xref: /openbmc/u-boot/board/sunxi/board.c (revision db4a2999)
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 <u-boot/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 
soft_i2c_board_init(void)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
soft_i2c_board_init(void)78 static int soft_i2c_board_init(void) { return 0; }
79 #endif
80 
81 DECLARE_GLOBAL_DATA_PTR;
82 
i2c_init_board(void)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 #elif defined(CONFIG_MACH_SUN50I)
102 	sunxi_gpio_set_cfgpin(SUNXI_GPH(0), SUN50I_GPH_TWI0);
103 	sunxi_gpio_set_cfgpin(SUNXI_GPH(1), SUN50I_GPH_TWI0);
104 	clock_twi_onoff(0, 1);
105 #endif
106 #endif
107 
108 #ifdef CONFIG_I2C1_ENABLE
109 #if defined(CONFIG_MACH_SUN4I) || \
110     defined(CONFIG_MACH_SUN7I) || \
111     defined(CONFIG_MACH_SUN8I_R40)
112 	sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN4I_GPB_TWI1);
113 	sunxi_gpio_set_cfgpin(SUNXI_GPB(19), SUN4I_GPB_TWI1);
114 	clock_twi_onoff(1, 1);
115 #elif defined(CONFIG_MACH_SUN5I)
116 	sunxi_gpio_set_cfgpin(SUNXI_GPB(15), SUN5I_GPB_TWI1);
117 	sunxi_gpio_set_cfgpin(SUNXI_GPB(16), SUN5I_GPB_TWI1);
118 	clock_twi_onoff(1, 1);
119 #elif defined(CONFIG_MACH_SUN6I)
120 	sunxi_gpio_set_cfgpin(SUNXI_GPH(16), SUN6I_GPH_TWI1);
121 	sunxi_gpio_set_cfgpin(SUNXI_GPH(17), SUN6I_GPH_TWI1);
122 	clock_twi_onoff(1, 1);
123 #elif defined(CONFIG_MACH_SUN8I)
124 	sunxi_gpio_set_cfgpin(SUNXI_GPH(4), SUN8I_GPH_TWI1);
125 	sunxi_gpio_set_cfgpin(SUNXI_GPH(5), SUN8I_GPH_TWI1);
126 	clock_twi_onoff(1, 1);
127 #elif defined(CONFIG_MACH_SUN50I)
128 	sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN50I_GPH_TWI1);
129 	sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN50I_GPH_TWI1);
130 	clock_twi_onoff(1, 1);
131 #endif
132 #endif
133 
134 #ifdef CONFIG_I2C2_ENABLE
135 #if defined(CONFIG_MACH_SUN4I) || \
136     defined(CONFIG_MACH_SUN7I) || \
137     defined(CONFIG_MACH_SUN8I_R40)
138 	sunxi_gpio_set_cfgpin(SUNXI_GPB(20), SUN4I_GPB_TWI2);
139 	sunxi_gpio_set_cfgpin(SUNXI_GPB(21), SUN4I_GPB_TWI2);
140 	clock_twi_onoff(2, 1);
141 #elif defined(CONFIG_MACH_SUN5I)
142 	sunxi_gpio_set_cfgpin(SUNXI_GPB(17), SUN5I_GPB_TWI2);
143 	sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN5I_GPB_TWI2);
144 	clock_twi_onoff(2, 1);
145 #elif defined(CONFIG_MACH_SUN6I)
146 	sunxi_gpio_set_cfgpin(SUNXI_GPH(18), SUN6I_GPH_TWI2);
147 	sunxi_gpio_set_cfgpin(SUNXI_GPH(19), SUN6I_GPH_TWI2);
148 	clock_twi_onoff(2, 1);
149 #elif defined(CONFIG_MACH_SUN8I)
150 	sunxi_gpio_set_cfgpin(SUNXI_GPE(12), SUN8I_GPE_TWI2);
151 	sunxi_gpio_set_cfgpin(SUNXI_GPE(13), SUN8I_GPE_TWI2);
152 	clock_twi_onoff(2, 1);
