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16#include <common.h>
17#include <dm.h>
18#include <ns16550.h>
19#ifdef CONFIG_STATUS_LED
20#include <status_led.h>
21#endif
22#include <twl4030.h>
23#include <linux/mtd/nand.h>
24#include <asm/io.h>
25#include <asm/arch/mmc_host_def.h>
26#include <asm/arch/mux.h>
27#include <asm/arch/mem.h>
28#include <asm/arch/sys_proto.h>
29#include <asm/gpio.h>
30#include <asm/mach-types.h>
31#include <asm/omap_musb.h>
32#include <linux/errno.h>
33#include <linux/usb/ch9.h>
34#include <linux/usb/gadget.h>
35#include <linux/usb/musb.h>
36#include "beagle.h"
37#include <command.h>
38
39#ifdef CONFIG_USB_EHCI
40#include <usb.h>
41#include <asm/ehci-omap.h>
42#endif
43
44#define TWL4030_I2C_BUS 0
45#define EXPANSION_EEPROM_I2C_BUS 1
46#define EXPANSION_EEPROM_I2C_ADDRESS 0x50
47
48#define TINCANTOOLS_ZIPPY 0x01000100
49#define TINCANTOOLS_ZIPPY2 0x02000100
50#define TINCANTOOLS_TRAINER 0x04000100
51#define TINCANTOOLS_SHOWDOG 0x03000100
52#define KBADC_BEAGLEFPGA 0x01000600
53#define LW_BEAGLETOUCH 0x01000700
54#define BRAINMUX_LCDOG 0x01000800
55#define BRAINMUX_LCDOGTOUCH 0x02000800
56#define BBTOYS_WIFI 0x01000B00
57#define BBTOYS_VGA 0x02000B00
58#define BBTOYS_LCD 0x03000B00
59#define BCT_BRETTL3 0x01000F00
60#define BCT_BRETTL4 0x02000F00
61#define LSR_COM6L_ADPT 0x01001300
62#define BEAGLE_NO_EEPROM 0xffffffff
63
64DECLARE_GLOBAL_DATA_PTR;
65
66static struct {
67 unsigned int device_vendor;
68 unsigned char revision;
69 unsigned char content;
70 char fab_revision[8];
71 char env_var[16];
72 char env_setting[64];
73} expansion_config;
74
75static const struct ns16550_platdata beagle_serial = {
76 .base = OMAP34XX_UART3,
77 .reg_shift = 2,
78 .clock = V_NS16550_CLK
79};
80
81U_BOOT_DEVICE(beagle_uart) = {
82 "ns16550_serial",
83 &beagle_serial
84};
85
86
87
88
89
90int board_init(void)
91{
92 gpmc_init();
93
94 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
95
96 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
97
98#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
99 status_led_set (STATUS_LED_BOOT, STATUS_LED_ON);
100#endif
101
102 return 0;
103}
104
105
106
107
108
109
110
111
112
113
114
115
116
117static int get_board_revision(void)
118{
119 static int revision = -1;
120
121 if (revision == -1) {
122 if (!gpio_request(171, "rev0") &&
123 !gpio_request(172, "rev1") &&
124 !gpio_request(173, "rev2")) {
125 gpio_direction_input(171);
126 gpio_direction_input(172);
127 gpio_direction_input(173);
128
129 revision = gpio_get_value(173) << 2 |
130 gpio_get_value(172) << 1 |
131 gpio_get_value(171);
132 } else {
133 printf("Error: unable to acquire board revision GPIOs\n");
134 }
135 }
136
137 return revision;
138}
139
140#ifdef CONFIG_SPL_BUILD
141
142
143
144
145
146void get_board_mem_timings(struct board_sdrc_timings *timings)
147{
148 int pop_mfr, pop_id;
149
150
151
152
153
154
155 identify_nand_chip(&pop_mfr, &pop_id);
156
157 timings->mr = MICRON_V_MR_165;
158 switch (get_board_revision()) {
159 case REVISION_C4:
160 if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
161
162 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
163 timings->ctrla = NUMONYX_V_ACTIMA_165;
164 timings->ctrlb = NUMONYX_V_ACTIMB_165;
165 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
166 break;
167 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
168
169 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
170 timings->ctrla = MICRON_V_ACTIMA_165;
171 timings->ctrlb = MICRON_V_ACTIMB_165;
172 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
173 break;
174 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
175
176 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
177 timings->ctrla = MICRON_V_ACTIMA_200;
178 timings->ctrlb = MICRON_V_ACTIMB_200;
179 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
180 break;
181 }
182 case REVISION_XM_AB:
183 case REVISION_XM_C:
184 if (pop_mfr == 0) {
185
186 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
187 timings->ctrla = MICRON_V_ACTIMA_200;
188 timings->ctrlb = MICRON_V_ACTIMB_200;
189 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
190 } else {
191
192 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
193 timings->ctrla = NUMONYX_V_ACTIMA_165;
194 timings->ctrlb = NUMONYX_V_ACTIMB_165;
195 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
196 }
197 break;
198 default:
199
200 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
201 timings->ctrla = MICRON_V_ACTIMA_165;
202 timings->ctrlb = MICRON_V_ACTIMB_165;
203 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
204 }
205}
206#endif
207
208
209
210
211
212
213
214static unsigned int get_expansion_id(void)
215{
