xref: /openbmc/u-boot/board/sunxi/board.c (revision cbd2fba1)
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 #ifdef CONFIG_MACH_SUN50I
172 	clock_twi_onoff(5, 1);
173 	sunxi_gpio_set_cfgpin(SUNXI_GPL(8), SUN50I_GPL_R_TWI);
174 	sunxi_gpio_set_cfgpin(SUNXI_GPL(9), SUN50I_GPL_R_TWI);
175 #else
176 	clock_twi_onoff(5, 1);
177 	sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI);
178 	sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_H3_GPL_R_TWI);
179 #endif
180 #endif
181 }
182 
183 #if defined(CONFIG_ENV_IS_IN_MMC) && defined(CONFIG_ENV_IS_IN_FAT)
184 enum env_location env_get_location(enum env_operation op, int prio)
185 {
186 	switch (prio) {
187 	case 0:
188 		return ENVL_FAT;
189 
190 	case 1:
191 		return ENVL_MMC;
192 
193 	default:
194 		return ENVL_UNKNOWN;
195 	}
196 }
197 #endif
198 
199 /* add board specific code here */
200 int board_init(void)
201 {
202 	__maybe_unused int id_pfr1, ret, satapwr_pin, macpwr_pin;
203 
204 	gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100);
205 
206 #ifndef CONFIG_ARM64
207 	asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1));
208 	debug("id_pfr1: 0x%08x\n", id_pfr1);
209 	/* Generic Timer Extension available? */
210 	if ((id_pfr1 >> CPUID_ARM_GENTIMER_SHIFT) & 0xf) {
211 		uint32_t freq;
212 
213 		debug("Setting CNTFRQ\n");
214 
215 		/*
216 		 * CNTFRQ is a secure register, so we will crash if we try to
217 		 * write this from the non-secure world (read is OK, though).
218 		 * In case some bootcode has already set the correct value,
219 		 * we avoid the risk of writing to it.
220 		 */
221 		asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r"(freq));
222 		if (freq != COUNTER_FREQUENCY) {
223 			debug("arch timer frequency is %d Hz, should be %d, fixing ...\n",
224 			      freq, COUNTER_FREQUENCY);
225 #ifdef CONFIG_NON_SECURE
226 			printf("arch timer frequency is wrong, but cannot adjust it\n");
227 #else
228 			asm volatile("mcr p15, 0, %0, c14, c0, 0"
229 				     : : "r"(COUNTER_FREQUENCY));
230 #endif
231 		}
232 	}
233 #endif /* !CONFIG_ARM64 */
234 
235 	ret = axp_gpio_init();
236 	if (ret)
237 		return ret;
238 
239 #ifdef CONFIG_SATAPWR
240 	satapwr_pin = sunxi_name_to_gpio(CONFIG_SATAPWR);
241 	gpio_request(satapwr_pin, "satapwr");
242 	gpio_direction_output(satapwr_pin, 1);
243 	/* Give attached sata device time to power-up to avoid link timeouts */
244 	mdelay(500);
245 #endif
246 #ifdef CONFIG_MACPWR
247 	macpwr_pin = sunxi_name_to_gpio(CONFIG_MACPWR);
248 	gpio_request(macpwr_pin, "macpwr");
249 	gpio_direction_output(macpwr_pin, 1);
250 #endif
251 
252 #ifdef CONFIG_DM_I2C
253 	/*
254 	 * Temporary workaround for enabling I2C clocks until proper sunxi DM
255 	 * clk, reset and pinctrl drivers land.
256 	 */
257 	i2c_init_board();
258 #endif
259 
260 	/* Uses dm gpio code so do this here and not in i2c_init_board() */
261 	return soft_i2c_board_init();
262 }
263 
264 /*
265  * On older SoCs the SPL is actually at address zero, so using NULL as
266  * an error value does not work.
