xref: /openbmc/u-boot/board/ti/am43xx/board.c (revision 0778e7c5)
1 /*
2  * board.c
3  *
4  * Board functions for TI AM43XX based boards
5  *
6  * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #include <common.h>
12 #include <i2c.h>
13 #include <linux/errno.h>
14 #include <spl.h>
15 #include <usb.h>
16 #include <asm/omap_sec_common.h>
17 #include <asm/arch/clock.h>
18 #include <asm/arch/sys_proto.h>
19 #include <asm/arch/mux.h>
20 #include <asm/arch/ddr_defs.h>
21 #include <asm/arch/gpio.h>
22 #include <asm/emif.h>
23 #include <asm/omap_common.h>
24 #include "../common/board_detect.h"
25 #include "board.h"
26 #include <power/pmic.h>
27 #include <power/tps65218.h>
28 #include <power/tps62362.h>
29 #include <miiphy.h>
30 #include <cpsw.h>
31 #include <linux/usb/gadget.h>
32 #include <dwc3-uboot.h>
33 #include <dwc3-omap-uboot.h>
34 #include <ti-usb-phy-uboot.h>
35 
36 DECLARE_GLOBAL_DATA_PTR;
37 
38 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
39 
40 /*
41  * Read header information from EEPROM into global structure.
42  */
43 #ifdef CONFIG_TI_I2C_BOARD_DETECT
44 void do_board_detect(void)
45 {
46 	if (ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS,
47 				 CONFIG_EEPROM_CHIP_ADDRESS))
48 		printf("ti_i2c_eeprom_init failed\n");
49 }
50 #endif
51 
52 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
53 
54 const struct dpll_params dpll_mpu[NUM_CRYSTAL_FREQ][NUM_OPPS] = {
55 	{	/* 19.2 MHz */
56 		{125, 3, 2, -1, -1, -1, -1},	/* OPP 50 */
57 		{-1, -1, -1, -1, -1, -1, -1},	/* OPP RESERVED	*/
58 		{125, 3, 1, -1, -1, -1, -1},	/* OPP 100 */
59 		{150, 3, 1, -1, -1, -1, -1},	/* OPP 120 */
60 		{125, 2, 1, -1, -1, -1, -1},	/* OPP TB */
61 		{625, 11, 1, -1, -1, -1, -1}	/* OPP NT */
62 	},
63 	{	/* 24 MHz */
64 		{300, 23, 1, -1, -1, -1, -1},	/* OPP 50 */
65 		{-1, -1, -1, -1, -1, -1, -1},	/* OPP RESERVED	*/
66 		{600, 23, 1, -1, -1, -1, -1},	/* OPP 100 */
67 		{720, 23, 1, -1, -1, -1, -1},	/* OPP 120 */
68 		{800, 23, 1, -1, -1, -1, -1},	/* OPP TB */
69 		{1000, 23, 1, -1, -1, -1, -1}	/* OPP NT */
70 	},
71 	{	/* 25 MHz */
72 		{300, 24, 1, -1, -1, -1, -1},	/* OPP 50 */
73 		{-1, -1, -1, -1, -1, -1, -1},	/* OPP RESERVED	*/
74 		{600, 24, 1, -1, -1, -1, -1},	/* OPP 100 */
75 		{720, 24, 1, -1, -1, -1, -1},	/* OPP 120 */
76 		{800, 24, 1, -1, -1, -1, -1},	/* OPP TB */
77 		{1000, 24, 1, -1, -1, -1, -1}	/* OPP NT */
78 	},
79 	{	/* 26 MHz */
80 		{300, 25, 1, -1, -1, -1, -1},	/* OPP 50 */
81 		{-1, -1, -1, -1, -1, -1, -1},	/* OPP RESERVED	*/
82 		{600, 25, 1, -1, -1, -1, -1},	/* OPP 100 */
83 		{720, 25, 1, -1, -1, -1, -1},	/* OPP 120 */
84 		{800, 25, 1, -1, -1, -1, -1},	/* OPP TB */
85 		{1000, 25, 1, -1, -1, -1, -1}	/* OPP NT */
86 	},
87 };
88 
89 const struct dpll_params dpll_core[NUM_CRYSTAL_FREQ] = {
90 		{625, 11, -1, -1, 10, 8, 4},	/* 19.2 MHz */
91 		{1000, 23, -1, -1, 10, 8, 4},	/* 24 MHz */
92 		{1000, 24, -1, -1, 10, 8, 4},	/* 25 MHz */
