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 #if defined(CONFIG_USB_MUSB_OTG)
88 #elif defined(CONFIG_USB_MUSB_PERIPHERAL)
89 .mode
= MUSB_PERIPHERAL
,
90 #else /* defined(CONFIG_USB_MUSB_HOST) */
93 .set_power
= tusb_set_power
,
94 .min_power
= 25, /* x2 = 50 mA drawn from VBUS as peripheral */
95 .power
= 100, /* Max 100 mA VBUS for host mode */
96 .config
= &musb_config
,
99 static void __init
n8x0_usb_init(void)
102 static char announce
[] __initdata
= KERN_INFO
"TUSB 6010\n";
104 /* PM companion chip power control pin */
105 ret
= gpio_request_one(TUSB6010_GPIO_ENABLE
, GPIOF_OUT_INIT_LOW
,
108 printk(KERN_ERR
"Could not get TUSB power GPIO%i\n",
109 TUSB6010_GPIO_ENABLE
);
114 ret
= tusb6010_setup_interface(&tusb_data
, TUSB6010_REFCLK_19
, 2,
115 TUSB6010_ASYNC_CS
, TUSB6010_SYNC_CS
,
116 TUSB6010_GPIO_INT
, TUSB6010_DMACHAN
);
125 gpio_free(TUSB6010_GPIO_ENABLE
);
129 static void __init
n8x0_usb_init(void) {}
131 #endif /*CONFIG_USB_MUSB_TUSB6010 */
134 static struct omap2_mcspi_device_config p54spi_mcspi_config
= {
138 static struct spi_board_info n800_spi_board_info
[] __initdata
= {
140 .modalias
= "p54spi",
143 .max_speed_hz
= 48000000,
144 .controller_data
= &p54spi_mcspi_config
,
148 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
149 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
151 static struct mtd_partition onenand_partitions
[] = {
153 .name
= "bootloader",
156 .mask_flags
= MTD_WRITEABLE
, /* Force read-only */
160 .offset
= MTDPART_OFS_APPEND
,
165 .offset
= MTDPART_OFS_APPEND
,
170 .offset
= MTDPART_OFS_APPEND
,
175 .offset
= MTDPART_OFS_APPEND
,
176 .size
= MTDPART_SIZ_FULL
,
180 static struct omap_onenand_platform_data board_onenand_data
[] = {
184 .parts
= onenand_partitions
,
185 .nr_parts
= ARRAY_SIZE(onenand_partitions
),
186 .flags
= ONENAND_SYNC_READ
,
191 #if defined(CONFIG_MENELAUS) && \
192 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
195 * On both N800 and N810, only the first of the two MMC controllers is in use.
196 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
197 * On N800, both slots are powered via Menelaus. On N810, only one of the
198 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
200 * VMMC slot 1 on both N800 and N810
201 * VDCDC3_APE and VMCS2_APE slot 2 on N800
202 * GPIO23 and GPIO9 slot 2 EMMC on N810
205 #define N8X0_SLOT_SWITCH_GPIO 96
206 #define N810_EMMC_VSD_GPIO 23
207 #define N810_EMMC_VIO_GPIO 9
209 static int slot1_cover_open
;
210 static int slot2_cover_open
;
211 static struct device
*mmc_device
;
213 static int n8x0_mmc_switch_slot(struct device
*dev
, int slot
)
215 #ifdef CONFIG_MMC_DEBUG
216 dev_dbg(dev
, "Choose slot %d\n", slot
+ 1);
218 gpio_set_value(N8X0_SLOT_SWITCH_GPIO
, slot
);
222 static int n8x0_mmc_set_power_menelaus(struct device
*dev
, int slot
,
223 int power_on
, int vdd
)
227 #ifdef CONFIG_MMC_DEBUG
228 dev_dbg(dev
, "Set slot %d power: %s (vdd %d)\n", slot
+ 1,
229 power_on
? "on" : "off", vdd
