2 * (C) Copyright 2004-2011
3 * Texas Instruments, <www.ti.com>
6 * Sunil Kumar <sunilsaini05@gmail.com>
7 * Shashi Ranjan <shashiranjanmca05@gmail.com>
9 * Derived from Beagle Board and 3430 SDP code by
10 * Richard Woodruff <r-woodruff2@ti.com>
11 * Syed Mohammed Khasim <khasim@ti.com>
14 * See file CREDITS for list of people who contributed to this
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License as
19 * published by the Free Software Foundation; either version 2 of
20 * the License, or (at your option) any later version.
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #ifdef CONFIG_STATUS_LED
34 #include <status_led.h>
37 #include <linux/mtd/nand.h>
39 #include <asm/arch/mmc_host_def.h>
40 #include <asm/arch/mux.h>
41 #include <asm/arch/mem.h>
42 #include <asm/arch/sys_proto.h>
44 #include <asm/mach-types.h>
45 #include <asm/omap_musb.h>
46 #include <asm/errno.h>
47 #include <linux/usb/ch9.h>
48 #include <linux/usb/gadget.h>
49 #include <linux/usb/musb.h>
53 #ifdef CONFIG_USB_EHCI
55 #include <asm/ehci-omap.h>
58 #define TWL4030_I2C_BUS 0
59 #define EXPANSION_EEPROM_I2C_BUS 1
60 #define EXPANSION_EEPROM_I2C_ADDRESS 0x50
62 #define TINCANTOOLS_ZIPPY 0x01000100
63 #define TINCANTOOLS_ZIPPY2 0x02000100
64 #define TINCANTOOLS_TRAINER 0x04000100
65 #define TINCANTOOLS_SHOWDOG 0x03000100
66 #define KBADC_BEAGLEFPGA 0x01000600
67 #define LW_BEAGLETOUCH 0x01000700
68 #define BRAINMUX_LCDOG 0x01000800
69 #define BRAINMUX_LCDOGTOUCH 0x02000800
70 #define BBTOYS_WIFI 0x01000B00
71 #define BBTOYS_VGA 0x02000B00
72 #define BBTOYS_LCD 0x03000B00
73 #define BCT_BRETTL3 0x01000F00
74 #define BCT_BRETTL4 0x02000F00
75 #define BEAGLE_NO_EEPROM 0xffffffff
77 DECLARE_GLOBAL_DATA_PTR;
80 unsigned int device_vendor;
81 unsigned char revision;
82 unsigned char content;
90 * Description: Early hardware init.
94 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
95 /* board id for Linux */
96 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
98 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
100 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
101 status_led_set (STATUS_LED_BOOT, STATUS_LED_ON);
108 * Routine: get_board_revision
109 * Description: Detect if we are running on a Beagle revision Ax/Bx,
110 * C1/2/3, C4 or xM. This can be done by reading
111 * the level of GPIO173, GPIO172 and GPIO171. This should
113 * GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
114 * GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
115 * GPIO173, GPIO172, GPIO171: 1 0 1 => C4
116 * GPIO173, GPIO172, GPIO171: 0 0 0 => xM
118 static int get_board_revision(void)
122 if (!gpio_request(171, "") &&
123 !gpio_request(172, "") &&
124 !gpio_request(173, "")) {
126 gpio_direction_input(171);
127 gpio_direction_input(172);
128 gpio_direction_input(173);
130 revision = gpio_get_value(173) << 2 |
131 gpio_get_value(172) << 1 |
134 printf("Error: unable to acquire board revision GPIOs\n");
141 #ifdef CONFIG_SPL_BUILD
143 * Routine: get_board_mem_timings
144 * Description: If we use SPL then there is no x-loader nor config header
145 * so we have to setup the DDR timings ourself on both banks.
