2 * Copyright (C) 2009 Integration Software and Electronic Engineering.
4 * Modified from mach-omap2/board-generic.c
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/delay.h>
15 #include <linux/err.h>
16 #include <linux/clk.h>
18 #include <linux/gpio.h>
19 #include <linux/interrupt.h>
21 #include <linux/regulator/machine.h>
22 #include <linux/i2c/twl.h>
23 #include <linux/mmc/host.h>
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
28 #include <plat/board.h>
29 #include <plat/common.h>
30 #include <plat/gpmc.h>
32 #include <plat/display.h>
33 #include <plat/onenand.h>
37 #include "sdram-numonyx-m65kxxxxam.h"
39 #define IGEP2_SMSC911X_CS 5
40 #define IGEP2_SMSC911X_GPIO 176
41 #define IGEP2_GPIO_USBH_NRESET 24
42 #define IGEP2_GPIO_LED0_GREEN 26
43 #define IGEP2_GPIO_LED0_RED 27
44 #define IGEP2_GPIO_LED1_RED 28
45 #define IGEP2_GPIO_DVI_PUP 170
46 #define IGEP2_GPIO_WIFI_NPD 94
47 #define IGEP2_GPIO_WIFI_NRESET 95
50 * IGEP2 Hardware Revision Table
52 * --------------------------
53 * | Id. | Hw Rev. | HW0 (28) |
54 * --------------------------
57 * --------------------------
60 #define IGEP2_BOARD_HWREV_B 0
61 #define IGEP2_BOARD_HWREV_C 1
65 static void __init
igep2_get_revision(void)
69 omap_mux_init_gpio(IGEP2_GPIO_LED1_RED
, OMAP_PIN_INPUT
);
71 if ((gpio_request(IGEP2_GPIO_LED1_RED
, "GPIO_HW0_REV") == 0) &&
72 (gpio_direction_input(IGEP2_GPIO_LED1_RED
) == 0)) {
73 ret
= gpio_get_value(IGEP2_GPIO_LED1_RED
);
75 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
76 hwrev
= IGEP2_BOARD_HWREV_C
;
77 } else if (ret
== 1) {
78 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
79 hwrev
= IGEP2_BOARD_HWREV_B
;
81 pr_err("IGEP2: Unknown Hardware Revision\n");
85 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
86 pr_err("IGEP2: Unknown Hardware Revision\n");
89 gpio_free(IGEP2_GPIO_LED1_RED
);
92 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
93 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
95 #define ONENAND_MAP 0x20000000
97 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
98 * Since the device is equipped with two DataRAMs, and two-plane NAND
99 * Flash memory array, these two component enables simultaneous program
100 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
101 * while Plane2 has only odd blocks such as block1, block3, block5.
102 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
105 static struct mtd_partition igep2_onenand_partitions
[] = {
109 .size
= 2 * (64*(2*2048))
113 .offset
= MTDPART_OFS_APPEND
,
114 .size
= 6 * (64*(2*2048)),
117 .name
= "Environment",
118 .offset
= MTDPART_OFS_APPEND
,
119 .size
= 2 * (64*(2*2048)),
123 .offset
= MTDPART_OFS_APPEND
,
124 .size
= 12 * (64*(2*2048)),
127 .name
= "File System",
128 .offset
= MTDPART_OFS_APPEND
,
129 .size
= MTDPART_SIZ_FULL
,
133 static int igep2_onenand_setup(void __iomem
*onenand_base
, int freq
)
135 /* nothing is required to be setup for onenand as of now */
