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16#include <common.h>
17#include <dm.h>
18#include <ns16550.h>
19#ifdef CONFIG_LED_STATUS
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_HCD
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 .fcr = UART_FCR_DEFVAL,
80};
81
82U_BOOT_DEVICE(beagle_uart) = {
83 "ns16550_serial",
84 &beagle_serial
85};
86
87
88
89
90
91int board_init(void)
92{
93 gpmc_init();
94
95 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
96
97 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
98
99#if defined(CONFIG_LED_STATUS) && defined(CONFIG_LED_STATUS_BOOT_ENABLE)
100 status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_ON);
101#endif
102
103 return 0;
104}
105
106
107
108
109
110
111
112
113
114
115
116
117
118static int get_board_revision(void)
119{
120 static int revision = -1;
121
122 if (revision == -1) {
123 if (!gpio_request(171, "rev0") &&
124 !gpio_request(172, "rev1") &&
125 !gpio_request(173, "rev2")) {
126 gpio_direction_input(171);
127 gpio_direction_input(172);
128 gpio_direction_input(173);
129
130 revision = gpio_get_value(173) << 2 |
131 gpio_get_value(172) << 1 |
132 gpio_get_value(171);
133 } else {
134 printf("Error: unable to acquire board revision GPIOs\n");
135 }
136 }
137
138 return revision;
139}
140
141#ifdef CONFIG_SPL_BUILD
142
143
144
145
146
147void get_board_mem_timings(struct board_sdrc_timings *timings)
148{
149 int pop_mfr, pop_id;
150
151
152
153
154
155
156 identify_nand_chip(&pop_mfr, &pop_id);
157
158 timings->mr = MICRON_V_MR_165;
159 switch (get_board_revision()) {
160 case REVISION_C4:
161 if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
162
163 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
164 timings->ctrla = NUMONYX_V_ACTIMA_165;
165 timings->ctrlb = NUMONYX_V_ACTIMB_165;
166 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
167 break;
168 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
169
170 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
171 timings->ctrla = MICRON_V_ACTIMA_165;
172 timings->ctrlb = MICRON_V_ACTIMB_165;
173 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
174 break;
175 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
176
177 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
178 timings->ctrla = MICRON_V_ACTIMA_200;
179 timings->ctrlb = MICRON_V_ACTIMB_200;
180 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
181 break;
182 }
183 case REVISION_XM_AB:
184 case REVISION_XM_C:
185 if (pop_mfr == 0) {
186
187 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
188 timings->ctrla = MICRON_V_ACTIMA_200;
189 timings->ctrlb = MICRON_V_ACTIMB_200;
190 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
191 } else {
192
193 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
194 timings->ctrla = NUMONYX_V_ACTIMA_165;
195 timings->ctrlb = NUMONYX_V_ACTIMB_165;
196 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
197 }
198 break;
199 default:
200
201 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
202 timings->ctrla = MICRON_V_ACTIMA_165;
203 timings->ctrlb = MICRON_V_ACTIMB_165;
204 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
205 }
206}
207#endif
208
209
210
211
212
213
214
215static unsigned int get_expansion_id(void)
216{
217 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
218
219
220 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
221 i2c_set_bus_num(TWL4030_I2C_BUS);
222 return BEAGLE_NO_EEPROM;
223 }
224
225
226 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
227 sizeof(expansion_config));
228
229
230 if ((expansion_config.device_vendor == 0xFFFFFF00) ||
231 (expansion_config.device_vendor == 0xFFFFFFFF)) {
232 printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
233 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config,
234 sizeof(expansion_config));
235 }
236
237 i2c_set_bus_num(TWL4030_I2C_BUS);
238
239 return expansion_config.device_vendor;
240}
241
242#ifdef CONFIG_VIDEO_OMAP3
243
244
245
246
247static void beagle_display_init(void)
248{
249 omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
250 switch (get_board_revision()) {
251 case REVISION_AXBX:
252 case REVISION_CX:
253 case REVISION_C4:
