1 /*
2  * Copyright (C) 2015 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <asm/arch/clock.h>
8 #include <asm/arch/iomux.h>
9 #include <asm/arch/imx-regs.h>
10 #include <asm/arch/crm_regs.h>
11 #include <asm/arch/mx6ul_pins.h>
12 #include <asm/arch/mx6-pins.h>
13 #include <asm/arch/sys_proto.h>
14 #include <asm/gpio.h>
15 #include <asm/imx-common/iomux-v3.h>
16 #include <asm/imx-common/boot_mode.h>
17 #include <asm/imx-common/mxc_i2c.h>
18 #include <asm/io.h>
19 #include <common.h>
20 #include <fsl_esdhc.h>
21 #include <i2c.h>
22 #include <miiphy.h>
23 #include <linux/sizes.h>
24 #include <mmc.h>
25 #include <netdev.h>
26 #include <power/pmic.h>
27 #include <power/pfuze3000_pmic.h>
28 #include "../common/pfuze.h"
29 #include <usb.h>
30 #include <usb/ehci-ci.h>
31 
32 DECLARE_GLOBAL_DATA_PTR;
33 
34 #define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
35 	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
36 	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
37 
38 #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |		\
39 	PAD_CTL_PUS_22K_UP  | PAD_CTL_SPEED_LOW |		\
40 	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
41 
42 #define USDHC_DAT3_CD_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |	\
43 	PAD_CTL_PUS_100K_DOWN  | PAD_CTL_SPEED_LOW |		\
44 	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
45 
46 #define I2C_PAD_CTRL    (PAD_CTL_PKE | PAD_CTL_PUE |            \
47 	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
48 	PAD_CTL_DSE_40ohm | PAD_CTL_HYS |			\
49 	PAD_CTL_ODE)
50 
51 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE |     \
52 	PAD_CTL_SPEED_HIGH   |                                  \
53 	PAD_CTL_DSE_48ohm   | PAD_CTL_SRE_FAST)
54 
55 #define LCD_PAD_CTRL    (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
56 	PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
57 
58 #define MDIO_PAD_CTRL  (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE |     \
59 	PAD_CTL_DSE_48ohm   | PAD_CTL_SRE_FAST | PAD_CTL_ODE)
60 
61 #define ENET_CLK_PAD_CTRL  (PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST)
62 
63 #define IOX_SDI IMX_GPIO_NR(5, 10)
64 #define IOX_STCP IMX_GPIO_NR(5, 7)
65 #define IOX_SHCP IMX_GPIO_NR(5, 11)
66 #define IOX_OE IMX_GPIO_NR(5, 8)
67 
68 static iomux_v3_cfg_t const iox_pads[] = {
69 	/* IOX_SDI */
70 	MX6_PAD_BOOT_MODE0__GPIO5_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
71 	/* IOX_SHCP */
72 	MX6_PAD_BOOT_MODE1__GPIO5_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
73 	/* IOX_STCP */
74 	MX6_PAD_SNVS_TAMPER7__GPIO5_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
75 	/* IOX_nOE */
76 	MX6_PAD_SNVS_TAMPER8__GPIO5_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
77 };
78 
79 /*
80  * HDMI_nRST --> Q0
81  * ENET1_nRST --> Q1
82  * ENET2_nRST --> Q2
83  * CAN1_2_STBY --> Q3
84  * BT_nPWD --> Q4
85  * CSI_RST --> Q5
86  * CSI_PWDN --> Q6
87  * LCD_nPWREN --> Q7
88  */
89 enum qn {
90 	HDMI_NRST,
91 	ENET1_NRST,
92 	ENET2_NRST,
93 	CAN1_2_STBY,
94 	BT_NPWD,
95 	CSI_RST,
96 	CSI_PWDN,
97 	LCD_NPWREN,
98 };
99 
100 enum qn_func {
101 	qn_reset,
102 	qn_enable,
103 	qn_disable,
104 };
105 
106 enum qn_level {
107 	qn_low = 0,
108 	qn_high = 1,
109 };
110 
111 static enum qn_level seq[3][2] = {
112 	{0, 1}, {1, 1}, {0, 0}
113 };
114 
115 static enum qn_func qn_output[8] = {
116 	qn_reset, qn_reset, qn_reset, qn_enable, qn_disable, qn_reset,
117 	qn_disable, qn_disable
118 };
119 
120 static void iox74lv_init(void)
121 {
122 	int i;
123 
124 	gpio_direction_output(IOX_OE, 0);
125 
126 	for (i = 7; i >= 0; i--) {
