1 /*
2 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <common/debug.h>
8 #include <drivers/arm/pl061_gpio.h>
9 #include <drivers/delay_timer.h>
10 #include <lib/mmio.h>
11
12 #include <hi3660.h>
13 #include "hikey960_private.h"
14
hikey960_clk_init(void)15 void hikey960_clk_init(void)
16 {
17 /* change ldi0 sel to ppll2 */
18 mmio_write_32(0xfff350b4, 0xf0002000);
19 /* ldi0 20' */
20 mmio_write_32(0xfff350bc, 0xfc004c00);
21 }
22
hikey960_pmu_init(void)23 void hikey960_pmu_init(void)
24 {
25 /* clear np_xo_abb_dig_START bit in PMIC_CLK_TOP_CTRL7 register */
26 mmio_clrbits_32(PMU_SSI0_CLK_TOP_CTRL7_REG, NP_XO_ABB_DIG);
27 }
28
hikey960_enable_ppll3(void)29 static void hikey960_enable_ppll3(void)
30 {
31 /* enable ppll3 */
32 mmio_write_32(PMC_PPLL3_CTRL0_REG, 0x4904305);
33 mmio_write_32(PMC_PPLL3_CTRL1_REG, 0x2300000);
34 mmio_write_32(PMC_PPLL3_CTRL1_REG, 0x6300000);
35 }
36
bus_idle_clear(unsigned int value)37 static void bus_idle_clear(unsigned int value)
38 {
39 unsigned int pmc_value, value1, value2;
40 int timeout = 100;
41
42 pmc_value = value << 16;
43 pmc_value &= ~value;
44 mmio_write_32(PMC_NOC_POWER_IDLEREQ_REG, pmc_value);
45
46 for (;;) {
47 value1 = (unsigned int)mmio_read_32(PMC_NOC_POWER_IDLEACK_REG);
48 value2 = (unsigned int)mmio_read_32(PMC_NOC_POWER_IDLE_REG);
49 if (((value1 & value) == 0) && ((value2 & value) == 0))
50 break;
51 udelay(1);
52 timeout--;
53 if (timeout <= 0) {
54 WARN("%s timeout\n", __func__);
55 break;
56 }
57 }
58 }
59
set_vivobus_power_up(void)60 static void set_vivobus_power_up(void)
61 {
62 /* clk enable */
63 mmio_write_32(CRG_CLKDIV20_REG, 0x00020002);
64 mmio_write_32(CRG_PEREN0_REG, 0x00001000);
65 }
66
set_dss_power_up(void)67 static void set_dss_power_up(void)
68 {
69 /* set edc0 133MHz = 1600MHz / 12 */
70 mmio_write_32(CRG_CLKDIV5_REG, 0x003f000b);
71 /* set ldi0 ppl0 */
72 mmio_write_32(CRG_CLKDIV3_REG, 0xf0001000);
73 /* set ldi0 133MHz, 1600MHz / 12 */
74 mmio_write_32(CRG_CLKDIV5_REG, 0xfc002c00);
75 /* mtcmos on */
76 mmio_write_32(CRG_PERPWREN_REG, 0x00000020);
77 udelay(100);
78 /* DISP CRG */
79 mmio_write_32(CRG_PERRSTDIS4_REG, 0x00000010);
80 /* clk enable */
81 mmio_write_32(CRG_CLKDIV18_REG, 0x01400140);
82 mmio_write_32(CRG_PEREN0_REG, 0x00002000);
83 mmio_write_32(CRG_PEREN3_REG, 0x0003b000);
84 udelay(1);
85 /* clk disable */
86 mmio_write_32(CRG_PERDIS3_REG, 0x0003b000);
87 mmio_write_32(CRG_PERDIS0_REG, 0x00002000);
88 mmio_write_32(CRG_CLKDIV18_REG, 0x01400000);
89 udelay(1);