267  */
268 #define INVALID_SPL_HEADER ((void *)~0UL)
269 
270 static struct boot_file_head * get_spl_header(uint8_t req_version)
271 {
272 	struct boot_file_head *spl = (void *)(ulong)SPL_ADDR;
273 	uint8_t spl_header_version = spl->spl_signature[3];
274 
275 	/* Is there really the SPL header (still) there? */
276 	if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) != 0)
277 		return INVALID_SPL_HEADER;
278 
279 	if (spl_header_version < req_version) {
280 		printf("sunxi SPL version mismatch: expected %u, got %u\n",
281 		       req_version, spl_header_version);
282 		return INVALID_SPL_HEADER;
283 	}
284 
285 	return spl;
286 }
287 
288 int dram_init(void)
289 {
290 	struct boot_file_head *spl = get_spl_header(SPL_DRAM_HEADER_VERSION);
291 
292 	if (spl == INVALID_SPL_HEADER)
293 		gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0,
294 					    PHYS_SDRAM_0_SIZE);
295 	else
296 		gd->ram_size = (phys_addr_t)spl->dram_size << 20;
297 
298 	if (gd->ram_size > CONFIG_SUNXI_DRAM_MAX_SIZE)
299 		gd->ram_size = CONFIG_SUNXI_DRAM_MAX_SIZE;
300 
301 	return 0;
302 }
303 
304 #if defined(CONFIG_NAND_SUNXI)
305 static void nand_pinmux_setup(void)
306 {
307 	unsigned int pin;
308 
309 	for (pin = SUNXI_GPC(0); pin <= SUNXI_GPC(19); pin++)
310 		sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND);
311 
312 #if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN7I
313 	for (pin = SUNXI_GPC(20); pin <= SUNXI_GPC(22); pin++)
314 		sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND);
315 #endif
316 	/* sun4i / sun7i do have a PC23, but it is not used for nand,
317 	 * only sun7i has a PC24 */
318 #ifdef CONFIG_MACH_SUN7I
319 	sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_NAND);
320 #endif
321 }
322 
323 static void nand_clock_setup(void)
324 {
325 	struct sunxi_ccm_reg *const ccm =
326 		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
327 
328 	setbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0));
329 #if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I || \
330     defined CONFIG_MACH_SUN9I || defined CONFIG_MACH_SUN50I
331 	setbits_le32(&ccm->ahb_reset0_cfg, (1 << AHB_GATE_OFFSET_NAND0));
332 #endif
333 	setbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1);
334 }
335 
336 void board_nand_init(void)
337 {
338 	nand_pinmux_setup();
339 	nand_clock_setup();
340 #ifndef CONFIG_SPL_BUILD
341 	sunxi_nand_init();
342 #endif
343 }
344 #endif
345 
346 #ifdef CONFIG_MMC
347 static void mmc_pinmux_setup(int sdc)
348 {
349 	unsigned int pin;
350 	__maybe_unused int pins;
351 
352 	switch (sdc) {
353 	case 0:
354 		/* SDC0: PF0-PF5 */
355 		for (pin = SUNXI_GPF(0); pin <= SUNXI_GPF(5); pin++) {
356 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPF_SDC0);
357 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
358 			sunxi_gpio_set_drv(pin, 2);
359 		}
360 		break;
361 
362 	case 1:
363 		pins = sunxi_name_to_gpio_bank(CONFIG_MMC1_PINS);
364 
365 #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) || \
366     defined(CONFIG_MACH_SUN8I_R40)
367 		if (pins == SUNXI_GPIO_H) {
368 			/* SDC1: PH22-PH-27 */
369 			for (pin = SUNXI_GPH(22); pin <= SUNXI_GPH(27); pin++) {
370 				sunxi_gpio_set_cfgpin(pin, SUN4I_GPH_SDC1);
371 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
372 				sunxi_gpio_set_drv(pin, 2);
