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83d290c5 1// SPDX-License-Identifier: GPL-2.0
6f107e4c 2/*
3 * board/renesas/blanche/blanche.c
4 * This file is blanche board support.
5 *
6 * Copyright (C) 2016 Renesas Electronics Corporation
6f107e4c 7 */
8
9#include <common.h>
9a3b4ceb 10#include <cpu_func.h>
90526e9f 11#include <net.h>
e9c891ff
MV
12#include <asm/arch/mmc.h>
13#include <asm/arch/rcar-mstp.h>
14#include <asm/arch/rmobile.h>
15#include <asm/arch/sh_sdhi.h>
16#include <asm/arch/sys_proto.h>
17#include <asm/gpio.h>
18#include <asm/io.h>
19#include <asm/mach-types.h>
20#include <asm/processor.h>
6f107e4c 21#include <dm.h>
22#include <dm/platform_data/serial_sh.h>
9fb625ce 23#include <env.h>
4666521d 24#include <hang.h>
e9c891ff 25#include <i2c.h>
1221ce45 26#include <linux/errno.h>
e9c891ff 27#include <malloc.h>
6f107e4c 28#include <miiphy.h>
6f107e4c 29#include <mmc.h>
e9c891ff 30#include <netdev.h>
6f107e4c 31#include "qos.h"
32
33DECLARE_GLOBAL_DATA_PTR;
34
6f107e4c 35#define CPG_PLL1CR 0xE6150028
36#define CPG_PLL3CR 0xE61500DC
37
e9c891ff
MV
38#define TMU0_MSTP125 BIT(25)
39#define QSPI_MSTP917 BIT(17)
6f107e4c 40
e9c891ff
MV
41struct reg_config {
42 u16 off;
43 u32 val;
6f107e4c 44};
45
e9c891ff 46static void blanche_init_sys(void)
6f107e4c 47{
48 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
49 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
50 u32 cpu_type;
51
52 cpu_type = rmobile_get_cpu_type();
53 if (cpu_type == 0x4A) {
54 writel(0x4D000000, CPG_PLL1CR);
55 writel(0x4F000000, CPG_PLL3CR);
56 }
57
58 /* Watchdog init */
59 writel(0xA5A5A500, &rwdt->rwtcsra);
60 writel(0xA5A5A500, &swdt->swtcsra);
e9c891ff 61}
6f107e4c 62
e9c891ff
MV
63static void blanche_init_pfc(void)
64{
65 static const struct reg_config pfc_with_unlock[] = {
66 { 0x0004, 0x0bffffff },
67 { 0x0008, 0x002fffff },
68 { 0x0014, 0x00000fff },
69 { 0x0018, 0x00010fff },
70 { 0x001c, 0x00010fff },
71 { 0x0020, 0x00010fff },
72 { 0x0024, 0x00010fff },
73 { 0x0028, 0x00010fff },
74 { 0x002c, 0x04006000 },
75 { 0x0030, 0x303fefe0 },
76 { 0x0058, 0x0002000e },
77 };
78
79 static const struct reg_config pfc_without_unlock[] = {
80 { 0x0108, 0x00000000 },
81 { 0x010c, 0x0803FF40 },
82 { 0x0110, 0x0000FFFF },
83 { 0x0114, 0x00010FFF },
84 { 0x011c, 0x0001AFFF },
85 { 0x0124, 0x0001CFFF },
86 { 0x0128, 0xC0438001 },
87 { 0x012c, 0x0FC00007 },
88 };
89
90 static const u32 pfc_base = 0xe6060000;
91
92 unsigned int i;
93
94 for (i = 0; i < ARRAY_SIZE(pfc_with_unlock); i++) {
95 writel(~pfc_with_unlock[i].val, pfc_base);
96 writel(pfc_with_unlock[i].val,
97 pfc_base | pfc_with_unlock[i].off);
98 }
99
100 for (i = 0; i < ARRAY_SIZE(pfc_without_unlock); i++)
101 writel(pfc_without_unlock[i].val,
102 pfc_base | pfc_without_unlock[i].off);
103}
6f107e4c 104
e9c891ff
MV
105static void blanche_init_lbsc(void)
106{
107 static const struct reg_config lbsc_config[] = {
108 { 0x00, 0x00000020 },
109 { 0x08, 0x00002020 },
110 { 0x30, 0x2a103320 },
111 { 0x38, 0x19102110 },
112 };
113
114 static const u32 lbsc_base = 0xfec00200;
115
116 unsigned int i;
117
118 for (i = 0; i < ARRAY_SIZE(lbsc_config); i++) {
119 writel(lbsc_config[i].val,
120 lbsc_base | lbsc_config[i].off);
121 writel(lbsc_config[i].val,