139 static struct omap_onenand_platform_data igep2_onenand_data
= {
140 .parts
= igep2_onenand_partitions
,
141 .nr_parts
= ARRAY_SIZE(igep2_onenand_partitions
),
142 .onenand_setup
= igep2_onenand_setup
,
143 .dma_channel
= -1, /* disable DMA in OMAP OneNAND driver */
146 static struct platform_device igep2_onenand_device
= {
147 .name
= "omap2-onenand",
150 .platform_data
= &igep2_onenand_data
,
154 static void __init
igep2_flash_init(void)
157 u8 onenandcs
= GPMC_CS_NUM
+ 1;
159 while (cs
< GPMC_CS_NUM
) {
161 ret
= gpmc_cs_read_reg(cs
, GPMC_CS_CONFIG1
);
163 /* Check if NAND/oneNAND is configured */
164 if ((ret
& 0xC00) == 0x800)
166 pr_err("IGEP v2: Unsupported NAND found\n");
168 ret
= gpmc_cs_read_reg(cs
, GPMC_CS_CONFIG7
);
169 if ((ret
& 0x3F) == (ONENAND_MAP
>> 24))
175 if (onenandcs
> GPMC_CS_NUM
) {
176 pr_err("IGEP v2: Unable to find configuration in GPMC\n");
180 if (onenandcs
< GPMC_CS_NUM
) {
181 igep2_onenand_data
.cs
= onenandcs
;
182 if (platform_device_register(&igep2_onenand_device
) < 0)
183 pr_err("IGEP v2: Unable to register OneNAND device\n");
188 static void __init
igep2_flash_init(void) {}
191 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
193 #include <linux/smsc911x.h>
195 static struct smsc911x_platform_config igep2_smsc911x_config
= {
196 .irq_polarity
= SMSC911X_IRQ_POLARITY_ACTIVE_LOW
,
197 .irq_type
= SMSC911X_IRQ_TYPE_OPEN_DRAIN
,
198 .flags
= SMSC911X_USE_32BIT
| SMSC911X_SAVE_MAC_ADDRESS
,
199 .phy_interface
= PHY_INTERFACE_MODE_MII
,
202 static struct resource igep2_smsc911x_resources
[] = {
204 .flags
= IORESOURCE_MEM
,
207 .start
= OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO
),
208 .end
= OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO
),
209 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWLEVEL
,
213 static struct platform_device igep2_smsc911x_device
= {
216 .num_resources
= ARRAY_SIZE(igep2_smsc911x_resources
),
217 .resource
= igep2_smsc911x_resources
,
219 .platform_data
= &igep2_smsc911x_config
,
223 static inline void __init
igep2_init_smsc911x(void)
225 unsigned long cs_mem_base
;
227 if (gpmc_cs_request(IGEP2_SMSC911X_CS
, SZ_16M
, &cs_mem_base
) < 0) {
228 pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
229 gpmc_cs_free(IGEP2_SMSC911X_CS
);
233 igep2_smsc911x_resources
[0].start
= cs_mem_base
+ 0x0;
234 igep2_smsc911x_resources
[0].end
= cs_mem_base
+ 0xff;
236 if ((gpio_request(IGEP2_SMSC911X_GPIO
, "SMSC911X IRQ") == 0) &&
237 (gpio_direction_input(IGEP2_SMSC911X_GPIO
) == 0)) {
238 gpio_export(IGEP2_SMSC911X_GPIO
, 0);
240 pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
244 platform_device_register(&igep2_smsc911x_device
);
248 static inline void __init
igep2_init_smsc911x(void) { }
251 static struct omap_board_config_kernel igep2_config
[] __initdata
= {
254 static struct regulator_consumer_supply igep2_vmmc1_supply
= {
258 static struct regulator_consumer_supply igep2_vmmc2_supply
= {
