xref: /openbmc/u-boot/board/BuR/common/common.c (revision daa483de)
1 /*
2  * common.c
3  *
4  * common board functions for B&R boards
5  *
6  * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
7  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
8  *
9  * SPDX-License-Identifier:	GPL-2.0+
10  *
11  */
12 #include <version.h>
13 #include <common.h>
14 #include <errno.h>
15 #include <asm/arch/cpu.h>
16 #include <asm/arch/hardware.h>
17 #include <asm/arch/omap.h>
18 #include <asm/arch/clock.h>
19 #include <asm/arch/gpio.h>
20 #include <asm/arch/sys_proto.h>
21 #include <asm/arch/mmc_host_def.h>
22 #include <asm/io.h>
23 #include <asm/gpio.h>
24 #include <i2c.h>
25 #include <miiphy.h>
26 #include <cpsw.h>
27 #include <power/tps65217.h>
28 #include <lcd.h>
29 #include <fs.h>
30 #ifdef CONFIG_USE_FDT
31   #include <fdt_support.h>
32 #endif
33 #include "bur_common.h"
34 #include "../../../drivers/video/am335x-fb.h"
35 #include <nand.h>
36 #include <fdt_simplefb.h>
37 
38 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
39 
40 DECLARE_GLOBAL_DATA_PTR;
41 
42 #ifdef CONFIG_USE_FDT
43   #define FDTPROP(b, c) fdt_getprop_u32_default(gd->fdt_blob, b, c, ~0UL)
44   #define PATHTIM "/panel/display-timings/default"
45   #define PATHINF "/panel/panel-info"
46 #endif
47 /* --------------------------------------------------------------------------*/
48 #if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
49 	!defined(CONFIG_SPL_BUILD)
50 void lcdbacklight(int on)
51 {
52 #ifdef CONFIG_USE_FDT
53 	if (gd->fdt_blob == NULL) {
54 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
55 		return;
56 	}
57 	unsigned int driver = FDTPROP(PATHINF, "brightdrv");
58 	unsigned int bright = FDTPROP(PATHINF, "brightdef");
59 	unsigned int pwmfrq = FDTPROP(PATHINF, "brightfdim");
60 #else
61 	unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
62 	unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
63 	unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
64 #endif
65 	unsigned int tmp;
66 	struct gptimer *timerhw;
67 
68 	if (on)
69 		bright = bright != ~0UL ? bright : 50;
70 	else
71 		bright = 0;
72 
73 	switch (driver) {
74 	case 2:
75 		timerhw = (struct gptimer *)DM_TIMER5_BASE;
76 		break;
77 	default:
78 		timerhw = (struct gptimer *)DM_TIMER6_BASE;
79 	}
80 
81 	switch (driver) {
82 	case 0:	/* PMIC LED-Driver */
83 		/* brightness level */
84 		tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
85 				   TPS65217_WLEDCTRL2, bright, 0xFF);
86 		/* current sink */
87 		tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
88 				   TPS65217_WLEDCTRL1,
89 				   bright != 0 ? 0x0A : 0x02,
90 				   0xFF);
91 		break;
92 	case 1:
93 	case 2: /* PWM using timer */
94 		if (pwmfrq != ~0UL) {
95 			timerhw->tiocp_cfg = TCFG_RESET;
96 			udelay(10);
97 			while (timerhw->tiocp_cfg & TCFG_RESET)
98 				;
99 			tmp = ~0UL-(V_OSCK/pwmfrq);	/* bottom value */
100 			timerhw->tldr = tmp;
101 			timerhw->tcrr = tmp;
102 			tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
103 			timerhw->tmar = tmp;
104 			timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) |
105 					TCLR_CE | TCLR_AR | TCLR_ST);
106 		} else {
107 			puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
