[linux-block.git] / arch / arm / mach-omap1 / board-osk.c

/*
 * linux/arch/arm/mach-omap1/board-osk.c
 *
 * Board specific init for OMAP5912 OSK
 *
 * Written by Dirk Behme <dirk.behme@de.bosch.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the  GNU General Public License along
 * with this program; if not, write  to the Free Software Foundation, Inc.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
#include <linux/interrupt.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>

#include <asm/arch/gpio.h>
#include <asm/arch/usb.h>
#include <asm/arch/mux.h>
#include <asm/arch/tc.h>
#include <asm/arch/common.h>
#include <asm/arch/mcbsp.h>
#include <asm/arch/omap-alsa.h>

static struct mtd_partition osk_partitions[] = {
	/* bootloader (U-Boot, etc) in first sector */
	{
	      .name		= "bootloader",
	      .offset		= 0,
	      .size		= SZ_128K,
	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
	},
	/* bootloader params in the next sector */
	{
	      .name		= "params",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_128K,
	      .mask_flags	= 0,
	}, {
	      .name		= "kernel",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_2M,
	      .mask_flags	= 0
	}, {
	      .name		= "filesystem",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	}
};

static struct flash_platform_data osk_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
	.parts		= osk_partitions,
	.nr_parts	= ARRAY_SIZE(osk_partitions),
};

static struct resource osk_flash_resource = {
	/* this is on CS3, wherever it's mapped */
	.flags		= IORESOURCE_MEM,
};

static struct platform_device osk5912_flash_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &osk_flash_data,
	},
	.num_resources	= 1,
	.resource	= &osk_flash_resource,
};

static struct resource osk5912_smc91x_resources[] = {
	[0] = {
		.start	= OMAP_OSK_ETHR_START,		/* Physical */
		.end	= OMAP_OSK_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(0),
		.end	= OMAP_GPIO_IRQ(0),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device osk5912_smc91x_device = {
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(osk5912_smc91x_resources),
	.resource	= osk5912_smc91x_resources,
};

static struct resource osk5912_cf_resources[] = {
	[0] = {
		.start	= OMAP_GPIO_IRQ(62),
		.end	= OMAP_GPIO_IRQ(62),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device osk5912_cf_device = {
	.name		= "omap_cf",
	.id		= -1,
	.dev = {
		.platform_data	= (void *) 2 /* CS2 */,
	},
	.num_resources	= ARRAY_SIZE(osk5912_cf_resources),
	.resource	= osk5912_cf_resources,
};

#define DEFAULT_BITPERSAMPLE 16

static struct omap_mcbsp_reg_cfg mcbsp_regs = {
	.spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
	.spcr1 = RINTM(3) | RRST,
	.rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
	    RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
	.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
	.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
	    XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
	.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
	.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
	.srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
	/*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
	.pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
};

static struct omap_alsa_codec_config alsa_config = {
	.name			= "OSK AIC23",
	.mcbsp_regs_alsa	= &mcbsp_regs,
	.codec_configure_dev	= NULL, // aic23_configure,
	.codec_set_samplerate	= NULL, // aic23_set_samplerate,
	.codec_clock_setup	= NULL, // aic23_clock_setup,
	.codec_clock_on		= NULL, // aic23_clock_on,
	.codec_clock_off	= NULL, // aic23_clock_off,
	.get_default_samplerate	= NULL, // aic23_get_default_samplerate,
};

static struct platform_device osk5912_mcbsp1_device = {
	.name	= "omap_alsa_mcbsp",
	.id	= 1,
	.dev = {
		.platform_data	= &alsa_config,
	},
};

static struct platform_device *osk5912_devices[] __initdata = {
	&osk5912_flash_device,
	&osk5912_smc91x_device,
	&osk5912_cf_device,
	&osk5912_mcbsp1_device,
};

static void __init osk_init_smc91x(void)
{
	if ((omap_request_gpio(0)) < 0) {
		printk("Error requesting gpio 0 for smc91x irq\n");
		return;
	}

