1 /*
2  * Copyright (C) 2012 Freescale Semiconductor, Inc.
3  *
4  * Author: Fabio Estevam <fabio.estevam@freescale.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <asm/arch/clock.h>
10 #include <asm/arch/imx-regs.h>
11 #include <asm/arch/iomux.h>
12 #include <asm/arch/mx6-pins.h>
13 #include <asm/errno.h>
14 #include <asm/gpio.h>
15 #include <asm/imx-common/mxc_i2c.h>
16 #include <asm/imx-common/iomux-v3.h>
17 #include <asm/imx-common/boot_mode.h>
18 #include <asm/imx-common/video.h>
19 #include <mmc.h>
20 #include <fsl_esdhc.h>
21 #include <miiphy.h>
22 #include <netdev.h>
23 #include <asm/arch/mxc_hdmi.h>
24 #include <asm/arch/crm_regs.h>
25 #include <asm/io.h>
26 #include <asm/arch/sys_proto.h>
27 #include <i2c.h>
28 #include <power/pmic.h>
29 #include <power/pfuze100_pmic.h>
30 #include "../common/pfuze.h"
31 #include <asm/arch/mx6-ddr.h>
32 #include <usb.h>
33 
34 DECLARE_GLOBAL_DATA_PTR;
35 
36 #define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
37 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
38 	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
39 
40 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |			\
41 	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |			\
42 	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
43 
44 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
45 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
46 
47 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
48 		      PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
49 
50 #define I2C_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
51 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |	\
52 	PAD_CTL_ODE | PAD_CTL_SRE_FAST)
53 
54 #define I2C_PMIC	1
55 
56 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
57 
58 #define DISP0_PWR_EN	IMX_GPIO_NR(1, 21)
59 
60 int dram_init(void)
61 {
62 	gd->ram_size = imx_ddr_size();
63 	return 0;
64 }
65 
66 static iomux_v3_cfg_t const uart1_pads[] = {
67 	MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
68 	MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
69 };
70 
71 static iomux_v3_cfg_t const enet_pads[] = {
72 	MX6_PAD_ENET_MDIO__ENET_MDIO		| MUX_PAD_CTRL(ENET_PAD_CTRL),
73 	MX6_PAD_ENET_MDC__ENET_MDC		| MUX_PAD_CTRL(ENET_PAD_CTRL),
74 	MX6_PAD_RGMII_TXC__RGMII_TXC	| MUX_PAD_CTRL(ENET_PAD_CTRL),
75 	MX6_PAD_RGMII_TD0__RGMII_TD0	| MUX_PAD_CTRL(ENET_PAD_CTRL),
76 	MX6_PAD_RGMII_TD1__RGMII_TD1	| MUX_PAD_CTRL(ENET_PAD_CTRL),
77 	MX6_PAD_RGMII_TD2__RGMII_TD2	| MUX_PAD_CTRL(ENET_PAD_CTRL),
78 	MX6_PAD_RGMII_TD3__RGMII_TD3	| MUX_PAD_CTRL(ENET_PAD_CTRL),
79 	MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL),
80 	MX6_PAD_ENET_REF_CLK__ENET_TX_CLK	| MUX_PAD_CTRL(ENET_PAD_CTRL),
81 	MX6_PAD_RGMII_RXC__RGMII_RXC	| MUX_PAD_CTRL(ENET_PAD_CTRL),
82 	MX6_PAD_RGMII_RD0__RGMII_RD0	| MUX_PAD_CTRL(ENET_PAD_CTRL),
83 	MX6_PAD_RGMII_RD1__RGMII_RD1	| MUX_PAD_CTRL(ENET_PAD_CTRL),
84 	MX6_PAD_RGMII_RD2__RGMII_RD2	| MUX_PAD_CTRL(ENET_PAD_CTRL),
85 	MX6_PAD_RGMII_RD3__RGMII_RD3	| MUX_PAD_CTRL(ENET_PAD_CTRL),
86 	MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL),
87 	/* AR8031 PHY Reset */
88 	MX6_PAD_ENET_CRS_DV__GPIO1_IO25		| MUX_PAD_CTRL(NO_PAD_CTRL),
89 };
90 
91 static void setup_iomux_enet(void)
92 {
93 	imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
94 
95 	/* Reset AR8031 PHY */
96 	gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
97 	udelay(500);
98 	gpio_set_value(IMX_GPIO_NR(1, 25), 1);
99 }
100 
101 static iomux_v3_cfg_t const usdhc2_pads[] = {
102 	MX6_PAD_SD2_CLK__SD2_CLK	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
103 	MX6_PAD_SD2_CMD__SD2_CMD	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
104 	MX6_PAD_SD2_DAT0__SD2_DATA0	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
105 	MX6_PAD_SD2_DAT1__SD2_DATA1	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
106 	MX6_PAD_SD2_DAT2__SD2_DATA2	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
107 	MX6_PAD_SD2_DAT3__SD2_DATA3	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
