2 * linux/arch/arm/mach-omap2/board-n8x0.c
4 * Copyright (C) 2005-2009 Nokia Corporation
5 * Author: Juha Yrjola <juha.yrjola@nokia.com>
7 * Modified from mach-omap2/board-generic.c
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/clk.h>
15 #include <linux/delay.h>
16 #include <linux/gpio.h>
17 #include <linux/init.h>
19 #include <linux/stddef.h>
20 #include <linux/i2c.h>
21 #include <linux/spi/spi.h>
22 #include <linux/usb/musb.h>
23 #include <sound/tlv320aic3x.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach-types.h>
28 #include <plat/board.h>
30 #include <plat/menelaus.h>
31 #include <mach/irqs.h>
32 #include <plat/mcspi.h>
33 #include <plat/onenand.h>
35 #include <plat/serial.h>
39 #define TUSB6010_ASYNC_CS 1
40 #define TUSB6010_SYNC_CS 4
41 #define TUSB6010_GPIO_INT 58
42 #define TUSB6010_GPIO_ENABLE 0
43 #define TUSB6010_DMACHAN 0x3f
45 #if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
47 * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
48 * 1.5 V voltage regulators of PM companion chip. Companion chip will then
49 * provide then PGOOD signal to TUSB6010 which will release it from reset.
51 static int tusb_set_power(int state
)
56 gpio_set_value(TUSB6010_GPIO_ENABLE
, 1);
59 /* Wait until TUSB6010 pulls INT pin down */
61 while (i
&& gpio_get_value(TUSB6010_GPIO_INT
)) {
67 printk(KERN_ERR
"tusb: powerup failed\n");
71 gpio_set_value(TUSB6010_GPIO_ENABLE
, 0);
78 static struct musb_hdrc_config musb_config
= {
85 static struct musb_hdrc_platform_data tusb_data
= {
86 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
91 .set_power
= tusb_set_power
,
92 .min_power
= 25, /* x2 = 50 mA drawn from VBUS as peripheral */
93 .power
= 100, /* Max 100 mA VBUS for host mode */
94 .config
= &musb_config
,
97 static void __init
n8x0_usb_init(void)
100 static char announce
[] __initdata
= KERN_INFO
"TUSB 6010\n";
102 /* PM companion chip power control pin */
103 ret
= gpio_request_one(TUSB6010_GPIO_ENABLE
, GPIOF_OUT_INIT_LOW
,
106 printk(KERN_ERR
"Could not get TUSB power GPIO%i\n",
107 TUSB6010_GPIO_ENABLE
);
112 ret
= tusb6010_setup_interface(&tusb_data
, TUSB6010_REFCLK_19
, 2,
113 TUSB6010_ASYNC_CS
, TUSB6010_SYNC_CS
,
114 TUSB6010_GPIO_INT
, TUSB6010_DMACHAN
);
123 gpio_free(TUSB6010_GPIO_ENABLE
);
127 static void __init
n8x0_usb_init(void) {}
129 #endif /*CONFIG_USB_MUSB_TUSB6010 */
132 static struct omap2_mcspi_device_config p54spi_mcspi_config
= {
136 static struct spi_board_info n800_spi_board_info
[] __initdata
= {
138 .modalias
= "p54spi",
141 .max_speed_hz
= 48000000,
142 .controller_data
= &p54spi_mcspi_config
,
146 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
147 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
149 static struct mtd_partition onenand_partitions
[] = {
151 .name
= "bootloader",
154 .mask_flags
= MTD_WRITEABLE
, /* Force read-only */
158 .offset
= MTDPART_OFS_APPEND
,
163 .offset
= MTDPART_OFS_APPEND
,
168 .offset
= MTDPART_OFS_APPEND
,
173 .offset
= MTDPART_OFS_APPEND
,
174 .size
= MTDPART_SIZ_FULL
,
178 static struct omap_onenand_platform_data board_onenand_data
[] = {
182 .parts
= onenand_partitions
,
183 .nr_parts
= ARRAY_SIZE(onenand_partitions
),
184 .flags
= ONENAND_SYNC_READ
,
189 #if defined(CONFIG_MENELAUS) && \
190 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
193 * On both N800 and N810, only the first of the two MMC controllers is in use.
