xref: /openbmc/u-boot/board/ti/am43xx/board.c (revision eb5ba3ae)
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 "../common/board_detect.h"
24 #include "board.h"
25 #include <power/pmic.h>
26 #include <power/tps65218.h>
27 #include <power/tps62362.h>
28 #include <miiphy.h>
29 #include <cpsw.h>
30 #include <linux/usb/gadget.h>
31 #include <dwc3-uboot.h>
32 #include <dwc3-omap-uboot.h>
33 #include <ti-usb-phy-uboot.h>
34 
35 DECLARE_GLOBAL_DATA_PTR;
36 
37 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
38 
39 /*
40  * Read header information from EEPROM into global structure.
41  */
42 #ifdef CONFIG_TI_I2C_BOARD_DETECT
43 void do_board_detect(void)
44 {
45 	if (ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR))
46 		printf("ti_i2c_eeprom_init failed\n");
47 }
48 #endif
49 
50 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
51 
52 const struct dpll_params dpll_mpu[NUM_CRYSTAL_FREQ][NUM_OPPS] = {
53 	{	/* 19.2 MHz */
54 		{125, 3, 2, -1, -1, -1, -1},	/* OPP 50 */
55 		{-1, -1, -1, -1, -1, -1, -1},	/* OPP RESERVED	*/
56 		{125, 3, 1, -1, -1, -1, -1},	/* OPP 100 */
57 		{150, 3, 1, -1, -1, -1, -1},	/* OPP 120 */
58 		{125, 2, 1, -1, -1, -1, -1},	/* OPP TB */
59 		{625, 11, 1, -1, -1, -1, -1}	/* OPP NT */
60 	},
61 	{	/* 24 MHz */
62 		{300, 23, 1, -1, -1, -1, -1},	/* OPP 50 */
63 		{-1, -1, -1, -1, -1, -1, -1},	/* OPP RESERVED	*/
64 		{600, 23, 1, -1, -1, -1, -1},	/* OPP 100 */
65 		{720, 23, 1, -1, -1, -1, -1},	/* OPP 120 */
66 		{800, 23, 1, -1, -1, -1, -1},	/* OPP TB */
67 		{1000, 23, 1, -1, -1, -1, -1}	/* OPP NT */
68 	},
69 	{	/* 25 MHz */
70 		{300, 24, 1, -1, -1, -1, -1},	/* OPP 50 */
71 		{-1, -1, -1, -1, -1, -1, -1},	/* OPP RESERVED	*/
72 		{600, 24, 1, -1, -1, -1, -1},	/* OPP 100 */
73 		{720, 24, 1, -1, -1, -1, -1},	/* OPP 120 */
74 		{800, 24, 1, -1, -1, -1, -1},	/* OPP TB */
75 		{1000, 24, 1, -1, -1, -1, -1}	/* OPP NT */
76 	},
77 	{	/* 26 MHz */
78 		{300, 25, 1, -1, -1, -1, -1},	/* OPP 50 */
79 		{-1, -1, -1, -1, -1, -1, -1},	/* OPP RESERVED	*/
80 		{600, 25, 1, -1, -1, -1, -1},	/* OPP 100 */
81 		{720, 25, 1, -1, -1, -1, -1},	/* OPP 120 */
82 		{800, 25, 1, -1, -1, -1, -1},	/* OPP TB */
83 		{1000, 25, 1, -1, -1, -1, -1}	/* OPP NT */
84 	},
85 };
86 
87 const struct dpll_params dpll_core[NUM_CRYSTAL_FREQ] = {
88 		{625, 11, -1, -1, 10, 8, 4},	/* 19.2 MHz */
89 		{1000, 23, -1, -1, 10, 8, 4},	/* 24 MHz */
90 		{1000, 24, -1, -1, 10, 8, 4},	/* 25 MHz */
91 		{1000, 25, -1, -1, 10, 8, 4}	/* 26 MHz */
92 };
93 
94 const struct dpll_params dpll_per[NUM_CRYSTAL_FREQ] = {
95 		{400, 7, 5, -1, -1, -1, -1},	/* 19.2 MHz */
96 		{400, 9, 5, -1, -1, -1, -1},	/* 24 MHz */
97 		{384, 9, 5, -1, -1, -1, -1},	/* 25 MHz */
98 		{480, 12, 5, -1, -1, -1, -1}	/* 26 MHz */
99 };