122 lbsc_base | (lbsc_config[i].off + 4));
123 }
124}
6f107e4c 125
e856bdcf 126#if defined(CONFIG_MTD_NOR_FLASH)
e9c891ff
MV
127static void dbsc_wait(u16 reg)
128{
129 static const u32 dbsc3_0_base = DBSC3_0_BASE;
6f107e4c 130
e9c891ff
MV
131 while (!(readl(dbsc3_0_base + reg) & BIT(0)))
132 ;
133}
6f107e4c 134
e9c891ff
MV
135static void blanche_init_dbsc(void)
136{
137 static const struct reg_config dbsc_config1[] = {
138 { 0x0280, 0x0000a55a },
139 { 0x0018, 0x21000000 },
140 { 0x0018, 0x11000000 },
141 { 0x0018, 0x10000000 },
142 { 0x0290, 0x00000001 },
143 { 0x02a0, 0x80000000 },
144 { 0x0290, 0x00000004 },
145 };
146
147 static const struct reg_config dbsc_config2[] = {
148 { 0x0290, 0x00000006 },
149 { 0x02a0, 0x0001c000 },
150 };
151
152 static const struct reg_config dbsc_config4[] = {
153 { 0x0290, 0x0000000f },
154 { 0x02a0, 0x00181ee4 },
155 { 0x0290, 0x00000010 },
156 { 0x02a0, 0xf00464db },
157 { 0x0290, 0x00000061 },
158 { 0x02a0, 0x0000008d },
159 { 0x0290, 0x00000001 },
160 { 0x02a0, 0x00000073 },
161 { 0x0020, 0x00000007 },
162 { 0x0024, 0x0f030a02 },
163 { 0x0030, 0x00000001 },
164 { 0x00b0, 0x00000000 },
165 { 0x0040, 0x0000000b },
166 { 0x0044, 0x00000008 },
167 { 0x0048, 0x00000000 },
168 { 0x0050, 0x0000000b },
169 { 0x0054, 0x000c000b },
170 { 0x0058, 0x00000027 },
171 { 0x005c, 0x0000001c },
172 { 0x0060, 0x00000006 },
173 { 0x0064, 0x00000020 },
174 { 0x0068, 0x00000008 },
175 { 0x006c, 0x0000000c },
176 { 0x0070, 0x00000009 },
177 { 0x0074, 0x00000012 },
178 { 0x0078, 0x000000d0 },
179 { 0x007c, 0x00140005 },
180 { 0x0080, 0x00050004 },
181 { 0x0084, 0x70233005 },
182 { 0x0088, 0x000c0000 },
183 { 0x008c, 0x00000300 },
184 { 0x0090, 0x00000040 },
185 { 0x0100, 0x00000001 },
186 { 0x00c0, 0x00020001 },
187 { 0x00c8, 0x20082004 },
188 { 0x0380, 0x00020002 },
189 { 0x0390, 0x0000001f },
190 };
191
192 static const struct reg_config dbsc_config5[] = {
193 { 0x0244, 0x00000011 },
194 { 0x0290, 0x00000003 },
195 { 0x02a0, 0x0300c4e1 },
196 { 0x0290, 0x00000023 },
197 { 0x02a0, 0x00fcdb60 },
198 { 0x0290, 0x00000011 },
199 { 0x02a0, 0x1000040b },
200 { 0x0290, 0x00000012 },
201 { 0x02a0, 0x9d9cbb66 },
202 { 0x0290, 0x00000013 },
203 { 0x02a0, 0x1a868400 },
204 { 0x0290, 0x00000014 },
205 { 0x02a0, 0x300214d8 },
206 { 0x0290, 0x00000015 },
207 { 0x02a0, 0x00000d70 },
208 { 0x0290, 0x00000016 },
209 { 0x02a0, 0x00000004 },
210 { 0x0290, 0x00000017 },
211 { 0x02a0, 0x00000018 },
212 { 0x0290, 0x0000001a },
213 { 0x02a0, 0x910035c7 },
214 { 0x0290, 0x00000004 },
215 };
216
217 static const struct reg_config dbsc_config6[] = {
218 { 0x0290, 0x00000001 },
219 { 0x02a0, 0x00000181 },
220 { 0x0018, 0x11000000 },
221 { 0x0290, 0x00000004 },
222 };
223
224 static const struct reg_config dbsc_config7[] = {
225 { 0x0290, 0x00000001 },
226 { 0x02a0, 0x0000fe01 },
227 { 0x0304, 0x00000000 },
228 { 0x00f4, 0x01004c20 },
229 { 0x00f8, 0x014000aa },
230 { 0x00e0, 0x00000140 },
231 { 0x00e4, 0x00081860 },
232 { 0x00e8, 0x00010000 },
233 { 0x0290, 0x00000004 },
234 };
235
236 static const struct reg_config dbsc_config8[] = {
237 { 0x0014, 0x00000001 },
238 { 0x0010, 0x00000001 },
239 { 0x0280, 0x00000000 },
240 };
241
242 static const u32 dbsc3_0_base = DBSC3_0_BASE;
243 unsigned int i;
244
245 for (i = 0; i < ARRAY_SIZE(dbsc_config1); i++)
