xref: /openbmc/u-boot/board/sunxi/board.c (revision ae485b54)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2012-2013 Henrik Nordstrom <henrik@henriknordstrom.net>
4  * (C) Copyright 2013 Luke Kenneth Casson Leighton <lkcl@lkcl.net>
5  *
6  * (C) Copyright 2007-2011
7  * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
8  * Tom Cubie <tangliang@allwinnertech.com>
9  *
10  * Some board init for the Allwinner A10-evb board.
11  */
12 
13 #include <common.h>
14 #include <dm.h>
15 #include <mmc.h>
16 #include <axp_pmic.h>
17 #include <generic-phy.h>
18 #include <phy-sun4i-usb.h>
19 #include <asm/arch/clock.h>
20 #include <asm/arch/cpu.h>
21 #include <asm/arch/display.h>
22 #include <asm/arch/dram.h>
23 #include <asm/arch/gpio.h>
24 #include <asm/arch/mmc.h>
25 #include <asm/arch/spl.h>
26 #ifndef CONFIG_ARM64
27 #include <asm/armv7.h>
28 #endif
29 #include <asm/gpio.h>
30 #include <asm/io.h>
31 #include <crc.h>
32 #include <environment.h>
33 #include <linux/libfdt.h>
34 #include <nand.h>
35 #include <net.h>
36 #include <spl.h>
37 #include <sy8106a.h>
38 #include <asm/setup.h>
39 
40 #if defined CONFIG_VIDEO_LCD_PANEL_I2C && !(defined CONFIG_SPL_BUILD)
41 /* So that we can use pin names in Kconfig and sunxi_name_to_gpio() */
42 int soft_i2c_gpio_sda;
43 int soft_i2c_gpio_scl;
44 
45 static int soft_i2c_board_init(void)
46 {
47 	int ret;
48 
49 	soft_i2c_gpio_sda = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_PANEL_I2C_SDA);
50 	if (soft_i2c_gpio_sda < 0) {
51 		printf("Error invalid soft i2c sda pin: '%s', err %d\n",
52 		       CONFIG_VIDEO_LCD_PANEL_I2C_SDA, soft_i2c_gpio_sda);
53 		return soft_i2c_gpio_sda;
54 	}
55 	ret = gpio_request(soft_i2c_gpio_sda, "soft-i2c-sda");
56 	if (ret) {
57 		printf("Error requesting soft i2c sda pin: '%s', err %d\n",
58 		       CONFIG_VIDEO_LCD_PANEL_I2C_SDA, ret);
59 		return ret;
60 	}
61 
62 	soft_i2c_gpio_scl = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_PANEL_I2C_SCL);
63 	if (soft_i2c_gpio_scl < 0) {
64 		printf("Error invalid soft i2c scl pin: '%s', err %d\n",
65 		       CONFIG_VIDEO_LCD_PANEL_I2C_SCL, soft_i2c_gpio_scl);
66 		return soft_i2c_gpio_scl;
67 	}
68 	ret = gpio_request(soft_i2c_gpio_scl, "soft-i2c-scl");
69 	if (ret) {
70 		printf("Error requesting soft i2c scl pin: '%s', err %d\n",
71 		       CONFIG_VIDEO_LCD_PANEL_I2C_SCL, ret);
72 		return ret;
73 	}
74 
75 	return 0;
76 }
77 #else
78 static int soft_i2c_board_init(void) { return 0; }
79 #endif
80 
81 DECLARE_GLOBAL_DATA_PTR;
82 
83 void i2c_init_board(void)
84 {
85 #ifdef CONFIG_I2C0_ENABLE
86 #if defined(CONFIG_MACH_SUN4I) || \
87     defined(CONFIG_MACH_SUN5I) || \
88     defined(CONFIG_MACH_SUN7I) || \
89     defined(CONFIG_MACH_SUN8I_R40)
90 	sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN4I_GPB_TWI0);