127 		gpio_direction_output(IOX_SHCP, 0);
128 		gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]);
129 		udelay(500);
130 		gpio_direction_output(IOX_SHCP, 1);
131 		udelay(500);
132 	}
133 
134 	gpio_direction_output(IOX_STCP, 0);
135 	udelay(500);
136 	/*
137 	 * shift register will be output to pins
138 	 */
139 	gpio_direction_output(IOX_STCP, 1);
140 
141 	for (i = 7; i >= 0; i--) {
142 		gpio_direction_output(IOX_SHCP, 0);
143 		gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
144 		udelay(500);
145 		gpio_direction_output(IOX_SHCP, 1);
146 		udelay(500);
147 	}
148 	gpio_direction_output(IOX_STCP, 0);
149 	udelay(500);
150 	/*
151 	 * shift register will be output to pins
152 	 */
153 	gpio_direction_output(IOX_STCP, 1);
154 };
155 
156 #ifdef CONFIG_SYS_I2C_MXC
157 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
158 /* I2C1 for PMIC and EEPROM */
159 static struct i2c_pads_info i2c_pad_info1 = {
160 	.scl = {
161 		.i2c_mode =  MX6_PAD_UART4_TX_DATA__I2C1_SCL | PC,
162 		.gpio_mode = MX6_PAD_UART4_TX_DATA__GPIO1_IO28 | PC,
163 		.gp = IMX_GPIO_NR(1, 28),
164 	},
165 	.sda = {
166 		.i2c_mode = MX6_PAD_UART4_RX_DATA__I2C1_SDA | PC,
167 		.gpio_mode = MX6_PAD_UART4_RX_DATA__GPIO1_IO29 | PC,
168 		.gp = IMX_GPIO_NR(1, 29),
169 	},
170 };
171 
172 #ifdef CONFIG_POWER
173 #define I2C_PMIC       0
174 int power_init_board(void)
175 {
176 	if (is_mx6ul_9x9_evk()) {
177 		struct pmic *pfuze;
178 		int ret;
179 		unsigned int reg, rev_id;
180 
181 		ret = power_pfuze3000_init(I2C_PMIC);
182 		if (ret)
183 			return ret;
184 
185 		pfuze = pmic_get("PFUZE3000");
186 		ret = pmic_probe(pfuze);
187 		if (ret)
188 			return ret;
189 
190 		pmic_reg_read(pfuze, PFUZE3000_DEVICEID, &reg);
191 		pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
192 		printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n",
193 		       reg, rev_id);
194 
195 		/* disable Low Power Mode during standby mode */
196 		pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, 0x1);
197 
198 		/* SW1B step ramp up time from 2us to 4us/25mV */
199 		reg = 0x40;
200 		pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, reg);
201 
202 		/* SW1B mode to APS/PFM */
203 		reg = 0xc;
204 		pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, reg);
205 
206 		/* SW1B standby voltage set to 0.975V */
207 		reg = 0xb;
208 		pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, reg);
209 	}
210 
211 	return 0;
212 }
213 #endif
214 #endif
215 
216 int dram_init(void)
217 {
218 	gd->ram_size = imx_ddr_size();
219 
220 	return 0;
221 }
222 
223 static iomux_v3_cfg_t const uart1_pads[] = {
224 	MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
225 	MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
226 };
227 
228 static iomux_v3_cfg_t const usdhc1_pads[] = {
229 	MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
230 	MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
231 	MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
232 	MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
233 	MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
234 	MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
235 
236 	/* VSELECT */
237 	MX6_PAD_GPIO1_IO05__USDHC1_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
238 	/* CD */
239 	MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
240 	/* RST_B */
241 	MX6_PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
242 };
243 
244 /*
245  * mx6ul_14x14_evk board default supports sd card. If want to use
246  * EMMC, need to do board rework for sd2.
