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 static int slot1_cover_open
;
40 static int slot2_cover_open
;
41 static struct device
*mmc_device
;
43 #define TUSB6010_ASYNC_CS 1
44 #define TUSB6010_SYNC_CS 4
45 #define TUSB6010_GPIO_INT 58
46 #define TUSB6010_GPIO_ENABLE 0
47 #define TUSB6010_DMACHAN 0x3f
49 #if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
51 * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
52 * 1.5 V voltage regulators of PM companion chip. Companion chip will then
53 * provide then PGOOD signal to TUSB6010 which will release it from reset.
55 static int tusb_set_power(int state
)
60 gpio_set_value(TUSB6010_GPIO_ENABLE
, 1);
63 /* Wait until TUSB6010 pulls INT pin down */
65 while (i
&& gpio_get_value(TUSB6010_GPIO_INT
)) {
71 printk(KERN_ERR
"tusb: powerup failed\n");
75 gpio_set_value(TUSB6010_GPIO_ENABLE
, 0);
82 static struct musb_hdrc_config musb_config
= {
89 static struct musb_hdrc_platform_data tusb_data
= {
90 #if defined(CONFIG_USB_MUSB_OTG)
92 #elif defined(CONFIG_USB_MUSB_PERIPHERAL)
93 .mode
= MUSB_PERIPHERAL
,
94 #else /* defined(CONFIG_USB_MUSB_HOST) */
97 .set_power
= tusb_set_power
,
98 .min_power
= 25, /* x2 = 50 mA drawn from VBUS as peripheral */
99 .power
= 100, /* Max 100 mA VBUS for host mode */
100 .config
= &musb_config
,
103 static void __init
n8x0_usb_init(void)
106 static char announce
[] __initdata
= KERN_INFO
"TUSB 6010\n";
108 /* PM companion chip power control pin */
109 ret
= gpio_request_one(TUSB6010_GPIO_ENABLE
, GPIOF_OUT_INIT_LOW
,
112 printk(KERN_ERR
"Could not get TUSB power GPIO%i\n",
113 TUSB6010_GPIO_ENABLE
);
118 ret
= tusb6010_setup_interface(&tusb_data
, TUSB6010_REFCLK_19
, 2,
119 TUSB6010_ASYNC_CS
, TUSB6010_SYNC_CS
,
120 TUSB6010_GPIO_INT
, TUSB6010_DMACHAN
);
129 gpio_free(TUSB6010_GPIO_ENABLE
);
133 static void __init
n8x0_usb_init(void) {}
135 #endif /*CONFIG_USB_MUSB_TUSB6010 */
138 static struct omap2_mcspi_device_config p54spi_mcspi_config
= {
143 static struct spi_board_info n800_spi_board_info
[] __initdata
= {
145 .modalias
= "p54spi",
148 .max_speed_hz
= 48000000,
149 .controller_data
= &p54spi_mcspi_config
,
153 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
154 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
156 static struct mtd_partition onenand_partitions
[] = {
158 .name
= "bootloader",
161 .mask_flags
= MTD_WRITEABLE
, /* Force read-only */
165 .offset
= MTDPART_OFS_APPEND
,
170 .offset
= MTDPART_OFS_APPEND
,
175 .offset
= MTDPART_OFS_APPEND
,
180 .offset
= MTDPART_OFS_APPEND
,
181 .size
= MTDPART_SIZ_FULL
,
185 static struct omap_onenand_platform_data board_onenand_data
[] = {
189 .parts
= onenand_partitions
,
190 .nr_parts
= ARRAY_SIZE(onenand_partitions
),
191 .flags
= ONENAND_SYNC_READ
,
196 #if defined(CONFIG_MENELAUS) && \
197 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
200 * On both N800 and N810, only the first of the two MMC controllers is in use.