216 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
217
218
219 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
220 i2c_set_bus_num(TWL4030_I2C_BUS);
221 return BEAGLE_NO_EEPROM;
222 }
223
224
225 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
226 sizeof(expansion_config));
227
228
229 if ((expansion_config.device_vendor == 0xFFFFFF00) ||
230 (expansion_config.device_vendor == 0xFFFFFFFF)) {
231 printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
232 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config,
233 sizeof(expansion_config));
234 }
235
236 i2c_set_bus_num(TWL4030_I2C_BUS);
237
238 return expansion_config.device_vendor;
239}
240
241#ifdef CONFIG_VIDEO_OMAP3
242
243
244
245
246static void beagle_display_init(void)
247{
248 omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
249 switch (get_board_revision()) {
250 case REVISION_AXBX:
251 case REVISION_CX:
252 case REVISION_C4:
253 omap3_dss_panel_config(&dvid_cfg);
254 break;
255 case REVISION_XM_AB:
256 case REVISION_XM_C:
257 default:
258 omap3_dss_panel_config(&dvid_cfg_xm);
259 break;
260 }
261}
262
263
264
265
266static void beagle_dvi_pup(void)
267{
268 uchar val;
269
270 switch (get_board_revision()) {
271 case REVISION_AXBX:
272 case REVISION_CX:
273 case REVISION_C4:
274 gpio_request(170, "dvi");
275 gpio_direction_output(170, 0);
276 gpio_set_value(170, 1);
277 break;
278 case REVISION_XM_AB:
279 case REVISION_XM_C:
280 default:
281 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
282 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
283
284 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
285 val |= 4;
286 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
287
288 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
289 val |= 4;
290 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
291 break;
292 }
293}
294#endif
295
296#ifdef CONFIG_USB_MUSB_OMAP2PLUS
297static struct musb_hdrc_config musb_config = {
298 .multipoint = 1,
299 .dyn_fifo = 1,
300 .num_eps = 16,
301 .ram_bits = 12,
302};
303
304static struct omap_musb_board_data musb_board_data = {
305 .interface_type = MUSB_INTERFACE_ULPI,
306};
307
308static struct musb_hdrc_platform_data musb_plat = {
309#if defined(CONFIG_USB_MUSB_HOST)
310 .mode = MUSB_HOST,
311#elif defined(CONFIG_USB_MUSB_GADGET)
312 .mode = MUSB_PERIPHERAL,
313#else
314#error "Please define either CONFIG_USB_MUSB_HOST or CONFIG_USB_MUSB_GADGET"
315#endif
316 .config = &musb_config,
317 .power = 100,
318 .platform_ops = &omap2430_ops,
319 .board_data = &musb_board_data,
320};
321#endif
322
323
324
325
326
327int misc_init_r(void)
328{
329 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
330 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
331 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
332 bool generate_fake_mac = false;
333 u32 value;
334
335
336 value = readl(&prog_io_base->io1);
337 value &= ~(PRG_I2C2_PULLUPRESX);
338 writel(value, &prog_io_base->io1);
339
340 switch (get_board_revision()) {
341 case REVISION_AXBX:
342 printf("Beagle Rev Ax/Bx\n");
343 setenv("beaglerev", "AxBx");
344 break;
345 case REVISION_CX:
346 printf("Beagle Rev C1/C2/C3\n");
347 setenv("beaglerev", "Cx");
348 MUX_BEAGLE_C();
349 break;
350 case REVISION_C4:
351 printf("Beagle Rev C4\n");
352 setenv("beaglerev", "C4");
353 MUX_BEAGLE_C();
354
355 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
356 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
357 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
358 TWL4030_PM_RECEIVER_DEV_GRP_P1);
359 break;
360 case REVISION_XM_AB:
361 printf("Beagle xM Rev A/B\n");
362 setenv("beaglerev", "xMAB");
363 MUX_BEAGLE_XM();
364
365 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
366 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
367 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
368 TWL4030_PM_RECEIVER_DEV_GRP_P1);
369 generate_fake_mac = true;
370 break;
371 case REVISION_XM_C:
372 printf("Beagle xM Rev C\n");
373 setenv("beaglerev", "xMC");
374 MUX_BEAGLE_XM();
375
376 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
377 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
378 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
379 TWL4030_PM_RECEIVER_DEV_GRP_P1);
380 generate_fake_mac = true;
381 break;
382 default:
383 printf("Beagle unknown 0x%02x\n", get_board_revision());
384 MUX_BEAGLE_XM();
385
386 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
387 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
388 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
389 TWL4030_PM_RECEIVER_DEV_GRP_P1);
390 generate_fake_mac = true;
391 }
392
393 switch (get_expansion_id()) {