	/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
	EMIFS_CCS(1) |= 0x3;
}

static void __init osk_init_cf(void)
{
	omap_cfg_reg(M7_1610_GPIO62);
	if ((omap_request_gpio(62)) < 0) {
		printk("Error requesting gpio 62 for CF irq\n");
		return;
	}
	/* the CF I/O IRQ is really active-low */
	set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
}

static void __init osk_init_irq(void)
{
	omap1_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
	osk_init_smc91x();
	osk_init_cf();
}

static struct omap_usb_config osk_usb_config __initdata = {
	/* has usb host connector (A) ... for development it can also
	 * be used, with a NONSTANDARD gender-bending cable/dongle, as
	 * a peripheral.
	 */
#ifdef	CONFIG_USB_GADGET_OMAP
	.register_dev	= 1,
	.hmc_mode	= 0,
#else
	.register_host	= 1,
	.hmc_mode	= 16,
	.rwc		= 1,
#endif
	.pins[0]	= 2,
};

static struct omap_uart_config osk_uart_config __initdata = {
	.enabled_uarts = (1 << 0),
};

#ifdef	CONFIG_OMAP_OSK_MISTRAL
static struct omap_lcd_config osk_lcd_config __initdata = {
	.ctrl_name	= "internal",
};
#endif

static struct omap_board_config_kernel osk_config[] = {
	{ OMAP_TAG_USB,           &osk_usb_config },
	{ OMAP_TAG_UART,		&osk_uart_config },
#ifdef	CONFIG_OMAP_OSK_MISTRAL
	{ OMAP_TAG_LCD,			&osk_lcd_config },
#endif
};

#ifdef	CONFIG_OMAP_OSK_MISTRAL

#include <linux/input.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>

#include <asm/arch/keypad.h>

static const int osk_keymap[] = {
	/* KEY(col, row, code) */
	KEY(0, 0, KEY_F1),		/* SW4 */
	KEY(0, 3, KEY_UP),		/* (sw2/up) */
	KEY(1, 1, KEY_LEFTCTRL),	/* SW5 */
	KEY(1, 2, KEY_LEFT),		/* (sw2/left) */
	KEY(2, 0, KEY_SPACE),		/* SW3 */
	KEY(2, 1, KEY_ESC),		/* SW6 */
	KEY(2, 2, KEY_DOWN),		/* (sw2/down) */
	KEY(3, 2, KEY_ENTER),		/* (sw2/select) */
	KEY(3, 3, KEY_RIGHT),		/* (sw2/right) */
	0
};

static struct omap_kp_platform_data osk_kp_data = {
	.rows		= 8,
	.cols		= 8,
	.keymap		= (int *) osk_keymap,
	.keymapsize	= ARRAY_SIZE(osk_keymap),
	.delay		= 9,
};

static struct resource osk5912_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device osk5912_kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &osk_kp_data,
	},
	.num_resources	= ARRAY_SIZE(osk5912_kp_resources),
	.resource	= osk5912_kp_resources,
};

static struct platform_device osk5912_lcd_device = {
	.name		= "lcd_osk",
	.id		= -1,
};

static struct platform_device *mistral_devices[] __initdata = {
	&osk5912_kp_device,
	&osk5912_lcd_device,
};

static int mistral_get_pendown_state(void)
{
	return !omap_get_gpio_datain(4);
}

static const struct ads7846_platform_data mistral_ts_info = {
	.model			= 7846,
	.vref_delay_usecs	= 100,	/* internal, no capacitor */
	.x_plate_ohms		= 419,
	.y_plate_ohms		= 486,
	.get_pendown_state	= mistral_get_pendown_state,
};

static struct spi_board_info __initdata mistral_boardinfo[] = { {
	/* MicroWire (bus 2) CS0 has an ads7846e */
	.modalias		= "ads7846",
	.platform_data		= &mistral_ts_info,
	.irq			= OMAP_GPIO_IRQ(4),
	.max_speed_hz		= 120000 /* max sample rate at 3V */
					* 26 /* command + data + overhead */,
	.bus_num		= 2,
	.chip_select		= 0,
} };

