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>
29 #include <plat/common.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_TUSB6010) || \
50 defined(CONFIG_USB_TUSB6010_MODULE)
52 * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
53 * 1.5 V voltage regulators of PM companion chip. Companion chip will then
54 * provide then PGOOD signal to TUSB6010 which will release it from reset.
56 static int tusb_set_power(int state
)
61 gpio_set_value(TUSB6010_GPIO_ENABLE
, 1);
64 /* Wait until TUSB6010 pulls INT pin down */
66 while (i
&& gpio_get_value(TUSB6010_GPIO_INT
)) {
72 printk(KERN_ERR
"tusb: powerup failed\n");
76 gpio_set_value(TUSB6010_GPIO_ENABLE
, 0);
83 static struct musb_hdrc_config musb_config
= {
90 static struct musb_hdrc_platform_data tusb_data
= {
91 #if defined(CONFIG_USB_MUSB_OTG)
93 #elif defined(CONFIG_USB_MUSB_PERIPHERAL)
94 .mode
= MUSB_PERIPHERAL
,
95 #else /* defined(CONFIG_USB_MUSB_HOST) */
98 .set_power
= tusb_set_power
,
99 .min_power
= 25, /* x2 = 50 mA drawn from VBUS as peripheral */
100 .power
= 100, /* Max 100 mA VBUS for host mode */
101 .config
= &musb_config
,
104 static void __init
n8x0_usb_init(void)
107 static char announce
[] __initdata
= KERN_INFO
"TUSB 6010\n";
109 /* PM companion chip power control pin */
110 ret
= gpio_request(TUSB6010_GPIO_ENABLE
, "TUSB6010 enable");
112 printk(KERN_ERR
"Could not get TUSB power GPIO%i\n",
113 TUSB6010_GPIO_ENABLE
);
116 gpio_direction_output(TUSB6010_GPIO_ENABLE
, 0);
120 ret
= tusb6010_setup_interface(&tusb_data
, TUSB6010_REFCLK_19
, 2,
121 TUSB6010_ASYNC_CS
, TUSB6010_SYNC_CS
,
122 TUSB6010_GPIO_INT
, TUSB6010_DMACHAN
);
131 gpio_free(TUSB6010_GPIO_ENABLE
);
135 static void __init
n8x0_usb_init(void) {}
137 #endif /*CONFIG_USB_TUSB6010 */
140 static struct omap2_mcspi_device_config p54spi_mcspi_config
= {
145 static struct spi_board_info n800_spi_board_info
[] __initdata
= {
147 .modalias
= "p54spi",
150 .max_speed_hz
= 48000000,
151 .controller_data
= &p54spi_mcspi_config
,
155 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
156 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
158 static struct mtd_partition onenand_partitions
[] = {
160 .name
= "bootloader",
163 .mask_flags
= MTD_WRITEABLE
, /* Force read-only */
167 .offset
= MTDPART_OFS_APPEND
,
172 .offset
= MTDPART_OFS_APPEND
,
177 .offset
= MTDPART_OFS_APPEND
,
182 .offset
= MTDPART_OFS_APPEND
,
183 .size
= MTDPART_SIZ_FULL
,
187 static struct omap_onenand_platform_data board_onenand_data
= {
190 .parts
= onenand_partitions
,
191 .nr_parts
= ARRAY_SIZE(onenand_partitions
),
192 .flags
= ONENAND_SYNC_READ
,
195 static void __init
n8x0_onenand_init(void)
197 gpmc_onenand_init(&board_onenand_data
);
202 static void __init
n8x0_onenand_init(void) {}
206 #if defined(CONFIG_MENELAUS) && \
207 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
210 * On both N800 and N810, only the first of the two MMC controllers is in use.
