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>
48 #ifdef CONFIG_USB_EHCI
50 #include <asm/ehci-omap.h>
53 #define pr_debug(fmt, args...) debug(fmt, ##args)
55 #define TWL4030_I2C_BUS 0
56 #define EXPANSION_EEPROM_I2C_BUS 1
57 #define EXPANSION_EEPROM_I2C_ADDRESS 0x50
59 #define TINCANTOOLS_ZIPPY 0x01000100
60 #define TINCANTOOLS_ZIPPY2 0x02000100
61 #define TINCANTOOLS_TRAINER 0x04000100
62 #define TINCANTOOLS_SHOWDOG 0x03000100
63 #define KBADC_BEAGLEFPGA 0x01000600
64 #define LW_BEAGLETOUCH 0x01000700
65 #define BRAINMUX_LCDOG 0x01000800
66 #define BRAINMUX_LCDOGTOUCH 0x02000800
67 #define BBTOYS_WIFI 0x01000B00
68 #define BBTOYS_VGA 0x02000B00
69 #define BBTOYS_LCD 0x03000B00
70 #define BCT_BRETTL3 0x01000F00
71 #define BEAGLE_NO_EEPROM 0xffffffff
73 DECLARE_GLOBAL_DATA_PTR;
76 unsigned int device_vendor;
77 unsigned char revision;
78 unsigned char content;
86 * Description: Early hardware init.
90 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
91 /* board id for Linux */
92 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
94 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
96 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
97 status_led_set (STATUS_LED_BOOT, STATUS_LED_ON);
104 * Routine: get_board_revision
105 * Description: Detect if we are running on a Beagle revision Ax/Bx,
106 * C1/2/3, C4 or xM. This can be done by reading
107 * the level of GPIO173, GPIO172 and GPIO171. This should
109 * GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
110 * GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
111 * GPIO173, GPIO172, GPIO171: 1 0 1 => C4
112 * GPIO173, GPIO172, GPIO171: 0 0 0 => xM
114 int get_board_revision(void)
118 if (!gpio_request(171, "") &&
119 !gpio_request(172, "") &&
120 !gpio_request(173, "")) {
122 gpio_direction_input(171);
123 gpio_direction_input(172);
124 gpio_direction_input(173);
126 revision = gpio_get_value(173) << 2 |
127 gpio_get_value(172) << 1 |
130 printf("Error: unable to acquire board revision GPIOs\n");
137 #ifdef CONFIG_SPL_BUILD
139 * Routine: get_board_mem_timings
140 * Description: If we use SPL then there is no x-loader nor config header
141 * so we have to setup the DDR timings ourself on both banks.
143 void get_board_mem_timings(u32 *mcfg, u32 *ctrla, u32 *ctrlb, u32 *rfr_ctrl,
149 * We need to identify what PoP memory is on the board so that
150 * we know what timings to use. If we can't identify it then
151 * we know it's an xM. To map the ID values please see nand_ids.c
153 identify_nand_chip(&pop_mfr, &pop_id);
155 *mr = MICRON_V_MR_165;
156 switch (get_board_revision()) {
158 if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
160 *mcfg = NUMONYX_V_MCFG_165(512 << 20);
161 *ctrla = NUMONYX_V_ACTIMA_165;
162 *ctrlb = NUMONYX_V_ACTIMB_165;
163 *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
165 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
166 /* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
167 *mcfg = MICRON_V_MCFG_165(128 << 20);
168 *ctrla = MICRON_V_ACTIMA_165;
169 *ctrlb = MICRON_V_ACTIMB_165;
170 *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
172 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
173 /* Beagleboard Rev C5, 256MB DDR */
174 *mcfg = MICRON_V_MCFG_200(256 << 20);
175 *ctrla = MICRON_V_ACTIMA_200;
176 *ctrlb = MICRON_V_ACTIMB_200;
177 *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
185 *mcfg = MICRON_V_MCFG_200(256 << 20);
186 *ctrla = MICRON_V_ACTIMA_200;
187 *ctrlb = MICRON_V_ACTIMB_200;
188 *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
191 *mcfg = NUMONYX_V_MCFG_165(512 << 20);
192 *ctrla = NUMONYX_V_ACTIMA_165;
193 *ctrlb = NUMONYX_V_ACTIMB_165;
194 *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
198 /* Assume 128MB and Micron/165MHz timings to be safe */
199 *mcfg = MICRON_V_MCFG_165(128 << 20);
200 *ctrla = MICRON_V_ACTIMA_165;
201 *ctrlb = MICRON_V_ACTIMB_165;
202 *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
208 * Routine: get_expansion_id
209 * Description: This function checks for expansion board by checking I2C
210 * bus 1 for the availability of an AT24C01B serial EEPROM.
