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Commit ec70e8af authored by Marek Vasut's avatar Marek Vasut Committed by Tony Lindgren
Browse files

ARM: OMAP: PalmZ71 support 



Palmz71 specific things - board file.

Signed-off-by: default avatarMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 325d50b6

arch/arm/mach-omap1/Kconfig

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@@ -89,6 +89,15 @@ config MACH_OMAP_PALMTE 
	  http://palmtelinux.sourceforge.net/ for more information.

	  Say Y here if you have this PDA model, say N otherwise.



config MACH_OMAP_PALMZ71

	bool "Palm Zire71"

	depends on ARCH_OMAP1 && ARCH_OMAP15XX

	help

	 Support for the Palm Zire71 PDA. To boot the kernel,

	 you'll need a PalmOS compatible bootloader; check out

	 http://hackndev.com/palm/z71 for more informations.

	 Say Y here if you have such a PDA, say N otherwise.



config MACH_NOKIA770

	bool "Nokia 770"

	depends on ARCH_OMAP1 && ARCH_OMAP16XX

arch/arm/mach-omap1/Makefile

+1 −0
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@@ -22,6 +22,7 @@ obj-$(CONFIG_MACH_OMAP_OSK) += board-osk.o 
obj-$(CONFIG_MACH_OMAP_H3)		+= board-h3.o

obj-$(CONFIG_MACH_VOICEBLUE)		+= board-voiceblue.o

obj-$(CONFIG_MACH_OMAP_PALMTE)		+= board-palmte.o

obj-$(CONFIG_MACH_OMAP_PALMZ71)		+= board-palmz71.o

obj-$(CONFIG_MACH_NOKIA770)		+= board-nokia770.o

obj-$(CONFIG_MACH_AMS_DELTA)		+= board-ams-delta.o

arch/arm/mach-omap1/board-palmz71.c

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/*

 * linux/arch/arm/mach-omap1/board-palmz71.c

 *

 * Modified from board-generic.c

 *

 * Support for the Palm Zire71 PDA.

 *

 * Original version : Laurent Gonzalez

 *

 * Modified for zire71 : Marek Vasut

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */



#include <linux/delay.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/notifier.h>

#include <linux/clk.h>

#include <linux/irq.h>

#include <linux/input.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/mcbsp.h>

#include <asm/arch/gpio.h>

#include <asm/arch/mux.h>

#include <asm/arch/usb.h>

#include <asm/arch/dma.h>

#include <asm/arch/tc.h>

#include <asm/arch/board.h>

#include <asm/arch/irda.h>

#include <asm/arch/keypad.h>

#include <asm/arch/common.h>

#include <asm/arch/omap-alsa.h>



#include <linux/input.h>

#include <linux/spi/spi.h>

#include <linux/spi/ads7846.h>



static void __init

omap_palmz71_init_irq(void)

{

	omap1_init_common_hw();

	omap_init_irq();

	omap_gpio_init();

}



static int palmz71_keymap[] = {

	KEY(0, 0, KEY_F1),

	KEY(0, 1, KEY_F2),

	KEY(0, 2, KEY_F3),

	KEY(0, 3, KEY_F4),

	KEY(0, 4, KEY_POWER),

	KEY(1, 0, KEY_LEFT),

	KEY(1, 1, KEY_DOWN),

	KEY(1, 2, KEY_UP),

	KEY(1, 3, KEY_RIGHT),

	KEY(1, 4, KEY_CENTER),

	KEY(2, 0, KEY_CAMERA),

	0,

};



static struct omap_kp_platform_data palmz71_kp_data = {

	.rows	= 8,

	.cols	= 8,

	.keymap	= palmz71_keymap,

	.rep	= 1,

	.delay	= 80,

};



static struct resource palmz71_kp_resources[] = {

	[0] = {

		.start	= INT_KEYBOARD,

		.end	= INT_KEYBOARD,

		.flags	= IORESOURCE_IRQ,

	},

};



static struct platform_device palmz71_kp_device = {

	.name	= "omap-keypad",

	.id	= -1,

	.dev	= {

		.platform_data = &palmz71_kp_data,

	},

	.num_resources	= ARRAY_SIZE(palmz71_kp_resources),

	.resource	= palmz71_kp_resources,

};