194 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
195 * On N800, both slots are powered via Menelaus. On N810, only one of the
196 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
198 * VMMC slot 1 on both N800 and N810
199 * VDCDC3_APE and VMCS2_APE slot 2 on N800
200 * GPIO23 and GPIO9 slot 2 EMMC on N810
203 #define N8X0_SLOT_SWITCH_GPIO 96
204 #define N810_EMMC_VSD_GPIO 23
205 #define N810_EMMC_VIO_GPIO 9
207 static int slot1_cover_open
;
208 static int slot2_cover_open
;
209 static struct device
*mmc_device
;
211 static int n8x0_mmc_switch_slot(struct device
*dev
, int slot
)
213 #ifdef CONFIG_MMC_DEBUG
214 dev_dbg(dev
, "Choose slot %d\n", slot
+ 1);
216 gpio_set_value(N8X0_SLOT_SWITCH_GPIO
, slot
);
220 static int n8x0_mmc_set_power_menelaus(struct device
*dev
, int slot
,
221 int power_on
, int vdd
)
225 #ifdef CONFIG_MMC_DEBUG
226 dev_dbg(dev
, "Set slot %d power: %s (vdd %d)\n", slot
+ 1,
227 power_on
? "on" : "off", vdd
);
231 return menelaus_set_vmmc(0);
244 case MMC_VDD_165_195
:
250 return menelaus_set_vmmc(mV
);
253 return menelaus_set_vdcdc(3, 0);
278 case MMC_VDD_165_195
:
284 return menelaus_set_vdcdc(3, mV
);
289 static void n810_set_power_emmc(struct device
*dev
,
292 dev_dbg(dev
, "Set EMMC power %s\n", power_on
? "on" : "off");
295 gpio_set_value(N810_EMMC_VSD_GPIO
, 1);
297 gpio_set_value(N810_EMMC_VIO_GPIO
, 1);
300 gpio_set_value(N810_EMMC_VIO_GPIO
, 0);
302 gpio_set_value(N810_EMMC_VSD_GPIO
, 0);
307 static int n8x0_mmc_set_power(struct device
*dev
, int slot
, int power_on
,
310 if (machine_is_nokia_n800() || slot
== 0)
311 return n8x0_mmc_set_power_menelaus(dev
, slot
, power_on
, vdd
);
313 n810_set_power_emmc(dev
, power_on
);
318 static int n8x0_mmc_set_bus_mode(struct device
*dev
, int slot
, int bus_mode
)
322 dev_dbg(dev
, "Set slot %d bus mode %s\n", slot
+ 1,
323 bus_mode
== MMC_BUSMODE_OPENDRAIN
? "open-drain" : "push-pull");
324 BUG_ON(slot
!= 0 && slot
!= 1);
327 case MMC_BUSMODE_OPENDRAIN
:
328 r
= menelaus_set_mmc_opendrain(slot
, 1);
330 case MMC_BUSMODE_PUSHPULL
:
331 r
= menelaus_set_mmc_opendrain(slot
, 0);
336 if (r
!= 0 && printk_ratelimit())
337 dev_err(dev
, "MMC: unable to set bus mode for slot %d\n",
342 static int n8x0_mmc_get_cover_state(struct device
*dev
, int slot
)
345 BUG_ON(slot
!= 1 && slot
!= 2);
347 return slot1_cover_open
;
349 return slot2_cover_open
;
352 static void n8x0_mmc_callback(void *data
, u8 card_mask
)
354 int bit
, *openp
, index
;
356 if (machine_is_nokia_n800()) {
358 openp
= &slot2_cover_open
;
362 openp
= &slot1_cover_open
;
371 #ifdef CONFIG_MMC_OMAP
372 omap_mmc_notify_cover_event(mmc_device
, index
, *openp
);
374 pr_warn("MMC: notify cover event not available\n");
378 static int n8x0_mmc_late_init(struct device
*dev
)
385 r
= menelaus_set_slot_sel(1);
389 if (machine_is_nokia_n800())
394 r
= menelaus_set_mmc_slot(2, 0, vs2sel
, 1);
398 n8x0_mmc_set_power(dev
, 0, MMC_POWER_ON
, 16); /* MMC_VDD_28_29 */
399 n8x0_mmc_set_power(dev
, 1, MMC_POWER_ON
, 16);
401 r
= menelaus_set_mmc_slot(1, 1, 0, 1);
404 r
= menelaus_set_mmc_slot(2, 1, vs2sel
, 1);
408 r
= menelaus_get_slot_pin_states();
412 if (machine_is_nokia_n800()) {
414 openp
= &slot2_cover_open
;
417 openp
= &slot1_cover_open
;
418 slot2_cover_open
= 0;
421 /* All slot pin bits seem to be inversed until first switch change */
422 if (r
== 0xf || r
== (0xf & ~bit
))
430 r
= menelaus_register_mmc_callback(n8x0_mmc_callback
, NULL
);
435 static void n8x0_mmc_shutdown(struct device
*dev
)
439 if (machine_is_nokia_n800())
444 menelaus_set_mmc_slot(1, 0, 0, 0);
445 menelaus_set_mmc_slot(2, 0, vs2sel
, 0);
448 static void n8x0_mmc_cleanup(struct device
*dev
)
450 menelaus_unregister_mmc_callback();
452 gpio_free(N8X0_SLOT_SWITCH_GPIO
);
454 if (machine_is_nokia_n810()) {
455 gpio_free(N810_EMMC_VSD_GPIO
);
456 gpio_free(N810_EMMC_VIO_GPIO
);
461 * MMC controller1 has two slots that are multiplexed via I2C.
