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 <clock_legacy.h>
15#include <dm.h>
16#include <env.h>
17#include <hang.h>
18#include <image.h>
19#include <init.h>
20#include <log.h>
21#include <mmc.h>
22#include <axp_pmic.h>
23#include <generic-phy.h>
24#include <phy-sun4i-usb.h>
25#include <asm/arch/clock.h>
26#include <asm/arch/cpu.h>
27#include <asm/arch/display.h>
28#include <asm/arch/dram.h>
29#include <asm/arch/mmc.h>
30#include <asm/arch/prcm.h>
31#include <asm/arch/pmic_bus.h>
32#include <asm/arch/spl.h>
33#include <asm/arch/sys_proto.h>
34#include <asm/global_data.h>
35#include <linux/delay.h>
36#include <linux/printk.h>
37#include <linux/types.h>
38#ifndef CONFIG_ARM64
39#include <asm/armv7.h>
40#endif
41#include <asm/gpio.h>
42#include <sunxi_gpio.h>
43#include <asm/io.h>
44#include <u-boot/crc.h>
45#include <env_internal.h>
46#include <linux/libfdt.h>
47#include <fdt_support.h>
48#include <nand.h>
49#include <net.h>
50#include <spl.h>
51#include <sy8106a.h>
52#include <asm/setup.h>
53#include <status_led.h>
54
55DECLARE_GLOBAL_DATA_PTR;
56
57void i2c_init_board(void)
58{
59#ifdef CONFIG_I2C0_ENABLE
60#if defined(CONFIG_MACH_SUN4I) || \
61    defined(CONFIG_MACH_SUN5I) || \
62    defined(CONFIG_MACH_SUN7I) || \
63    defined(CONFIG_MACH_SUN8I_R40)
64	sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN4I_GPB_TWI0);
65	sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN4I_GPB_TWI0);
66	clock_twi_onoff(0, 1);
67#elif defined(CONFIG_MACH_SUN6I)
68	sunxi_gpio_set_cfgpin(SUNXI_GPH(14), SUN6I_GPH_TWI0);
69	sunxi_gpio_set_cfgpin(SUNXI_GPH(15), SUN6I_GPH_TWI0);
70	clock_twi_onoff(0, 1);
71#elif defined(CONFIG_MACH_SUN8I_V3S)
72	sunxi_gpio_set_cfgpin(SUNXI_GPB(6), SUN8I_V3S_GPB_TWI0);
73	sunxi_gpio_set_cfgpin(SUNXI_GPB(7), SUN8I_V3S_GPB_TWI0);
74	clock_twi_onoff(0, 1);
75#elif defined(CONFIG_MACH_SUN8I)
76	sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN8I_GPH_TWI0);
77	sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN8I_GPH_TWI0);
78	clock_twi_onoff(0, 1);
79#elif defined(CONFIG_MACH_SUN50I)
80	sunxi_gpio_set_cfgpin(SUNXI_GPH(0), SUN50I_GPH_TWI0);
81	sunxi_gpio_set_cfgpin(SUNXI_GPH(1), SUN50I_GPH_TWI0);
82	clock_twi_onoff(0, 1);
83#endif
84#endif
85
86#ifdef CONFIG_I2C1_ENABLE
87#if defined(CONFIG_MACH_SUN4I) || \
88    defined(CONFIG_MACH_SUN7I) || \
89    defined(CONFIG_MACH_SUN8I_R40)
90	sunxi_gpio_set_cfgpin(SUNXI_GPB(18), SUN4I_GPB_TWI1);
91	sunxi_gpio_set_cfgpin(SUNXI_GPB(19), SUN4I_GPB_TWI1);
92	clock_twi_onoff(1, 1);
93#elif defined(CONFIG_MACH_SUN5I)
94	sunxi_gpio_set_cfgpin(SUNXI_GPB(15), SUN5I_GPB_TWI1);
95	sunxi_gpio_set_cfgpin(SUNXI_GPB(16), SUN5I_GPB_TWI1);
96	clock_twi_onoff(1, 1);
97#elif defined(CONFIG_MACH_SUN6I)
98	sunxi_gpio_set_cfgpin(SUNXI_GPH(16), SUN6I_GPH_TWI1);
99	sunxi_gpio_set_cfgpin(SUNXI_GPH(17), SUN6I_GPH_TWI1);
100	clock_twi_onoff(1, 1);
101#elif defined(CONFIG_MACH_SUN8I)
102	sunxi_gpio_set_cfgpin(SUNXI_GPH(4), SUN8I_GPH_TWI1);
103	sunxi_gpio_set_cfgpin(SUNXI_GPH(5), SUN8I_GPH_TWI1);
104	clock_twi_onoff(1, 1);
105#elif defined(CONFIG_MACH_SUN50I)
106	sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN50I_GPH_TWI1);
107	sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN50I_GPH_TWI1);
108	clock_twi_onoff(1, 1);
109#endif
110#endif
111
112#ifdef CONFIG_R_I2C_ENABLE
113#ifdef CONFIG_MACH_SUN50I
114	clock_twi_onoff(5, 1);
115	sunxi_gpio_set_cfgpin(SUNXI_GPL(8), SUN50I_GPL_R_TWI);
116	sunxi_gpio_set_cfgpin(SUNXI_GPL(9), SUN50I_GPL_R_TWI);
117#elif CONFIG_MACH_SUN50I_H616
118	clock_twi_onoff(5, 1);
119	sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN50I_H616_GPL_R_TWI);
120	sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN50I_H616_GPL_R_TWI);
121#else
122	clock_twi_onoff(5, 1);
123	sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI);
124	sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_H3_GPL_R_TWI);
125#endif
126#endif
127}
128
129/*
130 * Try to use the environment from the boot source first.