91 	sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN4I_GPB_TWI0);
92 	clock_twi_onoff(0, 1);
93 #elif defined(CONFIG_MACH_SUN6I)
94 	sunxi_gpio_set_cfgpin(SUNXI_GPH(14), SUN6I_GPH_TWI0);
95 	sunxi_gpio_set_cfgpin(SUNXI_GPH(15), SUN6I_GPH_TWI0);
96 	clock_twi_onoff(0, 1);
97 #elif defined(CONFIG_MACH_SUN8I)
98 	sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN8I_GPH_TWI0);
99 	sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN8I_GPH_TWI0);
100 	clock_twi_onoff(0, 1);
101 #endif
102 #endif
103 
104 #ifdef CONFIG_I2C1_ENABLE
105 #if defined(CONFIG_MACH_SUN4I) || \
106     defined(CONFIG_MACH_SUN7I) || \
107     defined(CONFIG_MACH_SUN8I_R40)
108 	sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN4I_GPB_TWI1);
109 	sunxi_gpio_set_cfgpin(SUNXI_GPB(19), SUN4I_GPB_TWI1);
110 	clock_twi_onoff(1, 1);
111 #elif defined(CONFIG_MACH_SUN5I)
112 	sunxi_gpio_set_cfgpin(SUNXI_GPB(15), SUN5I_GPB_TWI1);
113 	sunxi_gpio_set_cfgpin(SUNXI_GPB(16), SUN5I_GPB_TWI1);
114 	clock_twi_onoff(1, 1);
115 #elif defined(CONFIG_MACH_SUN6I)
116 	sunxi_gpio_set_cfgpin(SUNXI_GPH(16), SUN6I_GPH_TWI1);
117 	sunxi_gpio_set_cfgpin(SUNXI_GPH(17), SUN6I_GPH_TWI1);
118 	clock_twi_onoff(1, 1);
119 #elif defined(CONFIG_MACH_SUN8I)
120 	sunxi_gpio_set_cfgpin(SUNXI_GPH(4), SUN8I_GPH_TWI1);
121 	sunxi_gpio_set_cfgpin(SUNXI_GPH(5), SUN8I_GPH_TWI1);
122 	clock_twi_onoff(1, 1);
123 #endif
124 #endif
125 
126 #ifdef CONFIG_I2C2_ENABLE
127 #if defined(CONFIG_MACH_SUN4I) || \
128     defined(CONFIG_MACH_SUN7I) || \
129     defined(CONFIG_MACH_SUN8I_R40)
130 	sunxi_gpio_set_cfgpin(SUNXI_GPB(20), SUN4I_GPB_TWI2);
131 	sunxi_gpio_set_cfgpin(SUNXI_GPB(21), SUN4I_GPB_TWI2);
132 	clock_twi_onoff(2, 1);
133 #elif defined(CONFIG_MACH_SUN5I)
134 	sunxi_gpio_set_cfgpin(SUNXI_GPB(17), SUN5I_GPB_TWI2);
135 	sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN5I_GPB_TWI2);
136 	clock_twi_onoff(2, 1);
137 #elif defined(CONFIG_MACH_SUN6I)
138 	sunxi_gpio_set_cfgpin(SUNXI_GPH(18), SUN6I_GPH_TWI2);
139 	sunxi_gpio_set_cfgpin(SUNXI_GPH(19), SUN6I_GPH_TWI2);
140 	clock_twi_onoff(2, 1);
141 #elif defined(CONFIG_MACH_SUN8I)
142 	sunxi_gpio_set_cfgpin(SUNXI_GPE(12), SUN8I_GPE_TWI2);
143 	sunxi_gpio_set_cfgpin(SUNXI_GPE(13), SUN8I_GPE_TWI2);
144 	clock_twi_onoff(2, 1);
145 #endif
146 #endif
147 
148 #ifdef CONFIG_I2C3_ENABLE
149 #if defined(CONFIG_MACH_SUN6I)
150 	sunxi_gpio_set_cfgpin(SUNXI_GPG(10), SUN6I_GPG_TWI3);
151 	sunxi_gpio_set_cfgpin(SUNXI_GPG(11), SUN6I_GPG_TWI3);
152 	clock_twi_onoff(3, 1);
153 #elif defined(CONFIG_MACH_SUN7I) || \
154       defined(CONFIG_MACH_SUN8I_R40)
155 	sunxi_gpio_set_cfgpin(SUNXI_GPI(0), SUN7I_GPI_TWI3);
156 	sunxi_gpio_set_cfgpin(SUNXI_GPI(1), SUN7I_GPI_TWI3);
157 	clock_twi_onoff(3, 1);
158 #endif