153 #elif defined(CONFIG_MACH_SUN50I)
154 	sunxi_gpio_set_cfgpin(SUNXI_GPE(14), SUN50I_GPE_TWI2);
155 	sunxi_gpio_set_cfgpin(SUNXI_GPE(15), SUN50I_GPE_TWI2);
156 	clock_twi_onoff(2, 1);
157 #endif
158 #endif
159 
160 #ifdef CONFIG_I2C3_ENABLE
161 #if defined(CONFIG_MACH_SUN6I)
162 	sunxi_gpio_set_cfgpin(SUNXI_GPG(10), SUN6I_GPG_TWI3);
163 	sunxi_gpio_set_cfgpin(SUNXI_GPG(11), SUN6I_GPG_TWI3);
164 	clock_twi_onoff(3, 1);
165 #elif defined(CONFIG_MACH_SUN7I) || \
166       defined(CONFIG_MACH_SUN8I_R40)
167 	sunxi_gpio_set_cfgpin(SUNXI_GPI(0), SUN7I_GPI_TWI3);
168 	sunxi_gpio_set_cfgpin(SUNXI_GPI(1), SUN7I_GPI_TWI3);
169 	clock_twi_onoff(3, 1);
170 #endif
171 #endif
172 
173 #ifdef CONFIG_I2C4_ENABLE
174 #if defined(CONFIG_MACH_SUN7I) || \
175     defined(CONFIG_MACH_SUN8I_R40)
176 	sunxi_gpio_set_cfgpin(SUNXI_GPI(2), SUN7I_GPI_TWI4);
177 	sunxi_gpio_set_cfgpin(SUNXI_GPI(3), SUN7I_GPI_TWI4);
178 	clock_twi_onoff(4, 1);
179 #endif
180 #endif
181 
182 #ifdef CONFIG_R_I2C_ENABLE
183 #ifdef CONFIG_MACH_SUN50I
184 	clock_twi_onoff(5, 1);
185 	sunxi_gpio_set_cfgpin(SUNXI_GPL(8), SUN50I_GPL_R_TWI);
186 	sunxi_gpio_set_cfgpin(SUNXI_GPL(9), SUN50I_GPL_R_TWI);
187 #else
188 	clock_twi_onoff(5, 1);
189 	sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI);
190 	sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_H3_GPL_R_TWI);
191 #endif
192 #endif
193 }
194 
195 #if defined(CONFIG_ENV_IS_IN_MMC) && defined(CONFIG_ENV_IS_IN_FAT)
env_get_location(enum env_operation op,int prio)196 enum env_location env_get_location(enum env_operation op, int prio)
197 {
198 	switch (prio) {
199 	case 0:
200 		return ENVL_FAT;
201 
202 	case 1:
203 		return ENVL_MMC;
204 
205 	default:
206 		return ENVL_UNKNOWN;
207 	}
208 }
209 #endif
210 
211 #ifdef CONFIG_DM_MMC
212 static void mmc_pinmux_setup(int sdc);
213 #endif
214 
215 /* add board specific code here */
board_init(void)216 int board_init(void)
217 {
218 	__maybe_unused int id_pfr1, ret, satapwr_pin, macpwr_pin;
219 
220 	gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100);
221 
222 #ifndef CONFIG_ARM64
223 	asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1));
224 	debug("id_pfr1: 0x%08x\n", id_pfr1);
225 	/* Generic Timer Extension available? */
226 	if ((id_pfr1 >> CPUID_ARM_GENTIMER_SHIFT) & 0xf) {
227 		uint32_t freq;
228 
229 		debug("Setting CNTFRQ\n");
230 
231 		/*
232 		 * CNTFRQ is a secure register, so we will crash if we try to
233 		 * write this from the non-secure world (read is OK, though).
234 		 * In case some bootcode has already set the correct value,
235 		 * we avoid the risk of writing to it.
