xref: /openbmc/u-boot/board/ti/am43xx/board.c (revision e9c847c3)
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 #define NUM_OPPS	6
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 /*
321  * get_sys_clk_index : returns the index of the sys_clk read from
322  *			ctrl status register. This value is either
323  *			read from efuse or sysboot pins.
324  */
325 static u32 get_sys_clk_index(void)
326 {
327 	struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE;
328 	u32 ind = readl(&ctrl->statusreg), src;
329 
330 	src = (ind & CTRL_CRYSTAL_FREQ_SRC_MASK) >> CTRL_CRYSTAL_FREQ_SRC_SHIFT;
331 	if (src == CTRL_CRYSTAL_FREQ_SRC_EFUSE) /* Value read from EFUSE */
332 		return ((ind & CTRL_CRYSTAL_FREQ_SELECTION_MASK) >>
333 			CTRL_CRYSTAL_FREQ_SELECTION_SHIFT);
334 	else /* Value read from SYS BOOT pins */
335 		return ((ind & CTRL_SYSBOOT_15_14_MASK) >>
336 			CTRL_SYSBOOT_15_14_SHIFT);
337 }
338 
339 const struct dpll_params *get_dpll_ddr_params(void)
340 {
341 	int ind = get_sys_clk_index();
342 
343 	if (board_is_eposevm())
344 		return &epos_evm_dpll_ddr[ind];
345 	else if (board_is_evm() || board_is_sk())
346 		return &gp_evm_dpll_ddr;
347 	else if (board_is_idk())
348 		return &idk_dpll_ddr;
349 
350 	printf(" Board '%s' not supported\n", board_ti_get_name());
351 	return NULL;
352 }
353 
354 
355 /*
356  * get_opp_offset:
357  * Returns the index for safest OPP of the device to boot.
358  * max_off:	Index of the MAX OPP in DEV ATTRIBUTE register.
359  * min_off:	Index of the MIN OPP in DEV ATTRIBUTE register.
360  * This data is read from dev_attribute register which is e-fused.
361  * A'1' in bit indicates OPP disabled and not available, a '0' indicates
362  * OPP available. Lowest OPP starts with min_off. So returning the
363  * bit with rightmost '0'.
364  */
365 static int get_opp_offset(int max_off, int min_off)
366 {
367 	struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE;
368 	int opp, offset, i;
369 
370 	/* Bits 0:11 are defined to be the MPU_MAX_FREQ */
371 	opp = readl(&ctrl->dev_attr) & ~0xFFFFF000;
372 
373 	for (i = max_off; i >= min_off; i--) {
374 		offset = opp & (1 << i);
375 		if (!offset)
376 			return i;
377 	}
378 
379 	return min_off;
380 }
381 
382 const struct dpll_params *get_dpll_mpu_params(void)
383 {
384 	int opp = get_opp_offset(DEV_ATTR_MAX_OFFSET, DEV_ATTR_MIN_OFFSET);
385 	u32 ind = get_sys_clk_index();
386 
387 	return &dpll_mpu[ind][opp];
388 }
389 
390 const struct dpll_params *get_dpll_core_params(void)
391 {
392 	int ind = get_sys_clk_index();
393 
394 	return &dpll_core[ind];
395 }
396 
397 const struct dpll_params *get_dpll_per_params(void)
398 {
399 	int ind = get_sys_clk_index();
400 
401 	return &dpll_per[ind];
402 }
403 
404 void scale_vcores_generic(u32 m)
405 {
406 	int mpu_vdd;
407 
408 	if (i2c_probe(TPS65218_CHIP_PM))
409 		return;
410 
411 	switch (m) {
412 	case 1000:
413 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1330MV;
414 		break;
415 	case 800:
416 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1260MV;
417 		break;
418 	case 720:
419 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1200MV;
420 		break;
421 	case 600:
422 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_1100MV;
423 		break;
424 	case 300:
425 		mpu_vdd = TPS65218_DCDC_VOLT_SEL_0950MV;
426 		break;
427 	default:
428 		puts("Unknown MPU clock, not scaling\n");
429 		return;
430 	}
431 
432 	/* Set DCDC1 (CORE) voltage to 1.1V */
433 	if (tps65218_voltage_update(TPS65218_DCDC1,
434 				    TPS65218_DCDC_VOLT_SEL_1100MV)) {
435 		printf("%s failure\n", __func__);
436 		return;
437 	}
438 
439 	/* Set DCDC2 (MPU) voltage */
440 	if (tps65218_voltage_update(TPS65218_DCDC2, mpu_vdd)) {
441 		printf("%s failure\n", __func__);
442 		return;
443 	}
444 }
445 
446 void scale_vcores_idk(u32 m)
447 {
448 	int mpu_vdd;
449 
450 	if (i2c_probe(TPS62362_I2C_ADDR))
451 		return;
452 
453 	switch (m) {
454 	case 1000:
455 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV;
456 		break;
457 	case 800:
458 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1260MV;
459 		break;
460 	case 720:
461 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1200MV;
462 		break;
463 	case 600:
464 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1100MV;
465 		break;
466 	case 300:
467 		mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV;
468 		break;
469 	default:
470 		puts("Unknown MPU clock, not scaling\n");
471 		return;
472 	}
473 
474 	/* Set VDD_MPU voltage */
475 	if (tps62362_voltage_update(TPS62362_SET3, mpu_vdd)) {
476 		printf("%s failure\n", __func__);
477 		return;
478 	}
479 }
480 
481 void gpi2c_init(void)
482 {
483 	/* When needed to be invoked prior to BSS initialization */
484 	static bool first_time = true;
485 
486 	if (first_time) {
487 		enable_i2c0_pin_mux();
488 		i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED,
489 			 CONFIG_SYS_OMAP24_I2C_SLAVE);
490 		first_time = false;
491 	}
492 }
493 
494 void scale_vcores(void)
495 {
496 	const struct dpll_params *mpu_params;
497 
498 	/* Ensure I2C is initialized for PMIC configuration */
499 	gpi2c_init();
500 
501 	/* Get the frequency */
502 	mpu_params = get_dpll_mpu_params();
503 
504 	if (board_is_idk())
505 		scale_vcores_idk(mpu_params->m);
506 	else
507 		scale_vcores_generic(mpu_params->m);
508 }
509 
510 void set_uart_mux_conf(void)
511 {
512 	enable_uart0_pin_mux();
513 }
514 
515 void set_mux_conf_regs(void)
516 {
517 	enable_board_pin_mux();
518 }
519 
520 static void enable_vtt_regulator(void)
521 {
522 	u32 temp;
523 
524 	/* enable module */
525 	writel(GPIO_CTRL_ENABLEMODULE, AM33XX_GPIO5_BASE + OMAP_GPIO_CTRL);
526 
527 	/* enable output for GPIO5_7 */
528 	writel(GPIO_SETDATAOUT(7),
529 	       AM33XX_GPIO5_BASE + OMAP_GPIO_SETDATAOUT);
530 	temp = readl(AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
531 	temp = temp & ~(GPIO_OE_ENABLE(7));
532 	writel(temp, AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
533 }
534 
535 void sdram_init(void)
536 {
537 	/*
538 	 * EPOS EVM has 1GB LPDDR2 connected to EMIF.
539 	 * GP EMV has 1GB DDR3 connected to EMIF
540 	 * along with VTT regulator.