373 			}
374 		} else {
375 			/* SDC1: PG0-PG5 */
376 			for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
377 				sunxi_gpio_set_cfgpin(pin, SUN4I_GPG_SDC1);
378 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
379 				sunxi_gpio_set_drv(pin, 2);
380 			}
381 		}
382 #elif defined(CONFIG_MACH_SUN5I)
383 		/* SDC1: PG3-PG8 */
384 		for (pin = SUNXI_GPG(3); pin <= SUNXI_GPG(8); pin++) {
385 			sunxi_gpio_set_cfgpin(pin, SUN5I_GPG_SDC1);
386 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
387 			sunxi_gpio_set_drv(pin, 2);
388 		}
389 #elif defined(CONFIG_MACH_SUN6I)
390 		/* SDC1: PG0-PG5 */
391 		for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
392 			sunxi_gpio_set_cfgpin(pin, SUN6I_GPG_SDC1);
393 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
394 			sunxi_gpio_set_drv(pin, 2);
395 		}
396 #elif defined(CONFIG_MACH_SUN8I)
397 		if (pins == SUNXI_GPIO_D) {
398 			/* SDC1: PD2-PD7 */
399 			for (pin = SUNXI_GPD(2); pin <= SUNXI_GPD(7); pin++) {
400 				sunxi_gpio_set_cfgpin(pin, SUN8I_GPD_SDC1);
401 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
402 				sunxi_gpio_set_drv(pin, 2);
403 			}
404 		} else {
405 			/* SDC1: PG0-PG5 */
406 			for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
407 				sunxi_gpio_set_cfgpin(pin, SUN8I_GPG_SDC1);
408 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
409 				sunxi_gpio_set_drv(pin, 2);
410 			}
411 		}
412 #endif
413 		break;
414 
415 	case 2:
416 		pins = sunxi_name_to_gpio_bank(CONFIG_MMC2_PINS);
417 
418 #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I)
419 		/* SDC2: PC6-PC11 */
420 		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(11); pin++) {
421 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
422 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
423 			sunxi_gpio_set_drv(pin, 2);
424 		}
425 #elif defined(CONFIG_MACH_SUN5I)
426 		if (pins == SUNXI_GPIO_E) {
427 			/* SDC2: PE4-PE9 */
428 			for (pin = SUNXI_GPE(4); pin <= SUNXI_GPD(9); pin++) {
429 				sunxi_gpio_set_cfgpin(pin, SUN5I_GPE_SDC2);
430 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
431 				sunxi_gpio_set_drv(pin, 2);
432 			}
433 		} else {
434 			/* SDC2: PC6-PC15 */
435 			for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); 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 #elif defined(CONFIG_MACH_SUN6I)
442 		if (pins == SUNXI_GPIO_A) {
443 			/* SDC2: PA9-PA14 */
444 			for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) {
445 				sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_SDC2);
446 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
447 				sunxi_gpio_set_drv(pin, 2);
448 			}
449 		} else {
450 			/* SDC2: PC6-PC15, PC24 */
451 			for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
452 				sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
453 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
454 				sunxi_gpio_set_drv(pin, 2);
455 			}
456 
457 			sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_SDC2);
458 			sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
459 			sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
460 		}
461 #elif defined(CONFIG_MACH_SUN8I_R40)
462 		/* SDC2: PC6-PC15, PC24 */
463 		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