159 #endif
160 
161 #ifdef CONFIG_I2C4_ENABLE
162 #if defined(CONFIG_MACH_SUN7I) || \
163     defined(CONFIG_MACH_SUN8I_R40)
164 	sunxi_gpio_set_cfgpin(SUNXI_GPI(2), SUN7I_GPI_TWI4);
165 	sunxi_gpio_set_cfgpin(SUNXI_GPI(3), SUN7I_GPI_TWI4);
166 	clock_twi_onoff(4, 1);
167 #endif
168 #endif
169 
170 #ifdef CONFIG_R_I2C_ENABLE
171 	clock_twi_onoff(5, 1);
172 	sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI);
173 	sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_H3_GPL_R_TWI);
174 #endif
175 }
176 
177 #if defined(CONFIG_ENV_IS_IN_MMC) && defined(CONFIG_ENV_IS_IN_FAT)
178 enum env_location env_get_location(enum env_operation op, int prio)
179 {
180 	switch (prio) {
181 	case 0:
182 		return ENVL_FAT;
183 
184 	case 1:
185 		return ENVL_MMC;
186 
187 	default:
188 		return ENVL_UNKNOWN;
189 	}
190 }
191 #endif
192 
193 /* add board specific code here */
194 int board_init(void)
195 {
196 	__maybe_unused int id_pfr1, ret, satapwr_pin, macpwr_pin;
197 
198 	gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100);
199 
200 #ifndef CONFIG_ARM64
201 	asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1));
202 	debug("id_pfr1: 0x%08x\n", id_pfr1);
203 	/* Generic Timer Extension available? */
204 	if ((id_pfr1 >> CPUID_ARM_GENTIMER_SHIFT) & 0xf) {
205 		uint32_t freq;
206 
207 		debug("Setting CNTFRQ\n");
208 
209 		/*
210 		 * CNTFRQ is a secure register, so we will crash if we try to
211 		 * write this from the non-secure world (read is OK, though).
212 		 * In case some bootcode has already set the correct value,
213 		 * we avoid the risk of writing to it.
214 		 */
215 		asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r"(freq));
216 		if (freq != COUNTER_FREQUENCY) {
217 			debug("arch timer frequency is %d Hz, should be %d, fixing ...\n",
218 			      freq, COUNTER_FREQUENCY);
219 #ifdef CONFIG_NON_SECURE
220 			printf("arch timer frequency is wrong, but cannot adjust it\n");
221 #else
222 			asm volatile("mcr p15, 0, %0, c14, c0, 0"
223 				     : : "r"(COUNTER_FREQUENCY));
224 #endif
225 		}
226 	}
227 #endif /* !CONFIG_ARM64 */
228 
229 	ret = axp_gpio_init();
230 	if (ret)
231 		return ret;
232 
233 #ifdef CONFIG_SATAPWR
234 	satapwr_pin = sunxi_name_to_gpio(CONFIG_SATAPWR);
235 	gpio_request(satapwr_pin, "satapwr");
236 	gpio_direction_output(satapwr_pin, 1);
237 	/* Give attached sata device time to power-up to avoid link timeouts */
238 	mdelay(500);
239 #endif
240 #ifdef CONFIG_MACPWR
241 	macpwr_pin = sunxi_name_to_gpio(CONFIG_MACPWR);
242 	gpio_request(macpwr_pin, "macpwr");
243 	gpio_direction_output(macpwr_pin, 1);
244 #endif
245 
246 #ifdef CONFIG_DM_I2C
247 	/*
248 	 * Temporary workaround for enabling I2C clocks until proper sunxi DM
249 	 * clk, reset and pinctrl drivers land.