236 		 */
237 		asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r"(freq));
238 		if (freq != COUNTER_FREQUENCY) {
239 			debug("arch timer frequency is %d Hz, should be %d, fixing ...\n",
240 			      freq, COUNTER_FREQUENCY);
241 #ifdef CONFIG_NON_SECURE
242 			printf("arch timer frequency is wrong, but cannot adjust it\n");
243 #else
244 			asm volatile("mcr p15, 0, %0, c14, c0, 0"
245 				     : : "r"(COUNTER_FREQUENCY));
246 #endif
247 		}
248 	}
249 #endif /* !CONFIG_ARM64 */
250 
251 	ret = axp_gpio_init();
252 	if (ret)
253 		return ret;
254 
255 #ifdef CONFIG_SATAPWR
256 	satapwr_pin = sunxi_name_to_gpio(CONFIG_SATAPWR);
257 	gpio_request(satapwr_pin, "satapwr");
258 	gpio_direction_output(satapwr_pin, 1);
259 	/* Give attached sata device time to power-up to avoid link timeouts */
260 	mdelay(500);
261 #endif
262 #ifdef CONFIG_MACPWR
263 	macpwr_pin = sunxi_name_to_gpio(CONFIG_MACPWR);
264 	gpio_request(macpwr_pin, "macpwr");
265 	gpio_direction_output(macpwr_pin, 1);
266 #endif
267 
268 #ifdef CONFIG_DM_I2C
269 	/*
270 	 * Temporary workaround for enabling I2C clocks until proper sunxi DM
271 	 * clk, reset and pinctrl drivers land.
272 	 */
273 	i2c_init_board();
274 #endif
275 
276 #ifdef CONFIG_DM_MMC
277 	/*
278 	 * Temporary workaround for enabling MMC clocks until a sunxi DM
279 	 * pinctrl driver lands.
280 	 */
281 	mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT);
282 #if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1
283 	mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA);
284 #endif
285 #endif	/* CONFIG_DM_MMC */
286 
287 	/* Uses dm gpio code so do this here and not in i2c_init_board() */
288 	return soft_i2c_board_init();
289 }
290 
291 /*
292  * On older SoCs the SPL is actually at address zero, so using NULL as
293  * an error value does not work.
294  */
295 #define INVALID_SPL_HEADER ((void *)~0UL)
296 
get_spl_header(uint8_t req_version)297 static struct boot_file_head * get_spl_header(uint8_t req_version)
298 {
299 	struct boot_file_head *spl = (void *)(ulong)SPL_ADDR;
300 	uint8_t spl_header_version = spl->spl_signature[3];
301 
302 	/* Is there really the SPL header (still) there? */
303 	if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) != 0)
304 		return INVALID_SPL_HEADER;
305 
306 	if (spl_header_version < req_version) {
307 		printf("sunxi SPL version mismatch: expected %u, got %u\n",
308 		       req_version, spl_header_version);
309 		return INVALID_SPL_HEADER;
310 	}
311 
312 	return spl;
313 }
314 
dram_init(void)315 int dram_init(void)
316 {
317 	struct boot_file_head *spl = get_spl_header(SPL_DRAM_HEADER_VERSION);
318 
319 	if (spl == INVALID_SPL_HEADER)
320 		gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0,
321 					    PHYS_SDRAM_0_SIZE);
322 	else
323 		gd->ram_size = (phys_addr_t)spl->dram_size << 20;
324 
325 	if (gd->ram_size > CONFIG_SUNXI_DRAM_MAX_SIZE)
326 		gd->ram_size = CONFIG_SUNXI_DRAM_MAX_SIZE;
327 
328 	return 0;
329 }
330 
331 #if defined(CONFIG_NAND_SUNXI)
nand_pinmux_setup(void)332 static void nand_pinmux_setup(void)
333 {
334 	unsigned int pin;
335 
336 	for (pin = SUNXI_GPC(0); pin <= SUNXI_GPC(19); pin++)
337 		sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND);
338 
339 #if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN7I
340 	for (pin = SUNXI_GPC(20); pin <= SUNXI_GPC(22); pin++)
341 		sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND);
342 #endif
343 	/* sun4i / sun7i do have a PC23, but it is not used for nand,
344 	 * only sun7i has a PC24 */
345 #ifdef CONFIG_MACH_SUN7I
346 	sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_NAND);
347 #endif
348 }
349 
nand_clock_setup(void)350 static void nand_clock_setup(void)
351 {
352 	struct sunxi_ccm_reg *const ccm =
