1 /*
2 * Copyright 2018-2020 NXP
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 */
7
8 #include <assert.h>
9 #include <errno.h>
10 #include <stdbool.h>
11 #include <stdint.h>
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <string.h>
15
16 #include <common/debug.h>
17 #include <ddr.h>
18 #include <lib/utils.h>
19 #include <load_img.h>
20
21 #include "plat_common.h"
22 #include <platform_def.h>
23
24 #ifdef CONFIG_STATIC_DDR
25
26 const struct ddr_cfg_regs static_3200 = {
27 .cs[0].bnds = U(0x03FF),
28 .cs[1].bnds = U(0x03FF),
29 .cs[0].config = U(0x80050422),
30 .cs[1].config = U(0x80000422),
31 .cs[2].bnds = U(0x00),
32 .cs[3].bnds = U(0x00),
33 .cs[2].config = U(0x00),
34 .cs[3].config = U(0x00),
35 .timing_cfg[0] = U(0xFFAA0018),
36 .timing_cfg[1] = U(0x646A8844),
37 .timing_cfg[2] = U(0x00058022),
38 .timing_cfg[3] = U(0x13622100),
39 .timing_cfg[4] = U(0x02),
40 .timing_cfg[5] = U(0x07401400),
41 .timing_cfg[7] = U(0x3BB00000),
42 .timing_cfg[8] = U(0x0944AC00),
43 .sdram_cfg[0] = U(0x65044008),
44 .sdram_cfg[1] = U(0x00401011),
45 .sdram_cfg[2] = U(0x00),
46 .sdram_mode[0] = U(0x06010C50),
47 .sdram_mode[1] = U(0x00280400),
48 .sdram_mode[2] = U(0x00),
49 .sdram_mode[3] = U(0x00),
50 .sdram_mode[4] = U(0x00),
51 .sdram_mode[5] = U(0x00),
52 .sdram_mode[6] = U(0x00),
53 .sdram_mode[7] = U(0x00),
54 .sdram_mode[8] = U(0x0500),
55 .sdram_mode[9] = U(0x10240000),
56 .sdram_mode[10] = U(0x00),
57 .sdram_mode[11] = U(0x00),
58 .sdram_mode[12] = U(0x00),
59 .sdram_mode[13] = U(0x00),
60 .sdram_mode[14] = U(0x00),
61 .sdram_mode[15] = U(0x00),
62 .md_cntl = U(0x00),
63 .interval = U(0x30C00000),
64 .data_init = U(0xDEADBEEF),
65 .init_addr = U(0x00),
66 .zq_cntl = U(0x8A090705),
67 .sdram_rcw[0] = U(0x00),
68 .sdram_rcw[1] = U(0x00),
69 .sdram_rcw[2] = U(0x00),
70 .sdram_rcw[3] = U(0x00),
71 .sdram_rcw[4] = U(0x00),
72 .sdram_rcw[5] = U(0x00),
73 .err_disable = U(0x00),
74 .err_int_en = U(0x00),
75 };
76
77 const struct ddr_cfg_regs static_2900 = {
78 .cs[0].bnds = U(0x03FF),
79 .cs[1].bnds = U(0x03FF),
80 .cs[0].config = U(0x80050422),
81 .cs[1].config = U(0x80000422),
82 .cs[2].bnds = U(0x00),
83 .cs[3].bnds = U(0x00),
84 .cs[2].config = U(0x00),
85 .cs[3].config = U(0x00),
86 .timing_cfg[0] = U(0xFF990018),
87 .timing_cfg[1] = U(0x4F4A4844),
88 .timing_cfg[2] = U(0x0005601F),
89 .timing_cfg[3] = U(0x125F2100),
90 .timing_cfg[4] = U(0x02),
91 .timing_cfg[5] = U(0x07401400),
92 .timing_cfg[7] = U(0x3AA00000),
93 .timing_cfg[8] = U(0x09449B00),
94 .sdram_cfg[0] = U(0x65044008),