250 	 */
251 	i2c_init_board();
252 #endif
253 
254 	/* Uses dm gpio code so do this here and not in i2c_init_board() */
255 	return soft_i2c_board_init();
256 }
257 
258 int dram_init(void)
259 {
260 	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0, PHYS_SDRAM_0_SIZE);
261 
262 	return 0;
263 }
264 
265 #if defined(CONFIG_NAND_SUNXI)
266 static void nand_pinmux_setup(void)
267 {
268 	unsigned int pin;
269 
270 	for (pin = SUNXI_GPC(0); pin <= SUNXI_GPC(19); pin++)
271 		sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND);
272 
273 #if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN7I
274 	for (pin = SUNXI_GPC(20); pin <= SUNXI_GPC(22); pin++)
275 		sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND);
276 #endif
277 	/* sun4i / sun7i do have a PC23, but it is not used for nand,
278 	 * only sun7i has a PC24 */
279 #ifdef CONFIG_MACH_SUN7I
280 	sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_NAND);
281 #endif
282 }
283 
284 static void nand_clock_setup(void)
285 {
286 	struct sunxi_ccm_reg *const ccm =
287 		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
288 
289 	setbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0));
290 #if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I || \
291     defined CONFIG_MACH_SUN9I || defined CONFIG_MACH_SUN50I
292 	setbits_le32(&ccm->ahb_reset0_cfg, (1 << AHB_GATE_OFFSET_NAND0));
293 #endif
294 	setbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1);
295 }
296 
297 void board_nand_init(void)
298 {
299 	nand_pinmux_setup();
300 	nand_clock_setup();
301 #ifndef CONFIG_SPL_BUILD
302 	sunxi_nand_init();
303 #endif
304 }
305 #endif
306 
307 #ifdef CONFIG_MMC
308 static void mmc_pinmux_setup(int sdc)
309 {
310 	unsigned int pin;
311 	__maybe_unused int pins;
312 
313 	switch (sdc) {
314 	case 0:
315 		/* SDC0: PF0-PF5 */
316 		for (pin = SUNXI_GPF(0); pin <= SUNXI_GPF(5); pin++) {
317 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPF_SDC0);
318 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
319 			sunxi_gpio_set_drv(pin, 2);
320 		}
321 		break;
322 
323 	case 1:
324 		pins = sunxi_name_to_gpio_bank(CONFIG_MMC1_PINS);
325 
326 #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) || \
327     defined(CONFIG_MACH_SUN8I_R40)
328 		if (pins == SUNXI_GPIO_H) {
329 			/* SDC1: PH22-PH-27 */
330 			for (pin = SUNXI_GPH(22); pin <= SUNXI_GPH(27); pin++) {
331 				sunxi_gpio_set_cfgpin(pin, SUN4I_GPH_SDC1);
332 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
333 				sunxi_gpio_set_drv(pin, 2);
334 			}
335 		} else {
336 			/* SDC1: PG0-PG5 */
337 			for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
338 				sunxi_gpio_set_cfgpin(pin, SUN4I_GPG_SDC1);
339 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
340 				sunxi_gpio_set_drv(pin, 2);
341 			}
342 		}
343 #elif defined(CONFIG_MACH_SUN5I)
344 		/* SDC1: PG3-PG8 */
345 		for (pin = SUNXI_GPG(3); pin <= SUNXI_GPG(8); pin++) {
346 			sunxi_gpio_set_cfgpin(pin, SUN5I_GPG_SDC1);
347 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
348 			sunxi_gpio_set_drv(pin, 2);
349 		}
350 #elif defined(CONFIG_MACH_SUN6I)
351 		/* SDC1: PG0-PG5 */
352 		for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
353 			sunxi_gpio_set_cfgpin(pin, SUN6I_GPG_SDC1);
354 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
355 			sunxi_gpio_set_drv(pin, 2);
356 		}
357 #elif defined(CONFIG_MACH_SUN8I)
358 		if (pins == SUNXI_GPIO_D) {
359 			/* SDC1: PD2-PD7 */
360 			for (pin = SUNXI_GPD(2); pin <= SUNXI_GPD(7); pin++) {
361 				sunxi_gpio_set_cfgpin(pin, SUN8I_GPD_SDC1);
362 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
363 				sunxi_gpio_set_drv(pin, 2);
364 			}
365 		} else {
366 			/* SDC1: PG0-PG5 */
367 			for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
368 				sunxi_gpio_set_cfgpin(pin, SUN8I_GPG_SDC1);