93 		{1000, 25, -1, -1, 10, 8, 4}	/* 26 MHz */
94 };
95 
96 const struct dpll_params dpll_per[NUM_CRYSTAL_FREQ] = {
97 		{400, 7, 5, -1, -1, -1, -1},	/* 19.2 MHz */
98 		{400, 9, 5, -1, -1, -1, -1},	/* 24 MHz */
99 		{384, 9, 5, -1, -1, -1, -1},	/* 25 MHz */
100 		{480, 12, 5, -1, -1, -1, -1}	/* 26 MHz */
101 };
102 
103 const struct dpll_params epos_evm_dpll_ddr[NUM_CRYSTAL_FREQ] = {
104 		{665, 47, 1, -1, 4, -1, -1}, /*19.2*/
105 		{133, 11, 1, -1, 4, -1, -1}, /* 24 MHz */
106 		{266, 24, 1, -1, 4, -1, -1}, /* 25 MHz */
107 		{133, 12, 1, -1, 4, -1, -1}  /* 26 MHz */
108 };
109 
110 const struct dpll_params gp_evm_dpll_ddr = {
111 		50, 2, 1, -1, 2, -1, -1};
112 
113 static const struct dpll_params idk_dpll_ddr = {
114 	400, 23, 1, -1, 2, -1, -1
115 };
116 
117 static const u32 ext_phy_ctrl_const_base_lpddr2[] = {
118 	0x00500050,
119 	0x00350035,
120 	0x00350035,
121 	0x00350035,
122 	0x00350035,
123 	0x00350035,
124 	0x00000000,
125 	0x00000000,
126 	0x00000000,
127 	0x00000000,
128 	0x00000000,
129 	0x00000000,
130 	0x00000000,
131 	0x00000000,
132 	0x00000000,
133 	0x00000000,
134 	0x00000000,
135 	0x00000000,
136 	0x40001000,
137 	0x08102040
138 };
139 
140 const struct ctrl_ioregs ioregs_lpddr2 = {
141 	.cm0ioctl		= LPDDR2_ADDRCTRL_IOCTRL_VALUE,
142 	.cm1ioctl		= LPDDR2_ADDRCTRL_WD0_IOCTRL_VALUE,
143 	.cm2ioctl		= LPDDR2_ADDRCTRL_WD1_IOCTRL_VALUE,
144 	.dt0ioctl		= LPDDR2_DATA0_IOCTRL_VALUE,
145 	.dt1ioctl		= LPDDR2_DATA0_IOCTRL_VALUE,
146 	.dt2ioctrl		= LPDDR2_DATA0_IOCTRL_VALUE,
147 	.dt3ioctrl		= LPDDR2_DATA0_IOCTRL_VALUE,
148 	.emif_sdram_config_ext	= 0x1,
149 };
150 
151 const struct emif_regs emif_regs_lpddr2 = {
152 	.sdram_config			= 0x808012BA,
153 	.ref_ctrl			= 0x0000040D,
154 	.sdram_tim1			= 0xEA86B411,
155 	.sdram_tim2			= 0x103A094A,
156 	.sdram_tim3			= 0x0F6BA37F,
157 	.read_idle_ctrl			= 0x00050000,
158 	.zq_config			= 0x50074BE4,
159 	.temp_alert_config		= 0x0,
160 	.emif_rd_wr_lvl_rmp_win		= 0x0,
161 	.emif_rd_wr_lvl_rmp_ctl		= 0x0,
162 	.emif_rd_wr_lvl_ctl		= 0x0,
163 	.emif_ddr_phy_ctlr_1		= 0x0E284006,
164 	.emif_rd_wr_exec_thresh		= 0x80000405,
165 	.emif_ddr_ext_phy_ctrl_1	= 0x04010040,
166 	.emif_ddr_ext_phy_ctrl_2	= 0x00500050,
167 	.emif_ddr_ext_phy_ctrl_3	= 0x00500050,
168 	.emif_ddr_ext_phy_ctrl_4	= 0x00500050,
169 	.emif_ddr_ext_phy_ctrl_5	= 0x00500050,
170 	.emif_prio_class_serv_map	= 0x80000001,
171 	.emif_connect_id_serv_1_map	= 0x80000094,
172 	.emif_connect_id_serv_2_map	= 0x00000000,
173 	.emif_cos_config			= 0x000FFFFF
174 };
175 
176 const struct ctrl_ioregs ioregs_ddr3 = {
177 	.cm0ioctl		= DDR3_ADDRCTRL_IOCTRL_VALUE,
178 	.cm1ioctl		= DDR3_ADDRCTRL_WD0_IOCTRL_VALUE,
179 	.cm2ioctl		= DDR3_ADDRCTRL_WD1_IOCTRL_VALUE,
180 	.dt0ioctl		= DDR3_DATA0_IOCTRL_VALUE,
181 	.dt1ioctl		= DDR3_DATA0_IOCTRL_VALUE,
182 	.dt2ioctrl		= DDR3_DATA0_IOCTRL_VALUE,
183 	.dt3ioctrl		= DDR3_DATA0_IOCTRL_VALUE,