95 .sdram_cfg[1] = U(0x00401011),
96 .sdram_cfg[2] = U(0x00),
97 .sdram_mode[0] = U(0x06010C50),
98 .sdram_mode[1] = U(0x00280400),
99 .sdram_mode[2] = U(0x00),
100 .sdram_mode[3] = U(0x00),
101 .sdram_mode[4] = U(0x00),
102 .sdram_mode[5] = U(0x00),
103 .sdram_mode[6] = U(0x00),
104 .sdram_mode[7] = U(0x00),
105 .sdram_mode[8] = U(0x0500),
106 .sdram_mode[9] = U(0x10240000),
107 .sdram_mode[10] = U(0x00),
108 .sdram_mode[11] = U(0x00),
109 .sdram_mode[12] = U(0x00),
110 .sdram_mode[13] = U(0x00),
111 .sdram_mode[14] = U(0x00),
112 .sdram_mode[15] = U(0x00),
113 .md_cntl = U(0x00),
114 .interval = U(0x2C2E0000),
115 .data_init = U(0xDEADBEEF),
116 .init_addr = U(0x00),
117 .zq_cntl = U(0x8A090705),
118 .sdram_rcw[0] = U(0x00),
119 .sdram_rcw[1] = U(0x00),
120 .sdram_rcw[2] = U(0x00),
121 .sdram_rcw[3] = U(0x00),
122 .sdram_rcw[4] = U(0x00),
123 .sdram_rcw[5] = U(0x00),
124 .err_disable = U(0x00),
125 .err_int_en = U(0x00),
126 };
127
128 const struct ddr_cfg_regs static_2600 = {
129 .cs[0].bnds = U(0x03FF),
130 .cs[1].bnds = U(0x03FF),
131 .cs[0].config = U(0x80050422),
132 .cs[1].config = U(0x80000422),
133 .cs[2].bnds = U(0x00),
134 .cs[3].bnds = U(0x00),
135 .cs[2].config = U(0x00),
136 .cs[3].config = U(0x00),
137 .timing_cfg[0] = U(0xFF880018),
138 .timing_cfg[1] = U(0x2A24F444),
139 .timing_cfg[2] = U(0x007141DC),
140 .timing_cfg[3] = U(0x125B2100),
141 .timing_cfg[4] = U(0x02),
142 .timing_cfg[5] = U(0x06401400),
143 .timing_cfg[7] = U(0x28800000),
144 .timing_cfg[8] = U(0x07338A00),
145 .sdram_cfg[0] = U(0x65044008),
146 .sdram_cfg[1] = U(0x00401011),
147 .sdram_cfg[2] = U(0x00),
148 .sdram_mode[0] = U(0x06010A70),
149 .sdram_mode[1] = U(0x00200400),
150 .sdram_mode[2] = U(0x00),
151 .sdram_mode[3] = U(0x00),
152 .sdram_mode[4] = U(0x00),
153 .sdram_mode[5] = U(0x00),
154 .sdram_mode[6] = U(0x00),
155 .sdram_mode[7] = U(0x00),
156 .sdram_mode[8] = U(0x0500),
157 .sdram_mode[9] = U(0x0C240000),
158 .sdram_mode[10] = U(0x00),
159 .sdram_mode[11] = U(0x00),
160 .sdram_mode[12] = U(0x00),
161 .sdram_mode[13] = U(0x00),
162 .sdram_mode[14] = U(0x00),
163 .sdram_mode[15] = U(0x00),
164 .md_cntl = U(0x00),
165 .interval = U(0x279C0000),
166 .data_init = U(0xDEADBEEF),
167 .init_addr = U(0x00),
168 .zq_cntl = U(0x8A090705),
169 .sdram_rcw[0] = U(0x00),
170 .sdram_rcw[1] = U(0x00),
171 .sdram_rcw[2] = U(0x00),
172 .sdram_rcw[3] = U(0x00),
173 .sdram_rcw[4] = U(0x00),
174 .sdram_rcw[5] = U(0x00),
175 .err_disable = U(0x00),
176 .err_int_en = U(0x00),
177 };
178
179 const struct dimm_params static_dimm = {
