M16RT25E_EMIF_TIM3 0x0000033F
38 #define MT47H128M16RT25E_EMIF_SDCFG 0x41805332
39 #define MT47H128M16RT25E_EMIF_SDREF 0x0000081a
40 #define MT47H128M16RT25E_DLL_LOCK_DIFF 0x0
41 #define MT47H128M16RT25E_RATIO 0x80
42 #define MT47H128M16RT25E_INVERT_CLKOUT 0x00
43 #define MT47H128M16RT25E_RD_DQS 0x12
44 #define MT47H128M16RT25E_WR_DQS 0x00
45 #define MT47H128M16RT25E_PHY_WRLVL 0x00
46 #define MT47H128M16RT25E_PHY_GATELVL 0x00
47 #define MT47H128M16RT25E_PHY_WR_DATA 0x40
48 #define MT47H128M16RT25E_PHY_FIFO_WE 0x80
49 #define MT47H128M16RT25E_PHY_RANK0_DELAY 0x1
50 #define MT47H128M16RT25E_IOCTRL_VALUE 0x18B
52 /* Micron MT41J128M16JT-125 */
53 #define MT41J128MJT125_EMIF_READ_LATENCY 0x06
54 #define MT41J128MJT125_EMIF_TIM1 0x0888A39B
55 #define MT41J128MJT125_EMIF_TIM2 0x26337FDA
56 #define MT41J128MJT125_EMIF_TIM3 0x501F830F
57 #define MT41J128MJT125_EMIF_SDCFG 0x61C04AB2
58 #define MT41J128MJT125_EMIF_SDREF 0x0000093B
59 #define MT41J128MJT125_ZQ_CFG 0x50074BE4
60 #define MT41J128MJT125_DLL_LOCK_DIFF 0x1
61 #define MT41J128MJT125_RATIO 0x40
62 #define MT41J128MJT125_INVERT_CLKOUT 0x1
63 #define MT41J128MJT125_RD_DQS 0x3B
64 #define MT41J128MJT125_WR_DQS 0x85
65 #define MT41J128MJT125_PHY_WR_DATA 0xC1
66 #define MT41J128MJT125_PHY_FIFO_WE 0x100
67 #define MT41J128MJT125_IOCTRL_VALUE 0x18B
69 /* Micron MT41J256M8HX-15E */
70 #define MT41J256M8HX15E_EMIF_READ_LATENCY 0x06
71 #define MT41J256M8HX15E_EMIF_TIM1 0x0888A39B
72 #define MT41J256M8HX15E_EMIF_TIM2 0x26337FDA
73 #define MT41J256M8HX15E_EMIF_TIM3 0x501F830F
74 #define MT41J256M8HX15E_EMIF_SDCFG 0x61C04B32
75 #define MT41J256M8HX15E_EMIF_SDREF 0x0000093B
76 #define MT41J256M8HX15E_ZQ_CFG 0x50074BE4
77 #define MT41J256M8HX15E_DLL_LOCK_DIFF 0x1
78 #define MT41J256M8HX15E_RATIO 0x40
79 #define MT41J256M8HX15E_INVERT_CLKOUT 0x1
80 #define MT41J256M8HX15E_RD_DQS 0x3B
81 #define MT41J256M8HX15E_WR_DQS 0x85
82 #define MT41J256M8HX15E_PHY_WR_DATA 0xC1
83 #define MT41J256M8HX15E_PHY_FIFO_WE 0x100
84 #define MT41J256M8HX15E_IOCTRL_VALUE 0x18B
86 /* Micron MT41J512M8RH-125 on EVM v1.5 */
87 #define MT41J512M8RH125_EMIF_READ_LATENCY 0x06
88 #define MT41J512M8RH125_EMIF_TIM1 0x0888A39B
89 #define MT41J512M8RH125_EMIF_TIM2 0x26517FDA
90 #define MT41J512M8RH125_EMIF_TIM3 0x501F84EF
91 #define MT41J512M8RH125_EMIF_SDCFG 0x61C04BB2
92 #define MT41J512M8RH125_EMIF_SDREF 0x0000093B
93 #define MT41J512M8RH125_ZQ_CFG 0x50074BE4
94 #define MT41J512M8RH125_DLL_LOCK_DIFF 0x1
95 #define MT41J512M8RH125_RATIO 0x80
96 #define MT41J512M8RH125_INVERT_CLKOUT 0x0
97 #define MT41J512M8RH125_RD_DQS 0x3B
98 #define MT41J512M8RH125_WR_DQS 0x3C
99 #define MT41J512M8RH125_PHY_FIFO_WE 0xA5
100 #define MT41J512M8RH125_PHY_WR_DATA 0x74
101 #define MT41J512M8RH125_IOCTRL_VALUE 0x18B
106 void config_sdram(const struct emif_regs *regs);
111 void set_sdram_timings(const struct emif_regs *regs);
116 void config_ddr_phy(const struct emif_regs *regs);
119 * This structure represents the DDR registers on AM33XX devices.
