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 * SPDX-License-Identifier: GPL-2.0+
17 #ifdef CONFIG_STATUS_LED
18 #include <status_led.h>
21 #include <linux/mtd/nand.h>
23 #include <asm/arch/mmc_host_def.h>
24 #include <asm/arch/mux.h>
25 #include <asm/arch/mem.h>
26 #include <asm/arch/sys_proto.h>
28 #include <asm/mach-types.h>
29 #include <asm/omap_musb.h>
30 #include <asm/errno.h>
31 #include <linux/usb/ch9.h>
32 #include <linux/usb/gadget.h>
33 #include <linux/usb/musb.h>
37 #ifdef CONFIG_USB_EHCI
39 #include <asm/ehci-omap.h>
42 #define TWL4030_I2C_BUS 0
43 #define EXPANSION_EEPROM_I2C_BUS 1
44 #define EXPANSION_EEPROM_I2C_ADDRESS 0x50
46 #define TINCANTOOLS_ZIPPY 0x01000100
47 #define TINCANTOOLS_ZIPPY2 0x02000100
48 #define TINCANTOOLS_TRAINER 0x04000100
49 #define TINCANTOOLS_SHOWDOG 0x03000100
50 #define KBADC_BEAGLEFPGA 0x01000600
51 #define LW_BEAGLETOUCH 0x01000700
52 #define BRAINMUX_LCDOG 0x01000800
53 #define BRAINMUX_LCDOGTOUCH 0x02000800
54 #define BBTOYS_WIFI 0x01000B00
55 #define BBTOYS_VGA 0x02000B00
56 #define BBTOYS_LCD 0x03000B00
57 #define BCT_BRETTL3 0x01000F00
58 #define BCT_BRETTL4 0x02000F00
59 #define LSR_COM6L_ADPT 0x01001300
60 #define BEAGLE_NO_EEPROM 0xffffffff
62 DECLARE_GLOBAL_DATA_PTR;
65 unsigned int device_vendor;
66 unsigned char revision;
67 unsigned char content;
75 * Description: Early hardware init.
79 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
80 /* board id for Linux */
81 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
83 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
85 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
86 status_led_set (STATUS_LED_BOOT, STATUS_LED_ON);
93 * Routine: get_board_revision
94 * Description: Detect if we are running on a Beagle revision Ax/Bx,
95 * C1/2/3, C4, xM Ax/Bx or xM Cx. This can be done by reading
96 * the level of GPIO173, GPIO172 and GPIO171. This should
98 * GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
99 * GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
100 * GPIO173, GPIO172, GPIO171: 1 0 1 => C4
101 * GPIO173, GPIO172, GPIO171: 0 1 0 => xM Cx
102 * GPIO173, GPIO172, GPIO171: 0 0 0 => xM Ax/Bx
104 static int get_board_revision(void)
108 if (!gpio_request(171, "") &&
109 !gpio_request(172, "") &&
110 !gpio_request(173, "")) {
112 gpio_direction_input(171);
113 gpio_direction_input(172);
114 gpio_direction_input(173);
116 revision = gpio_get_value(173) << 2 |
117 gpio_get_value(172) << 1 |
120 printf("Error: unable to acquire board revision GPIOs\n");
127 #ifdef CONFIG_SPL_BUILD
129 * Routine: get_board_mem_timings
130 * Description: If we use SPL then there is no x-loader nor config header
131 * so we have to setup the DDR timings ourself on both banks.