180 .rdimm = U(0),
181 .primary_sdram_width = U(64),
182 .ec_sdram_width = U(8),
183 .n_ranks = U(2),
184 .device_width = U(8),
185 .mirrored_dimm = U(1),
186 };
187
188 /* Sample code using two UDIMM MT18ASF1G72AZ-2G6B1, on each DDR controller */
board_static_ddr(struct ddr_info * priv)189 unsigned long long board_static_ddr(struct ddr_info *priv)
190 {
191 (void)memcpy(&priv->ddr_reg, &static_2900, sizeof(static_2900));
192 (void)memcpy(&priv->dimm, &static_dimm, sizeof(static_dimm));
193 priv->conf.cs_on_dimm[0] = 0x3;
194 ddr_board_options(priv);
195 compute_ddr_phy(priv);
196
197 return ULL(0x400000000);
198 }
199
200 #elif defined(CONFIG_DDR_NODIMM)
201 /*
202 * Sample code to bypass reading SPD. This is a sample, not recommended
203 * for boards with slots. DDR model number: UDIMM MT18ASF1G72AZ-2G6B1.
204 */
205
206 const struct dimm_params ddr_raw_timing = {
207 .n_ranks = U(2),
208 .rank_density = U(4294967296u),
209 .capacity = U(8589934592u),
210 .primary_sdram_width = U(64),
211 .ec_sdram_width = U(8),
212 .device_width = U(8),
213 .die_density = U(0x4),
214 .rdimm = U(0),
215 .mirrored_dimm = U(1),
216 .n_row_addr = U(15),
217 .n_col_addr = U(10),
218 .bank_addr_bits = U(0),
219 .bank_group_bits = U(2),
220 .edc_config = U(2),
221 .burst_lengths_bitmask = U(0x0c),
222 .tckmin_x_ps = 750,
223 .tckmax_ps = 1600,
224 .caslat_x = U(0x00FFFC00),
225 .taa_ps = 13750,
226 .trcd_ps = 13750,
227 .trp_ps = 13750,
228 .tras_ps = 32000,
229 .trc_ps = 457500,
230 .twr_ps = 15000,
231 .trfc1_ps = 260000,
232 .trfc2_ps = 160000,
233 .trfc4_ps = 110000,
234 .tfaw_ps = 21000,
235 .trrds_ps = 3000,
236 .trrdl_ps = 4900,
237 .tccdl_ps = 5000,
238 .refresh_rate_ps = U(7800000),
239 };
240
ddr_get_ddr_params(struct dimm_params * pdimm,struct ddr_conf * conf)241 int ddr_get_ddr_params(struct dimm_params *pdimm,
242 struct ddr_conf *conf)
243 {
244 static const char dimm_model[] = "Fixed DDR on board";
245
246 conf->dimm_in_use[0] = 1; /* Modify accordingly */
247 memcpy(pdimm, &ddr_raw_timing, sizeof(struct dimm_params));
248 memcpy(pdimm->mpart, dimm_model, sizeof(dimm_model) - 1);
249
250 /* valid DIMM mask, change accordingly, together with dimm_on_ctlr. */
251 return 0x5;
252 }
253 #endif /* CONFIG_DDR_NODIMM */
254
ddr_board_options(struct ddr_info * priv)255 int ddr_board_options(struct ddr_info *priv)
256 {
257 struct memctl_opt *popts = &priv->opt;
258 const struct ddr_conf *conf = &priv->conf;
259
260 popts->vref_dimm = U(0x24); /* range 1, 83.4% */
261 popts->rtt_override = 0;
262 popts->rtt_park = U(240);