184 	.emif_sdram_config_ext	= 0xc163,
185 };
186 
187 const struct emif_regs ddr3_emif_regs_400Mhz = {
188 	.sdram_config			= 0x638413B2,
189 	.ref_ctrl			= 0x00000C30,
190 	.sdram_tim1			= 0xEAAAD4DB,
191 	.sdram_tim2			= 0x266B7FDA,
192 	.sdram_tim3			= 0x107F8678,
193 	.read_idle_ctrl			= 0x00050000,
194 	.zq_config			= 0x50074BE4,
195 	.temp_alert_config		= 0x0,
196 	.emif_ddr_phy_ctlr_1		= 0x0E004008,
197 	.emif_ddr_ext_phy_ctrl_1	= 0x08020080,
198 	.emif_ddr_ext_phy_ctrl_2	= 0x00400040,
199 	.emif_ddr_ext_phy_ctrl_3	= 0x00400040,
200 	.emif_ddr_ext_phy_ctrl_4	= 0x00400040,
201 	.emif_ddr_ext_phy_ctrl_5	= 0x00400040,
202 	.emif_rd_wr_lvl_rmp_win		= 0x0,
203 	.emif_rd_wr_lvl_rmp_ctl		= 0x0,
204 	.emif_rd_wr_lvl_ctl		= 0x0,
205 	.emif_rd_wr_exec_thresh		= 0x80000405,
206 	.emif_prio_class_serv_map	= 0x80000001,
207 	.emif_connect_id_serv_1_map	= 0x80000094,
208 	.emif_connect_id_serv_2_map	= 0x00000000,
209 	.emif_cos_config		= 0x000FFFFF
210 };
211 
212 /* EMIF DDR3 Configurations are different for beta AM43X GP EVMs */
213 const struct emif_regs ddr3_emif_regs_400Mhz_beta = {
214 	.sdram_config			= 0x638413B2,
215 	.ref_ctrl			= 0x00000C30,
216 	.sdram_tim1			= 0xEAAAD4DB,
217 	.sdram_tim2			= 0x266B7FDA,
218 	.sdram_tim3			= 0x107F8678,
219 	.read_idle_ctrl			= 0x00050000,
220 	.zq_config			= 0x50074BE4,
221 	.temp_alert_config		= 0x0,
222 	.emif_ddr_phy_ctlr_1		= 0x0E004008,
223 	.emif_ddr_ext_phy_ctrl_1	= 0x08020080,
224 	.emif_ddr_ext_phy_ctrl_2	= 0x00000065,
225 	.emif_ddr_ext_phy_ctrl_3	= 0x00000091,
226 	.emif_ddr_ext_phy_ctrl_4	= 0x000000B5,
227 	.emif_ddr_ext_phy_ctrl_5	= 0x000000E5,
228 	.emif_rd_wr_exec_thresh		= 0x80000405,
229 	.emif_prio_class_serv_map	= 0x80000001,
230 	.emif_connect_id_serv_1_map	= 0x80000094,
231 	.emif_connect_id_serv_2_map	= 0x00000000,
232 	.emif_cos_config		= 0x000FFFFF
233 };
234 
235 /* EMIF DDR3 Configurations are different for production AM43X GP EVMs */
236 const struct emif_regs ddr3_emif_regs_400Mhz_production = {
237 	.sdram_config			= 0x638413B2,
238 	.ref_ctrl			= 0x00000C30,
239 	.sdram_tim1			= 0xEAAAD4DB,
240 	.sdram_tim2			= 0x266B7FDA,
241 	.sdram_tim3			= 0x107F8678,
242 	.read_idle_ctrl			= 0x00050000,
243 	.zq_config			= 0x50074BE4,
244 	.temp_alert_config		= 0x0,
245 	.emif_ddr_phy_ctlr_1		= 0x0E004008,
246 	.emif_ddr_ext_phy_ctrl_1	= 0x08020080,
247 	.emif_ddr_ext_phy_ctrl_2	= 0x00000066,
248 	.emif_ddr_ext_phy_ctrl_3	= 0x00000091,
249 	.emif_ddr_ext_phy_ctrl_4	= 0x000000B9,
250 	.emif_ddr_ext_phy_ctrl_5	= 0x000000E6,
251 	.emif_rd_wr_exec_thresh		= 0x80000405,
252 	.emif_prio_class_serv_map	= 0x80000001,
253 	.emif_connect_id_serv_1_map	= 0x80000094,
254 	.emif_connect_id_serv_2_map	= 0x00000000,
255 	.emif_cos_config		= 0x000FFFFF
256 };
257 
258 static const struct emif_regs ddr3_sk_emif_regs_400Mhz = {
259 	.sdram_config			= 0x638413b2,
260 	.sdram_config2			= 0x00000000,
261 	.ref_ctrl			= 0x00000c30,