211 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
212 * On N800, both slots are powered via Menelaus. On N810, only one of the
213 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
215 * VMMC slot 1 on both N800 and N810
216 * VDCDC3_APE and VMCS2_APE slot 2 on N800
217 * GPIO23 and GPIO9 slot 2 EMMC on N810
220 #define N8X0_SLOT_SWITCH_GPIO 96
221 #define N810_EMMC_VSD_GPIO 23
222 #define N810_EMMC_VIO_GPIO 9
224 static int n8x0_mmc_switch_slot(struct device
*dev
, int slot
)
226 #ifdef CONFIG_MMC_DEBUG
227 dev_dbg(dev
, "Choose slot %d\n", slot
+ 1);
229 gpio_set_value(N8X0_SLOT_SWITCH_GPIO
, slot
);
233 static int n8x0_mmc_set_power_menelaus(struct device
*dev
, int slot
,
234 int power_on
, int vdd
)
238 #ifdef CONFIG_MMC_DEBUG
239 dev_dbg(dev
, "Set slot %d power: %s (vdd %d)\n", slot
+ 1,
240 power_on
? "on" : "off", vdd
);
244 return menelaus_set_vmmc(0);
257 case MMC_VDD_165_195
:
263 return menelaus_set_vmmc(mV
);
266 return menelaus_set_vdcdc(3, 0);
291 case MMC_VDD_165_195
:
297 return menelaus_set_vdcdc(3, mV
);
302 static void n810_set_power_emmc(struct device
*dev
,
305 dev_dbg(dev
, "Set EMMC power %s\n", power_on
? "on" : "off");
308 gpio_set_value(N810_EMMC_VSD_GPIO
, 1);
310 gpio_set_value(N810_EMMC_VIO_GPIO
, 1);
313 gpio_set_value(N810_EMMC_VIO_GPIO
, 0);
315 gpio_set_value(N810_EMMC_VSD_GPIO
, 0);
320 static int n8x0_mmc_set_power(struct device
*dev
, int slot
, int power_on
,
323 if (machine_is_nokia_n800() || slot
== 0)
324 return n8x0_mmc_set_power_menelaus(dev
, slot
, power_on
, vdd
);
326 n810_set_power_emmc(dev
, power_on
);
331 static int n8x0_mmc_set_bus_mode(struct device
*dev
, int slot
, int bus_mode
)
335 dev_dbg(dev
, "Set slot %d bus mode %s\n", slot
+ 1,
336 bus_mode
== MMC_BUSMODE_OPENDRAIN
? "open-drain" : "push-pull");
337 BUG_ON(slot
!= 0 && slot
!= 1);
340 case MMC_BUSMODE_OPENDRAIN
:
341 r
= menelaus_set_mmc_opendrain(slot
, 1);
343 case MMC_BUSMODE_PUSHPULL
:
344 r
= menelaus_set_mmc_opendrain(slot
, 0);
349 if (r
!= 0 && printk_ratelimit())
350 dev_err(dev
, "MMC: unable to set bus mode for slot %d\n",
355 static int n8x0_mmc_get_cover_state(struct device
*dev
, int slot
)
358 BUG_ON(slot
!= 1 && slot
!= 2);
360 return slot1_cover_open
;
362 return slot2_cover_open
;
365 static void n8x0_mmc_callback(void *data
, u8 card_mask
)
367 int bit
, *openp
, index
;
369 if (machine_is_nokia_n800()) {
371 openp
= &slot2_cover_open
;
375 openp
= &slot1_cover_open
;
384 omap_mmc_notify_cover_event(mmc_device
, index
, *openp
);
387 static int n8x0_mmc_late_init(struct device
*dev
)
394 r
= menelaus_set_slot_sel(1);
398 if (machine_is_nokia_n800())
403 r
= menelaus_set_mmc_slot(2, 0, vs2sel
, 1);
407 n8x0_mmc_set_power(dev
, 0, MMC_POWER_ON
, 16); /* MMC_VDD_28_29 */
408 n8x0_mmc_set_power(dev
, 1, MMC_POWER_ON
, 16);
410 r
= menelaus_set_mmc_slot(1, 1, 0, 1);
413 r
= menelaus_set_mmc_slot(2, 1, vs2sel
, 1);
417 r
= menelaus_get_slot_pin_states();
421 if (machine_is_nokia_n800()) {
423 openp
= &slot2_cover_open
;
426 openp
= &slot1_cover_open
;
427 slot2_cover_open
= 0;
430 /* All slot pin bits seem to be inversed until first switch change */
431 if (r
== 0xf || r
== (0xf & ~bit
))
439 r
= menelaus_register_mmc_callback(n8x0_mmc_callback
, NULL
);
444 static void n8x0_mmc_shutdown(struct device
*dev
)
448 if (machine_is_nokia_n800())
453 menelaus_set_mmc_slot(1, 0, 0, 0);
454 menelaus_set_mmc_slot(2, 0, vs2sel
, 0);
457 static void n8x0_mmc_cleanup(struct device
*dev
)
459 menelaus_unregister_mmc_callback();
461 gpio_free(N8X0_SLOT_SWITCH_GPIO
);
463 if (machine_is_nokia_n810()) {
464 gpio_free(N810_EMMC_VSD_GPIO
);
465 gpio_free(N810_EMMC_VIO_GPIO
);
470 * MMC controller1 has two slots that are multiplexed via I2C.