90 /* iso disable */
91 mmio_write_32(CRG_ISODIS_REG, 0x00000040);
92 /* unreset */
93 mmio_write_32(CRG_PERRSTDIS4_REG, 0x00000006);
94 mmio_write_32(CRG_PERRSTDIS3_REG, 0x00000c00);
95 /* clk enable */
96 mmio_write_32(CRG_CLKDIV18_REG, 0x01400140);
97 mmio_write_32(CRG_PEREN0_REG, 0x00002000);
98 mmio_write_32(CRG_PEREN3_REG, 0x0003b000);
99 /* bus idle clear */
100 bus_idle_clear(PMC_NOC_POWER_IDLEREQ_DSS);
101 /* set edc0 400MHz for 2K 1600MHz / 4 */
102 mmio_write_32(CRG_CLKDIV5_REG, 0x003f0003);
103 /* set ldi 266MHz, 1600MHz / 6 */
104 mmio_write_32(CRG_CLKDIV5_REG, 0xfc001400);
105 }
106
set_vcodec_power_up(void)107 static void set_vcodec_power_up(void)
108 {
109 /* clk enable */
110 mmio_write_32(CRG_CLKDIV20_REG, 0x00040004);
111 mmio_write_32(CRG_PEREN0_REG, 0x00000060);
112 mmio_write_32(CRG_PEREN2_REG, 0x10000000);
113 /* unreset */
114 mmio_write_32(CRG_PERRSTDIS0_REG, 0x00000018);
115 /* bus idle clear */
116 bus_idle_clear(PMC_NOC_POWER_IDLEREQ_VCODEC);
117 }
118
set_vdec_power_up(void)119 static void set_vdec_power_up(void)
120 {
121 /* mtcmos on */
122 mmio_write_32(CRG_PERPWREN_REG, 0x00000004);
123 udelay(100);
124 /* clk enable */
125 mmio_write_32(CRG_CLKDIV18_REG, 0x80008000);
126 mmio_write_32(CRG_PEREN2_REG, 0x20080000);
127 mmio_write_32(CRG_PEREN3_REG, 0x00000800);
128 udelay(1);
129 /* clk disable */
130 mmio_write_32(CRG_PERDIS3_REG, 0x00000800);
131 mmio_write_32(CRG_PERDIS2_REG, 0x20080000);
132 mmio_write_32(CRG_CLKDIV18_REG, 0x80000000);
133 udelay(1);
134 /* iso disable */
135 mmio_write_32(CRG_ISODIS_REG, 0x00000004);
136 /* unreset */
137 mmio_write_32(CRG_PERRSTDIS3_REG, 0x00000200);
138 /* clk enable */
139 mmio_write_32(CRG_CLKDIV18_REG, 0x80008000);
140 mmio_write_32(CRG_PEREN2_REG, 0x20080000);
141 mmio_write_32(CRG_PEREN3_REG, 0x00000800);
142 /* bus idle clear */
143 bus_idle_clear(PMC_NOC_POWER_IDLEREQ_VDEC);
144 }
145
set_venc_power_up(void)146 static void set_venc_power_up(void)
147 {
148 /* set venc ppll3 */
149 mmio_write_32(CRG_CLKDIV8_REG, 0x18001000);
150 /* set venc 258MHz, 1290MHz / 5 */
151 mmio_write_32(CRG_CLKDIV8_REG, 0x07c00100);
152 /* mtcmos on */
153 mmio_write_32(CRG_PERPWREN_REG, 0x00000002);
154 udelay(100);
155 /* clk enable */
156 mmio_write_32(CRG_CLKDIV19_REG, 0x00010001);
157 mmio_write_32(CRG_PEREN2_REG, 0x40000100);
158 mmio_write_32(CRG_PEREN3_REG, 0x00000400);
159 udelay(1);
160 /* clk disable */
161 mmio_write_32(CRG_PERDIS3_REG, 0x00000400);
162 mmio_write_32(CRG_PERDIS2_REG, 0x40000100);
