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>
37 static int slot1_cover_open;
38 static int slot2_cover_open;
39 static struct device *mmc_device;
41 #define TUSB6010_ASYNC_CS 1
42 #define TUSB6010_SYNC_CS 4
43 #define TUSB6010_GPIO_INT 58
44 #define TUSB6010_GPIO_ENABLE 0
45 #define TUSB6010_DMACHAN 0x3f
47 #if defined(CONFIG_USB_TUSB6010) || \
48 defined(CONFIG_USB_TUSB6010_MODULE)
50 * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
51 * 1.5 V voltage regulators of PM companion chip. Companion chip will then
52 * provide then PGOOD signal to TUSB6010 which will release it from reset.
54 static int tusb_set_power(int state)
59 gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
62 /* Wait until TUSB6010 pulls INT pin down */
64 while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
70 printk(KERN_ERR "tusb: powerup failed\n");
74 gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
81 static struct musb_hdrc_config musb_config = {
88 static struct musb_hdrc_platform_data tusb_data = {
89 #if defined(CONFIG_USB_MUSB_OTG)
91 #elif defined(CONFIG_USB_MUSB_PERIPHERAL)
92 .mode = MUSB_PERIPHERAL,
93 #else /* defined(CONFIG_USB_MUSB_HOST) */
96 .set_power = tusb_set_power,
97 .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
98 .power = 100, /* Max 100 mA VBUS for host mode */
99 .config = &musb_config,
102 static void __init n8x0_usb_init(void)
105 static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
107 /* PM companion chip power control pin */
108 ret = gpio_request(TUSB6010_GPIO_ENABLE, "TUSB6010 enable");
110 printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
111 TUSB6010_GPIO_ENABLE);
114 gpio_direction_output(TUSB6010_GPIO_ENABLE, 0);
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_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 = {
188 .parts = onenand_partitions,
189 .nr_parts = ARRAY_SIZE(onenand_partitions),
190 .flags = ONENAND_SYNC_READ,
193 static void __init n8x0_onenand_init(void)
195 gpmc_onenand_init(&board_onenand_data);
200 static void __init n8x0_onenand_init(void) {}
204 #if defined(CONFIG_MENELAUS) && \
205 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
208 * On both N800 and N810, only the first of the two MMC controllers is in use.
209 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
210 * On N800, both slots are powered via Menelaus. On N810, only one of the
211 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
213 * VMMC slot 1 on both N800 and N810
214 * VDCDC3_APE and VMCS2_APE slot 2 on N800
215 * GPIO23 and GPIO9 slot 2 EMMC on N810
218 #define N8X0_SLOT_SWITCH_GPIO 96
219 #define N810_EMMC_VSD_GPIO 23
220 #define N810_EMMC_VIO_GPIO 9
222 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
224 #ifdef CONFIG_MMC_DEBUG
225 dev_dbg(dev, "Choose slot %d\n", slot + 1);
227 gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
231 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
232 int power_on, int vdd)
236 #ifdef CONFIG_MMC_DEBUG
237 dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
238 power_on ? "on" : "off", vdd);
242 return menelaus_set_vmmc(0);
255 case MMC_VDD_165_195:
261 return menelaus_set_vmmc(mV);
264 return menelaus_set_vdcdc(3, 0);
289 case MMC_VDD_165_195:
295 return menelaus_set_vdcdc(3, mV);
300 static void n810_set_power_emmc(struct device *dev,
303 dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
306 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
308 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
311 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
313 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
318 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