131 * For MMC, this means a FAT partition on the boot device (SD or eMMC).
132 * If the raw MMC environment is also enabled, this is tried next.
133 * When booting from NAND we try UBI first, then NAND directly.
134 * SPI flash falls back to FAT (on SD card).
135 */
136enum env_location env_get_location(enum env_operation op, int prio)
137{
138	if (prio > 1)
139		return ENVL_UNKNOWN;
140
141	/* NOWHERE is exclusive, no other option can be defined. */
142	if (IS_ENABLED(CONFIG_ENV_IS_NOWHERE))
143		return ENVL_NOWHERE;
144
145	switch (sunxi_get_boot_device()) {
146	case BOOT_DEVICE_MMC1:
147	case BOOT_DEVICE_MMC2:
148		if (prio == 0 && IS_ENABLED(CONFIG_ENV_IS_IN_FAT))
149			return ENVL_FAT;
150		if (IS_ENABLED(CONFIG_ENV_IS_IN_MMC))
151			return ENVL_MMC;
152		break;
153	case BOOT_DEVICE_NAND:
154		if (prio == 0 && IS_ENABLED(CONFIG_ENV_IS_IN_UBI))
155			return ENVL_UBI;
156		if (IS_ENABLED(CONFIG_ENV_IS_IN_NAND))
157			return ENVL_NAND;
158		break;
159	case BOOT_DEVICE_SPI:
160		if (prio == 0 && IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
161			return ENVL_SPI_FLASH;
162		if (IS_ENABLED(CONFIG_ENV_IS_IN_FAT))
163			return ENVL_FAT;
164		break;
165	case BOOT_DEVICE_BOARD:
166		break;
167	default:
168		break;
169	}
170
171	/*
172	 * If we come here for the first time, we *must* return a valid
173	 * environment location other than ENVL_UNKNOWN, or the setup sequence
174	 * in board_f() will silently hang. This is arguably a bug in
175	 * env_init(), but for now pick one environment for which we know for
176	 * sure to have a driver for. For all defconfigs this is either FAT
177	 * or UBI, or NOWHERE, which is already handled above.
178	 */
179	if (prio == 0) {
180		if (IS_ENABLED(CONFIG_ENV_IS_IN_FAT))
181			return ENVL_FAT;
182		if (IS_ENABLED(CONFIG_ENV_IS_IN_UBI))
183			return ENVL_UBI;
184	}
185
186	return ENVL_UNKNOWN;
187}
188
189/* called only from U-Boot proper */
190int board_init(void)
191{
192	__maybe_unused int id_pfr1, ret;
193
194	gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100);
195
196#if !defined(CONFIG_ARM64) && !defined(CONFIG_MACH_SUNIV)
197	asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1));
198	debug("id_pfr1: 0x%08x\n", id_pfr1);
199	/* Generic Timer Extension available? */
200	if ((id_pfr1 >> CPUID_ARM_GENTIMER_SHIFT) & 0xf) {
201		uint32_t freq;
202
203		debug("Setting CNTFRQ\n");
204
205		/*
206		 * CNTFRQ is a secure register, so we will crash if we try to
207		 * write this from the non-secure world (read is OK, though).
208		 * In case some bootcode has already set the correct value,
209		 * we avoid the risk of writing to it.
