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 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
91 .set_power = tusb_set_power,
92 .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
93 .power = 100, /* Max 100 mA VBUS for host mode */
94 .config = &musb_config,
97 static void __init n8x0_usb_init(void)
100 static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
102 /* PM companion chip power control pin */
103 ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
106 printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
107 TUSB6010_GPIO_ENABLE);
112 ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
113 TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
114 TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
123 gpio_free(TUSB6010_GPIO_ENABLE);
127 static void __init n8x0_usb_init(void) {}
129 #endif /*CONFIG_USB_MUSB_TUSB6010 */
132 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
136 static struct spi_board_info n800_spi_board_info[] __initdata = {
138 .modalias = "p54spi",
141 .max_speed_hz = 48000000,
142 .controller_data = &p54spi_mcspi_config,
146 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
147 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
149 static struct mtd_partition onenand_partitions[] = {
151 .name = "bootloader",
154 .mask_flags = MTD_WRITEABLE, /* Force read-only */
158 .offset = MTDPART_OFS_APPEND,
163 .offset = MTDPART_OFS_APPEND,
168 .offset = MTDPART_OFS_APPEND,
173 .offset = MTDPART_OFS_APPEND,
174 .size = MTDPART_SIZ_FULL,
178 static struct omap_onenand_platform_data board_onenand_data[] = {
182 .parts = onenand_partitions,
183 .nr_parts = ARRAY_SIZE(onenand_partitions),
184 .flags = ONENAND_SYNC_READ,
189 #if defined(CONFIG_MENELAUS) && \
190 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
193 * On both N800 and N810, only the first of the two MMC controllers is in use.
194 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
195 * On N800, both slots are powered via Menelaus. On N810, only one of the
196 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
198 * VMMC slot 1 on both N800 and N810
199 * VDCDC3_APE and VMCS2_APE slot 2 on N800
200 * GPIO23 and GPIO9 slot 2 EMMC on N810
203 #define N8X0_SLOT_SWITCH_GPIO 96
204 #define N810_EMMC_VSD_GPIO 23
205 #define N810_EMMC_VIO_GPIO 9
207 static int slot1_cover_open;
208 static int slot2_cover_open;
209 static struct device *mmc_device;
211 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
213 #ifdef CONFIG_MMC_DEBUG
214 dev_dbg(dev, "Choose slot %d\n", slot + 1);
216 gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
220 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
221 int power_on, int vdd)
225 #ifdef CONFIG_MMC_DEBUG
226 dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
227 power_on ? "on" : "off", vdd);
231 return menelaus_set_vmmc(0);
244 case MMC_VDD_165_195:
250 return menelaus_set_vmmc(mV);
253 return menelaus_set_vdcdc(3, 0);
278 case MMC_VDD_165_195:
284 return menelaus_set_vdcdc(3, mV);
289 static void n810_set_power_emmc(struct device *dev,
292 dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
295 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
297 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
300 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
302 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
307 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
310 if (machine_is_nokia_n800() || slot == 0)
311 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
313 n810_set_power_emmc(dev, power_on);
318 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
322 dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
323 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
324 BUG_ON(slot != 0 && slot != 1);
327 case MMC_BUSMODE_OPENDRAIN:
328 r = menelaus_set_mmc_opendrain(slot, 1);
330 case MMC_BUSMODE_PUSHPULL:
331 r = menelaus_set_mmc_opendrain(slot, 0);
336 if (r != 0 && printk_ratelimit())
337 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
342 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
345 BUG_ON(slot != 1 && slot != 2);
347 return slot1_cover_open;
349 return slot2_cover_open;
352 static void n8x0_mmc_callback(void *data, u8 card_mask)
354 int bit, *openp, index;
356 if (machine_is_nokia_n800()) {
358 openp = &slot2_cover_open;
362 openp = &slot1_cover_open;
371 #ifdef CONFIG_MMC_OMAP
372 omap_mmc_notify_cover_event(mmc_device, index, *openp);
374 pr_warn("MMC: notify cover event not available\n");
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 struct gpio n810_emmc_gpios[] __initdata = {
498 { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vddf" },
499 { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vdd" },