108 		}
109 		break;
110 	default:
111 		puts("no suitable backlightdriver in env/dtb!\n");
112 		break;
113 	}
114 }
115 
116 int load_lcdtiming(struct am335x_lcdpanel *panel)
117 {
118 	struct am335x_lcdpanel pnltmp;
119 #ifdef CONFIG_USE_FDT
120 	u32 dtbprop;
121 	char buf[32];
122 	const char *nodep = 0;
123 	int nodeoff;
124 
125 	if (gd->fdt_blob == NULL) {
126 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
127 		return -1;
128 	}
129 	memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));
130 
131 	pnltmp.hactive = FDTPROP(PATHTIM, "hactive");
132 	pnltmp.vactive = FDTPROP(PATHTIM, "vactive");
133 	pnltmp.bpp = FDTPROP(PATHINF, "bpp");
134 	pnltmp.hfp = FDTPROP(PATHTIM, "hfront-porch");
135 	pnltmp.hbp = FDTPROP(PATHTIM, "hback-porch");
136 	pnltmp.hsw = FDTPROP(PATHTIM, "hsync-len");
137 	pnltmp.vfp = FDTPROP(PATHTIM, "vfront-porch");
138 	pnltmp.vbp = FDTPROP(PATHTIM, "vback-porch");
139 	pnltmp.vsw = FDTPROP(PATHTIM, "vsync-len");
140 	pnltmp.pup_delay = FDTPROP(PATHTIM, "pupdelay");
141 	pnltmp.pon_delay = FDTPROP(PATHTIM, "pondelay");
142 
143 	/* calc. proper clk-divisor */
144 	dtbprop = FDTPROP(PATHTIM, "clock-frequency");
145 	if (dtbprop != ~0UL)
146 		pnltmp.pxl_clk_div = 192000000 / dtbprop;
147 	else
148 		pnltmp.pxl_clk_div = ~0UL;
149 
150 	/* check polarity of control-signals */
151 	dtbprop = FDTPROP(PATHTIM, "hsync-active");
152 	if (dtbprop == 0)
153 		pnltmp.pol |= HSYNC_INVERT;
154 	dtbprop = FDTPROP(PATHTIM, "vsync-active");
155 	if (dtbprop == 0)
156 		pnltmp.pol |= VSYNC_INVERT;
157 	dtbprop = FDTPROP(PATHINF, "sync-ctrl");
158 	if (dtbprop == 1)
159 		pnltmp.pol |= HSVS_CONTROL;
160 	dtbprop = FDTPROP(PATHINF, "sync-edge");
161 	if (dtbprop == 1)
162 		pnltmp.pol |= HSVS_RISEFALL;
163 	dtbprop = FDTPROP(PATHTIM, "pixelclk-active");
164 	if (dtbprop == 0)
165 		pnltmp.pol |= PXCLK_INVERT;
166 	dtbprop = FDTPROP(PATHTIM, "de-active");
167 	if (dtbprop == 0)
168 		pnltmp.pol |= DE_INVERT;
169 
170 	nodeoff = fdt_path_offset(gd->fdt_blob, "/factory-settings");
171 	if (nodeoff >= 0) {
172 		nodep = fdt_getprop(gd->fdt_blob, nodeoff, "rotation", NULL);
173 		if (nodep != 0) {
174 			if (strcmp(nodep, "cw") == 0)
175 				panel_info.vl_rot = 1;
176 			else if (strcmp(nodep, "ud") == 0)
177 				panel_info.vl_rot = 2;
178 			else if (strcmp(nodep, "ccw") == 0)
179 				panel_info.vl_rot = 3;
180 			else
181 				panel_info.vl_rot = 0;
182 		}
183 	} else {
184 		puts("no 'factory-settings / rotation' in dtb!\n");
185 	}
186 	snprintf(buf, sizeof(buf), "fbcon=rotate:%d", panel_info.vl_rot);
187 	setenv("optargs_rot", buf);
188 #else
189 	pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
190 	pnltmp.vactive = getenv_ulong("ds1_vactive", 10, ~0UL);
191 	pnltmp.bpp = getenv_ulong("ds1_bpp", 10, ~0UL);
192 	pnltmp.hfp = getenv_ulong("ds1_hfp", 10, ~0UL);
193 	pnltmp.hbp = getenv_ulong("ds1_hbp", 10, ~0UL);
194 	pnltmp.hsw = getenv_ulong("ds1_hsw", 10, ~0UL);
195 	pnltmp.vfp = getenv_ulong("ds1_vfp", 10, ~0UL);
196 	pnltmp.vbp = getenv_ulong("ds1_vbp", 10, ~0UL);
197 	pnltmp.vsw = getenv_ulong("ds1_vsw", 10, ~0UL);
198 	pnltmp.pxl_clk_div = getenv_ulong("ds1_pxlclkdiv", 10, ~0UL);
199 	pnltmp.pol = getenv_ulong("ds1_pol", 16, ~0UL);