201 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
202 * On N800, both slots are powered via Menelaus. On N810, only one of the
203 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
205 * VMMC slot 1 on both N800 and N810
206 * VDCDC3_APE and VMCS2_APE slot 2 on N800
207 * GPIO23 and GPIO9 slot 2 EMMC on N810
210 #define N8X0_SLOT_SWITCH_GPIO 96
211 #define N810_EMMC_VSD_GPIO 23
212 #define N810_EMMC_VIO_GPIO 9
214 static int n8x0_mmc_switch_slot(struct device
*dev
, int slot
)
216 #ifdef CONFIG_MMC_DEBUG
217 dev_dbg(dev
, "Choose slot %d\n", slot
+ 1);
219 gpio_set_value(N8X0_SLOT_SWITCH_GPIO
, slot
);
223 static int n8x0_mmc_set_power_menelaus(struct device
*dev
, int slot
,
224 int power_on
, int vdd
)
228 #ifdef CONFIG_MMC_DEBUG
229 dev_dbg(dev
, "Set slot %d power: %s (vdd %d)\n", slot
+ 1,
230 power_on
? "on" : "off", vdd
);
234 return menelaus_set_vmmc(0);
247 case MMC_VDD_165_195
:
253 return menelaus_set_vmmc(mV
);
256 return menelaus_set_vdcdc(3, 0);
281 case MMC_VDD_165_195
:
287 return menelaus_set_vdcdc(3, mV
);
292 static void n810_set_power_emmc(struct device
*dev
,
295 dev_dbg(dev
, "Set EMMC power %s\n", power_on
? "on" : "off");
298 gpio_set_value(N810_EMMC_VSD_GPIO
, 1);
300 gpio_set_value(N810_EMMC_VIO_GPIO
, 1);
303 gpio_set_value(N810_EMMC_VIO_GPIO
, 0);
305 gpio_set_value(N810_EMMC_VSD_GPIO
, 0);
310 static int n8x0_mmc_set_power(struct device
*dev
, int slot
, int power_on
,
313 if (machine_is_nokia_n800() || slot
== 0)
314 return n8x0_mmc_set_power_menelaus(dev
, slot
, power_on
, vdd
);
316 n810_set_power_emmc(dev
, power_on
);
321 static int n8x0_mmc_set_bus_mode(struct device
*dev
, int slot
, int bus_mode
)
325 dev_dbg(dev
, "Set slot %d bus mode %s\n", slot
+ 1,
326 bus_mode
== MMC_BUSMODE_OPENDRAIN
? "open-drain" : "push-pull");
327 BUG_ON(slot
!= 0 && slot
!= 1);
330 case MMC_BUSMODE_OPENDRAIN
:
331 r
= menelaus_set_mmc_opendrain(slot
, 1);
333 case MMC_BUSMODE_PUSHPULL
:
334 r
= menelaus_set_mmc_opendrain(slot
, 0);
339 if (r
!= 0 && printk_ratelimit())
340 dev_err(dev
, "MMC: unable to set bus mode for slot %d\n",
345 static int n8x0_mmc_get_cover_state(struct device
*dev
, int slot
)
348 BUG_ON(slot
!= 1 && slot
!= 2);
350 return slot1_cover_open
;
352 return slot2_cover_open
;
355 static void n8x0_mmc_callback(void *data
, u8 card_mask
)
357 int bit
, *openp
, index
;
359 if (machine_is_nokia_n800()) {
361 openp
= &slot2_cover_open
;
365 openp
= &slot1_cover_open
;
374 #ifdef CONFIG_MMC_OMAP
375 omap_mmc_notify_cover_event(mmc_device
, index
, *openp
);
377 pr_warn("MMC: notify cover event not available\n");
381 static int n8x0_mmc_late_init(struct device
*dev
)
388 r
= menelaus_set_slot_sel(1);
392 if (machine_is_nokia_n800())
397 r
= menelaus_set_mmc_slot(2, 0, vs2sel
, 1);
401 n8x0_mmc_set_power(dev
, 0, MMC_POWER_ON
, 16); /* MMC_VDD_28_29 */
402 n8x0_mmc_set_power(dev
, 1, MMC_POWER_ON
, 16);
404 r
= menelaus_set_mmc_slot(1, 1, 0, 1);
407 r
= menelaus_set_mmc_slot(2, 1, vs2sel
, 1);
411 r
= menelaus_get_slot_pin_states();
415 if (machine_is_nokia_n800()) {
417 openp
= &slot2_cover_open
;
420 openp
= &slot1_cover_open
;
421 slot2_cover_open
= 0;
424 /* All slot pin bits seem to be inversed until first switch change */
425 if (r
== 0xf || r
== (0xf & ~bit
))
433 r
= menelaus_register_mmc_callback(n8x0_mmc_callback
, NULL
);
438 static void n8x0_mmc_shutdown(struct device
*dev
)
442 if (machine_is_nokia_n800())
447 menelaus_set_mmc_slot(1, 0, 0, 0);
448 menelaus_set_mmc_slot(2, 0, vs2sel
, 0);
451 static void n8x0_mmc_cleanup(struct device
*dev
)
453 menelaus_unregister_mmc_callback();
455 gpio_free(N8X0_SLOT_SWITCH_GPIO
);
457 if (machine_is_nokia_n810()) {
458 gpio_free(N810_EMMC_VSD_GPIO
);
459 gpio_free(N810_EMMC_VIO_GPIO
);
464 * MMC controller1 has two slots that are multiplexed via I2C.
