1 /*
2  * Copyright (C) 2011 Freescale Semiconductor, Inc.
3  * Jason Liu <r64343@freescale.com>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 #include <common.h>
25 #include <asm/io.h>
26 #include <asm/arch/imx-regs.h>
27 #include <asm/arch/mx5x_pins.h>
28 #include <asm/arch/sys_proto.h>
29 #include <asm/arch/crm_regs.h>
30 #include <asm/arch/clock.h>
31 #include <asm/arch/iomux.h>
32 #include <asm/arch/clock.h>
33 #include <asm/errno.h>
34 #include <netdev.h>
35 #include <i2c.h>
36 #include <mmc.h>
37 #include <fsl_esdhc.h>
38 #include <asm/gpio.h>
39 #include <pmic.h>
40 #include <dialog_pmic.h>
41 #include <fsl_pmic.h>
42 #include <linux/fb.h>
43 #include <ipu_pixfmt.h>
44 
45 #define MX53LOCO_LCD_POWER		IMX_GPIO_NR(3, 24)
46 
47 DECLARE_GLOBAL_DATA_PTR;
48 
49 int dram_init(void)
50 {
51 	u32 size1, size2;
52 
53 	size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
54 	size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
55 
56 	gd->ram_size = size1 + size2;
57 
58 	return 0;
59 }
60 void dram_init_banksize(void)
61 {
62 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
63 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
64 
65 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
66 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
67 }
68 
69 u32 get_board_rev(void)
70 {
71 	struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
72 	struct fuse_bank *bank = &iim->bank[0];
73 	struct fuse_bank0_regs *fuse =
74 		(struct fuse_bank0_regs *)bank->fuse_regs;
75 
76 	int rev = readl(&fuse->gp[6]);
77 
78 	if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR))
79 		rev = 0;
80 
81 	return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
82 }
83 
84 static void setup_iomux_uart(void)
85 {
86 	/* UART1 RXD */
87 	mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_ALT2);
88 	mxc_iomux_set_pad(MX53_PIN_CSI0_D11,
89 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
90 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
91 				PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
92 				PAD_CTL_ODE_OPENDRAIN_ENABLE);
93 	mxc_iomux_set_input(MX53_UART1_IPP_UART_RXD_MUX_SELECT_INPUT, 0x1);
94 
95 	/* UART1 TXD */
96 	mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT2);
97 	mxc_iomux_set_pad(MX53_PIN_CSI0_D10,
98 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
99 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
100 				PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
101 				PAD_CTL_ODE_OPENDRAIN_ENABLE);
102 }
103 
104 #ifdef CONFIG_USB_EHCI_MX5
105 int board_ehci_hcd_init(int port)
106 {
107 	/* request VBUS power enable pin, GPIO7_8 */
108 	mxc_request_iomux(MX53_PIN_ATA_DA_2, IOMUX_CONFIG_ALT1);
109 	gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 1);
110 	return 0;
111 }
112 #endif
113 
114 static void setup_iomux_fec(void)
115 {
116 	/*FEC_MDIO*/
117 	mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
118 	mxc_iomux_set_pad(MX53_PIN_FEC_MDIO,
119 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
120 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
121 				PAD_CTL_22K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
122 	mxc_iomux_set_input(MX53_FEC_FEC_MDI_SELECT_INPUT, 0x1);
123 
124 	/*FEC_MDC*/
125 	mxc_request_iomux(MX53_PIN_FEC_MDC, IOMUX_CONFIG_ALT0);
126 	mxc_iomux_set_pad(MX53_PIN_FEC_MDC, PAD_CTL_DRV_HIGH);
127 
128 	/* FEC RXD1 */
129 	mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
130 	mxc_iomux_set_pad(MX53_PIN_FEC_RXD1,
131 			PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
132 
133 	/* FEC RXD0 */