247  * Introduce CONFIG_MX6UL_14X14_EVK_EMMC_REWORK, if sd2 reworked to support
248  * emmc, need to define this macro.
249  */
250 #if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
251 static iomux_v3_cfg_t const usdhc2_emmc_pads[] = {
252 	MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
253 	MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
254 	MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
255 	MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
256 	MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
257 	MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
258 	MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
259 	MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
260 	MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
261 	MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
262 
263 	/*
264 	 * RST_B
265 	 */
266 	MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
267 };
268 #else
269 static iomux_v3_cfg_t const usdhc2_pads[] = {
270 	MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
271 	MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
272 	MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
273 	MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
274 	MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
275 	MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
276 };
277 
278 /*
279  * The evk board uses DAT3 to detect CD card plugin,
280  * in u-boot we mux the pin to GPIO when doing board_mmc_getcd.
281  */
282 static iomux_v3_cfg_t const usdhc2_cd_pad =
283 	MX6_PAD_NAND_DATA03__GPIO4_IO05 | MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL);
284 
285 static iomux_v3_cfg_t const usdhc2_dat3_pad =
286 	MX6_PAD_NAND_DATA03__USDHC2_DATA3 |
287 	MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL);
288 #endif
289 
290 static void setup_iomux_uart(void)
291 {
292 	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
293 }
294 
295 #ifdef CONFIG_FSL_QSPI
296 
297 #define QSPI_PAD_CTRL1	\
298 	(PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
299 	 PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_120ohm)
300 
301 static iomux_v3_cfg_t const quadspi_pads[] = {
302 	MX6_PAD_NAND_WP_B__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
303 	MX6_PAD_NAND_READY_B__QSPI_A_DATA00 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
304 	MX6_PAD_NAND_CE0_B__QSPI_A_DATA01 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
305 	MX6_PAD_NAND_CE1_B__QSPI_A_DATA02 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
306 	MX6_PAD_NAND_CLE__QSPI_A_DATA03 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
307 	MX6_PAD_NAND_DQS__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
308 };
309 
310 static int board_qspi_init(void)
311 {
312 	/* Set the iomux */
313 	imx_iomux_v3_setup_multiple_pads(quadspi_pads,
314 					 ARRAY_SIZE(quadspi_pads));
315 	/* Set the clock */
316 	enable_qspi_clk(0);
317 
318 	return 0;
319 }
320 #endif
321 
322 #ifdef CONFIG_FSL_ESDHC
323 static struct fsl_esdhc_cfg usdhc_cfg[2] = {
324 	{USDHC1_BASE_ADDR, 0, 4},
325 #if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
326 	{USDHC2_BASE_ADDR, 0, 8},
327 #else
328 	{USDHC2_BASE_ADDR, 0, 4},
329 #endif
330 };
331 
332 #define USDHC1_CD_GPIO	IMX_GPIO_NR(1, 19)
333 #define USDHC1_PWR_GPIO	IMX_GPIO_NR(1, 9)
334 #define USDHC2_CD_GPIO	IMX_GPIO_NR(4, 5)
335 #define USDHC2_PWR_GPIO	IMX_GPIO_NR(4, 10)
336 
337 int board_mmc_getcd(struct mmc *mmc)
338 {
339 	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
340 	int ret = 0;
341 
342 	switch (cfg->esdhc_base) {
343 	case USDHC1_BASE_ADDR:
344 		ret = !gpio_get_value(USDHC1_CD_GPIO);
345 		break;
