xref: /openbmc/u-boot/board/BuR/common/common.c (revision 26722335)
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(get_nand_dev_by_index(0), 0x40000,
263 				(size_t *)&dtbsize,
264 				NULL, 0x20000, (u_char *)dtbaddr);
265 #else
266 	char *dtbname = getenv("dtb");
267 	char *dtbdev = getenv("dtbdev");
268 	char *dtbpart = getenv("dtbpart");
269 	if (!dtbdev || !dtbpart || !dtbname) {
270 		printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__);
271 		return -1;
272 	}
273 
274 	if (fs_set_blk_dev(dtbdev, dtbpart, FS_TYPE_EXT)) {
275 		puts("load_devicetree: set_blk_dev failed.\n");
276 		return -1;
277 	}
278 	rc = fs_read(dtbname, (u32)dtbaddr, 0, 0, &dtbsize);
279 #endif
280 	if (rc == 0) {
281 		gd->fdt_blob = (void *)dtbaddr;
282 		gd->fdt_size = dtbsize;
283 		debug("loaded %d bytes of dtb onto 0x%08x\n",
284 		      (u32)dtbsize, (u32)gd->fdt_blob);
285 		return dtbsize;
286 	}
287 
288 	printf("%s: load dtb failed!\n", __func__);
289 	return -1;
290 }
291 
292 static const char *dtbmacaddr(u32 ifno)
293 {
294 	int node, len;
295 	char enet[16];
296 	const char *mac;
297 	const char *path;
298 
299 	if (gd->fdt_blob == NULL) {
300 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
301 		return NULL;
302 	}
303 
304 	node = fdt_path_offset(gd->fdt_blob, "/aliases");
305 	if (node < 0)
306 		return NULL;
307 
308 	sprintf(enet, "ethernet%d", ifno);
309 	path = fdt_getprop(gd->fdt_blob, node, enet, NULL);
310 	if (!path) {
311 		printf("no alias for %s\n", enet);
312 		return NULL;
313 	}
314 
315 	node = fdt_path_offset(gd->fdt_blob, path);
316 	mac = fdt_getprop(gd->fdt_blob, node, "mac-address", &len);
317 	if (mac && is_valid_ethaddr((u8 *)mac))
318 		return mac;
319 
320 	return NULL;
321 }
322 
323 static void br_summaryscreen_printdtb(char *prefix,
324 				       char *name,
325 				       char *suffix)
326 {
327 	char buf[32] = { 0 };
328 	const char *nodep = buf;
329 	char *mac = 0;
330 	int nodeoffset;
331 	int len;
332 
333 	if (gd->fdt_blob == NULL) {
334 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
335 		return;
336 	}
337 
338 	if (strcmp(name, "brmac1") == 0) {
339 		mac = (char *)dtbmacaddr(0);
340 		if (mac)
341 			sprintf(buf, "%pM", mac);
342 	} else if (strcmp(name, "brmac2") == 0) {
343 		mac =  (char *)dtbmacaddr(1);
344 		if (mac)
345 			sprintf(buf, "%pM", mac);
346 	} else {
347 		nodeoffset = fdt_path_offset(gd->fdt_blob,
348 					     "/factory-settings");
349 		if (nodeoffset < 0) {
350 			puts("no 'factory-settings' in dtb!\n");
351 			return;
352 		}
353 		nodep = fdt_getprop(gd->fdt_blob, nodeoffset, name, &len);
354 	}
355 	if (nodep && strlen(nodep) > 1)
356 		lcd_printf("%s %s %s", prefix, nodep, suffix);
357 	else
358 		lcd_printf("\n");
359 }
360 int ft_board_setup(void *blob, bd_t *bd)
361 {
362 	int nodeoffset;
363 
364 	nodeoffset = fdt_path_offset(blob, "/factory-settings");
365 	if (nodeoffset < 0) {
366 		puts("set bootloader version 'factory-settings' not in dtb!\n");
367 		return -1;
368 	}
369 	if (fdt_setprop(blob, nodeoffset, "bl-version",
370 			PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) {
371 		puts("set bootloader version 'bl-version' prop. not in dtb!\n");
372 		return -1;
373 	}
374 	/*
375 	 * if no simplefb is requested through environment, we don't set up
376 	 * one, instead we turn off backlight.