134 	mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
135 	mxc_iomux_set_pad(MX53_PIN_FEC_RXD0,
136 			PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
137 
138 	 /* FEC TXD1 */
139 	mxc_request_iomux(MX53_PIN_FEC_TXD1, IOMUX_CONFIG_ALT0);
140 	mxc_iomux_set_pad(MX53_PIN_FEC_TXD1, PAD_CTL_DRV_HIGH);
141 
142 	/* FEC TXD0 */
143 	mxc_request_iomux(MX53_PIN_FEC_TXD0, IOMUX_CONFIG_ALT0);
144 	mxc_iomux_set_pad(MX53_PIN_FEC_TXD0, PAD_CTL_DRV_HIGH);
145 
146 	/* FEC TX_EN */
147 	mxc_request_iomux(MX53_PIN_FEC_TX_EN, IOMUX_CONFIG_ALT0);
148 	mxc_iomux_set_pad(MX53_PIN_FEC_TX_EN, PAD_CTL_DRV_HIGH);
149 
150 	/* FEC TX_CLK */
151 	mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
152 	mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK,
153 			PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
154 
155 	/* FEC RX_ER */
156 	mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
157 	mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER,
158 			PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
159 
160 	/* FEC CRS */
161 	mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
162 	mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV,
163 			PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
164 }
165 
166 #ifdef CONFIG_FSL_ESDHC
167 struct fsl_esdhc_cfg esdhc_cfg[2] = {
168 	{MMC_SDHC1_BASE_ADDR},
169 	{MMC_SDHC3_BASE_ADDR},
170 };
171 
172 int board_mmc_getcd(struct mmc *mmc)
173 {
174 	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
175 	int ret;
176 
177 	mxc_request_iomux(MX53_PIN_EIM_DA11, IOMUX_CONFIG_ALT1);
178 	gpio_direction_input(IMX_GPIO_NR(3, 11));
179 	mxc_request_iomux(MX53_PIN_EIM_DA13, IOMUX_CONFIG_ALT1);
180 	gpio_direction_input(IMX_GPIO_NR(3, 13));
181 
182 	if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
183 		ret = !gpio_get_value(IMX_GPIO_NR(3, 13));
184 	else
185 		ret = !gpio_get_value(IMX_GPIO_NR(3, 11));
186 
187 	return ret;
188 }
189 
190 int board_mmc_init(bd_t *bis)
191 {
192 	u32 index;
193 	s32 status = 0;
194 
195 	esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
196 	esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
197 
198 	for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
199 		switch (index) {
200 		case 0:
201 			mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0);
202 			mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0);
203 			mxc_request_iomux(MX53_PIN_SD1_DATA0,
204 						IOMUX_CONFIG_ALT0);
205 			mxc_request_iomux(MX53_PIN_SD1_DATA1,
206 						IOMUX_CONFIG_ALT0);
207 			mxc_request_iomux(MX53_PIN_SD1_DATA2,
208 						IOMUX_CONFIG_ALT0);
209 			mxc_request_iomux(MX53_PIN_SD1_DATA3,
210 						IOMUX_CONFIG_ALT0);
211 			mxc_request_iomux(MX53_PIN_EIM_DA13,
212 						IOMUX_CONFIG_ALT1);
213 
214 			mxc_iomux_set_pad(MX53_PIN_SD1_CMD,
215 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
216 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
217 				PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
218 			mxc_iomux_set_pad(MX53_PIN_SD1_CLK,
219 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
220 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
221 				PAD_CTL_DRV_HIGH);
222 			mxc_iomux_set_pad(MX53_PIN_SD1_DATA0,
223 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
224 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
225 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
226 			mxc_iomux_set_pad(MX53_PIN_SD1_DATA1,
227 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
228 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
229 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