502 static void __init n8x0_mmc_init(void)
506 if (machine_is_nokia_n810()) {
507 mmc1_data.slots[0].name = "external";
510 * Some Samsung Movinand chips do not like open-ended
511 * multi-block reads and fall to braind-dead state
512 * while doing so. Reducing the number of blocks in
513 * the transfer or delays in clock disable do not help
515 mmc1_data.slots[1].name = "internal";
516 mmc1_data.slots[1].ban_openended = 1;
519 err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
524 if (machine_is_nokia_n810()) {
525 err = gpio_request_array(n810_emmc_gpios,
526 ARRAY_SIZE(n810_emmc_gpios));
528 gpio_free(N8X0_SLOT_SWITCH_GPIO);
533 mmc_data[0] = &mmc1_data;
534 omap242x_init_mmc(mmc_data);
538 void __init n8x0_mmc_init(void)
541 #endif /* CONFIG_MMC_OMAP */
543 #ifdef CONFIG_MENELAUS
545 static int n8x0_auto_sleep_regulators(void)
550 val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
551 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
552 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
553 | EN_VC_SLEEP | EN_DC2_SLEEP;
555 ret = menelaus_set_regulator_sleep(1, val);
557 printk(KERN_ERR "Could not set regulators to sleep on "
558 "menelaus: %u\n", ret);
564 static int n8x0_auto_voltage_scale(void)
568 ret = menelaus_set_vcore_hw(1400, 1050);
570 printk(KERN_ERR "Could not set VCORE voltage on "
571 "menelaus: %u\n", ret);
577 static int n8x0_menelaus_late_init(struct device *dev)
581 ret = n8x0_auto_voltage_scale();
584 ret = n8x0_auto_sleep_regulators();
591 static int n8x0_menelaus_late_init(struct device *dev)
597 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
598 .late_init = n8x0_menelaus_late_init,
601 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
603 I2C_BOARD_INFO("menelaus", 0x72),
604 .irq = INT_24XX_SYS_NIRQ,
605 .platform_data = &n8x0_menelaus_platform_data,
609 static struct aic3x_pdata n810_aic33_data __initdata = {
613 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
615 I2C_BOARD_INFO("tlv320aic3x", 0x18),
616 .platform_data = &n810_aic33_data,
620 #ifdef CONFIG_OMAP_MUX
621 static struct omap_board_mux board_mux[] __initdata = {
622 /* I2S codec port pins for McBSP block */
623 OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
624 OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
625 OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
626 OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
627 { .reg_offset = OMAP_MUX_TERMINATOR },
630 static struct omap_device_pad serial2_pads[] __initdata = {
632 .name = "uart3_rx_irrx.uart3_rx_irrx",
633 .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
634 .enable = OMAP_MUX_MODE0,
635 .idle = OMAP_MUX_MODE3 /* Mux as GPIO for idle */
639 static inline void board_serial_init(void)
641 struct omap_board_data bdata;
648 omap_serial_init_port(&bdata, NULL);
651 omap_serial_init_port(&bdata, NULL);
654 bdata.pads = serial2_pads;
655 bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
656 omap_serial_init_port(&bdata, NULL);
661 static inline void board_serial_init(void)
668 static void __init n8x0_init_machine(void)
670 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
671 /* FIXME: add n810 spi devices */
672 spi_register_board_info(n800_spi_board_info,
673 ARRAY_SIZE(n800_spi_board_info));
674 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
675 ARRAY_SIZE(n8x0_i2c_board_info_1));
676 omap_register_i2c_bus(2, 400, NULL, 0);
677 if (machine_is_nokia_n810())
678 i2c_register_board_info(2, n810_i2c_board_info_2,
679 ARRAY_SIZE(n810_i2c_board_info_2));
681 omap_sdrc_init(NULL, NULL);
682 gpmc_onenand_init(board_onenand_data);
687 MACHINE_START(NOKIA_N800, "Nokia N800")
688 .atag_offset = 0x100,
689 .reserve = omap_reserve,
690 .map_io = omap242x_map_io,
691 .init_early = omap2420_init_early,
692 .init_irq = omap2_init_irq,
693 .handle_irq = omap2_intc_handle_irq,
694 .init_machine = n8x0_init_machine,
695 .init_late = omap2420_init_late,
696 .timer = &omap2_timer,
697 .restart = omap_prcm_restart,
700 MACHINE_START(NOKIA_N810, "Nokia N810")
701 .atag_offset = 0x100,
702 .reserve = omap_reserve,
703 .map_io = omap242x_map_io,
704 .init_early = omap2420_init_early,
705 .init_irq = omap2_init_irq,
706 .handle_irq = omap2_intc_handle_irq,
707 .init_machine = n8x0_init_machine,
708 .init_late = omap2420_init_late,
709 .timer = &omap2_timer,
710 .restart = omap_prcm_restart,
713 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
714 .atag_offset = 0x100,
715 .reserve = omap_reserve,
716 .map_io = omap242x_map_io,
717 .init_early = omap2420_init_early,
718 .init_irq = omap2_init_irq,
719 .handle_irq = omap2_intc_handle_irq,
720 .init_machine = n8x0_init_machine,
721 .init_late = omap2420_init_late,
722 .timer = &omap2_timer,
723 .restart = omap_prcm_restart,