1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * board/renesas/blanche/blanche.c
4 * This file is blanche board support.
5 *
6 * Copyright (C) 2016 Renesas Electronics Corporation
7 */
8
9 #include <common.h>
10 #include <asm/arch/mmc.h>
11 #include <asm/arch/rcar-mstp.h>
12 #include <asm/arch/rmobile.h>
13 #include <asm/arch/sh_sdhi.h>
14 #include <asm/arch/sys_proto.h>
15 #include <asm/gpio.h>
16 #include <asm/io.h>
17 #include <asm/mach-types.h>
18 #include <asm/processor.h>
19 #include <dm.h>
20 #include <dm/platform_data/serial_sh.h>
21 #include <environment.h>
22 #include <i2c.h>
23 #include <linux/errno.h>
24 #include <malloc.h>
25 #include <miiphy.h>
26 #include <mmc.h>
27 #include <netdev.h>
28 #include "qos.h"
29
30 DECLARE_GLOBAL_DATA_PTR;
31
32 #define CPG_PLL1CR 0xE6150028
33 #define CPG_PLL3CR 0xE61500DC
34
35 #define TMU0_MSTP125 BIT(25)
36 #define QSPI_MSTP917 BIT(17)
37
38 struct reg_config {
39 u16 off;
40 u32 val;
41 };
42
blanche_init_sys(void)43 static void blanche_init_sys(void)
44 {
45 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
46 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
47 u32 cpu_type;
48
49 cpu_type = rmobile_get_cpu_type();
50 if (cpu_type == 0x4A) {
51 writel(0x4D000000, CPG_PLL1CR);
52 writel(0x4F000000, CPG_PLL3CR);
53 }
54
55 /* Watchdog init */
56 writel(0xA5A5A500, &rwdt->rwtcsra);
57 writel(0xA5A5A500, &swdt->swtcsra);
58 }
59
blanche_init_pfc(void)60 static void blanche_init_pfc(void)
61 {
62 static const struct reg_config pfc_with_unlock[] = {
63 { 0x0004, 0x0bffffff },
64 { 0x0008, 0x002fffff },
65 { 0x0014, 0x00000fff },
66 { 0x0018, 0x00010fff },
67 { 0x001c, 0x00010fff },
68 { 0x0020, 0x00010fff },
69 { 0x0024, 0x00010fff },
70 { 0x0028, 0x00010fff },
71 { 0x002c, 0x04006000 },
72 { 0x0030, 0x303fefe0 },
73 { 0x0058, 0x0002000e },
74 };
75
76 static const struct reg_config pfc_without_unlock[] = {
77 { 0x0108, 0x00000000 },
78 { 0x010c, 0x0803FF40 },
79 { 0x0110, 0x0000FFFF },
80 { 0x0114, 0x00010FFF },
81 { 0x011c, 0x0001AFFF },
82 { 0x0124, 0x0001CFFF },
83 { 0x0128, 0xC0438001 },
84 { 0x012c, 0x0FC00007 },
85 };
86
87 static const u32 pfc_base = 0xe6060000;
88
89 unsigned int i;
90
91 for (i = 0; i < ARRAY_SIZE(pfc_with_unlock); i++) {
92 writel(~pfc_with_unlock[i].val, pfc_base);
93 writel(pfc_with_unlock[i].val,
94 pfc_base | pfc_with_unlock[i].off);
95 }
96
97 for (i = 0; i < ARRAY_SIZE(pfc_without_unlock); i++)
98 writel(pfc_without_unlock[i].val,
99 pfc_base | pfc_without_unlock[i].off);
100 }
101
blanche_init_lbsc(void)102 static void blanche_init_lbsc(void)
103 {
104 static const struct reg_config lbsc_config[] = {
105 { 0x00, 0x00000020 },
106 { 0x08, 0x00002020 },
107 { 0x30, 0x2a103320 },
108 { 0x38, 0x19102110 },
109 };
110
111 static const u32 lbsc_base = 0xfec00200;
112
113 unsigned int i;
114
115 for (i = 0; i < ARRAY_SIZE(lbsc_config); i++) {
116 writel(lbsc_config[i].val,
117 lbsc_base | lbsc_config[i].off);
118 writel(lbsc_config[i].val,
