xref: /openbmc/u-boot/board/ti/am57xx/board.c (revision 23ff8633)
1 /*
2  * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
3  *
4  * Author: Felipe Balbi <balbi@ti.com>
5  *
6  * Based on board/ti/dra7xx/evm.c
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #include <common.h>
12 #include <palmas.h>
13 #include <sata.h>
14 #include <usb.h>
15 #include <asm/omap_common.h>
16 #include <asm/emif.h>
17 #include <asm/gpio.h>
18 #include <asm/arch/gpio.h>
19 #include <asm/arch/clock.h>
20 #include <asm/arch/dra7xx_iodelay.h>
21 #include <asm/arch/sys_proto.h>
22 #include <asm/arch/mmc_host_def.h>
23 #include <asm/arch/sata.h>
24 #include <asm/arch/gpio.h>
25 #include <asm/arch/omap.h>
26 #include <environment.h>
27 #include <usb.h>
28 #include <linux/usb/gadget.h>
29 #include <dwc3-uboot.h>
30 #include <dwc3-omap-uboot.h>
31 #include <ti-usb-phy-uboot.h>
32 
33 #include "mux_data.h"
34 
35 #ifdef CONFIG_DRIVER_TI_CPSW
36 #include <cpsw.h>
37 #endif
38 
39 DECLARE_GLOBAL_DATA_PTR;
40 
41 /* GPIO 7_11 */
42 #define GPIO_DDR_VTT_EN 203
43 
44 const struct omap_sysinfo sysinfo = {
45 	"Board: BeagleBoard x15\n"
46 };
47 
48 static const struct dmm_lisa_map_regs beagle_x15_lisa_regs = {
49 	.dmm_lisa_map_3 = 0x80740300,
50 	.is_ma_present  = 0x1
51 };
52 
53 void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
54 {
55 	*dmm_lisa_regs = &beagle_x15_lisa_regs;
56 }
57 
58 static const struct emif_regs beagle_x15_emif1_ddr3_532mhz_emif_regs = {
59 	.sdram_config_init	= 0x61851b32,
60 	.sdram_config		= 0x61851b32,
61 	.sdram_config2		= 0x00000000,
62 	.ref_ctrl		= 0x000040F1,
63 	.ref_ctrl_final		= 0x00001035,
64 	.sdram_tim1		= 0xceef266b,
65 	.sdram_tim2		= 0x328f7fda,
66 	.sdram_tim3		= 0x027f88a8,
67 	.read_idle_ctrl		= 0x00050000,
68 	.zq_config		= 0x0007190b,
69 	.temp_alert_config	= 0x00000000,
70 	.emif_ddr_phy_ctlr_1_init = 0x0024400b,
71 	.emif_ddr_phy_ctlr_1	= 0x0e24400b,
72 	.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
73 	.emif_ddr_ext_phy_ctrl_2 = 0x00740074,
74 	.emif_ddr_ext_phy_ctrl_3 = 0x00780078,
75 	.emif_ddr_ext_phy_ctrl_4 = 0x007c007c,
76 	.emif_ddr_ext_phy_ctrl_5 = 0x007b007b,
77 	.emif_rd_wr_lvl_rmp_win	= 0x00000000,
78 	.emif_rd_wr_lvl_rmp_ctl	= 0x80000000,
79 	.emif_rd_wr_lvl_ctl	= 0x00000000,
80 	.emif_rd_wr_exec_thresh	= 0x00000305
81 };
82 
83 /* Ext phy ctrl regs 1-35 */
84 static const u32 beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
85 	0x10040100,
86 	0x00740074,
87 	0x00780078,
88 	0x007c007c,
89 	0x007b007b,
90 	0x00800080,
91 	0x00360036,
92 	0x00340034,
93 	0x00360036,
94 	0x00350035,
95 	0x00350035,
96 
97 	0x01ff01ff,
98 	0x01ff01ff,
99 	0x01ff01ff,
100 	0x01ff01ff,
101 	0x01ff01ff,
102 
103 	0x00430043,
104 	0x003e003e,
105 	0x004a004a,
106 	0x00470047,
107 	0x00400040,
108 
109 	0x00000000,
110 	0x00600020,
111 	0x40011080,
112 	0x08102040,
113 
114 	0x00400040,
115 	0x00400040,
116 	0x00400040,
117 	0x00400040,
118 	0x00400040,
119 	0x0,
120 	0x0,
