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
32 /* Micron MT47H128M16RT-25E */
33 #define MT47H128M16RT25E_EMIF_READ_LATENCY 0x100005
34 #define MT47H128M16RT25E_EMIF_TIM1 0x0666B3C9
35 #define MT47H128M16RT25E_EMIF_TIM2 0x243631CA
36 #define MT47H128M16RT25E_EMIF_TIM3 0x0000033F
37 #define MT47H128M16RT25E_EMIF_SDCFG 0x41805332
38 #define MT47H128M16RT25E_EMIF_SDREF 0x0000081a
39 #define MT47H128M16RT25E_DLL_LOCK_DIFF 0x0
40 #define MT47H128M16RT25E_RATIO 0x80
41 #define MT47H128M16RT25E_INVERT_CLKOUT 0x00
42 #define MT47H128M16RT25E_RD_DQS 0x12
43 #define MT47H128M16RT25E_WR_DQS 0x00
44 #define MT47H128M16RT25E_PHY_WRLVL 0x00
45 #define MT47H128M16RT25E_PHY_GATELVL 0x00
46 #define MT47H128M16RT25E_PHY_WR_DATA 0x40
47 #define MT47H128M16RT25E_PHY_FIFO_WE 0x80
48 #define MT47H128M16RT25E_PHY_RANK0_DELAY 0x1
49 #define MT47H128M16RT25E_IOCTRL_VALUE 0x18B
51 /* Micron MT41J128M16JT-125 */
52 #define MT41J128MJT125_EMIF_READ_LATENCY 0x06
53 #define MT41J128MJT125_EMIF_TIM1 0x0888A39B
54 #define MT41J128MJT125_EMIF_TIM2 0x26337FDA
55 #define MT41J128MJT125_EMIF_TIM3 0x501F830F
56 #define MT41J128MJT125_EMIF_SDCFG 0x61C04AB2
57 #define MT41J128MJT125_EMIF_SDREF 0x0000093B
58 #define MT41J128MJT125_ZQ_CFG 0x50074BE4
59 #define MT41J128MJT125_DLL_LOCK_DIFF 0x1
60 #define MT41J128MJT125_RATIO 0x40
61 #define MT41J128MJT125_INVERT_CLKOUT 0x1
62 #define MT41J128MJT125_RD_DQS 0x3B
63 #define MT41J128MJT125_WR_DQS 0x85
64 #define MT41J128MJT125_PHY_WR_DATA 0xC1
65 #define MT41J128MJT125_PHY_FIFO_WE 0x100
66 #define MT41J128MJT125_IOCTRL_VALUE 0x18B
68 /* Micron MT41J256M8HX-15E */
69 #define MT41J256M8HX15E_EMIF_READ_LATENCY 0x06
70 #define MT41J256M8HX15E_EMIF_TIM1 0x0888A39B
71 #define MT41J256M8HX15E_EMIF_TIM2 0x26337FDA
72 #define MT41J256M8HX15E_EMIF_TIM3 0x501F830F
73 #define MT41J256M8HX15E_EMIF_SDCFG 0x61C04B32
74 #define MT41J256M8HX15E_EMIF_SDREF 0x0000093B
75 #define MT41J256M8HX15E_ZQ_CFG 0x50074BE4
76 #define MT41J256M8HX15E_DLL_LOCK_DIFF 0x1
77 #define MT41J256M8HX15E_RATIO 0x40
78 #define MT41J256M8HX15E_INVERT_CLKOUT 0x1
79 #define MT41J256M8HX15E_RD_DQS 0x3B
80 #define MT41J256M8HX15E_WR_DQS 0x85
81 #define MT41J256M8HX15E_PHY_WR_DATA 0xC1
82 #define MT41J256M8HX15E_PHY_FIFO_WE 0x100
83 #define MT41J256M8HX15E_IOCTRL_VALUE 0x18B
89 void config_sdram(const struct emif_regs *regs);
94 void set_sdram_timings(const struct emif_regs *regs);
99 void config_ddr_phy(const struct emif_regs *regs);
102 * This structure represents the DDR registers on AM33XX devices.