);
233 return menelaus_set_vmmc(0);
246 case MMC_VDD_165_195
:
252 return menelaus_set_vmmc(mV
);
255 return menelaus_set_vdcdc(3, 0);
280 case MMC_VDD_165_195
:
286 return menelaus_set_vdcdc(3, mV
);
291 static void n810_set_power_emmc(struct device
*dev
,
294 dev_dbg(dev
, "Set EMMC power %s\n", power_on
? "on" : "off");
297 gpio_set_value(N810_EMMC_VSD_GPIO
, 1);
299 gpio_set_value(N810_EMMC_VIO_GPIO
, 1);
302 gpio_set_value(N810_EMMC_VIO_GPIO
, 0);
304 gpio_set_value(N810_EMMC_VSD_GPIO
, 0);
309 static int n8x0_mmc_set_power(struct device
*dev
, int slot
, int power_on
,
312 if (machine_is_nokia_n800() || slot
== 0)
313 return n8x0_mmc_set_power_menelaus(dev
, slot
, power_on
, vdd
);
315 n810_set_power_emmc(dev
, power_on
);
320 static int n8x0_mmc_set_bus_mode(struct device
*dev
, int slot
, int bus_mode
)
324 dev_dbg(dev
, "Set slot %d bus mode %s\n", slot
+ 1,
325 bus_mode
== MMC_BUSMODE_OPENDRAIN
? "open-drain" : "push-pull");
326 BUG_ON(slot
!= 0 && slot
!= 1);
329 case MMC_BUSMODE_OPENDRAIN
:
330 r
= menelaus_set_mmc_opendrain(slot
, 1);
332 case MMC_BUSMODE_PUSHPULL
:
333 r
= menelaus_set_mmc_opendrain(slot
, 0);
338 if (r
!= 0 && printk_ratelimit())
339 dev_err(dev
, "MMC: unable to set bus mode for slot %d\n",
344 static int n8x0_mmc_get_cover_state(struct device
*dev
, int slot
)
347 BUG_ON(slot
!= 1 && slot
!= 2);
349 return slot1_cover_open
;
351 return slot2_cover_open
;
354 static void n8x0_mmc_callback(void *data
, u8 card_mask
)
356 int bit
, *openp
, index
;
358 if (machine_is_nokia_n800()) {
360 openp
= &slot2_cover_open
;
364 openp
= &slot1_cover_open
;
373 #ifdef CONFIG_MMC_OMAP
374 omap_mmc_notify_cover_event(mmc_device
, index
, *openp
);
376 pr_warn("MMC: notify cover event not available\n");
380 static int n8x0_mmc_late_init(struct device
*dev
)
387 r
= menelaus_set_slot_sel(1);
391 if (machine_is_nokia_n800())
396 r
= menelaus_set_mmc_slot(2, 0, vs2sel
, 1);
400 n8x0_mmc_set_power(dev
, 0, MMC_POWER_ON
, 16); /* MMC_VDD_28_29 */
401 n8x0_mmc_set_power(dev
, 1, MMC_POWER_ON
, 16);
403 r
= menelaus_set_mmc_slot(1, 1, 0, 1);
406 r
= menelaus_set_mmc_slot(2, 1, vs2sel
, 1);
410 r
= menelaus_get_slot_pin_states();
414 if (machine_is_nokia_n800()) {
416 openp
= &slot2_cover_open
;
419 openp
= &slot1_cover_open
;
420 slot2_cover_open
= 0;
423 /* All slot pin bits seem to be inversed until first switch change */
424 if (r
== 0xf || r
== (0xf & ~bit
))
432 r
= menelaus_register_mmc_callback(n8x0_mmc_callback
, NULL
);
437 static void n8x0_mmc_shutdown(struct device
*dev
)
441 if (machine_is_nokia_n800())
446 menelaus_set_mmc_slot(1, 0, 0, 0);
447 menelaus_set_mmc_slot(2, 0, vs2sel
, 0);
450 static void n8x0_mmc_cleanup(struct device
*dev
)
452 menelaus_unregister_mmc_callback();
454 gpio_free(N8X0_SLOT_SWITCH_GPIO
);
456 if (machine_is_nokia_n810()) {
457 gpio_free(N810_EMMC_VSD_GPIO
);
458 gpio_free(N810_EMMC_VIO_GPIO
);
463 * MMC controller1 has two slots that are multiplexed via I2C.