163 mmio_write_32(CRG_CLKDIV19_REG, 0x00010000);
164 udelay(1);
165 /* iso disable */
166 mmio_write_32(CRG_ISODIS_REG, 0x00000002);
167 /* unreset */
168 mmio_write_32(CRG_PERRSTDIS3_REG, 0x00000100);
169 /* clk enable */
170 mmio_write_32(CRG_CLKDIV19_REG, 0x00010001);
171 mmio_write_32(CRG_PEREN2_REG, 0x40000100);
172 mmio_write_32(CRG_PEREN3_REG, 0x00000400);
173 /* bus idle clear */
174 bus_idle_clear(PMC_NOC_POWER_IDLEREQ_VENC);
175 /* set venc 645MHz, 1290MHz / 2 */
176 mmio_write_32(CRG_CLKDIV8_REG, 0x07c00040);
177 }
178
set_isp_power_up(void)179 static void set_isp_power_up(void)
180 {
181 /* mtcmos on */
182 mmio_write_32(CRG_PERPWREN_REG, 0x00000001);
183 udelay(100);
184 /* clk enable */
185 mmio_write_32(CRG_CLKDIV18_REG, 0x70007000);
186 mmio_write_32(CRG_CLKDIV20_REG, 0x00100010);
187 mmio_write_32(CRG_PEREN5_REG, 0x01000010);
188 mmio_write_32(CRG_PEREN3_REG, 0x0bf00000);
189 udelay(1);
190 /* clk disable */
191 mmio_write_32(CRG_PERDIS5_REG, 0x01000010);
192 mmio_write_32(CRG_PERDIS3_REG, 0x0bf00000);
193 mmio_write_32(CRG_CLKDIV18_REG, 0x70000000);
194 mmio_write_32(CRG_CLKDIV20_REG, 0x00100000);
195 udelay(1);
196 /* iso disable */
197 mmio_write_32(CRG_ISODIS_REG, 0x00000001);
198 /* unreset */
199 mmio_write_32(CRG_ISP_SEC_RSTDIS_REG, 0x0000002f);
200 /* clk enable */
201 mmio_write_32(CRG_CLKDIV18_REG, 0x70007000);
202 mmio_write_32(CRG_CLKDIV20_REG, 0x00100010);
203 mmio_write_32(CRG_PEREN5_REG, 0x01000010);
204 mmio_write_32(CRG_PEREN3_REG, 0x0bf00000);
205 /* bus idle clear */
206 bus_idle_clear(PMC_NOC_POWER_IDLEREQ_ISP);
207 /* csi clk enable */
208 mmio_write_32(CRG_PEREN3_REG, 0x00700000);
209 }
210
set_ivp_power_up(void)211 static void set_ivp_power_up(void)
212 {
213 /* set ivp ppll0 */
214 mmio_write_32(CRG_CLKDIV0_REG, 0xc0000000);
215 /* set ivp 267MHz, 1600MHz / 6 */
216 mmio_write_32(CRG_CLKDIV0_REG, 0x3c001400);
217 /* mtcmos on */
218 mmio_write_32(CRG_PERPWREN_REG, 0x00200000);
219 udelay(100);
220 /* IVP CRG unreset */
221 mmio_write_32(CRG_IVP_SEC_RSTDIS_REG, 0x00000001);
222 /* clk enable */
223 mmio_write_32(CRG_CLKDIV20_REG, 0x02000200);
224 mmio_write_32(CRG_PEREN4_REG, 0x000000a8);
225 udelay(1);
226 /* clk disable */
227 mmio_write_32(CRG_PERDIS4_REG, 0x000000a8);
228 mmio_write_32(CRG_CLKDIV20_REG, 0x02000000);
229 udelay(1);
230 /* iso disable */
231 mmio_write_32(CRG_ISODIS_REG, 0x01000000);
232 /* unreset */
233 mmio_write_32(CRG_IVP_SEC_RSTDIS_REG, 0x00000002);
234 /* clk enable */
