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+
19 #ifdef CONFIG_STATUS_LED
20 #include <status_led.h>
23 #include <linux/mtd/nand.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>
30 #include <asm/mach-types.h>
31 #include <asm/omap_musb.h>
32 #include <asm/errno.h>
33 #include <linux/usb/ch9.h>
34 #include <linux/usb/gadget.h>
35 #include <linux/usb/musb.h>
39 #ifdef CONFIG_USB_EHCI
41 #include <asm/ehci-omap.h>
44 #define TWL4030_I2C_BUS 0
45 #define EXPANSION_EEPROM_I2C_BUS 1
46 #define EXPANSION_EEPROM_I2C_ADDRESS 0x50
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
64 DECLARE_GLOBAL_DATA_PTR;
67 unsigned int device_vendor;
68 unsigned char revision;
69 unsigned char content;
75 static const struct ns16550_platdata beagle_serial = {
81 U_BOOT_DEVICE(beagle_uart) = {
88 * Description: Early hardware init.
92 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
93 /* board id for Linux */
94 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
96 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
98 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
99 status_led_set (STATUS_LED_BOOT, STATUS_LED_ON);
106 * Routine: get_board_revision
107 * Description: Detect if we are running on a Beagle revision Ax/Bx,
108 * C1/2/3, C4, xM Ax/Bx or xM Cx. This can be done by reading
109 * the level of GPIO173, GPIO172 and GPIO171. This should
111 * GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
112 * GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
113 * GPIO173, GPIO172, GPIO171: 1 0 1 => C4
114 * GPIO173, GPIO172, GPIO171: 0 1 0 => xM Cx
115 * GPIO173, GPIO172, GPIO171: 0 0 0 => xM Ax/Bx
117 static int get_board_revision(void)
119 static int revision = -1;
121 if (revision == -1) {
122 if (!gpio_request(171, "rev0") &&
123 !gpio_request(172, "rev1") &&
124 !gpio_request(173, "rev2")) {
125 gpio_direction_input(171);
126 gpio_direction_input(172);
127 gpio_direction_input(173);
129 revision = gpio_get_value(173) << 2 |
130 gpio_get_value(172) << 1 |
133 printf("Error: unable to acquire board revision GPIOs\n");
140 #ifdef CONFIG_SPL_BUILD
142 * Routine: get_board_mem_timings
143 * Description: If we use SPL then there is no x-loader nor config header
144 * so we have to setup the DDR timings ourself on both banks.
146 void get_board_mem_timings(struct board_sdrc_timings *timings)
151 * We need to identify what PoP memory is on the board so that
152 * we know what timings to use. If we can't identify it then
153 * we know it's an xM. To map the ID values please see nand_ids.c
155 identify_nand_chip(&pop_mfr, &pop_id);
157 timings->mr = MICRON_V_MR_165;
158 switch (get_board_revision()) {
160 if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
162 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
163 timings->ctrla = NUMONYX_V_ACTIMA_165;
164 timings->ctrlb = NUMONYX_V_ACTIMB_165;
165 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
167 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
168 /* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
169 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
170 timings->ctrla = MICRON_V_ACTIMA_165;
171 timings->ctrlb = MICRON_V_ACTIMB_165;
172 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
174 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
175 /* Beagleboard Rev C5, 256MB DDR */
176 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
177 timings->ctrla = MICRON_V_ACTIMA_200;
178 timings->ctrlb = MICRON_V_ACTIMB_200;
179 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
186 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
187 timings->ctrla = MICRON_V_ACTIMA_200;
188 timings->ctrlb = MICRON_V_ACTIMB_200;
189 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
192 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
193 timings->ctrla = NUMONYX_V_ACTIMA_165;
194 timings->ctrlb = NUMONYX_V_ACTIMB_165;
195 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
199 /* Assume 128MB and Micron/165MHz timings to be safe */
200 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
201 timings->ctrla = MICRON_V_ACTIMA_165;
202 timings->ctrlb = MICRON_V_ACTIMB_165;
203 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
209 * Routine: get_expansion_id
210 * Description: This function checks for expansion board by checking I2C
211 * bus 1 for the availability of an AT24C01B serial EEPROM.