262 	.sdram_tim1			= 0xeaaad4db,
263 	.sdram_tim2			= 0x266b7fda,
264 	.sdram_tim3			= 0x107f8678,
265 	.read_idle_ctrl			= 0x00050000,
266 	.zq_config			= 0x50074be4,
267 	.temp_alert_config		= 0x0,
268 	.emif_ddr_phy_ctlr_1		= 0x0e084008,
269 	.emif_ddr_ext_phy_ctrl_1	= 0x08020080,
270 	.emif_ddr_ext_phy_ctrl_2	= 0x89,
271 	.emif_ddr_ext_phy_ctrl_3	= 0x90,
272 	.emif_ddr_ext_phy_ctrl_4	= 0x8e,
273 	.emif_ddr_ext_phy_ctrl_5	= 0x8d,
274 	.emif_rd_wr_lvl_rmp_win		= 0x0,
275 	.emif_rd_wr_lvl_rmp_ctl		= 0x00000000,
276 	.emif_rd_wr_lvl_ctl		= 0x00000000,
277 	.emif_rd_wr_exec_thresh		= 0x80000000,
278 	.emif_prio_class_serv_map	= 0x80000001,
279 	.emif_connect_id_serv_1_map	= 0x80000094,
280 	.emif_connect_id_serv_2_map	= 0x00000000,
281 	.emif_cos_config		= 0x000FFFFF
282 };
283 
284 static const struct emif_regs ddr3_idk_emif_regs_400Mhz = {
285 	.sdram_config			= 0x61a11b32,
286 	.sdram_config2			= 0x00000000,
287 	.ref_ctrl			= 0x00000c30,
288 	.sdram_tim1			= 0xeaaad4db,
289 	.sdram_tim2			= 0x266b7fda,
290 	.sdram_tim3			= 0x107f8678,
291 	.read_idle_ctrl			= 0x00050000,
292 	.zq_config			= 0x50074be4,
293 	.temp_alert_config		= 0x00000000,
294 	.emif_ddr_phy_ctlr_1		= 0x00008009,
295 	.emif_ddr_ext_phy_ctrl_1	= 0x08020080,
296 	.emif_ddr_ext_phy_ctrl_2	= 0x00000040,
297 	.emif_ddr_ext_phy_ctrl_3	= 0x0000003e,
298 	.emif_ddr_ext_phy_ctrl_4	= 0x00000051,
299 	.emif_ddr_ext_phy_ctrl_5	= 0x00000051,
300 	.emif_rd_wr_lvl_rmp_win		= 0x00000000,
301 	.emif_rd_wr_lvl_rmp_ctl		= 0x00000000,
302 	.emif_rd_wr_lvl_ctl		= 0x00000000,
303 	.emif_rd_wr_exec_thresh		= 0x00000405,
304 	.emif_prio_class_serv_map	= 0x00000000,
305 	.emif_connect_id_serv_1_map	= 0x00000000,
306 	.emif_connect_id_serv_2_map	= 0x00000000,
307 	.emif_cos_config		= 0x00ffffff
308 };
309 
310 void emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size)
311 {
312 	if (board_is_eposevm()) {
313 		*regs = ext_phy_ctrl_const_base_lpddr2;
314 		*size = ARRAY_SIZE(ext_phy_ctrl_const_base_lpddr2);
315 	}
316 
317 	return;
318 }
319 
320 const struct dpll_params *get_dpll_ddr_params(void)
321 {
322 	int ind = get_sys_clk_index();
323 
324 	if (board_is_eposevm())
325 		return &epos_evm_dpll_ddr[ind];
326 	else if (board_is_evm() || board_is_sk())
327 		return &gp_evm_dpll_ddr;
328 	else if (board_is_idk())
329 		return &idk_dpll_ddr;
330 
331 	printf(" Board '%s' not supported\n", board_ti_get_name());
332 	return NULL;
333 }
334 
335 
336 /*
337  * get_opp_offset:
338  * Returns the index for safest OPP of the device to boot.
339  * max_off:	Index of the MAX OPP in DEV ATTRIBUTE register.
340  * min_off:	Index of the MIN OPP in DEV ATTRIBUTE register.
341  * This data is read from dev_attribute register which is e-fused.
342  * A'1' in bit indicates OPP disabled and not available, a '0' indicates
343  * OPP available. Lowest OPP starts with min_off. So returning the
344  * bit with rightmost '0'.