353 		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
354 
355 	setbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0));
356 #if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I || \
357     defined CONFIG_MACH_SUN9I || defined CONFIG_MACH_SUN50I
358 	setbits_le32(&ccm->ahb_reset0_cfg, (1 << AHB_GATE_OFFSET_NAND0));
359 #endif
360 	setbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1);
361 }
362 
board_nand_init(void)363 void board_nand_init(void)
364 {
365 	nand_pinmux_setup();
366 	nand_clock_setup();
367 #ifndef CONFIG_SPL_BUILD
368 	sunxi_nand_init();
369 #endif
370 }
371 #endif
372 
373 #ifdef CONFIG_MMC
mmc_pinmux_setup(int sdc)374 static void mmc_pinmux_setup(int sdc)
375 {
376 	unsigned int pin;
377 	__maybe_unused int pins;
378 
379 	switch (sdc) {
380 	case 0:
381 		/* SDC0: PF0-PF5 */
382 		for (pin = SUNXI_GPF(0); pin <= SUNXI_GPF(5); pin++) {
383 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPF_SDC0);
384 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
385 			sunxi_gpio_set_drv(pin, 2);
386 		}
387 		break;
388 
389 	case 1:
390 		pins = sunxi_name_to_gpio_bank(CONFIG_MMC1_PINS);
391 
392 #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) || \
393     defined(CONFIG_MACH_SUN8I_R40)
394 		if (pins == SUNXI_GPIO_H) {
395 			/* SDC1: PH22-PH-27 */
396 			for (pin = SUNXI_GPH(22); pin <= SUNXI_GPH(27); pin++) {
397 				sunxi_gpio_set_cfgpin(pin, SUN4I_GPH_SDC1);
398 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
399 				sunxi_gpio_set_drv(pin, 2);
400 			}
401 		} else {
402 			/* SDC1: PG0-PG5 */
403 			for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
404 				sunxi_gpio_set_cfgpin(pin, SUN4I_GPG_SDC1);
405 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
406 				sunxi_gpio_set_drv(pin, 2);
407 			}
408 		}
409 #elif defined(CONFIG_MACH_SUN5I)
410 		/* SDC1: PG3-PG8 */
411 		for (pin = SUNXI_GPG(3); pin <= SUNXI_GPG(8); pin++) {
412 			sunxi_gpio_set_cfgpin(pin, SUN5I_GPG_SDC1);
413 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
414 			sunxi_gpio_set_drv(pin, 2);
415 		}
416 #elif defined(CONFIG_MACH_SUN6I)
417 		/* SDC1: PG0-PG5 */
418 		for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
419 			sunxi_gpio_set_cfgpin(pin, SUN6I_GPG_SDC1);
420 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
421 			sunxi_gpio_set_drv(pin, 2);
422 		}
423 #elif defined(CONFIG_MACH_SUN8I)
424 		if (pins == SUNXI_GPIO_D) {
425 			/* SDC1: PD2-PD7 */
426 			for (pin = SUNXI_GPD(2); pin <= SUNXI_GPD(7); pin++) {
427 				sunxi_gpio_set_cfgpin(pin, SUN8I_GPD_SDC1);
428 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
429 				sunxi_gpio_set_drv(pin, 2);
430 			}
431 		} else {
432 			/* SDC1: PG0-PG5 */
433 			for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
434 				sunxi_gpio_set_cfgpin(pin, SUN8I_GPG_SDC1);
435 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
436 				sunxi_gpio_set_drv(pin, 2);
437 			}
438 		}
439 #endif
440 		break;
441 
442 	case 2:
443 		pins = sunxi_name_to_gpio_bank(CONFIG_MMC2_PINS);
444 
445 #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I)
446 		/* SDC2: PC6-PC11 */
447 		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(11); pin++) {
448 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
449 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
450 			sunxi_gpio_set_drv(pin, 2);
451 		}
452 #elif defined(CONFIG_MACH_SUN5I)
453 		if (pins == SUNXI_GPIO_E) {
454 			/* SDC2: PE4-PE9 */
455 			for (pin = SUNXI_GPE(4); pin <= SUNXI_GPD(9); pin++) {
456 				sunxi_gpio_set_cfgpin(pin, SUN5I_GPE_SDC2);
457 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
458 				sunxi_gpio_set_drv(pin, 2);
459 			}
460 		} else {
461 			/* SDC2: PC6-PC15 */
462 			for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