108 	MX6_PAD_NANDF_D4__SD2_DATA4	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
109 	MX6_PAD_NANDF_D5__SD2_DATA5	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
110 	MX6_PAD_NANDF_D6__SD2_DATA6	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
111 	MX6_PAD_NANDF_D7__SD2_DATA7	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
112 	MX6_PAD_NANDF_D2__GPIO2_IO02	| MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
113 };
114 
115 static iomux_v3_cfg_t const usdhc3_pads[] = {
116 	MX6_PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
117 	MX6_PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
118 	MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
119 	MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
120 	MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
121 	MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
122 	MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
123 	MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
124 	MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
125 	MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
126 	MX6_PAD_NANDF_D0__GPIO2_IO00    | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
127 };
128 
129 static iomux_v3_cfg_t const usdhc4_pads[] = {
130 	MX6_PAD_SD4_CLK__SD4_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
131 	MX6_PAD_SD4_CMD__SD4_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
132 	MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
133 	MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
134 	MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
135 	MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
136 	MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
137 	MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
138 	MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
139 	MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
140 };
141 
142 static iomux_v3_cfg_t const ecspi1_pads[] = {
143 	MX6_PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
144 	MX6_PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
145 	MX6_PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
146 	MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
147 };
148 
149 static iomux_v3_cfg_t const rgb_pads[] = {
150 	MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL),
151 	MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL),
152 	MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL),
153 	MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL),
154 	MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL),
155 	MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL),
156 	MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL),
157 	MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL),
158 	MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL),
159 	MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL),
160 	MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL),
161 	MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL),
162 	MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL),
163 	MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL),
164 	MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL),
165 	MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL),
166 	MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL),
167 	MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL),
168 	MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL),
169 	MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL),
170 	MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL),
171 	MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL),
172 	MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL),
173 	MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL),
174 	MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL),
175 	MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL),
176 	MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL),