462 * MMC controller2 is not in use.
464 static struct omap_mmc_platform_data mmc1_data
= {
466 .switch_slot
= n8x0_mmc_switch_slot
,
467 .init
= n8x0_mmc_late_init
,
468 .cleanup
= n8x0_mmc_cleanup
,
469 .shutdown
= n8x0_mmc_shutdown
,
470 .max_freq
= 24000000,
473 .set_power
= n8x0_mmc_set_power
,
474 .set_bus_mode
= n8x0_mmc_set_bus_mode
,
475 .get_cover_state
= n8x0_mmc_get_cover_state
,
476 .ocr_mask
= MMC_VDD_165_195
| MMC_VDD_30_31
|
477 MMC_VDD_32_33
| MMC_VDD_33_34
,
481 .set_power
= n8x0_mmc_set_power
,
482 .set_bus_mode
= n8x0_mmc_set_bus_mode
,
483 .get_cover_state
= n8x0_mmc_get_cover_state
,
484 .ocr_mask
= MMC_VDD_165_195
| MMC_VDD_20_21
|
485 MMC_VDD_21_22
| MMC_VDD_22_23
|
486 MMC_VDD_23_24
| MMC_VDD_24_25
|
487 MMC_VDD_27_28
| MMC_VDD_28_29
|
488 MMC_VDD_29_30
| MMC_VDD_30_31
|
489 MMC_VDD_32_33
| MMC_VDD_33_34
,
494 static struct omap_mmc_platform_data
*mmc_data
[OMAP24XX_NR_MMC
];
496 static struct gpio n810_emmc_gpios
[] __initdata
= {
497 { N810_EMMC_VSD_GPIO
, GPIOF_OUT_INIT_LOW
, "MMC slot 2 Vddf" },
498 { N810_EMMC_VIO_GPIO
, GPIOF_OUT_INIT_LOW
, "MMC slot 2 Vdd" },
501 static void __init
n8x0_mmc_init(void)
505 if (machine_is_nokia_n810()) {
506 mmc1_data
.slots
[0].name
= "external";
509 * Some Samsung Movinand chips do not like open-ended
510 * multi-block reads and fall to braind-dead state
511 * while doing so. Reducing the number of blocks in
512 * the transfer or delays in clock disable do not help
514 mmc1_data
.slots
[1].name
= "internal";
515 mmc1_data
.slots
[1].ban_openended
= 1;
518 err
= gpio_request_one(N8X0_SLOT_SWITCH_GPIO
, GPIOF_OUT_INIT_LOW
,
523 if (machine_is_nokia_n810()) {
524 err
= gpio_request_array(n810_emmc_gpios
,
525 ARRAY_SIZE(n810_emmc_gpios
));
527 gpio_free(N8X0_SLOT_SWITCH_GPIO
);
532 mmc_data
[0] = &mmc1_data
;
533 omap242x_init_mmc(mmc_data
);
537 void __init
n8x0_mmc_init(void)
540 #endif /* CONFIG_MMC_OMAP */
542 #ifdef CONFIG_MENELAUS
544 static int n8x0_auto_sleep_regulators(void)
549 val
= EN_VPLL_SLEEP
| EN_VMMC_SLEEP \
550 | EN_VAUX_SLEEP
| EN_VIO_SLEEP \
551 | EN_VMEM_SLEEP
| EN_DC3_SLEEP \
552 | EN_VC_SLEEP
| EN_DC2_SLEEP
;
554 ret
= menelaus_set_regulator_sleep(1, val
);
556 pr_err("Could not set regulators to sleep on menelaus: %u\n",
563 static int n8x0_auto_voltage_scale(void)
567 ret
= menelaus_set_vcore_hw(1400, 1050);
569 pr_err("Could not set VCORE voltage on menelaus: %u\n", ret
);
575 static int n8x0_menelaus_late_init(struct device
*dev
)
579 ret
= n8x0_auto_voltage_scale();
582 ret
= n8x0_auto_sleep_regulators();
589 static int n8x0_menelaus_late_init(struct device
*dev
)
595 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata
= {
596 .late_init
= n8x0_menelaus_late_init
,
599 static struct i2c_board_info __initdata n8x0_i2c_board_info_1
[] __initdata
= {
601 I2C_BOARD_INFO("menelaus", 0x72),
602 .irq
= INT_24XX_SYS_NIRQ
,
603 .platform_data
= &n8x0_menelaus_platform_data
,
607 static struct aic3x_pdata n810_aic33_data __initdata
= {