464 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
465 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
466 			sunxi_gpio_set_drv(pin, 2);
467 		}
468 
469 		sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_SDC2);
470 		sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
471 		sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
472 #elif defined(CONFIG_MACH_SUN8I) || defined(CONFIG_MACH_SUN50I)
473 		/* SDC2: PC5-PC6, PC8-PC16 */
474 		for (pin = SUNXI_GPC(5); pin <= SUNXI_GPC(6); pin++) {
475 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
476 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
477 			sunxi_gpio_set_drv(pin, 2);
478 		}
479 
480 		for (pin = SUNXI_GPC(8); pin <= SUNXI_GPC(16); pin++) {
481 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
482 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
483 			sunxi_gpio_set_drv(pin, 2);
484 		}
485 #elif defined(CONFIG_MACH_SUN50I_H6)
486 		/* SDC2: PC4-PC14 */
487 		for (pin = SUNXI_GPC(4); pin <= SUNXI_GPC(14); pin++) {
488 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
489 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
490 			sunxi_gpio_set_drv(pin, 2);
491 		}
492 #elif defined(CONFIG_MACH_SUN9I)
493 		/* SDC2: PC6-PC16 */
494 		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(16); pin++) {
495 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
496 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
497 			sunxi_gpio_set_drv(pin, 2);
498 		}
499 #endif
500 		break;
501 
502 	case 3:
503 		pins = sunxi_name_to_gpio_bank(CONFIG_MMC3_PINS);
504 
505 #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) || \
506     defined(CONFIG_MACH_SUN8I_R40)
507 		/* SDC3: PI4-PI9 */
508 		for (pin = SUNXI_GPI(4); pin <= SUNXI_GPI(9); pin++) {
509 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPI_SDC3);
510 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
511 			sunxi_gpio_set_drv(pin, 2);
512 		}
513 #elif defined(CONFIG_MACH_SUN6I)
514 		if (pins == SUNXI_GPIO_A) {
515 			/* SDC3: PA9-PA14 */
516 			for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) {
517 				sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_SDC3);
518 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
519 				sunxi_gpio_set_drv(pin, 2);
520 			}
521 		} else {
522 			/* SDC3: PC6-PC15, PC24 */
523 			for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
524 				sunxi_gpio_set_cfgpin(pin, SUN6I_GPC_SDC3);
525 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
526 				sunxi_gpio_set_drv(pin, 2);
527 			}
528 
529 			sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUN6I_GPC_SDC3);
530 			sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
531 			sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
532 		}
533 #endif
534 		break;
535 
536 	default:
537 		printf("sunxi: invalid MMC slot %d for pinmux setup\n", sdc);
538 		break;
539 	}
540 }
541 
542 int board_mmc_init(bd_t *bis)
543 {
544 	__maybe_unused struct mmc *mmc0, *mmc1;
545 
546 	mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT);
547 	mmc0 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT);
548 	if (!mmc0)
549 		return -1;
550 
551 #if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1
552 	mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA);