463 				sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
464 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
465 				sunxi_gpio_set_drv(pin, 2);
466 			}
467 		}
468 #elif defined(CONFIG_MACH_SUN6I)
469 		if (pins == SUNXI_GPIO_A) {
470 			/* SDC2: PA9-PA14 */
471 			for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) {
472 				sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_SDC2);
473 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
474 				sunxi_gpio_set_drv(pin, 2);
475 			}
476 		} else {
477 			/* SDC2: PC6-PC15, PC24 */
478 			for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
479 				sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
480 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
481 				sunxi_gpio_set_drv(pin, 2);
482 			}
483 
484 			sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_SDC2);
485 			sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
486 			sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
487 		}
488 #elif defined(CONFIG_MACH_SUN8I_R40)
489 		/* SDC2: PC6-PC15, PC24 */
490 		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
491 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
492 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
493 			sunxi_gpio_set_drv(pin, 2);
494 		}
495 
496 		sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_SDC2);
497 		sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
498 		sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
499 #elif defined(CONFIG_MACH_SUN8I) || defined(CONFIG_MACH_SUN50I)
500 		/* SDC2: PC5-PC6, PC8-PC16 */
501 		for (pin = SUNXI_GPC(5); pin <= SUNXI_GPC(6); pin++) {
502 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
503 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
504 			sunxi_gpio_set_drv(pin, 2);
505 		}
506 
507 		for (pin = SUNXI_GPC(8); pin <= SUNXI_GPC(16); pin++) {
508 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
509 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
510 			sunxi_gpio_set_drv(pin, 2);
511 		}
512 #elif defined(CONFIG_MACH_SUN50I_H6)
513 		/* SDC2: PC4-PC14 */
514 		for (pin = SUNXI_GPC(4); pin <= SUNXI_GPC(14); pin++) {
515 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
516 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
517 			sunxi_gpio_set_drv(pin, 2);
518 		}
519 #elif defined(CONFIG_MACH_SUN9I)
520 		/* SDC2: PC6-PC16 */
521 		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(16); pin++) {
522 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
523 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
524 			sunxi_gpio_set_drv(pin, 2);
525 		}
526 #endif
527 		break;
528 
529 	case 3:
530 		pins = sunxi_name_to_gpio_bank(CONFIG_MMC3_PINS);
531 
532 #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) || \
533     defined(CONFIG_MACH_SUN8I_R40)
534 		/* SDC3: PI4-PI9 */
535 		for (pin = SUNXI_GPI(4); pin <= SUNXI_GPI(9); pin++) {
536 			sunxi_gpio_set_cfgpin(pin, SUNXI_GPI_SDC3);
537 			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
538 			sunxi_gpio_set_drv(pin, 2);
539 		}
540 #elif defined(CONFIG_MACH_SUN6I)
541 		if (pins == SUNXI_GPIO_A) {
542 			/* SDC3: PA9-PA14 */
543 			for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) {
544 				sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_SDC3);
545 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
546 				sunxi_gpio_set_drv(pin, 2);
547 			}
548 		} else {
549 			/* SDC3: PC6-PC15, PC24 */
550 			for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
551 				sunxi_gpio_set_cfgpin(pin, SUN6I_GPC_SDC3);
552 				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
553 				sunxi_gpio_set_drv(pin, 2);
554 			}
555 
556 			sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUN6I_GPC_SDC3);