263 popts->otf_burst_chop_en = 0;
264 popts->burst_length = U(DDR_BL8);
265 popts->trwt_override = U(1);
266 popts->bstopre = U(0); /* auto precharge */
267 popts->addr_hash = 1;
268
269 /* Set ODT impedance on PHY side */
270 switch (conf->cs_on_dimm[1]) {
271 case 0xc: /* Two slots dual rank */
272 case 0x4: /* Two slots single rank, not valid for interleaving */
273 popts->trwt = U(0xf);
274 popts->twrt = U(0x7);
275 popts->trrt = U(0x7);
276 popts->twwt = U(0x7);
277 popts->vref_phy = U(0x6B); /* 83.6% */
278 popts->odt = U(60);
279 popts->phy_tx_impedance = U(28);
280 break;
281 case 0: /* One slot used */
282 default:
283 popts->trwt = U(0x3);
284 popts->twrt = U(0x3);
285 popts->trrt = U(0x3);
286 popts->twwt = U(0x3);
287 popts->vref_phy = U(0x60); /* 75% */
288 popts->odt = U(48);
289 popts->phy_tx_impedance = U(28);
290 break;
291 }
292
293 return 0;
294 }
295
296 #ifdef NXP_WARM_BOOT
init_ddr(uint32_t wrm_bt_flg)297 long long init_ddr(uint32_t wrm_bt_flg)
298 #else
299 long long init_ddr(void)
300 #endif
301 {
302 int spd_addr[] = {0x51U, 0x52U, 0x53U, 0x54U};
303 struct ddr_info info;
304 struct sysinfo sys;
305 long long dram_size;
306
307 zeromem(&sys, sizeof(sys));
308 if (get_clocks(&sys) == 1) {
309 ERROR("System clocks are not set.\n");
310 panic();
311 }
312 debug("platform clock %lu\n", sys.freq_platform);
313 debug("DDR PLL1 %lu\n", sys.freq_ddr_pll0);
314 debug("DDR PLL2 %lu\n", sys.freq_ddr_pll1);
315
316 zeromem(&info, sizeof(info));
317
318 /* Set two DDRC. Unused DDRC will be removed automatically. */
319 info.num_ctlrs = NUM_OF_DDRC;
320 info.spd_addr = spd_addr;
321 info.ddr[0] = (void *)NXP_DDR_ADDR;
322 info.ddr[1] = (void *)NXP_DDR2_ADDR;
323 info.phy[0] = (void *)NXP_DDR_PHY1_ADDR;
324 info.phy[1] = (void *)NXP_DDR_PHY2_ADDR;
325 info.clk = get_ddr_freq(&sys, 0);
326 info.img_loadr = load_img;
327 info.phy_gen2_fw_img_buf = PHY_GEN2_FW_IMAGE_BUFFER;
328 if (info.clk == 0) {
329 info.clk = get_ddr_freq(&sys, 1);
330 }
331 info.dimm_on_ctlr = DDRC_NUM_DIMM;
332
333 info.warm_boot_flag = DDR_WRM_BOOT_NT_SUPPORTED;
334 #ifdef NXP_WARM_BOOT
335 info.warm_boot_flag = DDR_COLD_BOOT;
336 if (wrm_bt_flg != 0U) {
337 info.warm_boot_flag = DDR_WARM_BOOT;
338 } else {
339 info.warm_boot_flag = DDR_COLD_BOOT;
340 }
341 #endif
342
343 dram_size = dram_init(&info
344 #if defined(NXP_HAS_CCN504) || defined(NXP_HAS_CCN508)
345 , NXP_CCN_HN_F_0_ADDR
346 #endif
347 );
348
349
350 if (dram_size < 0) {
351 ERROR("DDR init failed.\n");
352 }
353
354 return dram_size;
355 }
356
