1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2016 Timesys Corporation
4  * Copyright 2016 Advantech Corporation
5  * Copyright 2012 Freescale Semiconductor, Inc.
6  */
7 
8 #include <asm/arch/clock.h>
9 #include <asm/arch/imx-regs.h>
10 #include <asm/arch/iomux.h>
11 #include <asm/arch/mx6-pins.h>
12 #include <linux/errno.h>
13 #include <asm/gpio.h>
14 #include <asm/mach-imx/mxc_i2c.h>
15 #include <asm/mach-imx/iomux-v3.h>
16 #include <asm/mach-imx/boot_mode.h>
17 #include <asm/mach-imx/video.h>
18 #include <mmc.h>
19 #include <fsl_esdhc.h>
20 #include <miiphy.h>
21 #include <netdev.h>
22 #include <asm/arch/mxc_hdmi.h>
23 #include <asm/arch/crm_regs.h>
24 #include <asm/io.h>
25 #include <asm/arch/sys_proto.h>
26 #include <i2c.h>
27 #include <input.h>
28 #include <pwm.h>
29 DECLARE_GLOBAL_DATA_PTR;
30 
31 #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP |	\
32 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |	\
33 	PAD_CTL_HYS)
34 
35 #define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
36 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
37 	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
38 
39 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |			\
40 	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |			\
41 	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
42 
43 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE |	\
44 	PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
45 
46 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
47 	PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
48 
49 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
50 	PAD_CTL_SPEED_HIGH   | PAD_CTL_SRE_FAST)
51 
52 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
53 		      PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
54 
55 #define I2C_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
56 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |	\
57 	PAD_CTL_ODE | PAD_CTL_SRE_FAST)
58 
59 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
60 
61 int dram_init(void)
62 {
63 	gd->ram_size = imx_ddr_size();
64 
65 	return 0;
66 }
67 
68 static iomux_v3_cfg_t const uart3_pads[] = {
69 	MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
70 	MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
71 	MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
72 	MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
73 };
74 
75 static iomux_v3_cfg_t const uart4_pads[] = {
76 	MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
77 	MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
78 };
79 
80 static iomux_v3_cfg_t const enet_pads[] = {
81 	MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
82 	MX6_PAD_ENET_MDC__ENET_MDC   | MUX_PAD_CTRL(ENET_PAD_CTRL),
83 	MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
84 	MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
85 	MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
86 	MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
87 	MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
88 	MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
89 	MX6_PAD_ENET_REF_CLK__ENET_TX_CLK  | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
90 	MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
91 	MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
92 	MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
93 	MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
94 	MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
95 	MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
96 	/* AR8033 PHY Reset */
97 	MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
98 };
99 
100 static void setup_iomux_enet(void)
101 {
102 	imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
103 
104 	/* Reset AR8033 PHY */
105 	gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
106 	mdelay(10);
107 	gpio_set_value(IMX_GPIO_NR(1, 28), 1);
108 	mdelay(1);
109 }
110 
111 static iomux_v3_cfg_t const usdhc2_pads[] = {
112 	MX6_PAD_SD2_CLK__SD2_CLK	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
