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1 /*
2 * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
3 * (C) Copyright 2012 Renesas Solutions Corp.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 #include <common.h>
9 #include <asm/io.h>
10 #include <asm/arch/sys_proto.h>
11 #include <asm/gpio.h>
12 #include <netdev.h>
13 #include <i2c.h>
14
15 DECLARE_GLOBAL_DATA_PTR;
16
17 #define CS0BCR_D (0x06C00400)
18 #define CS4BCR_D (0x16c90400)
19 #define CS0WCR_D (0x55062C42)
20 #define CS4WCR_D (0x1e071dc3)
21
22 #define CMNCR_BROMMD0 (1 << 21)
23 #define CMNCR_BROMMD1 (1 << 22)
24 #define CMNCR_BROMMD (CMNCR_BROMMD0|CMNCR_BROMMD1)
25 #define VCLKCR1_D (0x27)
26
27 #define SMSTPCR1_CMT0 (1 << 24)
28 #define SMSTPCR1_I2C0 (1 << 16)
29 #define SMSTPCR3_USB (1 << 22)
30 #define SMSTPCR3_I2C1 (1 << 23)
31
32 #define PORT32CR (0xE6051020)
33 #define PORT33CR (0xE6051021)
34 #define PORT34CR (0xE6051022)
35 #define PORT35CR (0xE6051023)
36
37 static int cmp_loop(u32 *addr, u32 data, u32 cmp)
38 {
39 int err = -1;
40 int timeout = 100;
41 u32 value;
42
43 while (timeout > 0) {
44 value = readl(addr);
45 if ((value & data) == cmp) {
46 err = 0;
47 break;
48 }
49 timeout--;
50 }
51
52 return err;
53 }
54
55 /* SBSC Init function */
56 static void sbsc_init(struct sh73a0_sbsc *sbsc)
57 {
58 writel(readl(&sbsc->dllcnt0)|0x2, &sbsc->dllcnt0);
59 writel(0x5, &sbsc->sdgencnt);
60 cmp_loop(&sbsc->sdgencnt, 0xffffffff, 0x0);
61
62 writel(0xacc90159, &sbsc->sdcr0);
63 writel(0x00010059, &sbsc->sdcr1);
64 writel(0x50874114, &sbsc->sdwcrc0);
65 writel(0x33199b37, &sbsc->sdwcrc1);
66 writel(0x008f2313, &sbsc->sdwcrc2);
67 writel(0x31020707, &sbsc->sdwcr00);
68 writel(0x0017040a, &sbsc->sdwcr01);
69 writel(0x31020707, &sbsc->sdwcr10);
70 writel(0x0017040a, &sbsc->sdwcr11);
71 writel(0x055557ff, &sbsc->sddrvcr0); /* Enlarge drivability of LPDQS0-3, LPCLK */
72 writel(0x30000000, &sbsc->sdwcr2);
73
74 writel(readl(&sbsc->sdpcr) | 0x80, &sbsc->sdpcr);
75 cmp_loop(&sbsc->sdpcr, 0x80, 0x80);
76
77 writel(0x00002710, &sbsc->sdgencnt);
78 cmp_loop(&sbsc->sdgencnt, 0xffffffff, 0x0);
79
80 writel(0x0000003f, &sbsc->sdmracr0);
81 writel(0x0, SDMRA1A);
82 writel(0x000001f4, &sbsc->sdgencnt);
83 cmp_loop(&sbsc->sdgencnt, 0xffffffff, 0x0);
84
85 writel(0x0000ff0a, &sbsc->sdmracr0);
86 if (sbsc == (struct sh73a0_sbsc *)SBSC1_BASE)
87 writel(0x0, SDMRA3A);
88 else
89 writel(0x0, SDMRA3B);
90
91 writel(0x00000032, &sbsc->sdgencnt);
92 cmp_loop(&sbsc->sdgencnt, 0xffffffff, 0x0);
93
94 if (sbsc == (struct sh73a0_sbsc *)SBSC1_BASE) {
95 writel(0x00002201, &sbsc->sdmracr0);
96 writel(0x0, SDMRA1A);
97 writel(0x00000402, &sbsc->sdmracr0);
98 writel(0x0, SDMRA1A);
99 writel(0x00000203, &sbsc->sdmracr0); /* MR3 register DS=2 */
100 writel(0x0, SDMRA1A);
101 writel(0x0, SDMRA2A);
102 } else {
103 writel(0x00002201, &sbsc->sdmracr0);
104 writel(0x0, SDMRA1B);