471 * MMC controller2 is not in use.
473 static struct omap_mmc_platform_data mmc1_data
= {
475 .switch_slot
= n8x0_mmc_switch_slot
,
476 .init
= n8x0_mmc_late_init
,
477 .cleanup
= n8x0_mmc_cleanup
,
478 .shutdown
= n8x0_mmc_shutdown
,
479 .max_freq
= 24000000,
480 .dma_mask
= 0xffffffff,
483 .set_power
= n8x0_mmc_set_power
,
484 .set_bus_mode
= n8x0_mmc_set_bus_mode
,
485 .get_cover_state
= n8x0_mmc_get_cover_state
,
486 .ocr_mask
= MMC_VDD_165_195
| MMC_VDD_30_31
|
487 MMC_VDD_32_33
| MMC_VDD_33_34
,
491 .set_power
= n8x0_mmc_set_power
,
492 .set_bus_mode
= n8x0_mmc_set_bus_mode
,
493 .get_cover_state
= n8x0_mmc_get_cover_state
,
494 .ocr_mask
= MMC_VDD_165_195
| MMC_VDD_20_21
|
495 MMC_VDD_21_22
| MMC_VDD_22_23
|
496 MMC_VDD_23_24
| MMC_VDD_24_25
|
497 MMC_VDD_27_28
| MMC_VDD_28_29
|
498 MMC_VDD_29_30
| MMC_VDD_30_31
|
499 MMC_VDD_32_33
| MMC_VDD_33_34
,
504 static struct omap_mmc_platform_data
*mmc_data
[OMAP24XX_NR_MMC
];
506 static void __init
n8x0_mmc_init(void)
511 if (machine_is_nokia_n810()) {
512 mmc1_data
.slots
[0].name
= "external";
515 * Some Samsung Movinand chips do not like open-ended
516 * multi-block reads and fall to braind-dead state
517 * while doing so. Reducing the number of blocks in
518 * the transfer or delays in clock disable do not help
520 mmc1_data
.slots
[1].name
= "internal";
521 mmc1_data
.slots
[1].ban_openended
= 1;
524 err
= gpio_request(N8X0_SLOT_SWITCH_GPIO
, "MMC slot switch");
528 gpio_direction_output(N8X0_SLOT_SWITCH_GPIO
, 0);
530 if (machine_is_nokia_n810()) {
531 err
= gpio_request(N810_EMMC_VSD_GPIO
, "MMC slot 2 Vddf");
533 gpio_free(N8X0_SLOT_SWITCH_GPIO
);
536 gpio_direction_output(N810_EMMC_VSD_GPIO
, 0);
538 err
= gpio_request(N810_EMMC_VIO_GPIO
, "MMC slot 2 Vdd");
540 gpio_free(N8X0_SLOT_SWITCH_GPIO
);
541 gpio_free(N810_EMMC_VSD_GPIO
);
544 gpio_direction_output(N810_EMMC_VIO_GPIO
, 0);
547 mmc_data
[0] = &mmc1_data
;
548 omap2_init_mmc(mmc_data
, OMAP24XX_NR_MMC
);
552 void __init
n8x0_mmc_init(void)
555 #endif /* CONFIG_MMC_OMAP */
557 #ifdef CONFIG_MENELAUS
559 static int n8x0_auto_sleep_regulators(void)
564 val
= EN_VPLL_SLEEP
| EN_VMMC_SLEEP \
565 | EN_VAUX_SLEEP
| EN_VIO_SLEEP \
566 | EN_VMEM_SLEEP
| EN_DC3_SLEEP \
567 | EN_VC_SLEEP
| EN_DC2_SLEEP
;
569 ret
= menelaus_set_regulator_sleep(1, val
);
571 printk(KERN_ERR
"Could not set regulators to sleep on "
572 "menelaus: %u\n", ret
);
578 static int n8x0_auto_voltage_scale(void)
582 ret
= menelaus_set_vcore_hw(1400, 1050);
584 printk(KERN_ERR
"Could not set VCORE voltage on "
585 "menelaus: %u\n", ret
);
591 static int n8x0_menelaus_late_init(struct device