211 * returns the device_vendor field from the EEPROM
213 unsigned int get_expansion_id(void)
215 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
217 /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
218 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
219 i2c_set_bus_num(TWL4030_I2C_BUS);
220 return BEAGLE_NO_EEPROM;
223 /* read configuration data */
224 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
225 sizeof(expansion_config));
227 i2c_set_bus_num(TWL4030_I2C_BUS);
229 return expansion_config.device_vendor;
233 * Configure DSS to display background color on DVID
234 * Configure VENC to display color bar on S-Video
236 void beagle_display_init(void)
238 omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
239 switch (get_board_revision()) {
243 omap3_dss_panel_config(&dvid_cfg);
249 omap3_dss_panel_config(&dvid_cfg_xm);
257 static void beagle_dvi_pup(void)
261 switch (get_board_revision()) {
266 gpio_request(170, "");
267 gpio_direction_output(170, 0);
268 gpio_set_value(170, 1);
273 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
274 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
276 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
278 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
280 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
282 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
288 * Routine: misc_init_r
289 * Description: Configure board specific parts
291 int misc_init_r(void)
293 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
294 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
295 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
297 /* Enable i2c2 pullup resisters */
298 writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
300 switch (get_board_revision()) {
302 printf("Beagle Rev Ax/Bx\n");
303 setenv("beaglerev", "AxBx");
306 printf("Beagle Rev C1/C2/C3\n");
307 setenv("beaglerev", "Cx");
311 printf("Beagle Rev C4\n");
312 setenv("beaglerev", "C4");
314 /* Set VAUX2 to 1.8V for EHCI PHY */
315 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
316 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
317 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
318 TWL4030_PM_RECEIVER_DEV_GRP_P1);
321 printf("Beagle xM Rev A\n");
322 setenv("beaglerev", "xMA");
324 /* Set VAUX2 to 1.8V for EHCI PHY */
325 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
326 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
327 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
328 TWL4030_PM_RECEIVER_DEV_GRP_P1);
331 printf("Beagle xM Rev B\n");
332 setenv("beaglerev", "xMB");
334 /* Set VAUX2 to 1.8V for EHCI PHY */
335 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
336 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
337 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
338 TWL4030_PM_RECEIVER_DEV_GRP_P1);
341 printf("Beagle xM Rev C\n");
342 setenv("beaglerev", "xMC");
344 /* Set VAUX2 to 1.8V for EHCI PHY */
345 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
346 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
347 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
348 TWL4030_PM_RECEIVER_DEV_GRP_P1);
351 printf("Beagle unknown 0x%02x\n", get_board_revision());
353 /* Set VAUX2 to 1.8V for EHCI PHY */
354 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
355 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
356 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
357 TWL4030_PM_RECEIVER_DEV_GRP_P1);
360 switch (get_expansion_id()) {
361 case TINCANTOOLS_ZIPPY:
362 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
363 expansion_config.revision,
364 expansion_config.fab_revision);
365 MUX_TINCANTOOLS_ZIPPY();
366 setenv("buddy", "zippy");
368 case TINCANTOOLS_ZIPPY2:
369 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
370 expansion_config.revision,
371 expansion_config.fab_revision);