464 * MMC controller2 is not in use.
466 static struct omap_mmc_platform_data mmc1_data
= {
468 .switch_slot
= n8x0_mmc_switch_slot
,
469 .init
= n8x0_mmc_late_init
,
470 .cleanup
= n8x0_mmc_cleanup
,
471 .shutdown
= n8x0_mmc_shutdown
,
472 .max_freq
= 24000000,
473 .dma_mask
= 0xffffffff,
476 .set_power
= n8x0_mmc_set_power
,
477 .set_bus_mode
= n8x0_mmc_set_bus_mode
,
478 .get_cover_state
= n8x0_mmc_get_cover_state
,
479 .ocr_mask
= MMC_VDD_165_195
| MMC_VDD_30_31
|
480 MMC_VDD_32_33
| MMC_VDD_33_34
,
484 .set_power
= n8x0_mmc_set_power
,
485 .set_bus_mode
= n8x0_mmc_set_bus_mode
,
486 .get_cover_state
= n8x0_mmc_get_cover_state
,
487 .ocr_mask
= MMC_VDD_165_195
| MMC_VDD_20_21
|
488 MMC_VDD_21_22
| MMC_VDD_22_23
|
489 MMC_VDD_23_24
| MMC_VDD_24_25
|
490 MMC_VDD_27_28
| MMC_VDD_28_29
|
491 MMC_VDD_29_30
| MMC_VDD_30_31
|
492 MMC_VDD_32_33
| MMC_VDD_33_34
,
497 static struct omap_mmc_platform_data
*mmc_data
[OMAP24XX_NR_MMC
];
499 static struct gpio n810_emmc_gpios
[] __initdata
= {
500 { N810_EMMC_VSD_GPIO
, GPIOF_OUT_INIT_LOW
, "MMC slot 2 Vddf" },
501 { N810_EMMC_VIO_GPIO
, GPIOF_OUT_INIT_LOW
, "MMC slot 2 Vdd" },
504 static void __init
n8x0_mmc_init(void)
508 if (machine_is_nokia_n810()) {
509 mmc1_data
.slots
[0].name
= "external";
512 * Some Samsung Movinand chips do not like open-ended
513 * multi-block reads and fall to braind-dead state
514 * while doing so. Reducing the number of blocks in
515 * the transfer or delays in clock disable do not help
517 mmc1_data
.slots
[1].name
= "internal";
518 mmc1_data
.slots
[1].ban_openended
= 1;
521 err
= gpio_request_one(N8X0_SLOT_SWITCH_GPIO
, GPIOF_OUT_INIT_LOW
,
526 if (machine_is_nokia_n810()) {
527 err
= gpio_request_array(n810_emmc_gpios
,
528 ARRAY_SIZE(n810_emmc_gpios
));
530 gpio_free(N8X0_SLOT_SWITCH_GPIO
);
535 mmc_data
[0] = &mmc1_data
;
536 omap242x_init_mmc(mmc_data
);
540 void __init
n8x0_mmc_init(void)
543 #endif /* CONFIG_MMC_OMAP */
545 #ifdef CONFIG_MENELAUS
547 static int n8x0_auto_sleep_regulators(void)
552 val
= EN_VPLL_SLEEP
| EN_VMMC_SLEEP \
553 | EN_VAUX_SLEEP
| EN_VIO_SLEEP \
554 | EN_VMEM_SLEEP
| EN_DC3_SLEEP \
555 | EN_VC_SLEEP
| EN_DC2_SLEEP
;
557 ret
= menelaus_set_regulator_sleep(1, val
);
559 printk(KERN_ERR
"Could not set regulators to sleep on "
560 "menelaus: %u\n", ret
);
566 static int n8x0_auto_voltage_scale(void)
570 ret
= menelaus_set_vcore_hw(1400, 1050);
572 printk(KERN_ERR
"Could not set VCORE voltage on "
573 "menelaus: %u\n", ret
);
579 static int n8x0_menelaus_late_init(struct device
*dev
)
583 ret
= n8x0_auto_voltage_scale();
586 ret
= n8x0_auto_sleep_regulators();
593 static int n8x0_menelaus_late_init(struct device
*dev
)
599 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata
= {
600 .late_init
= n8x0_menelaus_late_init
,
603 static struct i2c_board_info __initdata n8x0_i2c_board_info_1
[] __initdata
= {