246 writel(dbsc_config1[i].val, dbsc3_0_base | dbsc_config1[i].off);
247
248 dbsc_wait(0x2a0);
249
250 for (i = 0; i < ARRAY_SIZE(dbsc_config2); i++)
251 writel(dbsc_config2[i].val, dbsc3_0_base | dbsc_config2[i].off);
252
253 for (i = 0; i < ARRAY_SIZE(dbsc_config4); i++)
254 writel(dbsc_config4[i].val, dbsc3_0_base | dbsc_config4[i].off);
255
256 dbsc_wait(0x240);
257
258 for (i = 0; i < ARRAY_SIZE(dbsc_config5); i++)
259 writel(dbsc_config5[i].val, dbsc3_0_base | dbsc_config5[i].off);
260
261 dbsc_wait(0x2a0);
262
263 for (i = 0; i < ARRAY_SIZE(dbsc_config6); i++)
264 writel(dbsc_config6[i].val, dbsc3_0_base | dbsc_config6[i].off);
265
266 dbsc_wait(0x2a0);
267
268 for (i = 0; i < ARRAY_SIZE(dbsc_config7); i++)
269 writel(dbsc_config7[i].val, dbsc3_0_base | dbsc_config7[i].off);
270
271 dbsc_wait(0x2a0);
272
273 for (i = 0; i < ARRAY_SIZE(dbsc_config8); i++)
274 writel(dbsc_config8[i].val, dbsc3_0_base | dbsc_config8[i].off);
6f107e4c 275
e9c891ff 276}
6f107e4c 277
e9c891ff
MV
278static void s_init_wait(volatile unsigned int cnt)
279{
280 volatile u32 i = cnt * 0x10000;
6f107e4c 281
e9c891ff
MV
282 while (i-- > 0)
283 ;
6f107e4c 284}
e9c891ff 285#endif
6f107e4c 286
e9c891ff
MV
287void s_init(void)
288{
289 blanche_init_sys();
290 qos_init();
291 blanche_init_pfc();
292 blanche_init_lbsc();
293#if defined(CONFIG_MTD_NOR_FLASH)
294 s_init_wait(10);
295 blanche_init_dbsc();
296#endif /* CONFIG_MTD_NOR_FLASH */
297}
6f107e4c 298
299int board_early_init_f(void)
300{
301 /* TMU0 */
302 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
6f107e4c 303 /* QSPI */
304 mstp_clrbits_le32(MSTPSR9, SMSTPCR9, QSPI_MSTP917);
305
306 return 0;
307}
308
6f107e4c 309int board_init(void)
310{
311 /* adress of boot parameters */
312 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
313
6f107e4c 314 return 0;
315}
316
e9c891ff 317/* Added for BLANCHE(R-CarV2H board) */
264398b2 318#ifndef CONFIG_DM_ETH
6f107e4c 319int board_eth_init(bd_t *bis)
320{
321 int rc = 0;
322
323#ifdef CONFIG_SMC911X
6f107e4c 324 struct eth_device *dev;
325 uchar eth_addr[6];
326
327 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
328
e9c891ff 329 if (!eth_env_get_enetaddr("ethaddr", eth_addr)) {
6f107e4c 330 dev = eth_get_dev_by_index(0);
331 if (dev) {
e9c891ff 332 eth_env_set_enetaddr("ethaddr", dev->enetaddr);
6f107e4c 333 } else {
334 printf("blanche: Couldn't get eth device\n");
335 rc = -1;
336 }
337 }
338
339#endif
340
341 return rc;
342}
264398b2 343#endif
6f107e4c 344
e9c891ff 345int dram_init(void)
6f107e4c 346{
12308b12 347 if (fdtdec_setup_mem_size_base() != 0)
e9c891ff 348 return -EINVAL;
6f107e4c 349
e9c891ff 350 return 0;
6f107e4c 351}
352
e9c891ff 353int dram_init_banksize(void)
6f107e4c 354{
e9c891ff 355 fdtdec_setup_memory_banksize();
6f107e4c 356
357 return 0;
358}
359
6f107e4c 360void reset_cpu(ulong addr)
361{
4666521d
MV
362 struct udevice *dev;
363 const u8 pmic_bus = 6;
364 const u8 pmic_addr = 0x58;
365 u8 data;
366 int ret;
367
368 ret = i2c_get_chip_for_busnum(pmic_bus, pmic_addr, 1, &dev);
369 if (ret)
370 hang();
371
372 ret = dm_i2c_read(dev, 0x13, &data, 1);
373 if (ret)
374 hang();
375
376 data |= BIT(1);
377
378 ret = dm_i2c_write(dev, 0x13, &data, 1);
379 if (ret)
380 hang();
6f107e4c 381}