345  */
346 static int get_opp_offset(int max_off, int min_off)
347 {
348 	struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE;
349 	int opp, offset, i;
350 
351 	/* Bits 0:11 are defined to be the MPU_MAX_FREQ */
352 	opp = readl(&ctrl->dev_attr) & ~0xFFFFF000;
353 
354 	for (i = max_off; i >= min_off; i--) {
355 		offset = opp & (1 << i);
356 		if (!offset)
357 			return i;
358 	}
359 
360 	return min_off;
361 }
362 
363 const struct dpll_params *get_dpll_mpu_params(void)
364 {
365 	int opp = get_opp_offset(DEV_ATTR_MAX_OFFSET, DEV_ATTR_MIN_OFFSET);
366 	u32 ind = get_sys_clk_index();
367 
368 	return &dpll_mpu[ind][opp];
369 }
370 
371 const struct dpll_params *get_dpll_core_params(void)
372 {
373 	int ind = get_sys_clk_index();
374 
375 	return &dpll_core[ind];
376 }
377 
378 const struct dpll_params *get_dpll_per_params(void)
379 {
380 	int ind = get_sys_clk_index();
381 
382 	return &dpll_per[ind];
383 }
384 
385 void scale_vcores_generic(u32 m)
386 {
387 	int mpu_vdd;
388 
389 	if (i2c_probe(TPS65218_CHIP_PM))
390 		return;
391 
392 	switch (m) {
393 	case 1000:
394 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1330MV;
395 		break;
396 	case 800:
397 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1260MV;
398 		break;
399 	case 720:
400 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1200MV;
401 		break;
402 	case 600:
403 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1100MV;
404 		break;
405 	case 300:
406 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_0950MV;
407 		break;
408 	default:
409 		puts("Unknown MPU clock, not scaling\n");
410 		return;
411 	}
412 
413 	/* Set DCDC1 (CORE) voltage to 1.1V */
414 	if (tps65218_voltage_update(TPS65218_DCDC1,
415 				    TPS65218_DCDC_VOLT_SEL_1100MV)) {
416 		printf("%s failure\n", __func__);
417 		return;
418 	}
419 
420 	/* Set DCDC2 (MPU) voltage */
421 	if (tps65218_voltage_update(TPS65218_DCDC2, mpu_vdd)) {
422 		printf("%s failure\n", __func__);
423 		return;
424 	}
425 
426 	/* Set DCDC3 (DDR) voltage */
427 	if (tps65218_voltage_update(TPS65218_DCDC3,
428 	    TPS65218_DCDC3_VOLT_SEL_1350MV)) {
429 		printf("%s failure\n", __func__);
430 		return;
431 	}
432 }
433 
434 void scale_vcores_idk(u32 m)
435 {
436 	int mpu_vdd;
437 
438 	if (i2c_probe(TPS62362_I2C_ADDR))
439 		return;
440 
441 	switch (m) {
442 	case 1000:
443 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV;
444 		break;
445 	case 800:
446 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1260MV;
447 		break;
448 	case 720:
449 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1200MV;
450 		break;
451 	case 600:
452 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1100MV;
453 		break;
454 	case 300:
455 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV;
456 		break;
457 	default:
458 		puts("Unknown MPU clock, not scaling\n");
459 		return;
460 	}
461 
462 	/* Set VDD_MPU voltage */
463 	if (tps62362_voltage_update(TPS62362_SET3, mpu_vdd)) {
464 		printf("%s failure\n", __func__);
465 		return;
466 	}
467 }
468 
469 void gpi2c_init(void)
470 {
471 	/* When needed to be invoked prior to BSS initialization */
472 	static bool first_time = true;
473 
474 	if (first_time) {
475 		enable_i2c0_pin_mux();
476 		i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED,
477 			 CONFIG_SYS_OMAP24_I2C_SLAVE);
478 		first_time = false;
479 	}
480 }
481 
482 void scale_vcores(void)
483 {
484 	const struct dpll_params *mpu_params;
485 
486 	/* Ensure I2C is initialized for PMIC configuration */
487 	gpi2c_init();
488 
489 	/* Get the frequency */
490 	mpu_params = get_dpll_mpu_params();
491 
492 	if (board_is_idk())
493 		scale_vcores_idk(mpu_params->m);
494 	else
495 		scale_vcores_generic(mpu_params->m);
496 }
497 
498 void set_uart_mux_conf(void)
499 {
500 	enable_uart0_pin_mux();
501 }
502 
503 void set_mux_conf_regs(void)
504 {
505 	enable_board_pin_mux();
506 }
507 
508 static void enable_vtt_regulator(void)
509 {
510 	u32 temp;
511 
512 	/* enable module */
513 	writel(GPIO_CTRL_ENABLEMODULE, AM33XX_GPIO5_BASE + OMAP_GPIO_CTRL);
514 
515 	/* enable output for GPIO5_7 */
516 	writel(GPIO_SETDATAOUT(7),
517 	       AM33XX_GPIO5_BASE + OMAP_GPIO_SETDATAOUT);
518 	temp = readl(AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
519 	temp = temp & ~(GPIO_OE_ENABLE(7));
520 	writel(temp, AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
521 }
522 
523 void sdram_init(void)
524 {
525 	/*
526 	 * EPOS EVM has 1GB LPDDR2 connected to EMIF.