121 	0x0,
122 	0x0,
123 	0x0
124 };
125 
126 static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
127 	.sdram_config_init	= 0x61851b32,
128 	.sdram_config		= 0x61851b32,
129 	.sdram_config2		= 0x00000000,
130 	.ref_ctrl		= 0x000040F1,
131 	.ref_ctrl_final		= 0x00001035,
132 	.sdram_tim1		= 0xceef266b,
133 	.sdram_tim2		= 0x328f7fda,
134 	.sdram_tim3		= 0x027f88a8,
135 	.read_idle_ctrl		= 0x00050000,
136 	.zq_config		= 0x0007190b,
137 	.temp_alert_config	= 0x00000000,
138 	.emif_ddr_phy_ctlr_1_init = 0x0024400b,
139 	.emif_ddr_phy_ctlr_1	= 0x0e24400b,
140 	.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
141 	.emif_ddr_ext_phy_ctrl_2 = 0x00820082,
142 	.emif_ddr_ext_phy_ctrl_3 = 0x008b008b,
143 	.emif_ddr_ext_phy_ctrl_4 = 0x00800080,
144 	.emif_ddr_ext_phy_ctrl_5 = 0x007e007e,
145 	.emif_rd_wr_lvl_rmp_win	= 0x00000000,
146 	.emif_rd_wr_lvl_rmp_ctl	= 0x80000000,
147 	.emif_rd_wr_lvl_ctl	= 0x00000000,
148 	.emif_rd_wr_exec_thresh	= 0x00000305
149 };
150 
151 static const u32 beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
152 	0x10040100,
153 	0x00820082,
154 	0x008b008b,
155 	0x00800080,
156 	0x007e007e,
157 	0x00800080,
158 	0x00370037,
159 	0x00390039,
160 	0x00360036,
161 	0x00370037,
162 	0x00350035,
163 	0x01ff01ff,
164 	0x01ff01ff,
165 	0x01ff01ff,
166 	0x01ff01ff,
167 	0x01ff01ff,
168 	0x00540054,
169 	0x00540054,
170 	0x004e004e,
171 	0x004c004c,
172 	0x00400040,
173 
174 	0x00000000,
175 	0x00600020,
176 	0x40011080,
177 	0x08102040,
178 
179 	0x00400040,
180 	0x00400040,
181 	0x00400040,
182 	0x00400040,
183 	0x00400040,
184 	0x0,
185 	0x0,
186 	0x0,
187 	0x0,
188 	0x0
189 };
190 
191 void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
192 {
193 	switch (emif_nr) {
194 	case 1:
195 		*regs = &beagle_x15_emif1_ddr3_532mhz_emif_regs;
196 		break;
197 	case 2:
198 		*regs = &beagle_x15_emif2_ddr3_532mhz_emif_regs;
199 		break;
200 	}
201 }
202 
203 void emif_get_ext_phy_ctrl_const_regs(u32 emif_nr, const u32 **regs, u32 *size)
204 {
205 	switch (emif_nr) {
206 	case 1:
207 		*regs = beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs;
208 		*size = ARRAY_SIZE(beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs);
209 		break;
210 	case 2:
211 		*regs = beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs;
212 		*size = ARRAY_SIZE(beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs);
213 		break;
214 	}
215 }
216 
217 struct vcores_data beagle_x15_volts = {
218 	.mpu.value		= VDD_MPU_DRA752,
219 	.mpu.efuse.reg		= STD_FUSE_OPP_VMIN_MPU_NOM,
220 	.mpu.efuse.reg_bits     = DRA752_EFUSE_REGBITS,
221 	.mpu.addr		= TPS659038_REG_ADDR_SMPS12,
222 	.mpu.pmic		= &tps659038,
223 
224 	.eve.value		= VDD_EVE_DRA752,
225 	.eve.efuse.reg		= STD_FUSE_OPP_VMIN_DSPEVE_NOM,
226 	.eve.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
227 	.eve.addr		= TPS659038_REG_ADDR_SMPS45,
228 	.eve.pmic		= &tps659038,
229 
230 	.gpu.value		= VDD_GPU_DRA752,
