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 #ifdef CONFIG_USB_MUSB_TUSB6010
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(TUSB6010_GPIO_ENABLE, "TUSB6010 enable");
111 printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
112 TUSB6010_GPIO_ENABLE);
115 gpio_direction_output(TUSB6010_GPIO_ENABLE, 0);
119 ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
120 TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
121 TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
130 gpio_free(TUSB6010_GPIO_ENABLE);
134 static void __init n8x0_usb_init(void) {}
136 #endif /*CONFIG_USB_MUSB_TUSB6010 */
139 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
144 static struct spi_board_info n800_spi_board_info[] __initdata = {
146 .modalias = "p54spi",
149 .max_speed_hz = 48000000,
150 .controller_data = &p54spi_mcspi_config,
154 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
155 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
157 static struct mtd_partition onenand_partitions[] = {
159 .name = "bootloader",
162 .mask_flags = MTD_WRITEABLE, /* Force read-only */
166 .offset = MTDPART_OFS_APPEND,
171 .offset = MTDPART_OFS_APPEND,
176 .offset = MTDPART_OFS_APPEND,
181 .offset = MTDPART_OFS_APPEND,
182 .size = MTDPART_SIZ_FULL,
186 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,
197 #if defined(CONFIG_MENELAUS) && \
198 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
201 * On both N800 and N810, only the first of the two MMC controllers is in use.
202 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
203 * On N800, both slots are powered via Menelaus. On N810, only one of the
204 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
206 * VMMC slot 1 on both N800 and N810
207 * VDCDC3_APE and VMCS2_APE slot 2 on N800
208 * GPIO23 and GPIO9 slot 2 EMMC on N810
211 #define N8X0_SLOT_SWITCH_GPIO 96
212 #define N810_EMMC_VSD_GPIO 23
213 #define N810_EMMC_VIO_GPIO 9
215 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
217 #ifdef CONFIG_MMC_DEBUG
218 dev_dbg(dev, "Choose slot %d\n", slot + 1);
220 gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
224 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
225 int power_on, int vdd)
229 #ifdef CONFIG_MMC_DEBUG
230 dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
231 power_on ? "on" : "off", vdd);
235 return menelaus_set_vmmc(0);
248 case MMC_VDD_165_195:
254 return menelaus_set_vmmc(mV);
257 return menelaus_set_vdcdc(3, 0);
282 case MMC_VDD_165_195:
288 return menelaus_set_vdcdc(3, mV);
293 static void n810_set_power_emmc(struct device *dev,
296 dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
299 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
301 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
304 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
306 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
311 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
314 if (machine_is_nokia_n800() || slot == 0)
315 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
317 n810_set_power_emmc(dev, power_on);
322 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
326 dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
327 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
328 BUG_ON(slot != 0 && slot != 1);
331 case MMC_BUSMODE_OPENDRAIN:
332 r = menelaus_set_mmc_opendrain(slot, 1);
334 case MMC_BUSMODE_PUSHPULL:
335 r = menelaus_set_mmc_opendrain(slot, 0);
340 if (r != 0 && printk_ratelimit())
341 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
346 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
349 BUG_ON(slot != 1 && slot != 2);
351 return slot1_cover_open;
353 return slot2_cover_open;
356 static void n8x0_mmc_callback(void *data, u8 card_mask)
358 int bit, *openp, index;
360 if (machine_is_nokia_n800()) {
362 openp = &slot2_cover_open;
366 openp = &slot1_cover_open;
375 omap_mmc_notify_cover_event(mmc_device, index, *openp);
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,
471 .dma_mask = 0xffffffff,
474 .set_power = n8x0_mmc_set_power,
475 .set_bus_mode = n8x0_mmc_set_bus_mode,
476 .get_cover_state = n8x0_mmc_get_cover_state,
477 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_30_31 |
478 MMC_VDD_32_33 | MMC_VDD_33_34,
482 .set_power = n8x0_mmc_set_power,
483 .set_bus_mode = n8x0_mmc_set_bus_mode,
484 .get_cover_state = n8x0_mmc_get_cover_state,
485 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_20_21 |
486 MMC_VDD_21_22 | MMC_VDD_22_23 |
487 MMC_VDD_23_24 | MMC_VDD_24_25 |
488 MMC_VDD_27_28 | MMC_VDD_28_29 |
489 MMC_VDD_29_30 | MMC_VDD_30_31 |
490 MMC_VDD_32_33 | MMC_VDD_33_34,
495 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
497 static void __init n8x0_mmc_init(void)