200 	pnltmp.pup_delay = getenv_ulong("ds1_pupdelay", 10, ~0UL);
201 	pnltmp.pon_delay = getenv_ulong("ds1_tondelay", 10, ~0UL);
202 	panel_info.vl_rot = getenv_ulong("ds1_rotation", 10, 0);
203 #endif
204 	if (
205 	   ~0UL == (pnltmp.hactive) ||
206 	   ~0UL == (pnltmp.vactive) ||
207 	   ~0UL == (pnltmp.bpp) ||
208 	   ~0UL == (pnltmp.hfp) ||
209 	   ~0UL == (pnltmp.hbp) ||
210 	   ~0UL == (pnltmp.hsw) ||
211 	   ~0UL == (pnltmp.vfp) ||
212 	   ~0UL == (pnltmp.vbp) ||
213 	   ~0UL == (pnltmp.vsw) ||
214 	   ~0UL == (pnltmp.pxl_clk_div) ||
215 	   ~0UL == (pnltmp.pol) ||
216 	   ~0UL == (pnltmp.pup_delay) ||
217 	   ~0UL == (pnltmp.pon_delay)
218 	   ) {
219 		puts("lcd-settings in env/dtb incomplete!\n");
220 		printf("display-timings:\n"
221 			"================\n"
222 			"hactive: %d\n"
223 			"vactive: %d\n"
224 			"bpp    : %d\n"
225 			"hfp    : %d\n"
226 			"hbp    : %d\n"
227 			"hsw    : %d\n"
228 			"vfp    : %d\n"
229 			"vbp    : %d\n"
230 			"vsw    : %d\n"
231 			"pxlclk : %d\n"
232 			"pol    : 0x%08x\n"
233 			"pondly : %d\n",
234 			pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
235 			pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
236 			pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
237 			pnltmp.pxl_clk_div, pnltmp.pol, pnltmp.pon_delay);
238 
239 		return -1;
240 	}
241 	debug("lcd-settings in env complete, taking over.\n");
242 	memcpy((void *)panel,
243 	       (void *)&pnltmp,
244 	       sizeof(struct am335x_lcdpanel));
245 
246 	return 0;
247 }
248 
249 #ifdef CONFIG_USE_FDT
250 static int load_devicetree(void)
251 {
252 	int rc;
253 	loff_t dtbsize;
254 	u32 dtbaddr = getenv_ulong("dtbaddr", 16, 0UL);
255 
256 	if (dtbaddr == 0) {
257 		printf("%s: don't have a valid <dtbaddr> in env!\n", __func__);
258 		return -1;
259 	}
260 #ifdef CONFIG_NAND
261 	dtbsize = 0x20000;
262 	rc = nand_read_skip_bad(nand_info[0], 0x40000, (size_t *)&dtbsize,
263 				NULL, 0x20000, (u_char *)dtbaddr);
264 #else
265 	char *dtbname = getenv("dtb");
266 	char *dtbdev = getenv("dtbdev");
267 	char *dtppart = getenv("dtbpart");
268 	if (!dtbdev || !dtbdev || !dtbname) {
269 		printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__);
270 		return -1;
271 	}
272 
273 	if (fs_set_blk_dev(dtbdev, dtppart, FS_TYPE_EXT)) {
274 		puts("load_devicetree: set_blk_dev failed.\n");
275 		return -1;
276 	}
277 	rc = fs_read(dtbname, (u32)dtbaddr, 0, 0, &dtbsize);
278 #endif
279 	if (rc == 0) {
280 		gd->fdt_blob = (void *)dtbaddr;
281 		gd->fdt_size = dtbsize;
282 		debug("loaded %d bytes of dtb onto 0x%08x\n",
283 		      (u32)dtbsize, (u32)gd->fdt_blob);
284 		return dtbsize;
285 	}
286 
287 	printf("%s: load dtb failed!\n", __func__);
288 	return -1;
289 }
290 
291 static const char *dtbmacaddr(u32 ifno)
292 {
293 	int node, len;
294 	char enet[16];
295 	const char *mac;
296 	const char *path;
297 
298 	if (gd->fdt_blob == NULL) {
299 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
300 		return NULL;
301 	}
302 
303 	node = fdt_path_offset(gd->fdt_blob, "/aliases");
304 	if (node < 0)
305 		return NULL;
306 
307 	sprintf(enet, "ethernet%d", ifno);
308 	path = fdt_getprop(gd->fdt_blob, node, enet, NULL);
309 	if (!path) {
310 		printf("no alias for %s\n", enet);
311 		return NULL;