465 * MMC controller2 is not in use.
467 static struct omap_mmc_platform_data mmc1_data
= {
469 .switch_slot
= n8x0_mmc_switch_slot
,
470 .init
= n8x0_mmc_late_init
,
471 .cleanup
= n8x0_mmc_cleanup
,
472 .shutdown
= n8x0_mmc_shutdown
,
473 .max_freq
= 24000000,
474 .dma_mask
= 0xffffffff,
477 .set_power
= n8x0_mmc_set_power
,
478 .set_bus_mode
= n8x0_mmc_set_bus_mode
,
479 .get_cover_state
= n8x0_mmc_get_cover_state
,
480 .ocr_mask
= MMC_VDD_165_195
| MMC_VDD_30_31
|
481 MMC_VDD_32_33
| MMC_VDD_33_34
,
485 .set_power
= n8x0_mmc_set_power
,
486 .set_bus_mode
= n8x0_mmc_set_bus_mode
,
487 .get_cover_state
= n8x0_mmc_get_cover_state
,
488 .ocr_mask
= MMC_VDD_165_195
| MMC_VDD_20_21
|
489 MMC_VDD_21_22
| MMC_VDD_22_23
|
490 MMC_VDD_23_24
| MMC_VDD_24_25
|
491 MMC_VDD_27_28
| MMC_VDD_28_29
|
492 MMC_VDD_29_30
| MMC_VDD_30_31
|
493 MMC_VDD_32_33
| MMC_VDD_33_34
,
498 static struct omap_mmc_platform_data
*mmc_data
[OMAP24XX_NR_MMC
];
500 static struct gpio n810_emmc_gpios
[] __initdata
= {
501 { N810_EMMC_VSD_GPIO
, GPIOF_OUT_INIT_LOW
, "MMC slot 2 Vddf" },
502 { N810_EMMC_VIO_GPIO
, GPIOF_OUT_INIT_LOW
, "MMC slot 2 Vdd" },
505 static void __init
n8x0_mmc_init(void)
509 if (machine_is_nokia_n810()) {
510 mmc1_data
.slots
[0].name
= "external";
513 * Some Samsung Movinand chips do not like open-ended
514 * multi-block reads and fall to braind-dead state
515 * while doing so. Reducing the number of blocks in
516 * the transfer or delays in clock disable do not help
518 mmc1_data
.slots
[1].name
= "internal";
519 mmc1_data
.slots
[1].ban_openended
= 1;
522 err
= gpio_request_one(N8X0_SLOT_SWITCH_GPIO
, GPIOF_OUT_INIT_LOW
,
527 if (machine_is_nokia_n810()) {
528 err
= gpio_request_array(n810_emmc_gpios
,
529 ARRAY_SIZE(n810_emmc_gpios
));
531 gpio_free(N8X0_SLOT_SWITCH_GPIO
);
536 mmc_data
[0] = &mmc1_data
;
537 omap242x_init_mmc(mmc_data
);
541 void __init
n8x0_mmc_init(void)
544 #endif /* CONFIG_MMC_OMAP */
546 #ifdef CONFIG_MENELAUS
548 static int n8x0_auto_sleep_regulators(void)
553 val
= EN_VPLL_SLEEP
| EN_VMMC_SLEEP \
554 | EN_VAUX_SLEEP
| EN_VIO_SLEEP \
555 | EN_VMEM_SLEEP
| EN_DC3_SLEEP \
556 | EN_VC_SLEEP
| EN_DC2_SLEEP
;
558 ret
= menelaus_set_regulator_sleep(1, val
);
560 printk(KERN_ERR
"Could not set regulators to sleep on "
561 "menelaus: %u\n", ret
);
567 static int n8x0_auto_voltage_scale(void)
571 ret
= menelaus_set_vcore_hw(1400, 1050);
573 printk(KERN_ERR
"Could not set VCORE voltage on "
574 "menelaus: %u\n", ret
);
580 static int n8x0_menelaus_late_init(struct device
*dev
)
584 ret
= n8x0_auto_voltage_scale();
587 ret
= n8x0_auto_sleep_regulators();
594 static int n8x0_menelaus_late_init(struct device
*dev
)
600 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata
= {
601 .late_init
= n8x0_menelaus_late_init
,
604 static struct i2c_board_info __initdata n8x0_i2c_board_info_1
[] __initdata
= {
606 I2C_BOARD_INFO("menelaus", 0x72),
607 .irq
= INT_24XX_SYS_NIRQ
,
608 .platform_data
= &n8x0_menelaus_platform_data