100 
101 const struct dpll_params epos_evm_dpll_ddr[NUM_CRYSTAL_FREQ] = {
102 		{665, 47, 1, -1, 4, -1, -1}, /*19.2*/
103 		{133, 11, 1, -1, 4, -1, -1}, /* 24 MHz */
104 		{266, 24, 1, -1, 4, -1, -1}, /* 25 MHz */
105 		{133, 12, 1, -1, 4, -1, -1}  /* 26 MHz */
106 };
107 
108 const struct dpll_params gp_evm_dpll_ddr = {
109 		50, 2, 1, -1, 2, -1, -1};
110 
111 static const struct dpll_params idk_dpll_ddr = {
112 	400, 23, 1, -1, 2, -1, -1
113 };
114 
115 static const u32 ext_phy_ctrl_const_base_lpddr2[] = {
116 	0x00500050,
117 	0x00350035,
118 	0x00350035,
119 	0x00350035,
120 	0x00350035,
121 	0x00350035,
122 	0x00000000,
123 	0x00000000,
124 	0x00000000,
125 	0x00000000,
126 	0x00000000,
127 	0x00000000,
128 	0x00000000,
129 	0x00000000,
130 	0x00000000,
131 	0x00000000,
132 	0x00000000,
133 	0x00000000,
134 	0x40001000,
135 	0x08102040
136 };
137 
138 const struct ctrl_ioregs ioregs_lpddr2 = {
139 	.cm0ioctl		= LPDDR2_ADDRCTRL_IOCTRL_VALUE,
140 	.cm1ioctl		= LPDDR2_ADDRCTRL_WD0_IOCTRL_VALUE,
141 	.cm2ioctl		= LPDDR2_ADDRCTRL_WD1_IOCTRL_VALUE,
142 	.dt0ioctl		= LPDDR2_DATA0_IOCTRL_VALUE,
143 	.dt1ioctl		= LPDDR2_DATA0_IOCTRL_VALUE,
144 	.dt2ioctrl		= LPDDR2_DATA0_IOCTRL_VALUE,
145 	.dt3ioctrl		= LPDDR2_DATA0_IOCTRL_VALUE,
146 	.emif_sdram_config_ext	= 0x1,
147 };
148 
149 const struct emif_regs emif_regs_lpddr2 = {
150 	.sdram_config			= 0x808012BA,
151 	.ref_ctrl			= 0x0000040D,
152 	.sdram_tim1			= 0xEA86B411,
153 	.sdram_tim2			= 0x103A094A,
154 	.sdram_tim3			= 0x0F6BA37F,
155 	.read_idle_ctrl			= 0x00050000,
156 	.zq_config			= 0x50074BE4,
157 	.temp_alert_config		= 0x0,
158 	.emif_rd_wr_lvl_rmp_win		= 0x0,
159 	.emif_rd_wr_lvl_rmp_ctl		= 0x0,
160 	.emif_rd_wr_lvl_ctl		= 0x0,
161 	.emif_ddr_phy_ctlr_1		= 0x0E284006,
162 	.emif_rd_wr_exec_thresh		= 0x80000405,
163 	.emif_ddr_ext_phy_ctrl_1	= 0x04010040,
164 	.emif_ddr_ext_phy_ctrl_2	= 0x00500050,
165 	.emif_ddr_ext_phy_ctrl_3	= 0x00500050,
166 	.emif_ddr_ext_phy_ctrl_4	= 0x00500050,
167 	.emif_ddr_ext_phy_ctrl_5	= 0x00500050,
168 	.emif_prio_class_serv_map	= 0x80000001,
169 	.emif_connect_id_serv_1_map	= 0x80000094,
170 	.emif_connect_id_serv_2_map	= 0x00000000,
171 	.emif_cos_config			= 0x000FFFFF
172 };
173 
174 const struct ctrl_ioregs ioregs_ddr3 = {
175 	.cm0ioctl		= DDR3_ADDRCTRL_IOCTRL_VALUE,
176 	.cm1ioctl		= DDR3_ADDRCTRL_WD0_IOCTRL_VALUE,
177 	.cm2ioctl		= DDR3_ADDRCTRL_WD1_IOCTRL_VALUE,
178 	.dt0ioctl		= DDR3_DATA0_IOCTRL_VALUE,
179 	.dt1ioctl		= DDR3_DATA0_IOCTRL_VALUE,
180 	.dt2ioctrl		= DDR3_DATA0_IOCTRL_VALUE,
181 	.dt3ioctrl		= DDR3_DATA0_IOCTRL_VALUE,
182 	.emif_sdram_config_ext	= 0xc163,
183 };
184 
185 const struct emif_regs ddr3_emif_regs_400Mhz = {
186 	.sdram_config			= 0x638413B2,
187 	.ref_ctrl			= 0x00000C30,