#ifdef	CONFIG_PM
static irqreturn_t
osk_mistral_wake_interrupt(int irq, void *ignored)
{
	return IRQ_HANDLED;
}
#endif

static void __init osk_mistral_init(void)
{
	/* NOTE:  we could actually tell if there's a Mistral board
	 * attached, e.g. by trying to read something from the ads7846.
	 * But this arch_init() code is too early for that, since we
	 * can't talk to the ads or even the i2c eeprom.
	 */

	// omap_cfg_reg(P19_1610_GPIO6);	// BUSY
	omap_cfg_reg(P20_1610_GPIO4);	// PENIRQ
	set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
	spi_register_board_info(mistral_boardinfo,
			ARRAY_SIZE(mistral_boardinfo));

	/* the sideways button (SW1) is for use as a "wakeup" button */
	omap_cfg_reg(N15_1610_MPUIO2);
	if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
		int ret = 0;
		omap_set_gpio_direction(OMAP_MPUIO(2), 1);
		set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
#ifdef	CONFIG_PM
		/* share the IRQ in case someone wants to use the
		 * button for more than wakeup from system sleep.
		 */
		ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
				&osk_mistral_wake_interrupt,
				IRQF_SHARED, "mistral_wakeup",
				&osk_mistral_wake_interrupt);
		if (ret != 0) {
			omap_free_gpio(OMAP_MPUIO(2));
			printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
				ret);
		} else
			enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
#endif
	} else
		printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");

	platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
}
#else
static void __init osk_mistral_init(void) { }
#endif

#define EMIFS_CS3_VAL	(0x88013141)

static void __init osk_init(void)
{
	/* Workaround for wrong CS3 (NOR flash) timing
	 * There are some U-Boot versions out there which configure
	 * wrong CS3 memory timings. This mainly leads to CRC
	 * or similiar errors if you use NOR flash (e.g. with JFFS2)
	 */
	if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
		EMIFS_CCS(3) = EMIFS_CS3_VAL;

	osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
	osk_flash_resource.end += SZ_32M - 1;
	platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
	omap_board_config = osk_config;
	omap_board_config_size = ARRAY_SIZE(osk_config);
	USB_TRANSCEIVER_CTRL_REG |= (3 << 1);