177 	MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL),
178 	MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL),
179 	MX6_PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL),
180 };
181 
182 static void enable_rgb(struct display_info_t const *dev)
183 {
184 	imx_iomux_v3_setup_multiple_pads(rgb_pads, ARRAY_SIZE(rgb_pads));
185 	gpio_direction_output(DISP0_PWR_EN, 1);
186 }
187 
188 static struct i2c_pads_info i2c_pad_info1 = {
189 	.scl = {
190 		.i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
191 		.gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
192 		.gp = IMX_GPIO_NR(4, 12)
193 	},
194 	.sda = {
195 		.i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
196 		.gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
197 		.gp = IMX_GPIO_NR(4, 13)
198 	}
199 };
200 
201 static void setup_spi(void)
202 {
203 	imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
204 }
205 
206 iomux_v3_cfg_t const pcie_pads[] = {
207 	MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),	/* POWER */
208 	MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),	/* RESET */
209 };
210 
211 static void setup_pcie(void)
212 {
213 	imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
214 }
215 
216 iomux_v3_cfg_t const di0_pads[] = {
217 	MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,	/* DISP0_CLK */
218 	MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02,		/* DISP0_HSYNC */
219 	MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03,		/* DISP0_VSYNC */
220 };
221 
222 static void setup_iomux_uart(void)
223 {
224 	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
225 }
226 
227 #ifdef CONFIG_FSL_ESDHC
228 struct fsl_esdhc_cfg usdhc_cfg[3] = {
229 	{USDHC2_BASE_ADDR},
230 	{USDHC3_BASE_ADDR},
231 	{USDHC4_BASE_ADDR},
232 };
233 
234 #define USDHC2_CD_GPIO	IMX_GPIO_NR(2, 2)
235 #define USDHC3_CD_GPIO	IMX_GPIO_NR(2, 0)
236 
237 int board_mmc_getcd(struct mmc *mmc)
238 {
239 	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
240 	int ret = 0;
241 
242 	switch (cfg->esdhc_base) {
243 	case USDHC2_BASE_ADDR:
244 		ret = !gpio_get_value(USDHC2_CD_GPIO);
245 		break;
246 	case USDHC3_BASE_ADDR:
247 		ret = !gpio_get_value(USDHC3_CD_GPIO);
248 		break;
249 	case USDHC4_BASE_ADDR:
250 		ret = 1; /* eMMC/uSDHC4 is always present */
251 		break;
252 	}
253 
254 	return ret;
255 }
256 
257 int board_mmc_init(bd_t *bis)
258 {
259 #ifndef CONFIG_SPL_BUILD
260 	int ret;
261 	int i;
262 
263 	/*
264 	 * According to the board_mmc_init() the following map is done:
265 	 * (U-boot device node)    (Physical Port)
266 	 * mmc0                    SD2
267 	 * mmc1                    SD3
268 	 * mmc2                    eMMC
269 	 */
270 	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
271 		switch (i) {
272 		case 0:
273 			imx_iomux_v3_setup_multiple_pads(
274 				usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
275 			gpio_direction_input(USDHC2_CD_GPIO);
276 			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
277 			break;
278 		case 1:
279 			imx_iomux_v3_setup_multiple_pads(
280 				usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
281 			gpio_direction_input(USDHC3_CD_GPIO);
282 			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
283 			break;
284 		case 2:
285 			imx_iomux_v3_setup_multiple_pads(
286 				usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
287 			usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
288 			break;
289 		default:
290 			printf("Warning: you configured more USDHC controllers"
291 			       "(%d) then supported by the board (%d)\n",
292 			       i + 1, CONFIG_SYS_FSL_USDHC_NUM);
293 			return -EINVAL;
294 		}
295 
296 		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
297 		if (ret)
298 			return ret;
299 	}
300 
301 	return 0;
302 #else
303 	struct src *psrc = (struct src *)SRC_BASE_ADDR;
304 	unsigned reg = readl(&psrc->sbmr1) >> 11;
305 	/*
306 	 * Upon reading BOOT_CFG register the following map is done:
307 	 * Bit 11 and 12 of BOOT_CFG register can determine the current
308 	 * mmc port
309 	 * 0x1                  SD1
310 	 * 0x2                  SD2
311 	 * 0x3                  SD4
312 	 */
313 
314 	switch (reg & 0x3) {
315 	case 0x1:
316 		imx_iomux_v3_setup_multiple_pads(
317 			usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
318 		usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
319 		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
320 		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
321 		break;
322 	case 0x2:
323 		imx_iomux_v3_setup_multiple_pads(
324 			usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
325 		usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
326 		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
327 		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
328 		break;
329 	case 0x3:
330 		imx_iomux_v3_setup_multiple_pads(
331 			usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
332 		usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
333 		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
334 		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
335 		break;
336 	}
337 
338 	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
339 #endif
340 }
341 #endif
342 
343 int mx6_rgmii_rework(struct phy_device *phydev)
344 {
345 	unsigned short val;
346 
347 	/* To enable AR8031 ouput a 125MHz clk from CLK_25M */
348 	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
349 	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
350 	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
351 
352 	val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
353 	val &= 0xffe3;
354 	val |= 0x18;
355 	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
356 
357 	/* introduce tx clock delay */
358 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
359 	val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
360 	val |= 0x0100;
361 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
362 
363 	return 0;
364 }
365 
366 int board_phy_config(struct phy_device *phydev)
367 {
368 	mx6_rgmii_rework(phydev);
369 
370 	if (phydev->drv->config)
371 		phydev->drv->config(phydev);
372 
373 	return 0;
374 }
375 
376 #if defined(CONFIG_VIDEO_IPUV3)
377 static void disable_lvds(struct display_info_t const *dev)
378 {
379 	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
380 
381 	int reg = readl(&iomux->gpr[2]);
382 
383 	reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK |
384 		 IOMUXC_GPR2_LVDS_CH1_MODE_MASK);
385 
386 	writel(reg, &iomux->gpr[2]);
387 }
388 
389 static void do_enable_hdmi(struct display_info_t const *dev)
390 {
391 	disable_lvds(dev);
392 	imx_enable_hdmi_phy();
393 }
394 
395 static void enable_lvds(struct display_info_t const *dev)
396 {
397 	struct iomuxc *iomux = (struct iomuxc *)
398 				IOMUXC_BASE_ADDR;
399 	u32 reg = readl(&iomux->gpr[2]);
400 	reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
401 	       IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT;
402 	writel(reg, &iomux->gpr[2]);
403 }
404 
405 struct display_info_t const displays[] = {{
406 	.bus	= -1,
407 	.addr	= 0,
408 	.pixfmt	= IPU_PIX_FMT_RGB666,
409 	.detect	= NULL,
410 	.enable	= enable_lvds,
411 	.mode	= {
412 		.name           = "Hannstar-XGA",
413 		.refresh        = 60,
414 		.xres           = 1024,
415 		.yres           = 768,
416 		.pixclock       = 15385,
417 		.left_margin    = 220,
418 		.right_margin   = 40,
419 		.upper_margin   = 21,
420 		.lower_margin   = 7,
421 		.hsync_len      = 60,
422 		.vsync_len      = 10,
423 		.sync           = FB_SYNC_EXT,
424 		.vmode          = FB_VMODE_NONINTERLACED
425 } }, {
426 	.bus	= -1,
427 	.addr	= 0,
428 	.pixfmt	= IPU_PIX_FMT_RGB24,
429 	.detect	= detect_hdmi,
430 	.enable	= do_enable_hdmi,
431 	.mode	= {
432 		.name           = "HDMI",
433 		.refresh        = 60,
434 		.xres           = 1024,
435 		.yres           = 768,
436 		.pixclock       = 15385,
437 		.left_margin    = 220,
438 		.right_margin   = 40,
439 		.upper_margin   = 21,