346 	case USDHC2_BASE_ADDR:
347 #if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
348 		ret = 1;
349 #else
350 		imx_iomux_v3_setup_pad(usdhc2_cd_pad);
351 		gpio_direction_input(USDHC2_CD_GPIO);
352 
353 		/*
354 		 * Since it is the DAT3 pin, this pin is pulled to
355 		 * low voltage if no card
356 		 */
357 		ret = gpio_get_value(USDHC2_CD_GPIO);
358 
359 		imx_iomux_v3_setup_pad(usdhc2_dat3_pad);
360 #endif
361 		break;
362 	}
363 
364 	return ret;
365 }
366 
367 int board_mmc_init(bd_t *bis)
368 {
369 #ifdef CONFIG_SPL_BUILD
370 #if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
371 	imx_iomux_v3_setup_multiple_pads(usdhc2_emmc_pads,
372 					 ARRAY_SIZE(usdhc2_emmc_pads));
373 #else
374 	imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
375 #endif
376 	gpio_direction_output(USDHC2_PWR_GPIO, 0);
377 	udelay(500);
378 	gpio_direction_output(USDHC2_PWR_GPIO, 1);
379 	usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
380 	return fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
381 #else
382 	int i, ret;
383 
384 	/*
385 	 * According to the board_mmc_init() the following map is done:
386 	 * (U-Boot device node)    (Physical Port)
387 	 * mmc0                    USDHC1
388 	 * mmc1                    USDHC2
389 	 */
390 	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
391 		switch (i) {
392 		case 0:
393 			imx_iomux_v3_setup_multiple_pads(
394 				usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
395 			gpio_direction_input(USDHC1_CD_GPIO);
396 			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
397 
398 			gpio_direction_output(USDHC1_PWR_GPIO, 0);
399 			udelay(500);
400 			gpio_direction_output(USDHC1_PWR_GPIO, 1);
401 			break;
402 		case 1:
403 #if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
404 			imx_iomux_v3_setup_multiple_pads(
405 				usdhc2_emmc_pads, ARRAY_SIZE(usdhc2_emmc_pads));
406 #else
407 			imx_iomux_v3_setup_multiple_pads(
408 				usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
409 #endif
410 			gpio_direction_output(USDHC2_PWR_GPIO, 0);
411 			udelay(500);
412 			gpio_direction_output(USDHC2_PWR_GPIO, 1);
413 			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
414 			break;
415 		default:
416 			printf("Warning: you configured more USDHC controllers (%d) than supported by the board\n", i + 1);
417 			return -EINVAL;
418 			}
419 
420 			ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
421 			if (ret) {
422 				printf("Warning: failed to initialize mmc dev %d\n", i);
423 				return ret;
424 			}
425 	}
426 #endif
427 	return 0;
428 }
429 #endif
430 
431 #ifdef CONFIG_USB_EHCI_MX6
432 #define USB_OTHERREGS_OFFSET	0x800
433 #define UCTRL_PWR_POL		(1 << 9)
434 
435 static iomux_v3_cfg_t const usb_otg_pads[] = {
436 	MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
437 };
438 
439 /* At default the 3v3 enables the MIC2026 for VBUS power */
440 static void setup_usb(void)
441 {
442 	imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
443 					 ARRAY_SIZE(usb_otg_pads));
444 }
445 
446 int board_usb_phy_mode(int port)
447 {
448 	if (port == 1)
449 		return USB_INIT_HOST;
450 	else
451 		return usb_phy_mode(port);
452 }
453 
454 int board_ehci_hcd_init(int port)
455 {
456 	u32 *usbnc_usb_ctrl;
457 
458 	if (port > 1)
459 		return -EINVAL;
460 
461 	usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
462 				 port * 4);
463 
464 	/* Set Power polarity */
465 	setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
466 
467 	return 0;
468 }
469 #endif
470 
471 #ifdef CONFIG_FEC_MXC
472 /*
473  * pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only
474  * be used for ENET1 or ENET2, cannot be used for both.
