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 LSR_COM6L_ADPT 0x01001300
76 #define BEAGLE_NO_EEPROM 0xffffffff
78 DECLARE_GLOBAL_DATA_PTR;
81 unsigned int device_vendor;
82 unsigned char revision;
83 unsigned char content;
91 * Description: Early hardware init.
95 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
96 /* board id for Linux */
97 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
99 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
101 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
102 status_led_set (STATUS_LED_BOOT, STATUS_LED_ON);
109 * Routine: get_board_revision
110 * Description: Detect if we are running on a Beagle revision Ax/Bx,
111 * C1/2/3, C4 or xM. This can be done by reading
112 * the level of GPIO173, GPIO172 and GPIO171. This should
114 * GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
115 * GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
116 * GPIO173, GPIO172, GPIO171: 1 0 1 => C4
117 * GPIO173, GPIO172, GPIO171: 0 0 0 => xM
119 static int get_board_revision(void)
123 if (!gpio_request(171, "") &&
124 !gpio_request(172, "") &&
125 !gpio_request(173, "")) {
127 gpio_direction_input(171);
128 gpio_direction_input(172);
129 gpio_direction_input(173);
131 revision = gpio_get_value(173) << 2 |
132 gpio_get_value(172) << 1 |
135 printf("Error: unable to acquire board revision GPIOs\n");
142 #ifdef CONFIG_SPL_BUILD
144 * Routine: get_board_mem_timings
145 * Description: If we use SPL then there is no x-loader nor config header
146 * so we have to setup the DDR timings ourself on both banks.
148 void get_board_mem_timings(struct board_sdrc_timings *timings)
153 * We need to identify what PoP memory is on the board so that
154 * we know what timings to use. If we can't identify it then
155 * we know it's an xM. To map the ID values please see nand_ids.c
157 identify_nand_chip(&pop_mfr, &pop_id);
159 timings->mr = MICRON_V_MR_165;
160 switch (get_board_revision()) {
162 if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
164 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
165 timings->ctrla = NUMONYX_V_ACTIMA_165;
166 timings->ctrlb = NUMONYX_V_ACTIMB_165;
167 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
169 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
170 /* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
171 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
172 timings->ctrla = MICRON_V_ACTIMA_165;
173 timings->ctrlb = MICRON_V_ACTIMB_165;
174 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
176 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
177 /* Beagleboard Rev C5, 256MB DDR */
178 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
179 timings->ctrla = MICRON_V_ACTIMA_200;
180 timings->ctrlb = MICRON_V_ACTIMB_200;
181 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
189 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
190 timings->ctrla = MICRON_V_ACTIMA_200;
191 timings->ctrlb = MICRON_V_ACTIMB_200;
192 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
195 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
196 timings->ctrla = NUMONYX_V_ACTIMA_165;
197 timings->ctrlb = NUMONYX_V_ACTIMB_165;
198 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
202 /* Assume 128MB and Micron/165MHz timings to be safe */
203 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
204 timings->ctrla = MICRON_V_ACTIMA_165;
205 timings->ctrlb = MICRON_V_ACTIMB_165;
206 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
212 * Routine: get_expansion_id
213 * Description: This function checks for expansion board by checking I2C
214 * bus 1 for the availability of an AT24C01B serial EEPROM.
215 * returns the device_vendor field from the EEPROM
217 static unsigned int get_expansion_id(void)
219 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
221 /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
222 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
223 i2c_set_bus_num(TWL4030_I2C_BUS);
224 return BEAGLE_NO_EEPROM;
227 /* read configuration data */
228 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
229 sizeof(expansion_config));
231 /* retry reading configuration data with 16bit addressing */
232 if ((expansion_config.device_vendor == 0xFFFFFF00) ||
233 (expansion_config.device_vendor == 0xFFFFFFFF)) {
234 printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
235 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config,
236 sizeof(expansion_config));
239 i2c_set_bus_num(TWL4030_I2C_BUS);
241 return expansion_config.device_vendor;
244 #ifdef CONFIG_VIDEO_OMAP3
246 * Configure DSS to display background color on DVID
247 * Configure VENC to display color bar on S-Video
249 static void beagle_display_init(void)
251 omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
252 switch (get_board_revision()) {
256 omap3_dss_panel_config(&dvid_cfg);
262 omap3_dss_panel_config(&dvid_cfg_xm);
270 static void beagle_dvi_pup(void)
274 switch (get_board_revision()) {
279 gpio_request(170, "");
280 gpio_direction_output(170, 0);
281 gpio_set_value(170, 1);
286 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
287 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
289 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
291 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
293 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
295 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
301 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
302 static struct musb_hdrc_config musb_config = {
309 static struct omap_musb_board_data musb_board_data = {
310 .interface_type = MUSB_INTERFACE_ULPI,
313 static struct musb_hdrc_platform_data musb_plat = {
