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 <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
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
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
);
497 omap_die_id_display();
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
)
510 omap_die_id_usbethaddr();
516 * Routine: set_muxconf_regs
517 * Description: Setting up the configuration Mux registers specific to the
518 * hardware. Many pins need to be moved from protect to primary
521 void set_muxconf_regs(void)
526 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
527 int board_mmc_init(bd_t
*bis
)
529 return omap_mmc_init(0, 0, 0, -1, -1);
533 #if defined(CONFIG_GENERIC_MMC)
534 void board_mmc_power_init(void)
536 twl4030_power_mmc_init(0);
540 #if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
541 /* Call usb_stop() before starting the kernel */
542 void show_boot_progress(int val
)
544 if (val
== BOOTSTAGE_ID_RUN_OS
)
548 static struct omap_usbhs_board_data usbhs_bdata
= {
549 .port_mode
[0] = OMAP_EHCI_PORT_MODE_PHY
,
550 .port_mode
[1] = OMAP_EHCI_PORT_MODE_PHY
,
551 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
554 int ehci_hcd_init(int index
, enum usb_init_type init
,
555 struct ehci_hccr
**hccr
, struct ehci_hcor
**hcor
)
557 return omap_ehci_hcd_init(index
, &usbhs_bdata
, hccr
, hcor
);
560 int ehci_hcd_stop(int index
)
562 return omap_ehci_hcd_stop();
565 #endif /* CONFIG_USB_EHCI */
567 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)
568 int board_eth_init(bd_t
*bis
)
570 return usb_eth_initialize(bis
);