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[] = {
191 .parts = onenand_partitions,
192 .nr_parts = ARRAY_SIZE(onenand_partitions),
193 .flags = ONENAND_SYNC_READ,
198 #if defined(CONFIG_MENELAUS) && \
199 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
202 * On both N800 and N810, only the first of the two MMC controllers is in use.
203 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
204 * On N800, both slots are powered via Menelaus. On N810, only one of the
205 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
207 * VMMC slot 1 on both N800 and N810
208 * VDCDC3_APE and VMCS2_APE slot 2 on N800
209 * GPIO23 and GPIO9 slot 2 EMMC on N810
212 #define N8X0_SLOT_SWITCH_GPIO 96
213 #define N810_EMMC_VSD_GPIO 23
214 #define N810_EMMC_VIO_GPIO 9
216 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
218 #ifdef CONFIG_MMC_DEBUG
219 dev_dbg(dev, "Choose slot %d\n", slot + 1);
221 gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
225 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
226 int power_on, int vdd)
230 #ifdef CONFIG_MMC_DEBUG
231 dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
232 power_on ? "on" : "off", vdd);
236 return menelaus_set_vmmc(0);
249 case MMC_VDD_165_195:
255 return menelaus_set_vmmc(mV);
258 return menelaus_set_vdcdc(3, 0);
283 case MMC_VDD_165_195:
289 return menelaus_set_vdcdc(3, mV);
294 static void n810_set_power_emmc(struct device *dev,
297 dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
300 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
302 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
305 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
307 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
312 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
315 if (machine_is_nokia_n800() || slot == 0)
316 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
318 n810_set_power_emmc(dev, power_on);
323 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
327 dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
328 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
329 BUG_ON(slot != 0 && slot != 1);
332 case MMC_BUSMODE_OPENDRAIN:
333 r = menelaus_set_mmc_opendrain(slot, 1);
335 case MMC_BUSMODE_PUSHPULL:
336 r = menelaus_set_mmc_opendrain(slot, 0);
341 if (r != 0 && printk_ratelimit())
342 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
347 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
350 BUG_ON(slot != 1 && slot != 2);
352 return slot1_cover_open;
354 return slot2_cover_open;
357 static void n8x0_mmc_callback(void *data, u8 card_mask)
359 int bit, *openp, index;
361 if (machine_is_nokia_n800()) {
363 openp = &slot2_cover_open;
367 openp = &slot1_cover_open;
376 omap_mmc_notify_cover_event(mmc_device, index, *openp);
379 static int n8x0_mmc_late_init(struct device *dev)
386 r = menelaus_set_slot_sel(1);
390 if (machine_is_nokia_n800())
395 r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
399 n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
400 n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
402 r = menelaus_set_mmc_slot(1, 1, 0, 1);
405 r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
409 r = menelaus_get_slot_pin_states();
413 if (machine_is_nokia_n800()) {
415 openp = &slot2_cover_open;
418 openp = &slot1_cover_open;
419 slot2_cover_open = 0;
422 /* All slot pin bits seem to be inversed until first switch change */
423 if (r == 0xf || r == (0xf & ~bit))
431 r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
436 static void n8x0_mmc_shutdown(struct device *dev)
440 if (machine_is_nokia_n800())
445 menelaus_set_mmc_slot(1, 0, 0, 0);
446 menelaus_set_mmc_slot(2, 0, vs2sel, 0);
449 static void n8x0_mmc_cleanup(struct device *dev)
451 menelaus_unregister_mmc_callback();
453 gpio_free(N8X0_SLOT_SWITCH_GPIO);
455 if (machine_is_nokia_n810()) {
456 gpio_free(N810_EMMC_VSD_GPIO);
457 gpio_free(N810_EMMC_VIO_GPIO);
462 * MMC controller1 has two slots that are multiplexed via I2C.
463 * MMC controller2 is not in use.