475  */
476 static iomux_v3_cfg_t const fec1_pads[] = {
477 	MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
478 	MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
479 	MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
480 	MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
481 	MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
482 	MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
483 	MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
484 	MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
485 	MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
486 	MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
487 };
488 
489 static iomux_v3_cfg_t const fec2_pads[] = {
490 	MX6_PAD_GPIO1_IO06__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
491 	MX6_PAD_GPIO1_IO07__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
492 
493 	MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
494 	MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
495 	MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
496 	MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
497 
498 	MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
499 	MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
500 	MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
501 	MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
502 };
503 
504 static void setup_iomux_fec(int fec_id)
505 {
506 	if (fec_id == 0)
507 		imx_iomux_v3_setup_multiple_pads(fec1_pads,
508 						 ARRAY_SIZE(fec1_pads));
509 	else
510 		imx_iomux_v3_setup_multiple_pads(fec2_pads,
511 						 ARRAY_SIZE(fec2_pads));
512 }
513 
514 int board_eth_init(bd_t *bis)
515 {
516 	setup_iomux_fec(CONFIG_FEC_ENET_DEV);
517 
518 	return fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
519 				       CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
520 }
521 
522 static int setup_fec(int fec_id)
523 {
524 	struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
525 	int ret;
526 
527 	if (fec_id == 0) {
528 		/*
529 		 * Use 50M anatop loopback REF_CLK1 for ENET1,
530 		 * clear gpr1[13], set gpr1[17].
531 		 */
532 		clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
533 				IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
534 	} else {
535 		/*
536 		 * Use 50M anatop loopback REF_CLK2 for ENET2,
537 		 * clear gpr1[14], set gpr1[18].
538 		 */
539 		clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
540 				IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
541 	}
542 
543 	ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
544 	if (ret)
545 		return ret;
546 
547 	enable_enet_clk(1);
548 
549 	return 0;
550 }
551 
552 int board_phy_config(struct phy_device *phydev)
553 {
554 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
555 
556 	if (phydev->drv->config)
557 		phydev->drv->config(phydev);
558 
559 	return 0;
560 }
561 #endif
562 
563 #ifdef CONFIG_VIDEO_MXS
564 static iomux_v3_cfg_t const lcd_pads[] = {
565 	MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
566 	MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
567 	MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
568 	MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
569 	MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
570 	MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
571 	MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
572 	MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
573 	MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
574 	MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
575 	MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
576 	MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
577 	MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
578 	MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
579 	MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
580 	MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
581 	MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