557 			sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
558 			sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
559 		}
560 #endif
561 		break;
562 
563 	default:
564 		printf("sunxi: invalid MMC slot %d for pinmux setup\n", sdc);
565 		break;
566 	}
567 }
568 
board_mmc_init(bd_t * bis)569 int board_mmc_init(bd_t *bis)
570 {
571 	__maybe_unused struct mmc *mmc0, *mmc1;
572 
573 	mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT);
574 	mmc0 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT);
575 	if (!mmc0)
576 		return -1;
577 
578 #if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1
579 	mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA);
580 	mmc1 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA);
581 	if (!mmc1)
582 		return -1;
583 #endif
584 
585 	return 0;
586 }
587 #endif
588 
589 #ifdef CONFIG_SPL_BUILD
590 
sunxi_spl_store_dram_size(phys_addr_t dram_size)591 static void sunxi_spl_store_dram_size(phys_addr_t dram_size)
592 {
593 	struct boot_file_head *spl = get_spl_header(SPL_DT_HEADER_VERSION);
594 
595 	if (spl == INVALID_SPL_HEADER)
596 		return;
597 
598 	/* Promote the header version for U-Boot proper, if needed. */
599 	if (spl->spl_signature[3] < SPL_DRAM_HEADER_VERSION)
600 		spl->spl_signature[3] = SPL_DRAM_HEADER_VERSION;
601 
602 	spl->dram_size = dram_size >> 20;
603 }
604 
sunxi_board_init(void)605 void sunxi_board_init(void)
606 {
607 	int power_failed = 0;
608 
609 #ifdef CONFIG_SY8106A_POWER
610 	power_failed = sy8106a_set_vout1(CONFIG_SY8106A_VOUT1_VOLT);
611 #endif
612 
613 #if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || \
614 	defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
615 	defined CONFIG_AXP818_POWER
616 	power_failed = axp_init();
617 
618 #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
619 	defined CONFIG_AXP818_POWER
620 	power_failed |= axp_set_dcdc1(CONFIG_AXP_DCDC1_VOLT);
621 #endif
622 	power_failed |= axp_set_dcdc2(CONFIG_AXP_DCDC2_VOLT);
623 	power_failed |= axp_set_dcdc3(CONFIG_AXP_DCDC3_VOLT);
624 #if !defined(CONFIG_AXP209_POWER) && !defined(CONFIG_AXP818_POWER)
625 	power_failed |= axp_set_dcdc4(CONFIG_AXP_DCDC4_VOLT);
626 #endif
627 #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
628 	defined CONFIG_AXP818_POWER
629 	power_failed |= axp_set_dcdc5(CONFIG_AXP_DCDC5_VOLT);
630 #endif
631 
632 #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
633 	defined CONFIG_AXP818_POWER
634 	power_failed |= axp_set_aldo1(CONFIG_AXP_ALDO1_VOLT);
635 #endif
636 	power_failed |= axp_set_aldo2(CONFIG_AXP_ALDO2_VOLT);
637 #if !defined(CONFIG_AXP152_POWER)
638 	power_failed |= axp_set_aldo3(CONFIG_AXP_ALDO3_VOLT);
639 #endif
640 #ifdef CONFIG_AXP209_POWER
641 	power_failed |= axp_set_aldo4(CONFIG_AXP_ALDO4_VOLT);
642 #endif
643 
644 #if defined(CONFIG_AXP221_POWER) || defined(CONFIG_AXP809_POWER) || \
645 	defined(CONFIG_AXP818_POWER)
646 	power_failed |= axp_set_dldo(1, CONFIG_AXP_DLDO1_VOLT);
647 	power_failed |= axp_set_dldo(2, CONFIG_AXP_DLDO2_VOLT);
648 #if !defined CONFIG_AXP809_POWER
649 	power_failed |= axp_set_dldo(3, CONFIG_AXP_DLDO3_VOLT);
650 	power_failed |= axp_set_dldo(4, CONFIG_AXP_DLDO4_VOLT);
651 #endif
652 	power_failed |= axp_set_eldo(1, CONFIG_AXP_ELDO1_VOLT);
653 	power_failed |= axp_set_eldo(2, CONFIG_AXP_ELDO2_VOLT);
654 	power_failed |= axp_set_eldo(3, CONFIG_AXP_ELDO3_VOLT);
655 #endif
656 
657 #ifdef CONFIG_AXP818_POWER
658 	power_failed |= axp_set_fldo(1, CONFIG_AXP_FLDO1_VOLT);
659 	power_failed |= axp_set_fldo(2, CONFIG_AXP_FLDO2_VOLT);
660 	power_failed |= axp_set_fldo(3, CONFIG_AXP_FLDO3_VOLT);
661 #endif
662 
663 #if defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER
664 	power_failed |= axp_set_sw(IS_ENABLED(CONFIG_AXP_SW_ON));
665 #endif
666 #endif
667 	printf("DRAM:");
