2 * Keystone2: DDR3 initialization
4 * (C) Copyright 2012-2014
5 * Texas Instruments Incorporated, <www.ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/ddr3.h>
12 #include <asm/arch/hardware.h>
16 /************************* *****************************/
17 static struct ddr3_phy_config ddr3phy_1600_64A = {
18 .pllcr = 0x0001C000ul,
19 .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
20 .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
23 .ptr2 = 0, /* not set in gel */
26 .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | NOSRA_MASK),
27 .dcr_val = ((1 << 10) | (1 << 27)),
28 .dtpr0 = 0xA19DBB66ul,
29 .dtpr1 = 0x12868300ul,
30 .dtpr2 = 0x50035200ul,
35 .pgcr2 = 0x00F07A12ul,
36 .zq0cr1 = 0x0000005Dul,
37 .zq1cr1 = 0x0000005Bul,
38 .zq2cr1 = 0x0000005Bul,
39 .pir_v1 = 0x00000033ul,
40 .pir_v2 = 0x0000FF81ul,
43 static struct ddr3_emif_config ddr3_1600_64 = {
44 .sdcfg = 0x6200CE6aul,
45 .sdtim1 = 0x16709C55ul,
46 .sdtim2 = 0x00001D4Aul,
47 .sdtim3 = 0x435DFF54ul,
48 .sdtim4 = 0x553F0CFFul,
49 .zqcfg = 0xF0073200ul,
50 .sdrfc = 0x00001869ul,
53 static struct ddr3_phy_config ddr3phy_1600_32 = {
54 .pllcr = 0x0001C000ul,
55 .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
56 .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
59 .ptr2 = 0, /* not set in gel */
62 .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | NOSRA_MASK),
63 .dcr_val = ((1 << 10) | (1 << 27)),
64 .dtpr0 = 0xA19DBB66ul,
65 .dtpr1 = 0x12868300ul,
66 .dtpr2 = 0x50035200ul,
71 .pgcr2 = 0x00F07A12ul,
72 .zq0cr1 = 0x0000005Dul,
73 .zq1cr1 = 0x0000005Bul,
74 .zq2cr1 = 0x0000005Bul,
75 .pir_v1 = 0x00000033ul,
76 .pir_v2 = 0x0000FF81ul,
79 static struct ddr3_emif_config ddr3_1600_32 = {
80 .sdcfg = 0x6200DE6aul,
81 .sdtim1 = 0x16709C55ul,
82 .sdtim2 = 0x00001D4Aul,
83 .sdtim3 = 0x435DFF54ul,
84 .sdtim4 = 0x553F0CFFul,
85 .zqcfg = 0x70073200ul,
86 .sdrfc = 0x00001869ul,
89 /************************* *****************************/
90 static struct ddr3_phy_config ddr3phy_1333_64A = {
91 .pllcr = 0x0005C000ul,
92 .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
93 .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
96 .ptr2 = 0, /* not set in gel */
99 .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK |
100 NOSRA_MASK | UDIMM_MASK),
101 .dcr_val = ((1 << 10) | (1 << 27) | (1 << 29)),
102 .dtpr0 = 0x8558AA55ul,
103 .dtpr1 = 0x12857280ul,
104 .dtpr2 = 0x5002C200ul,
108 .dtcr = 0x710035C7ul,
109 .pgcr2 = 0x00F065B8ul,
110 .zq0cr1 = 0x0000005Dul,
111 .zq1cr1 = 0x0000005Bul,
112 .zq2cr1 = 0x0000005Bul,
113 .pir_v1 = 0x00000033ul,
114 .pir_v2 = 0x0000FF81ul,
117 static struct ddr3_emif_config ddr3_1333_64 = {
118 .sdcfg = 0x62008C62ul,
119 .sdtim1 = 0x125C8044ul,
120 .sdtim2 = 0x00001D29ul,
121 .sdtim3 = 0x32CDFF43ul,
122 .sdtim4 = 0x543F0ADFul,
123 .zqcfg = 0xF0073200ul,
124 .sdrfc = 0x00001457ul,
127 static struct ddr3_phy_config ddr3phy_1333_32 = {
128 .pllcr = 0x0005C000ul,
129 .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
130 .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
131 .ptr0 = 0x42C21590ul,
132 .ptr1 = 0xD05612C0ul,
133 .ptr2 = 0, /* not set in gel */
134 .ptr3 = 0x0B4515C2ul,
135 .ptr4 = 0x0A6E08B4ul,
136 .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK |
137 NOSRA_MASK | UDIMM_MASK),
138 .dcr_val = ((1 << 10) | (1 << 27) | (1 << 29)),
139 .dtpr0 = 0x8558AA55ul,
140 .dtpr1 = 0x12857280ul,
141 .dtpr2 = 0x5002C200ul,
145 .dtcr = 0x710035C7ul,
146 .pgcr2 = 0x00F065B8ul,
147 .zq0cr1 = 0x0000005Dul,
148 .zq1cr1 = 0x0000005Bul,
149 .zq2cr1 = 0x0000005Bul,
150 .pir_v1 = 0x00000033ul,
151 .pir_v2 = 0x0000FF81ul,
154 static struct ddr3_emif_config ddr3_1333_32 = {
155 .sdcfg = 0x62009C62ul,
156 .sdtim1 = 0x125C8044ul,
157 .sdtim2 = 0x00001D29ul,
158 .sdtim3 = 0x32CDFF43ul,
159 .sdtim4 = 0x543F0ADFul,
160 .zqcfg = 0xf0073200ul,
161 .sdrfc = 0x00001457ul,
164 /************************* *****************************/
165 static struct ddr3_phy_config ddr3phy_1333_64 = {
166 .pllcr = 0x0005C000ul,
167 .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
168 .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
169 .ptr0 = 0x42C21590ul,
170 .ptr1 = 0xD05612C0ul,
171 .ptr2 = 0, /* not set in gel */
172 .ptr3 = 0x0B4515C2ul,
173 .ptr4 = 0x0A6E08B4ul,