527 	 * GP EMV has 1GB DDR3 connected to EMIF
528 	 * along with VTT regulator.
529 	 */
530 	if (board_is_eposevm()) {
531 		config_ddr(0, &ioregs_lpddr2, NULL, NULL, &emif_regs_lpddr2, 0);
532 	} else if (board_is_evm_14_or_later()) {
533 		enable_vtt_regulator();
534 		config_ddr(0, &ioregs_ddr3, NULL, NULL,
535 			   &ddr3_emif_regs_400Mhz_production, 0);
536 	} else if (board_is_evm_12_or_later()) {
537 		enable_vtt_regulator();
538 		config_ddr(0, &ioregs_ddr3, NULL, NULL,
539 			   &ddr3_emif_regs_400Mhz_beta, 0);
540 	} else if (board_is_evm()) {
541 		enable_vtt_regulator();
542 		config_ddr(0, &ioregs_ddr3, NULL, NULL,
543 			   &ddr3_emif_regs_400Mhz, 0);
544 	} else if (board_is_sk()) {
545 		config_ddr(400, &ioregs_ddr3, NULL, NULL,
546 			   &ddr3_sk_emif_regs_400Mhz, 0);
547 	} else if (board_is_idk()) {
548 		config_ddr(400, &ioregs_ddr3, NULL, NULL,
549 			   &ddr3_idk_emif_regs_400Mhz, 0);
550 	}
551 }
552 #endif
553 
554 /* setup board specific PMIC */
555 int power_init_board(void)
556 {
557 	struct pmic *p;
558 
559 	if (board_is_idk()) {
560 		power_tps62362_init(I2C_PMIC);
561 		p = pmic_get("TPS62362");
562 		if (p && !pmic_probe(p))
563 			puts("PMIC:  TPS62362\n");
564 	} else {
565 		power_tps65218_init(I2C_PMIC);
566 		p = pmic_get("TPS65218_PMIC");
567 		if (p && !pmic_probe(p))
568 			puts("PMIC:  TPS65218\n");
569 	}
570 
571 	return 0;
572 }
573 
574 int board_init(void)
575 {
576 	struct l3f_cfg_bwlimiter *bwlimiter = (struct l3f_cfg_bwlimiter *)L3F_CFG_BWLIMITER;
577 	u32 mreqprio_0, mreqprio_1, modena_init0_bw_fractional,
578 	    modena_init0_bw_integer, modena_init0_watermark_0;
579 
580 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
581 	gpmc_init();
582 
583 	/*
584 	 * Call this to initialize *ctrl again
585 	 */
586 	hw_data_init();
587 
588 	/* Clear all important bits for DSS errata that may need to be tweaked*/
589 	mreqprio_0 = readl(&cdev->mreqprio_0) & MREQPRIO_0_SAB_INIT1_MASK &
590 	                   MREQPRIO_0_SAB_INIT0_MASK;
591 
592 	mreqprio_1 = readl(&cdev->mreqprio_1) & MREQPRIO_1_DSS_MASK;
593 
594 	modena_init0_bw_fractional = readl(&bwlimiter->modena_init0_bw_fractional) &
595 	                                   BW_LIMITER_BW_FRAC_MASK;
596 
597 	modena_init0_bw_integer = readl(&bwlimiter->modena_init0_bw_integer) &
598 	                                BW_LIMITER_BW_INT_MASK;
599 
600 	modena_init0_watermark_0 = readl(&bwlimiter->modena_init0_watermark_0) &
601 	                                 BW_LIMITER_BW_WATERMARK_MASK;
602 
603 	/* Setting MReq Priority of the DSS*/
604 	mreqprio_0 |= 0x77;
605 
606 	/*
607 	 * Set L3 Fast Configuration Register
608 	 * Limiting bandwith for ARM core to 700 MBPS
609 	 */
610 	modena_init0_bw_fractional |= 0x10;
611 	modena_init0_bw_integer |= 0x3;
612 
613 	writel(mreqprio_0, &cdev->mreqprio_0);
614 	writel(mreqprio_1, &cdev->mreqprio_1);
615 
616 	writel(modena_init0_bw_fractional, &bwlimiter->modena_init0_bw_fractional);
617 	writel(modena_init0_bw_integer, &bwlimiter->modena_init0_bw_integer);
618 	writel(modena_init0_watermark_0, &bwlimiter->modena_init0_watermark_0);
619 
620 	return 0;
621 }
622 
623 #ifdef CONFIG_BOARD_LATE_INIT
624 int board_late_init(void)
625 {
626 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
627 	set_board_info_env(NULL);
628 
629 	/*
630 	 * Default FIT boot on HS devices. Non FIT images are not allowed
631 	 * on HS devices.