541 	 */
542 	if (board_is_eposevm()) {
543 		config_ddr(0, &ioregs_lpddr2, NULL, NULL, &emif_regs_lpddr2, 0);
544 	} else if (board_is_evm_14_or_later()) {
545 		enable_vtt_regulator();
546 		config_ddr(0, &ioregs_ddr3, NULL, NULL,
547 			   &ddr3_emif_regs_400Mhz_production, 0);
548 	} else if (board_is_evm_12_or_later()) {
549 		enable_vtt_regulator();
550 		config_ddr(0, &ioregs_ddr3, NULL, NULL,
551 			   &ddr3_emif_regs_400Mhz_beta, 0);
552 	} else if (board_is_evm()) {
553 		enable_vtt_regulator();
554 		config_ddr(0, &ioregs_ddr3, NULL, NULL,
555 			   &ddr3_emif_regs_400Mhz, 0);
556 	} else if (board_is_sk()) {
557 		config_ddr(400, &ioregs_ddr3, NULL, NULL,
558 			   &ddr3_sk_emif_regs_400Mhz, 0);
559 	} else if (board_is_idk()) {
560 		config_ddr(400, &ioregs_ddr3, NULL, NULL,
561 			   &ddr3_idk_emif_regs_400Mhz, 0);
562 	}
563 }
564 #endif
565 
566 /* setup board specific PMIC */
567 int power_init_board(void)
568 {
569 	struct pmic *p;
570 
571 	if (board_is_idk()) {
572 		power_tps62362_init(I2C_PMIC);
573 		p = pmic_get("TPS62362");
574 		if (p && !pmic_probe(p))
575 			puts("PMIC:  TPS62362\n");
576 	} else {
577 		power_tps65218_init(I2C_PMIC);
578 		p = pmic_get("TPS65218_PMIC");
579 		if (p && !pmic_probe(p))
580 			puts("PMIC:  TPS65218\n");
581 	}
582 
583 	return 0;
584 }
585 
586 int board_init(void)
587 {
588 	struct l3f_cfg_bwlimiter *bwlimiter = (struct l3f_cfg_bwlimiter *)L3F_CFG_BWLIMITER;
589 	u32 mreqprio_0, mreqprio_1, modena_init0_bw_fractional,
590 	    modena_init0_bw_integer, modena_init0_watermark_0;
591 
592 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
593 	gpmc_init();
594 
595 	/* Clear all important bits for DSS errata that may need to be tweaked*/
596 	mreqprio_0 = readl(&cdev->mreqprio_0) & MREQPRIO_0_SAB_INIT1_MASK &
597 	                   MREQPRIO_0_SAB_INIT0_MASK;
598 
599 	mreqprio_1 = readl(&cdev->mreqprio_1) & MREQPRIO_1_DSS_MASK;
600 
601 	modena_init0_bw_fractional = readl(&bwlimiter->modena_init0_bw_fractional) &
602 	                                   BW_LIMITER_BW_FRAC_MASK;
603 
604 	modena_init0_bw_integer = readl(&bwlimiter->modena_init0_bw_integer) &
605 	                                BW_LIMITER_BW_INT_MASK;
606 
607 	modena_init0_watermark_0 = readl(&bwlimiter->modena_init0_watermark_0) &
608 	                                 BW_LIMITER_BW_WATERMARK_MASK;
609 
610 	/* Setting MReq Priority of the DSS*/
611 	mreqprio_0 |= 0x77;
612 
613 	/*
614 	 * Set L3 Fast Configuration Register
615 	 * Limiting bandwith for ARM core to 700 MBPS
616 	 */
617 	modena_init0_bw_fractional |= 0x10;
618 	modena_init0_bw_integer |= 0x3;
619 
620 	writel(mreqprio_0, &cdev->mreqprio_0);
621 	writel(mreqprio_1, &cdev->mreqprio_1);
622 
623 	writel(modena_init0_bw_fractional, &bwlimiter->modena_init0_bw_fractional);
624 	writel(modena_init0_bw_integer, &bwlimiter->modena_init0_bw_integer);
625 	writel(modena_init0_watermark_0, &bwlimiter->modena_init0_watermark_0);
626 
627 	return 0;
628 }
629 
630 #ifdef CONFIG_BOARD_LATE_INIT
631 int board_late_init(void)
632 {
633 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
634 	set_board_info_env(NULL);
635 
636 	/*
637 	 * Default FIT boot on HS devices. Non FIT images are not allowed
638 	 * on HS devices.