231 	.gpu.efuse.reg		= STD_FUSE_OPP_VMIN_GPU_NOM,
232 	.gpu.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
233 	.gpu.addr		= TPS659038_REG_ADDR_SMPS45,
234 	.gpu.pmic		= &tps659038,
235 
236 	.core.value		= VDD_CORE_DRA752,
237 	.core.efuse.reg		= STD_FUSE_OPP_VMIN_CORE_NOM,
238 	.core.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
239 	.core.addr		= TPS659038_REG_ADDR_SMPS6,
240 	.core.pmic		= &tps659038,
241 
242 	.iva.value		= VDD_IVA_DRA752,
243 	.iva.efuse.reg		= STD_FUSE_OPP_VMIN_IVA_NOM,
244 	.iva.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
245 	.iva.addr		= TPS659038_REG_ADDR_SMPS45,
246 	.iva.pmic		= &tps659038,
247 };
248 
249 void hw_data_init(void)
250 {
251 	*prcm = &dra7xx_prcm;
252 	*dplls_data = &dra7xx_dplls;
253 	*omap_vcores = &beagle_x15_volts;
254 	*ctrl = &dra7xx_ctrl;
255 }
256 
257 int board_init(void)
258 {
259 	gpmc_init();
260 	gd->bd->bi_boot_params = (CONFIG_SYS_SDRAM_BASE + 0x100);
261 
262 	return 0;
263 }
264 
265 int board_late_init(void)
266 {
267 	init_sata(0);
268 	/*
269 	 * DEV_CTRL.DEV_ON = 1 please - else palmas switches off in 8 seconds
270 	 * This is the POWERHOLD-in-Low behavior.
271 	 */
272 	palmas_i2c_write_u8(TPS65903X_CHIP_P1, 0xA0, 0x1);
273 	return 0;
274 }
275 
276 void set_muxconf_regs_essential(void)
277 {
278 	do_set_mux32((*ctrl)->control_padconf_core_base,
279 		     early_padconf, ARRAY_SIZE(early_padconf));
280 }
281 
282 #ifdef CONFIG_IODELAY_RECALIBRATION
283 void recalibrate_iodelay(void)
284 {
285 	__recalibrate_iodelay(core_padconf_array_essential,
286 			      ARRAY_SIZE(core_padconf_array_essential),
287 			      iodelay_cfg_array, ARRAY_SIZE(iodelay_cfg_array));
288 }
289 #endif
290 
291 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
292 int board_mmc_init(bd_t *bis)
293 {
294 	omap_mmc_init(0, 0, 0, -1, -1);
295 	omap_mmc_init(1, 0, 0, -1, -1);
296 	return 0;
297 }
298 #endif
299 
300 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OS_BOOT)
301 int spl_start_uboot(void)
302 {
303 	/* break into full u-boot on 'c' */
304 	if (serial_tstc() && serial_getc() == 'c')
305 		return 1;
306 
307 #ifdef CONFIG_SPL_ENV_SUPPORT
308 	env_init();
309 	env_relocate_spec();
310 	if (getenv_yesno("boot_os") != 1)
311 		return 1;
312 #endif
313 
314 	return 0;
315 }
316 #endif
317 
318 #ifdef CONFIG_USB_DWC3
319 static struct dwc3_device usb_otg_ss1 = {
320 	.maximum_speed = USB_SPEED_SUPER,
321 	.base = DRA7_USB_OTG_SS1_BASE,
322 	.tx_fifo_resize = false,
323 	.index = 0,
324 };
325 
326 static struct dwc3_omap_device usb_otg_ss1_glue = {
327 	.base = (void *)DRA7_USB_OTG_SS1_GLUE_BASE,
328 	.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
329 	.index = 0,
330 };
331 
332 static struct ti_usb_phy_device usb_phy1_device = {
333 	.pll_ctrl_base = (void *)DRA7_USB3_PHY1_PLL_CTRL,
334 	.usb2_phy_power = (void *)DRA7_USB2_PHY1_POWER,
335 	.usb3_phy_power = (void *)DRA7_USB3_PHY1_POWER,
336 	.index = 0,
337 };
338 
339 static struct dwc3_device usb_otg_ss2 = {