133 void get_board_mem_timings(struct board_sdrc_timings *timings)
138 * We need to identify what PoP memory is on the board so that
139 * we know what timings to use. If we can't identify it then
140 * we know it's an xM. To map the ID values please see nand_ids.c
142 identify_nand_chip(&pop_mfr, &pop_id);
144 timings->mr = MICRON_V_MR_165;
145 switch (get_board_revision()) {
147 if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
149 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
150 timings->ctrla = NUMONYX_V_ACTIMA_165;
151 timings->ctrlb = NUMONYX_V_ACTIMB_165;
152 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
154 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
155 /* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
156 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
157 timings->ctrla = MICRON_V_ACTIMA_165;
158 timings->ctrlb = MICRON_V_ACTIMB_165;
159 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
161 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
162 /* Beagleboard Rev C5, 256MB DDR */
163 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
164 timings->ctrla = MICRON_V_ACTIMA_200;
165 timings->ctrlb = MICRON_V_ACTIMB_200;
166 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
174 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
175 timings->ctrla = MICRON_V_ACTIMA_200;
176 timings->ctrlb = MICRON_V_ACTIMB_200;
177 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
180 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
181 timings->ctrla = NUMONYX_V_ACTIMA_165;
182 timings->ctrlb = NUMONYX_V_ACTIMB_165;
183 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
187 /* Assume 128MB and Micron/165MHz timings to be safe */
188 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
189 timings->ctrla = MICRON_V_ACTIMA_165;
190 timings->ctrlb = MICRON_V_ACTIMB_165;
191 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
197 * Routine: get_expansion_id
198 * Description: This function checks for expansion board by checking I2C
199 * bus 1 for the availability of an AT24C01B serial EEPROM.
200 * returns the device_vendor field from the EEPROM
202 static unsigned int get_expansion_id(void)
204 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
206 /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
207 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
208 i2c_set_bus_num(TWL4030_I2C_BUS);
209 return BEAGLE_NO_EEPROM;
212 /* read configuration data */
213 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
214 sizeof(expansion_config));
216 /* retry reading configuration data with 16bit addressing */
217 if ((expansion_config.device_vendor == 0xFFFFFF00) ||
218 (expansion_config.device_vendor == 0xFFFFFFFF)) {
219 printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
220 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config,
221 sizeof(expansion_config));
224 i2c_set_bus_num(TWL4030_I2C_BUS);
226 return expansion_config.device_vendor;
229 #ifdef CONFIG_VIDEO_OMAP3
231 * Configure DSS to display background color on DVID
232 * Configure VENC to display color bar on S-Video
234 static void beagle_display_init(void)
236 omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
237 switch (get_board_revision()) {
241 omap3_dss_panel_config(&dvid_cfg);
247 omap3_dss_panel_config(&dvid_cfg_xm);
255 static void beagle_dvi_pup(void)
259 switch (get_board_revision()) {
264 gpio_request(170, "");
265 gpio_direction_output(170, 0);
266 gpio_set_value(170, 1);
271 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
272 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
274 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
276 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
278 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
280 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
286 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
287 static struct musb_hdrc_config musb_config = {
294 static struct omap_musb_board_data musb_board_data = {
295 .interface_type = MUSB_INTERFACE_ULPI,
298 static struct musb_hdrc_platform_data musb_plat = {
299 #if defined(CONFIG_MUSB_HOST)
301 #elif defined(CONFIG_MUSB_GADGET)
302 .mode = MUSB_PERIPHERAL,
304 #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
306 .config = &musb_config,
308 .platform_ops = &omap2430_ops,
309 .board_data = &musb_board_data,
314 * Routine: misc_init_r
315 * Description: Configure board specific parts
317 int misc_init_r(void)
319 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
320 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
321 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
323 /* Enable i2c2 pullup resisters */
324 writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
326 switch (get_board_revision()) {
328 printf("Beagle Rev Ax/Bx\n");
329 setenv("beaglerev", "AxBx");
332 printf("Beagle Rev C1/C2/C3\n");
333 setenv("beaglerev", "Cx");
337 printf("Beagle Rev C4\n");
338 setenv("beaglerev", "C4");
340 /* Set VAUX2 to 1.8V for EHCI PHY */
341 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
342 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
343 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
344 TWL4030_PM_RECEIVER_DEV_GRP_P1);
347 printf("Beagle xM Rev A\n");
348 setenv("beaglerev", "xMA");