113 	MX6_PAD_SD2_CMD__SD2_CMD	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
114 	MX6_PAD_SD2_DAT0__SD2_DATA0	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
115 	MX6_PAD_SD2_DAT1__SD2_DATA1	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
116 	MX6_PAD_SD2_DAT2__SD2_DATA2	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
117 	MX6_PAD_SD2_DAT3__SD2_DATA3	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
118 	MX6_PAD_GPIO_4__GPIO1_IO04	| MUX_PAD_CTRL(NO_PAD_CTRL),
119 };
120 
121 static iomux_v3_cfg_t const usdhc3_pads[] = {
122 	MX6_PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
123 	MX6_PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
124 	MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
125 	MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
126 	MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
127 	MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
128 	MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
129 	MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
130 	MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
131 	MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
132 	MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
133 };
134 
135 static iomux_v3_cfg_t const usdhc4_pads[] = {
136 	MX6_PAD_SD4_CLK__SD4_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
137 	MX6_PAD_SD4_CMD__SD4_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
138 	MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
139 	MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
140 	MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
141 	MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
142 	MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
143 	MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
144 	MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
145 	MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
146 	MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
147 	MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
148 };
149 
150 static iomux_v3_cfg_t const ecspi1_pads[] = {
151 	MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
152 	MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
153 	MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
154 	MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
155 };
156 
157 static struct i2c_pads_info i2c_pad_info1 = {
158 	.scl = {
159 		.i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
160 		.gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
161 		.gp = IMX_GPIO_NR(5, 27)
162 	},
163 	.sda = {
164 		.i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
165 		.gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
166 		.gp = IMX_GPIO_NR(5, 26)
167 	}
168 };
169 
170 static struct i2c_pads_info i2c_pad_info2 = {
171 	.scl = {
172 		.i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
173 		.gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
174 		.gp = IMX_GPIO_NR(4, 12)
175 	},
176 	.sda = {
177 		.i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
178 		.gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
179 		.gp = IMX_GPIO_NR(4, 13)
180 	}
181 };
182 
183 static struct i2c_pads_info i2c_pad_info3 = {
184 	.scl = {
185 		.i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
186 		.gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
187 		.gp = IMX_GPIO_NR(1, 3)
188 	},
189 	.sda = {
190 		.i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
191 		.gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
192 		.gp = IMX_GPIO_NR(1, 6)
193 	}
194 };
195 
196 #ifdef CONFIG_MXC_SPI
197 int board_spi_cs_gpio(unsigned bus, unsigned cs)
198 {
199 	return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
200 }
201 
202 static void setup_spi(void)
203 {
204 	imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
205 }
206 #endif
207 
208 static iomux_v3_cfg_t const pcie_pads[] = {
209 	MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
210 	MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
211 };
212 
213 static void setup_pcie(void)
214 {