639 	 */
640 	if (get_device_type() == HS_DEVICE)
641 		setenv("boot_fit", "1");
642 #endif
643 	return 0;
644 }
645 #endif
646 
647 #ifdef CONFIG_USB_DWC3
648 static struct dwc3_device usb_otg_ss1 = {
649 	.maximum_speed = USB_SPEED_HIGH,
650 	.base = USB_OTG_SS1_BASE,
651 	.tx_fifo_resize = false,
652 	.index = 0,
653 };
654 
655 static struct dwc3_omap_device usb_otg_ss1_glue = {
656 	.base = (void *)USB_OTG_SS1_GLUE_BASE,
657 	.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
658 	.index = 0,
659 };
660 
661 static struct ti_usb_phy_device usb_phy1_device = {
662 	.usb2_phy_power = (void *)USB2_PHY1_POWER,
663 	.index = 0,
664 };
665 
666 static struct dwc3_device usb_otg_ss2 = {
667 	.maximum_speed = USB_SPEED_HIGH,
668 	.base = USB_OTG_SS2_BASE,
669 	.tx_fifo_resize = false,
670 	.index = 1,
671 };
672 
673 static struct dwc3_omap_device usb_otg_ss2_glue = {
674 	.base = (void *)USB_OTG_SS2_GLUE_BASE,
675 	.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
676 	.index = 1,
677 };
678 
679 static struct ti_usb_phy_device usb_phy2_device = {
680 	.usb2_phy_power = (void *)USB2_PHY2_POWER,
681 	.index = 1,
682 };
683 
684 int usb_gadget_handle_interrupts(int index)
685 {
686 	u32 status;
687 
688 	status = dwc3_omap_uboot_interrupt_status(index);
689 	if (status)
690 		dwc3_uboot_handle_interrupt(index);
691 
692 	return 0;
693 }
694 #endif /* CONFIG_USB_DWC3 */
695 
696 #if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP)
697 int board_usb_init(int index, enum usb_init_type init)
698 {
699 	enable_usb_clocks(index);
700 #ifdef CONFIG_USB_DWC3
701 	switch (index) {
702 	case 0:
703 		if (init == USB_INIT_DEVICE) {
704 			usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL;
705 			usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
706 			dwc3_omap_uboot_init(&usb_otg_ss1_glue);
707 			ti_usb_phy_uboot_init(&usb_phy1_device);
708 			dwc3_uboot_init(&usb_otg_ss1);
709 		}
710 		break;
711 	case 1:
712 		if (init == USB_INIT_DEVICE) {
713 			usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL;
714 			usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
715 			ti_usb_phy_uboot_init(&usb_phy2_device);
716 			dwc3_omap_uboot_init(&usb_otg_ss2_glue);
717 			dwc3_uboot_init(&usb_otg_ss2);
718 		}
719 		break;
720 	default:
721 		printf("Invalid Controller Index\n");
722 	}
723 #endif
724 
725 	return 0;
726 }
727 
728 int board_usb_cleanup(int index, enum usb_init_type init)
729 {
730 #ifdef CONFIG_USB_DWC3
731 	switch (index) {
732 	case 0:
733 	case 1:
734 		if (init == USB_INIT_DEVICE) {
735 			ti_usb_phy_uboot_exit(index);
736 			dwc3_uboot_exit(index);
737 			dwc3_omap_uboot_exit(index);
738 		}
739 		break;
740 	default:
741 		printf("Invalid Controller Index\n");
742 	}
743 #endif
744 	disable_usb_clocks(index);
745 
746 	return 0;
747 }
748 #endif /* defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP) */
749 
750 #ifdef CONFIG_DRIVER_TI_CPSW
751 
752 static void cpsw_control(int enabled)
753 {
754 	/* Additional controls can be added here */
755 	return;
756 }
757 
758 static struct cpsw_slave_data cpsw_slaves[] = {
759 	{
760 		.slave_reg_ofs	= 0x208,
761 		.sliver_reg_ofs	= 0xd80,
762 		.phy_addr	= 16,
763 	},
764 	{
765 		.slave_reg_ofs	= 0x308,
766 		.sliver_reg_ofs	= 0xdc0,
767 		.phy_addr	= 1,
768 	},
769 };