312 	}
313 
314 	node = fdt_path_offset(gd->fdt_blob, path);
315 	mac = fdt_getprop(gd->fdt_blob, node, "mac-address", &len);
316 	if (mac && is_valid_ethaddr((u8 *)mac))
317 		return mac;
318 
319 	return NULL;
320 }
321 
322 static void br_summaryscreen_printdtb(char *prefix,
323 				       char *name,
324 				       char *suffix)
325 {
326 	char buf[32] = { 0 };
327 	const char *nodep = buf;
328 	char *mac = 0;
329 	int nodeoffset;
330 	int len;
331 
332 	if (gd->fdt_blob == NULL) {
333 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
334 		return;
335 	}
336 
337 	if (strcmp(name, "brmac1") == 0) {
338 		mac = (char *)dtbmacaddr(0);
339 		if (mac)
340 			sprintf(buf, "%pM", mac);
341 	} else if (strcmp(name, "brmac2") == 0) {
342 		mac =  (char *)dtbmacaddr(1);
343 		if (mac)
344 			sprintf(buf, "%pM", mac);
345 	} else {
346 		nodeoffset = fdt_path_offset(gd->fdt_blob,
347 					     "/factory-settings");
348 		if (nodeoffset < 0) {
349 			puts("no 'factory-settings' in dtb!\n");
350 			return;
351 		}
352 		nodep = fdt_getprop(gd->fdt_blob, nodeoffset, name, &len);
353 	}
354 	if (nodep && strlen(nodep) > 1)
355 		lcd_printf("%s %s %s", prefix, nodep, suffix);
356 	else
357 		lcd_printf("\n");
358 }
359 int ft_board_setup(void *blob, bd_t *bd)
360 {
361 	int nodeoffset;
362 
363 	nodeoffset = fdt_path_offset(blob, "/factory-settings");
364 	if (nodeoffset < 0) {
365 		puts("set bootloader version 'factory-settings' not in dtb!\n");
366 		return -1;
367 	}
368 	if (fdt_setprop(blob, nodeoffset, "bl-version",
369 			PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) {
370 		puts("set bootloader version 'bl-version' prop. not in dtb!\n");
371 		return -1;
372 	}
373 	/*
374 	 * if no simplefb is requested through environment, we don't set up
375 	 * one, instead we turn off backlight.
376 	 */
377 	if (getenv_ulong("simplefb", 10, 0) == 0) {
378 		lcdbacklight(0);
379 		return 0;
380 	}
381 	/* Setup simplefb devicetree node, also adapt memory-node,
382 	 * upper limit for kernel e.g. linux is memtop-framebuffer alligned
383 	 * to a full megabyte.
384 	 */
385 	u64 start = gd->bd->bi_dram[0].start;
386 	u64 size = (gd->fb_base - start) & ~0xFFFFF;
387 	int rc = fdt_fixup_memory_banks(blob, &start, &size, 1);
388 
389 	if (rc) {
390 		puts("cannot setup simplefb: Error reserving memory!\n");
391 		return rc;
392 	}
393 	rc = lcd_dt_simplefb_enable_existing_node(blob);
394 	if (rc) {
395 		puts("cannot setup simplefb: error enabling simplefb node!\n");
396 		return rc;
397 	}
398 
399 	return 0;
400 }
401 #else
402 
403 static void br_summaryscreen_printenv(char *prefix,
404 				       char *name, char *altname,
405 				       char *suffix)
406 {
407 	char *envval = getenv(name);
408 	if (0 != envval) {
409 		lcd_printf("%s %s %s", prefix, envval, suffix);
410 	} else if (0 != altname) {
411 		envval = getenv(altname);
412 		if (0 != envval)
413 			lcd_printf("%s %s %s", prefix, envval, suffix);
414 	} else {
415 		lcd_printf("\n");
416 	}
417 }
418 #endif
419 void br_summaryscreen(void)
420 {
421 #ifdef CONFIG_USE_FDT
422 	br_summaryscreen_printdtb(" - B&R -", "order-no", "-\n");
423 	br_summaryscreen_printdtb(" Serial/Rev :", "serial-no", " /");