210		 */
211		asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r"(freq));
212		if (freq != CONFIG_COUNTER_FREQUENCY) {
213			debug("arch timer frequency is %d Hz, should be %d, fixing ...\n",
214			      freq, CONFIG_COUNTER_FREQUENCY);
215#ifdef CONFIG_NON_SECURE
216			printf("arch timer frequency is wrong, but cannot adjust it\n");
217#else
218			asm volatile("mcr p15, 0, %0, c14, c0, 0"
219				     : : "r"(CONFIG_COUNTER_FREQUENCY));
220#endif
221		}
222	}
223#endif /* !CONFIG_ARM64 && !CONFIG_MACH_SUNIV */
224
225	ret = axp_gpio_init();
226	if (ret)
227		return ret;
228
229	eth_init_board();
230
231	return 0;
232}
233
234/*
235 * On older SoCs the SPL is actually at address zero, so using NULL as
236 * an error value does not work.
237 */
238#define INVALID_SPL_HEADER ((void *)~0UL)
239
240static struct boot_file_head * get_spl_header(uint8_t req_version)
241{
242	struct boot_file_head *spl = (void *)(ulong)SPL_ADDR;
243	uint8_t spl_header_version = spl->spl_signature[3];
244
245	/* Is there really the SPL header (still) there? */
246	if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) != 0)
247		return INVALID_SPL_HEADER;
248
249	if (spl_header_version < req_version) {
250		printf("sunxi SPL version mismatch: expected %u, got %u\n",
251		       req_version, spl_header_version);
252		return INVALID_SPL_HEADER;
253	}
254
255	return spl;
256}
257
258static const char *get_spl_dt_name(void)
259{
260	struct boot_file_head *spl = get_spl_header(SPL_DT_HEADER_VERSION);
261
262	/* Check if there is a DT name stored in the SPL header. */
263	if (spl != INVALID_SPL_HEADER && spl->dt_name_offset)
264		return (char *)spl + spl->dt_name_offset;
265
266	return NULL;
267}
268
269int dram_init(void)
270{
271	struct boot_file_head *spl = get_spl_header(SPL_DRAM_HEADER_VERSION);
272
273	if (spl == INVALID_SPL_HEADER)
274		gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0,
275					    PHYS_SDRAM_0_SIZE);
276	else
277		gd->ram_size = (phys_addr_t)spl->dram_size << 20;
278
279	if (gd->ram_size > CONFIG_SUNXI_DRAM_MAX_SIZE)
280		gd->ram_size = CONFIG_SUNXI_DRAM_MAX_SIZE;
281
282	return 0;
283}
284
285#if defined(CONFIG_NAND_SUNXI) && defined(CONFIG_SPL_BUILD)
286static void nand_pinmux_setup(void)
287{
288	unsigned int pin;
289
290	for (pin = SUNXI_GPC(0); pin <= SUNXI_GPC(19); pin++)
291		sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND);
292
293#if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN7I
294	for (pin = SUNXI_GPC(20); pin <= SUNXI_GPC(22); pin++)
295		sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND);
296#endif
297	/* sun4i / sun7i do have a PC23, but it is not used for nand,
298	 * only sun7i has a PC24 */
299#ifdef CONFIG_MACH_SUN7I
300	sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_NAND);
301#endif
302}
303
304static void nand_clock_setup(void)
305{
306	struct sunxi_ccm_reg *const ccm =
307		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
308
309	setbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0));
310#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I || \
311    defined CONFIG_MACH_SUN9I || defined CONFIG_MACH_SUN50I
312	setbits_le32(&ccm->ahb_reset0_cfg, (1 << AHB_GATE_OFFSET_NAND0));
313#endif
314	setbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1);
315}
316
317void board_nand_init(void)
318{
319	nand_pinmux_setup();
320	nand_clock_setup();
321}
322#endif /* CONFIG_NAND_SUNXI */
323
324#ifdef CONFIG_MMC
325static void mmc_pinmux_setup(int sdc)
326{
327	unsigned int pin;
328
329	switch (sdc) {
330	case 0:
331		/* SDC0: PF0-PF5 */
332		for (pin = SUNXI_GPF(0); pin <= SUNXI_GPF(5); pin++) {
333			sunxi_gpio_set_cfgpin(pin, SUNXI_GPF_SDC0);
334			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
335			sunxi_gpio_set_drv(pin, 2);
336		}
337		break;
338
339	case 1:
340#if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) || \
341    defined(CONFIG_MACH_SUN8I_R40)
342		if (IS_ENABLED(CONFIG_MMC1_PINS_PH)) {
343			/* SDC1: PH22-PH-27 */
344			for (pin = SUNXI_GPH(22); pin <= SUNXI_GPH(27); pin++) {
345				sunxi_gpio_set_cfgpin(pin, SUN4I_GPH_SDC1);
346				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
347				sunxi_gpio_set_drv(pin, 2);
348			}
349		} else {
350			/* SDC1: PG0-PG5 */
351			for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
352				sunxi_gpio_set_cfgpin(pin, SUN4I_GPG_SDC1);
353				sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
354				sunxi_gpio_set_drv(pin, 2);
355			}
356		}
357#elif defined(CONFIG_MACH_SUN5I)
358		/* SDC1: PG3-PG8 */
359		for (pin = SUNXI_GPG(3); pin <= SUNXI_GPG(8); pin++) {
360			sunxi_gpio_set_cfgpin(pin, SUN5I_GPG_SDC1);
361			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
362			sunxi_gpio_set_drv(pin, 2);
363		}
364#elif defined(CONFIG_MACH_SUN6I)
365		/* SDC1: PG0-PG5 */
366		for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
367			sunxi_gpio_set_cfgpin(pin, SUN6I_GPG_SDC1);
368			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