235 mmio_write_32(CRG_CLKDIV20_REG, 0x02000200);
236 mmio_write_32(CRG_PEREN4_REG, 0x000000a8);
237 /* bus idle clear */
238 bus_idle_clear(PMC_NOC_POWER_IDLEREQ_IVP);
239 /* set ivp 533MHz, 1600MHz / 3 */
240 mmio_write_32(CRG_CLKDIV0_REG, 0x3c000800);
241 }
242
set_audio_power_up(void)243 static void set_audio_power_up(void)
244 {
245 unsigned int ret;
246 int timeout = 100;
247 /* mtcmos on */
248 mmio_write_32(SCTRL_SCPWREN_REG, 0x00000001);
249 udelay(100);
250 /* clk enable */
251 mmio_write_32(CRG_CLKDIV19_REG, 0x80108010);
252 mmio_write_32(SCTRL_SCCLKDIV2_REG, 0x00010001);
253 mmio_write_32(SCTRL_SCPEREN0_REG, 0x0c000000);
254 mmio_write_32(CRG_PEREN0_REG, 0x04000000);
255 mmio_write_32(CRG_PEREN5_REG, 0x00000080);
256 mmio_write_32(SCTRL_SCPEREN1_REG, 0x0000000f);
257 udelay(1);
258 /* clk disable */
259 mmio_write_32(SCTRL_SCPERDIS1_REG, 0x0000000f);
260 mmio_write_32(SCTRL_SCPERDIS0_REG, 0x0c000000);
261 mmio_write_32(CRG_PERDIS5_REG, 0x00000080);
262 mmio_write_32(CRG_PERDIS0_REG, 0x04000000);
263 mmio_write_32(SCTRL_SCCLKDIV2_REG, 0x00010000);
264 mmio_write_32(CRG_CLKDIV19_REG, 0x80100000);
265 udelay(1);
266 /* iso disable */
267 mmio_write_32(SCTRL_SCISODIS_REG, 0x00000001);
268 udelay(1);
269 /* unreset */
270 mmio_write_32(SCTRL_PERRSTDIS1_SEC_REG, 0x00000001);
271 mmio_write_32(SCTRL_SCPERRSTDIS0_REG, 0x00000780);
272 /* clk enable */
273 mmio_write_32(CRG_CLKDIV19_REG, 0x80108010);
274 mmio_write_32(SCTRL_SCCLKDIV2_REG, 0x00010001);
275 mmio_write_32(SCTRL_SCPEREN0_REG, 0x0c000000);
276 mmio_write_32(CRG_PEREN0_REG, 0x04000000);
277 mmio_write_32(CRG_PEREN5_REG, 0x00000080);
278 mmio_write_32(SCTRL_SCPEREN1_REG, 0x0000000f);
279 /* bus idle clear */
280 mmio_write_32(SCTRL_SCPERCTRL7_REG, 0x00040000);
281 for (;;) {
282 ret = mmio_read_32(SCTRL_SCPERSTAT6_REG);
283 if (((ret & (1 << 5)) == 0) && ((ret & (1 << 8)) == 0))
284 break;
285 udelay(1);
286 timeout--;
287 if (timeout <= 0) {
288 WARN("%s timeout\n", __func__);
289 break;
290 }
291 }
292 mmio_write_32(ASP_CFG_MMBUF_CTRL_REG, 0x00ff0000);
293 }
294
set_pcie_power_up(void)295 static void set_pcie_power_up(void)
296 {
297 /* mtcmos on */
298 mmio_write_32(SCTRL_SCPWREN_REG, 0x00000010);
299 udelay(100);
300 /* clk enable */
301 mmio_write_32(SCTRL_SCCLKDIV6_REG, 0x08000800);
302 mmio_write_32(SCTRL_SCPEREN2_REG, 0x00104000);
303 mmio_write_32(CRG_PEREN7_REG, 0x000003a0);
304 udelay(1);
305 /* clk disable */
306 mmio_write_32(SCTRL_SCPERDIS2_REG, 0x00104000);