394 case TINCANTOOLS_ZIPPY:
395 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
396 expansion_config.revision,
397 expansion_config.fab_revision);
398 MUX_TINCANTOOLS_ZIPPY();
399 setenv("buddy", "zippy");
400 break;
401 case TINCANTOOLS_ZIPPY2:
402 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
403 expansion_config.revision,
404 expansion_config.fab_revision);
405 MUX_TINCANTOOLS_ZIPPY();
406 setenv("buddy", "zippy2");
407 break;
408 case TINCANTOOLS_TRAINER:
409 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
410 expansion_config.revision,
411 expansion_config.fab_revision);
412 MUX_TINCANTOOLS_ZIPPY();
413 MUX_TINCANTOOLS_TRAINER();
414 setenv("buddy", "trainer");
415 break;
416 case TINCANTOOLS_SHOWDOG:
417 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
418 expansion_config.revision,
419 expansion_config.fab_revision);
420
421 setenv("defaultdisplay", "showdoglcd");
422 setenv("buddy", "showdog");
423 break;
424 case KBADC_BEAGLEFPGA:
425 printf("Recognized KBADC Beagle FPGA board\n");
426 MUX_KBADC_BEAGLEFPGA();
427 setenv("buddy", "beaglefpga");
428 break;
429 case LW_BEAGLETOUCH:
430 printf("Recognized Liquidware BeagleTouch board\n");
431 setenv("buddy", "beagletouch");
432 break;
433 case BRAINMUX_LCDOG:
434 printf("Recognized Brainmux LCDog board\n");
435 setenv("buddy", "lcdog");
436 break;
437 case BRAINMUX_LCDOGTOUCH:
438 printf("Recognized Brainmux LCDog Touch board\n");
439 setenv("buddy", "lcdogtouch");
440 break;
441 case BBTOYS_WIFI:
442 printf("Recognized BeagleBoardToys WiFi board\n");
443 MUX_BBTOYS_WIFI()
444 setenv("buddy", "bbtoys-wifi");
445 break;;
446 case BBTOYS_VGA:
447 printf("Recognized BeagleBoardToys VGA board\n");
448 break;;
449 case BBTOYS_LCD:
450 printf("Recognized BeagleBoardToys LCD board\n");
451 break;;
452 case BCT_BRETTL3:
453 printf("Recognized bct electronic GmbH brettl3 board\n");
454 break;
455 case BCT_BRETTL4:
456 printf("Recognized bct electronic GmbH brettl4 board\n");
457 break;
458 case LSR_COM6L_ADPT:
459 printf("Recognized LSR COM6L Adapter Board\n");
460 MUX_BBTOYS_WIFI()
461 setenv("buddy", "lsr-com6l-adpt");
462 break;
463 case BEAGLE_NO_EEPROM:
464 printf("No EEPROM on expansion board\n");
465 setenv("buddy", "none");
466 break;
467 default:
468 printf("Unrecognized expansion board: %x\n",
469 expansion_config.device_vendor);
470 setenv("buddy", "unknown");
471 }
472
473 if (expansion_config.content == 1)
474 setenv(expansion_config.env_var, expansion_config.env_setting);
475
476 twl4030_power_init();
477 switch (get_board_revision()) {
478 case REVISION_XM_AB:
479 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
480 break;
481 default:
482 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
483 break;
484 }
485
486
487 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
488 &gpio6_base->setdataout);
489 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
490 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
491
492
493 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
494 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
495 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
496
497 omap_die_id_display();
498
499#ifdef CONFIG_VIDEO_OMAP3
500 beagle_dvi_pup();
501 beagle_display_init();
502 omap3_dss_enable();
503#endif
504
505#ifdef CONFIG_USB_MUSB_OMAP2PLUS
506 musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
507#endif
508
509 if (generate_fake_mac)
510 omap_die_id_usbethaddr();
511
512 return 0;
513}
514
515
516
517
518
519
520
521void set_muxconf_regs(void)
522{
523 MUX_BEAGLE();
524}
525
526#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
527int board_mmc_init(bd_t *bis)
528{
529 return omap_mmc_init(0, 0, 0, -1, -1);
530}
531#endif
532
533#if defined(CONFIG_GENERIC_MMC)
534void board_mmc_power_init(void)
535{
536 twl4030_power_mmc_init(0);
537}
538#endif
539
540#if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
541
542void show_boot_progress(int val)
543{
544 if (val == BOOTSTAGE_ID_RUN_OS)
545 usb_stop();
546}
547
548static struct omap_usbhs_board_data usbhs_bdata = {
549 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
550 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
551 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
552};
553
554int ehci_hcd_init(int index, enum usb_init_type init,
555 struct ehci_hccr **hccr, struct ehci_hcor **hcor)
556{
557 return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
558}
559
560int ehci_hcd_stop(int index)
561{
562 return omap_ehci_hcd_stop();
563}
564
565#endif
566
567#if defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)
568int board_eth_init(bd_t *bis)
569{
570 return usb_eth_initialize(bis);
571}
572#endif
573