369			sunxi_gpio_set_drv(pin, 2);
370		}
371#elif defined(CONFIG_MACH_SUN8I)
372		/* SDC1: PG0-PG5 */
373		for (pin = SUNXI_GPG(0); pin <= SUNXI_GPG(5); pin++) {
374			sunxi_gpio_set_cfgpin(pin, SUN8I_GPG_SDC1);
375			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
376			sunxi_gpio_set_drv(pin, 2);
377		}
378#endif
379		break;
380
381	case 2:
382#if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I)
383		/* SDC2: PC6-PC11 */
384		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(11); pin++) {
385			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
386			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
387			sunxi_gpio_set_drv(pin, 2);
388		}
389#elif defined(CONFIG_MACH_SUN5I)
390		/* SDC2: PC6-PC15 */
391		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
392			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
393			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
394			sunxi_gpio_set_drv(pin, 2);
395		}
396#elif defined(CONFIG_MACH_SUN6I)
397		/* SDC2: PC6-PC15, PC24 */
398		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
399			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
400			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
401			sunxi_gpio_set_drv(pin, 2);
402		}
403
404		sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_SDC2);
405		sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
406		sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
407#elif defined(CONFIG_MACH_SUN8I_R40)
408		/* SDC2: PC6-PC15, PC24 */
409		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
410			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
411			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
412			sunxi_gpio_set_drv(pin, 2);
413		}
414
415		sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_SDC2);
416		sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
417		sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
418#elif defined(CONFIG_MACH_SUN8I) || defined(CONFIG_MACH_SUN50I)
419		/* SDC2: PC5-PC6, PC8-PC16 */
420		for (pin = SUNXI_GPC(5); pin <= SUNXI_GPC(6); 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
426		for (pin = SUNXI_GPC(8); pin <= SUNXI_GPC(16); pin++) {
427			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
428			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
429			sunxi_gpio_set_drv(pin, 2);
430		}
431#elif defined(CONFIG_MACH_SUN50I_H6)
432		/* SDC2: PC4-PC14 */
433		for (pin = SUNXI_GPC(4); pin <= SUNXI_GPC(14); pin++) {
434			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
435			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
436			sunxi_gpio_set_drv(pin, 2);
437		}
438#elif defined(CONFIG_MACH_SUN50I_H616)
439		/* SDC2: PC0-PC1, PC5-PC6, PC8-PC11, PC13-PC16 */
440		for (pin = SUNXI_GPC(0); pin <= SUNXI_GPC(16); pin++) {
441			if (pin > SUNXI_GPC(1) && pin < SUNXI_GPC(5))
442				continue;
443			if (pin == SUNXI_GPC(7) || pin == SUNXI_GPC(12))
444				continue;
445			sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
446			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
447			sunxi_gpio_set_drv(pin, 3);
448		}
449#elif defined(CONFIG_MACH_SUN9I)
450		/* SDC2: PC6-PC16 */
451		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(16); 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#elif defined(CONFIG_MACH_SUN8I_R528)
457                /* SDC2: PC2-PC7 */
458                for (pin = SUNXI_GPC(2); pin <= SUNXI_GPC(7); pin++) {
459                        sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
460                        sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
461                        sunxi_gpio_set_drv(pin, 2);
462                }
463#else
464		puts("ERROR: No pinmux setup defined for MMC2!\n");
465#endif
466		break;
467
468	case 3:
469#if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) || \
470    defined(CONFIG_MACH_SUN8I_R40)
471		/* SDC3: PI4-PI9 */
472		for (pin = SUNXI_GPI(4); pin <= SUNXI_GPI(9); pin++) {
473			sunxi_gpio_set_cfgpin(pin, SUNXI_GPI_SDC3);
474			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
475			sunxi_gpio_set_drv(pin, 2);
476		}
477#elif defined(CONFIG_MACH_SUN6I)
478		/* SDC3: PC6-PC15, PC24 */
479		for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(15); pin++) {
480			sunxi_gpio_set_cfgpin(pin, SUN6I_GPC_SDC3);
481			sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
482			sunxi_gpio_set_drv(pin, 2);
483		}
484
485		sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUN6I_GPC_SDC3);
486		sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP);
487		sunxi_gpio_set_drv(SUNXI_GPC(24), 2);
488#endif
489		break;
490
491	default:
492		printf("sunxi: invalid MMC slot %d for pinmux setup\n", sdc);
493		break;
494	}
495}
496
497int board_mmc_init(struct bd_info *bis)
498{
499	/*
500	 * The BROM always accesses MMC port 0 (typically an SD card), and
501	 * most boards seem to have such a slot. The others haven't reported
502	 * any problem with unconditionally enabling this in the SPL.
