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, xM Ax/Bx or xM Cx. 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 1 0 => xM Cx
118 * GPIO173, GPIO172, GPIO171: 0 0 0 => xM Ax/Bx
120 static int get_board_revision(void)
124 if (!gpio_request(171, "") &&
125 !gpio_request(172, "") &&
126 !gpio_request(173, "")) {
128 gpio_direction_input(171);
129 gpio_direction_input(172);
130 gpio_direction_input(173);
132 revision = gpio_get_value(173) << 2 |
133 gpio_get_value(172) << 1 |
136 printf("Error: unable to acquire board revision GPIOs\n");
143 #ifdef CONFIG_SPL_BUILD
145 * Routine: get_board_mem_timings
146 * Description: If we use SPL then there is no x-loader nor config header
147 * so we have to setup the DDR timings ourself on both banks.
149 void get_board_mem_timings(struct board_sdrc_timings *timings)
154 * We need to identify what PoP memory is on the board so that
155 * we know what timings to use. If we can't identify it then
156 * we know it's an xM. To map the ID values please see nand_ids.c
158 identify_nand_chip(&pop_mfr, &pop_id);
160 timings->mr = MICRON_V_MR_165;
161 switch (get_board_revision()) {
163 if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
165 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
166 timings->ctrla = NUMONYX_V_ACTIMA_165;
167 timings->ctrlb = NUMONYX_V_ACTIMB_165;
168 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
170 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
171 /* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
172 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
173 timings->ctrla = MICRON_V_ACTIMA_165;
174 timings->ctrlb = MICRON_V_ACTIMB_165;
175 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
177 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
178 /* Beagleboard Rev C5, 256MB DDR */
179 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
180 timings->ctrla = MICRON_V_ACTIMA_200;
181 timings->ctrlb = MICRON_V_ACTIMB_200;
182 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
190 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
191 timings->ctrla = MICRON_V_ACTIMA_200;
192 timings->ctrlb = MICRON_V_ACTIMB_200;
193 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
196 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
197 timings->ctrla = NUMONYX_V_ACTIMA_165;
198 timings->ctrlb = NUMONYX_V_ACTIMB_165;
199 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
203 /* Assume 128MB and Micron/165MHz timings to be safe */
204 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
205 timings->ctrla = MICRON_V_ACTIMA_165;
206 timings->ctrlb = MICRON_V_ACTIMB_165;
207 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
213 * Routine: get_expansion_id
214 * Description: This function checks for expansion board by checking I2C
215 * bus 1 for the availability of an AT24C01B serial EEPROM.
216 * returns the device_vendor field from the EEPROM
218 static unsigned int get_expansion_id(void)
220 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
222 /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
223 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
224 i2c_set_bus_num(TWL4030_I2C_BUS);
225 return BEAGLE_NO_EEPROM;
228 /* read configuration data */
229 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
230 sizeof(expansion_config));
232 /* retry reading configuration data with 16bit addressing */
233 if ((expansion_config.device_vendor == 0xFFFFFF00) ||
234 (expansion_config.device_vendor == 0xFFFFFFFF)) {
235 printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
236 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config,
237 sizeof(expansion_config));
240 i2c_set_bus_num(TWL4030_I2C_BUS);
242 return expansion_config.device_vendor;
245 #ifdef CONFIG_VIDEO_OMAP3
247 * Configure DSS to display background color on DVID
248 * Configure VENC to display color bar on S-Video
250 static void beagle_display_init(void)
252 omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
253 switch (get_board_revision()) {
257 omap3_dss_panel_config(&dvid_cfg);
263 omap3_dss_panel_config(&dvid_cfg_xm);
271 static void beagle_dvi_pup(void)
275 switch (get_board_revision()) {
280 gpio_request(170, "");
281 gpio_direction_output(170, 0);
282 gpio_set_value(170, 1);
287 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
288 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
290 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
292 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
294 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
296 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
302 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
303 static struct musb_hdrc_config musb_config = {
310 static struct omap_musb_board_data musb_board_data = {
311 .interface_type = MUSB_INTERFACE_ULPI,
314 static struct musb_hdrc_platform_data musb_plat = {
315 #if defined(CONFIG_MUSB_HOST)
317 #elif defined(CONFIG_MUSB_GADGET)
318 .mode = MUSB_PERIPHERAL,
320 #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
322 .config = &musb_config,
324 .platform_ops = &omap2430_ops,
325 .board_data = &musb_board_data,
330 * Routine: misc_init_r