105 writel(0x00000402, &sbsc->sdmracr0);
106 writel(0x0, SDMRA1B);
107 writel(0x00000203, &sbsc->sdmracr0); /* MR3 register DS=2 */
108 writel(0x0, SDMRA1B);
109 writel(0x0, SDMRA2B);
110 }
111
112 writel(0x88800004, &sbsc->sdmrtmpcr);
113 writel(0x00000004, &sbsc->sdmrtmpmsk);
114 writel(0xa55a0032, &sbsc->rtcor);
115 writel(0xa55a000c, &sbsc->rtcorh);
116 writel(0xa55a2048, &sbsc->rtcsr);
117 writel(readl(&sbsc->sdcr0)|0x800, &sbsc->sdcr0);
118 writel(readl(&sbsc->sdcr1)|0x400, &sbsc->sdcr1);
119 writel(0xfff20000, &sbsc->zqccr);
120
121 /* SCBS2 only */
122 if (sbsc == (struct sh73a0_sbsc *)SBSC2_BASE) {
123 writel(readl(&sbsc->sdpdcr0)|0x00030000, &sbsc->sdpdcr0);
124 writel(0xa5390000, &sbsc->dphycnt1);
125 writel(0x00001200, &sbsc->dphycnt0);
126 writel(0x07ce0000, &sbsc->dphycnt1);
127 writel(0x00001247, &sbsc->dphycnt0);
128 cmp_loop(&sbsc->dphycnt2, 0xffffffff, 0x07ce0000);
129 writel(readl(&sbsc->sdpdcr0) & 0xfffcffff, &sbsc->sdpdcr0);
130 }
131 }
132
133 void s_init(void)
134 {
135 struct sh73a0_rwdt *rwdt = (struct sh73a0_rwdt *)RWDT_BASE;
136 struct sh73a0_sbsc_cpg *cpg = (struct sh73a0_sbsc_cpg *)CPG_BASE;
137 struct sh73a0_sbsc_cpg_srcr *cpg_srcr =
138 (struct sh73a0_sbsc_cpg_srcr *)CPG_SRCR_BASE;
139 struct sh73a0_sbsc *sbsc1 = (struct sh73a0_sbsc *)SBSC1_BASE;
140 struct sh73a0_sbsc *sbsc2 = (struct sh73a0_sbsc *)SBSC2_BASE;
141 struct sh73a0_hpb *hpb = (struct sh73a0_hpb *)HPB_BASE;
142 struct sh73a0_hpb_bscr *hpb_bscr =
143 (struct sh73a0_hpb_bscr *)HPBSCR_BASE;
144
145 /* Watchdog init */
146 writew(0xA507, &rwdt->rwtcsra0);
147
148 /* Secure control register Init */
149 #define LIFEC_SEC_SRC_BIT (1 << 15)
150 writel(readl(LIFEC_SEC_SRC) & ~LIFEC_SEC_SRC_BIT, LIFEC_SEC_SRC);
151
152 clrbits_le32(&cpg->smstpcr3, (1 << 15));
153 clrbits_le32(&cpg_srcr->srcr3, (1 << 15));
154 clrbits_le32(&cpg->smstpcr2, (1 << 18));
155 clrbits_le32(&cpg_srcr->srcr2, (1 << 18));
156 writel(0x0, &cpg->pllecr);
157
158 cmp_loop(&cpg->pllecr, 0x00000F00, 0x0);
159 cmp_loop(&cpg->frqcrb, 0x80000000, 0x0);
160
161 writel(0x2D000000, &cpg->pll0cr);
162 writel(0x17100000, &cpg->pll1cr);
163 writel(0x96235880, &cpg->frqcrb);
164 cmp_loop(&cpg->frqcrb, 0x80000000, 0x0);
165
166 writel(0xB, &cpg->flckcr);
167 clrbits_le32(&cpg->smstpcr0, (1 << 1));
168
169 clrbits_le32(&cpg_srcr->srcr0, (1 << 1));
170 writel(0x0514, &hpb_bscr->smgpiotime);
171 writel(0x0514, &hpb_bscr->smcmt2time);
172 writel(0x0514, &hpb_bscr->smcpgtime);
173 writel(0x0514, &hpb_bscr->smsysctime);
174
175 writel(0x00092000, &cpg->dvfscr4);
176 writel(0x000000DC, &cpg->dvfscr5);
177 writel(0x0, &cpg->pllecr);
178 cmp_loop(&cpg->pllecr, 0x00000F00, 0x0);
179
180 /* FRQCR Init */
181 writel(0x0012453C, &cpg->frqcra);
182 writel(0x80431350, &cpg->frqcrb); /* ETM TRCLK 78MHz */
183 cmp_loop(&cpg->frqcrb, 0x80000000, 0x0);
184 writel(0x00000B0B, &cpg->frqcrd);