611 static struct i2c_board_info n810_i2c_board_info_2
[] __initdata
= {
613 I2C_BOARD_INFO("tlv320aic3x", 0x18),
614 .platform_data
= &n810_aic33_data
,
618 #ifdef CONFIG_OMAP_MUX
619 static struct omap_board_mux board_mux
[] __initdata
= {
620 /* I2S codec port pins for McBSP block */
621 OMAP2420_MUX(EAC_AC_SCLK
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
622 OMAP2420_MUX(EAC_AC_FS
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
623 OMAP2420_MUX(EAC_AC_DIN
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
624 OMAP2420_MUX(EAC_AC_DOUT
, OMAP_MUX_MODE1
| OMAP_PIN_OUTPUT
),
625 { .reg_offset
= OMAP_MUX_TERMINATOR
},
628 static struct omap_device_pad serial2_pads
[] __initdata
= {
630 .name
= "uart3_rx_irrx.uart3_rx_irrx",
631 .flags
= OMAP_DEVICE_PAD_REMUX
| OMAP_DEVICE_PAD_WAKEUP
,
632 .enable
= OMAP_MUX_MODE0
,
633 .idle
= OMAP_MUX_MODE3
/* Mux as GPIO for idle */
637 static inline void board_serial_init(void)
639 struct omap_board_data bdata
;
646 omap_serial_init_port(&bdata
, NULL
);
649 omap_serial_init_port(&bdata
, NULL
);
652 bdata
.pads
= serial2_pads
;
653 bdata
.pads_cnt
= ARRAY_SIZE(serial2_pads
);
654 omap_serial_init_port(&bdata
, NULL
);
659 static inline void board_serial_init(void)
666 static void __init
n8x0_init_machine(void)
668 omap2420_mux_init(board_mux
, OMAP_PACKAGE_ZAC
);
669 /* FIXME: add n810 spi devices */
670 spi_register_board_info(n800_spi_board_info
,
671 ARRAY_SIZE(n800_spi_board_info
));
672 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1
,
673 ARRAY_SIZE(n8x0_i2c_board_info_1
));
674 omap_register_i2c_bus(2, 400, NULL
, 0);
675 if (machine_is_nokia_n810())
676 i2c_register_board_info(2, n810_i2c_board_info_2
,
677 ARRAY_SIZE(n810_i2c_board_info_2
));
679 omap_sdrc_init(NULL
, NULL
);
680 gpmc_onenand_init(board_onenand_data
);
685 MACHINE_START(NOKIA_N800
, "Nokia N800")
686 .atag_offset
= 0x100,
687 .reserve
= omap_reserve
,
688 .map_io
= omap242x_map_io
,
689 .init_early
= omap2420_init_early
,
690 .init_irq
= omap2_init_irq
,
691 .handle_irq
= omap2_intc_handle_irq
,
692 .init_machine
= n8x0_init_machine
,
693 .init_late
= omap2420_init_late
,
694 .timer
= &omap2_timer
,
695 .restart
= omap_prcm_restart
,
698 MACHINE_START(NOKIA_N810
, "Nokia N810")
699 .atag_offset
= 0x100,
700 .reserve
= omap_reserve
,
701 .map_io
= omap242x_map_io
,
702 .init_early
= omap2420_init_early
,
703 .init_irq
= omap2_init_irq
,
704 .handle_irq
= omap2_intc_handle_irq
,
705 .init_machine
= n8x0_init_machine
,
706 .init_late
= omap2420_init_late
,
707 .timer
= &omap2_timer
,
708 .restart
= omap_prcm_restart
,
711 MACHINE_START(NOKIA_N810_WIMAX
, "Nokia N810 WiMAX")
712 .atag_offset
= 0x100,
713 .reserve
= omap_reserve
,
714 .map_io
= omap242x_map_io
,
715 .init_early
= omap2420_init_early
,
716 .init_irq
= omap2_init_irq
,
717 .handle_irq
= omap2_intc_handle_irq
,
718 .init_machine
= n8x0_init_machine
,
719 .init_late
= omap2420_init_late
,
720 .timer
= &omap2_timer
,
721 .restart
= omap_prcm_restart
,