321 if (machine_is_nokia_n800() || slot == 0)
322 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
324 n810_set_power_emmc(dev, power_on);
329 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
333 dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
334 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
335 BUG_ON(slot != 0 && slot != 1);
338 case MMC_BUSMODE_OPENDRAIN:
339 r = menelaus_set_mmc_opendrain(slot, 1);
341 case MMC_BUSMODE_PUSHPULL:
342 r = menelaus_set_mmc_opendrain(slot, 0);
347 if (r != 0 && printk_ratelimit())
348 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
353 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
356 BUG_ON(slot != 1 && slot != 2);
358 return slot1_cover_open;
360 return slot2_cover_open;
363 static void n8x0_mmc_callback(void *data, u8 card_mask)
365 int bit, *openp, index;
367 if (machine_is_nokia_n800()) {
369 openp = &slot2_cover_open;
373 openp = &slot1_cover_open;
382 omap_mmc_notify_cover_event(mmc_device, index, *openp);
385 void n8x0_mmc_slot1_cover_handler(void *arg, int closed_state)
387 if (mmc_device == NULL)
390 slot1_cover_open = !closed_state;
391 omap_mmc_notify_cover_event(mmc_device, 0, closed_state);
394 static int n8x0_mmc_late_init(struct device *dev)
401 r = menelaus_set_slot_sel(1);
405 if (machine_is_nokia_n800())
410 r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
414 n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
415 n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
417 r = menelaus_set_mmc_slot(1, 1, 0, 1);
420 r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
424 r = menelaus_get_slot_pin_states();
428 if (machine_is_nokia_n800()) {
430 openp = &slot2_cover_open;
433 openp = &slot1_cover_open;
434 slot2_cover_open = 0;
437 /* All slot pin bits seem to be inversed until first switch change */
438 if (r == 0xf || r == (0xf & ~bit))
446 r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
451 static void n8x0_mmc_shutdown(struct device *dev)
455 if (machine_is_nokia_n800())
460 menelaus_set_mmc_slot(1, 0, 0, 0);
461 menelaus_set_mmc_slot(2, 0, vs2sel, 0);
464 static void n8x0_mmc_cleanup(struct device *dev)
466 menelaus_unregister_mmc_callback();
468 gpio_free(N8X0_SLOT_SWITCH_GPIO);
470 if (machine_is_nokia_n810()) {
471 gpio_free(N810_EMMC_VSD_GPIO);
472 gpio_free(N810_EMMC_VIO_GPIO);
477 * MMC controller1 has two slots that are multiplexed via I2C.
478 * MMC controller2 is not in use.
480 static struct omap_mmc_platform_data mmc1_data = {
482 .switch_slot = n8x0_mmc_switch_slot,
483 .init = n8x0_mmc_late_init,
484 .cleanup = n8x0_mmc_cleanup,
485 .shutdown = n8x0_mmc_shutdown,
486 .max_freq = 24000000,
487 .dma_mask = 0xffffffff,
490 .set_power = n8x0_mmc_set_power,
491 .set_bus_mode = n8x0_mmc_set_bus_mode,
492 .get_cover_state = n8x0_mmc_get_cover_state,
493 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_30_31 |
494 MMC_VDD_32_33 | MMC_VDD_33_34,
498 .set_power = n8x0_mmc_set_power,
499 .set_bus_mode = n8x0_mmc_set_bus_mode,
500 .get_cover_state = n8x0_mmc_get_cover_state,
501 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_20_21 |
502 MMC_VDD_21_22 | MMC_VDD_22_23 |
503 MMC_VDD_23_24 | MMC_VDD_24_25 |
504 MMC_VDD_27_28 | MMC_VDD_28_29 |
505 MMC_VDD_29_30 | MMC_VDD_30_31 |
506 MMC_VDD_32_33 | MMC_VDD_33_34,
511 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
513 void __init n8x0_mmc_init(void)
518 if (machine_is_nokia_n810()) {
519 mmc1_data.slots[0].name = "external";
522 * Some Samsung Movinand chips do not like open-ended
523 * multi-block reads and fall to braind-dead state
524 * while doing so. Reducing the number of blocks in