553 	mmc1 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA);
554 	if (!mmc1)
555 		return -1;
556 #endif
557 
558 	return 0;
559 }
560 #endif
561 
562 #ifdef CONFIG_SPL_BUILD
563 
564 static void sunxi_spl_store_dram_size(phys_addr_t dram_size)
565 {
566 	struct boot_file_head *spl = get_spl_header(SPL_DT_HEADER_VERSION);
567 
568 	if (spl == INVALID_SPL_HEADER)
569 		return;
570 
571 	/* Promote the header version for U-Boot proper, if needed. */
572 	if (spl->spl_signature[3] < SPL_DRAM_HEADER_VERSION)
573 		spl->spl_signature[3] = SPL_DRAM_HEADER_VERSION;
574 
575 	spl->dram_size = dram_size >> 20;
576 }
577 
578 void sunxi_board_init(void)
579 {
580 	int power_failed = 0;
581 
582 #ifdef CONFIG_SY8106A_POWER
583 	power_failed = sy8106a_set_vout1(CONFIG_SY8106A_VOUT1_VOLT);
584 #endif
585 
586 #if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || \
587 	defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
588 	defined CONFIG_AXP818_POWER
589 	power_failed = axp_init();
590 
591 #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
592 	defined CONFIG_AXP818_POWER
593 	power_failed |= axp_set_dcdc1(CONFIG_AXP_DCDC1_VOLT);
594 #endif
595 	power_failed |= axp_set_dcdc2(CONFIG_AXP_DCDC2_VOLT);
596 	power_failed |= axp_set_dcdc3(CONFIG_AXP_DCDC3_VOLT);
597 #if !defined(CONFIG_AXP209_POWER) && !defined(CONFIG_AXP818_POWER)
598 	power_failed |= axp_set_dcdc4(CONFIG_AXP_DCDC4_VOLT);
599 #endif
600 #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
601 	defined CONFIG_AXP818_POWER
602 	power_failed |= axp_set_dcdc5(CONFIG_AXP_DCDC5_VOLT);
603 #endif
604 
605 #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
606 	defined CONFIG_AXP818_POWER
607 	power_failed |= axp_set_aldo1(CONFIG_AXP_ALDO1_VOLT);
608 #endif
609 	power_failed |= axp_set_aldo2(CONFIG_AXP_ALDO2_VOLT);
610 #if !defined(CONFIG_AXP152_POWER)
611 	power_failed |= axp_set_aldo3(CONFIG_AXP_ALDO3_VOLT);
612 #endif
613 #ifdef CONFIG_AXP209_POWER
614 	power_failed |= axp_set_aldo4(CONFIG_AXP_ALDO4_VOLT);
615 #endif
616 
617 #if defined(CONFIG_AXP221_POWER) || defined(CONFIG_AXP809_POWER) || \
618 	defined(CONFIG_AXP818_POWER)
619 	power_failed |= axp_set_dldo(1, CONFIG_AXP_DLDO1_VOLT);
620 	power_failed |= axp_set_dldo(2, CONFIG_AXP_DLDO2_VOLT);
621 #if !defined CONFIG_AXP809_POWER
622 	power_failed |= axp_set_dldo(3, CONFIG_AXP_DLDO3_VOLT);
623 	power_failed |= axp_set_dldo(4, CONFIG_AXP_DLDO4_VOLT);
624 #endif
625 	power_failed |= axp_set_eldo(1, CONFIG_AXP_ELDO1_VOLT);
626 	power_failed |= axp_set_eldo(2, CONFIG_AXP_ELDO2_VOLT);
627 	power_failed |= axp_set_eldo(3, CONFIG_AXP_ELDO3_VOLT);
628 #endif
629 
630 #ifdef CONFIG_AXP818_POWER
631 	power_failed |= axp_set_fldo(1, CONFIG_AXP_FLDO1_VOLT);
632 	power_failed |= axp_set_fldo(2, CONFIG_AXP_FLDO2_VOLT);
633 	power_failed |= axp_set_fldo(3, CONFIG_AXP_FLDO3_VOLT);
634 #endif
635 
636 #if defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER
637 	power_failed |= axp_set_sw(IS_ENABLED(CONFIG_AXP_SW_ON));
638 #endif
639 #endif
640 	printf("DRAM:");
641 	gd->ram_size = sunxi_dram_init();
642 	printf(" %d MiB\n", (int)(gd->ram_size >> 20));
643 	if (!gd->ram_size)
644 		hang();
645 
646 	sunxi_spl_store_dram_size(gd->ram_size);
647 
648 	/*
649 	 * Only clock up the CPU to full speed if we are reasonably
650 	 * assured it's being powered with suitable core voltage