369 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
370 				sunxi_gpio_set_drv(pin, 2);
371 			}
372 		}
373 #endif
374 		break;
375 
376 	case 2:
377 		pins = sunxi_name_to_gpio_bank(CONFIG_MMC2_PINS);
378 
379 #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I)
380 		/* SDC2: PC6-PC11 */
381 		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(11); pin++) {
382 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
383 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
384 			sunxi_gpio_set_drv(pin, 2);
385 		}
386 #elif defined(CONFIG_MACH_SUN5I)
387 		if (pins == SUNXI_GPIO_E) {
388 			/* SDC2: PE4-PE9 */
389 			for (pin = SUNXI_GPE(4); pin <= SUNXI_GPD(9); pin++) {
390 				sunxi_gpio_set_cfgpin(pin, SUN5I_GPE_SDC2);
391 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
392 				sunxi_gpio_set_drv(pin, 2);
393 			}
394 		} else {
395 			/* SDC2: PC6-PC15 */
396 			for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
397 				sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
398 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
399 				sunxi_gpio_set_drv(pin, 2);
400 			}
401 		}
402 #elif defined(CONFIG_MACH_SUN6I)
403 		if (pins == SUNXI_GPIO_A) {
404 			/* SDC2: PA9-PA14 */
405 			for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) {
406 				sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_SDC2);
407 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
408 				sunxi_gpio_set_drv(pin, 2);
409 			}
410 		} else {
411 			/* SDC2: PC6-PC15, PC24 */
412 			for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
413 				sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
414 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
415 				sunxi_gpio_set_drv(pin, 2);
416 			}
417 
418 			sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_SDC2);
419 			sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
420 			sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
421 		}
422 #elif defined(CONFIG_MACH_SUN8I_R40)
423 		/* SDC2: PC6-PC15, PC24 */
424 		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
425 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
426 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
427 			sunxi_gpio_set_drv(pin, 2);
428 		}
429 
430 		sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_SDC2);
431 		sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
432 		sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
433 #elif defined(CONFIG_MACH_SUN8I) || defined(CONFIG_MACH_SUN50I)
434 		/* SDC2: PC5-PC6, PC8-PC16 */
435 		for (pin = SUNXI_GPC(5); pin <= SUNXI_GPC(6); pin++) {
436 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
437 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
438 			sunxi_gpio_set_drv(pin, 2);
439 		}
440 
441 		for (pin = SUNXI_GPC(8); pin <= SUNXI_GPC(16); pin++) {
442 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
443 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
444 			sunxi_gpio_set_drv(pin, 2);
445 		}
446 #elif defined(CONFIG_MACH_SUN9I)
447 		/* SDC2: PC6-PC16 */
448 		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(16); pin++) {
449 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
450 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
451 			sunxi_gpio_set_drv(pin, 2);
452 		}
453 #endif
454 		break;
455 
456 	case 3:
457 		pins = sunxi_name_to_gpio_bank(CONFIG_MMC3_PINS);
458 
459 #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) || \
460     defined(CONFIG_MACH_SUN8I_R40)
461 		/* SDC3: PI4-PI9 */
462 		for (pin = SUNXI_GPI(4); pin <= SUNXI_GPI(9); pin++) {
463 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPI_SDC3);
464 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
465 			sunxi_gpio_set_drv(pin, 2);
466 		}
467 #elif defined(CONFIG_MACH_SUN6I)
468 		if (pins == SUNXI_GPIO_A) {
469 			/* SDC3: PA9-PA14 */