188 	.sdram_tim1			= 0xEAAAD4DB,
189 	.sdram_tim2			= 0x266B7FDA,
190 	.sdram_tim3			= 0x107F8678,
191 	.read_idle_ctrl			= 0x00050000,
192 	.zq_config			= 0x50074BE4,
193 	.temp_alert_config		= 0x0,
194 	.emif_ddr_phy_ctlr_1		= 0x0E004008,
195 	.emif_ddr_ext_phy_ctrl_1	= 0x08020080,
196 	.emif_ddr_ext_phy_ctrl_2	= 0x00400040,
197 	.emif_ddr_ext_phy_ctrl_3	= 0x00400040,
198 	.emif_ddr_ext_phy_ctrl_4	= 0x00400040,
199 	.emif_ddr_ext_phy_ctrl_5	= 0x00400040,
200 	.emif_rd_wr_lvl_rmp_win		= 0x0,
201 	.emif_rd_wr_lvl_rmp_ctl		= 0x0,
202 	.emif_rd_wr_lvl_ctl		= 0x0,
203 	.emif_rd_wr_exec_thresh		= 0x80000405,
204 	.emif_prio_class_serv_map	= 0x80000001,
205 	.emif_connect_id_serv_1_map	= 0x80000094,
206 	.emif_connect_id_serv_2_map	= 0x00000000,
207 	.emif_cos_config		= 0x000FFFFF
208 };
209 
210 /* EMIF DDR3 Configurations are different for beta AM43X GP EVMs */
211 const struct emif_regs ddr3_emif_regs_400Mhz_beta = {
212 	.sdram_config			= 0x638413B2,
213 	.ref_ctrl			= 0x00000C30,
214 	.sdram_tim1			= 0xEAAAD4DB,
215 	.sdram_tim2			= 0x266B7FDA,
216 	.sdram_tim3			= 0x107F8678,
217 	.read_idle_ctrl			= 0x00050000,
218 	.zq_config			= 0x50074BE4,
219 	.temp_alert_config		= 0x0,
220 	.emif_ddr_phy_ctlr_1		= 0x0E004008,
221 	.emif_ddr_ext_phy_ctrl_1	= 0x08020080,
222 	.emif_ddr_ext_phy_ctrl_2	= 0x00000065,
223 	.emif_ddr_ext_phy_ctrl_3	= 0x00000091,
224 	.emif_ddr_ext_phy_ctrl_4	= 0x000000B5,
225 	.emif_ddr_ext_phy_ctrl_5	= 0x000000E5,
226 	.emif_rd_wr_exec_thresh		= 0x80000405,
227 	.emif_prio_class_serv_map	= 0x80000001,
228 	.emif_connect_id_serv_1_map	= 0x80000094,
229 	.emif_connect_id_serv_2_map	= 0x00000000,
230 	.emif_cos_config		= 0x000FFFFF
231 };
232 
233 /* EMIF DDR3 Configurations are different for production AM43X GP EVMs */
234 const struct emif_regs ddr3_emif_regs_400Mhz_production = {
235 	.sdram_config			= 0x638413B2,
236 	.ref_ctrl			= 0x00000C30,
237 	.sdram_tim1			= 0xEAAAD4DB,
238 	.sdram_tim2			= 0x266B7FDA,
239 	.sdram_tim3			= 0x107F8678,
240 	.read_idle_ctrl			= 0x00050000,
241 	.zq_config			= 0x50074BE4,
242 	.temp_alert_config		= 0x0,
243 	.emif_ddr_phy_ctlr_1		= 0x0E004008,
244 	.emif_ddr_ext_phy_ctrl_1	= 0x08020080,
245 	.emif_ddr_ext_phy_ctrl_2	= 0x00000066,
246 	.emif_ddr_ext_phy_ctrl_3	= 0x00000091,
247 	.emif_ddr_ext_phy_ctrl_4	= 0x000000B9,
248 	.emif_ddr_ext_phy_ctrl_5	= 0x000000E6,
249 	.emif_rd_wr_exec_thresh		= 0x80000405,
250 	.emif_prio_class_serv_map	= 0x80000001,
251 	.emif_connect_id_serv_1_map	= 0x80000094,
252 	.emif_connect_id_serv_2_map	= 0x00000000,
253 	.emif_cos_config		= 0x000FFFFF
254 };
255 
256 static const struct emif_regs ddr3_sk_emif_regs_400Mhz = {
257 	.sdram_config			= 0x638413b2,
258 	.sdram_config2			= 0x00000000,
259 	.ref_ctrl			= 0x00000c30,