262 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
263 static struct regulator_init_data igep2_vmmc1
= {
267 .valid_modes_mask
= REGULATOR_MODE_NORMAL
268 | REGULATOR_MODE_STANDBY
,
269 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
270 | REGULATOR_CHANGE_MODE
271 | REGULATOR_CHANGE_STATUS
,
273 .num_consumer_supplies
= 1,
274 .consumer_supplies
= &igep2_vmmc1_supply
,
277 /* VMMC2 for OMAP VDD_MMC2 (i/o) and MMC2 WIFI */
278 static struct regulator_init_data igep2_vmmc2
= {
282 .valid_modes_mask
= REGULATOR_MODE_NORMAL
283 | REGULATOR_MODE_STANDBY
,
284 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
285 | REGULATOR_CHANGE_MODE
286 | REGULATOR_CHANGE_STATUS
,
288 .num_consumer_supplies
= 1,
289 .consumer_supplies
= &igep2_vmmc2_supply
,
292 static struct omap2_hsmmc_info mmc
[] = {
295 .caps
= MMC_CAP_4_BIT_DATA
,
301 .caps
= MMC_CAP_4_BIT_DATA
,
308 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
309 #include <linux/leds.h>
311 static struct gpio_led igep2_gpio_leds
[] = {
313 .name
= "gpio-led:red:d0",
314 .gpio
= IGEP2_GPIO_LED0_RED
,
315 .default_trigger
= "default-off"
318 .name
= "gpio-led:green:d0",
319 .gpio
= IGEP2_GPIO_LED0_GREEN
,
320 .default_trigger
= "default-off",
323 .name
= "gpio-led:red:d1",
324 .gpio
= IGEP2_GPIO_LED1_RED
,
325 .default_trigger
= "default-off",
328 .name
= "gpio-led:green:d1",
329 .default_trigger
= "heartbeat",
330 .gpio
= -EINVAL
, /* gets replaced */
334 static struct gpio_led_platform_data igep2_led_pdata
= {
335 .leds
= igep2_gpio_leds
,
336 .num_leds
= ARRAY_SIZE(igep2_gpio_leds
),
339 static struct platform_device igep2_led_device
= {
343 .platform_data
= &igep2_led_pdata
,
347 static void __init
igep2_leds_init(void)
349 platform_device_register(&igep2_led_device
);
353 static inline void igep2_leds_init(void)
355 if ((gpio_request(IGEP2_GPIO_LED0_RED
, "gpio-led:red:d0") == 0) &&
356 (gpio_direction_output(IGEP2_GPIO_LED0_RED
, 1) == 0)) {
357 gpio_export(IGEP2_GPIO_LED0_RED
, 0);
358 gpio_set_value(IGEP2_GPIO_LED0_RED
, 0);
360 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
362 if ((gpio_request(IGEP2_GPIO_LED0_GREEN
, "gpio-led:green:d0") == 0) &&
363 (gpio_direction_output(IGEP2_GPIO_LED0_GREEN
, 1) == 0)) {
364 gpio_export(IGEP2_GPIO_LED0_GREEN
, 0);
365 gpio_set_value(IGEP2_GPIO_LED0_GREEN
, 0);
367 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
369 if ((gpio_request(IGEP2_GPIO_LED1_RED
, "gpio-led:red:d1") == 0) &&
370 (gpio_direction_output(IGEP2_GPIO_LED1_RED
, 1) == 0)) {
371 gpio_export(IGEP2_GPIO_LED1_RED
, 0);
372 gpio_set_value(IGEP2_GPIO_LED1_RED
, 0);
374 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
379 static int igep2_twl_gpio_setup(struct device
*dev
,
380 unsigned gpio
, unsigned ngpio
)
382 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
383 mmc
[0].gpio_cd
= gpio
+ 0;
384 omap2_hsmmc_init(mmc
);
386 /* link regulators to MMC adapters ... we "know" the
387 * regulators will be set up only *after* we return.