440 		.lower_margin   = 7,
441 		.hsync_len      = 60,
442 		.vsync_len      = 10,
443 		.sync           = FB_SYNC_EXT,
444 		.vmode          = FB_VMODE_NONINTERLACED
445 } }, {
446 	.bus	= 0,
447 	.addr	= 0,
448 	.pixfmt	= IPU_PIX_FMT_RGB24,
449 	.detect	= NULL,
450 	.enable	= enable_rgb,
451 	.mode	= {
452 		.name           = "SEIKO-WVGA",
453 		.refresh        = 60,
454 		.xres           = 800,
455 		.yres           = 480,
456 		.pixclock       = 29850,
457 		.left_margin    = 89,
458 		.right_margin   = 164,
459 		.upper_margin   = 23,
460 		.lower_margin   = 10,
461 		.hsync_len      = 10,
462 		.vsync_len      = 10,
463 		.sync           = 0,
464 		.vmode          = FB_VMODE_NONINTERLACED
465 } } };
466 size_t display_count = ARRAY_SIZE(displays);
467 
468 static void setup_display(void)
469 {
470 	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
471 	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
472 	int reg;
473 
474 	/* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */
475 	imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(di0_pads));
476 
477 	enable_ipu_clock();
478 	imx_setup_hdmi();
479 
480 	/* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */
481 	reg = readl(&mxc_ccm->CCGR3);
482 	reg |=  MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK;
483 	writel(reg, &mxc_ccm->CCGR3);
484 
485 	/* set LDB0, LDB1 clk select to 011/011 */
486 	reg = readl(&mxc_ccm->cs2cdr);
487 	reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
488 		 | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
489 	reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
490 	      | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
491 	writel(reg, &mxc_ccm->cs2cdr);
492 
493 	reg = readl(&mxc_ccm->cscmr2);
494 	reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV;
495 	writel(reg, &mxc_ccm->cscmr2);
496 
497 	reg = readl(&mxc_ccm->chsccdr);
498 	reg |= (CHSCCDR_CLK_SEL_LDB_DI0
499 		<< MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
500 	reg |= (CHSCCDR_CLK_SEL_LDB_DI0
501 		<< MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET);
502 	writel(reg, &mxc_ccm->chsccdr);
503 
504 	reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
505 	     | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW
506 	     | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
507 	     | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
508 	     | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
509 	     | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
510 	     | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
511 	     | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED
512 	     | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0;
513 	writel(reg, &iomux->gpr[2]);
514 
515 	reg = readl(&iomux->gpr[3]);
516 	reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK
517 			| IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
518 	    | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
519 	       << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET);
520 	writel(reg, &iomux->gpr[3]);
521 }
522 #endif /* CONFIG_VIDEO_IPUV3 */
523 
524 /*
525  * Do not overwrite the console
526  * Use always serial for U-Boot console
527  */
528 int overwrite_console(void)
529 {
530 	return 1;
531 }
532 
533 int board_eth_init(bd_t *bis)
534 {
535 	setup_iomux_enet();
536 	setup_pcie();
537 
538 	return cpu_eth_init(bis);
539 }
540 
541 #ifdef CONFIG_USB_EHCI_MX6
542 #define USB_OTHERREGS_OFFSET	0x800
543 #define UCTRL_PWR_POL		(1 << 9)
544 
545 static iomux_v3_cfg_t const usb_otg_pads[] = {
546 	MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
547 	MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
548 };
549 
550 static iomux_v3_cfg_t const usb_hc1_pads[] = {
551 	MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
552 };
553 
554 static void setup_usb(void)
555 {
556 	imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
557 					 ARRAY_SIZE(usb_otg_pads));
558 