314 #if defined(CONFIG_MUSB_HOST)
316 #elif defined(CONFIG_MUSB_GADGET)
317 .mode = MUSB_PERIPHERAL,
319 #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
321 .config = &musb_config,
323 .platform_ops = &omap2430_ops,
324 .board_data = &musb_board_data,
329 * Routine: misc_init_r
330 * Description: Configure board specific parts
332 int misc_init_r(void)
334 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
335 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
336 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
338 /* Enable i2c2 pullup resisters */
339 writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
341 switch (get_board_revision()) {
343 printf("Beagle Rev Ax/Bx\n");
344 setenv("beaglerev", "AxBx");
347 printf("Beagle Rev C1/C2/C3\n");
348 setenv("beaglerev", "Cx");
352 printf("Beagle Rev C4\n");
353 setenv("beaglerev", "C4");
355 /* Set VAUX2 to 1.8V for EHCI PHY */
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);
362 printf("Beagle xM Rev A\n");
363 setenv("beaglerev", "xMA");
365 /* Set VAUX2 to 1.8V for EHCI PHY */
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);
372 printf("Beagle xM Rev B\n");
373 setenv("beaglerev", "xMB");
375 /* Set VAUX2 to 1.8V for EHCI PHY */
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);
382 printf("Beagle xM Rev C\n");
383 setenv("beaglerev", "xMC");
385 /* Set VAUX2 to 1.8V for EHCI PHY */
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);
392 printf("Beagle unknown 0x%02x\n", get_board_revision());
394 /* Set VAUX2 to 1.8V for EHCI PHY */
395 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
396 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
397 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
398 TWL4030_PM_RECEIVER_DEV_GRP_P1);
401 switch (get_expansion_id()) {
402 case TINCANTOOLS_ZIPPY:
403 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
404 expansion_config.revision,
405 expansion_config.fab_revision);
406 MUX_TINCANTOOLS_ZIPPY();
407 setenv("buddy", "zippy");
409 case TINCANTOOLS_ZIPPY2:
410 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
411 expansion_config.revision,
412 expansion_config.fab_revision);
413 MUX_TINCANTOOLS_ZIPPY();
414 setenv("buddy", "zippy2");
416 case TINCANTOOLS_TRAINER:
417 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
418 expansion_config.revision,
419 expansion_config.fab_revision);
420 MUX_TINCANTOOLS_ZIPPY();
421 MUX_TINCANTOOLS_TRAINER();
422 setenv("buddy", "trainer");
424 case TINCANTOOLS_SHOWDOG:
425 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
426 expansion_config.revision,
427 expansion_config.fab_revision);
428 /* Place holder for DSS2 definition for showdog lcd */
429 setenv("defaultdisplay", "showdoglcd");
430 setenv("buddy", "showdog");
432 case KBADC_BEAGLEFPGA:
433 printf("Recognized KBADC Beagle FPGA board\n");
434 MUX_KBADC_BEAGLEFPGA();
435 setenv("buddy", "beaglefpga");
438 printf("Recognized Liquidware BeagleTouch board\n");
439 setenv("buddy", "beagletouch");
442 printf("Recognized Brainmux LCDog board\n");
443 setenv("buddy", "lcdog");
445 case BRAINMUX_LCDOGTOUCH:
446 printf("Recognized Brainmux LCDog Touch board\n");
447 setenv("buddy", "lcdogtouch");
450 printf("Recognized BeagleBoardToys WiFi board\n");
452 setenv("buddy", "bbtoys-wifi");
455 printf("Recognized BeagleBoardToys VGA board\n");
458 printf("Recognized BeagleBoardToys LCD board\n");
461 printf("Recognized bct electronic GmbH brettl3 board\n");
464 printf("Recognized bct electronic GmbH brettl4 board\n");
467 printf("Recognized LSR COM6L Adapter Board\n");
469 setenv("buddy", "lsr-com6l-adpt");
471 case BEAGLE_NO_EEPROM:
472 printf("No EEPROM on expansion board\n");
473 setenv("buddy", "none");
476 printf("Unrecognized expansion board: %x\n",
477 expansion_config.device_vendor);
478 setenv("buddy", "unknown");
481 if (expansion_config.content == 1)
482 setenv(expansion_config.env_var, expansion_config.env_setting);
484 twl4030_power_init();
485 switch (get_board_revision()) {
488 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
491 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
495 /* Set GPIO states before they are made outputs */
496 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
497 &gpio6_base->setdataout);
498 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
499 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
501 /* Configure GPIOs to output */
502 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
503 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
504 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
508 #ifdef CONFIG_VIDEO_OMAP3
510 beagle_display_init();
514 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
515 musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
522 * Routine: set_muxconf_regs
523 * Description: Setting up the configuration Mux registers specific to the
524 * hardware. Many pins need to be moved from protect to primary
527 void set_muxconf_regs(void)
532 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
533 int board_mmc_init(bd_t *bis)
535 omap_mmc_init(0, 0, 0);
540 #if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
541 /* Call usb_stop() before starting the kernel */
542 void show_boot_progress(int val)
544 if (val == BOOTSTAGE_ID_RUN_OS)
548 static 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
554 int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
556 return omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor);
559 int ehci_hcd_stop(int index)
561 return omap_ehci_hcd_stop();
564 #endif /* CONFIG_USB_EHCI */
566 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
567 int board_eth_init(bd_t *bis)
569 return usb_eth_initialize(bis);