340 	.maximum_speed = USB_SPEED_HIGH,
341 	.base = DRA7_USB_OTG_SS2_BASE,
342 	.tx_fifo_resize = false,
343 	.index = 1,
344 };
345 
346 static struct dwc3_omap_device usb_otg_ss2_glue = {
347 	.base = (void *)DRA7_USB_OTG_SS2_GLUE_BASE,
348 	.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
349 	.index = 1,
350 };
351 
352 static struct ti_usb_phy_device usb_phy2_device = {
353 	.usb2_phy_power = (void *)DRA7_USB2_PHY2_POWER,
354 	.index = 1,
355 };
356 
357 int board_usb_init(int index, enum usb_init_type init)
358 {
359 	enable_usb_clocks(index);
360 	switch (index) {
361 	case 0:
362 		if (init == USB_INIT_DEVICE) {
363 			printf("port %d can't be used as device\n", index);
364 			disable_usb_clocks(index);
365 			return -EINVAL;
366 		} else {
367 			usb_otg_ss1.dr_mode = USB_DR_MODE_HOST;
368 			usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
369 			setbits_le32((*prcm)->cm_l3init_usb_otg_ss1_clkctrl,
370 				     OTG_SS_CLKCTRL_MODULEMODE_HW |
371 				     OPTFCLKEN_REFCLK960M);
372 		}
373 
374 		ti_usb_phy_uboot_init(&usb_phy1_device);
375 		dwc3_omap_uboot_init(&usb_otg_ss1_glue);
376 		dwc3_uboot_init(&usb_otg_ss1);
377 		break;
378 	case 1:
379 		if (init == USB_INIT_DEVICE) {
380 			usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL;
381 			usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
382 		} else {
383 			printf("port %d can't be used as host\n", index);
384 			disable_usb_clocks(index);
385 			return -EINVAL;
386 		}
387 
388 		ti_usb_phy_uboot_init(&usb_phy2_device);
389 		dwc3_omap_uboot_init(&usb_otg_ss2_glue);
390 		dwc3_uboot_init(&usb_otg_ss2);
391 		break;
392 	default:
393 		printf("Invalid Controller Index\n");
394 	}
395 
396 	return 0;
397 }
398 
399 int board_usb_cleanup(int index, enum usb_init_type init)
400 {
401 	switch (index) {
402 	case 0:
403 	case 1:
404 		ti_usb_phy_uboot_exit(index);
405 		dwc3_uboot_exit(index);
406 		dwc3_omap_uboot_exit(index);
407 		break;
408 	default:
409 		printf("Invalid Controller Index\n");
410 	}
411 	disable_usb_clocks(index);
412 	return 0;
413 }
414 
415 int usb_gadget_handle_interrupts(int index)
416 {
417 	u32 status;
418 
419 	status = dwc3_omap_uboot_interrupt_status(index);
420 	if (status)
421 		dwc3_uboot_handle_interrupt(index);
422 
423 	return 0;
424 }
425 #endif
426 
427 #ifdef CONFIG_DRIVER_TI_CPSW
428 
429 /* Delay value to add to calibrated value */
430 #define RGMII0_TXCTL_DLY_VAL		((0x3 << 5) + 0x8)
431 #define RGMII0_TXD0_DLY_VAL		((0x3 << 5) + 0x8)
432 #define RGMII0_TXD1_DLY_VAL		((0x3 << 5) + 0x2)
433 #define RGMII0_TXD2_DLY_VAL		((0x4 << 5) + 0x0)
434 #define RGMII0_TXD3_DLY_VAL		((0x4 << 5) + 0x0)
435 #define VIN2A_D13_DLY_VAL		((0x3 << 5) + 0x8)
436 #define VIN2A_D17_DLY_VAL		((0x3 << 5) + 0x8)
437 #define VIN2A_D16_DLY_VAL		((0x3 << 5) + 0x2)
438 #define VIN2A_D15_DLY_VAL		((0x4 << 5) + 0x0)
439 #define VIN2A_D14_DLY_VAL		((0x4 << 5) + 0x0)
440 