502 if (machine_is_nokia_n810()) {
503 mmc1_data.slots[0].name = "external";
506 * Some Samsung Movinand chips do not like open-ended
507 * multi-block reads and fall to braind-dead state
508 * while doing so. Reducing the number of blocks in
509 * the transfer or delays in clock disable do not help
511 mmc1_data.slots[1].name = "internal";
512 mmc1_data.slots[1].ban_openended = 1;
515 err = gpio_request(N8X0_SLOT_SWITCH_GPIO, "MMC slot switch");
519 gpio_direction_output(N8X0_SLOT_SWITCH_GPIO, 0);
521 if (machine_is_nokia_n810()) {
522 err = gpio_request(N810_EMMC_VSD_GPIO, "MMC slot 2 Vddf");
524 gpio_free(N8X0_SLOT_SWITCH_GPIO);
527 gpio_direction_output(N810_EMMC_VSD_GPIO, 0);
529 err = gpio_request(N810_EMMC_VIO_GPIO, "MMC slot 2 Vdd");
531 gpio_free(N8X0_SLOT_SWITCH_GPIO);
532 gpio_free(N810_EMMC_VSD_GPIO);
535 gpio_direction_output(N810_EMMC_VIO_GPIO, 0);
538 mmc_data[0] = &mmc1_data;
539 omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC);
543 void __init n8x0_mmc_init(void)
546 #endif /* CONFIG_MMC_OMAP */
548 #ifdef CONFIG_MENELAUS
550 static int n8x0_auto_sleep_regulators(void)
555 val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
556 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
557 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
558 | EN_VC_SLEEP | EN_DC2_SLEEP;
560 ret = menelaus_set_regulator_sleep(1, val);
562 printk(KERN_ERR "Could not set regulators to sleep on "
563 "menelaus: %u\n", ret);
569 static int n8x0_auto_voltage_scale(void)
573 ret = menelaus_set_vcore_hw(1400, 1050);
575 printk(KERN_ERR "Could not set VCORE voltage on "
576 "menelaus: %u\n", ret);
582 static int n8x0_menelaus_late_init(struct device *dev)
586 ret = n8x0_auto_voltage_scale();
589 ret = n8x0_auto_sleep_regulators();
596 static int n8x0_menelaus_late_init(struct device *dev)
602 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
603 .late_init = n8x0_menelaus_late_init,
606 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
608 I2C_BOARD_INFO("menelaus", 0x72),
609 .irq = INT_24XX_SYS_NIRQ,
610 .platform_data = &n8x0_menelaus_platform_data,
614 static struct aic3x_pdata n810_aic33_data __initdata = {
618 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
620 I2C_BOARD_INFO("tlv320aic3x", 0x18),
621 .platform_data = &n810_aic33_data,
625 static void __init n8x0_map_io(void)
627 omap2_set_globals_242x();
628 omap242x_map_common_io();
631 static void __init n8x0_init_irq(void)
633 omap2_init_common_infrastructure();
634 omap2_init_common_devices(NULL, NULL);
638 #ifdef CONFIG_OMAP_MUX
639 static struct omap_board_mux board_mux[] __initdata = {
640 /* I2S codec port pins for McBSP block */
641 OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
642 OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
643 OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
644 OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
645 { .reg_offset = OMAP_MUX_TERMINATOR },
648 static struct omap_device_pad serial2_pads[] __initdata = {
650 .name = "uart3_rx_irrx.uart3_rx_irrx",
651 .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
652 .enable = OMAP_MUX_MODE0,
653 .idle = OMAP_MUX_MODE3 /* Mux as GPIO for idle */
657 static inline void board_serial_init(void)
659 struct omap_board_data bdata;
666 omap_serial_init_port(&bdata);
669 omap_serial_init_port(&bdata);
672 bdata.pads = serial2_pads;
673 bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
674 omap_serial_init_port(&bdata);
679 static inline void board_serial_init(void)
686 static void __init n8x0_init_machine(void)
688 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
689 /* FIXME: add n810 spi devices */
690 spi_register_board_info(n800_spi_board_info,
691 ARRAY_SIZE(n800_spi_board_info));
692 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
693 ARRAY_SIZE(n8x0_i2c_board_info_1));
694 omap_register_i2c_bus(2, 400, NULL, 0);
695 if (machine_is_nokia_n810())
696 i2c_register_board_info(2, n810_i2c_board_info_2,
697 ARRAY_SIZE(n810_i2c_board_info_2));
699 gpmc_onenand_init(board_onenand_data);
704 MACHINE_START(NOKIA_N800, "Nokia N800")
705 .boot_params = 0x80000100,
706 .map_io = n8x0_map_io,
707 .reserve = omap_reserve,
708 .init_irq = n8x0_init_irq,
709 .init_machine = n8x0_init_machine,
710 .timer = &omap_timer,
713 MACHINE_START(NOKIA_N810, "Nokia N810")
714 .boot_params = 0x80000100,
715 .map_io = n8x0_map_io,
716 .reserve = omap_reserve,
717 .init_irq = n8x0_init_irq,
718 .init_machine = n8x0_init_machine,
719 .timer = &omap_timer,
722 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
723 .boot_params = 0x80000100,
724 .map_io = n8x0_map_io,
725 .reserve = omap_reserve,
726 .init_irq = n8x0_init_irq,
727 .init_machine = n8x0_init_machine,
728 .timer = &omap_timer,