230 			mxc_iomux_set_pad(MX53_PIN_SD1_DATA2,
231 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
232 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
233 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
234 			mxc_iomux_set_pad(MX53_PIN_SD1_DATA3,
235 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
236 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
237 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
238 			break;
239 		case 1:
240 			mxc_request_iomux(MX53_PIN_ATA_RESET_B,
241 						IOMUX_CONFIG_ALT2);
242 			mxc_request_iomux(MX53_PIN_ATA_IORDY,
243 						IOMUX_CONFIG_ALT2);
244 			mxc_request_iomux(MX53_PIN_ATA_DATA8,
245 						IOMUX_CONFIG_ALT4);
246 			mxc_request_iomux(MX53_PIN_ATA_DATA9,
247 						IOMUX_CONFIG_ALT4);
248 			mxc_request_iomux(MX53_PIN_ATA_DATA10,
249 						IOMUX_CONFIG_ALT4);
250 			mxc_request_iomux(MX53_PIN_ATA_DATA11,
251 						IOMUX_CONFIG_ALT4);
252 			mxc_request_iomux(MX53_PIN_ATA_DATA0,
253 						IOMUX_CONFIG_ALT4);
254 			mxc_request_iomux(MX53_PIN_ATA_DATA1,
255 						IOMUX_CONFIG_ALT4);
256 			mxc_request_iomux(MX53_PIN_ATA_DATA2,
257 						IOMUX_CONFIG_ALT4);
258 			mxc_request_iomux(MX53_PIN_ATA_DATA3,
259 						IOMUX_CONFIG_ALT4);
260 			mxc_request_iomux(MX53_PIN_EIM_DA11,
261 						IOMUX_CONFIG_ALT1);
262 
263 			mxc_iomux_set_pad(MX53_PIN_ATA_RESET_B,
264 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
265 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
266 				PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
267 			mxc_iomux_set_pad(MX53_PIN_ATA_IORDY,
268 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
269 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
270 				PAD_CTL_DRV_HIGH);
271 			mxc_iomux_set_pad(MX53_PIN_ATA_DATA8,
272 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
273 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
274 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
275 			mxc_iomux_set_pad(MX53_PIN_ATA_DATA9,
276 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
277 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
278 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
279 			mxc_iomux_set_pad(MX53_PIN_ATA_DATA10,
280 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
281 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
282 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
283 			mxc_iomux_set_pad(MX53_PIN_ATA_DATA11,
284 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
285 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
286 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
287 			mxc_iomux_set_pad(MX53_PIN_ATA_DATA0,
288 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
289 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
290 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
291 			mxc_iomux_set_pad(MX53_PIN_ATA_DATA1,
292 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
293 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
294 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
295 			mxc_iomux_set_pad(MX53_PIN_ATA_DATA2,
296 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
297 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
298 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
299 			mxc_iomux_set_pad(MX53_PIN_ATA_DATA3,
300 				PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
301 				PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
302 				PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
303 
304 			break;
305 		default:
306 			printf("Warning: you configured more ESDHC controller"
307 				"(%d) as supported by the board(2)\n",