,
612 static struct aic3x_pdata n810_aic33_data __initdata
= {
616 static struct i2c_board_info n810_i2c_board_info_2
[] __initdata
= {
618 I2C_BOARD_INFO("tlv320aic3x", 0x18),
619 .platform_data
= &n810_aic33_data
,
623 #ifdef CONFIG_OMAP_MUX
624 static struct omap_board_mux board_mux
[] __initdata
= {
625 /* I2S codec port pins for McBSP block */
626 OMAP2420_MUX(EAC_AC_SCLK
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
627 OMAP2420_MUX(EAC_AC_FS
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
628 OMAP2420_MUX(EAC_AC_DIN
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
629 OMAP2420_MUX(EAC_AC_DOUT
, OMAP_MUX_MODE1
| OMAP_PIN_OUTPUT
),
630 { .reg_offset
= OMAP_MUX_TERMINATOR
},
633 static struct omap_device_pad serial2_pads
[] __initdata
= {
635 .name
= "uart3_rx_irrx.uart3_rx_irrx",
636 .flags
= OMAP_DEVICE_PAD_REMUX
| OMAP_DEVICE_PAD_WAKEUP
,
637 .enable
= OMAP_MUX_MODE0
,
638 .idle
= OMAP_MUX_MODE3
/* Mux as GPIO for idle */
642 static inline void board_serial_init(void)
644 struct omap_board_data bdata
;
651 omap_serial_init_port(&bdata
, NULL
);
654 omap_serial_init_port(&bdata
, NULL
);
657 bdata
.pads
= serial2_pads
;
658 bdata
.pads_cnt
= ARRAY_SIZE(serial2_pads
);
659 omap_serial_init_port(&bdata
, NULL
);
664 static inline void board_serial_init(void)
671 static void __init
n8x0_init_machine(void)
673 omap2420_mux_init(board_mux
, OMAP_PACKAGE_ZAC
);
674 /* FIXME: add n810 spi devices */
675 spi_register_board_info(n800_spi_board_info
,
676 ARRAY_SIZE(n800_spi_board_info
));
677 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1
,
678 ARRAY_SIZE(n8x0_i2c_board_info_1
));
679 omap_register_i2c_bus(2, 400, NULL
, 0);
680 if (machine_is_nokia_n810())
681 i2c_register_board_info(2, n810_i2c_board_info_2
,
682 ARRAY_SIZE(n810_i2c_board_info_2
));
684 omap_sdrc_init(NULL
, NULL
);
685 gpmc_onenand_init(board_onenand_data
);
690 MACHINE_START(NOKIA_N800
, "Nokia N800")
691 .atag_offset
= 0x100,
692 .reserve
= omap_reserve
,
693 .map_io
= omap242x_map_io
,
694 .init_early
= omap2420_init_early
,
695 .init_irq
= omap2_init_irq
,
696 .handle_irq
= omap2_intc_handle_irq
,
697 .init_machine
= n8x0_init_machine
,
698 .timer
= &omap2_timer
,
699 .restart
= omap_prcm_restart
,
702 MACHINE_START(NOKIA_N810
, "Nokia N810")
703 .atag_offset
= 0x100,
704 .reserve
= omap_reserve
,
705 .map_io
= omap242x_map_io
,
706 .init_early
= omap2420_init_early
,
707 .init_irq
= omap2_init_irq
,
708 .handle_irq
= omap2_intc_handle_irq
,
709 .init_machine
= n8x0_init_machine
,
710 .timer
= &omap2_timer
,
711 .restart
= omap_prcm_restart
,
714 MACHINE_START(NOKIA_N810_WIMAX
, "Nokia N810 WiMAX")
715 .atag_offset
= 0x100,
716 .reserve
= omap_reserve
,
717 .map_io
= omap242x_map_io
,
718 .init_early
= omap2420_init_early
,
719 .init_irq
= omap2_init_irq
,
720 .handle_irq
= omap2_intc_handle_irq
,
721 .init_machine
= n8x0_init_machine
,
722 .timer
= &omap2_timer
,
723 .restart
= omap_prcm_restart
,