668 	gd->ram_size = sunxi_dram_init();
669 	printf(" %d MiB\n", (int)(gd->ram_size >> 20));
670 	if (!gd->ram_size)
671 		hang();
672 
673 	sunxi_spl_store_dram_size(gd->ram_size);
674 
675 	/*
676 	 * Only clock up the CPU to full speed if we are reasonably
677 	 * assured it's being powered with suitable core voltage
678 	 */
679 	if (!power_failed)
680 		clock_set_pll1(CONFIG_SYS_CLK_FREQ);
681 	else
682 		printf("Failed to set core voltage! Can't set CPU frequency\n");
683 }
684 #endif
685 
686 #ifdef CONFIG_USB_GADGET
g_dnl_board_usb_cable_connected(void)687 int g_dnl_board_usb_cable_connected(void)
688 {
689 	struct udevice *dev;
690 	struct phy phy;
691 	int ret;
692 
693 	ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, 0, &dev);
694 	if (ret) {
695 		pr_err("%s: Cannot find USB device\n", __func__);
696 		return ret;
697 	}
698 
699 	ret = generic_phy_get_by_name(dev, "usb", &phy);
700 	if (ret) {
701 		pr_err("failed to get %s USB PHY\n", dev->name);
702 		return ret;
703 	}
704 
705 	ret = generic_phy_init(&phy);
706 	if (ret) {
707 		pr_err("failed to init %s USB PHY\n", dev->name);
708 		return ret;
709 	}
710 
711 	ret = sun4i_usb_phy_vbus_detect(&phy);
712 	if (ret == 1) {
713 		pr_err("A charger is plugged into the OTG\n");
714 		return -ENODEV;
715 	}
716 
717 	return ret;
718 }
719 #endif
720 
721 #ifdef CONFIG_SERIAL_TAG
get_board_serial(struct tag_serialnr * serialnr)722 void get_board_serial(struct tag_serialnr *serialnr)
723 {
724 	char *serial_string;
725 	unsigned long long serial;
726 
727 	serial_string = env_get("serial#");
728 
729 	if (serial_string) {
730 		serial = simple_strtoull(serial_string, NULL, 16);
731 
732 		serialnr->high = (unsigned int) (serial >> 32);
733 		serialnr->low = (unsigned int) (serial & 0xffffffff);
734 	} else {
735 		serialnr->high = 0;
736 		serialnr->low = 0;
737 	}
738 }
739 #endif
740 
741 /*
742  * Check the SPL header for the "sunxi" variant. If found: parse values
743  * that might have been passed by the loader ("fel" utility), and update
744  * the environment accordingly.
745  */
parse_spl_header(const uint32_t spl_addr)746 static void parse_spl_header(const uint32_t spl_addr)
747 {
748 	struct boot_file_head *spl = get_spl_header(SPL_ENV_HEADER_VERSION);
749 
750 	if (spl == INVALID_SPL_HEADER)
751 		return;
752 
753 	if (!spl->fel_script_address)
754 		return;
755 
756 	if (spl->fel_uEnv_length != 0) {
757 		/*
758 		 * data is expected in uEnv.txt compatible format, so "env
759 		 * import -t" the string(s) at fel_script_address right away.
760 		 */
761 		himport_r(&env_htab, (char *)(uintptr_t)spl->fel_script_address,
762 			  spl->fel_uEnv_length, '\n', H_NOCLEAR, 0, 0, NULL);
763 		return;
764 	}
765 	/* otherwise assume .scr format (mkimage-type script) */
766 	env_set_hex("fel_scriptaddr", spl->fel_script_address);
767 }
768 
769 /*
770  * Note this function gets called multiple times.
771  * It must not make any changes to env variables which already exist.
772  */
setup_environment(const void * fdt)773 static void setup_environment(const void *fdt)
774 {
775 	char serial_string[17] = { 0 };
776 	unsigned int sid[4];
777 	uint8_t mac_addr[6];
778 	char ethaddr[16];
779 	int i, ret;
780 
781 	ret = sunxi_get_sid(sid);
782 	if (ret == 0 && sid[0] != 0) {
783 		/*
784 		 * The single words 1 - 3 of the SID have quite a few bits
785 		 * which are the same on many models, so we take a crc32
786 		 * of all 3 words, to get a more unique value.
787 		 *
788 		 * Note we only do this on newer SoCs as we cannot change
789 		 * the algorithm on older SoCs since those have been using
790 		 * fixed mac-addresses based on only using word 3 for a
791 		 * long time and changing a fixed mac-address with an
792 		 * u-boot update is not good.