470 			for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) {
471 				sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_SDC3);
472 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
473 				sunxi_gpio_set_drv(pin, 2);
474 			}
475 		} else {
476 			/* SDC3: PC6-PC15, PC24 */
477 			for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
478 				sunxi_gpio_set_cfgpin(pin, SUN6I_GPC_SDC3);
479 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
480 				sunxi_gpio_set_drv(pin, 2);
481 			}
482 
483 			sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUN6I_GPC_SDC3);
484 			sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
485 			sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
486 		}
487 #endif
488 		break;
489 
490 	default:
491 		printf("sunxi: invalid MMC slot %d for pinmux setup\n", sdc);
492 		break;
493 	}
494 }
495 
496 int board_mmc_init(bd_t *bis)
497 {
498 	__maybe_unused struct mmc *mmc0, *mmc1;
499 	__maybe_unused char buf[512];
500 
501 	mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT);
502 	mmc0 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT);
503 	if (!mmc0)
504 		return -1;
505 
506 #if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1
507 	mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA);
508 	mmc1 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA);
509 	if (!mmc1)
510 		return -1;
511 #endif
512 
513 	return 0;
514 }
515 #endif
516 
517 #ifdef CONFIG_SPL_BUILD
518 void sunxi_board_init(void)
519 {
520 	int power_failed = 0;
521 
522 #ifdef CONFIG_SY8106A_POWER
523 	power_failed = sy8106a_set_vout1(CONFIG_SY8106A_VOUT1_VOLT);
524 #endif
525 
526 #if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || \
527 	defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
528 	defined CONFIG_AXP818_POWER
529 	power_failed = axp_init();
530 
531 #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
532 	defined CONFIG_AXP818_POWER
533 	power_failed |= axp_set_dcdc1(CONFIG_AXP_DCDC1_VOLT);
534 #endif
535 	power_failed |= axp_set_dcdc2(CONFIG_AXP_DCDC2_VOLT);
536 	power_failed |= axp_set_dcdc3(CONFIG_AXP_DCDC3_VOLT);
537 #if !defined(CONFIG_AXP209_POWER) && !defined(CONFIG_AXP818_POWER)
538 	power_failed |= axp_set_dcdc4(CONFIG_AXP_DCDC4_VOLT);
539 #endif
540 #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
541 	defined CONFIG_AXP818_POWER
542 	power_failed |= axp_set_dcdc5(CONFIG_AXP_DCDC5_VOLT);
543 #endif
544 
545 #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
546 	defined CONFIG_AXP818_POWER
547 	power_failed |= axp_set_aldo1(CONFIG_AXP_ALDO1_VOLT);
548 #endif
549 	power_failed |= axp_set_aldo2(CONFIG_AXP_ALDO2_VOLT);
550 #if !defined(CONFIG_AXP152_POWER)
551 	power_failed |= axp_set_aldo3(CONFIG_AXP_ALDO3_VOLT);
552 #endif
553 #ifdef CONFIG_AXP209_POWER
554 	power_failed |= axp_set_aldo4(CONFIG_AXP_ALDO4_VOLT);
555 #endif
556 
557 #if defined(CONFIG_AXP221_POWER) || defined(CONFIG_AXP809_POWER) || \
558 	defined(CONFIG_AXP818_POWER)
559 	power_failed |= axp_set_dldo(1, CONFIG_AXP_DLDO1_VOLT);
560 	power_failed |= axp_set_dldo(2, CONFIG_AXP_DLDO2_VOLT);
561 #if !defined CONFIG_AXP809_POWER
562 	power_failed |= axp_set_dldo(3, CONFIG_AXP_DLDO3_VOLT);
563 	power_failed |= axp_set_dldo(4, CONFIG_AXP_DLDO4_VOLT);
564 #endif
565 	power_failed |= axp_set_eldo(1, CONFIG_AXP_ELDO1_VOLT);
566 	power_failed |= axp_set_eldo(2, CONFIG_AXP_ELDO2_VOLT);
567 	power_failed |= axp_set_eldo(3, CONFIG_AXP_ELDO3_VOLT);
568 #endif
569 
570 #ifdef CONFIG_AXP818_POWER
571 	power_failed |= axp_set_fldo(1, CONFIG_AXP_FLDO1_VOLT);
572 	power_failed |= axp_set_fldo(2, CONFIG_AXP_FLDO2_VOLT);
573 	power_failed |= axp_set_fldo(3, CONFIG_AXP_FLDO3_VOLT);
574 #endif
575 
576 #if defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER
577 	power_failed |= axp_set_sw(IS_ENABLED(CONFIG_AXP_SW_ON));
578 #endif
579 #endif
580 	printf("DRAM:");