651 	 */
652 	if (!power_failed)
653 		clock_set_pll1(CONFIG_SYS_CLK_FREQ);
654 	else
655 		printf("Failed to set core voltage! Can't set CPU frequency\n");
656 }
657 #endif
658 
659 #ifdef CONFIG_USB_GADGET
660 int g_dnl_board_usb_cable_connected(void)
661 {
662 	struct udevice *dev;
663 	struct phy phy;
664 	int ret;
665 
666 	ret = uclass_get_device(UCLASS_USB_DEV_GENERIC, 0, &dev);
667 	if (ret) {
668 		pr_err("%s: Cannot find USB device\n", __func__);
669 		return ret;
670 	}
671 
672 	ret = generic_phy_get_by_name(dev, "usb", &phy);
673 	if (ret) {
674 		pr_err("failed to get %s USB PHY\n", dev->name);
675 		return ret;
676 	}
677 
678 	ret = generic_phy_init(&phy);
679 	if (ret) {
680 		pr_err("failed to init %s USB PHY\n", dev->name);
681 		return ret;
682 	}
683 
684 	ret = sun4i_usb_phy_vbus_detect(&phy);
685 	if (ret == 1) {
686 		pr_err("A charger is plugged into the OTG\n");
687 		return -ENODEV;
688 	}
689 
690 	return ret;
691 }
692 #endif
693 
694 #ifdef CONFIG_SERIAL_TAG
695 void get_board_serial(struct tag_serialnr *serialnr)
696 {
697 	char *serial_string;
698 	unsigned long long serial;
699 
700 	serial_string = env_get("serial#");
701 
702 	if (serial_string) {
703 		serial = simple_strtoull(serial_string, NULL, 16);
704 
705 		serialnr->high = (unsigned int) (serial >> 32);
706 		serialnr->low = (unsigned int) (serial & 0xffffffff);
707 	} else {
708 		serialnr->high = 0;
709 		serialnr->low = 0;
710 	}
711 }
712 #endif
713 
714 /*
715  * Check the SPL header for the "sunxi" variant. If found: parse values
716  * that might have been passed by the loader ("fel" utility), and update
717  * the environment accordingly.
718  */
719 static void parse_spl_header(const uint32_t spl_addr)
720 {
721 	struct boot_file_head *spl = get_spl_header(SPL_ENV_HEADER_VERSION);
722 
723 	if (spl == INVALID_SPL_HEADER)
724 		return;
725 
726 	if (!spl->fel_script_address)
727 		return;
728 
729 	if (spl->fel_uEnv_length != 0) {
730 		/*
731 		 * data is expected in uEnv.txt compatible format, so "env
732 		 * import -t" the string(s) at fel_script_address right away.
733 		 */
734 		himport_r(&env_htab, (char *)(uintptr_t)spl->fel_script_address,
735 			  spl->fel_uEnv_length, '\n', H_NOCLEAR, 0, 0, NULL);
736 		return;
737 	}
738 	/* otherwise assume .scr format (mkimage-type script) */
739 	env_set_hex("fel_scriptaddr", spl->fel_script_address);
740 }
741 
742 /*
743  * Note this function gets called multiple times.
744  * It must not make any changes to env variables which already exist.
745  */
746 static void setup_environment(const void *fdt)
747 {
748 	char serial_string[17] = { 0 };
749 	unsigned int sid[4];
750 	uint8_t mac_addr[6];
751 	char ethaddr[16];
752 	int i, ret;
753 
754 	ret = sunxi_get_sid(sid);
755 	if (ret == 0 && sid[0] != 0) {
756 		/*
757 		 * The single words 1 - 3 of the SID have quite a few bits
758 		 * which are the same on many models, so we take a crc32
759 		 * of all 3 words, to get a more unique value.
760 		 *
761 		 * Note we only do this on newer SoCs as we cannot change
762 		 * the algorithm on older SoCs since those have been using
763 		 * fixed mac-addresses based on only using word 3 for a
764 		 * long time and changing a fixed mac-address with an
765 		 * u-boot update is not good.