503	 */
504	if (!IS_ENABLED(CONFIG_UART0_PORT_F)) {
505		mmc_pinmux_setup(0);
506		if (!sunxi_mmc_init(0))
507			return -1;
508	}
509
510	if (CONFIG_MMC_SUNXI_SLOT_EXTRA != -1) {
511		mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA);
512		if (!sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA))
513			return -1;
514	}
515
516	return 0;
517}
518
519#if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1
520int mmc_get_env_dev(void)
521{
522	switch (sunxi_get_boot_device()) {
523	case BOOT_DEVICE_MMC1:
524		return 0;
525	case BOOT_DEVICE_MMC2:
526		return 1;
527	default:
528		return CONFIG_SYS_MMC_ENV_DEV;
529	}
530}
531#endif
532#endif /* CONFIG_MMC */
533
534#ifdef CONFIG_SPL_BUILD
535
536static void sunxi_spl_store_dram_size(phys_addr_t dram_size)
537{
538	struct boot_file_head *spl = get_spl_header(SPL_DT_HEADER_VERSION);
539
540	if (spl == INVALID_SPL_HEADER)
541		return;
542
543	/* Promote the header version for U-Boot proper, if needed. */
544	if (spl->spl_signature[3] < SPL_DRAM_HEADER_VERSION)
545		spl->spl_signature[3] = SPL_DRAM_HEADER_VERSION;
546
547	spl->dram_size = dram_size >> 20;
548}
549
550void sunxi_board_init(void)
551{
552	int power_failed = 0;
553
554#ifdef CONFIG_LED_STATUS
555	if (IS_ENABLED(CONFIG_SPL_DRIVERS_MISC))
556		status_led_init();
557#endif
558
559#ifdef CONFIG_SY8106A_POWER
560	power_failed = sy8106a_set_vout1(CONFIG_SY8106A_VOUT1_VOLT);
561#endif
562
563#if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || \
564	defined CONFIG_AXP221_POWER || defined CONFIG_AXP305_POWER || \
565	defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER || \
566	defined CONFIG_AXP313_POWER
567	power_failed = axp_init();
568
569	if (IS_ENABLED(CONFIG_AXP_DISABLE_BOOT_ON_POWERON) && !power_failed) {
570		u8 boot_reason;
571
572		pmic_bus_read(AXP_POWER_STATUS, &boot_reason);
573		if (boot_reason & AXP_POWER_STATUS_ALDO_IN) {
574			printf("Power on by plug-in, shutting down.\n");
575			pmic_bus_write(0x32, BIT(7));
576		}
577	}
578
579#ifdef CONFIG_AXP_DCDC1_VOLT
580	power_failed |= axp_set_dcdc1(CONFIG_AXP_DCDC1_VOLT);
581	power_failed |= axp_set_dcdc5(CONFIG_AXP_DCDC5_VOLT);
582#endif
583#ifdef CONFIG_AXP_DCDC2_VOLT
584	power_failed |= axp_set_dcdc2(CONFIG_AXP_DCDC2_VOLT);
585	power_failed |= axp_set_dcdc3(CONFIG_AXP_DCDC3_VOLT);
586#endif
587#ifdef CONFIG_AXP_DCDC4_VOLT
588	power_failed |= axp_set_dcdc4(CONFIG_AXP_DCDC4_VOLT);
589#endif
590
591#ifdef CONFIG_AXP_ALDO1_VOLT
592	power_failed |= axp_set_aldo1(CONFIG_AXP_ALDO1_VOLT);
593#endif
594#ifdef CONFIG_AXP_ALDO2_VOLT
595	power_failed |= axp_set_aldo2(CONFIG_AXP_ALDO2_VOLT);
596#endif
597#ifdef CONFIG_AXP_ALDO3_VOLT
598	power_failed |= axp_set_aldo3(CONFIG_AXP_ALDO3_VOLT);
599#endif
600#ifdef CONFIG_AXP_ALDO4_VOLT
601	power_failed |= axp_set_aldo4(CONFIG_AXP_ALDO4_VOLT);
602#endif
603
604#ifdef CONFIG_AXP_DLDO1_VOLT
605	power_failed |= axp_set_dldo(1, CONFIG_AXP_DLDO1_VOLT);
606	power_failed |= axp_set_dldo(2, CONFIG_AXP_DLDO2_VOLT);
607#endif
608#ifdef CONFIG_AXP_DLDO3_VOLT
609	power_failed |= axp_set_dldo(3, CONFIG_AXP_DLDO3_VOLT);
610	power_failed |= axp_set_dldo(4, CONFIG_AXP_DLDO4_VOLT);
611#endif
612#ifdef CONFIG_AXP_ELDO1_VOLT
613	power_failed |= axp_set_eldo(1, CONFIG_AXP_ELDO1_VOLT);
614	power_failed |= axp_set_eldo(2, CONFIG_AXP_ELDO2_VOLT);
615	power_failed |= axp_set_eldo(3, CONFIG_AXP_ELDO3_VOLT);