605 I2C_BOARD_INFO("menelaus", 0x72),
606 .irq
= INT_24XX_SYS_NIRQ
,
607 .platform_data
= &n8x0_menelaus_platform_data
,
611 static struct aic3x_pdata n810_aic33_data __initdata
= {
615 static struct i2c_board_info n810_i2c_board_info_2
[] __initdata
= {
617 I2C_BOARD_INFO("tlv320aic3x", 0x18),
618 .platform_data
= &n810_aic33_data
,
622 #ifdef CONFIG_OMAP_MUX
623 static struct omap_board_mux board_mux
[] __initdata
= {
624 /* I2S codec port pins for McBSP block */
625 OMAP2420_MUX(EAC_AC_SCLK
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
626 OMAP2420_MUX(EAC_AC_FS
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
627 OMAP2420_MUX(EAC_AC_DIN
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
628 OMAP2420_MUX(EAC_AC_DOUT
, OMAP_MUX_MODE1
| OMAP_PIN_OUTPUT
),
629 { .reg_offset
= OMAP_MUX_TERMINATOR
},
632 static struct omap_device_pad serial2_pads
[] __initdata
= {
634 .name
= "uart3_rx_irrx.uart3_rx_irrx",
635 .flags
= OMAP_DEVICE_PAD_REMUX
| OMAP_DEVICE_PAD_WAKEUP
,
636 .enable
= OMAP_MUX_MODE0
,
637 .idle
= OMAP_MUX_MODE3
/* Mux as GPIO for idle */
641 static inline void board_serial_init(void)
643 struct omap_board_data bdata
;
650 omap_serial_init_port(&bdata
, NULL
);
653 omap_serial_init_port(&bdata
, NULL
);
656 bdata
.pads
= serial2_pads
;
657 bdata
.pads_cnt
= ARRAY_SIZE(serial2_pads
);
658 omap_serial_init_port(&bdata
, NULL
);
663 static inline void board_serial_init(void)
670 static void __init
n8x0_init_machine(void)
672 omap2420_mux_init(board_mux
, OMAP_PACKAGE_ZAC
);
673 /* FIXME: add n810 spi devices */
674 spi_register_board_info(n800_spi_board_info
,
675 ARRAY_SIZE(n800_spi_board_info
));
676 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1
,
677 ARRAY_SIZE(n8x0_i2c_board_info_1
));
678 omap_register_i2c_bus(2, 400, NULL
, 0);
679 if (machine_is_nokia_n810())
680 i2c_register_board_info(2, n810_i2c_board_info_2
,
681 ARRAY_SIZE(n810_i2c_board_info_2
));
683 omap_sdrc_init(NULL
, NULL
);
684 gpmc_onenand_init(board_onenand_data
);
689 MACHINE_START(NOKIA_N800
, "Nokia N800")
690 .atag_offset
= 0x100,
691 .reserve
= omap_reserve
,
692 .map_io
= omap242x_map_io
,
693 .init_early
= omap2420_init_early
,
694 .init_irq
= omap2_init_irq
,
695 .handle_irq
= omap2_intc_handle_irq
,
696 .init_machine
= n8x0_init_machine
,
697 .init_late
= omap2420_init_late
,
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 .init_late
= omap2420_init_late
,
711 .timer
= &omap2_timer
,
712 .restart
= omap_prcm_restart
,
715 MACHINE_START(NOKIA_N810_WIMAX
, "Nokia N810 WiMAX")
716 .atag_offset
= 0x100,
717 .reserve
= omap_reserve
,
718 .map_io
= omap242x_map_io
,
719 .init_early
= omap2420_init_early
,
720 .init_irq
= omap2_init_irq
,
721 .handle_irq
= omap2_intc_handle_irq
,
722 .init_machine
= n8x0_init_machine
,
723 .init_late
= omap2420_init_late
,
724 .timer
= &omap2_timer
,
725 .restart
= omap_prcm_restart
,