120 * We make use of DDR_PHY_BASE_ADDR2 to address the DATA1 registers that
121 * correspond to DATA1 registers defined here.
124 unsigned int resv0[7];
125 unsigned int cm0csratio; /* offset 0x01C */
126 unsigned int resv1[2];
127 unsigned int cm0dldiff; /* offset 0x028 */
128 unsigned int cm0iclkout; /* offset 0x02C */
129 unsigned int resv2[8];
130 unsigned int cm1csratio; /* offset 0x050 */
131 unsigned int resv3[2];
132 unsigned int cm1dldiff; /* offset 0x05C */
133 unsigned int cm1iclkout; /* offset 0x060 */
134 unsigned int resv4[8];
135 unsigned int cm2csratio; /* offset 0x084 */
136 unsigned int resv5[2];
137 unsigned int cm2dldiff; /* offset 0x090 */
138 unsigned int cm2iclkout; /* offset 0x094 */
139 unsigned int resv6[12];
140 unsigned int dt0rdsratio0; /* offset 0x0C8 */
141 unsigned int resv7[4];
142 unsigned int dt0wdsratio0; /* offset 0x0DC */
143 unsigned int resv8[4];
144 unsigned int dt0wiratio0; /* offset 0x0F0 */
146 unsigned int dt0wimode0; /* offset 0x0F8 */
147 unsigned int dt0giratio0; /* offset 0x0FC */
149 unsigned int dt0gimode0; /* offset 0x104 */
150 unsigned int dt0fwsratio0; /* offset 0x108 */
151 unsigned int resv11[4];
152 unsigned int dt0dqoffset; /* offset 0x11C */
153 unsigned int dt0wrsratio0; /* offset 0x120 */
154 unsigned int resv12[4];
155 unsigned int dt0rdelays0; /* offset 0x134 */
156 unsigned int dt0dldiff0; /* offset 0x138 */
160 * Encapsulates DDR CMD control registers.
163 unsigned long cmd0csratio;
164 unsigned long cmd0csforce;
165 unsigned long cmd0csdelay;
166 unsigned long cmd0dldiff;
167 unsigned long cmd0iclkout;
168 unsigned long cmd1csratio;
169 unsigned long cmd1csforce;
170 unsigned long cmd1csdelay;
171 unsigned long cmd1dldiff;
172 unsigned long cmd1iclkout;
173 unsigned long cmd2csratio;
174 unsigned long cmd2csforce;
175 unsigned long cmd2csdelay;
176 unsigned long cmd2dldiff;
177 unsigned long cmd2iclkout;
181 * Encapsulates DDR DATA registers.
184 unsigned long datardsratio0;
185 unsigned long datawdsratio0;
186 unsigned long datawiratio0;
187 unsigned long datagiratio0;
188 unsigned long datafwsratio0;
189 unsigned long datawrsratio0;
190 unsigned long datauserank0delay;
191 unsigned long datadldiff0;
195 * Configure DDR CMD control registers
197 void config_cmd_ctrl(const struct cmd_control *cmd);
200 * Configure DDR DATA registers
202 void config_ddr_data(int data_macrono, const struct ddr_data *data);
205 * This structure represents the DDR io control on AM33XX devices.
207 struct ddr_cmdtctrl {
208 unsigned int resv1[1];
209 unsigned int cm0ioctl;
210 unsigned int cm1ioctl;
211 unsigned int cm2ioctl;
212 unsigned int resv2[12];
213 unsigned int dt0ioctl;
214 unsigned int dt1ioctl;
218 * Configure DDR io control registers
220 void config_io_ctrl(unsigned long val);
223 unsigned int ddrioctrl;
224 unsigned int resv1[325];
225 unsigned int ddrckectrl;
228 void config_ddr(unsigned int pll, unsigned int ioctrl,
229 const struct ddr_data *data, const struct cmd_control *ctrl,
230 const struct emif_regs *regs);
232 #endif /* _DDR_DEFS_H */