632 	 */
633 	if (get_device_type() == HS_DEVICE)
634 		env_set("boot_fit", "1");
635 #endif
636 	return 0;
637 }
638 #endif
639 
640 #ifdef CONFIG_USB_DWC3
641 static struct dwc3_device usb_otg_ss1 = {
642 	.maximum_speed = USB_SPEED_HIGH,
643 	.base = USB_OTG_SS1_BASE,
644 	.tx_fifo_resize = false,
645 	.index = 0,
646 };
647 
648 static struct dwc3_omap_device usb_otg_ss1_glue = {
649 	.base = (void *)USB_OTG_SS1_GLUE_BASE,
650 	.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
651 	.index = 0,
652 };
653 
654 static struct ti_usb_phy_device usb_phy1_device = {
655 	.usb2_phy_power = (void *)USB2_PHY1_POWER,
656 	.index = 0,
657 };
658 
659 static struct dwc3_device usb_otg_ss2 = {
660 	.maximum_speed = USB_SPEED_HIGH,
661 	.base = USB_OTG_SS2_BASE,
662 	.tx_fifo_resize = false,
663 	.index = 1,
664 };
665 
666 static struct dwc3_omap_device usb_otg_ss2_glue = {
667 	.base = (void *)USB_OTG_SS2_GLUE_BASE,
668 	.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
669 	.index = 1,
670 };
671 
672 static struct ti_usb_phy_device usb_phy2_device = {
673 	.usb2_phy_power = (void *)USB2_PHY2_POWER,
674 	.index = 1,
675 };
676 
677 int usb_gadget_handle_interrupts(int index)
678 {
679 	u32 status;
680 
681 	status = dwc3_omap_uboot_interrupt_status(index);
682 	if (status)
683 		dwc3_uboot_handle_interrupt(index);
684 
685 	return 0;
686 }
687 #endif /* CONFIG_USB_DWC3 */
688 
689 #if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP)
690 int board_usb_init(int index, enum usb_init_type init)
691 {
692 	enable_usb_clocks(index);
693 #ifdef CONFIG_USB_DWC3
694 	switch (index) {
695 	case 0:
696 		if (init == USB_INIT_DEVICE) {
697 			usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL;
698 			usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
699 			dwc3_omap_uboot_init(&usb_otg_ss1_glue);
700 			ti_usb_phy_uboot_init(&usb_phy1_device);
701 			dwc3_uboot_init(&usb_otg_ss1);
702 		}
703 		break;
704 	case 1:
705 		if (init == USB_INIT_DEVICE) {
706 			usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL;
707 			usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
708 			ti_usb_phy_uboot_init(&usb_phy2_device);
709 			dwc3_omap_uboot_init(&usb_otg_ss2_glue);
710 			dwc3_uboot_init(&usb_otg_ss2);
711 		}
712 		break;
713 	default:
714 		printf("Invalid Controller Index\n");
715 	}
716 #endif
717 
718 	return 0;
719 }
720 
721 int board_usb_cleanup(int index, enum usb_init_type init)
722 {
723 #ifdef CONFIG_USB_DWC3
724 	switch (index) {
725 	case 0:
726 	case 1:
727 		if (init == USB_INIT_DEVICE) {
728 			ti_usb_phy_uboot_exit(index);
729 			dwc3_uboot_exit(index);
730 			dwc3_omap_uboot_exit(index);
731 		}
732 		break;
733 	default:
734 		printf("Invalid Controller Index\n");
735 	}
736 #endif
737 	disable_usb_clocks(index);
738 
739 	return 0;
740 }
741 #endif /* defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP) */
742 
743 #ifdef CONFIG_DRIVER_TI_CPSW
744 
745 static void cpsw_control(int enabled)
746 {
747 	/* Additional controls can be added here */
748 	return;
749 }
750 
751 static struct cpsw_slave_data cpsw_slaves[] = {
752 	{
753 		.slave_reg_ofs	= 0x208,
754 		.sliver_reg_ofs	= 0xd80,
755 		.phy_addr	= 16,
756 	},
757 	{
758 		.slave_reg_ofs	= 0x308,
759 		.sliver_reg_ofs	= 0xdc0,
760 		.phy_addr	= 1,
761 	},
762 };
763 
764 static struct cpsw_platform_data cpsw_data = {
765 	.mdio_base		= CPSW_MDIO_BASE,
766 	.cpsw_base		= CPSW_BASE,
767 	.mdio_div		= 0xff,
768 	.channels		= 8,
769 	.cpdma_reg_ofs		= 0x800,