377 	 */
378 	if (getenv_ulong("simplefb", 10, 0) == 0) {
379 		lcdbacklight(0);
380 		return 0;
381 	}
382 	/* Setup simplefb devicetree node, also adapt memory-node,
383 	 * upper limit for kernel e.g. linux is memtop-framebuffer alligned
384 	 * to a full megabyte.
385 	 */
386 	u64 start = gd->bd->bi_dram[0].start;
387 	u64 size = (gd->fb_base - start) & ~0xFFFFF;
388 	int rc = fdt_fixup_memory_banks(blob, &start, &size, 1);
389 
390 	if (rc) {
391 		puts("cannot setup simplefb: Error reserving memory!\n");
392 		return rc;
393 	}
394 	rc = lcd_dt_simplefb_enable_existing_node(blob);
395 	if (rc) {
396 		puts("cannot setup simplefb: error enabling simplefb node!\n");
397 		return rc;
398 	}
399 
400 	return 0;
401 }
402 #else
403 
404 static void br_summaryscreen_printenv(char *prefix,
405 				       char *name, char *altname,
406 				       char *suffix)
407 {
408 	char *envval = getenv(name);
409 	if (0 != envval) {
410 		lcd_printf("%s %s %s", prefix, envval, suffix);
411 	} else if (0 != altname) {
412 		envval = getenv(altname);
413 		if (0 != envval)
414 			lcd_printf("%s %s %s", prefix, envval, suffix);
415 	} else {
416 		lcd_printf("\n");
417 	}
418 }
419 #endif
420 void br_summaryscreen(void)
421 {
422 #ifdef CONFIG_USE_FDT
423 	br_summaryscreen_printdtb(" - B&R -", "order-no", "-\n");
424 	br_summaryscreen_printdtb(" Serial/Rev :", "serial-no", " /");
425 	br_summaryscreen_printdtb(" ", "hw-revision", "\n");
426 	br_summaryscreen_printdtb(" MAC (IF1)  :", "brmac1", "\n");
427 	br_summaryscreen_printdtb(" MAC (IF2)  :", "brmac2", "\n");
428 	lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
429 	lcd_puts("\n");
430 #else
431 	br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n");
432 	br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n");
433 	br_summaryscreen_printenv(" MAC (IF1)  :", "br_mac1", "ethaddr", "\n");
434 	br_summaryscreen_printenv(" MAC (IF2)  :", "br_mac2", 0, "\n");
435 	lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
436 	lcd_puts("\n");
437 #endif
438 }
439 
440 void lcdpower(int on)
441 {
442 	u32 pin, swval, i;
443 #ifdef CONFIG_USE_FDT
444 	if (gd->fdt_blob == NULL) {
445 		printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
446 		return;
447 	}
448 	pin = FDTPROP(PATHINF, "pwrpin");
449 #else
450 	pin = getenv_ulong("ds1_pwr", 16, ~0UL);
451 #endif
452 	if (pin == ~0UL) {
453 		puts("no pwrpin in dtb/env, cannot powerup display!\n");
454 		return;
455 	}
456 
457 	for (i = 0; i < 3; i++) {
458 		if (pin != 0) {
459 			swval = pin & 0x80 ? 0 : 1;
460 			if (on)
461 				gpio_direction_output(pin & 0x7F, swval);
462 			else
463 				gpio_direction_output(pin & 0x7F, !swval);
464 
465 			debug("switched pin %d to %d\n", pin & 0x7F, swval);
466 		}
467 		pin >>= 8;
468 	}
469 }
470 
471 vidinfo_t	panel_info = {
472 		.vl_col = 1366,	/*
473 				 * give full resolution for allocating enough
474 				 * memory
475 				 */
476 		.vl_row = 768,
477 		.vl_bpix = 5,
478 		.priv = 0
479 };
480 
481 void lcd_ctrl_init(void *lcdbase)
482 {
483 	struct am335x_lcdpanel lcd_panel;
484 #ifdef CONFIG_USE_FDT
485 	/* TODO: is there a better place to load the dtb ? */
486 	load_devicetree();
487 #endif
488 	memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel));
489 	if (load_lcdtiming(&lcd_panel) != 0)
490 		return;
491 
492 	lcd_panel.panel_power_ctrl = &lcdpower;
493 
494 	if (0 != am335xfb_init(&lcd_panel))
495 		printf("ERROR: failed to initialize video!");
496 	/*
497 	 * modifiy panel info to 'real' resolution, to operate correct with
498 	 * lcd-framework.