389 igep2_vmmc1_supply
.dev
= mmc
[0].dev
;
390 igep2_vmmc2_supply
.dev
= mmc
[1].dev
;
393 * REVISIT: need ehci-omap hooks for external VBUS
394 * power switch and overcurrent detect
396 if ((gpio_request(gpio
+ 1, "GPIO_EHCI_NOC") < 0) ||
397 (gpio_direction_input(gpio
+ 1) < 0))
398 pr_err("IGEP2: Could not obtain gpio for EHCI NOC");
401 * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN
404 if ((gpio_request(gpio
+ TWL4030_GPIO_MAX
, "GPIO_USBH_CPEN") < 0) ||
405 (gpio_direction_output(gpio
+ TWL4030_GPIO_MAX
, 0) < 0))
406 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
408 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
409 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
410 if ((gpio_request(gpio
+TWL4030_GPIO_MAX
+1, "gpio-led:green:d1") == 0)
411 && (gpio_direction_output(gpio
+ TWL4030_GPIO_MAX
+ 1, 1) == 0)) {
412 gpio_export(gpio
+ TWL4030_GPIO_MAX
+ 1, 0);
413 gpio_set_value(gpio
+ TWL4030_GPIO_MAX
+ 1, 0);
415 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_GREEN\n");
417 igep2_gpio_leds
[3].gpio
= gpio
+ TWL4030_GPIO_MAX
+ 1;
423 static struct twl4030_gpio_platform_data igep2_twl4030_gpio_pdata
= {
424 .gpio_base
= OMAP_MAX_GPIO_LINES
,
425 .irq_base
= TWL4030_GPIO_IRQ_BASE
,
426 .irq_end
= TWL4030_GPIO_IRQ_END
,
428 .setup
= igep2_twl_gpio_setup
,
431 static struct twl4030_usb_data igep2_usb_data
= {
432 .usb_mode
= T2_USB_MODE_ULPI
,
435 static int igep2_enable_dvi(struct omap_dss_device
*dssdev
)
437 gpio_direction_output(IGEP2_GPIO_DVI_PUP
, 1);
442 static void igep2_disable_dvi(struct omap_dss_device
*dssdev
)
444 gpio_direction_output(IGEP2_GPIO_DVI_PUP
, 0);
447 static struct omap_dss_device igep2_dvi_device
= {
448 .type
= OMAP_DISPLAY_TYPE_DPI
,
450 .driver_name
= "generic_panel",
451 .phy
.dpi
.data_lines
= 24,
452 .platform_enable
= igep2_enable_dvi
,
453 .platform_disable
= igep2_disable_dvi
,
456 static struct omap_dss_device
*igep2_dss_devices
[] = {
460 static struct omap_dss_board_info igep2_dss_data
= {
461 .num_devices
= ARRAY_SIZE(igep2_dss_devices
),
462 .devices
= igep2_dss_devices
,
463 .default_device
= &igep2_dvi_device
,
466 static struct platform_device igep2_dss_device
= {
470 .platform_data
= &igep2_dss_data
,
474 static struct regulator_consumer_supply igep2_vpll2_supply
= {
475 .supply
= "vdds_dsi",
476 .dev
= &igep2_dss_device
.dev
,
479 static struct regulator_init_data igep2_vpll2
= {
485 .valid_modes_mask
= REGULATOR_MODE_NORMAL
486 | REGULATOR_MODE_STANDBY
,
487 .valid_ops_mask
= REGULATOR_CHANGE_MODE
488 | REGULATOR_CHANGE_STATUS
,
490 .num_consumer_supplies
= 1,
491 .consumer_supplies
= &igep2_vpll2_supply
,
494 static void __init
igep2_display_init(void)
496 if (gpio_request(IGEP2_GPIO_DVI_PUP
, "GPIO_DVI_PUP") &&
497 gpio_direction_output(IGEP2_GPIO_DVI_PUP
, 1))
498 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
501 static struct platform_device
*igep2_devices
[] __initdata
= {
505 static void __init
igep2_init_irq(void)
507 omap_board_config
= igep2_config
;
508 omap_board_config_size
= ARRAY_SIZE(igep2_config
);
509 omap2_init_common_hw(m65kxxxxam_sdrc_params