441 static void cpsw_control(int enabled)
442 {
443 	/* VTP can be added here */
444 }
445 
446 static struct cpsw_slave_data cpsw_slaves[] = {
447 	{
448 		.slave_reg_ofs	= 0x208,
449 		.sliver_reg_ofs	= 0xd80,
450 		.phy_addr	= 1,
451 	},
452 	{
453 		.slave_reg_ofs	= 0x308,
454 		.sliver_reg_ofs	= 0xdc0,
455 		.phy_addr	= 2,
456 	},
457 };
458 
459 static struct cpsw_platform_data cpsw_data = {
460 	.mdio_base		= CPSW_MDIO_BASE,
461 	.cpsw_base		= CPSW_BASE,
462 	.mdio_div		= 0xff,
463 	.channels		= 8,
464 	.cpdma_reg_ofs		= 0x800,
465 	.slaves			= 1,
466 	.slave_data		= cpsw_slaves,
467 	.ale_reg_ofs		= 0xd00,
468 	.ale_entries		= 1024,
469 	.host_port_reg_ofs	= 0x108,
470 	.hw_stats_reg_ofs	= 0x900,
471 	.bd_ram_ofs		= 0x2000,
472 	.mac_control		= (1 << 5),
473 	.control		= cpsw_control,
474 	.host_port_num		= 0,
475 	.version		= CPSW_CTRL_VERSION_2,
476 };
477 
478 int board_eth_init(bd_t *bis)
479 {
480 	int ret;
481 	uint8_t mac_addr[6];
482 	uint32_t mac_hi, mac_lo;
483 	uint32_t ctrl_val;
484 
485 	/* try reading mac address from efuse */
486 	mac_lo = readl((*ctrl)->control_core_mac_id_0_lo);
487 	mac_hi = readl((*ctrl)->control_core_mac_id_0_hi);
488 	mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
489 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
490 	mac_addr[2] = mac_hi & 0xFF;
491 	mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
492 	mac_addr[4] = (mac_lo & 0xFF00) >> 8;
493 	mac_addr[5] = mac_lo & 0xFF;
494 
495 	if (!getenv("ethaddr")) {
496 		printf("<ethaddr> not set. Validating first E-fuse MAC\n");
497 
498 		if (is_valid_ethaddr(mac_addr))
499 			eth_setenv_enetaddr("ethaddr", mac_addr);
500 	}
501 
502 	mac_lo = readl((*ctrl)->control_core_mac_id_1_lo);
503 	mac_hi = readl((*ctrl)->control_core_mac_id_1_hi);
504 	mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
505 	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
506 	mac_addr[2] = mac_hi & 0xFF;
507 	mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
508 	mac_addr[4] = (mac_lo & 0xFF00) >> 8;
509 	mac_addr[5] = mac_lo & 0xFF;
510 
511 	if (!getenv("eth1addr")) {
512 		if (is_valid_ethaddr(mac_addr))
513 			eth_setenv_enetaddr("eth1addr", mac_addr);
514 	}
515 
516 	ctrl_val = readl((*ctrl)->control_core_control_io1) & (~0x33);
517 	ctrl_val |= 0x22;
518 	writel(ctrl_val, (*ctrl)->control_core_control_io1);
519 
520 	ret = cpsw_register(&cpsw_data);
521 	if (ret < 0)
522 		printf("Error %d registering CPSW switch\n", ret);
523 
524 	return ret;
525 }
526 #endif
527 
528 #ifdef CONFIG_BOARD_EARLY_INIT_F
529 /* VTT regulator enable */
530 static inline void vtt_regulator_enable(void)
531 {
532 	if (omap_hw_init_context() == OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)
533 		return;
534 
535 	gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
536 	gpio_direction_output(GPIO_DDR_VTT_EN, 1);
537 }
538 
539 int board_early_init_f(void)
540 {
541 	vtt_regulator_enable();
542 	return 0;
543 }
544 #endif
545