185 cmp_loop(&cpg->frqcrd, 0x80000000, 0x0);
186
187 /* Clock Init */
188 writel(0x00000003, PCLKCR);
189 writel(0x0000012F, &cpg->vclkcr1);
190 writel(0x00000119, &cpg->vclkcr2);
191 writel(0x00000119, &cpg->vclkcr3);
192 writel(0x00000002, &cpg->zbckcr);
193 writel(0x00000005, &cpg->flckcr);
194 writel(0x00000080, &cpg->sd0ckcr);
195 writel(0x00000080, &cpg->sd1ckcr);
196 writel(0x00000080, &cpg->sd2ckcr);
197 writel(0x0000003F, &cpg->fsiackcr);
198 writel(0x0000003F, &cpg->fsibckcr);
199 writel(0x00000080, &cpg->subckcr);
200 writel(0x0000000B, &cpg->spuackcr);
201 writel(0x0000000B, &cpg->spuvckcr);
202 writel(0x0000013F, &cpg->msuckcr);
203 writel(0x00000080, &cpg->hsickcr);
204 writel(0x0000003F, &cpg->mfck1cr);
205 writel(0x0000003F, &cpg->mfck2cr);
206 writel(0x00000107, &cpg->dsitckcr);
207 writel(0x00000313, &cpg->dsi0pckcr);
208 writel(0x0000130D, &cpg->dsi1pckcr);
209 writel(0x2A800E0E, &cpg->dsi0phycr);
210 writel(0x1E000000, &cpg->pll0cr);
211 writel(0x2D000000, &cpg->pll0cr);
212 writel(0x17100000, &cpg->pll1cr);
213 writel(0x27000080, &cpg->pll2cr);
214 writel(0x1D000000, &cpg->pll3cr);
215 writel(0x00080000, &cpg->pll0stpcr);
216 writel(0x000120C0, &cpg->pll1stpcr);
217 writel(0x00012000, &cpg->pll2stpcr);
218 writel(0x00000030, &cpg->pll3stpcr);
219
220 writel(0x0000000B, &cpg->pllecr);
221 cmp_loop(&cpg->pllecr, 0x00000B00, 0x00000B00);
222
223 writel(0x000120F0, &cpg->dvfscr3);
224 writel(0x00000020, &cpg->mpmode);
225 writel(0x0000028A, &cpg->vrefcr);
226 writel(0xE4628087, &cpg->rmstpcr0);
227 writel(0xFFFFFFFF, &cpg->rmstpcr1);
228 writel(0x53FFFFFF, &cpg->rmstpcr2);
229 writel(0xFFFFFFFF, &cpg->rmstpcr3);
230 writel(0x00800D3D, &cpg->rmstpcr4);
231 writel(0xFFFFF3FF, &cpg->rmstpcr5);
232 writel(0x00000000, &cpg->smstpcr2);
233 writel(0x00040000, &cpg_srcr->srcr2);
234
235 clrbits_le32(&cpg->pllecr, (1 << 3));
236 cmp_loop(&cpg->pllecr, 0x00000800, 0x0);
237
238 writel(0x00000001, &hpb->hpbctrl6);
239 cmp_loop(&hpb->hpbctrl6, 0x1, 0x1);
240
241 writel(0x00001414, &cpg->frqcrd);
242 cmp_loop(&cpg->frqcrd, 0x80000000, 0x0);
243
244 writel(0x1d000000, &cpg->pll3cr);
245 setbits_le32(&cpg->pllecr, (1 << 3));
246 cmp_loop(&cpg->pllecr, 0x800, 0x800);
247
248 /* SBSC1 Init*/
249 sbsc_init(sbsc1);
250
251 /* SBSC2 Init*/
252 sbsc_init(sbsc2);
253
254 writel(0x00000b0b, &cpg->frqcrd);
255 cmp_loop(&cpg->frqcrd, 0x80000000, 0x0);
256 writel(0xfffffffc, &cpg->cpgxxcs4);
257 }
258
259 int board_early_init_f(void)
260 {
261 struct sh73a0_sbsc_cpg *cpg = (struct sh73a0_sbsc_cpg *)CPG_BASE;
262 struct sh73a0_bsc *bsc = (struct sh73a0_bsc *)BSC_BASE;
263 struct sh73a0_sbsc_cpg_srcr *cpg_srcr =
264 (struct sh73a0_sbsc_cpg_srcr *)CPG_SRCR_BASE;
265
266 writel(CS0BCR_D, &bsc->cs0bcr);
267 writel(CS4BCR_D, &bsc->cs4bcr);
268 writel(CS0WCR_D, &bsc->cs0wcr);
269 writel(CS4WCR_D, &bsc->cs4wcr);
270
271 clrsetbits_le32(&bsc->cmncr, ~CMNCR_BROMMD, CMNCR_BROMMD);