582 	MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
583 	MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
584 	MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
585 	MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
586 	MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
587 	MX6_PAD_LCD_DATA18__LCDIF_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
588 	MX6_PAD_LCD_DATA19__LCDIF_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
589 	MX6_PAD_LCD_DATA20__LCDIF_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
590 	MX6_PAD_LCD_DATA21__LCDIF_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
591 	MX6_PAD_LCD_DATA22__LCDIF_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
592 	MX6_PAD_LCD_DATA23__LCDIF_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
593 
594 	/* LCD_RST */
595 	MX6_PAD_SNVS_TAMPER9__GPIO5_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
596 
597 	/* Use GPIO for Brightness adjustment, duty cycle = period. */
598 	MX6_PAD_GPIO1_IO08__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
599 };
600 
601 static int setup_lcd(void)
602 {
603 	enable_lcdif_clock(LCDIF1_BASE_ADDR, 1);
604 
605 	imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
606 
607 	/* Reset the LCD */
608 	gpio_direction_output(IMX_GPIO_NR(5, 9) , 0);
609 	udelay(500);
610 	gpio_direction_output(IMX_GPIO_NR(5, 9) , 1);
611 
612 	/* Set Brightness to high */
613 	gpio_direction_output(IMX_GPIO_NR(1, 8) , 1);
614 
615 	return 0;
616 }
617 #endif
618 
619 int board_early_init_f(void)
620 {
621 	setup_iomux_uart();
622 
623 	return 0;
624 }
625 
626 int board_init(void)
627 {
628 	/* Address of boot parameters */
629 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
630 
631 	imx_iomux_v3_setup_multiple_pads(iox_pads, ARRAY_SIZE(iox_pads));
632 
633 	iox74lv_init();
634 
635 #ifdef CONFIG_SYS_I2C_MXC
636 	setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
637 #endif
638 
639 #ifdef	CONFIG_FEC_MXC
640 	setup_fec(CONFIG_FEC_ENET_DEV);
641 #endif
642 
643 #ifdef CONFIG_USB_EHCI_MX6
644 	setup_usb();
645 #endif
646 
647 #ifdef CONFIG_FSL_QSPI
648 	board_qspi_init();
649 #endif
650 
651 #ifdef CONFIG_VIDEO_MXS
652 	setup_lcd();
653 #endif
654 
655 	return 0;
656 }
657 
658 #ifdef CONFIG_CMD_BMODE
659 static const struct boot_mode board_boot_modes[] = {
660 	/* 4 bit bus width */
661 	{"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
662 	{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
663 	{"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
664 	{NULL,	 0},
665 };
666 #endif
667 
668 int board_late_init(void)
669 {
670 #ifdef CONFIG_CMD_BMODE
671 	add_board_boot_modes(board_boot_modes);
672 #endif
673 
674 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
675 	setenv("board_name", "EVK");
676 
677 	if (is_mx6ul_9x9_evk())
678 		setenv("board_rev", "9X9");
679 	else
680 		setenv("board_rev", "14X14");
681 #endif
682 
683 	return 0;
684 }
685 
686 int checkboard(void)
687 {
688 	if (is_mx6ul_9x9_evk())
689 		puts("Board: MX6UL 9x9 EVK\n");
690 	else
691 		puts("Board: MX6UL 14x14 EVK\n");
692 
693 	return 0;
694 }
695 
696 #ifdef CONFIG_SPL_BUILD
697 #include <libfdt.h>
698 #include <spl.h>
699 #include <asm/arch/mx6-ddr.h>
700 
701 
702 static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = {
703 	.grp_addds = 0x00000030,
704 	.grp_ddrmode_ctl = 0x00020000,
705 	.grp_b0ds = 0x00000030,
706 	.grp_ctlds = 0x00000030,
707 	.grp_b1ds = 0x00000030,
708 	.grp_ddrpke = 0x00000000,
709 	.grp_ddrmode = 0x00020000,
710 #ifdef CONFIG_TARGET_MX6UL_9X9_EVK
711 	.grp_ddr_type = 0x00080000,
712 #else
713 	.grp_ddr_type = 0x000c0000,
714 #endif
715 };
716 
717 #ifdef CONFIG_TARGET_MX6UL_9X9_EVK
718 static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
719 	.dram_dqm0 = 0x00000030,
720 	.dram_dqm1 = 0x00000030,
721 	.dram_ras = 0x00000030,
722 	.dram_cas = 0x00000030,
723 	.dram_odt0 = 0x00000000,
724 	.dram_odt1 = 0x00000000,