616#endif
617
618#ifdef CONFIG_AXP_FLDO1_VOLT
619	power_failed |= axp_set_fldo(1, CONFIG_AXP_FLDO1_VOLT);
620	power_failed |= axp_set_fldo(2, CONFIG_AXP_FLDO2_VOLT);
621	power_failed |= axp_set_fldo(3, CONFIG_AXP_FLDO3_VOLT);
622#endif
623
624#if defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER
625	power_failed |= axp_set_sw(IS_ENABLED(CONFIG_AXP_SW_ON));
626#endif
627#endif	/* CONFIG_AXPxxx_POWER */
628	printf("DRAM:");
629	gd->ram_size = sunxi_dram_init();
630	printf(" %d MiB\n", (int)(gd->ram_size >> 20));
631	if (!gd->ram_size)
632		hang();
633
634	sunxi_spl_store_dram_size(gd->ram_size);
635
636	/*
637	 * Only clock up the CPU to full speed if we are reasonably
638	 * assured it's being powered with suitable core voltage
639	 */
640	if (!power_failed)
641		clock_set_pll1(get_board_sys_clk());
642	else
643		printf("Failed to set core voltage! Can't set CPU frequency\n");
644}
645#endif /* CONFIG_SPL_BUILD */
646
647#ifdef CONFIG_USB_GADGET
648int g_dnl_board_usb_cable_connected(void)
649{
650	struct udevice *dev;
651	struct phy phy;
652	int ret;
653
654	ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, 0, &dev);
655	if (ret) {
656		pr_err("%s: Cannot find USB device\n", __func__);
657		return ret;
658	}
659
660	ret = generic_phy_get_by_name(dev, "usb", &phy);
661	if (ret) {
662		pr_err("failed to get %s USB PHY\n", dev->name);
663		return ret;
664	}
665
666	ret = generic_phy_init(&phy);
667	if (ret) {
668		pr_debug("failed to init %s USB PHY\n", dev->name);
669		return ret;
670	}
671
672	return sun4i_usb_phy_vbus_detect(&phy);
673}
674#endif /* CONFIG_USB_GADGET */
675
676#ifdef CONFIG_SERIAL_TAG
677void get_board_serial(struct tag_serialnr *serialnr)
678{
679	char *serial_string;
680	unsigned long long serial;
681
682	serial_string = env_get("serial#");
683
684	if (serial_string) {
685		serial = simple_strtoull(serial_string, NULL, 16);
686
687		serialnr->high = (unsigned int) (serial >> 32);
688		serialnr->low = (unsigned int) (serial & 0xffffffff);
689	} else {
690		serialnr->high = 0;
691		serialnr->low = 0;
692	}
693}
694#endif
695
696/*
697 * Check the SPL header for the "sunxi" variant. If found: parse values
698 * that might have been passed by the loader ("fel" utility), and update
699 * the environment accordingly.
700 */
701static void parse_spl_header(const uint32_t spl_addr)
702{
703	struct boot_file_head *spl = get_spl_header(SPL_ENV_HEADER_VERSION);
704
705	if (spl == INVALID_SPL_HEADER)
706		return;
707
708	if (!spl->fel_script_address)
709		return;
710
711	if (spl->fel_uEnv_length != 0) {
712		/*
713		 * data is expected in uEnv.txt compatible format, so "env
714		 * import -t" the string(s) at fel_script_address right away.
715		 */
716		himport_r(&env_htab, (char *)(uintptr_t)spl->fel_script_address,
717			  spl->fel_uEnv_length, '\n', H_NOCLEAR, 0, 0, NULL);
718		return;
719	}
720	/* otherwise assume .scr format (mkimage-type script) */
721	env_set_hex("fel_scriptaddr", spl->fel_script_address);
722}
723
724static bool get_unique_sid(unsigned int *sid)
725{
726	if (sunxi_get_sid(sid) != 0)
727		return false;
728
729	if (!sid[0])
730		return false;
731
732	/*
733	 * The single words 1 - 3 of the SID have quite a few bits
734	 * which are the same on many models, so we take a crc32
735	 * of all 3 words, to get a more unique value.