308 				CONFIG_SYS_FSL_ESDHC_NUM);
309 			return status;
310 		}
311 		status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
312 	}
313 
314 	return status;
315 }
316 #endif
317 
318 static void setup_iomux_i2c(void)
319 {
320 	/* I2C1 SDA */
321 	mxc_request_iomux(MX53_PIN_CSI0_D8,
322 		IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
323 	mxc_iomux_set_input(MX53_I2C1_IPP_SDA_IN_SELECT_INPUT,
324 		INPUT_CTL_PATH0);
325 	mxc_iomux_set_pad(MX53_PIN_CSI0_D8,
326 		PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
327 		PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE |
328 		PAD_CTL_PUE_PULL |
329 		PAD_CTL_ODE_OPENDRAIN_ENABLE);
330 	/* I2C1 SCL */
331 	mxc_request_iomux(MX53_PIN_CSI0_D9,
332 		IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
333 	mxc_iomux_set_input(MX53_I2C1_IPP_SCL_IN_SELECT_INPUT,
334 		INPUT_CTL_PATH0);
335 	mxc_iomux_set_pad(MX53_PIN_CSI0_D9,
336 		PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
337 		PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE |
338 		PAD_CTL_PUE_PULL |
339 		PAD_CTL_ODE_OPENDRAIN_ENABLE);
340 }
341 
342 static int power_init(void)
343 {
344 	unsigned int val;
345 	int ret = -1;
346 	struct pmic *p;
347 
348 	if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) {
349 		pmic_dialog_init();
350 		p = get_pmic();
351 
352 		/* Set VDDA to 1.25V */
353 		val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
354 		ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
355 
356 		ret |= pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
357 		val |= DA9052_SUPPLY_VBCOREGO;
358 		ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, val);
359 
360 		/* Set Vcc peripheral to 1.30V */
361 		ret |= pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
362 		ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
363 	}
364 
365 	if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) {
366 		pmic_init();
367 		p = get_pmic();
368 
369 		/* Set VDDGP to 1.25V for 1GHz on SW1 */
370 		pmic_reg_read(p, REG_SW_0, &val);
371 		val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
372 		ret = pmic_reg_write(p, REG_SW_0, val);
373 
374 		/* Set VCC as 1.30V on SW2 */
375 		pmic_reg_read(p, REG_SW_1, &val);
376 		val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708;
377 		ret |= pmic_reg_write(p, REG_SW_1, val);
378 
379 		/* Set global reset timer to 4s */
380 		pmic_reg_read(p, REG_POWER_CTL2, &val);
381 		val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708;
382 		ret |= pmic_reg_write(p, REG_POWER_CTL2, val);
383 
384 		/* Set VUSBSEL and VUSBEN for USB PHY supply*/
385 		pmic_reg_read(p, REG_MODE_0, &val);
386 		val |= (VUSBSEL_MC34708 | VUSBEN_MC34708);
387 		ret |= pmic_reg_write(p, REG_MODE_0, val);
388 
389 		/* Set SWBST to 5V in auto mode */
390 		val = SWBST_AUTO;
391 		ret |= pmic_reg_write(p, SWBST_CTRL, val);
392 	}
393 
394 	return ret;
395 }
396 
397 static void clock_1GHz(void)
398 {
399 	int ret;
400 	u32 ref_clk = MXC_HCLK;
401 	/*
402 	 * After increasing voltage to 1.25V, we can switch
403 	 * CPU clock to 1GHz and DDR to 400MHz safely
404 	 */
405 	ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
406 	if (ret)
407 		printf("CPU:   Switch CPU clock to 1GHZ failed\n");
408 
409 	ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
410 	ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
411 	if (ret)
412 		printf("CPU:   Switch DDR clock to 400MHz failed\n");
413 }
414 
415 static struct fb_videomode const claa_wvga = {
416 	.name		= "CLAA07LC0ACW",
417 	.refresh	= 57,
418 	.xres		= 800,
419 	.yres		= 480,