260 	.sdram_tim1			= 0xeaaad4db,
261 	.sdram_tim2			= 0x266b7fda,
262 	.sdram_tim3			= 0x107f8678,
263 	.read_idle_ctrl			= 0x00050000,
264 	.zq_config			= 0x50074be4,
265 	.temp_alert_config		= 0x0,
266 	.emif_ddr_phy_ctlr_1		= 0x0e084008,
267 	.emif_ddr_ext_phy_ctrl_1	= 0x08020080,
268 	.emif_ddr_ext_phy_ctrl_2	= 0x89,
269 	.emif_ddr_ext_phy_ctrl_3	= 0x90,
270 	.emif_ddr_ext_phy_ctrl_4	= 0x8e,
271 	.emif_ddr_ext_phy_ctrl_5	= 0x8d,
272 	.emif_rd_wr_lvl_rmp_win		= 0x0,
273 	.emif_rd_wr_lvl_rmp_ctl		= 0x00000000,
274 	.emif_rd_wr_lvl_ctl		= 0x00000000,
275 	.emif_rd_wr_exec_thresh		= 0x80000000,
276 	.emif_prio_class_serv_map	= 0x80000001,
277 	.emif_connect_id_serv_1_map	= 0x80000094,
278 	.emif_connect_id_serv_2_map	= 0x00000000,
279 	.emif_cos_config		= 0x000FFFFF
280 };
281 
282 static const struct emif_regs ddr3_idk_emif_regs_400Mhz = {
283 	.sdram_config			= 0x61a11b32,
284 	.sdram_config2			= 0x00000000,
285 	.ref_ctrl			= 0x00000c30,
286 	.sdram_tim1			= 0xeaaad4db,
287 	.sdram_tim2			= 0x266b7fda,
288 	.sdram_tim3			= 0x107f8678,
289 	.read_idle_ctrl			= 0x00050000,
290 	.zq_config			= 0x50074be4,
291 	.temp_alert_config		= 0x00000000,
292 	.emif_ddr_phy_ctlr_1		= 0x00008009,
293 	.emif_ddr_ext_phy_ctrl_1	= 0x08020080,
294 	.emif_ddr_ext_phy_ctrl_2	= 0x00000040,
295 	.emif_ddr_ext_phy_ctrl_3	= 0x0000003e,
296 	.emif_ddr_ext_phy_ctrl_4	= 0x00000051,
297 	.emif_ddr_ext_phy_ctrl_5	= 0x00000051,
298 	.emif_rd_wr_lvl_rmp_win		= 0x00000000,
299 	.emif_rd_wr_lvl_rmp_ctl		= 0x00000000,
300 	.emif_rd_wr_lvl_ctl		= 0x00000000,
301 	.emif_rd_wr_exec_thresh		= 0x00000405,
302 	.emif_prio_class_serv_map	= 0x00000000,
303 	.emif_connect_id_serv_1_map	= 0x00000000,
304 	.emif_connect_id_serv_2_map	= 0x00000000,
305 	.emif_cos_config		= 0x00ffffff
306 };
307 
308 void emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size)
309 {
310 	if (board_is_eposevm()) {
311 		*regs = ext_phy_ctrl_const_base_lpddr2;
312 		*size = ARRAY_SIZE(ext_phy_ctrl_const_base_lpddr2);
313 	}
314 
315 	return;
316 }
317 
318 const struct dpll_params *get_dpll_ddr_params(void)
319 {
320 	int ind = get_sys_clk_index();
321 
322 	if (board_is_eposevm())
323 		return &epos_evm_dpll_ddr[ind];
324 	else if (board_is_evm() || board_is_sk())
325 		return &gp_evm_dpll_ddr;
326 	else if (board_is_idk())
327 		return &idk_dpll_ddr;
328 
329 	printf(" Board '%s' not supported\n", board_ti_get_name());
330 	return NULL;
331 }
332 
333 
334 /*
335  * get_opp_offset:
336  * Returns the index for safest OPP of the device to boot.
337  * max_off:	Index of the MAX OPP in DEV ATTRIBUTE register.
338  * min_off:	Index of the MIN OPP in DEV ATTRIBUTE register.
339  * This data is read from dev_attribute register which is e-fused.