174 .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | NOSRA_MASK),
175 .dcr_val = ((1 << 10) | (1 << 27)),
176 .dtpr0 = 0x8558AA55ul,
177 .dtpr1 = 0x12857280ul,
178 .dtpr2 = 0x5002C200ul,
182 .dtcr = 0x710035C7ul,
183 .pgcr2 = 0x00F065B8ul,
184 .zq0cr1 = 0x0000005Dul,
185 .zq1cr1 = 0x0000005Bul,
186 .zq2cr1 = 0x0000005Bul,
187 .pir_v1 = 0x00000033ul,
188 .pir_v2 = 0x0000FF81ul,
190 /******************************************************/
192 /* DDR PHY Configs Updated for PG 2.0
193 * zq0,1,2cr1 are updated for PG 2.0 specific configs *_pg2 */
194 static struct ddr3_phy_config ddr3phy_1600_64A_pg2 = {
195 .pllcr = 0x0001C000ul,
196 .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
197 .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
198 .ptr0 = 0x42C21590ul,
199 .ptr1 = 0xD05612C0ul,
200 .ptr2 = 0, /* not set in gel */
201 .ptr3 = 0x0D861A80ul,
202 .ptr4 = 0x0C827100ul,
203 .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK),
204 .dcr_val = ((1 << 10)),
205 .dtpr0 = 0xA19DBB66ul,
206 .dtpr1 = 0x32868300ul,
207 .dtpr2 = 0x50035200ul,
211 .dtcr = 0x730035C7ul,
212 .pgcr2 = 0x00F07A12ul,
213 .zq0cr1 = 0x0001005Dul,
214 .zq1cr1 = 0x0001005Bul,
215 .zq2cr1 = 0x0001005Bul,
216 .pir_v1 = 0x00000033ul,
217 .pir_v2 = 0x0000FF81ul,
220 static struct ddr3_phy_config ddr3phy_1333_64A_pg2 = {
221 .pllcr = 0x0005C000ul,
222 .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
223 .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
224 .ptr0 = 0x42C21590ul,
225 .ptr1 = 0xD05612C0ul,
226 .ptr2 = 0, /* not set in gel */
227 .ptr3 = 0x0B4515C2ul,
228 .ptr4 = 0x0A6E08B4ul,
229 .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK),
230 .dcr_val = ((1 << 10)),
231 .dtpr0 = 0x8558AA55ul,
232 .dtpr1 = 0x32857280ul,
233 .dtpr2 = 0x5002C200ul,
237 .dtcr = 0x710035C7ul,
238 .pgcr2 = 0x00F065B8ul,
239 .zq0cr1 = 0x0001005Dul,
240 .zq1cr1 = 0x0001005Bul,
241 .zq2cr1 = 0x0001005Bul,
242 .pir_v1 = 0x00000033ul,
243 .pir_v2 = 0x0000FF81ul,
246 int get_dimm_params(char *dimm_name)
252 i2c_init(CONFIG_SYS_DAVINCI_I2C_SPEED, CONFIG_SYS_DAVINCI_I2C_SLAVE);
254 old_bus = i2c_get_bus_num();
257 ret = i2c_read(0x53, 0, 1, spd_params, 256);
259 i2c_set_bus_num(old_bus);
264 puts("Cannot read DIMM params\n");
269 * We need to convert spd data to dimm parameters
270 * and to DDR3 EMIF and PHY regirsters values.
271 * For now we just return DIMM type string value.
272 * Caller may use this value to choose appropriate
273 * a pre-set DDR3 configuration
276 strncpy(dimm_name, (char *)&spd_params[0x80], 18);
277 dimm_name[18] = '\0';
282 struct pll_init_data ddr3a_333 = DDR3_PLL_333(A);
283 struct pll_init_data ddr3b_333 = DDR3_PLL_333(B);
284 struct pll_init_data ddr3a_400 = DDR3_PLL_400(A);
285 struct pll_init_data ddr3b_400 = DDR3_PLL_400(B);
291 get_dimm_params(dimm_name);
293 printf("Detected SO-DIMM [%s]\n", dimm_name);
295 if (!strcmp(dimm_name, "18KSF1G72HZ-1G6E2 ")) {
296 init_pll(&ddr3a_400);
297 if (cpu_revision() > 0) {
298 if (cpu_revision() > 1) {
300 /* Reset DDR3A PHY after PLL enabled */
302 ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC,
303 &ddr3phy_1600_64A_pg2);
306 ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC,
310 ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE,
312 printf("DRAM: Capacity 8 GiB (includes reported below)\n");
314 ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1600_32);
315 ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE,
317 printf("DRAM: Capacity 4 GiB (includes reported below)\n");
319 } else if (!strcmp(dimm_name, "SQR-SD3T-2G1333SED")) {
320 init_pll(&ddr3a_333);
321 if (cpu_revision() > 0) {
322 if (cpu_revision() > 1) {
324 /* Reset DDR3A PHY after PLL enabled */
326 ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC,
327 &ddr3phy_1333_64A_pg2);
330 ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC,
333 ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE,
336 ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1333_32);
337 ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE,
341 printf("Unknown SO-DIMM. Cannot configure DDR3\n");
346 init_pll(&ddr3b_333);
347 ddr3_init_ddrphy(KS2_DDR3B_DDRPHYC, &ddr3phy_1333_64);
348 ddr3_init_ddremif(KS2_DDR3B_EMIF_CTRL_BASE, &ddr3_1333_64);