499 	 */
500 	panel_info.vl_col = lcd_panel.hactive;
501 	panel_info.vl_row = lcd_panel.vactive;
502 
503 	lcd_set_flush_dcache(1);
504 }
505 
506 void lcd_enable(void)
507 {
508 	br_summaryscreen();
509 	lcdbacklight(1);
510 }
511 #elif CONFIG_SPL_BUILD
512 #else
513 #error "LCD-support with a suitable FB-Driver is mandatory !"
514 #endif /* CONFIG_LCD */
515 
516 #ifdef CONFIG_SPL_BUILD
517 void pmicsetup(u32 mpupll)
518 {
519 	int mpu_vdd;
520 	int usb_cur_lim;
521 
522 	if (i2c_probe(TPS65217_CHIP_PM)) {
523 		puts("PMIC (0x24) not found! skip further initalization.\n");
524 		return;
525 	}
526 
527 	/* Get the frequency which is defined by device fuses */
528 	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
529 	printf("detected max. frequency: %d - ", dpll_mpu_opp100.m);
530 
531 	if (0 != mpupll) {
532 		dpll_mpu_opp100.m = MPUPLL_M_1000;
533 		printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m);
534 	} else {
535 		puts("ok.\n");
536 	}
537 	/*
538 	 * Increase USB current limit to 1300mA or 1800mA and set
539 	 * the MPU voltage controller as needed.
540 	 */
541 	if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
542 		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
543 		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
544 	} else {
545 		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
546 		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
547 	}
548 
549 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH,
550 			       usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK))
551 		puts("tps65217_reg_write failure\n");
552 
553 	/* Set DCDC3 (CORE) voltage to 1.125V */
554 	if (tps65217_voltage_update(TPS65217_DEFDCDC3,
555 				    TPS65217_DCDC_VOLT_SEL_1125MV)) {
556 		puts("tps65217_voltage_update failure\n");
557 		return;
558 	}
559 
560 	/* Set CORE Frequencies to OPP100 */
561 	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
562 
563 	/* Set DCDC2 (MPU) voltage */
564 	if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
565 		puts("tps65217_voltage_update failure\n");
566 		return;
567 	}
568 
569 	/* Set LDO3 to 1.8V */
570 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
571 			       TPS65217_DEFLS1,
572 			       TPS65217_LDO_VOLTAGE_OUT_1_8,
573 			       TPS65217_LDO_MASK))
574 		puts("tps65217_reg_write failure\n");
575 	/* Set LDO4 to 3.3V */
576 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
577 			       TPS65217_DEFLS2,
578 			       TPS65217_LDO_VOLTAGE_OUT_3_3,
579 			       TPS65217_LDO_MASK))
580 		puts("tps65217_reg_write failure\n");
581 
582 	/* Set MPU Frequency to what we detected now that voltages are set */
583 	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
584 	/* Set PWR_EN bit in Status Register */
585 	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
586 			   TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF);
587 }
588 
589 void set_uart_mux_conf(void)
590 {
591 	enable_uart0_pin_mux();
592 }
593 
594 void set_mux_conf_regs(void)