340  * A'1' in bit indicates OPP disabled and not available, a '0' indicates
341  * OPP available. Lowest OPP starts with min_off. So returning the
342  * bit with rightmost '0'.
343  */
344 static int get_opp_offset(int max_off, int min_off)
345 {
346 	struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE;
347 	int opp, offset, i;
348 
349 	/* Bits 0:11 are defined to be the MPU_MAX_FREQ */
350 	opp = readl(&ctrl->dev_attr) & ~0xFFFFF000;
351 
352 	for (i = max_off; i >= min_off; i--) {
353 		offset = opp & (1 << i);
354 		if (!offset)
355 			return i;
356 	}
357 
358 	return min_off;
359 }
360 
361 const struct dpll_params *get_dpll_mpu_params(void)
362 {
363 	int opp = get_opp_offset(DEV_ATTR_MAX_OFFSET, DEV_ATTR_MIN_OFFSET);
364 	u32 ind = get_sys_clk_index();
365 
366 	return &dpll_mpu[ind][opp];
367 }
368 
369 const struct dpll_params *get_dpll_core_params(void)
370 {
371 	int ind = get_sys_clk_index();
372 
373 	return &dpll_core[ind];
374 }
375 
376 const struct dpll_params *get_dpll_per_params(void)
377 {
378 	int ind = get_sys_clk_index();
379 
380 	return &dpll_per[ind];
381 }
382 
383 void scale_vcores_generic(u32 m)
384 {
385 	int mpu_vdd;
386 
387 	if (i2c_probe(TPS65218_CHIP_PM))
388 		return;
389 
390 	switch (m) {
391 	case 1000:
392 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1330MV;
393 		break;
394 	case 800:
395 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1260MV;
396 		break;
397 	case 720:
398 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1200MV;
399 		break;
400 	case 600:
401 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1100MV;
402 		break;
403 	case 300:
404 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_0950MV;
405 		break;
406 	default:
407 		puts("Unknown MPU clock, not scaling\n");
408 		return;
409 	}
410 
411 	/* Set DCDC1 (CORE) voltage to 1.1V */
412 	if (tps65218_voltage_update(TPS65218_DCDC1,
413 				    TPS65218_DCDC_VOLT_SEL_1100MV)) {
414 		printf("%s failure\n", __func__);
415 		return;
416 	}
417 
418 	/* Set DCDC2 (MPU) voltage */
419 	if (tps65218_voltage_update(TPS65218_DCDC2, mpu_vdd)) {
420 		printf("%s failure\n", __func__);
421 		return;
422 	}
423 }
424 
425 void scale_vcores_idk(u32 m)
426 {
427 	int mpu_vdd;
428 
429 	if (i2c_probe(TPS62362_I2C_ADDR))
430 		return;
431 
432 	switch (m) {
433 	case 1000:
434 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV;
435 		break;
436 	case 800:
437 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1260MV;
438 		break;
439 	case 720:
440 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1200MV;
441 		break;
442 	case 600:
443 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1100MV;
444 		break;
445 	case 300:
446 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV;
447 		break;
448 	default:
449 		puts("Unknown MPU clock, not scaling\n");
450 		return;
451 	}
452 
453 	/* Set VDD_MPU voltage */
454 	if (tps62362_voltage_update(TPS62362_SET3, mpu_vdd)) {
455 		printf("%s failure\n", __func__);
456 		return;
457 	}
458 }
459 
460 void gpi2c_init(void)
461 {
462 	/* When needed to be invoked prior to BSS initialization */
463 	static bool first_time = true;
464 
465 	if (first_time) {
466 		enable_i2c0_pin_mux();
467 		i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED,
468 			 CONFIG_SYS_OMAP24_I2C_SLAVE);
469 		first_time = false;
470 	}
471 }
472 
473 void scale_vcores(void)
474 {
475 	const struct dpll_params *mpu_params;
476 
477 	/* Ensure I2C is initialized for PMIC configuration */
478 	gpi2c_init();
479 
480 	/* Get the frequency */
481 	mpu_params = get_dpll_mpu_params();
482 
483 	if (board_is_idk())
484 		scale_vcores_idk(mpu_params->m);
485 	else
486 		scale_vcores_generic(mpu_params->m);
487 }
488 
489 void set_uart_mux_conf(void)
490 {
491 	enable_uart0_pin_mux();
492 }
493 
494 void set_mux_conf_regs(void)
495 {
496 	enable_board_pin_mux();
497 }
498 
499 static void enable_vtt_regulator(void)
500 {
501 	u32 temp;
502 
503 	/* enable module */
504 	writel(GPIO_CTRL_ENABLEMODULE, AM33XX_GPIO5_BASE + OMAP_GPIO_CTRL);
505 
506 	/* enable output for GPIO5_7 */
507 	writel(GPIO_SETDATAOUT(7),
508 	       AM33XX_GPIO5_BASE + OMAP_GPIO_SETDATAOUT);
509 	temp = readl(AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
510 	temp = temp & ~(GPIO_OE_ENABLE(7));
511 	writel(temp, AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
512 }
513 
514 void sdram_init(void)
515 {
516 	/*
517 	 * EPOS EVM has 1GB LPDDR2 connected to EMIF.
