[deliverable/linux.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/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,
};

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 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,
	// .{x,y,pressure}_{min,max}
};

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