254 omap3_dss_panel_config(&dvid_cfg);
255 break;
256 case REVISION_XM_AB:
257 case REVISION_XM_C:
258 default:
259 omap3_dss_panel_config(&dvid_cfg_xm);
260 break;
261 }
262}
263
264
265
266
267static void beagle_dvi_pup(void)
268{
269 uchar val;
270
271 switch (get_board_revision()) {
272 case REVISION_AXBX:
273 case REVISION_CX:
274 case REVISION_C4:
275 gpio_request(170, "dvi");
276 gpio_direction_output(170, 0);
277 gpio_set_value(170, 1);
278 break;
279 case REVISION_XM_AB:
280 case REVISION_XM_C:
281 default:
282 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
283 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
284
285 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
286 val |= 4;
287 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
288
289 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
290 val |= 4;
291 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
292 break;
293 }
294}
295#endif
296
297#ifdef CONFIG_USB_MUSB_OMAP2PLUS
298static struct musb_hdrc_config musb_config = {
299 .multipoint = 1,
300 .dyn_fifo = 1,
301 .num_eps = 16,
302 .ram_bits = 12,
303};
304
305static struct omap_musb_board_data musb_board_data = {
306 .interface_type = MUSB_INTERFACE_ULPI,
307};
308
309static struct musb_hdrc_platform_data musb_plat = {
310#if defined(CONFIG_USB_MUSB_HOST)
311 .mode = MUSB_HOST,
312#elif defined(CONFIG_USB_MUSB_GADGET)
313 .mode = MUSB_PERIPHERAL,
314#else
315#error "Please define either CONFIG_USB_MUSB_HOST or CONFIG_USB_MUSB_GADGET"
316#endif
317 .config = &musb_config,
318 .power = 100,
319 .platform_ops = &omap2430_ops,
320 .board_data = &musb_board_data,
321};
322#endif
323
324
325
326
327
328int misc_init_r(void)
329{
330 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
331 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
332 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
333 bool generate_fake_mac = false;
334 u32 value;
335
336
337 value = readl(&prog_io_base->io1);
338 value &= ~(PRG_I2C2_PULLUPRESX);
339 writel(value, &prog_io_base->io1);
340
341 switch (get_board_revision()) {
342 case REVISION_AXBX:
343 printf("Beagle Rev Ax/Bx\n");
344 env_set("beaglerev", "AxBx");
345 break;
346 case REVISION_CX:
347 printf("Beagle Rev C1/C2/C3\n");
348 env_set("beaglerev", "Cx");
349 MUX_BEAGLE_C();
350 break;
351 case REVISION_C4:
352 printf("Beagle Rev C4\n");
353 env_set("beaglerev", "C4");
354 MUX_BEAGLE_C();
355
356 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
357 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
358 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
359 TWL4030_PM_RECEIVER_DEV_GRP_P1);
360 break;
361 case REVISION_XM_AB:
362 printf("Beagle xM Rev A/B\n");
363 env_set("beaglerev", "xMAB");
364 MUX_BEAGLE_XM();
365
366 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
367 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
368 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
369 TWL4030_PM_RECEIVER_DEV_GRP_P1);
370 generate_fake_mac = true;
371 break;
372 case REVISION_XM_C:
373 printf("Beagle xM Rev C\n");
374 env_set("beaglerev", "xMC");
375 MUX_BEAGLE_XM();
376
377 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
378 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
379 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
380 TWL4030_PM_RECEIVER_DEV_GRP_P1);
381 generate_fake_mac = true;
382 break;
383 default:
384 printf("Beagle unknown 0x%02x\n", get_board_revision());
385 MUX_BEAGLE_XM();
386
387 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
388 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
389 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
390 TWL4030_PM_RECEIVER_DEV_GRP_P1);
391 generate_fake_mac = true;
392 }
393
394 switch (get_expansion_id()) {
395 case TINCANTOOLS_ZIPPY:
396 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
397 expansion_config.revision,
398 expansion_config.fab_revision);
399 MUX_TINCANTOOLS_ZIPPY();
400 env_set("buddy", "zippy");
401 break;
402 case TINCANTOOLS_ZIPPY2:
403 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
404 expansion_config.revision,
405 expansion_config.fab_revision);
406 MUX_TINCANTOOLS_ZIPPY();
407 env_set("buddy", "zippy2");
408 break;
409 case TINCANTOOLS_TRAINER:
410 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
411 expansion_config.revision,
412 expansion_config.fab_revision);
413 MUX_TINCANTOOLS_ZIPPY();
414 MUX_TINCANTOOLS_TRAINER();
415 env_set("buddy", "trainer");
416 break;
417 case TINCANTOOLS_SHOWDOG:
418 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
419 expansion_config.revision,
420 expansion_config.fab_revision);
421
422 env_set("defaultdisplay", "showdoglcd");
423 env_set("buddy", "showdog");
424 break;
425 case KBADC_BEAGLEFPGA:
426 printf("Recognized KBADC Beagle FPGA board\n");
427 MUX_KBADC_BEAGLEFPGA();
428 env_set("buddy", "beaglefpga");
429 break;
430 case LW_BEAGLETOUCH:
431 printf("Recognized Liquidware BeagleTouch board\n");
432 env_set("buddy", "beagletouch");
433 break;
434 case BRAINMUX_LCDOG:
435 printf("Recognized Brainmux LCDog board\n");
436 env_set("buddy", "lcdog");
437 break;
438 case BRAINMUX_LCDOGTOUCH:
439 printf("Recognized Brainmux LCDog Touch board\n");
440 env_set("buddy", "lcdogtouch");
441 break;
442 case BBTOYS_WIFI:
443 printf("Recognized BeagleBoardToys WiFi board\n");
444 MUX_BBTOYS_WIFI()
445 env_set("buddy", "bbtoys-wifi");
446 break;
447 case BBTOYS_VGA:
448 printf("Recognized BeagleBoardToys VGA board\n");
449 break;
450 case BBTOYS_LCD:
451 printf("Recognized BeagleBoardToys LCD board\n");
452 break;
453 case BCT_BRETTL3:
454 printf("Recognized bct electronic GmbH brettl3 board\n");
455 break;
456 case BCT_BRETTL4:
457 printf("Recognized bct electronic GmbH brettl4 board\n");
458 break;
459 case LSR_COM6L_ADPT:
460 printf("Recognized LSR COM6L Adapter Board\n");
461 MUX_BBTOYS_WIFI()
462 env_set("buddy", "lsr-com6l-adpt");
463 break;
464 case BEAGLE_NO_EEPROM:
465 printf("No EEPROM on expansion board\n");
466 env_set("buddy", "none");
467 break;
468 default:
469 printf("Unrecognized expansion board: %x\n",
470 expansion_config.device_vendor);
471 env_set("buddy", "unknown");
472 }
473
474 if (expansion_config.content == 1)
475 env_set(expansion_config.env_var, expansion_config.env_setting);
476
477 twl4030_power_init();
478 switch (get_board_revision()) {
479 case REVISION_XM_AB:
480 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
481 break;
482 default:
483 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
484 break;
485 }
486
487
488 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
489 &gpio6_base->setdataout);
490 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
491 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
492
493
494 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
495 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
496 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
497
498 omap_die_id_display();
499
500#ifdef CONFIG_VIDEO_OMAP3
501 beagle_dvi_pup();
502 beagle_display_init();
503 omap3_dss_enable();
504#endif
505
506#ifdef CONFIG_USB_MUSB_OMAP2PLUS
507 musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
508#endif
509
510 if (generate_fake_mac)
511 omap_die_id_usbethaddr();
512
513 return 0;
514}
515
516
517
518
519
520
521
522void set_muxconf_regs(void)
523{
524 MUX_BEAGLE();
525}
526
527#if defined(CONFIG_MMC)
528int board_mmc_init(bd_t *bis)
529{
530 return omap_mmc_init(0, 0, 0, -1, -1);
531}
532#endif
533
534#if defined(CONFIG_MMC)
535void board_mmc_power_init(void)
536{
537 twl4030_power_mmc_init(0);
538}
539#endif
540
541#if defined(CONFIG_USB_EHCI_HCD) && !defined(CONFIG_SPL_BUILD)
542
543void show_boot_progress(int val)
544{
545 if (val == BOOTSTAGE_ID_RUN_OS)
546 usb_stop();
547}
548
549static struct omap_usbhs_board_data usbhs_bdata = {
550 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
551 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
552 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
553};
554
555int ehci_hcd_init(int index, enum usb_init_type init,
556 struct ehci_hccr **hccr, struct ehci_hcor **hcor)
557{
558 return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
559}
560
561int ehci_hcd_stop(int index)
562{
563 return omap_ehci_hcd_stop();
564}
565
566#endif
567
568#if defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)
569int board_eth_init(bd_t *bis)
570{
571 return usb_eth_initialize(bis);
572}
573#endif
574