518 	 * GP EMV has 1GB DDR3 connected to EMIF
519 	 * along with VTT regulator.
520 	 */
521 	if (board_is_eposevm()) {
522 		config_ddr(0, &ioregs_lpddr2, NULL, NULL, &emif_regs_lpddr2, 0);
523 	} else if (board_is_evm_14_or_later()) {
524 		enable_vtt_regulator();
525 		config_ddr(0, &ioregs_ddr3, NULL, NULL,
526 			   &ddr3_emif_regs_400Mhz_production, 0);
527 	} else if (board_is_evm_12_or_later()) {
528 		enable_vtt_regulator();
529 		config_ddr(0, &ioregs_ddr3, NULL, NULL,
530 			   &ddr3_emif_regs_400Mhz_beta, 0);
531 	} else if (board_is_evm()) {
532 		enable_vtt_regulator();
533 		config_ddr(0, &ioregs_ddr3, NULL, NULL,
534 			   &ddr3_emif_regs_400Mhz, 0);
535 	} else if (board_is_sk()) {
536 		config_ddr(400, &ioregs_ddr3, NULL, NULL,
537 			   &ddr3_sk_emif_regs_400Mhz, 0);
538 	} else if (board_is_idk()) {
539 		config_ddr(400, &ioregs_ddr3, NULL, NULL,
540 			   &ddr3_idk_emif_regs_400Mhz, 0);
541 	}
542 }
543 #endif
544 
545 /* setup board specific PMIC */
546 int power_init_board(void)
547 {
548 	struct pmic *p;
549 
550 	if (board_is_idk()) {
551 		power_tps62362_init(I2C_PMIC);
552 		p = pmic_get("TPS62362");
553 		if (p && !pmic_probe(p))
554 			puts("PMIC:  TPS62362\n");
555 	} else {
556 		power_tps65218_init(I2C_PMIC);
557 		p = pmic_get("TPS65218_PMIC");
558 		if (p && !pmic_probe(p))
559 			puts("PMIC:  TPS65218\n");
560 	}
561 
562 	return 0;
563 }
564 
565 int board_init(void)
566 {
567 	struct l3f_cfg_bwlimiter *bwlimiter = (struct l3f_cfg_bwlimiter *)L3F_CFG_BWLIMITER;
568 	u32 mreqprio_0, mreqprio_1, modena_init0_bw_fractional,
569 	    modena_init0_bw_integer, modena_init0_watermark_0;
570 
571 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
572 	gpmc_init();
573 
574 	/* Clear all important bits for DSS errata that may need to be tweaked*/
575 	mreqprio_0 = readl(&cdev->mreqprio_0) & MREQPRIO_0_SAB_INIT1_MASK &
576 	                   MREQPRIO_0_SAB_INIT0_MASK;
577 
578 	mreqprio_1 = readl(&cdev->mreqprio_1) & MREQPRIO_1_DSS_MASK;
579 
580 	modena_init0_bw_fractional = readl(&bwlimiter->modena_init0_bw_fractional) &
581 	                                   BW_LIMITER_BW_FRAC_MASK;
582 
583 	modena_init0_bw_integer = readl(&bwlimiter->modena_init0_bw_integer) &
584 	                                BW_LIMITER_BW_INT_MASK;
585 
586 	modena_init0_watermark_0 = readl(&bwlimiter->modena_init0_watermark_0) &
587 	                                 BW_LIMITER_BW_WATERMARK_MASK;
588 
589 	/* Setting MReq Priority of the DSS*/
590 	mreqprio_0 |= 0x77;
591 
592 	/*
593 	 * Set L3 Fast Configuration Register
594 	 * Limiting bandwith for ARM core to 700 MBPS
595 	 */
596 	modena_init0_bw_fractional |= 0x10;
597 	modena_init0_bw_integer |= 0x3;
598 
599 	writel(mreqprio_0, &cdev->mreqprio_0);
600 	writel(mreqprio_1, &cdev->mreqprio_1);
601 
602 	writel(modena_init0_bw_fractional, &bwlimiter->modena_init0_bw_fractional);
603 	writel(modena_init0_bw_integer, &bwlimiter->modena_init0_bw_integer);
604 	writel(modena_init0_watermark_0, &bwlimiter->modena_init0_watermark_0);
605 
606 	return 0;
607 }
608 
609 #ifdef CONFIG_BOARD_LATE_INIT
610 int board_late_init(void)
611 {
612 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
613 	set_board_info_env(NULL);
614 
615 	/*
616 	 * Default FIT boot on HS devices. Non FIT images are not allowed
617 	 * on HS devices.