215 	imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
216 }
217 
218 static void setup_iomux_uart(void)
219 {
220 	imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
221 	imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
222 }
223 
224 #ifdef CONFIG_FSL_ESDHC
225 struct fsl_esdhc_cfg usdhc_cfg[3] = {
226 	{USDHC2_BASE_ADDR},
227 	{USDHC3_BASE_ADDR},
228 	{USDHC4_BASE_ADDR},
229 };
230 
231 #define USDHC2_CD_GPIO	IMX_GPIO_NR(1, 4)
232 #define USDHC4_CD_GPIO	IMX_GPIO_NR(6, 11)
233 
234 int board_mmc_getcd(struct mmc *mmc)
235 {
236 	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
237 	int ret = 0;
238 
239 	switch (cfg->esdhc_base) {
240 	case USDHC2_BASE_ADDR:
241 		ret = !gpio_get_value(USDHC2_CD_GPIO);
242 		break;
243 	case USDHC3_BASE_ADDR:
244 		ret = 1; /* eMMC is always present */
245 		break;
246 	case USDHC4_BASE_ADDR:
247 		ret = !gpio_get_value(USDHC4_CD_GPIO);
248 		break;
249 	}
250 
251 	return ret;
252 }
253 
254 int board_mmc_init(bd_t *bis)
255 {
256 	int ret;
257 	int i;
258 
259 	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
260 		switch (i) {
261 		case 0:
262 			imx_iomux_v3_setup_multiple_pads(
263 				usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
264 			gpio_direction_input(USDHC2_CD_GPIO);
265 			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
266 			break;
267 		case 1:
268 			imx_iomux_v3_setup_multiple_pads(
269 				usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
270 			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
271 			break;
272 		case 2:
273 			imx_iomux_v3_setup_multiple_pads(
274 				usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
275 			gpio_direction_input(USDHC4_CD_GPIO);
276 			usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
277 			break;
278 		default:
279 			printf("Warning: you configured more USDHC controllers\n"
280 			       "(%d) then supported by the board (%d)\n",
281 			       i + 1, CONFIG_SYS_FSL_USDHC_NUM);
282 			return -EINVAL;
283 		}
284 
285 		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
286 		if (ret)
287 			return ret;
288 	}
289 
290 	return 0;
291 }
292 #endif
293 
294 static int mx6_rgmii_rework(struct phy_device *phydev)
295 {
296 	/* set device address 0x7 */
297 	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
298 	/* offset 0x8016: CLK_25M Clock Select */
299 	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
300 	/* enable register write, no post increment, address 0x7 */
301 	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
302 	/* set to 125 MHz from local PLL source */
303 	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
304 	/* set debug port address: SerDes Test and System Mode Control */
305 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
306 	/* enable rgmii tx clock delay */
307 	/* set the reserved bits to avoid board specific voltage peak issue*/
308 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
309 
310 	return 0;
311 }
312 
313 int board_phy_config(struct phy_device *phydev)
314 {
315 	mx6_rgmii_rework(phydev);
316 
317 	if (phydev->drv->config)
318 		phydev->drv->config(phydev);
319 
320 	return 0;
321 }
322 
323 #if defined(CONFIG_VIDEO_IPUV3)
324 static iomux_v3_cfg_t const backlight_pads[] = {
325 	/* Power for LVDS Display */
326 	MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
327 #define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
328 	/* Backlight enable for LVDS display */
329 	MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
330 #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
331 	/* backlight PWM brightness control */
332 	MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
333 };
334 
335 static void do_enable_hdmi(struct display_info_t const *dev)
336 {
337 	imx_enable_hdmi_phy();
338 }
339 
340 int board_cfb_skip(void)
341 {
342 	gpio_direction_output(LVDS_POWER_GP, 1);
343 
344 	return 0;
345 }
346 
347 static int detect_baseboard(struct display_info_t const *dev)
348 {
349 	return 0 == dev->addr;
350 }
351 
352 struct display_info_t const displays[] = {{
353 	.bus	= -1,
354 	.addr	= 0,