770 
771 static struct cpsw_platform_data cpsw_data = {
772 	.mdio_base		= CPSW_MDIO_BASE,
773 	.cpsw_base		= CPSW_BASE,
774 	.mdio_div		= 0xff,
775 	.channels		= 8,
776 	.cpdma_reg_ofs		= 0x800,
777 	.slaves			= 1,
778 	.slave_data		= cpsw_slaves,
779 	.ale_reg_ofs		= 0xd00,
780 	.ale_entries		= 1024,
781 	.host_port_reg_ofs	= 0x108,
782 	.hw_stats_reg_ofs	= 0x900,
783 	.bd_ram_ofs		= 0x2000,
784 	.mac_control		= (1 << 5),
785 	.control		= cpsw_control,
786 	.host_port_num		= 0,
787 	.version		= CPSW_CTRL_VERSION_2,
788 };
789 
790 int board_eth_init(bd_t *bis)
791 {
792 	int rv;
793 	uint8_t mac_addr[6];
794 	uint32_t mac_hi, mac_lo;
795 
796 	/* try reading mac address from efuse */
797 	mac_lo = readl(&cdev->macid0l);
798 	mac_hi = readl(&cdev->macid0h);
799 	mac_addr[0] = mac_hi & 0xFF;
800 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
801 	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
802 	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
803 	mac_addr[4] = mac_lo & 0xFF;
804 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
805 
806 	if (!getenv("ethaddr")) {
807 		puts("<ethaddr> not set. Validating first E-fuse MAC\n");
808 		if (is_valid_ethaddr(mac_addr))
809 			eth_setenv_enetaddr("ethaddr", mac_addr);
810 	}
811 
812 	mac_lo = readl(&cdev->macid1l);
813 	mac_hi = readl(&cdev->macid1h);
814 	mac_addr[0] = mac_hi & 0xFF;
815 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
816 	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
817 	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
818 	mac_addr[4] = mac_lo & 0xFF;
819 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
820 
821 	if (!getenv("eth1addr")) {
822 		if (is_valid_ethaddr(mac_addr))
823 			eth_setenv_enetaddr("eth1addr", mac_addr);
824 	}
825 
826 	if (board_is_eposevm()) {
827 		writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
828 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
829 		cpsw_slaves[0].phy_addr = 16;
830 	} else if (board_is_sk()) {
831 		writel(RGMII_MODE_ENABLE, &cdev->miisel);
832 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
833 		cpsw_slaves[0].phy_addr = 4;
834 		cpsw_slaves[1].phy_addr = 5;
835 	} else if (board_is_idk()) {
836 		writel(RGMII_MODE_ENABLE, &cdev->miisel);
837 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
838 		cpsw_slaves[0].phy_addr = 0;
839 	} else {
840 		writel(RGMII_MODE_ENABLE, &cdev->miisel);
841 		cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
842 		cpsw_slaves[0].phy_addr = 0;
843 	}
844 
845 	rv = cpsw_register(&cpsw_data);
846 	if (rv < 0)
847 		printf("Error %d registering CPSW switch\n", rv);
848 
849 	return rv;
850 }
851 #endif
852 
853 #ifdef CONFIG_SPL_LOAD_FIT
854 int board_fit_config_name_match(const char *name)
855 {
856 	if (board_is_evm() && !strcmp(name, "am437x-gp-evm"))
857 		return 0;
858 	else if (board_is_sk() && !strcmp(name, "am437x-sk-evm"))
859 		return 0;
860 	else if (board_is_eposevm() && !strcmp(name, "am43x-epos-evm"))
861 		return 0;
862 	else if (board_is_idk() && !strcmp(name, "am437x-idk-evm"))
863 		return 0;
864 	else
865 		return -1;
866 }
867 #endif
868 
869 #ifdef CONFIG_TI_SECURE_DEVICE
870 void board_fit_image_post_process(void **p_image, size_t *p_size)
871 {
872 	secure_boot_verify_image(p_image, p_size);
873 }
874 #endif
875