559 	/*
560 	 * set daisy chain for otg_pin_id on 6q.
561 	 * for 6dl, this bit is reserved
562 	 */
563 	imx_iomux_set_gpr_register(1, 13, 1, 0);
564 
565 	imx_iomux_v3_setup_multiple_pads(usb_hc1_pads,
566 					 ARRAY_SIZE(usb_hc1_pads));
567 }
568 
569 int board_ehci_hcd_init(int port)
570 {
571 	u32 *usbnc_usb_ctrl;
572 
573 	if (port > 1)
574 		return -EINVAL;
575 
576 	usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
577 				 port * 4);
578 
579 	setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
580 
581 	return 0;
582 }
583 
584 int board_ehci_power(int port, int on)
585 {
586 	switch (port) {
587 	case 0:
588 		break;
589 	case 1:
590 		if (on)
591 			gpio_direction_output(IMX_GPIO_NR(1, 29), 1);
592 		else
593 			gpio_direction_output(IMX_GPIO_NR(1, 29), 0);
594 		break;
595 	default:
596 		printf("MXC USB port %d not yet supported\n", port);
597 		return -EINVAL;
598 	}
599 
600 	return 0;
601 }
602 #endif
603 
604 int board_early_init_f(void)
605 {
606 	setup_iomux_uart();
607 #if defined(CONFIG_VIDEO_IPUV3)
608 	setup_display();
609 #endif
610 
611 	return 0;
612 }
613 
614 int board_init(void)
615 {
616 	/* address of boot parameters */
617 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
618 
619 #ifdef CONFIG_MXC_SPI
620 	setup_spi();
621 #endif
622 	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
623 
624 #ifdef CONFIG_USB_EHCI_MX6
625 	setup_usb();
626 #endif
627 
628 	return 0;
629 }
630 
631 int power_init_board(void)
632 {
633 	struct pmic *p;
634 	unsigned int reg;
635 	int ret;
636 
637 	p = pfuze_common_init(I2C_PMIC);
638 	if (!p)
639 		return -ENODEV;
640 
641 	ret = pfuze_mode_init(p, APS_PFM);
642 	if (ret < 0)
643 		return ret;
644 
645 	/* Increase VGEN3 from 2.5 to 2.8V */
646 	pmic_reg_read(p, PFUZE100_VGEN3VOL, &reg);
647 	reg &= ~LDO_VOL_MASK;
648 	reg |= LDOB_2_80V;
649 	pmic_reg_write(p, PFUZE100_VGEN3VOL, reg);
650 
651 	/* Increase VGEN5 from 2.8 to 3V */
652 	pmic_reg_read(p, PFUZE100_VGEN5VOL, &reg);
653 	reg &= ~LDO_VOL_MASK;
654 	reg |= LDOB_3_00V;
655 	pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);
656 
657 	return 0;
658 }
659 
660 #ifdef CONFIG_MXC_SPI
661 int board_spi_cs_gpio(unsigned bus, unsigned cs)
662 {
663 	return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1;
664 }
665 #endif
666 
667 #ifdef CONFIG_CMD_BMODE
668 static const struct boot_mode board_boot_modes[] = {
669 	/* 4 bit bus width */
670 	{"sd2",	 MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
671 	{"sd3",	 MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
672 	/* 8 bit bus width */
673 	{"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
674 	{NULL,	 0},
675 };
676 #endif
677 
678 int board_late_init(void)
679 {
680 #ifdef CONFIG_CMD_BMODE
681 	add_board_boot_modes(board_boot_modes);
682 #endif
683 
684 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
685 	setenv("board_name", "SABRESD");
686 
687 	if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
688 		setenv("board_rev", "MX6Q");
689 	else if (is_cpu_type(MXC_CPU_MX6DL) || is_cpu_type(MXC_CPU_MX6SOLO))
690 		setenv("board_rev", "MX6DL");
691 #endif
692 
693 	return 0;
694 }
695 
696 int checkboard(void)
697 {
698 	puts("Board: MX6-SabreSD\n");
699 	return 0;
700 }
701 
702 #ifdef CONFIG_SPL_BUILD
703 #include <spl.h>
704 #include <libfdt.h>
705 
706 const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = {
707 	.dram_sdclk_0 =  0x00020030,
708 	.dram_sdclk_1 =  0x00020030,
709 	.dram_cas =  0x00020030,
710 	.dram_ras =  0x00020030,
711 	.dram_reset =  0x00020030,
712 	.dram_sdcke0 =  0x00003000,
713 	.dram_sdcke1 =  0x00003000,
714 	.dram_sdba2 =  0x00000000,
715 	.dram_sdodt0 =  0x00003030,
716 	.dram_sdodt1 =  0x00003030,
717 	.dram_sdqs0 =  0x00000030,
718 	.dram_sdqs1 =  0x00000030,
719 	.dram_sdqs2 =  0x00000030,
720 	.dram_sdqs3 =  0x00000030,
721 	.dram_sdqs4 =  0x00000030,
722 	.dram_sdqs5 =  0x00000030,
723 	.dram_sdqs6 =  0x00000030,
724 	.dram_sdqs7 =  0x00000030,
725 	.dram_dqm0 =  0x00020030,