103 * We make use of DDR_PHY_BASE_ADDR2 to address the DATA1 registers that
104 * correspond to DATA1 registers defined here.
107 unsigned int resv0[7];
108 unsigned int cm0csratio; /* offset 0x01C */
109 unsigned int resv1[2];
110 unsigned int cm0dldiff; /* offset 0x028 */
111 unsigned int cm0iclkout; /* offset 0x02C */
112 unsigned int resv2[8];
113 unsigned int cm1csratio; /* offset 0x050 */
114 unsigned int resv3[2];
115 unsigned int cm1dldiff; /* offset 0x05C */
116 unsigned int cm1iclkout; /* offset 0x060 */
117 unsigned int resv4[8];
118 unsigned int cm2csratio; /* offset 0x084 */
119 unsigned int resv5[2];
120 unsigned int cm2dldiff; /* offset 0x090 */
121 unsigned int cm2iclkout; /* offset 0x094 */
122 unsigned int resv6[12];
123 unsigned int dt0rdsratio0; /* offset 0x0C8 */
124 unsigned int resv7[4];
125 unsigned int dt0wdsratio0; /* offset 0x0DC */
126 unsigned int resv8[4];
127 unsigned int dt0wiratio0; /* offset 0x0F0 */
129 unsigned int dt0wimode0; /* offset 0x0F8 */
130 unsigned int dt0giratio0; /* offset 0x0FC */
132 unsigned int dt0gimode0; /* offset 0x104 */
133 unsigned int dt0fwsratio0; /* offset 0x108 */
134 unsigned int resv11[4];
135 unsigned int dt0dqoffset; /* offset 0x11C */
136 unsigned int dt0wrsratio0; /* offset 0x120 */
137 unsigned int resv12[4];
138 unsigned int dt0rdelays0; /* offset 0x134 */
139 unsigned int dt0dldiff0; /* offset 0x138 */
143 * Encapsulates DDR CMD control registers.
146 unsigned long cmd0csratio;
147 unsigned long cmd0csforce;
148 unsigned long cmd0csdelay;
149 unsigned long cmd0dldiff;
150 unsigned long cmd0iclkout;
151 unsigned long cmd1csratio;
152 unsigned long cmd1csforce;
153 unsigned long cmd1csdelay;
154 unsigned long cmd1dldiff;
155 unsigned long cmd1iclkout;
156 unsigned long cmd2csratio;
157 unsigned long cmd2csforce;
158 unsigned long cmd2csdelay;
159 unsigned long cmd2dldiff;
160 unsigned long cmd2iclkout;
164 * Encapsulates DDR DATA registers.
167 unsigned long datardsratio0;
168 unsigned long datawdsratio0;
169 unsigned long datawiratio0;
170 unsigned long datagiratio0;
171 unsigned long datafwsratio0;
172 unsigned long datawrsratio0;
173 unsigned long datauserank0delay;
174 unsigned long datadldiff0;
178 * Configure DDR CMD control registers
180 void config_cmd_ctrl(const struct cmd_control *cmd);
183 * Configure DDR DATA registers
185 void config_ddr_data(int data_macrono, const struct ddr_data *data);
188 * This structure represents the DDR io control on AM33XX devices.
190 struct ddr_cmdtctrl {
191 unsigned int resv1[1];
192 unsigned int cm0ioctl;
193 unsigned int cm1ioctl;
194 unsigned int cm2ioctl;
195 unsigned int resv2[12];
196 unsigned int dt0ioctl;
197 unsigned int dt1ioctl;
201 * Configure DDR io control registers
203 void config_io_ctrl(unsigned long val);
206 unsigned int ddrioctrl;
207 unsigned int resv1[325];
208 unsigned int ddrckectrl;
211 void config_ddr(unsigned int pll, unsigned int ioctrl,
212 const struct ddr_data *data, const struct cmd_control *ctrl,
213 const struct emif_regs *regs);
215 #endif /* _DDR_DEFS_H */