	omap_serial_init();
	osk_mistral_init();
}

static void __init osk_map_io(void)
{
	omap1_map_common_io();
}

MACHINE_START(OMAP_OSK, "TI-OSK")
	/* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= osk_map_io,
	.init_irq	= osk_init_irq,
	.init_machine	= osk_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
1da177e4	1	/*
dbdf9ced	2	* linux/arch/arm/mach-omap1/board-osk.c
1da177e4 LT	3	*
	4	* Board specific init for OMAP5912 OSK
	5	*
	6	* Written by Dirk Behme <dirk.behme@de.bosch.com>
	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2 of the License, or (at your
	11	* option) any later version.
	12	*
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
	14	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	15	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
	16	* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	17	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	18	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	19	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
	20	* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	21	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	22	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	23	*
	24	* You should have received a copy of the GNU General Public License along
	25	* with this program; if not, write to the Free Software Foundation, Inc.,
	26	* 675 Mass Ave, Cambridge, MA 02139, USA.
	27	*/
	28
	29	#include <linux/kernel.h>
	30	#include <linux/init.h>
d052d1be	31	#include <linux/platform_device.h>
d533c128	32	#include <linux/irq.h>
ffd22b8e	33	#include <linux/interrupt.h>
7c38cf02 TL	34
	35	#include <linux/mtd/mtd.h>
	36	#include <linux/mtd/partitions.h>
1da177e4 LT	37
	38	#include <asm/hardware.h>
	39	#include <asm/mach-types.h>
	40	#include <asm/mach/arch.h>
	41	#include <asm/mach/map.h>
7c38cf02	42	#include <asm/mach/flash.h>
1da177e4 LT	43
	44	#include <asm/arch/gpio.h>
	45	#include <asm/arch/usb.h>
	46	#include <asm/arch/mux.h>
	47	#include <asm/arch/tc.h>
d48af15e	48	#include <asm/arch/common.h>
9b6553cd TL	49	#include <asm/arch/mcbsp.h>
	50	#include <asm/arch/omap-alsa.h>
	51
7c38cf02 TL	52	static struct mtd_partition osk_partitions[] = {
	53	/* bootloader (U-Boot, etc) in first sector */
	54	{
	55	.name = "bootloader",
	56	.offset = 0,
	57	.size = SZ_128K,
	58	.mask_flags = MTD_WRITEABLE, /* force read-only */
	59	},
	60	/* bootloader params in the next sector */
	61	{
	62	.name = "params",
	63	.offset = MTDPART_OFS_APPEND,
	64	.size = SZ_128K,
	65	.mask_flags = 0,
	66	}, {
	67	.name = "kernel",
	68	.offset = MTDPART_OFS_APPEND,
	69	.size = SZ_2M,
	70	.mask_flags = 0
	71	}, {
	72	.name = "filesystem",
	73	.offset = MTDPART_OFS_APPEND,
	74	.size = MTDPART_SIZ_FULL,
	75	.mask_flags = 0
	76	}
1da177e4 LT	77	};
1da177e4 LT	78
7c38cf02 TL	79	static struct flash_platform_data osk_flash_data = {
	80	.map_name = "cfi_probe",
	81	.width = 2,
	82	.parts = osk_partitions,
	83	.nr_parts = ARRAY_SIZE(osk_partitions),
	84	};
	85
	86	static struct resource osk_flash_resource = {
	87	/* this is on CS3, wherever it's mapped */
	88	.flags = IORESOURCE_MEM,
	89	};
	90
	91	static struct platform_device osk5912_flash_device = {
	92	.name = "omapflash",
	93	.id = 0,
	94	.dev = {
	95	.platform_data = &osk_flash_data,
	96	},
	97	.num_resources = 1,
	98	.resource = &osk_flash_resource,
	99	};
1da177e4 LT	100
	101	static struct resource osk5912_smc91x_resources[] = {
	102	[0] = {
	103	.start = OMAP_OSK_ETHR_START, /* Physical */