307 mmio_write_32(CRG_PERDIS7_REG, 0x000003a0);
308 mmio_write_32(SCTRL_SCCLKDIV6_REG, 0x08000000);
309 udelay(1);
310 /* iso disable */
311 mmio_write_32(SCTRL_SCISODIS_REG, 0x00000030);
312 /* unreset */
313 mmio_write_32(CRG_PERRSTDIS3_REG, 0x8c000000);
314 /* clk enable */
315 mmio_write_32(SCTRL_SCCLKDIV6_REG, 0x08000800);
316 mmio_write_32(SCTRL_SCPEREN2_REG, 0x00104000);
317 mmio_write_32(CRG_PEREN7_REG, 0x000003a0);
318 }
319
ispfunc_enable(void)320 static void ispfunc_enable(void)
321 {
322 /* enable ispfunc. Otherwise powerup isp_srt causes exception. */
323 mmio_write_32(0xfff35000, 0x00000008);
324 mmio_write_32(0xfff35460, 0xc004ffff);
325 mmio_write_32(0xfff35030, 0x02000000);
326 mdelay(10);
327 }
328
isps_control_clock(int flag)329 static void isps_control_clock(int flag)
330 {
331 unsigned int ret;
332
333 /* flag: 0 -- disable clock, 1 -- enable clock */
334 if (flag) {
335 ret = mmio_read_32(0xe8420364);
336 ret |= 1;
337 mmio_write_32(0xe8420364, ret);
338 } else {
339 ret = mmio_read_32(0xe8420364);
340 ret &= ~1;
341 mmio_write_32(0xe8420364, ret);
342 }
343 }
344
set_isp_srt_power_up(void)345 static void set_isp_srt_power_up(void)
346 {
347 unsigned int ret;
348
349 ispfunc_enable();
350 /* reset */
351 mmio_write_32(0xe8420374, 0x00000001);
352 mmio_write_32(0xe8420350, 0x00000000);
353 mmio_write_32(0xe8420358, 0x00000000);
354 /* mtcmos on */
355 mmio_write_32(0xfff35150, 0x00400000);
356 udelay(100);
357 /* clk enable */
358 isps_control_clock(1);
359 udelay(1);
360 isps_control_clock(0);
361 udelay(1);
362 /* iso disable */
363 mmio_write_32(0xfff35148, 0x08000000);
364 /* unreset */
365 ret = mmio_read_32(0xe8420374);
366 ret &= ~0x1;
367 mmio_write_32(0xe8420374, ret);
368 /* clk enable */
369 isps_control_clock(1);
370 /* enable clock gating for accessing csi registers */
371 mmio_write_32(0xe8420010, ~0);
372 }
373
hikey960_regulator_enable(void)374 void hikey960_regulator_enable(void)
375 {
376 set_vivobus_power_up();
377 hikey960_enable_ppll3();
378 set_dss_power_up();
379 set_vcodec_power_up();
380 set_vdec_power_up();
381 set_venc_power_up();
382 set_isp_power_up();
383 set_ivp_power_up();
384 set_audio_power_up();
385 set_pcie_power_up();
386 set_isp_srt_power_up();
387
388 /* set ISP_CORE_CTRL_S to unsecure mode */
389 mmio_write_32(0xe8583800, 0x7);
390 /* set ISP_SUB_CTRL_S to unsecure mode */
391 mmio_write_32(0xe8583804, 0xf);
392 }
393
hikey960_tzc_init(void)394 void hikey960_tzc_init(void)
395 {
396 mmio_write_32(TZC_EN0_REG, 0x7fbff066);