793 		 */
794 #if !defined(CONFIG_MACH_SUN4I) && !defined(CONFIG_MACH_SUN5I) && \
795     !defined(CONFIG_MACH_SUN6I) && !defined(CONFIG_MACH_SUN7I) && \
796     !defined(CONFIG_MACH_SUN8I_A23) && !defined(CONFIG_MACH_SUN8I_A33)
797 		sid[3] = crc32(0, (unsigned char *)&sid[1], 12);
798 #endif
799 
800 		/* Ensure the NIC specific bytes of the mac are not all 0 */
801 		if ((sid[3] & 0xffffff) == 0)
802 			sid[3] |= 0x800000;
803 
804 		for (i = 0; i < 4; i++) {
805 			sprintf(ethaddr, "ethernet%d", i);
806 			if (!fdt_get_alias(fdt, ethaddr))
807 				continue;
808 
809 			if (i == 0)
810 				strcpy(ethaddr, "ethaddr");
811 			else
812 				sprintf(ethaddr, "eth%daddr", i);
813 
814 			if (env_get(ethaddr))
815 				continue;
816 
817 			/* Non OUI / registered MAC address */
818 			mac_addr[0] = (i << 4) | 0x02;
819 			mac_addr[1] = (sid[0] >>  0) & 0xff;
820 			mac_addr[2] = (sid[3] >> 24) & 0xff;
821 			mac_addr[3] = (sid[3] >> 16) & 0xff;
822 			mac_addr[4] = (sid[3] >>  8) & 0xff;
823 			mac_addr[5] = (sid[3] >>  0) & 0xff;
824 
825 			eth_env_set_enetaddr(ethaddr, mac_addr);
826 		}
827 
828 		if (!env_get("serial#")) {
829 			snprintf(serial_string, sizeof(serial_string),
830 				"%08x%08x", sid[0], sid[3]);
831 
832 			env_set("serial#", serial_string);
833 		}
834 	}
835 }
836 
misc_init_r(void)837 int misc_init_r(void)
838 {
839 	uint boot;
840 
841 	env_set("fel_booted", NULL);
842 	env_set("fel_scriptaddr", NULL);
843 	env_set("mmc_bootdev", NULL);
844 
845 	boot = sunxi_get_boot_device();
846 	/* determine if we are running in FEL mode */
847 	if (boot == BOOT_DEVICE_BOARD) {
848 		env_set("fel_booted", "1");
849 		parse_spl_header(SPL_ADDR);
850 	/* or if we booted from MMC, and which one */
851 	} else if (boot == BOOT_DEVICE_MMC1) {
852 		env_set("mmc_bootdev", "0");
853 	} else if (boot == BOOT_DEVICE_MMC2) {
854 		env_set("mmc_bootdev", "1");
855 	}
856 
857 	setup_environment(gd->fdt_blob);
858 
859 #ifdef CONFIG_USB_ETHER
860 	usb_ether_init();
861 #endif
862 
863 	return 0;
864 }
865 
ft_board_setup(void * blob,bd_t * bd)866 int ft_board_setup(void *blob, bd_t *bd)
867 {
868 	int __maybe_unused r;
869 
870 	/*
871 	 * Call setup_environment again in case the boot fdt has
872 	 * ethernet aliases the u-boot copy does not have.
873 	 */
874 	setup_environment(blob);
875 
876 #ifdef CONFIG_VIDEO_DT_SIMPLEFB
877 	r = sunxi_simplefb_setup(blob);
878 	if (r)
879 		return r;
880 #endif
881 	return 0;
882 }
883 
884 #ifdef CONFIG_SPL_LOAD_FIT
board_fit_config_name_match(const char * name)885 int board_fit_config_name_match(const char *name)
886 {
887 	struct boot_file_head *spl = get_spl_header(SPL_DT_HEADER_VERSION);
888 	const char *cmp_str = (const char *)spl;
889 
890 	/* Check if there is a DT name stored in the SPL header and use that. */
891 	if (spl != INVALID_SPL_HEADER && spl->dt_name_offset) {
892 		cmp_str += spl->dt_name_offset;
893 	} else {
894 #ifdef CONFIG_DEFAULT_DEVICE_TREE
895 		cmp_str = CONFIG_DEFAULT_DEVICE_TREE;
896 #else
897 		return 0;
898 #endif
899 	};
900 
901 #ifdef CONFIG_PINE64_DT_SELECTION
902 /* Differentiate the two Pine64 board DTs by their DRAM size. */
903 	if (strstr(name, "-pine64") && strstr(cmp_str, "-pine64")) {
904 		if ((gd->ram_size > 512 * 1024 * 1024))
905 			return !strstr(name, "plus");
906 		else
907 			return !!strstr(name, "plus");
908 	} else {
909 		return strcmp(name, cmp_str);
910 	}
911 #endif
912 	return strcmp(name, cmp_str);
913 }
914 #endif
915