147 void get_board_mem_timings(struct board_sdrc_timings *timings)
152 * We need to identify what PoP memory is on the board so that
153 * we know what timings to use. If we can't identify it then
154 * we know it's an xM. To map the ID values please see nand_ids.c
156 identify_nand_chip(&pop_mfr, &pop_id);
158 timings->mr = MICRON_V_MR_165;
159 switch (get_board_revision()) {
161 if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
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;
168 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
169 /* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
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;
175 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
176 /* Beagleboard Rev C5, 256MB DDR */
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;
188 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
189 timings->ctrla = MICRON_V_ACTIMA_200;
190 timings->ctrlb = MICRON_V_ACTIMB_200;
191 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
194 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
195 timings->ctrla = NUMONYX_V_ACTIMA_165;
196 timings->ctrlb = NUMONYX_V_ACTIMB_165;
197 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
201 /* Assume 128MB and Micron/165MHz timings to be safe */
202 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
203 timings->ctrla = MICRON_V_ACTIMA_165;
204 timings->ctrlb = MICRON_V_ACTIMB_165;
205 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
211 * Routine: get_expansion_id
212 * Description: This function checks for expansion board by checking I2C
213 * bus 1 for the availability of an AT24C01B serial EEPROM.
214 * returns the device_vendor field from the EEPROM
216 static unsigned int get_expansion_id(void)
218 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
220 /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
221 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
222 i2c_set_bus_num(TWL4030_I2C_BUS);
223 return BEAGLE_NO_EEPROM;
226 /* read configuration data */
227 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
228 sizeof(expansion_config));
230 /* retry reading configuration data with 16bit addressing */
231 if ((expansion_config.device_vendor == 0xFFFFFF00) ||
232 (expansion_config.device_vendor == 0xFFFFFFFF)) {
233 printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
234 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config,
235 sizeof(expansion_config));
238 i2c_set_bus_num(TWL4030_I2C_BUS);
240 return expansion_config.device_vendor;
243 #ifdef CONFIG_VIDEO_OMAP3
245 * Configure DSS to display background color on DVID
246 * Configure VENC to display color bar on S-Video
248 static void beagle_display_init(void)
250 omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
251 switch (get_board_revision()) {
255 omap3_dss_panel_config(&dvid_cfg);
261 omap3_dss_panel_config(&dvid_cfg_xm);
269 static void beagle_dvi_pup(void)
273 switch (get_board_revision()) {
278 gpio_request(170, "");
279 gpio_direction_output(170, 0);
280 gpio_set_value(170, 1);
285 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
286 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
288 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
290 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
292 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
294 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
300 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
301 static struct musb_hdrc_config musb_config = {
308 static struct omap_musb_board_data musb_board_data = {
309 .interface_type = MUSB_INTERFACE_ULPI,
312 static struct musb_hdrc_platform_data musb_plat = {
313 #if defined(CONFIG_MUSB_HOST)
315 #elif defined(CONFIG_MUSB_GADGET)
316 .mode = MUSB_PERIPHERAL,
318 #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
320 .config = &musb_config,
322 .platform_ops = &omap2430_ops,
323 .board_data = &musb_board_data,
328 * Routine: misc_init_r
329 * Description: Configure board specific parts
331 int misc_init_r(void)
333 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
334 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
335 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
337 /* Enable i2c2 pullup resisters */
338 writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
340 switch (get_board_revision()) {
342 printf("Beagle Rev Ax/Bx\n");
343 setenv("beaglerev", "AxBx");
346 printf("Beagle Rev C1/C2/C3\n");
347 setenv("beaglerev", "Cx");
351 printf("Beagle Rev C4\n");
352 setenv("beaglerev", "C4");
354 /* Set VAUX2 to 1.8V for EHCI PHY */
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);
361 printf("Beagle xM Rev A\n");
362 setenv("beaglerev", "xMA");
364 /* Set VAUX2 to 1.8V for EHCI PHY */
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);
371 printf("Beagle xM Rev B\n");
372 setenv("beaglerev", "xMB");
