arch/arm/mach-omap1/board-osk.c - kernel/msm-4.9 - Gitiles

 /*
  * 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/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>

 static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0};

 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,
 };

 static struct platform_device osk5912_mcbsp1_device = {
 	.name		= "omap_mcbsp",
 	.id		= 1,
 };

 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) |= 0x2;
 }

 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)
 {
 	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_board_config_kernel osk_config[] = {
 	{ OMAP_TAG_USB,           &osk_usb_config },
 };

 #ifdef	CONFIG_OMAP_OSK_MISTRAL

 #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)
 {
 	/* FIXME here's where to feed in framebuffer, touchpad, and
 	 * keyboard setup ...  not in the drivers for those devices!
 	 *
 	 * NOTE:  we could actually tell if there's a Mistral board
 	 * attached, e.g. by trying to read something from the ads7846.
 	 * But this is too early for that...
 	 */

 	/* 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");
 }
 #else
 static void __init osk_mistral_init(void) { }
 #endif

 static void __init osk_init(void)
 {
 	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);

 	osk_mistral_init();
 }

 static void __init osk_map_io(void)
 {
 	omap_map_common_io();
 	omap_serial_init(osk_serial_ports);
 }

 MACHINE_START(OMAP_OSK, "TI-OSK")
 	/* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
 	.phys_ram	= 0x10000000,
 	.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
	/*
	* 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/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>

	static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0};

	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,
	};

	static struct platform_device osk5912_mcbsp1_device = {
	.name = "omap_mcbsp",
	.id = 1,
	};

	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) \|= 0x2;
	}

	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)
	{
	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_board_config_kernel osk_config[] = {
	{ OMAP_TAG_USB, &osk_usb_config },
	};

	#ifdef CONFIG_OMAP_OSK_MISTRAL

	#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)
	{
	/* FIXME here's where to feed in framebuffer, touchpad, and
	* keyboard setup ... not in the drivers for those devices!
	*
	* NOTE: we could actually tell if there's a Mistral board
	* attached, e.g. by trying to read something from the ads7846.
	* But this is too early for that...
	*/

	/* 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");
	}
	#else
	static void __init osk_mistral_init(void) { }
	#endif

	static void __init osk_init(void)
	{
	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);

	osk_mistral_init();
	}

	static void __init osk_map_io(void)
	{
	omap_map_common_io();
	omap_serial_init(osk_serial_ports);
	}

	MACHINE_START(OMAP_OSK, "TI-OSK")
	/* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
	.phys_ram = 0x10000000,
	.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