770 	.slaves			= 1,
771 	.slave_data		= cpsw_slaves,
772 	.ale_reg_ofs		= 0xd00,
773 	.ale_entries		= 1024,
774 	.host_port_reg_ofs	= 0x108,
775 	.hw_stats_reg_ofs	= 0x900,
776 	.bd_ram_ofs		= 0x2000,
777 	.mac_control		= (1 << 5),
778 	.control		= cpsw_control,
779 	.host_port_num		= 0,
780 	.version		= CPSW_CTRL_VERSION_2,
781 };
782 
783 int board_eth_init(bd_t *bis)
784 {
785 	int rv;
786 	uint8_t mac_addr[6];
787 	uint32_t mac_hi, mac_lo;
788 
789 	/* try reading mac address from efuse */
790 	mac_lo = readl(&cdev->macid0l);
791 	mac_hi = readl(&cdev->macid0h);
792 	mac_addr[0] = mac_hi & 0xFF;
793 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
794 	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
795 	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
796 	mac_addr[4] = mac_lo & 0xFF;
797 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
798 
799 	if (!env_get("ethaddr")) {
800 		puts("<ethaddr> not set. Validating first E-fuse MAC\n");
801 		if (is_valid_ethaddr(mac_addr))
802 			eth_env_set_enetaddr("ethaddr", mac_addr);
803 	}
804 
805 	mac_lo = readl(&cdev->macid1l);
806 	mac_hi = readl(&cdev->macid1h);
807 	mac_addr[0] = mac_hi & 0xFF;
808 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
809 	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
810 	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
811 	mac_addr[4] = mac_lo & 0xFF;
812 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
813 
814 	if (!env_get("eth1addr")) {
815 		if (is_valid_ethaddr(mac_addr))
816 			eth_env_set_enetaddr("eth1addr", mac_addr);
817 	}
818 
819 	if (board_is_eposevm()) {
820 		writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
821 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
822 		cpsw_slaves[0].phy_addr = 16;
823 	} else if (board_is_sk()) {
824 		writel(RGMII_MODE_ENABLE, &cdev->miisel);
825 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
826 		cpsw_slaves[0].phy_addr = 4;
827 		cpsw_slaves[1].phy_addr = 5;
828 	} else if (board_is_idk()) {
829 		writel(RGMII_MODE_ENABLE, &cdev->miisel);
830 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
831 		cpsw_slaves[0].phy_addr = 0;
832 	} else {
833 		writel(RGMII_MODE_ENABLE, &cdev->miisel);
834 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
835 		cpsw_slaves[0].phy_addr = 0;
836 	}
837 
838 	rv = cpsw_register(&cpsw_data);
839 	if (rv < 0)
840 		printf("Error %d registering CPSW switch\n", rv);
841 
842 	return rv;
843 }
844 #endif
845 
846 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
847 int ft_board_setup(void *blob, bd_t *bd)
848 {
849 	ft_cpu_setup(blob, bd);
850 
851 	return 0;
852 }
853 #endif
854 
855 #ifdef CONFIG_SPL_LOAD_FIT
856 int board_fit_config_name_match(const char *name)
857 {
858 	if (board_is_evm() && !strcmp(name, "am437x-gp-evm"))
859 		return 0;
860 	else if (board_is_sk() && !strcmp(name, "am437x-sk-evm"))
861 		return 0;
862 	else if (board_is_eposevm() && !strcmp(name, "am43x-epos-evm"))
863 		return 0;
864 	else if (board_is_idk() && !strcmp(name, "am437x-idk-evm"))
865 		return 0;
866 	else
867 		return -1;
868 }
869 #endif
870 
871 #ifdef CONFIG_TI_SECURE_DEVICE
872 void board_fit_image_post_process(void **p_image, size_t *p_size)
873 {
874 	secure_boot_verify_image(p_image, p_size);
875 }
876 
877 void board_tee_image_process(ulong tee_image, size_t tee_size)
878 {
879 	secure_tee_install((u32)tee_image);
880 }
881 
882 U_BOOT_FIT_LOADABLE_HANDLER(IH_TYPE_TEE, board_tee_image_process);
883 #endif
884