736	 *
737	 * Note we only do this on newer SoCs as we cannot change
738	 * the algorithm on older SoCs since those have been using
739	 * fixed mac-addresses based on only using word 3 for a
740	 * long time and changing a fixed mac-address with an
741	 * u-boot update is not good.
742	 */
743#if !defined(CONFIG_MACH_SUN4I) && !defined(CONFIG_MACH_SUN5I) && \
744    !defined(CONFIG_MACH_SUN6I) && !defined(CONFIG_MACH_SUN7I) && \
745    !defined(CONFIG_MACH_SUN8I_A23) && !defined(CONFIG_MACH_SUN8I_A33)
746	sid[3] = crc32(0, (unsigned char *)&sid[1], 12);
747#endif
748
749	/* Ensure the NIC specific bytes of the mac are not all 0 */
750	if ((sid[3] & 0xffffff) == 0)
751		sid[3] |= 0x800000;
752
753	return true;
754}
755
756/*
757 * Note this function gets called multiple times.
758 * It must not make any changes to env variables which already exist.
759 */
760static void setup_environment(const void *fdt)
761{
762	char serial_string[17] = { 0 };
763	unsigned int sid[4];
764	uint8_t mac_addr[6];
765	char ethaddr[16];
766	int i;
767
768	if (!get_unique_sid(sid))
769		return;
770
771	for (i = 0; i < 4; i++) {
772		sprintf(ethaddr, "ethernet%d", i);
773		if (!fdt_get_alias(fdt, ethaddr))
774			continue;
775
776		if (i == 0)
777			strcpy(ethaddr, "ethaddr");
778		else
779			sprintf(ethaddr, "eth%daddr", i);
780
781		if (env_get(ethaddr))
782			continue;
783
784		/* Non OUI / registered MAC address */
785		mac_addr[0] = (i << 4) | 0x02;
786		mac_addr[1] = (sid[0] >>  0) & 0xff;
787		mac_addr[2] = (sid[3] >> 24) & 0xff;
788		mac_addr[3] = (sid[3] >> 16) & 0xff;
789		mac_addr[4] = (sid[3] >>  8) & 0xff;
790		mac_addr[5] = (sid[3] >>  0) & 0xff;
791
792		eth_env_set_enetaddr(ethaddr, mac_addr);
793	}
794
795	if (!env_get("serial#")) {
796		snprintf(serial_string, sizeof(serial_string),
797			"%08x%08x", sid[0], sid[3]);
798
799		env_set("serial#", serial_string);
800	}
801}
802
803int misc_init_r(void)
804{
805	const char *spl_dt_name;
806	uint boot;
807
808	env_set("fel_booted", NULL);
809	env_set("fel_scriptaddr", NULL);
810	env_set("mmc_bootdev", NULL);
811
812	boot = sunxi_get_boot_device();
813	/* determine if we are running in FEL mode */
814	if (boot == BOOT_DEVICE_BOARD) {
815		env_set("fel_booted", "1");
816		parse_spl_header(SPL_ADDR);
817	/* or if we booted from MMC, and which one */
818	} else if (boot == BOOT_DEVICE_MMC1) {
819		env_set("mmc_bootdev", "0");
820	} else if (boot == BOOT_DEVICE_MMC2) {
821		env_set("mmc_bootdev", "1");
822	}
823
824	/* Set fdtfile to match the FIT configuration chosen in SPL. */
825	spl_dt_name = get_spl_dt_name();
826	if (spl_dt_name) {
827		char *prefix = IS_ENABLED(CONFIG_ARM64) ? "allwinner/" : "";
828		char str[64];
829
830		snprintf(str, sizeof(str), "%s%s.dtb", prefix, spl_dt_name);
831		env_set("fdtfile", str);
832	}
833
834	setup_environment(gd->fdt_blob);
835
836	return 0;
837}
838
839int board_late_init(void)
840{
841#ifdef CONFIG_USB_ETHER
842	usb_ether_init();
843#endif
844
845	return 0;
846}
847
848static void bluetooth_dt_fixup(void *blob)
849{
850	/* Some devices ship with a Bluetooth controller default address.
851	 * Set a valid address through the device tree.