static struct mtd_partition palmz71_rom_partitions[] = {

	/* PalmOS "Small ROM", contains the bootloader and the debugger */

	{

		.name		= "smallrom",

		.offset		= 0,

		.size		= 0xa000,

		.mask_flags	= MTD_WRITEABLE,

	},

	/* PalmOS "Big ROM", a filesystem with all the OS code and data */

	{

		.name	= "bigrom",

		.offset	= SZ_128K,

		/*

		 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,

		 * 0x7b0000 bytes in the English-only ("enUS") version.

		 */

		.size		= 0x7b0000,

		.mask_flags	= MTD_WRITEABLE,

	},

};



static struct flash_platform_data palmz71_rom_data = {

	.map_name	= "map_rom",

	.name		= "onboardrom",

	.width		= 2,

	.parts		= palmz71_rom_partitions,

	.nr_parts	= ARRAY_SIZE(palmz71_rom_partitions),

};



static struct resource palmz71_rom_resource = {

	.start	= OMAP_CS0_PHYS,

	.end	= OMAP_CS0_PHYS + SZ_8M - 1,

	.flags	= IORESOURCE_MEM,

};



static struct platform_device palmz71_rom_device = {

	.name	= "omapflash",

	.id	= -1,

	.dev = {

		.platform_data = &palmz71_rom_data,

	},

	.num_resources	= 1,

	.resource	= &palmz71_rom_resource,

};



static struct platform_device palmz71_lcd_device = {

	.name	= "lcd_palmz71",

	.id	= -1,

};



static struct omap_irda_config palmz71_irda_config = {

	.transceiver_cap	= IR_SIRMODE,

	.rx_channel		= OMAP_DMA_UART3_RX,

	.tx_channel		= OMAP_DMA_UART3_TX,

	.dest_start		= UART3_THR,

	.src_start		= UART3_RHR,

	.tx_trigger		= 0,

	.rx_trigger		= 0,

};



static struct resource palmz71_irda_resources[] = {

	[0] = {

		.start	= INT_UART3,

		.end	= INT_UART3,

		.flags	= IORESOURCE_IRQ,

	},

};



static struct platform_device palmz71_irda_device = {

	.name	= "omapirda",

	.id	= -1,

	.dev = {

		.platform_data = &palmz71_irda_config,

	},

	.num_resources	= ARRAY_SIZE(palmz71_irda_resources),

	.resource	= palmz71_irda_resources,

};



static struct platform_device palmz71_spi_device = {

	.name	= "spi_palmz71",

	.id	= -1,

};



#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	= CLKXP | CLKRP,	/* mcbsp: slave */

};



static struct omap_alsa_codec_config alsa_config = {

	.name			= "PalmZ71 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 palmz71_mcbsp1_device = {

	.name	= "omap_alsa_mcbsp",

	.id	= 1,

	.dev = {

		.platform_data = &alsa_config,

	},

};



static struct omap_backlight_config palmz71_backlight_config = {

	.default_intensity	= 0xa0,

};



static struct platform_device palmz71_backlight_device = {

	.name	= "omap-bl",

	.id	= -1,

	.dev	= {

		.platform_data = &palmz71_backlight_config,

	},

};



static struct platform_device *devices[] __initdata = {

	&palmz71_rom_device,

	&palmz71_kp_device,

	&palmz71_mcbsp1_device,

	&palmz71_lcd_device,

	&palmz71_irda_device,

	&palmz71_spi_device,

	&palmz71_backlight_device,

};



static int

palmz71_get_pendown_state(void)

{

	return !omap_get_gpio_datain(PALMZ71_PENIRQ_GPIO);