355 	.pixfmt	= IPU_PIX_FMT_RGB24,
356 	.detect	= detect_baseboard,
357 	.enable	= NULL,
358 	.mode	= {
359 		.name           = "SHARP-LQ156M1LG21",
360 		.refresh        = 60,
361 		.xres           = 1920,
362 		.yres           = 1080,
363 		.pixclock       = 7851,
364 		.left_margin    = 100,
365 		.right_margin   = 40,
366 		.upper_margin   = 30,
367 		.lower_margin   = 3,
368 		.hsync_len      = 10,
369 		.vsync_len      = 2,
370 		.sync           = FB_SYNC_EXT,
371 		.vmode          = FB_VMODE_NONINTERLACED
372 } }, {
373 	.bus	= -1,
374 	.addr	= 3,
375 	.pixfmt	= IPU_PIX_FMT_RGB24,
376 	.detect	= detect_hdmi,
377 	.enable	= do_enable_hdmi,
378 	.mode	= {
379 		.name           = "HDMI",
380 		.refresh        = 60,
381 		.xres           = 1024,
382 		.yres           = 768,
383 		.pixclock       = 15385,
384 		.left_margin    = 220,
385 		.right_margin   = 40,
386 		.upper_margin   = 21,
387 		.lower_margin   = 7,
388 		.hsync_len      = 60,
389 		.vsync_len      = 10,
390 		.sync           = FB_SYNC_EXT,
391 		.vmode          = FB_VMODE_NONINTERLACED
392 } } };
393 size_t display_count = ARRAY_SIZE(displays);
394 
395 static void setup_display(void)
396 {
397 	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
398 	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
399 
400 	clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
401 
402 	imx_setup_hdmi();
403 
404 	/* Set LDB_DI0 as clock source for IPU_DI0 */
405 	clrsetbits_le32(&mxc_ccm->chsccdr,
406 			MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
407 			(CHSCCDR_CLK_SEL_LDB_DI0 <<
408 			 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
409 
410 	/* Turn on IPU LDB DI0 clocks */
411 	setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
412 
413 	enable_ipu_clock();
414 
415 	writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
416 	       IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH |
417 	       IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
418 	       IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
419 	       IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
420 	       IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
421 	       IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
422 	       IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
423 	       IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
424 	       IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
425 	       &iomux->gpr[2]);
426 
427 	clrsetbits_le32(&iomux->gpr[3],
428 			IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
429 			IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
430 			IOMUXC_GPR3_HDMI_MUX_CTL_MASK,
431 		       (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
432 			IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
433 
434 	/* backlights off until needed */
435 	imx_iomux_v3_setup_multiple_pads(backlight_pads,
436 					 ARRAY_SIZE(backlight_pads));
437 
438 	gpio_direction_input(LVDS_POWER_GP);
439 	gpio_direction_input(LVDS_BACKLIGHT_GP);
440 }
441 #endif /* CONFIG_VIDEO_IPUV3 */
442 
443 /*
444  * Do not overwrite the console
445  * Use always serial for U-Boot console
446  */
447 int overwrite_console(void)
448 {
449 	return 1;
450 }
451 
452 int board_eth_init(bd_t *bis)
453 {
454 	setup_iomux_enet();
455 	setup_pcie();
456 
457 	return cpu_eth_init(bis);
458 }
459 
460 static iomux_v3_cfg_t const misc_pads[] = {
461 	MX6_PAD_KEY_ROW2__GPIO4_IO11	| MUX_PAD_CTRL(NO_PAD_CTRL),
462 	MX6_PAD_EIM_A25__GPIO5_IO02	| MUX_PAD_CTRL(NC_PAD_CTRL),
463 	MX6_PAD_EIM_CS0__GPIO2_IO23	| MUX_PAD_CTRL(NC_PAD_CTRL),
464 	MX6_PAD_EIM_CS1__GPIO2_IO24	| MUX_PAD_CTRL(NC_PAD_CTRL),
465 	MX6_PAD_EIM_OE__GPIO2_IO25	| MUX_PAD_CTRL(NC_PAD_CTRL),
466 	MX6_PAD_EIM_BCLK__GPIO6_IO31	| MUX_PAD_CTRL(NC_PAD_CTRL),
467 	MX6_PAD_GPIO_1__GPIO1_IO01	| MUX_PAD_CTRL(NC_PAD_CTRL),
468 };
469 #define SUS_S3_OUT	IMX_GPIO_NR(4, 11)
470 #define WIFI_EN	IMX_GPIO_NR(6, 14)
471 
472 int setup_ba16_sata(void)
473 {
474 	struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
475 	int ret;
476 
477 	ret = enable_sata_clock();
478 	if (ret)