852	 */
853	uchar tmp[ETH_ALEN], bdaddr[ETH_ALEN];
854	unsigned int sid[4];
855	int i;
856
857	if (!CONFIG_BLUETOOTH_DT_DEVICE_FIXUP[0])
858		return;
859
860	if (eth_env_get_enetaddr("bdaddr", tmp)) {
861		/* Convert between the binary formats of the corresponding stacks */
862		for (i = 0; i < ETH_ALEN; ++i)
863			bdaddr[i] = tmp[ETH_ALEN - i - 1];
864	} else {
865		if (!get_unique_sid(sid))
866			return;
867
868		bdaddr[0] = ((sid[3] >>  0) & 0xff) ^ 1;
869		bdaddr[1] = (sid[3] >>  8) & 0xff;
870		bdaddr[2] = (sid[3] >> 16) & 0xff;
871		bdaddr[3] = (sid[3] >> 24) & 0xff;
872		bdaddr[4] = (sid[0] >>  0) & 0xff;
873		bdaddr[5] = 0x02;
874	}
875
876	do_fixup_by_compat(blob, CONFIG_BLUETOOTH_DT_DEVICE_FIXUP,
877			   "local-bd-address", bdaddr, ETH_ALEN, 1);
878}
879
880int ft_board_setup(void *blob, struct bd_info *bd)
881{
882	int __maybe_unused r;
883
884	/*
885	 * Call setup_environment and fdt_fixup_ethernet again
886	 * in case the boot fdt has ethernet aliases the u-boot
887	 * copy does not have.
888	 */
889	setup_environment(blob);
890	fdt_fixup_ethernet(blob);
891
892	bluetooth_dt_fixup(blob);
893
894#ifdef CONFIG_VIDEO_DT_SIMPLEFB
895	r = sunxi_simplefb_setup(blob);
896	if (r)
897		return r;
898#endif
899	return 0;
900}
901
902#ifdef CONFIG_SPL_LOAD_FIT
903static void set_spl_dt_name(const char *name)
904{
905	struct boot_file_head *spl = get_spl_header(SPL_ENV_HEADER_VERSION);
906
907	if (spl == INVALID_SPL_HEADER)
908		return;
909
910	/* Promote the header version for U-Boot proper, if needed. */
911	if (spl->spl_signature[3] < SPL_DT_HEADER_VERSION)
912		spl->spl_signature[3] = SPL_DT_HEADER_VERSION;
913
914	strcpy((char *)&spl->string_pool, name);
915	spl->dt_name_offset = offsetof(struct boot_file_head, string_pool);
916}
917
918int board_fit_config_name_match(const char *name)
919{
920	const char *best_dt_name = get_spl_dt_name();
921	int ret;
922
923#ifdef CONFIG_DEFAULT_DEVICE_TREE
924	if (best_dt_name == NULL)
925		best_dt_name = CONFIG_DEFAULT_DEVICE_TREE;
926#endif
927
928	if (best_dt_name == NULL) {
929		/* No DT name was provided, so accept the first config. */
930		return 0;
931	}
932#ifdef CONFIG_PINE64_DT_SELECTION
933	if (strstr(best_dt_name, "-pine64-plus")) {
934		/* Differentiate the Pine A64 boards by their DRAM size. */
935		if (gd->ram_size == SZ_512M)
936			best_dt_name = "sun50i-a64-pine64";
937	}
938#endif
939#ifdef CONFIG_PINEPHONE_DT_SELECTION
940	if (strstr(best_dt_name, "-pinephone")) {
941		/* Differentiate the PinePhone revisions by GPIO inputs. */
942		prcm_apb0_enable(PRCM_APB0_GATE_PIO);
943		sunxi_gpio_set_pull(SUNXI_GPL(6), SUNXI_GPIO_PULL_UP);
944		sunxi_gpio_set_cfgpin(SUNXI_GPL(6), SUNXI_GPIO_INPUT);
945		udelay(100);
946
947		/* PL6 is pulled low by the modem on v1.2. */
948		if (gpio_get_value(SUNXI_GPL(6)) == 0)
949			best_dt_name = "sun50i-a64-pinephone-1.2";
950		else
951			best_dt_name = "sun50i-a64-pinephone-1.1";
952
953		sunxi_gpio_set_cfgpin(SUNXI_GPL(6), SUNXI_GPIO_DISABLE);
954		sunxi_gpio_set_pull(SUNXI_GPL(6), SUNXI_GPIO_PULL_DISABLE);
955		prcm_apb0_disable(PRCM_APB0_GATE_PIO);
956	}
957#endif
958
959	ret = strcmp(name, best_dt_name);
960
961	/*
962	 * If one of the FIT configurations matches the most accurate DT name,
963	 * update the SPL header to provide that DT name to U-Boot proper.
964	 */
965	if (ret == 0)
966		set_spl_dt_name(best_dt_name);
967
968	return ret;
969}
970#endif /* CONFIG_SPL_LOAD_FIT */
971