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,