119 lbsc_base | (lbsc_config[i].off + 4));
120 }
121 }
122
123 #if defined(CONFIG_MTD_NOR_FLASH)
dbsc_wait(u16 reg)124 static void dbsc_wait(u16 reg)
125 {
126 static const u32 dbsc3_0_base = DBSC3_0_BASE;
127
128 while (!(readl(dbsc3_0_base + reg) & BIT(0)))
129 ;
130 }
131
blanche_init_dbsc(void)132 static void blanche_init_dbsc(void)
133 {
134 static const struct reg_config dbsc_config1[] = {
135 { 0x0280, 0x0000a55a },
136 { 0x0018, 0x21000000 },
137 { 0x0018, 0x11000000 },
138 { 0x0018, 0x10000000 },
139 { 0x0290, 0x00000001 },
140 { 0x02a0, 0x80000000 },
141 { 0x0290, 0x00000004 },
142 };
143
144 static const struct reg_config dbsc_config2[] = {
145 { 0x0290, 0x00000006 },
146 { 0x02a0, 0x0001c000 },
147 };
148
149 static const struct reg_config dbsc_config4[] = {
150 { 0x0290, 0x0000000f },
151 { 0x02a0, 0x00181ee4 },
152 { 0x0290, 0x00000010 },
153 { 0x02a0, 0xf00464db },
154 { 0x0290, 0x00000061 },
155 { 0x02a0, 0x0000008d },
156 { 0x0290, 0x00000001 },
157 { 0x02a0, 0x00000073 },
158 { 0x0020, 0x00000007 },
159 { 0x0024, 0x0f030a02 },
160 { 0x0030, 0x00000001 },
161 { 0x00b0, 0x00000000 },
162 { 0x0040, 0x0000000b },
163 { 0x0044, 0x00000008 },
164 { 0x0048, 0x00000000 },
165 { 0x0050, 0x0000000b },
166 { 0x0054, 0x000c000b },
167 { 0x0058, 0x00000027 },
168 { 0x005c, 0x0000001c },
169 { 0x0060, 0x00000006 },
170 { 0x0064, 0x00000020 },
171 { 0x0068, 0x00000008 },
172 { 0x006c, 0x0000000c },
173 { 0x0070, 0x00000009 },
174 { 0x0074, 0x00000012 },
175 { 0x0078, 0x000000d0 },
176 { 0x007c, 0x00140005 },
177 { 0x0080, 0x00050004 },
178 { 0x0084, 0x70233005 },
179 { 0x0088, 0x000c0000 },
180 { 0x008c, 0x00000300 },
181 { 0x0090, 0x00000040 },
182 { 0x0100, 0x00000001 },
183 { 0x00c0, 0x00020001 },
184 { 0x00c8, 0x20082004 },
185 { 0x0380, 0x00020002 },
186 { 0x0390, 0x0000001f },
187 };
188
189 static const struct reg_config dbsc_config5[] = {
190 { 0x0244, 0x00000011 },
191 { 0x0290, 0x00000003 },
192 { 0x02a0, 0x0300c4e1 },
193 { 0x0290, 0x00000023 },
194 { 0x02a0, 0x00fcdb60 },
195 { 0x0290, 0x00000011 },
196 { 0x02a0, 0x1000040b },
197 { 0x0290, 0x00000012 },
198 { 0x02a0, 0x9d9cbb66 },
199 { 0x0290, 0x00000013 },
200 { 0x02a0, 0x1a868400 },
201 { 0x0290, 0x00000014 },
202 { 0x02a0, 0x300214d8 },
203 { 0x0290, 0x00000015 },
204 { 0x02a0, 0x00000d70 },
205 { 0x0290, 0x00000016 },
206 { 0x02a0, 0x00000004 },
207 { 0x0290, 0x00000017 },
208 { 0x02a0, 0x00000018 },
209 { 0x0290, 0x0000001a },
210 { 0x02a0, 0x910035c7 },
211 { 0x0290, 0x00000004 },
212 };
213
214 static const struct reg_config dbsc_config6[] = {
215 { 0x0290, 0x00000001 },
216 { 0x02a0, 0x00000181 },
217 { 0x0018, 0x11000000 },
218 { 0x0290, 0x00000004 },
219 };
220
221 static const struct reg_config dbsc_config7[] = {
222 { 0x0290, 0x00000001 },
223 { 0x02a0, 0x0000fe01 },
224 { 0x0304, 0x00000000 },
225 { 0x00f4, 0x01004c20 },
226 { 0x00f8, 0x014000aa },
227 { 0x00e0, 0x00000140 },
228 { 0x00e4, 0x00081860 },
229 { 0x00e8, 0x00010000 },
230 { 0x0290, 0x00000004 },