465 static struct omap_mmc_platform_data mmc1_data = {
467 .switch_slot = n8x0_mmc_switch_slot,
468 .init = n8x0_mmc_late_init,
469 .cleanup = n8x0_mmc_cleanup,
470 .shutdown = n8x0_mmc_shutdown,
471 .max_freq = 24000000,
472 .dma_mask = 0xffffffff,
475 .set_power = n8x0_mmc_set_power,
476 .set_bus_mode = n8x0_mmc_set_bus_mode,
477 .get_cover_state = n8x0_mmc_get_cover_state,
478 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_30_31 |
479 MMC_VDD_32_33 | MMC_VDD_33_34,
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_20_21 |
487 MMC_VDD_21_22 | MMC_VDD_22_23 |
488 MMC_VDD_23_24 | MMC_VDD_24_25 |
489 MMC_VDD_27_28 | MMC_VDD_28_29 |
490 MMC_VDD_29_30 | MMC_VDD_30_31 |
491 MMC_VDD_32_33 | MMC_VDD_33_34,
496 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
498 static void __init n8x0_mmc_init(void)
503 if (machine_is_nokia_n810()) {
504 mmc1_data.slots[0].name = "external";
507 * Some Samsung Movinand chips do not like open-ended
508 * multi-block reads and fall to braind-dead state
509 * while doing so. Reducing the number of blocks in
510 * the transfer or delays in clock disable do not help
512 mmc1_data.slots[1].name = "internal";
513 mmc1_data.slots[1].ban_openended = 1;
516 err = gpio_request(N8X0_SLOT_SWITCH_GPIO, "MMC slot switch");
520 gpio_direction_output(N8X0_SLOT_SWITCH_GPIO, 0);
522 if (machine_is_nokia_n810()) {
523 err = gpio_request(N810_EMMC_VSD_GPIO, "MMC slot 2 Vddf");
525 gpio_free(N8X0_SLOT_SWITCH_GPIO);
528 gpio_direction_output(N810_EMMC_VSD_GPIO, 0);
530 err = gpio_request(N810_EMMC_VIO_GPIO, "MMC slot 2 Vdd");
532 gpio_free(N8X0_SLOT_SWITCH_GPIO);
533 gpio_free(N810_EMMC_VSD_GPIO);
536 gpio_direction_output(N810_EMMC_VIO_GPIO, 0);
539 mmc_data[0] = &mmc1_data;
540 omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC);
544 void __init n8x0_mmc_init(void)
547 #endif /* CONFIG_MMC_OMAP */
549 #ifdef CONFIG_MENELAUS
551 static int n8x0_auto_sleep_regulators(void)
556 val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
557 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
558 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
559 | EN_VC_SLEEP | EN_DC2_SLEEP;
561 ret = menelaus_set_regulator_sleep(1, val);
563 printk(KERN_ERR "Could not set regulators to sleep on "
564 "menelaus: %u\n", ret);
570 static int n8x0_auto_voltage_scale(void)
574 ret = menelaus_set_vcore_hw(1400, 1050);
576 printk(KERN_ERR "Could not set VCORE voltage on "
577 "menelaus: %u\n", ret);
583 static int n8x0_menelaus_late_init(struct device *dev)
587 ret = n8x0_auto_voltage_scale();
590 ret = n8x0_auto_sleep_regulators();
597 static int n8x0_menelaus_late_init(struct device *dev)
603 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
604 .late_init = n8x0_menelaus_late_init,
607 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
609 I2C_BOARD_INFO("menelaus", 0x72),
610 .irq = INT_24XX_SYS_NIRQ,
611 .platform_data = &n8x0_menelaus_platform_data,
615 static struct aic3x_pdata n810_aic33_data __initdata = {
619 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
621 I2C_BOARD_INFO("tlv320aic3x", 0x18),
622 .platform_data = &n810_aic33_data,
626 static void __init n8x0_map_io(void)
628 omap2_set_globals_242x();
629 omap242x_map_common_io();
632 static void __init n8x0_init_irq(void)
634 omap2_init_common_hw(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 },
649 static void __init n8x0_init_machine(void)
651 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
652 /* FIXME: add n810 spi devices */
653 spi_register_board_info(n800_spi_board_info,
654 ARRAY_SIZE(n800_spi_board_info));
655 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
656 ARRAY_SIZE(n8x0_i2c_board_info_1));
657 omap_register_i2c_bus(2, 400, NULL, 0);
658 if (machine_is_nokia_n810())
659 i2c_register_board_info(2, n810_i2c_board_info_2,
660 ARRAY_SIZE(n810_i2c_board_info_2));
663 gpmc_onenand_init(board_onenand_data);
668 MACHINE_START(NOKIA_N800, "Nokia N800")
669 .boot_params = 0x80000100,
670 .map_io = n8x0_map_io,
671 .reserve = omap_reserve,
672 .init_irq = n8x0_init_irq,
673 .init_machine = n8x0_init_machine,
674 .timer = &omap_timer,
677 MACHINE_START(NOKIA_N810, "Nokia N810")
678 .boot_params = 0x80000100,
679 .map_io = n8x0_map_io,
680 .reserve = omap_reserve,
681 .init_irq = n8x0_init_irq,
682 .init_machine = n8x0_init_machine,
683 .timer = &omap_timer,
686 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
687 .boot_params = 0x80000100,
688 .map_io = n8x0_map_io,
689 .reserve = omap_reserve,
690 .init_irq = n8x0_init_irq,
691 .init_machine = n8x0_init_machine,
692 .timer = &omap_timer,