331 * Description: Configure board specific parts
333 int misc_init_r(void)
335 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
336 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
337 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
339 /* Enable i2c2 pullup resisters */
340 writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
342 switch (get_board_revision()) {
344 printf("Beagle Rev Ax/Bx\n");
345 setenv("beaglerev", "AxBx");
348 printf("Beagle Rev C1/C2/C3\n");
349 setenv("beaglerev", "Cx");
353 printf("Beagle Rev C4\n");
354 setenv("beaglerev", "C4");
356 /* Set VAUX2 to 1.8V for EHCI PHY */
357 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
358 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
359 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
360 TWL4030_PM_RECEIVER_DEV_GRP_P1);
363 printf("Beagle xM Rev A\n");
364 setenv("beaglerev", "xMA");
366 /* Set VAUX2 to 1.8V for EHCI PHY */
367 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
368 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
369 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
370 TWL4030_PM_RECEIVER_DEV_GRP_P1);
373 printf("Beagle xM Rev B\n");
374 setenv("beaglerev", "xMB");
376 /* Set VAUX2 to 1.8V for EHCI PHY */
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);
383 printf("Beagle xM Rev C\n");
384 setenv("beaglerev", "xMC");
386 /* Set VAUX2 to 1.8V for EHCI PHY */
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);
393 printf("Beagle unknown 0x%02x\n", get_board_revision());
395 /* Set VAUX2 to 1.8V for EHCI PHY */
396 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
397 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
398 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
399 TWL4030_PM_RECEIVER_DEV_GRP_P1);
402 switch (get_expansion_id()) {
403 case TINCANTOOLS_ZIPPY:
404 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
405 expansion_config.revision,
406 expansion_config.fab_revision);
407 MUX_TINCANTOOLS_ZIPPY();
408 setenv("buddy", "zippy");
410 case TINCANTOOLS_ZIPPY2:
411 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
412 expansion_config.revision,
413 expansion_config.fab_revision);
414 MUX_TINCANTOOLS_ZIPPY();
415 setenv("buddy", "zippy2");
417 case TINCANTOOLS_TRAINER:
418 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
419 expansion_config.revision,
420 expansion_config.fab_revision);
421 MUX_TINCANTOOLS_ZIPPY();
422 MUX_TINCANTOOLS_TRAINER();
423 setenv("buddy", "trainer");
425 case TINCANTOOLS_SHOWDOG:
426 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
427 expansion_config.revision,
428 expansion_config.fab_revision);
429 /* Place holder for DSS2 definition for showdog lcd */
430 setenv("defaultdisplay", "showdoglcd");
431 setenv("buddy", "showdog");
433 case KBADC_BEAGLEFPGA:
434 printf("Recognized KBADC Beagle FPGA board\n");
435 MUX_KBADC_BEAGLEFPGA();
436 setenv("buddy", "beaglefpga");
439 printf("Recognized Liquidware BeagleTouch board\n");
440 setenv("buddy", "beagletouch");
443 printf("Recognized Brainmux LCDog board\n");
444 setenv("buddy", "lcdog");
446 case BRAINMUX_LCDOGTOUCH:
447 printf("Recognized Brainmux LCDog Touch board\n");
448 setenv("buddy", "lcdogtouch");
451 printf("Recognized BeagleBoardToys WiFi board\n");
453 setenv("buddy", "bbtoys-wifi");
456 printf("Recognized BeagleBoardToys VGA board\n");
459 printf("Recognized BeagleBoardToys LCD board\n");
462 printf("Recognized bct electronic GmbH brettl3 board\n");
465 printf("Recognized bct electronic GmbH brettl4 board\n");
468 printf("Recognized LSR COM6L Adapter Board\n");
470 setenv("buddy", "lsr-com6l-adpt");
472 case BEAGLE_NO_EEPROM:
473 printf("No EEPROM on expansion board\n");
474 setenv("buddy", "none");
477 printf("Unrecognized expansion board: %x\n",
478 expansion_config.device_vendor);
479 setenv("buddy", "unknown");
482 if (expansion_config.content == 1)
483 setenv(expansion_config.env_var, expansion_config.env_setting);
485 twl4030_power_init();
486 switch (get_board_revision()) {
489 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
492 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
496 /* Set GPIO states before they are made outputs */
497 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
498 &gpio6_base->setdataout);
499 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
500 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
502 /* Configure GPIOs to output */
503 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
504 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
505 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
509 #ifdef CONFIG_VIDEO_OMAP3
511 beagle_display_init();
515 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
516 musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
523 * Routine: set_muxconf_regs
524 * Description: Setting up the configuration Mux registers specific to the
525 * hardware. Many pins need to be moved from protect to primary
528 void set_muxconf_regs(void)
533 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
534 int board_mmc_init(bd_t *bis)
536 return omap_mmc_init(0, 0, 0, -1, -1);
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);