725 	.dram_sdba2 = 0x00000000,
726 	.dram_sdclk_0 = 0x00000030,
727 	.dram_sdqs0 = 0x00003030,
728 	.dram_sdqs1 = 0x00003030,
729 	.dram_reset = 0x00000030,
730 };
731 
732 static struct mx6_mmdc_calibration mx6_mmcd_calib = {
733 	.p0_mpwldectrl0 = 0x00000000,
734 	.p0_mpdgctrl0 = 0x20000000,
735 	.p0_mprddlctl = 0x4040484f,
736 	.p0_mpwrdlctl = 0x40405247,
737 	.mpzqlp2ctl = 0x1b4700c7,
738 };
739 
740 static struct mx6_lpddr2_cfg mem_ddr = {
741 	.mem_speed = 800,
742 	.density = 2,
743 	.width = 16,
744 	.banks = 4,
745 	.rowaddr = 14,
746 	.coladdr = 10,
747 	.trcd_lp = 1500,
748 	.trppb_lp = 1500,
749 	.trpab_lp = 2000,
750 	.trasmin = 4250,
751 };
752 
753 struct mx6_ddr_sysinfo ddr_sysinfo = {
754 	.dsize = 0,
755 	.cs_density = 18,
756 	.ncs = 1,
757 	.cs1_mirror = 0,
758 	.walat = 0,
759 	.ralat = 5,
760 	.mif3_mode = 3,
761 	.bi_on = 1,
762 	.rtt_wr = 0,        /* LPDDR2 does not need rtt_wr rtt_nom */
763 	.rtt_nom = 0,
764 	.sde_to_rst = 0,    /* LPDDR2 does not need this field */
765 	.rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
766 	.ddr_type = DDR_TYPE_LPDDR2,
767 	.refsel = 0,	/* Refresh cycles at 64KHz */
768 	.refr = 3,	/* 4 refresh commands per refresh cycle */
769 };
770 
771 #else
772 static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
773 	.dram_dqm0 = 0x00000030,
774 	.dram_dqm1 = 0x00000030,
775 	.dram_ras = 0x00000030,
776 	.dram_cas = 0x00000030,
777 	.dram_odt0 = 0x00000030,
778 	.dram_odt1 = 0x00000030,
779 	.dram_sdba2 = 0x00000000,
780 	.dram_sdclk_0 = 0x00000030,
781 	.dram_sdqs0 = 0x00000030,
782 	.dram_sdqs1 = 0x00000030,
783 	.dram_reset = 0x00000030,
784 };
785 
786 static struct mx6_mmdc_calibration mx6_mmcd_calib = {
787 	.p0_mpwldectrl0 = 0x00000000,
788 	.p0_mpdgctrl0 = 0x41570155,
789 	.p0_mprddlctl = 0x4040474A,
790 	.p0_mpwrdlctl = 0x40405550,
791 };
792 
793 struct mx6_ddr_sysinfo ddr_sysinfo = {
794 	.dsize = 0,
795 	.cs_density = 20,
796 	.ncs = 1,
797 	.cs1_mirror = 0,
798 	.rtt_wr = 2,
799 	.rtt_nom = 1,		/* RTT_Nom = RZQ/2 */
800 	.walat = 0,		/* Write additional latency */
801 	.ralat = 5,		/* Read additional latency */
802 	.mif3_mode = 3,		/* Command prediction working mode */
803 	.bi_on = 1,		/* Bank interleaving enabled */
804 	.sde_to_rst = 0x10,	/* 14 cycles, 200us (JEDEC default) */
805 	.rst_to_cke = 0x23,	/* 33 cycles, 500us (JEDEC default) */
806 	.ddr_type = DDR_TYPE_DDR3,
807 	.refsel = 0,	/* Refresh cycles at 64KHz */
808 	.refr = 1,	/* 2 refresh commands per refresh cycle */
809 };
810 
811 static struct mx6_ddr3_cfg mem_ddr = {
812 	.mem_speed = 800,
813 	.density = 4,
814 	.width = 16,
815 	.banks = 8,
816 	.rowaddr = 15,
817 	.coladdr = 10,
818 	.pagesz = 2,
819 	.trcd = 1375,
820 	.trcmin = 4875,
821 	.trasmin = 3500,
822 };
823 #endif
824 
825 static void ccgr_init(void)
826 {
827 	struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
828 
829 	writel(0xFFFFFFFF, &ccm->CCGR0);
830 	writel(0xFFFFFFFF, &ccm->CCGR1);
831 	writel(0xFFFFFFFF, &ccm->CCGR2);
832 	writel(0xFFFFFFFF, &ccm->CCGR3);
833 	writel(0xFFFFFFFF, &ccm->CCGR4);
834 	writel(0xFFFFFFFF, &ccm->CCGR5);
835 	writel(0xFFFFFFFF, &ccm->CCGR6);
836 	writel(0xFFFFFFFF, &ccm->CCGR7);
837 }
838 
839 static void spl_dram_init(void)
840 {
841 	mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
842 	mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);
843 }
844 
845 void board_init_f(ulong dummy)
846 {
847 	ccgr_init();
848 
849 	/* setup AIPS and disable watchdog */
850 	arch_cpu_init();
851 
852 	/* iomux and setup of i2c */
853 	board_early_init_f();
854 
855 	/* setup GP timer */
856 	timer_init();
857 
858 	/* UART clocks enabled and gd valid - init serial console */
859 	preloader_console_init();
860 
861 	/* DDR initialization */
862 	spl_dram_init();
863 
864 	/* Clear the BSS. */
865 	memset(__bss_start, 0, __bss_end - __bss_start);
866 
867 	/* load/boot image from boot device */
868 	board_init_r(NULL, 0);
869 }
870 #endif
871