618 	 */
619 	if (get_device_type() == HS_DEVICE)
620 		setenv("boot_fit", "1");
621 #endif
622 	return 0;
623 }
624 #endif
625 
626 #ifdef CONFIG_USB_DWC3
627 static struct dwc3_device usb_otg_ss1 = {
628 	.maximum_speed = USB_SPEED_HIGH,
629 	.base = USB_OTG_SS1_BASE,
630 	.tx_fifo_resize = false,
631 	.index = 0,
632 };
633 
634 static struct dwc3_omap_device usb_otg_ss1_glue = {
635 	.base = (void *)USB_OTG_SS1_GLUE_BASE,
636 	.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
637 	.index = 0,
638 };
639 
640 static struct ti_usb_phy_device usb_phy1_device = {
641 	.usb2_phy_power = (void *)USB2_PHY1_POWER,
642 	.index = 0,
643 };
644 
645 static struct dwc3_device usb_otg_ss2 = {
646 	.maximum_speed = USB_SPEED_HIGH,
647 	.base = USB_OTG_SS2_BASE,
648 	.tx_fifo_resize = false,
649 	.index = 1,
650 };
651 
652 static struct dwc3_omap_device usb_otg_ss2_glue = {
653 	.base = (void *)USB_OTG_SS2_GLUE_BASE,
654 	.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
655 	.index = 1,
656 };
657 
658 static struct ti_usb_phy_device usb_phy2_device = {
659 	.usb2_phy_power = (void *)USB2_PHY2_POWER,
660 	.index = 1,
661 };
662 
663 int usb_gadget_handle_interrupts(int index)
664 {
665 	u32 status;
666 
667 	status = dwc3_omap_uboot_interrupt_status(index);
668 	if (status)
669 		dwc3_uboot_handle_interrupt(index);
670 
671 	return 0;
672 }
673 #endif /* CONFIG_USB_DWC3 */
674 
675 #if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP)
676 int omap_xhci_board_usb_init(int index, enum usb_init_type init)
677 {
678 	enable_usb_clocks(index);
679 #ifdef CONFIG_USB_DWC3
680 	switch (index) {
681 	case 0:
682 		if (init == USB_INIT_DEVICE) {
683 			usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL;
684 			usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
685 			dwc3_omap_uboot_init(&usb_otg_ss1_glue);
686 			ti_usb_phy_uboot_init(&usb_phy1_device);
687 			dwc3_uboot_init(&usb_otg_ss1);
688 		}
689 		break;
690 	case 1:
691 		if (init == USB_INIT_DEVICE) {
692 			usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL;
693 			usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
694 			ti_usb_phy_uboot_init(&usb_phy2_device);
695 			dwc3_omap_uboot_init(&usb_otg_ss2_glue);
696 			dwc3_uboot_init(&usb_otg_ss2);
697 		}
698 		break;
699 	default:
700 		printf("Invalid Controller Index\n");
701 	}
702 #endif
703 
704 	return 0;
705 }
706 
707 int omap_xhci_board_usb_cleanup(int index, enum usb_init_type init)
708 {
709 #ifdef CONFIG_USB_DWC3
710 	switch (index) {
711 	case 0:
712 	case 1:
713 		if (init == USB_INIT_DEVICE) {
714 			ti_usb_phy_uboot_exit(index);
715 			dwc3_uboot_exit(index);
716 			dwc3_omap_uboot_exit(index);
717 		}
718 		break;
719 	default:
720 		printf("Invalid Controller Index\n");
721 	}
722 #endif
723 	disable_usb_clocks(index);
724 
725 	return 0;
726 }
727 #endif /* defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP) */
728 
729 #ifdef CONFIG_DRIVER_TI_CPSW
730 
731 static void cpsw_control(int enabled)
732 {
733 	/* Additional controls can be added here */
734 	return;
735 }
736 
737 static struct cpsw_slave_data cpsw_slaves[] = {
738 	{
739 		.slave_reg_ofs	= 0x208,
740 		.sliver_reg_ofs	= 0xd80,
741 		.phy_addr	= 16,
742 	},
743 	{
744 		.slave_reg_ofs	= 0x308,
745 		.sliver_reg_ofs	= 0xdc0,
746 		.phy_addr	= 1,
747 	},