272
273 clrbits_le32(&cpg->smstpcr1, (SMSTPCR1_CMT0|SMSTPCR1_I2C0));
274 clrbits_le32(&cpg_srcr->srcr1, (SMSTPCR1_CMT0|SMSTPCR1_I2C0));
275 clrbits_le32(&cpg->smstpcr3, (SMSTPCR3_USB|SMSTPCR3_I2C1));
276 clrbits_le32(&cpg_srcr->srcr3, (SMSTPCR3_USB|SMSTPCR3_I2C1));
277 writel(VCLKCR1_D, &cpg->vclkcr1);
278
279 /* Setup SCIF4 / workaround */
280 writeb(0x12, PORT32CR);
281 writeb(0x22, PORT33CR);
282 writeb(0x12, PORT34CR);
283 writeb(0x22, PORT35CR);
284
285 return 0;
286 }
287
288 void adjust_core_voltage(void)
289 {
290 u8 data;
291
292 data = 0x35;
293 i2c_set_bus_num(0);
294 i2c_write(0x40, 3, 1, &data, 1);
295 }
296
297 int board_init(void)
298 {
299 adjust_core_voltage();
300 sh73a0_pinmux_init();
301
302 /* SCIFA 4 */
303 gpio_request(GPIO_FN_SCIFA4_TXD, NULL);
304 gpio_request(GPIO_FN_SCIFA4_RXD, NULL);
305 gpio_request(GPIO_FN_SCIFA4_RTS_, NULL);
306 gpio_request(GPIO_FN_SCIFA4_CTS_, NULL);
307
308 /* Ethernet/SMSC */
309 gpio_request(GPIO_PORT224, NULL);
310 gpio_direction_input(GPIO_PORT224);
311
312 /* SMSC/USB */
313 gpio_request(GPIO_FN_CS4_, NULL);
314
315 /* MMCIF */
316 gpio_request(GPIO_FN_MMCCLK0, NULL);
317 gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
318 gpio_request(GPIO_FN_MMCD0_0_PU, NULL);
319 gpio_request(GPIO_FN_MMCD0_1_PU, NULL);
320 gpio_request(GPIO_FN_MMCD0_2_PU, NULL);
321 gpio_request(GPIO_FN_MMCD0_3_PU, NULL);
322 gpio_request(GPIO_FN_MMCD0_4_PU, NULL);
323 gpio_request(GPIO_FN_MMCD0_5_PU, NULL);
324 gpio_request(GPIO_FN_MMCD0_6_PU, NULL);
325 gpio_request(GPIO_FN_MMCD0_7_PU, NULL);
326
327 /* SDHI */
328 gpio_request(GPIO_FN_SDHIWP0, NULL);
329 gpio_request(GPIO_FN_SDHICD0, NULL);
330 gpio_request(GPIO_FN_SDHICMD0, NULL);
331 gpio_request(GPIO_FN_SDHICLK0, NULL);
332 gpio_request(GPIO_FN_SDHID0_3, NULL);
333 gpio_request(GPIO_FN_SDHID0_2, NULL);
334 gpio_request(GPIO_FN_SDHID0_1, NULL);
335 gpio_request(GPIO_FN_SDHID0_0, NULL);
336 gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL);
337 gpio_request(GPIO_PORT15, NULL);
338 gpio_direction_output(GPIO_PORT15, 1);
339
340 /* I2C */
341 gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
342 gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
343 gpio_request(GPIO_FN_PORT27_I2C_SCL3, NULL);
344 gpio_request(GPIO_FN_PORT28_I2C_SDA3, NULL);
345
346 gd->bd->bi_boot_params = (CONFIG_SYS_SDRAM_BASE + 0x100);
347
348 return 0;
349 }
350
351 const struct rmobile_sysinfo sysinfo = {
352 CONFIG_RMOBILE_BOARD_STRING
353 };
354
355 int dram_init(void)
356 {
357 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
358 return 0;
359 }
360
361 int board_eth_init(bd_t *bis)
362 {
363 int ret = 0;
364 #ifdef CONFIG_SMC911X
365 ret = smc911x_initialize(0, CONFIG_SMC911X_BASE);
366 #endif
367 return ret;
368 }
369
370 void reset_cpu(ulong addr)
371 {
372 /* Soft Power On Reset */
373 writel((1 << 31), RESCNT2);
374 }