	104	.end = OMAP_OSK_ETHR_START + 0xf,
	105	.flags = IORESOURCE_MEM,
	106	},
	107	[1] = {
	108	.start = OMAP_GPIO_IRQ(0),
	109	.end = OMAP_GPIO_IRQ(0),
	110	.flags = IORESOURCE_IRQ,
	111	},
	112	};
	113
	114	static struct platform_device osk5912_smc91x_device = {
	115	.name = "smc91x",
	116	.id = -1,
	117	.num_resources = ARRAY_SIZE(osk5912_smc91x_resources),
	118	.resource = osk5912_smc91x_resources,
	119	};
	120
	121	static struct resource osk5912_cf_resources[] = {
	122	[0] = {
	123	.start = OMAP_GPIO_IRQ(62),
	124	.end = OMAP_GPIO_IRQ(62),
	125	.flags = IORESOURCE_IRQ,
	126	},
	127	};
	128
	129	static struct platform_device osk5912_cf_device = {
	130	.name = "omap_cf",
	131	.id = -1,
	132	.dev = {
	133	.platform_data = (void ) 2 / CS2 */,
	134	},
	135	.num_resources = ARRAY_SIZE(osk5912_cf_resources),
	136	.resource = osk5912_cf_resources,
	137	};
	138
9b6553cd TL	139	#define DEFAULT_BITPERSAMPLE 16
	140
	141	static struct omap_mcbsp_reg_cfg mcbsp_regs = {
	142	.spcr2 = FREE \| FRST \| GRST \| XRST \| XINTM(3),
	143	.spcr1 = RINTM(3) \| RRST,
	144	.rcr2 = RPHASE \| RFRLEN2(OMAP_MCBSP_WORD_8) \|
	145	RWDLEN2(OMAP_MCBSP_WORD_16) \| RDATDLY(0),
	146	.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) \| RWDLEN1(OMAP_MCBSP_WORD_16),
	147	.xcr2 = XPHASE \| XFRLEN2(OMAP_MCBSP_WORD_8) \|
	148	XWDLEN2(OMAP_MCBSP_WORD_16) \| XDATDLY(0) \| XFIG,
	149	.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) \| XWDLEN1(OMAP_MCBSP_WORD_16),
	150	.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
	151	.srgr2 = GSYNC \| CLKSP \| FSGM \| FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
	152	/.pcr0 = FSXM \| FSRM \| CLKXM \| CLKRM \| CLKXP \| CLKRP,/ /* mcbsp: master */
	153	.pcr0 = CLKXP \| CLKRP, /* mcbsp: slave */
	154	};
	155
	156	static struct omap_alsa_codec_config alsa_config = {
	157	.name = "OSK AIC23",
	158	.mcbsp_regs_alsa = &mcbsp_regs,
	159	.codec_configure_dev = NULL, // aic23_configure,
	160	.codec_set_samplerate = NULL, // aic23_set_samplerate,
	161	.codec_clock_setup = NULL, // aic23_clock_setup,
	162	.codec_clock_on = NULL, // aic23_clock_on,
	163	.codec_clock_off = NULL, // aic23_clock_off,
	164	.get_default_samplerate = NULL, // aic23_get_default_samplerate,
	165	};
	166
7c38cf02	167	static struct platform_device osk5912_mcbsp1_device = {
9b6553cd	168	.name = "omap_alsa_mcbsp",
78762841	169	.id = 1,
9b6553cd TL	170	.dev = {
	171	.platform_data = &alsa_config,
	172	},
	173	};
	174
1da177e4	175	static struct platform_device *osk5912_devices[] __initdata = {
7c38cf02	176	&osk5912_flash_device,
1da177e4 LT	177	&osk5912_smc91x_device,
1da177e4 LT	178	&osk5912_cf_device,
7c38cf02	179	&osk5912_mcbsp1_device,
1da177e4 LT	180	};
	181
	182	static void __init osk_init_smc91x(void)
	183	{
	184	if ((omap_request_gpio(0)) < 0) {
	185	printk("Error requesting gpio 0 for smc91x irq\n");
	186	return;
	187	}
1da177e4 LT	188
1da177e4 LT	189	/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
3179a019	190	EMIFS_CCS(1) \|= 0x3;
1da177e4 LT	191	}
	192
	193	static void __init osk_init_cf(void)
	194	{
	195	omap_cfg_reg(M7_1610_GPIO62);
	196	if ((omap_request_gpio(62)) < 0) {
	197	printk("Error requesting gpio 62 for CF irq\n");
	198	return;
	199	}
7c38cf02 TL	200	/* the CF I/O IRQ is really active-low */
7c38cf02 TL	201	set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
1da177e4 LT	202	}
1da177e4 LT	203
7c38cf02	204	static void __init osk_init_irq(void)
1da177e4	205	{
87bd63f6	206	omap1_init_common_hw();