424 	br_summaryscreen_printdtb(" ", "hw-revision", "\n");
425 	br_summaryscreen_printdtb(" MAC (IF1)  :", "brmac1", "\n");
426 	br_summaryscreen_printdtb(" MAC (IF2)  :", "brmac2", "\n");
427 	lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
428 	lcd_puts("\n");
429 #else
430 	br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n");
431 	br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n");
432 	br_summaryscreen_printenv(" MAC (IF1)  :", "br_mac1", "ethaddr", "\n");
433 	br_summaryscreen_printenv(" MAC (IF2)  :", "br_mac2", 0, "\n");
434 	lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
435 	lcd_puts("\n");
436 #endif
437 }
438 
439 void lcdpower(int on)
440 {
441 	u32 pin, swval, i;
442 #ifdef CONFIG_USE_FDT
443 	if (gd->fdt_blob == NULL) {
444 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
445 		return;
446 	}
447 	pin = FDTPROP(PATHINF, "pwrpin");
448 #else
449 	pin = getenv_ulong("ds1_pwr", 16, ~0UL);
450 #endif
451 	if (pin == ~0UL) {
452 		puts("no pwrpin in dtb/env, cannot powerup display!\n");
453 		return;
454 	}
455 
456 	for (i = 0; i < 3; i++) {
457 		if (pin != 0) {
458 			swval = pin & 0x80 ? 0 : 1;
459 			if (on)
460 				gpio_direction_output(pin & 0x7F, swval);
461 			else
462 				gpio_direction_output(pin & 0x7F, !swval);
463 
464 			debug("switched pin %d to %d\n", pin & 0x7F, swval);
465 		}
466 		pin >>= 8;
467 	}
468 }
469 
470 vidinfo_t	panel_info = {
471 		.vl_col = 1366,	/*
472 				 * give full resolution for allocating enough
473 				 * memory
474 				 */
475 		.vl_row = 768,
476 		.vl_bpix = 5,
477 		.priv = 0
478 };
479 
480 void lcd_ctrl_init(void *lcdbase)
481 {
482 	struct am335x_lcdpanel lcd_panel;
483 #ifdef CONFIG_USE_FDT
484 	/* TODO: is there a better place to load the dtb ? */
485 	load_devicetree();
486 #endif
487 	memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel));
488 	if (load_lcdtiming(&lcd_panel) != 0)
489 		return;
490 
491 	lcd_panel.panel_power_ctrl = &lcdpower;
492 
493 	if (0 != am335xfb_init(&lcd_panel))
494 		printf("ERROR: failed to initialize video!");
495 	/*
496 	 * modifiy panel info to 'real' resolution, to operate correct with
497 	 * lcd-framework.
498 	 */
499 	panel_info.vl_col = lcd_panel.hactive;
500 	panel_info.vl_row = lcd_panel.vactive;
501 
502 	lcd_set_flush_dcache(1);
503 }
504 
505 void lcd_enable(void)
506 {
507 	br_summaryscreen();
508 	lcdbacklight(1);
509 }
510 #elif CONFIG_SPL_BUILD
511 #else
512 #error "LCD-support with a suitable FB-Driver is mandatory !"
513 #endif /* CONFIG_LCD */
514 
515 #ifdef CONFIG_SPL_BUILD
516 void pmicsetup(u32 mpupll)
517 {
518 	int mpu_vdd;
519 	int usb_cur_lim;
520 
521 	if (i2c_probe(TPS65217_CHIP_PM)) {
522 		puts("PMIC (0x24) not found! skip further initalization.\n");
523 		return;
524 	}
525 
526 	/* Get the frequency which is defined by device fuses */
527 	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
528 	printf("detected max. frequency: %d - ", dpll_mpu_opp100.m);
529 
530 	if (0 != mpupll) {
531 		dpll_mpu_opp100.m = MPUPLL_M_1000;
532 		printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m);
533 	} else {
534 		puts("ok.\n");
535 	}
536 	/*
537 	 * Increase USB current limit to 1300mA or 1800mA and set
538 	 * the MPU voltage controller as needed.