372 MUX_TINCANTOOLS_ZIPPY();
373 setenv("buddy", "zippy2");
375 case TINCANTOOLS_TRAINER:
376 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
377 expansion_config.revision,
378 expansion_config.fab_revision);
379 MUX_TINCANTOOLS_ZIPPY();
380 MUX_TINCANTOOLS_TRAINER();
381 setenv("buddy", "trainer");
383 case TINCANTOOLS_SHOWDOG:
384 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
385 expansion_config.revision,
386 expansion_config.fab_revision);
387 /* Place holder for DSS2 definition for showdog lcd */
388 setenv("defaultdisplay", "showdoglcd");
389 setenv("buddy", "showdog");
391 case KBADC_BEAGLEFPGA:
392 printf("Recognized KBADC Beagle FPGA board\n");
393 MUX_KBADC_BEAGLEFPGA();
394 setenv("buddy", "beaglefpga");
397 printf("Recognized Liquidware BeagleTouch board\n");
398 setenv("buddy", "beagletouch");
401 printf("Recognized Brainmux LCDog board\n");
402 setenv("buddy", "lcdog");
404 case BRAINMUX_LCDOGTOUCH:
405 printf("Recognized Brainmux LCDog Touch board\n");
406 setenv("buddy", "lcdogtouch");
409 printf("Recognized BeagleBoardToys WiFi board\n");
411 setenv("buddy", "bbtoys-wifi");
414 printf("Recognized BeagleBoardToys VGA board\n");
417 printf("Recognized BeagleBoardToys LCD board\n");
420 printf("Recognized bct electronic GmbH brettl3 board\n");
422 case BEAGLE_NO_EEPROM:
423 printf("No EEPROM on expansion board\n");
424 setenv("buddy", "none");
427 printf("Unrecognized expansion board: %x\n",
428 expansion_config.device_vendor);
429 setenv("buddy", "unknown");
432 if (expansion_config.content == 1)
433 setenv(expansion_config.env_var, expansion_config.env_setting);
435 twl4030_power_init();
436 switch (get_board_revision()) {
439 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
442 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
446 /* Set GPIO states before they are made outputs */
447 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
448 &gpio6_base->setdataout);
449 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
450 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
452 /* Configure GPIOs to output */
453 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
454 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
455 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
460 beagle_display_init();
467 * Routine: set_muxconf_regs
468 * Description: Setting up the configuration Mux registers specific to the
469 * hardware. Many pins need to be moved from protect to primary
472 void set_muxconf_regs(void)
477 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
478 int board_mmc_init(bd_t *bis)
485 #ifdef CONFIG_USB_EHCI
486 /* Call usb_stop() before starting the kernel */
487 void show_boot_progress(int val)
489 if (val == BOOTSTAGE_ID_RUN_OS)
493 static struct omap_usbhs_board_data usbhs_bdata = {
494 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
495 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
496 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
499 int ehci_hcd_init(void)
501 return omap_ehci_hcd_init(&usbhs_bdata);
504 int ehci_hcd_stop(void)
506 return omap_ehci_hcd_stop();
509 #endif /* CONFIG_USB_EHCI */
511 #ifndef CONFIG_SPL_BUILD
513 * This command returns the status of the user button on beagle xM
515 * Returns - 1 if button is held down
516 * 0 if button is not held down
518 int do_userbutton(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
524 * pass address parameter as argv[0] (aka command name),
525 * and all remaining args
527 switch (get_board_revision()) {
540 gpio_request(gpio, "");
541 gpio_direction_input(gpio);
542 printf("The user button is currently ");
543 if (gpio_get_value(gpio))
546 printf("PRESSED.\n");
551 printf("NOT pressed.\n");
557 /* -------------------------------------------------------------------- */
560 userbutton, CONFIG_SYS_MAXARGS, 1, do_userbutton,
561 "Return the status of the BeagleBoard USER button",