581 	gd->ram_size = sunxi_dram_init();
582 	printf(" %d MiB\n", (int)(gd->ram_size >> 20));
583 	if (!gd->ram_size)
584 		hang();
585 
586 	/*
587 	 * Only clock up the CPU to full speed if we are reasonably
588 	 * assured it's being powered with suitable core voltage
589 	 */
590 	if (!power_failed)
591 		clock_set_pll1(CONFIG_SYS_CLK_FREQ);
592 	else
593 		printf("Failed to set core voltage! Can't set CPU frequency\n");
594 }
595 #endif
596 
597 #ifdef CONFIG_USB_GADGET
598 int g_dnl_board_usb_cable_connected(void)
599 {
600 	struct udevice *dev;
601 	struct phy phy;
602 	int ret;
603 
604 	ret = uclass_get_device(UCLASS_USB_DEV_GENERIC, 0, &dev);
605 	if (ret) {
606 		pr_err("%s: Cannot find USB device\n", __func__);
607 		return ret;
608 	}
609 
610 	ret = generic_phy_get_by_name(dev, "usb", &phy);
611 	if (ret) {
612 		pr_err("failed to get %s USB PHY\n", dev->name);
613 		return ret;
614 	}
615 
616 	ret = generic_phy_init(&phy);
617 	if (ret) {
618 		pr_err("failed to init %s USB PHY\n", dev->name);
619 		return ret;
620 	}
621 
622 	ret = sun4i_usb_phy_vbus_detect(&phy);
623 	if (ret == 1) {
624 		pr_err("A charger is plugged into the OTG\n");
625 		return -ENODEV;
626 	}
627 
628 	return ret;
629 }
630 #endif
631 
632 #ifdef CONFIG_SERIAL_TAG
633 void get_board_serial(struct tag_serialnr *serialnr)
634 {
635 	char *serial_string;
636 	unsigned long long serial;
637 
638 	serial_string = env_get("serial#");
639 
640 	if (serial_string) {
641 		serial = simple_strtoull(serial_string, NULL, 16);
642 
643 		serialnr->high = (unsigned int) (serial >> 32);
644 		serialnr->low = (unsigned int) (serial & 0xffffffff);
645 	} else {
646 		serialnr->high = 0;
647 		serialnr->low = 0;
648 	}
649 }
650 #endif
651 
652 /*
653  * Check the SPL header for the "sunxi" variant. If found: parse values
654  * that might have been passed by the loader ("fel" utility), and update
655  * the environment accordingly.
656  */
657 static void parse_spl_header(const uint32_t spl_addr)
658 {
659 	struct boot_file_head *spl = (void *)(ulong)spl_addr;
660 	if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) != 0)
661 		return; /* signature mismatch, no usable header */
662 
663 	uint8_t spl_header_version = spl->spl_signature[3];
664 	if (spl_header_version != SPL_HEADER_VERSION) {
665 		printf("sunxi SPL version mismatch: expected %u, got %u\n",
666 		       SPL_HEADER_VERSION, spl_header_version);
667 		return;
668 	}
669 	if (!spl->fel_script_address)
670 		return;
671 
672 	if (spl->fel_uEnv_length != 0) {
673 		/*
674 		 * data is expected in uEnv.txt compatible format, so "env
675 		 * import -t" the string(s) at fel_script_address right away.
676 		 */
677 		himport_r(&env_htab, (char *)(uintptr_t)spl->fel_script_address,
678 			  spl->fel_uEnv_length, '\n', H_NOCLEAR, 0, 0, NULL);
679 		return;
680 	}
681 	/* otherwise assume .scr format (mkimage-type script) */
682 	env_set_hex("fel_scriptaddr", spl->fel_script_address);
683 }
684 
685 /*
686  * Note this function gets called multiple times.
687  * It must not make any changes to env variables which already exist.
688  */
689 static void setup_environment(const void *fdt)
690 {
691 	char serial_string[17] = { 0 };
692 	unsigned int sid[4];
693 	uint8_t mac_addr[6];
694 	char ethaddr[16];
695 	int i, ret;
696 
697 	ret = sunxi_get_sid(sid);
698 	if (ret == 0 && sid[0] != 0) {
699 		/*
700 		 * The single words 1 - 3 of the SID have quite a few bits
701 		 * which are the same on many models, so we take a crc32
702 		 * of all 3 words, to get a more unique value.
703 		 *
704 		 * Note we only do this on newer SoCs as we cannot change
705 		 * the algorithm on older SoCs since those have been using
706 		 * fixed mac-addresses based on only using word 3 for a
707 		 * long time and changing a fixed mac-address with an
708 		 * u-boot update is not good.