748 };
749 
750 static struct cpsw_platform_data cpsw_data = {
751 	.mdio_base		= CPSW_MDIO_BASE,
752 	.cpsw_base		= CPSW_BASE,
753 	.mdio_div		= 0xff,
754 	.channels		= 8,
755 	.cpdma_reg_ofs		= 0x800,
756 	.slaves			= 1,
757 	.slave_data		= cpsw_slaves,
758 	.ale_reg_ofs		= 0xd00,
759 	.ale_entries		= 1024,
760 	.host_port_reg_ofs	= 0x108,
761 	.hw_stats_reg_ofs	= 0x900,
762 	.bd_ram_ofs		= 0x2000,
763 	.mac_control		= (1 << 5),
764 	.control		= cpsw_control,
765 	.host_port_num		= 0,
766 	.version		= CPSW_CTRL_VERSION_2,
767 };
768 
769 int board_eth_init(bd_t *bis)
770 {
771 	int rv;
772 	uint8_t mac_addr[6];
773 	uint32_t mac_hi, mac_lo;
774 
775 	/* try reading mac address from efuse */
776 	mac_lo = readl(&cdev->macid0l);
777 	mac_hi = readl(&cdev->macid0h);
778 	mac_addr[0] = mac_hi & 0xFF;
779 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
780 	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
781 	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
782 	mac_addr[4] = mac_lo & 0xFF;
783 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
784 
785 	if (!getenv("ethaddr")) {
786 		puts("<ethaddr> not set. Validating first E-fuse MAC\n");
787 		if (is_valid_ethaddr(mac_addr))
788 			eth_setenv_enetaddr("ethaddr", mac_addr);
789 	}
790 
791 	mac_lo = readl(&cdev->macid1l);
792 	mac_hi = readl(&cdev->macid1h);
793 	mac_addr[0] = mac_hi & 0xFF;
794 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
795 	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
796 	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
797 	mac_addr[4] = mac_lo & 0xFF;
798 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
799 
800 	if (!getenv("eth1addr")) {
801 		if (is_valid_ethaddr(mac_addr))
802 			eth_setenv_enetaddr("eth1addr", mac_addr);
803 	}
804 
805 	if (board_is_eposevm()) {
806 		writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
807 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
808 		cpsw_slaves[0].phy_addr = 16;
809 	} else if (board_is_sk()) {
810 		writel(RGMII_MODE_ENABLE, &cdev->miisel);
811 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
812 		cpsw_slaves[0].phy_addr = 4;
813 		cpsw_slaves[1].phy_addr = 5;
814 	} else if (board_is_idk()) {
815 		writel(RGMII_MODE_ENABLE, &cdev->miisel);
816 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
817 		cpsw_slaves[0].phy_addr = 0;
818 	} else {
819 		writel(RGMII_MODE_ENABLE, &cdev->miisel);
820 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
821 		cpsw_slaves[0].phy_addr = 0;
822 	}
823 
824 	rv = cpsw_register(&cpsw_data);
825 	if (rv < 0)
826 		printf("Error %d registering CPSW switch\n", rv);
827 
828 	return rv;
829 }
830 #endif
831 
832 #ifdef CONFIG_SPL_LOAD_FIT
833 int board_fit_config_name_match(const char *name)
834 {
835 	if (board_is_evm() && !strcmp(name, "am437x-gp-evm"))
836 		return 0;
837 	else if (board_is_sk() && !strcmp(name, "am437x-sk-evm"))
838 		return 0;
839 	else if (board_is_eposevm() && !strcmp(name, "am43x-epos-evm"))
840 		return 0;
841 	else if (board_is_idk() && !strcmp(name, "am437x-idk-evm"))
842 		return 0;
843 	else
844 		return -1;
845 }
846 #endif
847 
848 #ifdef CONFIG_TI_SECURE_DEVICE
849 void board_fit_image_post_process(void **p_image, size_t *p_size)
850 {
851 	secure_boot_verify_image(p_image, p_size);
852 }
853 #endif
854