374 /* Set VAUX2 to 1.8V for EHCI PHY */
375 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
376 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
377 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
378 TWL4030_PM_RECEIVER_DEV_GRP_P1);
381 printf("Beagle xM Rev C\n");
382 setenv("beaglerev", "xMC");
384 /* Set VAUX2 to 1.8V for EHCI PHY */
385 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
386 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
387 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
388 TWL4030_PM_RECEIVER_DEV_GRP_P1);
391 printf("Beagle unknown 0x%02x\n", get_board_revision());
393 /* Set VAUX2 to 1.8V for EHCI PHY */
394 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
395 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
396 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
397 TWL4030_PM_RECEIVER_DEV_GRP_P1);
400 switch (get_expansion_id()) {
401 case TINCANTOOLS_ZIPPY:
402 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
403 expansion_config.revision,
404 expansion_config.fab_revision);
405 MUX_TINCANTOOLS_ZIPPY();
406 setenv("buddy", "zippy");
408 case TINCANTOOLS_ZIPPY2:
409 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
410 expansion_config.revision,
411 expansion_config.fab_revision);
412 MUX_TINCANTOOLS_ZIPPY();
413 setenv("buddy", "zippy2");
415 case TINCANTOOLS_TRAINER:
416 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
417 expansion_config.revision,
418 expansion_config.fab_revision);
419 MUX_TINCANTOOLS_ZIPPY();
420 MUX_TINCANTOOLS_TRAINER();
421 setenv("buddy", "trainer");
423 case TINCANTOOLS_SHOWDOG:
424 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
425 expansion_config.revision,
426 expansion_config.fab_revision);
427 /* Place holder for DSS2 definition for showdog lcd */
428 setenv("defaultdisplay", "showdoglcd");
429 setenv("buddy", "showdog");
431 case KBADC_BEAGLEFPGA:
432 printf("Recognized KBADC Beagle FPGA board\n");
433 MUX_KBADC_BEAGLEFPGA();
434 setenv("buddy", "beaglefpga");
437 printf("Recognized Liquidware BeagleTouch board\n");
438 setenv("buddy", "beagletouch");
441 printf("Recognized Brainmux LCDog board\n");
442 setenv("buddy", "lcdog");
444 case BRAINMUX_LCDOGTOUCH:
445 printf("Recognized Brainmux LCDog Touch board\n");
446 setenv("buddy", "lcdogtouch");
449 printf("Recognized BeagleBoardToys WiFi board\n");
451 setenv("buddy", "bbtoys-wifi");
454 printf("Recognized BeagleBoardToys VGA board\n");
457 printf("Recognized BeagleBoardToys LCD board\n");
460 printf("Recognized bct electronic GmbH brettl3 board\n");
463 printf("Recognized bct electronic GmbH brettl4 board\n");
465 case BEAGLE_NO_EEPROM:
466 printf("No EEPROM on expansion board\n");
467 setenv("buddy", "none");
470 printf("Unrecognized expansion board: %x\n",
471 expansion_config.device_vendor);
472 setenv("buddy", "unknown");
475 if (expansion_config.content == 1)
476 setenv(expansion_config.env_var, expansion_config.env_setting);
478 twl4030_power_init();
479 switch (get_board_revision()) {
482 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
485 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
489 /* Set GPIO states before they are made outputs */
490 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
491 &gpio6_base->setdataout);
492 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
493 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
495 /* Configure GPIOs to output */
496 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
497 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
498 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
502 #ifdef CONFIG_VIDEO_OMAP3
504 beagle_display_init();
508 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
509 musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
516 * Routine: set_muxconf_regs
517 * Description: Setting up the configuration Mux registers specific to the
518 * hardware. Many pins need to be moved from protect to primary
521 void set_muxconf_regs(void)
526 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
527 int board_mmc_init(bd_t *bis)
529 omap_mmc_init(0, 0, 0);
534 #if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
535 /* Call usb_stop() before starting the kernel */
536 void show_boot_progress(int val)
538 if (val == BOOTSTAGE_ID_RUN_OS)
542 static struct omap_usbhs_board_data usbhs_bdata = {
543 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
544 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
545 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
548 int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
550 return omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor);
553 int ehci_hcd_stop(int index)
555 return omap_ehci_hcd_stop();
558 #endif /* CONFIG_USB_EHCI */
560 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
561 int board_eth_init(bd_t *bis)
563 return usb_eth_initialize(bis);