595 {
596 	enable_board_pin_mux();
597 }
598 
599 #endif /* CONFIG_SPL_BUILD */
600 
601 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
602 	(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
603 static void cpsw_control(int enabled)
604 {
605 	/* VTP can be added here */
606 	return;
607 }
608 
609 /* describing port offsets of TI's CPSW block */
610 static struct cpsw_slave_data cpsw_slaves[] = {
611 	{
612 		.slave_reg_ofs	= 0x208,
613 		.sliver_reg_ofs	= 0xd80,
614 		.phy_addr	= 1,
615 	},
616 	{
617 		.slave_reg_ofs	= 0x308,
618 		.sliver_reg_ofs	= 0xdc0,
619 		.phy_addr	= 2,
620 	},
621 };
622 
623 static struct cpsw_platform_data cpsw_data = {
624 	.mdio_base		= CPSW_MDIO_BASE,
625 	.cpsw_base		= CPSW_BASE,
626 	.mdio_div		= 0xff,
627 	.channels		= 8,
628 	.cpdma_reg_ofs		= 0x800,
629 	.slaves			= 1,
630 	.slave_data		= cpsw_slaves,
631 	.ale_reg_ofs		= 0xd00,
632 	.ale_entries		= 1024,
633 	.host_port_reg_ofs	= 0x108,
634 	.hw_stats_reg_ofs	= 0x900,
635 	.bd_ram_ofs		= 0x2000,
636 	.mac_control		= (1 << 5),
637 	.control		= cpsw_control,
638 	.host_port_num		= 0,
639 	.version		= CPSW_CTRL_VERSION_2,
640 };
641 #endif /* CONFIG_DRIVER_TI_CPSW, ... */
642 
643 #if defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)
644 int board_eth_init(bd_t *bis)
645 {
646 	int rv = 0;
647 	char mac_addr[6];
648 	const char *mac = 0;
649 	uint32_t mac_hi, mac_lo;
650 	/* try reading mac address from efuse */
651 	mac_lo = readl(&cdev->macid0l);
652 	mac_hi = readl(&cdev->macid0h);
653 	mac_addr[0] = mac_hi & 0xFF;
654 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
655 	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
656 	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
657 	mac_addr[4] = mac_lo & 0xFF;
658 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
659 
660 	if (!getenv("ethaddr")) {
661 		#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_FDT)
662 		printf("<ethaddr> not set. trying DTB ... ");
663 		mac = dtbmacaddr(0);
664 		#endif
665 		if (!mac) {
666 			printf("<ethaddr> not set. validating E-fuse MAC ... ");
667 			if (is_valid_ethaddr((const u8 *)mac_addr))
668 				mac = (const char *)mac_addr;
669 		}
670 
671 		if (mac) {
672 			printf("using: %pM on ", mac);
673 			eth_setenv_enetaddr("ethaddr", (const u8 *)mac);
674 		}
675 	}
676 	writel(MII_MODE_ENABLE, &cdev->miisel);
677 	cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_MII;
678 	cpsw_slaves[1].phy_if =	PHY_INTERFACE_MODE_MII;
679 
680 	rv = cpsw_register(&cpsw_data);
681 	if (rv < 0) {
682 		printf("Error %d registering CPSW switch\n", rv);
683 		return 0;
684 	}
685 	return rv;
686 }
687 #endif /* defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD) */
688 #if defined(CONFIG_MMC)
689 int board_mmc_init(bd_t *bis)
690 {
691 	int rc = 0;
692 
693 	rc |= omap_mmc_init(0, 0, 0, -1, -1);
694 	rc |= omap_mmc_init(1, 0, 0, -1, -1);
695 
696 	return rc;
697 }
698 #endif
699 int overwrite_console(void)
700 {
701 	return 1;
702 }
703