766 		 */
767 #if !defined(CONFIG_MACH_SUN4I) && !defined(CONFIG_MACH_SUN5I) && \
768     !defined(CONFIG_MACH_SUN6I) && !defined(CONFIG_MACH_SUN7I) && \
769     !defined(CONFIG_MACH_SUN8I_A23) && !defined(CONFIG_MACH_SUN8I_A33)
770 		sid[3] = crc32(0, (unsigned char *)&sid[1], 12);
771 #endif
772 
773 		/* Ensure the NIC specific bytes of the mac are not all 0 */
774 		if ((sid[3] & 0xffffff) == 0)
775 			sid[3] |= 0x800000;
776 
777 		for (i = 0; i < 4; i++) {
778 			sprintf(ethaddr, "ethernet%d", i);
779 			if (!fdt_get_alias(fdt, ethaddr))
780 				continue;
781 
782 			if (i == 0)
783 				strcpy(ethaddr, "ethaddr");
784 			else
785 				sprintf(ethaddr, "eth%daddr", i);
786 
787 			if (env_get(ethaddr))
788 				continue;
789 
790 			/* Non OUI / registered MAC address */
791 			mac_addr[0] = (i << 4) | 0x02;
792 			mac_addr[1] = (sid[0] >>  0) & 0xff;
793 			mac_addr[2] = (sid[3] >> 24) & 0xff;
794 			mac_addr[3] = (sid[3] >> 16) & 0xff;
795 			mac_addr[4] = (sid[3] >>  8) & 0xff;
796 			mac_addr[5] = (sid[3] >>  0) & 0xff;
797 
798 			eth_env_set_enetaddr(ethaddr, mac_addr);
799 		}
800 
801 		if (!env_get("serial#")) {
802 			snprintf(serial_string, sizeof(serial_string),
803 				"%08x%08x", sid[0], sid[3]);
804 
805 			env_set("serial#", serial_string);
806 		}
807 	}
808 }
809 
810 int misc_init_r(void)
811 {
812 	uint boot;
813 
814 	env_set("fel_booted", NULL);
815 	env_set("fel_scriptaddr", NULL);
816 	env_set("mmc_bootdev", NULL);
817 
818 	boot = sunxi_get_boot_device();
819 	/* determine if we are running in FEL mode */
820 	if (boot == BOOT_DEVICE_BOARD) {
821 		env_set("fel_booted", "1");
822 		parse_spl_header(SPL_ADDR);
823 	/* or if we booted from MMC, and which one */
824 	} else if (boot == BOOT_DEVICE_MMC1) {
825 		env_set("mmc_bootdev", "0");
826 	} else if (boot == BOOT_DEVICE_MMC2) {
827 		env_set("mmc_bootdev", "1");
828 	}
829 
830 	setup_environment(gd->fdt_blob);
831 
832 #ifdef CONFIG_USB_ETHER
833 	usb_ether_init();
834 #endif
835 
836 	return 0;
837 }
838 
839 int ft_board_setup(void *blob, bd_t *bd)
840 {
841 	int __maybe_unused r;
842 
843 	/*
844 	 * Call setup_environment again in case the boot fdt has
845 	 * ethernet aliases the u-boot copy does not have.
846 	 */
847 	setup_environment(blob);
848 
849 #ifdef CONFIG_VIDEO_DT_SIMPLEFB
850 	r = sunxi_simplefb_setup(blob);
851 	if (r)
852 		return r;
853 #endif
854 	return 0;
855 }
856 
857 #ifdef CONFIG_SPL_LOAD_FIT
858 int board_fit_config_name_match(const char *name)
859 {
860 	struct boot_file_head *spl = get_spl_header(SPL_DT_HEADER_VERSION);
861 	const char *cmp_str = (const char *)spl;
862 
863 	/* Check if there is a DT name stored in the SPL header and use that. */
864 	if (spl != INVALID_SPL_HEADER && spl->dt_name_offset) {
865 		cmp_str += spl->dt_name_offset;
866 	} else {
867 #ifdef CONFIG_DEFAULT_DEVICE_TREE
868 		cmp_str = CONFIG_DEFAULT_DEVICE_TREE;
869 #else
870 		return 0;
871 #endif
872 	};
873 
874 #ifdef CONFIG_PINE64_DT_SELECTION
875 /* Differentiate the two Pine64 board DTs by their DRAM size. */
876 	if (strstr(name, "-pine64") && strstr(cmp_str, "-pine64")) {
877 		if ((gd->ram_size > 512 * 1024 * 1024))
878 			return !strstr(name, "plus");
879 		else
880 			return !!strstr(name, "plus");
881 	} else {
882 		return strcmp(name, cmp_str);
883 	}
884 #endif
885 	return strcmp(name, cmp_str);
886 }
887 #endif
888