539 	 */
540 	if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
541 		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
542 		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
543 	} else {
544 		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
545 		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
546 	}
547 
548 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH,
549 			       usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK))
550 		puts("tps65217_reg_write failure\n");
551 
552 	/* Set DCDC3 (CORE) voltage to 1.125V */
553 	if (tps65217_voltage_update(TPS65217_DEFDCDC3,
554 				    TPS65217_DCDC_VOLT_SEL_1125MV)) {
555 		puts("tps65217_voltage_update failure\n");
556 		return;
557 	}
558 
559 	/* Set CORE Frequencies to OPP100 */
560 	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
561 
562 	/* Set DCDC2 (MPU) voltage */
563 	if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
564 		puts("tps65217_voltage_update failure\n");
565 		return;
566 	}
567 
568 	/* Set LDO3 to 1.8V */
569 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
570 			       TPS65217_DEFLS1,
571 			       TPS65217_LDO_VOLTAGE_OUT_1_8,
572 			       TPS65217_LDO_MASK))
573 		puts("tps65217_reg_write failure\n");
574 	/* Set LDO4 to 3.3V */
575 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
576 			       TPS65217_DEFLS2,
577 			       TPS65217_LDO_VOLTAGE_OUT_3_3,
578 			       TPS65217_LDO_MASK))
579 		puts("tps65217_reg_write failure\n");
580 
581 	/* Set MPU Frequency to what we detected now that voltages are set */
582 	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
583 	/* Set PWR_EN bit in Status Register */
584 	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
585 			   TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF);
586 }
587 
588 void set_uart_mux_conf(void)
589 {
590 	enable_uart0_pin_mux();
591 }
592 
593 void set_mux_conf_regs(void)
594 {
595 	enable_board_pin_mux();
596 }
597 
598 #endif /* CONFIG_SPL_BUILD */
599 
600 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
601 	(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
602 static void cpsw_control(int enabled)
603 {
604 	/* VTP can be added here */
605 	return;
606 }
607 
608 /* describing port offsets of TI's CPSW block */
609 static struct cpsw_slave_data cpsw_slaves[] = {
610 	{
611 		.slave_reg_ofs	= 0x208,
612 		.sliver_reg_ofs	= 0xd80,
613 		.phy_addr	= 1,
614 	},
615 	{
616 		.slave_reg_ofs	= 0x308,
617 		.sliver_reg_ofs	= 0xdc0,
618 		.phy_addr	= 2,
619 	},
620 };
621 
622 static struct cpsw_platform_data cpsw_data = {
623 	.mdio_base		= CPSW_MDIO_BASE,
624 	.cpsw_base		= CPSW_BASE,
625 	.mdio_div		= 0xff,
626 	.channels		= 8,
627 	.cpdma_reg_ofs		= 0x800,
628 	.slaves			= 1,
629 	.slave_data		= cpsw_slaves,
630 	.ale_reg_ofs		= 0xd00,
631 	.ale_entries		= 1024,
632 	.host_port_reg_ofs	= 0x108,
633 	.hw_stats_reg_ofs	= 0x900,
634 	.bd_ram_ofs		= 0x2000,
635 	.mac_control		= (1 << 5),
636 	.control		= cpsw_control,
637 	.host_port_num		= 0,
638 	.version		= CPSW_CTRL_VERSION_2,
639 };
640 #endif /* CONFIG_DRIVER_TI_CPSW, ... */
641 
642 #if defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)
643 int board_eth_init(bd_t *bis)
644 {
645 	int rv = 0;
646 	char mac_addr[6];
647 	const char *mac = 0;
648 	uint32_t mac_hi, mac_lo;
649 	/* try reading mac address from efuse */
650 	mac_lo = readl(&cdev->macid0l);
651 	mac_hi = readl(&cdev->macid0h);
652 	mac_addr[0] = mac_hi & 0xFF;
653 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
654 	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
655 	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
656 	mac_addr[4] = mac_lo & 0xFF;
657 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
658 
659 	if (!getenv("ethaddr")) {
660 		#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_FDT)
661 		printf("<ethaddr> not set. trying DTB ... ");
662 		mac = dtbmacaddr(0);
663 		#endif
664 		if (!mac) {
665 			printf("<ethaddr> not set. validating E-fuse MAC ... ");
666 			if (is_valid_ethaddr((const u8 *)mac_addr))
667 				mac = (const char *)mac_addr;
668 		}
669 
670 		if (mac) {
671 			printf("using: %pM on ", mac);
672 			eth_setenv_enetaddr("ethaddr", (const u8 *)mac);
673 		}
674 	}
675 	writel(MII_MODE_ENABLE, &cdev->miisel);
676 	cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_MII;
677 	cpsw_slaves[1].phy_if =	PHY_INTERFACE_MODE_MII;
678 
679 	rv = cpsw_register(&cpsw_data);
680 	if (rv < 0) {
681 		printf("Error %d registering CPSW switch\n", rv);
682 		return 0;
683 	}
684 	return rv;
685 }
686 #endif /* defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD) */
687 #if defined(CONFIG_GENERIC_MMC)
688 int board_mmc_init(bd_t *bis)
689 {
690 	return omap_mmc_init(1, 0, 0, -1, -1);
691 }
692 #endif
693 int overwrite_console(void)
694 {
695 	return 1;
696 }
697