420 	.pixclock	= 37037,
421 	.left_margin	= 40,
422 	.right_margin	= 60,
423 	.upper_margin	= 10,
424 	.lower_margin	= 10,
425 	.hsync_len	= 20,
426 	.vsync_len	= 10,
427 	.sync		= 0,
428 	.vmode		= FB_VMODE_NONINTERLACED
429 };
430 
431 void lcd_iomux(void)
432 {
433 	mxc_request_iomux(MX53_PIN_DI0_DISP_CLK, IOMUX_CONFIG_ALT0);
434 	mxc_request_iomux(MX53_PIN_DI0_PIN15, IOMUX_CONFIG_ALT0);
435 	mxc_request_iomux(MX53_PIN_DI0_PIN2, IOMUX_CONFIG_ALT0);
436 	mxc_request_iomux(MX53_PIN_DI0_PIN3, IOMUX_CONFIG_ALT0);
437 	mxc_request_iomux(MX53_PIN_DISP0_DAT0, IOMUX_CONFIG_ALT0);
438 	mxc_request_iomux(MX53_PIN_DISP0_DAT1, IOMUX_CONFIG_ALT0);
439 	mxc_request_iomux(MX53_PIN_DISP0_DAT2, IOMUX_CONFIG_ALT0);
440 	mxc_request_iomux(MX53_PIN_DISP0_DAT3, IOMUX_CONFIG_ALT0);
441 	mxc_request_iomux(MX53_PIN_DISP0_DAT4, IOMUX_CONFIG_ALT0);
442 	mxc_request_iomux(MX53_PIN_DISP0_DAT5, IOMUX_CONFIG_ALT0);
443 	mxc_request_iomux(MX53_PIN_DISP0_DAT6, IOMUX_CONFIG_ALT0);
444 	mxc_request_iomux(MX53_PIN_DISP0_DAT7, IOMUX_CONFIG_ALT0);
445 	mxc_request_iomux(MX53_PIN_DISP0_DAT8, IOMUX_CONFIG_ALT0);
446 	mxc_request_iomux(MX53_PIN_DISP0_DAT9, IOMUX_CONFIG_ALT0);
447 	mxc_request_iomux(MX53_PIN_DISP0_DAT10, IOMUX_CONFIG_ALT0);
448 	mxc_request_iomux(MX53_PIN_DISP0_DAT11, IOMUX_CONFIG_ALT0);
449 	mxc_request_iomux(MX53_PIN_DISP0_DAT12, IOMUX_CONFIG_ALT0);
450 	mxc_request_iomux(MX53_PIN_DISP0_DAT13, IOMUX_CONFIG_ALT0);
451 	mxc_request_iomux(MX53_PIN_DISP0_DAT14, IOMUX_CONFIG_ALT0);
452 	mxc_request_iomux(MX53_PIN_DISP0_DAT15, IOMUX_CONFIG_ALT0);
453 	mxc_request_iomux(MX53_PIN_DISP0_DAT16, IOMUX_CONFIG_ALT0);
454 	mxc_request_iomux(MX53_PIN_DISP0_DAT17, IOMUX_CONFIG_ALT0);
455 	mxc_request_iomux(MX53_PIN_DISP0_DAT18, IOMUX_CONFIG_ALT0);
456 	mxc_request_iomux(MX53_PIN_DISP0_DAT19, IOMUX_CONFIG_ALT0);
457 	mxc_request_iomux(MX53_PIN_DISP0_DAT20, IOMUX_CONFIG_ALT0);
458 	mxc_request_iomux(MX53_PIN_DISP0_DAT21, IOMUX_CONFIG_ALT0);
459 	mxc_request_iomux(MX53_PIN_DISP0_DAT22, IOMUX_CONFIG_ALT0);
460 	mxc_request_iomux(MX53_PIN_DISP0_DAT23, IOMUX_CONFIG_ALT0);
461 
462 	/* Turn on GPIO backlight */
463 	mxc_request_iomux(MX53_PIN_EIM_D24, IOMUX_CONFIG_ALT1);
464 	gpio_direction_output(MX53LOCO_LCD_POWER, 1);
465 
466 	/* Turn on display contrast */
467 	mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
468 	gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_1), 1);
469 }
470 
471 void lcd_enable(void)
472 {
473 	int ret = ipuv3_fb_init(&claa_wvga, 0, IPU_PIX_FMT_RGB565);
474 	if (ret)
475 		printf("LCD cannot be configured: %d\n", ret);
476 }
477 
478 int board_early_init_f(void)
479 {
480 	setup_iomux_uart();
481 	setup_iomux_fec();
482 	lcd_iomux();
483 
484 	return 0;
485 }
486 
487 int print_cpuinfo(void)
488 {
489 	u32 cpurev;
490 
491 	cpurev = get_cpu_rev();
492 	printf("CPU:   Freescale i.MX%x family rev%d.%d at %d MHz\n",
493 		(cpurev & 0xFF000) >> 12,
494 		(cpurev & 0x000F0) >> 4,
495 		(cpurev & 0x0000F) >> 0,
496 		mxc_get_clock(MXC_ARM_CLK) / 1000000);
497 	printf("Reset cause: %s\n", get_reset_cause());
498 	return 0;
499 }
500 
501 /*
502  * Do not overwrite the console
503  * Use always serial for U-Boot console
504  */
505 int overwrite_console(void)
506 {
507 	return 1;
508 }
509 
510 int board_init(void)
511 {
512 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
513 
514 	mxc_set_sata_internal_clock();
515 	setup_iomux_i2c();
516 	if (!power_init())
517 		clock_1GHz();
518 	print_cpuinfo();
519 
520 	lcd_enable();
521 
522 	return 0;
523 }
524 
525 int checkboard(void)
526 {
527 	puts("Board: MX53 LOCO\n");
528 
529 	return 0;
530 }
531