397 mmio_write_32(TZC_EN1_REG, 0xfffff5fc);
398 mmio_write_32(TZC_EN2_REG, 0x0007005c);
399 mmio_write_32(TZC_EN3_REG, 0x37030700);
400 mmio_write_32(TZC_EN4_REG, 0xf63fefae);
401 mmio_write_32(TZC_EN5_REG, 0x000410fd);
402 mmio_write_32(TZC_EN6_REG, 0x0063ff68);
403 mmio_write_32(TZC_EN7_REG, 0x030000f3);
404 mmio_write_32(TZC_EN8_REG, 0x00000007);
405 }
406
hikey960_peri_init(void)407 void hikey960_peri_init(void)
408 {
409 /* unreset */
410 mmio_setbits_32(CRG_PERRSTDIS4_REG, 1);
411 }
412
hikey960_pinmux_init(void)413 void hikey960_pinmux_init(void)
414 {
415 unsigned int id;
416
417 hikey960_read_boardid(&id);
418 if (id == 5301) {
419 /* hikey960 hardware v2 */
420 /* GPIO150: LED */
421 mmio_write_32(IOMG_FIX_006_REG, 0);
422 /* GPIO151: LED */
423 mmio_write_32(IOMG_FIX_007_REG, 0);
424 /* GPIO189: LED */
425 mmio_write_32(IOMG_AO_011_REG, 0);
426 /* GPIO190: LED */
427 mmio_write_32(IOMG_AO_012_REG, 0);
428 /* GPIO46 */
429 mmio_write_32(IOMG_044_REG, 0);
430 /* GPIO202 */
431 mmio_write_32(IOMG_AO_023_REG, 0);
432 /* GPIO206 */
433 mmio_write_32(IOMG_AO_026_REG, 0);
434 /* GPIO219 - PD pullup */
435 mmio_write_32(IOMG_AO_039_REG, 0);
436 mmio_write_32(IOCG_AO_043_REG, 1 << 0);
437 }
438 /* GPIO005 - PMU SSI, 10mA */
439 mmio_write_32(IOCG_006_REG, 2 << 4);
440 /* GPIO213 - PCIE_CLKREQ_N */
441 mmio_write_32(IOMG_AO_033_REG, 1);
442 }
443
hikey960_gpio_init(void)444 void hikey960_gpio_init(void)
445 {
446 pl061_gpio_init();
447 pl061_gpio_register(GPIO0_BASE, 0);
448 pl061_gpio_register(GPIO1_BASE, 1);
449 pl061_gpio_register(GPIO2_BASE, 2);
450 pl061_gpio_register(GPIO3_BASE, 3);
451 pl061_gpio_register(GPIO4_BASE, 4);
452 pl061_gpio_register(GPIO5_BASE, 5);
453 pl061_gpio_register(GPIO6_BASE, 6);
454 pl061_gpio_register(GPIO7_BASE, 7);
455 pl061_gpio_register(GPIO8_BASE, 8);
456 pl061_gpio_register(GPIO9_BASE, 9);
457 pl061_gpio_register(GPIO10_BASE, 10);
458 pl061_gpio_register(GPIO11_BASE, 11);
459 pl061_gpio_register(GPIO12_BASE, 12);
460 pl061_gpio_register(GPIO13_BASE, 13);
461 pl061_gpio_register(GPIO14_BASE, 14);
462 pl061_gpio_register(GPIO15_BASE, 15);
463 pl061_gpio_register(GPIO16_BASE, 16);
464 pl061_gpio_register(GPIO17_BASE, 17);
465 pl061_gpio_register(GPIO18_BASE, 18);
466 pl061_gpio_register(GPIO19_BASE, 19);
467 pl061_gpio_register(GPIO20_BASE, 20);
468 pl061_gpio_register(GPIO21_BASE, 21);
469
470 /* PCIE_PERST_N output low */
471 gpio_set_direction(89, GPIO_DIR_OUT);
472 gpio_set_value(89, GPIO_LEVEL_LOW);
473 }
474