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() {
260 switch (get_board_revision()) {
265 gpio_request(170, "");
266 gpio_direction_output(170, 0);
267 gpio_set_value(170, 1);
272 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
273 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
275 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
277 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
279 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
281 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
287 * Routine: misc_init_r
288 * Description: Configure board specific parts
290 int misc_init_r(void)
292 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
293 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
294 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
296 /* Enable i2c2 pullup resisters */
297 writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
299 switch (get_board_revision()) {
301 printf("Beagle Rev Ax/Bx\n");
302 setenv("beaglerev", "AxBx");
305 printf("Beagle Rev C1/C2/C3\n");
306 setenv("beaglerev", "Cx");
310 printf("Beagle Rev C4\n");
311 setenv("beaglerev", "C4");
313 /* Set VAUX2 to 1.8V for EHCI PHY */
314 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
315 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
316 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
317 TWL4030_PM_RECEIVER_DEV_GRP_P1);
320 printf("Beagle xM Rev A\n");
321 setenv("beaglerev", "xMA");
323 /* Set VAUX2 to 1.8V for EHCI PHY */
324 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
325 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
326 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
327 TWL4030_PM_RECEIVER_DEV_GRP_P1);
330 printf("Beagle xM Rev B\n");
331 setenv("beaglerev", "xMB");
333 /* Set VAUX2 to 1.8V for EHCI PHY */
334 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
335 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
336 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
337 TWL4030_PM_RECEIVER_DEV_GRP_P1);
340 printf("Beagle xM Rev C\n");
341 setenv("beaglerev", "xMC");
343 /* Set VAUX2 to 1.8V for EHCI PHY */
344 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
345 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
346 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
347 TWL4030_PM_RECEIVER_DEV_GRP_P1);
350 printf("Beagle unknown 0x%02x\n", get_board_revision());
352 /* Set VAUX2 to 1.8V for EHCI PHY */
353 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
354 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
355 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
356 TWL4030_PM_RECEIVER_DEV_GRP_P1);
359 switch (get_expansion_id()) {
360 case TINCANTOOLS_ZIPPY:
361 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
362 expansion_config.revision,
363 expansion_config.fab_revision);
364 MUX_TINCANTOOLS_ZIPPY();
365 setenv("buddy", "zippy");
367 case TINCANTOOLS_ZIPPY2:
368 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
369 expansion_config.revision,
370 expansion_config.fab_revision);
371 MUX_TINCANTOOLS_ZIPPY();
372 setenv("buddy", "zippy2");
374 case TINCANTOOLS_TRAINER:
375 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
376 expansion_config.revision,
377 expansion_config.fab_revision);
378 MUX_TINCANTOOLS_ZIPPY();
379 MUX_TINCANTOOLS_TRAINER();
380 setenv("buddy", "trainer");
382 case TINCANTOOLS_SHOWDOG:
383 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
384 expansion_config.revision,
385 expansion_config.fab_revision);
386 /* Place holder for DSS2 definition for showdog lcd */
387 setenv("defaultdisplay", "showdoglcd");
388 setenv("buddy", "showdog");
390 case KBADC_BEAGLEFPGA:
391 printf("Recognized KBADC Beagle FPGA board\n");
392 MUX_KBADC_BEAGLEFPGA();
393 setenv("buddy", "beaglefpga");
396 printf("Recognized Liquidware BeagleTouch board\n");
397 setenv("buddy", "beagletouch");
400 printf("Recognized Brainmux LCDog board\n");
401 setenv("buddy", "lcdog");
403 case BRAINMUX_LCDOGTOUCH:
404 printf("Recognized Brainmux LCDog Touch board\n");
405 setenv("buddy", "lcdogtouch");
408 printf("Recognized BeagleBoardToys WiFi board\n");
410 setenv("buddy", "bbtoys-wifi");
413 printf("Recognized BeagleBoardToys VGA board\n");
416 printf("Recognized BeagleBoardToys LCD board\n");
419 printf("Recognized bct electronic GmbH brettl3 board\n");
421 case BEAGLE_NO_EEPROM:
422 printf("No EEPROM on expansion board\n");
423 setenv("buddy", "none");
426 printf("Unrecognized expansion board: %x\n",
427 expansion_config.device_vendor);
428 setenv("buddy", "unknown");
431 if (expansion_config.content == 1)
432 setenv(expansion_config.env_var, expansion_config.env_setting);
434 twl4030_power_init();
435 switch (get_board_revision()) {
438 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
441 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
445 /* Set GPIO states before they are made outputs */
446 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
447 &gpio6_base->setdataout);
448 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
449 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
451 /* Configure GPIOs to output */
452 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
453 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
454 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
459 beagle_display_init();
466 * Routine: set_muxconf_regs
467 * Description: Setting up the configuration Mux registers specific to the
468 * hardware. Many pins need to be moved from protect to primary
471 void set_muxconf_regs(void)
476 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
477 int board_mmc_init(bd_t *bis)
484 #ifdef CONFIG_USB_EHCI
485 /* Call usb_stop() before starting the kernel */
486 void show_boot_progress(int val)
488 if (val == BOOTSTAGE_ID_RUN_OS)
492 static struct omap_usbhs_board_data usbhs_bdata = {
493 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
494 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
495 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
498 int ehci_hcd_init(void)
500 return omap_ehci_hcd_init(&usbhs_bdata);
503 int ehci_hcd_stop(void)
505 return omap_ehci_hcd_stop();
508 #endif /* CONFIG_USB_EHCI */
510 #ifndef CONFIG_SPL_BUILD
512 * This command returns the status of the user button on beagle xM
514 * Returns - 1 if button is held down
515 * 0 if button is not held down
517 int do_userbutton(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
523 * pass address parameter as argv[0] (aka command name),
524 * and all remaining args
526 switch (get_board_revision()) {
539 gpio_request(gpio, "");
540 gpio_direction_input(gpio);
541 printf("The user button is currently ");
542 if (gpio_get_value(gpio))
545 printf("PRESSED.\n");
550 printf("NOT pressed.\n");
556 /* -------------------------------------------------------------------- */
559 userbutton, CONFIG_SYS_MAXARGS, 1, do_userbutton,
560 "Return the status of the BeagleBoard USER button",