525 * the transfer or delays in clock disable do not help
527 mmc1_data.slots[1].name = "internal";
528 mmc1_data.slots[1].ban_openended = 1;
531 err = gpio_request(N8X0_SLOT_SWITCH_GPIO, "MMC slot switch");
535 gpio_direction_output(N8X0_SLOT_SWITCH_GPIO, 0);
537 if (machine_is_nokia_n810()) {
538 err = gpio_request(N810_EMMC_VSD_GPIO, "MMC slot 2 Vddf");
540 gpio_free(N8X0_SLOT_SWITCH_GPIO);
543 gpio_direction_output(N810_EMMC_VSD_GPIO, 0);
545 err = gpio_request(N810_EMMC_VIO_GPIO, "MMC slot 2 Vdd");
547 gpio_free(N8X0_SLOT_SWITCH_GPIO);
548 gpio_free(N810_EMMC_VSD_GPIO);
551 gpio_direction_output(N810_EMMC_VIO_GPIO, 0);
554 mmc_data[0] = &mmc1_data;
555 omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC);
559 void __init n8x0_mmc_init(void)
563 void n8x0_mmc_slot1_cover_handler(void *arg, int state)
567 #endif /* CONFIG_MMC_OMAP */
569 #ifdef CONFIG_MENELAUS
571 static int n8x0_auto_sleep_regulators(void)
576 val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
577 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
578 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
579 | EN_VC_SLEEP | EN_DC2_SLEEP;
581 ret = menelaus_set_regulator_sleep(1, val);
583 printk(KERN_ERR "Could not set regulators to sleep on "
584 "menelaus: %u\n", ret);
590 static int n8x0_auto_voltage_scale(void)
594 ret = menelaus_set_vcore_hw(1400, 1050);
596 printk(KERN_ERR "Could not set VCORE voltage on "
597 "menelaus: %u\n", ret);
603 static int n8x0_menelaus_late_init(struct device *dev)
607 ret = n8x0_auto_voltage_scale();
610 ret = n8x0_auto_sleep_regulators();
616 static struct aic3x_setup_data n810_aic33_setup = {
617 .gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED,
618 .gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT,
621 static struct aic3x_pdata n810_aic33_data = {
622 .setup = &n810_aic33_setup,
626 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] = {
628 I2C_BOARD_INFO("menelaus", 0x72),
629 .irq = INT_24XX_SYS_NIRQ,
632 I2C_BOARD_INFO("tlv320aic3x", 0x1b),
633 .platform_data = &n810_aic33_data,
637 static struct menelaus_platform_data n8x0_menelaus_platform_data = {
638 .late_init = n8x0_menelaus_late_init,
641 static void __init n8x0_menelaus_init(void)
643 n8x0_i2c_board_info_1[0].platform_data = &n8x0_menelaus_platform_data;
644 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
645 ARRAY_SIZE(n8x0_i2c_board_info_1));
649 static inline void __init n8x0_menelaus_init(void)
654 static void __init n8x0_map_io(void)
656 omap2_set_globals_242x();
657 omap242x_map_common_io();
660 static void __init n8x0_init_irq(void)
662 omap2_init_common_hw(NULL, NULL);
667 static void __init n8x0_init_machine(void)
669 /* FIXME: add n810 spi devices */
670 spi_register_board_info(n800_spi_board_info,
671 ARRAY_SIZE(n800_spi_board_info));
674 n8x0_menelaus_init();
680 MACHINE_START(NOKIA_N800, "Nokia N800")
681 .phys_io = 0x48000000,
682 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
683 .boot_params = 0x80000100,
684 .map_io = n8x0_map_io,
685 .init_irq = n8x0_init_irq,
686 .init_machine = n8x0_init_machine,
687 .timer = &omap_timer,
690 MACHINE_START(NOKIA_N810, "Nokia N810")
691 .phys_io = 0x48000000,
692 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
693 .boot_params = 0x80000100,
694 .map_io = n8x0_map_io,
695 .init_irq = n8x0_init_irq,
696 .init_machine = n8x0_init_machine,
697 .timer = &omap_timer,
700 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
701 .phys_io = 0x48000000,
702 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
703 .boot_params = 0x80000100,
704 .map_io = n8x0_map_io,
705 .init_irq = n8x0_init_irq,
706 .init_machine = n8x0_init_machine,
707 .timer = &omap_timer,