2 * (C) Copyright 2004-2011
3 * Texas Instruments, <www.ti.com>
9 * Derived from Beagle Board and 3430 SDP code by
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 i2c_set_bus_num(TWL4030_I2C_BUS);
232 return expansion_config.device_vendor;
235 #ifdef CONFIG_VIDEO_OMAP3
237 * Configure DSS to display background color on DVID
238 * Configure VENC to display color bar on S-Video
240 static void beagle_display_init(void)
242 omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
243 switch (get_board_revision()) {
247 omap3_dss_panel_config(&dvid_cfg);
253 omap3_dss_panel_config(&dvid_cfg_xm);
261 static void beagle_dvi_pup(void)
265 switch (get_board_revision()) {
270 gpio_request(170, "");
271 gpio_direction_output(170, 0);
272 gpio_set_value(170, 1);
277 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
278 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
280 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
282 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
284 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
286 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
292 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
293 static struct musb_hdrc_config musb_config = {
300 static struct omap_musb_board_data musb_board_data = {
301 .interface_type = MUSB_INTERFACE_ULPI,
304 static struct musb_hdrc_platform_data musb_plat = {
305 #if defined(CONFIG_MUSB_HOST)
307 #elif defined(CONFIG_MUSB_GADGET)
308 .mode = MUSB_PERIPHERAL,
310 #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
312 .config = &musb_config,
314 .platform_ops = &omap2430_ops,
315 .board_data = &musb_board_data,
320 * Routine: misc_init_r
321 * Description: Configure board specific parts
323 int misc_init_r(void)
325 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
326 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
327 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
329 /* Enable i2c2 pullup resisters */
330 writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
332 switch (get_board_revision()) {
334 printf("Beagle Rev Ax/Bx\n");
335 setenv("beaglerev", "AxBx");
338 printf("Beagle Rev C1/C2/C3\n");
339 setenv("beaglerev", "Cx");
343 printf("Beagle Rev C4\n");
344 setenv("beaglerev", "C4");
346 /* Set VAUX2 to 1.8V for EHCI PHY */
347 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
348 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
349 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
350 TWL4030_PM_RECEIVER_DEV_GRP_P1);
353 printf("Beagle xM Rev A\n");
354 setenv("beaglerev", "xMA");
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 B\n");
364 setenv("beaglerev", "xMB");
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 C\n");
374 setenv("beaglerev", "xMC");
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 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);
392 switch (get_expansion_id()) {
393 case TINCANTOOLS_ZIPPY:
394 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
395 expansion_config.revision,
396 expansion_config.fab_revision);
397 MUX_TINCANTOOLS_ZIPPY();
398 setenv("buddy", "zippy");
400 case TINCANTOOLS_ZIPPY2:
401 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
402 expansion_config.revision,
403 expansion_config.fab_revision);
404 MUX_TINCANTOOLS_ZIPPY();
405 setenv("buddy", "zippy2");
407 case TINCANTOOLS_TRAINER:
408 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
409 expansion_config.revision,
410 expansion_config.fab_revision);
411 MUX_TINCANTOOLS_ZIPPY();
412 MUX_TINCANTOOLS_TRAINER();
413 setenv("buddy", "trainer");
415 case TINCANTOOLS_SHOWDOG:
416 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
417 expansion_config.revision,
418 expansion_config.fab_revision);
419 /* Place holder for DSS2 definition for showdog lcd */
420 setenv("defaultdisplay", "showdoglcd");
421 setenv("buddy", "showdog");
423 case KBADC_BEAGLEFPGA:
424 printf("Recognized KBADC Beagle FPGA board\n");
425 MUX_KBADC_BEAGLEFPGA();
426 setenv("buddy", "beaglefpga");
429 printf("Recognized Liquidware BeagleTouch board\n");
430 setenv("buddy", "beagletouch");
433 printf("Recognized Brainmux LCDog board\n");
434 setenv("buddy", "lcdog");
436 case BRAINMUX_LCDOGTOUCH:
437 printf("Recognized Brainmux LCDog Touch board\n");
438 setenv("buddy", "lcdogtouch");
441 printf("Recognized BeagleBoardToys WiFi board\n");
443 setenv("buddy", "bbtoys-wifi");
446 printf("Recognized BeagleBoardToys VGA board\n");
449 printf("Recognized BeagleBoardToys LCD board\n");
452 printf("Recognized bct electronic GmbH brettl3 board\n");
455 printf("Recognized bct electronic GmbH brettl4 board\n");
457 case BEAGLE_NO_EEPROM:
458 printf("No EEPROM on expansion board\n");
459 setenv("buddy", "none");
462 printf("Unrecognized expansion board: %x\n",
463 expansion_config.device_vendor);
464 setenv("buddy", "unknown");
467 if (expansion_config.content == 1)
468 setenv(expansion_config.env_var, expansion_config.env_setting);
470 twl4030_power_init();
471 switch (get_board_revision()) {
474 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
477 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
481 /* Set GPIO states before they are made outputs */
482 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
483 &gpio6_base->setdataout);
484 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
485 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
487 /* Configure GPIOs to output */
488 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
489 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
490 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
494 #ifdef CONFIG_VIDEO_OMAP3
496 beagle_display_init();
500 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
501 musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
508 * Routine: set_muxconf_regs
509 * Description: Setting up the configuration Mux registers specific to the
510 * hardware. Many pins need to be moved from protect to primary
513 void set_muxconf_regs(void)
518 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
519 int board_mmc_init(bd_t *bis)
521 omap_mmc_init(0, 0, 0);
526 #if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
527 /* Call usb_stop() before starting the kernel */
528 void show_boot_progress(int val)
530 if (val == BOOTSTAGE_ID_RUN_OS)
534 static struct omap_usbhs_board_data usbhs_bdata = {
535 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
536 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
537 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
540 int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
542 return omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor);
545 int ehci_hcd_stop(int index)
547 return omap_ehci_hcd_stop();
550 #endif /* CONFIG_USB_EHCI */
552 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
553 int board_eth_init(bd_t *bis)
555 return usb_eth_initialize(bis);