726 	.dram_dqm1 =  0x00020030,
727 	.dram_dqm2 =  0x00020030,
728 	.dram_dqm3 =  0x00020030,
729 	.dram_dqm4 =  0x00020030,
730 	.dram_dqm5 =  0x00020030,
731 	.dram_dqm6 =  0x00020030,
732 	.dram_dqm7 =  0x00020030,
733 };
734 
735 const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = {
736 	.grp_ddr_type =  0x000C0000,
737 	.grp_ddrmode_ctl =  0x00020000,
738 	.grp_ddrpke =  0x00000000,
739 	.grp_addds =  0x00000030,
740 	.grp_ctlds =  0x00000030,
741 	.grp_ddrmode =  0x00020000,
742 	.grp_b0ds =  0x00000030,
743 	.grp_b1ds =  0x00000030,
744 	.grp_b2ds =  0x00000030,
745 	.grp_b3ds =  0x00000030,
746 	.grp_b4ds =  0x00000030,
747 	.grp_b5ds =  0x00000030,
748 	.grp_b6ds =  0x00000030,
749 	.grp_b7ds =  0x00000030,
750 };
751 
752 const struct mx6_mmdc_calibration mx6_mmcd_calib = {
753 	.p0_mpwldectrl0 =  0x001F001F,
754 	.p0_mpwldectrl1 =  0x001F001F,
755 	.p1_mpwldectrl0 =  0x00440044,
756 	.p1_mpwldectrl1 =  0x00440044,
757 	.p0_mpdgctrl0 =  0x434B0350,
758 	.p0_mpdgctrl1 =  0x034C0359,
759 	.p1_mpdgctrl0 =  0x434B0350,
760 	.p1_mpdgctrl1 =  0x03650348,
761 	.p0_mprddlctl =  0x4436383B,
762 	.p1_mprddlctl =  0x39393341,
763 	.p0_mpwrdlctl =  0x35373933,
764 	.p1_mpwrdlctl =  0x48254A36,
765 };
766 
767 /* MT41K128M16JT-125 */
768 static struct mx6_ddr3_cfg mem_ddr = {
769 	.mem_speed = 1600,
770 	.density = 2,
771 	.width = 16,
772 	.banks = 8,
773 	.rowaddr = 14,
774 	.coladdr = 10,
775 	.pagesz = 2,
776 	.trcd = 1375,
777 	.trcmin = 4875,
778 	.trasmin = 3500,
779 };
780 
781 static void ccgr_init(void)
782 {
783 	struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
784 
785 	writel(0x00C03F3F, &ccm->CCGR0);
786 	writel(0x0030FC03, &ccm->CCGR1);
787 	writel(0x0FFFC000, &ccm->CCGR2);
788 	writel(0x3FF00000, &ccm->CCGR3);
789 	writel(0x00FFF300, &ccm->CCGR4);
790 	writel(0x0F0000C3, &ccm->CCGR5);
791 	writel(0x000003FF, &ccm->CCGR6);
792 }
793 
794 static void gpr_init(void)
795 {
796 	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
797 
798 	/* enable AXI cache for VDOA/VPU/IPU */
799 	writel(0xF00000CF, &iomux->gpr[4]);
800 	/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
801 	writel(0x007F007F, &iomux->gpr[6]);
802 	writel(0x007F007F, &iomux->gpr[7]);
803 }
804 
805 /*
806  * This section requires the differentiation between iMX6 Sabre boards, but
807  * for now, it will configure only for the mx6q variant.
808  */
809 static void spl_dram_init(void)
810 {
811 	struct mx6_ddr_sysinfo sysinfo = {
812 		/* width of data bus:0=16,1=32,2=64 */
813 		.dsize = 2,
814 		/* config for full 4GB range so that get_mem_size() works */
815 		.cs_density = 32, /* 32Gb per CS */
816 		/* single chip select */
817 		.ncs = 1,
818 		.cs1_mirror = 0,
819 		.rtt_wr = 1 /*DDR3_RTT_60_OHM*/,	/* RTT_Wr = RZQ/4 */
820 		.rtt_nom = 1 /*DDR3_RTT_60_OHM*/,	/* RTT_Nom = RZQ/4 */
821 		.walat = 1,	/* Write additional latency */
822 		.ralat = 5,	/* Read additional latency */
823 		.mif3_mode = 3,	/* Command prediction working mode */
824 		.bi_on = 1,	/* Bank interleaving enabled */
825 		.sde_to_rst = 0x10,	/* 14 cycles, 200us (JEDEC default) */
826 		.rst_to_cke = 0x23,	/* 33 cycles, 500us (JEDEC default) */
827 		.ddr_type = DDR_TYPE_DDR3,
828 	};
829 
830 	mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs);
831 	mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
832 }
833 
834 void board_init_f(ulong dummy)
835 {
836 	/* setup AIPS and disable watchdog */
837 	arch_cpu_init();
838 
839 	ccgr_init();
840 	gpr_init();
841 
842 	/* iomux and setup of i2c */
843 	board_early_init_f();
844 
845 	/* setup GP timer */
846 	timer_init();
847 
848 	/* UART clocks enabled and gd valid - init serial console */
849 	preloader_console_init();
850 
851 	/* DDR initialization */
852 	spl_dram_init();
853 
854 	/* Clear the BSS. */
855 	memset(__bss_start, 0, __bss_end - __bss_start);
856 
857 	/* load/boot image from boot device */
858 	board_init_r(NULL, 0);
859 }
860 
861 void reset_cpu(ulong addr)
862 {
863 }
864 #endif
865