*dev
)
595 ret
= n8x0_auto_voltage_scale();
598 ret
= n8x0_auto_sleep_regulators();
605 static int n8x0_menelaus_late_init(struct device
*dev
)
611 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata
= {
612 .late_init
= n8x0_menelaus_late_init
,
615 static struct i2c_board_info __initdata n8x0_i2c_board_info_1
[] __initdata
= {
617 I2C_BOARD_INFO("menelaus", 0x72),
618 .irq
= INT_24XX_SYS_NIRQ
,
619 .platform_data
= &n8x0_menelaus_platform_data
,
623 static struct aic3x_pdata n810_aic33_data __initdata
= {
627 static struct i2c_board_info n810_i2c_board_info_2
[] __initdata
= {
629 I2C_BOARD_INFO("tlv320aic3x", 0x18),
630 .platform_data
= &n810_aic33_data
,
634 static void __init
n8x0_map_io(void)
636 omap2_set_globals_242x();
637 omap242x_map_common_io();
640 static void __init
n8x0_init_irq(void)
642 omap2_init_common_hw(NULL
, NULL
);
646 #ifdef CONFIG_OMAP_MUX
647 static struct omap_board_mux board_mux
[] __initdata
= {
648 /* I2S codec port pins for McBSP block */
649 OMAP2420_MUX(EAC_AC_SCLK
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
650 OMAP2420_MUX(EAC_AC_FS
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
651 OMAP2420_MUX(EAC_AC_DIN
, OMAP_MUX_MODE1
| OMAP_PIN_INPUT
),
652 OMAP2420_MUX(EAC_AC_DOUT
, OMAP_MUX_MODE1
| OMAP_PIN_OUTPUT
),
653 { .reg_offset
= OMAP_MUX_TERMINATOR
},
656 #define board_mux NULL
659 static void __init
n8x0_init_machine(void)
661 omap2420_mux_init(board_mux
, OMAP_PACKAGE_ZAC
);
662 /* FIXME: add n810 spi devices */
663 spi_register_board_info(n800_spi_board_info
,
664 ARRAY_SIZE(n800_spi_board_info
));
665 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1
,
666 ARRAY_SIZE(n8x0_i2c_board_info_1
));
667 omap_register_i2c_bus(2, 400, NULL
, 0);
668 if (machine_is_nokia_n810())
669 i2c_register_board_info(2, n810_i2c_board_info_2
,
670 ARRAY_SIZE(n810_i2c_board_info_2
));
678 MACHINE_START(NOKIA_N800
, "Nokia N800")
679 .boot_params
= 0x80000100,
680 .map_io
= n8x0_map_io
,
681 .reserve
= omap_reserve
,
682 .init_irq
= n8x0_init_irq
,
683 .init_machine
= n8x0_init_machine
,
684 .timer
= &omap_timer
,
687 MACHINE_START(NOKIA_N810
, "Nokia N810")
688 .boot_params
= 0x80000100,
689 .map_io
= n8x0_map_io
,
690 .reserve
= omap_reserve
,
691 .init_irq
= n8x0_init_irq
,
692 .init_machine
= n8x0_init_machine
,
693 .timer
= &omap_timer
,
696 MACHINE_START(NOKIA_N810_WIMAX
, "Nokia N810 WiMAX")
697 .boot_params
= 0x80000100,
698 .map_io
= n8x0_map_io
,
699 .reserve
= omap_reserve
,
700 .init_irq
= n8x0_init_irq
,
701 .init_machine
= n8x0_init_machine
,
702 .timer
= &omap_timer
,