350 /* Set VAUX2 to 1.8V for EHCI PHY */
351 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
352 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
353 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
354 TWL4030_PM_RECEIVER_DEV_GRP_P1);
357 printf("Beagle xM Rev B\n");
358 setenv("beaglerev", "xMB");
360 /* Set VAUX2 to 1.8V for EHCI PHY */
361 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
362 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
363 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
364 TWL4030_PM_RECEIVER_DEV_GRP_P1);
367 printf("Beagle xM Rev C\n");
368 setenv("beaglerev", "xMC");
370 /* Set VAUX2 to 1.8V for EHCI PHY */
371 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
372 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
373 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
374 TWL4030_PM_RECEIVER_DEV_GRP_P1);
377 printf("Beagle unknown 0x%02x\n", get_board_revision());
379 /* Set VAUX2 to 1.8V for EHCI PHY */
380 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
381 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
382 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
383 TWL4030_PM_RECEIVER_DEV_GRP_P1);
386 switch (get_expansion_id()) {
387 case TINCANTOOLS_ZIPPY:
388 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
389 expansion_config.revision,
390 expansion_config.fab_revision);
391 MUX_TINCANTOOLS_ZIPPY();
392 setenv("buddy", "zippy");
394 case TINCANTOOLS_ZIPPY2:
395 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
396 expansion_config.revision,
397 expansion_config.fab_revision);
398 MUX_TINCANTOOLS_ZIPPY();
399 setenv("buddy", "zippy2");
401 case TINCANTOOLS_TRAINER:
402 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
403 expansion_config.revision,
404 expansion_config.fab_revision);
405 MUX_TINCANTOOLS_ZIPPY();
406 MUX_TINCANTOOLS_TRAINER();
407 setenv("buddy", "trainer");
409 case TINCANTOOLS_SHOWDOG:
410 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
411 expansion_config.revision,
412 expansion_config.fab_revision);
413 /* Place holder for DSS2 definition for showdog lcd */
414 setenv("defaultdisplay", "showdoglcd");
415 setenv("buddy", "showdog");
417 case KBADC_BEAGLEFPGA:
418 printf("Recognized KBADC Beagle FPGA board\n");
419 MUX_KBADC_BEAGLEFPGA();
420 setenv("buddy", "beaglefpga");
423 printf("Recognized Liquidware BeagleTouch board\n");
424 setenv("buddy", "beagletouch");
427 printf("Recognized Brainmux LCDog board\n");
428 setenv("buddy", "lcdog");
430 case BRAINMUX_LCDOGTOUCH:
431 printf("Recognized Brainmux LCDog Touch board\n");
432 setenv("buddy", "lcdogtouch");
435 printf("Recognized BeagleBoardToys WiFi board\n");
437 setenv("buddy", "bbtoys-wifi");
440 printf("Recognized BeagleBoardToys VGA board\n");
443 printf("Recognized BeagleBoardToys LCD board\n");
446 printf("Recognized bct electronic GmbH brettl3 board\n");
449 printf("Recognized bct electronic GmbH brettl4 board\n");
452 printf("Recognized LSR COM6L Adapter Board\n");
454 setenv("buddy", "lsr-com6l-adpt");
456 case BEAGLE_NO_EEPROM:
457 printf("No EEPROM on expansion board\n");
458 setenv("buddy", "none");
461 printf("Unrecognized expansion board: %x\n",
462 expansion_config.device_vendor);
463 setenv("buddy", "unknown");
466 if (expansion_config.content == 1)
467 setenv(expansion_config.env_var, expansion_config.env_setting);
469 twl4030_power_init();
470 switch (get_board_revision()) {
473 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
476 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
480 /* Set GPIO states before they are made outputs */
481 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
482 &gpio6_base->setdataout);
483 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
484 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
486 /* Configure GPIOs to output */
487 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
488 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
489 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
493 #ifdef CONFIG_VIDEO_OMAP3
495 beagle_display_init();
499 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
500 musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
507 * Routine: set_muxconf_regs
508 * Description: Setting up the configuration Mux registers specific to the
509 * hardware. Many pins need to be moved from protect to primary
512 void set_muxconf_regs(void)
517 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
518 int board_mmc_init(bd_t *bis)
520 return omap_mmc_init(0, 0, 0, -1, -1);
524 #if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
525 /* Call usb_stop() before starting the kernel */
526 void show_boot_progress(int val)
528 if (val == BOOTSTAGE_ID_RUN_OS)
532 static struct omap_usbhs_board_data usbhs_bdata = {
533 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
534 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
535 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
538 int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
540 return omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor);
543 int ehci_hcd_stop(int index)
545 return omap_ehci_hcd_stop();
548 #endif /* CONFIG_USB_EHCI */
550 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
551 int board_eth_init(bd_t *bis)
553 return usb_eth_initialize(bis);