231 };
232
233 static const struct reg_config dbsc_config8[] = {
234 { 0x0014, 0x00000001 },
235 { 0x0010, 0x00000001 },
236 { 0x0280, 0x00000000 },
237 };
238
239 static const u32 dbsc3_0_base = DBSC3_0_BASE;
240 unsigned int i;
241
242 for (i = 0; i < ARRAY_SIZE(dbsc_config1); i++)
243 writel(dbsc_config1[i].val, dbsc3_0_base | dbsc_config1[i].off);
244
245 dbsc_wait(0x2a0);
246
247 for (i = 0; i < ARRAY_SIZE(dbsc_config2); i++)
248 writel(dbsc_config2[i].val, dbsc3_0_base | dbsc_config2[i].off);
249
250 for (i = 0; i < ARRAY_SIZE(dbsc_config4); i++)
251 writel(dbsc_config4[i].val, dbsc3_0_base | dbsc_config4[i].off);
252
253 dbsc_wait(0x240);
254
255 for (i = 0; i < ARRAY_SIZE(dbsc_config5); i++)
256 writel(dbsc_config5[i].val, dbsc3_0_base | dbsc_config5[i].off);
257
258 dbsc_wait(0x2a0);
259
260 for (i = 0; i < ARRAY_SIZE(dbsc_config6); i++)
261 writel(dbsc_config6[i].val, dbsc3_0_base | dbsc_config6[i].off);
262
263 dbsc_wait(0x2a0);
264
265 for (i = 0; i < ARRAY_SIZE(dbsc_config7); i++)
266 writel(dbsc_config7[i].val, dbsc3_0_base | dbsc_config7[i].off);
267
268 dbsc_wait(0x2a0);
269
270 for (i = 0; i < ARRAY_SIZE(dbsc_config8); i++)
271 writel(dbsc_config8[i].val, dbsc3_0_base | dbsc_config8[i].off);
272
273 }
274
s_init_wait(volatile unsigned int cnt)275 static void s_init_wait(volatile unsigned int cnt)
276 {
277 volatile u32 i = cnt * 0x10000;
278
279 while (i-- > 0)
280 ;
281 }
282 #endif
283
s_init(void)284 void s_init(void)
285 {
286 blanche_init_sys();
287 qos_init();
288 blanche_init_pfc();
289 blanche_init_lbsc();
290 #if defined(CONFIG_MTD_NOR_FLASH)
291 s_init_wait(10);
292 blanche_init_dbsc();
293 #endif /* CONFIG_MTD_NOR_FLASH */
294 }
295
board_early_init_f(void)296 int board_early_init_f(void)
297 {
298 /* TMU0 */
299 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
300 /* QSPI */
301 mstp_clrbits_le32(MSTPSR9, SMSTPCR9, QSPI_MSTP917);
302
303 return 0;
304 }
305
board_init(void)306 int board_init(void)
307 {
308 /* adress of boot parameters */
309 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
310
311 return 0;
312 }
313
314 /* Added for BLANCHE(R-CarV2H board) */
board_eth_init(bd_t * bis)315 int board_eth_init(bd_t *bis)
316 {
317 int rc = 0;
318
319 #ifdef CONFIG_SMC911X
320 struct eth_device *dev;
321 uchar eth_addr[6];
322
323 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
324
325 if (!eth_env_get_enetaddr("ethaddr", eth_addr)) {
326 dev = eth_get_dev_by_index(0);
327 if (dev) {
328 eth_env_set_enetaddr("ethaddr", dev->enetaddr);
329 } else {
330 printf("blanche: Couldn't get eth device\n");
331 rc = -1;
332 }
333 }
334
335 #endif
336
337 return rc;
338 }
339
dram_init(void)340 int dram_init(void)
341 {
342 if (fdtdec_setup_mem_size_base() != 0)
343 return -EINVAL;
344
345 return 0;
346 }
347
dram_init_banksize(void)348 int dram_init_banksize(void)
349 {
350 fdtdec_setup_memory_banksize();
351
352 return 0;
353 }
354
reset_cpu(ulong addr)355 void reset_cpu(ulong addr)
356 {
357 }
358