1da177e4 LT	207	omap_init_irq();
	208	omap_gpio_init();
	209	osk_init_smc91x();
	210	osk_init_cf();
	211	}
	212
	213	static struct omap_usb_config osk_usb_config __initdata = {
	214	/* has usb host connector (A) ... for development it can also
	215	* be used, with a NONSTANDARD gender-bending cable/dongle, as
	216	* a peripheral.
	217	*/
	218	#ifdef CONFIG_USB_GADGET_OMAP
	219	.register_dev = 1,
	220	.hmc_mode = 0,
	221	#else
	222	.register_host = 1,
	223	.hmc_mode = 16,
	224	.rwc = 1,
	225	#endif
	226	.pins[0] = 2,
	227	};
	228
3179a019 TL	229	static struct omap_uart_config osk_uart_config __initdata = {
	230	.enabled_uarts = (1 << 0),
	231	};
	232
78762841	233	#ifdef CONFIG_OMAP_OSK_MISTRAL
3179a019	234	static struct omap_lcd_config osk_lcd_config __initdata = {
3179a019 TL	235	.ctrl_name = "internal",
3179a019 TL	236	};
78762841	237	#endif
3179a019	238
1da177e4 LT	239	static struct omap_board_config_kernel osk_config[] = {
1da177e4 LT	240	{ OMAP_TAG_USB, &osk_usb_config },
3179a019	241	{ OMAP_TAG_UART, &osk_uart_config },
78762841	242	#ifdef CONFIG_OMAP_OSK_MISTRAL
3179a019	243	{ OMAP_TAG_LCD, &osk_lcd_config },
78762841	244	#endif
1da177e4 LT	245	};
1da177e4 LT	246
7c38cf02 TL	247	#ifdef CONFIG_OMAP_OSK_MISTRAL
7c38cf02 TL	248
78762841 DB	249	#include <linux/input.h>
	250	#include <linux/spi/spi.h>
	251	#include <linux/spi/ads7846.h>
	252
	253	#include <asm/arch/keypad.h>
	254
	255	static const int osk_keymap[] = {
	256	/* KEY(col, row, code) */
	257	KEY(0, 0, KEY_F1), /* SW4 */
	258	KEY(0, 3, KEY_UP), /* (sw2/up) */
	259	KEY(1, 1, KEY_LEFTCTRL), /* SW5 */
	260	KEY(1, 2, KEY_LEFT), /* (sw2/left) */
	261	KEY(2, 0, KEY_SPACE), /* SW3 */
	262	KEY(2, 1, KEY_ESC), /* SW6 */
	263	KEY(2, 2, KEY_DOWN), /* (sw2/down) */
	264	KEY(3, 2, KEY_ENTER), /* (sw2/select) */
	265	KEY(3, 3, KEY_RIGHT), /* (sw2/right) */
	266	0
	267	};
	268
	269	static struct omap_kp_platform_data osk_kp_data = {
4d24607b KS	270	.rows = 8,
	271	.cols = 8,
	272	.keymap = (int *) osk_keymap,
	273	.keymapsize = ARRAY_SIZE(osk_keymap),
	274	.delay = 9,
78762841 DB	275	};
	276
	277	static struct resource osk5912_kp_resources[] = {
	278	[0] = {
	279	.start = INT_KEYBOARD,
	280	.end = INT_KEYBOARD,
	281	.flags = IORESOURCE_IRQ,
	282	},
	283	};
	284
	285	static struct platform_device osk5912_kp_device = {
	286	.name = "omap-keypad",
	287	.id = -1,
	288	.dev = {
	289	.platform_data = &osk_kp_data,
	290	},
	291	.num_resources = ARRAY_SIZE(osk5912_kp_resources),
	292	.resource = osk5912_kp_resources,
	293	};
	294
	295	static struct platform_device osk5912_lcd_device = {
	296	.name = "lcd_osk",
	297	.id = -1,
	298	};
	299
	300	static struct platform_device *mistral_devices[] __initdata = {
	301	&osk5912_kp_device,
	302	&osk5912_lcd_device,
	303	};
	304
e8cdf7bd DB	305	static int mistral_get_pendown_state(void)
	306	{
	307	return !omap_get_gpio_datain(4);
	308	}
	309
78762841 DB	310	static const struct ads7846_platform_data mistral_ts_info = {
	311	.model = 7846,
	312	.vref_delay_usecs = 100, /* internal, no capacitor */
	313	.x_plate_ohms = 419,
	314	.y_plate_ohms = 486,
e8cdf7bd	315	.get_pendown_state = mistral_get_pendown_state,
78762841 DB	316	};
	317
	318	static struct spi_board_info __initdata mistral_boardinfo[] = { {
	319	/* MicroWire (bus 2) CS0 has an ads7846e */
	320	.modalias = "ads7846",
	321	.platform_data = &mistral_ts_info,
	322	.irq = OMAP_GPIO_IRQ(4),
	323	.max_speed_hz = 120000 /* max sample rate at 3V */