212 * returns the device_vendor field from the EEPROM
214 static unsigned int get_expansion_id(void)
216 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
218 /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
219 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
220 i2c_set_bus_num(TWL4030_I2C_BUS);
221 return BEAGLE_NO_EEPROM;
224 /* read configuration data */
225 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
226 sizeof(expansion_config));
228 /* retry reading configuration data with 16bit addressing */
229 if ((expansion_config.device_vendor == 0xFFFFFF00) ||
230 (expansion_config.device_vendor == 0xFFFFFFFF)) {
231 printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
232 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config,
233 sizeof(expansion_config));
236 i2c_set_bus_num(TWL4030_I2C_BUS);
238 return expansion_config.device_vendor;
241 #ifdef CONFIG_VIDEO_OMAP3
243 * Configure DSS to display background color on DVID
244 * Configure VENC to display color bar on S-Video
246 static void beagle_display_init(void)
248 omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
249 switch (get_board_revision()) {
253 omap3_dss_panel_config(&dvid_cfg);
258 omap3_dss_panel_config(&dvid_cfg_xm);
266 static void beagle_dvi_pup(void)
270 switch (get_board_revision()) {
274 gpio_request(170, "dvi");
275 gpio_direction_output(170, 0);
276 gpio_set_value(170, 1);
281 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
282 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
284 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
286 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
288 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
290 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
296 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
297 static struct musb_hdrc_config musb_config = {
304 static struct omap_musb_board_data musb_board_data = {
305 .interface_type = MUSB_INTERFACE_ULPI,
308 static struct musb_hdrc_platform_data musb_plat = {
309 #if defined(CONFIG_USB_MUSB_HOST)
311 #elif defined(CONFIG_USB_MUSB_GADGET)
312 .mode = MUSB_PERIPHERAL,
314 #error "Please define either CONFIG_USB_MUSB_HOST or CONFIG_USB_MUSB_GADGET"
316 .config = &musb_config,
318 .platform_ops = &omap2430_ops,
319 .board_data = &musb_board_data,
324 * Routine: misc_init_r
325 * Description: Configure board specific parts
327 int misc_init_r(void)
329 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
330 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
331 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
332 bool generate_fake_mac = false;
335 /* Enable i2c2 pullup resisters */
336 value = readl(&prog_io_base->io1);
337 value &= ~(PRG_I2C2_PULLUPRESX);
338 writel(value, &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/B\n");
362 setenv("beaglerev", "xMAB");
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);
369 generate_fake_mac = true;
372 printf("Beagle xM Rev C\n");
373 setenv("beaglerev", "xMC");
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);
380 generate_fake_mac = true;
383 printf("Beagle unknown 0x%02x\n", get_board_revision());
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);
390 generate_fake_mac = true;
393 switch (get_expansion_id()) {
394 case TINCANTOOLS_ZIPPY:
395 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
396 expansion_config.revision,
397 expansion_config.fab_revision);
398 MUX_TINCANTOOLS_ZIPPY();
399 setenv("buddy", "zippy");
401 case TINCANTOOLS_ZIPPY2:
402 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
403 expansion_config.revision,
404 expansion_config.fab_revision);
405 MUX_TINCANTOOLS_ZIPPY();
406 setenv("buddy", "zippy2");
408 case TINCANTOOLS_TRAINER:
409 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
410 expansion_config.revision,
411 expansion_config.fab_revision);
412 MUX_TINCANTOOLS_ZIPPY();
413 MUX_TINCANTOOLS_TRAINER();
414 setenv("buddy", "trainer");
416 case TINCANTOOLS_SHOWDOG:
417 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
418 expansion_config.revision,
419 expansion_config.fab_revision);
420 /* Place holder for DSS2 definition for showdog lcd */
421 setenv("defaultdisplay", "showdoglcd");
422 setenv("buddy", "showdog");
424 case KBADC_BEAGLEFPGA:
425 printf("Recognized KBADC Beagle FPGA board\n");
426 MUX_KBADC_BEAGLEFPGA();
427 setenv("buddy", "beaglefpga");
430 printf("Recognized Liquidware BeagleTouch board\n");
431 setenv("buddy", "beagletouch");
434 printf("Recognized Brainmux LCDog board\n");
435 setenv("buddy", "lcdog");
437 case BRAINMUX_LCDOGTOUCH:
438 printf("Recognized Brainmux LCDog Touch board\n");
439 setenv("buddy", "lcdogtouch");
442 printf("Recognized BeagleBoardToys WiFi board\n");
444 setenv("buddy", "bbtoys-wifi");
447 printf("Recognized BeagleBoardToys VGA board\n");
450 printf("Recognized BeagleBoardToys LCD board\n");
453 printf("Recognized bct electronic GmbH brettl3 board\n");
456 printf("Recognized bct electronic GmbH brettl4 board\n");
459 printf("Recognized LSR COM6L Adapter Board\n");
461 setenv("buddy", "lsr-com6l-adpt");
463 case BEAGLE_NO_EEPROM:
464 printf("No EEPROM on expansion board\n");
465 setenv("buddy", "none");
468 printf("Unrecognized expansion board: %x\n",
469 expansion_config.device_vendor);
470 setenv("buddy", "unknown");
473 if (expansion_config.content == 1)
474 setenv(expansion_config.env_var, expansion_config.env_setting);
476 twl4030_power_init();
477 switch (get_board_revision()) {
479 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
482 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
486 /* Set GPIO states before they are made outputs */
487 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
488 &gpio6_base->setdataout);
489 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
490 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
492 /* Configure GPIOs to output */
493 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
494 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
495 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
499 #ifdef CONFIG_VIDEO_OMAP3
501 beagle_display_init();
505 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
506 musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
509 if (generate_fake_mac) {
513 usb_fake_mac_from_die_id(id);
520 * Routine: set_muxconf_regs
521 * Description: Setting up the configuration Mux registers specific to the
522 * hardware. Many pins need to be moved from protect to primary
525 void set_muxconf_regs(void)
530 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
531 int board_mmc_init(bd_t *bis)
533 return omap_mmc_init(0, 0, 0, -1, -1);
537 #if defined(CONFIG_GENERIC_MMC)
538 void board_mmc_power_init(void)
540 twl4030_power_mmc_init(0);
544 #if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
545 /* Call usb_stop() before starting the kernel */
546 void show_boot_progress(int val)
548 if (val == BOOTSTAGE_ID_RUN_OS)
552 static struct omap_usbhs_board_data usbhs_bdata = {
553 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
554 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
555 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
558 int ehci_hcd_init(int index, enum usb_init_type init,
559 struct ehci_hccr **hccr, struct ehci_hcor **hcor)
561 return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
564 int ehci_hcd_stop(int index)
566 return omap_ehci_hcd_stop();
569 #endif /* CONFIG_USB_EHCI */
571 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)
572 int board_eth_init(bd_t *bis)
574 return usb_eth_initialize(bis);