, m65kxxxxam_sdrc_params
);
514 static struct twl4030_codec_audio_data igep2_audio_data
= {
515 .audio_mclk
= 26000000,
518 static struct twl4030_codec_data igep2_codec_data
= {
519 .audio_mclk
= 26000000,
520 .audio
= &igep2_audio_data
,
523 static struct twl4030_platform_data igep2_twldata
= {
524 .irq_base
= TWL4030_IRQ_BASE
,
525 .irq_end
= TWL4030_IRQ_END
,
527 /* platform_data for children goes here */
528 .usb
= &igep2_usb_data
,
529 .codec
= &igep2_codec_data
,
530 .gpio
= &igep2_twl4030_gpio_pdata
,
531 .vmmc1
= &igep2_vmmc1
,
532 .vmmc2
= &igep2_vmmc2
,
533 .vpll2
= &igep2_vpll2
,
537 static struct i2c_board_info __initdata igep2_i2c_boardinfo
[] = {
539 I2C_BOARD_INFO("twl4030", 0x48),
540 .flags
= I2C_CLIENT_WAKE
,
541 .irq
= INT_34XX_SYS_NIRQ
,
542 .platform_data
= &igep2_twldata
,
546 static int __init
igep2_i2c_init(void)
548 omap_register_i2c_bus(1, 2600, igep2_i2c_boardinfo
,
549 ARRAY_SIZE(igep2_i2c_boardinfo
));
550 /* Bus 3 is attached to the DVI port where devices like the pico DLP
551 * projector don't work reliably with 400kHz */
552 omap_register_i2c_bus(3, 100, NULL
, 0);
556 static struct omap_musb_board_data musb_board_data
= {
557 .interface_type
= MUSB_INTERFACE_ULPI
,
562 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst
= {
563 .port_mode
[0] = EHCI_HCD_OMAP_MODE_PHY
,
564 .port_mode
[1] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
565 .port_mode
[2] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
568 .reset_gpio_port
[0] = IGEP2_GPIO_USBH_NRESET
,
569 .reset_gpio_port
[1] = -EINVAL
,
570 .reset_gpio_port
[2] = -EINVAL
,
573 #ifdef CONFIG_OMAP_MUX
574 static struct omap_board_mux board_mux
[] __initdata
= {
575 { .reg_offset
= OMAP_MUX_TERMINATOR
},
578 #define board_mux NULL
581 static void __init
igep2_init(void)
583 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
585 /* Get IGEP2 hardware revision */
586 igep2_get_revision();
589 platform_add_devices(igep2_devices
, ARRAY_SIZE(igep2_devices
));
591 usb_musb_init(&musb_board_data
);
592 usb_ehci_init(&ehci_pdata
);
596 igep2_display_init();
597 igep2_init_smsc911x();
599 /* GPIO W-LAN + Bluetooth combo module */
600 if ((gpio_request(IGEP2_GPIO_WIFI_NPD
, "GPIO_WIFI_NPD") == 0) &&
601 (gpio_direction_output(IGEP2_GPIO_WIFI_NPD
, 1) == 0)) {
602 gpio_export(IGEP2_GPIO_WIFI_NPD
, 0);
603 /* gpio_set_value(IGEP2_GPIO_WIFI_NPD, 0); */
605 pr_warning("IGEP v2: Could not obtain gpio GPIO_WIFI_NPD\n");
607 if ((gpio_request(IGEP2_GPIO_WIFI_NRESET
, "GPIO_WIFI_NRESET") == 0) &&
608 (gpio_direction_output(IGEP2_GPIO_WIFI_NRESET
, 1) == 0)) {
609 gpio_export(IGEP2_GPIO_WIFI_NRESET
, 0);
610 gpio_set_value(IGEP2_GPIO_WIFI_NRESET
, 0);
612 gpio_set_value(IGEP2_GPIO_WIFI_NRESET
, 1);
614 pr_warning("IGEP v2: Could not obtain gpio GPIO_WIFI_NRESET\n");
617 MACHINE_START(IGEP0020
, "IGEP v2 board")
618 .phys_io
= 0x48000000,
619 .io_pg_offst
= ((0xfa000000) >> 18) & 0xfffc,
620 .boot_params
= 0x80000100,
621 .map_io
= omap3_map_io
,
622 .reserve
= omap_reserve
,
623 .init_irq
= igep2_init_irq
,
624 .init_machine
= igep2_init
,
625 .timer
= &omap_timer
,