	324	* 26 /* command + data + overhead */,
	325	.bus_num = 2,
	326	.chip_select = 0,
	327	} };
	328
7c38cf02 TL	329	#ifdef CONFIG_PM
7c38cf02 TL	330	static irqreturn_t
0cd61b68	331	osk_mistral_wake_interrupt(int irq, void *ignored)
7c38cf02 TL	332	{
	333	return IRQ_HANDLED;
	334	}
	335	#endif
	336
	337	static void __init osk_mistral_init(void)
	338	{
78762841	339	/* NOTE: we could actually tell if there's a Mistral board
7c38cf02	340	* attached, e.g. by trying to read something from the ads7846.
78762841 DB	341	* But this arch_init() code is too early for that, since we
78762841 DB	342	* can't talk to the ads or even the i2c eeprom.
7c38cf02 TL	343	*/
7c38cf02 TL	344
78762841 DB	345	// omap_cfg_reg(P19_1610_GPIO6); // BUSY
	346	omap_cfg_reg(P20_1610_GPIO4); // PENIRQ
	347	set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
	348	spi_register_board_info(mistral_boardinfo,
	349	ARRAY_SIZE(mistral_boardinfo));
	350
7c38cf02 TL	351	/* the sideways button (SW1) is for use as a "wakeup" button */
	352	omap_cfg_reg(N15_1610_MPUIO2);
	353	if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
	354	int ret = 0;
	355	omap_set_gpio_direction(OMAP_MPUIO(2), 1);
	356	set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
	357	#ifdef CONFIG_PM
	358	/* share the IRQ in case someone wants to use the
	359	* button for more than wakeup from system sleep.
	360	*/
	361	ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
	362	&osk_mistral_wake_interrupt,
52e405ea	363	IRQF_SHARED, "mistral_wakeup",
7c38cf02 TL	364	&osk_mistral_wake_interrupt);
	365	if (ret != 0) {
	366	omap_free_gpio(OMAP_MPUIO(2));
	367	printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
	368	ret);
	369	} else
	370	enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
	371	#endif
	372	} else
	373	printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
78762841 DB	374
78762841 DB	375	platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
7c38cf02 TL	376	}
	377	#else
	378	static void __init osk_mistral_init(void) { }
	379	#endif
	380
9b6553cd TL	381	#define EMIFS_CS3_VAL (0x88013141)
9b6553cd TL	382
1da177e4 LT	383	static void __init osk_init(void)
1da177e4 LT	384	{
9b6553cd TL	385	/* Workaround for wrong CS3 (NOR flash) timing
	386	* There are some U-Boot versions out there which configure
	387	* wrong CS3 memory timings. This mainly leads to CRC
	388	* or similiar errors if you use NOR flash (e.g. with JFFS2)
	389	*/
	390	if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
	391	EMIFS_CCS(3) = EMIFS_CS3_VAL;
	392
7c38cf02 TL	393	osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
7c38cf02 TL	394	osk_flash_resource.end += SZ_32M - 1;
1da177e4 LT	395	platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
	396	omap_board_config = osk_config;
	397	omap_board_config_size = ARRAY_SIZE(osk_config);
	398	USB_TRANSCEIVER_CTRL_REG \|= (3 << 1);
7c38cf02	399
3179a019	400	omap_serial_init();
7c38cf02	401	osk_mistral_init();
1da177e4 LT	402	}
	403
	404	static void __init osk_map_io(void)
	405	{
87bd63f6	406	omap1_map_common_io();
1da177e4 LT	407	}
	408
	409	MACHINE_START(OMAP_OSK, "TI-OSK")
e9dea0c6	410	/* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
e9dea0c6 RK	411	.phys_io = 0xfff00000,
	412	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
	413	.boot_params = 0x10000100,
	414	.map_io = osk_map_io,
	415	.init_irq = osk_init_irq,
	416	.init_machine = osk_init,
1da177e4 LT	417	.timer = &omap_timer,
1da177e4 LT	418	MACHINE_END