709 		 */
710 #if !defined(CONFIG_MACH_SUN4I) && !defined(CONFIG_MACH_SUN5I) && \
711     !defined(CONFIG_MACH_SUN6I) && !defined(CONFIG_MACH_SUN7I) && \
712     !defined(CONFIG_MACH_SUN8I_A23) && !defined(CONFIG_MACH_SUN8I_A33)
713 		sid[3] = crc32(0, (unsigned char *)&sid[1], 12);
714 #endif
715 
716 		/* Ensure the NIC specific bytes of the mac are not all 0 */
717 		if ((sid[3] & 0xffffff) == 0)
718 			sid[3] |= 0x800000;
719 
720 		for (i = 0; i < 4; i++) {
721 			sprintf(ethaddr, "ethernet%d", i);
722 			if (!fdt_get_alias(fdt, ethaddr))
723 				continue;
724 
725 			if (i == 0)
726 				strcpy(ethaddr, "ethaddr");
727 			else
728 				sprintf(ethaddr, "eth%daddr", i);
729 
730 			if (env_get(ethaddr))
731 				continue;
732 
733 			/* Non OUI / registered MAC address */
734 			mac_addr[0] = (i << 4) | 0x02;
735 			mac_addr[1] = (sid[0] >>  0) & 0xff;
736 			mac_addr[2] = (sid[3] >> 24) & 0xff;
737 			mac_addr[3] = (sid[3] >> 16) & 0xff;
738 			mac_addr[4] = (sid[3] >>  8) & 0xff;
739 			mac_addr[5] = (sid[3] >>  0) & 0xff;
740 
741 			eth_env_set_enetaddr(ethaddr, mac_addr);
742 		}
743 
744 		if (!env_get("serial#")) {
745 			snprintf(serial_string, sizeof(serial_string),
746 				"%08x%08x", sid[0], sid[3]);
747 
748 			env_set("serial#", serial_string);
749 		}
750 	}
751 }
752 
753 int misc_init_r(void)
754 {
755 	__maybe_unused int ret;
756 	uint boot;
757 
758 	env_set("fel_booted", NULL);
759 	env_set("fel_scriptaddr", NULL);
760 	env_set("mmc_bootdev", NULL);
761 
762 	boot = sunxi_get_boot_device();
763 	/* determine if we are running in FEL mode */
764 	if (boot == BOOT_DEVICE_BOARD) {
765 		env_set("fel_booted", "1");
766 		parse_spl_header(SPL_ADDR);
767 	/* or if we booted from MMC, and which one */
768 	} else if (boot == BOOT_DEVICE_MMC1) {
769 		env_set("mmc_bootdev", "0");
770 	} else if (boot == BOOT_DEVICE_MMC2) {
771 		env_set("mmc_bootdev", "1");
772 	}
773 
774 	setup_environment(gd->fdt_blob);
775 
776 #ifdef CONFIG_USB_ETHER
777 	usb_ether_init();
778 #endif
779 
780 	return 0;
781 }
782 
783 int ft_board_setup(void *blob, bd_t *bd)
784 {
785 	int __maybe_unused r;
786 
787 	/*
788 	 * Call setup_environment again in case the boot fdt has
789 	 * ethernet aliases the u-boot copy does not have.
790 	 */
791 	setup_environment(blob);
792 
793 #ifdef CONFIG_VIDEO_DT_SIMPLEFB
794 	r = sunxi_simplefb_setup(blob);
795 	if (r)
796 		return r;
797 #endif
798 	return 0;
799 }
800 
801 #ifdef CONFIG_SPL_LOAD_FIT
802 int board_fit_config_name_match(const char *name)
803 {
804 	struct boot_file_head *spl = (void *)(ulong)SPL_ADDR;
805 	const char *cmp_str = (void *)(ulong)SPL_ADDR;
806 
807 	/* Check if there is a DT name stored in the SPL header and use that. */
808 	if (spl->dt_name_offset) {
809 		cmp_str += spl->dt_name_offset;
810 	} else {
811 #ifdef CONFIG_DEFAULT_DEVICE_TREE
812 		cmp_str = CONFIG_DEFAULT_DEVICE_TREE;
813 #else
814 		return 0;
815 #endif
816 	};
817 
818 /* Differentiate the two Pine64 board DTs by their DRAM size. */
819 	if (strstr(name, "-pine64") && strstr(cmp_str, "-pine64")) {
820 		if ((gd->ram_size > 512 * 1024 * 1024))
821 			return !strstr(name, "plus");
822 		else
823 			return !!strstr(name, "plus");
824 	} else {
825 		return strcmp(name, cmp_str);
826 	}
827 }
828 #endif
829