479 		return ret;
480 
481 	clrsetbits_le32(&iomuxc_regs->gpr[13],
482 			IOMUXC_GPR13_SATA_MASK,
483 			IOMUXC_GPR13_SATA_PHY_8_RXEQ_3P0DB
484 			|IOMUXC_GPR13_SATA_PHY_7_SATA2M
485 			|IOMUXC_GPR13_SATA_SPEED_3G
486 			|(1<<IOMUXC_GPR13_SATA_PHY_6_SHIFT)
487 			|IOMUXC_GPR13_SATA_SATA_PHY_5_SS_DISABLED
488 			|IOMUXC_GPR13_SATA_SATA_PHY_4_ATTEN_12_16
489 			|IOMUXC_GPR13_SATA_PHY_3_TXBOOST_3P33_DB
490 			|IOMUXC_GPR13_SATA_PHY_2_TX_1P133V
491 			|IOMUXC_GPR13_SATA_PHY_1_SLOW);
492 
493 	return 0;
494 }
495 
496 int board_early_init_f(void)
497 {
498 	imx_iomux_v3_setup_multiple_pads(misc_pads,
499 					 ARRAY_SIZE(misc_pads));
500 
501 	setup_iomux_uart();
502 
503 #if defined(CONFIG_VIDEO_IPUV3)
504 	/* Set LDB clock to PLL2 PFD0 */
505 	select_ldb_di_clock_source(MXC_PLL2_PFD0_CLK);
506 #endif
507 	return 0;
508 }
509 
510 int board_init(void)
511 {
512 	gpio_direction_output(SUS_S3_OUT, 1);
513 	gpio_direction_output(WIFI_EN, 1);
514 #if defined(CONFIG_VIDEO_IPUV3)
515 	setup_display();
516 #endif
517 	/* address of boot parameters */
518 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
519 
520 #ifdef CONFIG_MXC_SPI
521 	setup_spi();
522 #endif
523 	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
524 	setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
525 	setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
526 
527 	return 0;
528 }
529 
530 #ifdef CONFIG_CMD_BMODE
531 static const struct boot_mode board_boot_modes[] = {
532 	/* 4 bit bus width */
533 	{"sd2",	 MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
534 	{"sd3",	 MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
535 	{NULL,	 0},
536 };
537 #endif
538 
539 void pmic_init(void)
540 {
541 
542 #define DA9063_ADDR 0x58
543 #define BCORE2_CONF 0x9D
544 #define BCORE1_CONF 0x9E
545 #define BPRO_CONF 0x9F
546 #define BIO_CONF 0xA0
547 #define BMEM_CONF 0xA1
548 #define BPERI_CONF 0xA2
549 #define MODE_BIT_H 7
550 #define MODE_BIT_L 6
551 
552         uchar val;
553         i2c_set_bus_num(2);
554 
555         i2c_read(DA9063_ADDR, BCORE2_CONF, 1, &val, 1);
556         val |= (1 << MODE_BIT_H);
557         val &= ~(1 << MODE_BIT_L);
558         i2c_write(DA9063_ADDR, BCORE2_CONF , 1, &val, 1);
559 
560         i2c_read(DA9063_ADDR, BCORE1_CONF, 1, &val, 1);
561         val |= (1 << MODE_BIT_H);
562         val &= ~(1 << MODE_BIT_L);
563         i2c_write(DA9063_ADDR, BCORE1_CONF , 1, &val, 1);
564 
565         i2c_read(DA9063_ADDR, BPRO_CONF, 1, &val, 1);
566         val |= (1 << MODE_BIT_H);
567         val &= ~(1 << MODE_BIT_L);
568         i2c_write(DA9063_ADDR, BPRO_CONF , 1, &val, 1);
569 
570         i2c_read(DA9063_ADDR, BIO_CONF, 1, &val, 1);
571         val |= (1 << MODE_BIT_H);
572         val &= ~(1 << MODE_BIT_L);
573         i2c_write(DA9063_ADDR, BIO_CONF , 1, &val, 1);
574 
575         i2c_read(DA9063_ADDR, BMEM_CONF, 1, &val, 1);
576         val |= (1 << MODE_BIT_H);
577         val &= ~(1 << MODE_BIT_L);
578         i2c_write(DA9063_ADDR, BMEM_CONF , 1, &val, 1);
579 
580         i2c_read(DA9063_ADDR, BPERI_CONF, 1, &val, 1);
581         val |= (1 << MODE_BIT_H);
582         val &= ~(1 << MODE_BIT_L);
583         i2c_write(DA9063_ADDR, BPERI_CONF , 1, &val, 1);
584 
585 }
586 
587 int board_late_init(void)
588 {
589 #ifdef CONFIG_CMD_BMODE
590 	add_board_boot_modes(board_boot_modes);
591 #endif
592 
593 #if defined(CONFIG_VIDEO_IPUV3)
594 	/*
595 	 * We need at least 200ms between power on and backlight on
596 	 * as per specifications from CHI MEI
597 	 */
598 	mdelay(250);
599 
600 	/* enable backlight PWM 1 */
601 	pwm_init(0, 0, 0);
602 
603 	/* duty cycle 5000000ns, period: 5000000ns */
604 	pwm_config(0, 5000000, 5000000);
605 
606 	/* Backlight Power */
607 	gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
608 
609 	pwm_enable(0);
610 #endif
611 
612 #ifdef CONFIG_SATA
613 	setup_ba16_sata();
614 #endif
615 
616         /* board specific pmic init */
617         pmic_init();
618 
619 	return 0;
620 }
621 
622 int checkboard(void)
623 {
624 	printf("BOARD: %s\n", CONFIG_BOARD_NAME);
625 	return 0;
626 }
627