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_LED_STATUS
20 #include <status_led.h>
23 #include <linux/mtd/rawnand.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 <linux/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_HCD
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
= {
76 .base
= OMAP34XX_UART3
,
78 .clock
= V_NS16550_CLK
,
79 .fcr
= UART_FCR_DEFVAL
,
82 U_BOOT_DEVICE(beagle_uart
) = {
89 * Description: Early hardware init.
93 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
94 /* board id for Linux */
95 gd
->bd
->bi_arch_number
= MACH_TYPE_OMAP3_BEAGLE
;
97 gd
->bd
->bi_boot_params
= (OMAP34XX_SDRC_CS0
+ 0x100);
99 #if defined(CONFIG_LED_STATUS) && defined(CONFIG_LED_STATUS_BOOT_ENABLE)
100 status_led_set(CONFIG_LED_STATUS_BOOT
, CONFIG_LED_STATUS_ON
);
107 * Routine: get_board_revision
108 * Description: Detect if we are running on a Beagle revision Ax/Bx,
109 * C1/2/3, C4, xM Ax/Bx or xM Cx. This can be done by reading
110 * the level of GPIO173, GPIO172 and GPIO171. This should
112 * GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
113 * GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
114 * GPIO173, GPIO172, GPIO171: 1 0 1 => C4
115 * GPIO173, GPIO172, GPIO171: 0 1 0 => xM Cx
116 * GPIO173, GPIO172, GPIO171: 0 0 0 => xM Ax/Bx
118 static int get_board_revision(void)
120 static int revision
= -1;
122 if (revision
== -1) {
123 if (!gpio_request(171, "rev0") &&
124 !gpio_request(172, "rev1") &&
125 !gpio_request(173, "rev2")) {
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
;
187 timings
->mcfg
= MICRON_V_MCFG_200(256 << 20);
188 timings
->ctrla
= MICRON_V_ACTIMA_200
;
189 timings
->ctrlb
= MICRON_V_ACTIMB_200
;
190 timings
->rfr_ctrl
= SDP_3430_SDRC_RFR_CTRL_200MHz
;
193 timings
->mcfg
= NUMONYX_V_MCFG_165(512 << 20);
194 timings
->ctrla
= NUMONYX_V_ACTIMA_165
;
195 timings
->ctrlb
= NUMONYX_V_ACTIMB_165
;
196 timings
->rfr_ctrl
= SDP_3430_SDRC_RFR_CTRL_165MHz
;
200 /* Assume 128MB and Micron/165MHz timings to be safe */
201 timings
->mcfg
= MICRON_V_MCFG_165(128 << 20);
202 timings
->ctrla
= MICRON_V_ACTIMA_165
;
203 timings
->ctrlb
= MICRON_V_ACTIMB_165
;
204 timings
->rfr_ctrl
= SDP_3430_SDRC_RFR_CTRL_165MHz
;
210 * Routine: get_expansion_id
211 * Description: This function checks for expansion board by checking I2C
212 * bus 1 for the availability of an AT24C01B serial EEPROM.
213 * returns the device_vendor field from the EEPROM
215 static unsigned int get_expansion_id(void)
217 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS
);
219 /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
220 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS
) == 1) {
221 i2c_set_bus_num(TWL4030_I2C_BUS
);
222 return BEAGLE_NO_EEPROM
;
225 /* read configuration data */
226 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS
, 0, 1, (u8
*)&expansion_config
,
227 sizeof(expansion_config
));
229 /* retry reading configuration data with 16bit addressing */
230 if ((expansion_config
.device_vendor
== 0xFFFFFF00) ||
231 (expansion_config
.device_vendor
== 0xFFFFFFFF)) {
232 printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
233 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS
, 0, 2, (u8
*)&expansion_config
,
234 sizeof(expansion_config
));
237 i2c_set_bus_num(TWL4030_I2C_BUS
);
239 return expansion_config
.device_vendor
;
242 #ifdef CONFIG_VIDEO_OMAP3
244 * Configure DSS to display background color on DVID
245 * Configure VENC to display color bar on S-Video
247 static void beagle_display_init(void)
249 omap3_dss_venc_config(&venc_config_std_tv
, VENC_HEIGHT
, VENC_WIDTH
);
250 switch (get_board_revision()) {
254 omap3_dss_panel_config(&dvid_cfg
);
259 omap3_dss_panel_config(&dvid_cfg_xm
);
267 static void beagle_dvi_pup(void)
271 switch (get_board_revision()) {
275 gpio_request(170, "dvi");
276 gpio_direction_output(170, 0);
277 gpio_set_value(170, 1);
282 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
283 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
285 i2c_read(TWL4030_CHIP_GPIO
, GPIODATADIR1
, 1, &val
, 1);
287 i2c_write(TWL4030_CHIP_GPIO
, GPIODATADIR1
, 1, &val
, 1);
289 i2c_read(TWL4030_CHIP_GPIO
, GPIODATAOUT1
, 1, &val
, 1);
291 i2c_write(TWL4030_CHIP_GPIO
, GPIODATAOUT1
, 1, &val
, 1);
297 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
298 static struct musb_hdrc_config musb_config
= {
305 static struct omap_musb_board_data musb_board_data
= {
306 .interface_type
= MUSB_INTERFACE_ULPI
,
309 static struct musb_hdrc_platform_data musb_plat
= {
310 #if defined(CONFIG_USB_MUSB_HOST)
312 #elif defined(CONFIG_USB_MUSB_GADGET)
313 .mode
= MUSB_PERIPHERAL
,
315 #error "Please define either CONFIG_USB_MUSB_HOST or CONFIG_USB_MUSB_GADGET"
317 .config
= &musb_config
,
319 .platform_ops
= &omap2430_ops
,
320 .board_data
= &musb_board_data
,
325 * Routine: misc_init_r
326 * Description: Configure board specific parts
328 int misc_init_r(void)
330 struct gpio
*gpio5_base
= (struct gpio
*)OMAP34XX_GPIO5_BASE
;
331 struct gpio
*gpio6_base
= (struct gpio
*)OMAP34XX_GPIO6_BASE
;
332 struct control_prog_io
*prog_io_base
= (struct control_prog_io
*)OMAP34XX_CTRL_BASE
;
333 bool generate_fake_mac
= false;
336 /* Enable i2c2 pullup resisters */
337 value
= readl(&prog_io_base
->io1
);
338 value
&= ~(PRG_I2C2_PULLUPRESX
);
339 writel(value
, &prog_io_base
->io1
);
341 switch (get_board_revision()) {
343 printf("Beagle Rev Ax/Bx\n");
344 env_set("beaglerev", "AxBx");
347 printf("Beagle Rev C1/C2/C3\n");
348 env_set("beaglerev", "Cx");
352 printf("Beagle Rev C4\n");
353 env_set("beaglerev", "C4");
355 /* Set VAUX2 to 1.8V for EHCI PHY */
356 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED
,
357 TWL4030_PM_RECEIVER_VAUX2_VSEL_18
,
358 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP
,
359 TWL4030_PM_RECEIVER_DEV_GRP_P1
);
362 printf("Beagle xM Rev A/B\n");
363 env_set("beaglerev", "xMAB");
365 /* Set VAUX2 to 1.8V for EHCI PHY */
366 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED
,
367 TWL4030_PM_RECEIVER_VAUX2_VSEL_18
,
368 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP
,
369 TWL4030_PM_RECEIVER_DEV_GRP_P1
);
370 generate_fake_mac
= true;
373 printf("Beagle xM Rev C\n");
374 env_set("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
);
381 generate_fake_mac
= true;
384 printf("Beagle unknown 0x%02x\n", get_board_revision());
386 /* Set VAUX2 to 1.8V for EHCI PHY */
387 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED
,
388 TWL4030_PM_RECEIVER_VAUX2_VSEL_18
,
389 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP
,
390 TWL4030_PM_RECEIVER_DEV_GRP_P1
);
391 generate_fake_mac
= true;
394 switch (get_expansion_id()) {
395 case TINCANTOOLS_ZIPPY
:
396 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
397 expansion_config
.revision
,
398 expansion_config
.fab_revision
);
399 MUX_TINCANTOOLS_ZIPPY();
400 env_set("buddy", "zippy");
402 case TINCANTOOLS_ZIPPY2
:
403 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
404 expansion_config
.revision
,
405 expansion_config
.fab_revision
);
406 MUX_TINCANTOOLS_ZIPPY();
407 env_set("buddy", "zippy2");
409 case TINCANTOOLS_TRAINER
:
410 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
411 expansion_config
.revision
,
412 expansion_config
.fab_revision
);
413 MUX_TINCANTOOLS_ZIPPY();
414 MUX_TINCANTOOLS_TRAINER();
415 env_set("buddy", "trainer");
417 case TINCANTOOLS_SHOWDOG
:
418 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
419 expansion_config
.revision
,
420 expansion_config
.fab_revision
);
421 /* Place holder for DSS2 definition for showdog lcd */
422 env_set("defaultdisplay", "showdoglcd");
423 env_set("buddy", "showdog");
425 case KBADC_BEAGLEFPGA
:
426 printf("Recognized KBADC Beagle FPGA board\n");
427 MUX_KBADC_BEAGLEFPGA();
428 env_set("buddy", "beaglefpga");
431 printf("Recognized Liquidware BeagleTouch board\n");
432 env_set("buddy", "beagletouch");
435 printf("Recognized Brainmux LCDog board\n");
436 env_set("buddy", "lcdog");
438 case BRAINMUX_LCDOGTOUCH
:
439 printf("Recognized Brainmux LCDog Touch board\n");
440 env_set("buddy", "lcdogtouch");
443 printf("Recognized BeagleBoardToys WiFi board\n");
445 env_set("buddy", "bbtoys-wifi");
448 printf("Recognized BeagleBoardToys VGA board\n");
451 printf("Recognized BeagleBoardToys LCD board\n");
454 printf("Recognized bct electronic GmbH brettl3 board\n");
457 printf("Recognized bct electronic GmbH brettl4 board\n");
460 printf("Recognized LSR COM6L Adapter Board\n");
462 env_set("buddy", "lsr-com6l-adpt");
464 case BEAGLE_NO_EEPROM
:
465 printf("No EEPROM on expansion board\n");
466 env_set("buddy", "none");
469 printf("Unrecognized expansion board: %x\n",
470 expansion_config
.device_vendor
);
471 env_set("buddy", "unknown");
474 if (expansion_config
.content
== 1)
475 env_set(expansion_config
.env_var
, expansion_config
.env_setting
);
477 twl4030_power_init();
478 switch (get_board_revision()) {
480 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON
);
483 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON
| TWL4030_LED_LEDEN_LEDBON
);
487 /* Set GPIO states before they are made outputs */
488 writel(GPIO23
| GPIO10
| GPIO8
| GPIO2
| GPIO1
,
489 &gpio6_base
->setdataout
);
490 writel(GPIO31
| GPIO30
| GPIO29
| GPIO28
| GPIO22
| GPIO21
|
491 GPIO15
| GPIO14
| GPIO13
| GPIO12
, &gpio5_base
->setdataout
);
493 /* Configure GPIOs to output */
494 writel(~(GPIO23
| GPIO10
| GPIO8
| GPIO2
| GPIO1
), &gpio6_base
->oe
);
495 writel(~(GPIO31
| GPIO30
| GPIO29
| GPIO28
| GPIO22
| GPIO21
|
496 GPIO15
| GPIO14
| GPIO13
| GPIO12
), &gpio5_base
->oe
);
498 omap_die_id_display();
500 #ifdef CONFIG_VIDEO_OMAP3
502 beagle_display_init();
506 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
507 musb_register(&musb_plat
, &musb_board_data
, (void *)MUSB_BASE
);
510 if (generate_fake_mac
)
511 omap_die_id_usbethaddr();
517 * Routine: set_muxconf_regs
518 * Description: Setting up the configuration Mux registers specific to the
519 * hardware. Many pins need to be moved from protect to primary
522 void set_muxconf_regs(void)
527 #if defined(CONFIG_MMC)
528 int board_mmc_init(bd_t
*bis
)
530 return omap_mmc_init(0, 0, 0, -1, -1);
534 #if defined(CONFIG_MMC)
535 void board_mmc_power_init(void)
537 twl4030_power_mmc_init(0);
541 #if defined(CONFIG_USB_EHCI_HCD) && !defined(CONFIG_SPL_BUILD)
542 /* Call usb_stop() before starting the kernel */
543 void show_boot_progress(int val
)
545 if (val
== BOOTSTAGE_ID_RUN_OS
)
549 static struct omap_usbhs_board_data usbhs_bdata
= {
550 .port_mode
[0] = OMAP_EHCI_PORT_MODE_PHY
,
551 .port_mode
[1] = OMAP_EHCI_PORT_MODE_PHY
,
552 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
555 int ehci_hcd_init(int index
, enum usb_init_type init
,
556 struct ehci_hccr
**hccr
, struct ehci_hcor
**hcor
)
558 return omap_ehci_hcd_init(index
, &usbhs_bdata
, hccr
, hcor
);
561 int ehci_hcd_stop(int index
)
563 return omap_ehci_hcd_stop();
566 #endif /* CONFIG_USB_EHCI_HCD */
568 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)
569 int board_eth_init(bd_t
*bis
)
571 return usb_eth_initialize(bis
);