}



static const struct ads7846_platform_data palmz71_ts_info = {

	.model			= 7846,

	.vref_delay_usecs	= 100,	/* internal, no capacitor */

	.x_plate_ohms		= 419,

	.y_plate_ohms		= 486,

	.get_pendown_state	= palmz71_get_pendown_state,

};



static struct spi_board_info __initdata palmz71_boardinfo[] = { {

	/* MicroWire (bus 2) CS0 has an ads7846e */

	.modalias	= "ads7846",

	.platform_data	= &palmz71_ts_info,

	.irq		= OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),

	.max_speed_hz	= 120000	/* max sample rate at 3V */

				* 26	/* command + data + overhead */,

	.bus_num	= 2,

	.chip_select	= 0,

} };



static struct omap_usb_config palmz71_usb_config __initdata = {

	.register_dev	= 1,	/* Mini-B only receptacle */

	.hmc_mode	= 0,

	.pins[0]	= 2,

};



static struct omap_mmc_config palmz71_mmc_config __initdata = {

	.mmc[0] = {

		.enabled	= 1,

		.wire4		= 0,

		.wp_pin		= PALMZ71_MMC_WP_GPIO,

		.power_pin	= -1,

		.switch_pin	= PALMZ71_MMC_IN_GPIO,

	},

};



static struct omap_lcd_config palmz71_lcd_config __initdata = {

	.ctrl_name = "internal",

};



static struct omap_uart_config palmz71_uart_config __initdata = {

	.enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),

};



static struct omap_board_config_kernel palmz71_config[] = {

	{OMAP_TAG_USB,	&palmz71_usb_config},

	{OMAP_TAG_MMC,	&palmz71_mmc_config},

	{OMAP_TAG_LCD,	&palmz71_lcd_config},

	{OMAP_TAG_UART,	&palmz71_uart_config},

};



static irqreturn_t

palmz71_powercable(int irq, void *dev_id)

{

	if (omap_get_gpio_datain(PALMZ71_USBDETECT_GPIO)) {

		printk(KERN_INFO "PM: Power cable connected\n");

		set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),

				IRQT_FALLING);

	} else {

		printk(KERN_INFO "PM: Power cable disconnected\n");

		set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),

				IRQT_RISING);

	}

	return IRQ_HANDLED;

}



static void __init

omap_mpu_wdt_mode(int mode)

{

	if (mode)

		omap_writew(0x8000, OMAP_WDT_TIMER_MODE);

	else {

		omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);

		omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);

	}

}



static void __init

palmz71_gpio_setup(int early)

{

	if (early) {

		/* Only set GPIO1 so we have a working serial */

		omap_set_gpio_dataout(1, 1);

		omap_set_gpio_direction(1, 0);

	} else {

		/* Set MMC/SD host WP pin as input */

		if (omap_request_gpio(PALMZ71_MMC_WP_GPIO)) {

			printk(KERN_ERR "Could not reserve WP GPIO!\n");

			return;

		}

		omap_set_gpio_direction(PALMZ71_MMC_WP_GPIO, 1);



		/* Monitor the Power-cable-connected signal */

		if (omap_request_gpio(PALMZ71_USBDETECT_GPIO)) {

			printk(KERN_ERR

				"Could not reserve cable signal GPIO!\n");

			return;

		}

		omap_set_gpio_direction(PALMZ71_USBDETECT_GPIO, 1);

		if (request_irq(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),

				palmz71_powercable, IRQF_SAMPLE_RANDOM,

				"palmz71-cable", 0))

			printk(KERN_ERR

					"IRQ request for power cable failed!\n");

		palmz71_powercable(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), 0);

	}

}



static void __init

omap_palmz71_init(void)

{

	palmz71_gpio_setup(1);

	omap_mpu_wdt_mode(0);



	omap_board_config = palmz71_config;

	omap_board_config_size = ARRAY_SIZE(palmz71_config);



	platform_add_devices(devices, ARRAY_SIZE(devices));



	spi_register_board_info(palmz71_boardinfo,

				ARRAY_SIZE(palmz71_boardinfo));

	omap_serial_init();

	palmz71_gpio_setup(0);

}



static void __init

omap_palmz71_map_io(void)

{

	omap1_map_common_io();

}



MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")

	.phys_io = 0xfff00000,

	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,

	.boot_params = 0x10000100,.map_io = omap_palmz71_map_io,

	.init_irq = omap_palmz71_init_irq,

	.init_machine = omap_palmz71_init,

	.timer = &omap_timer,

MACHINE_END

include/asm-arm/arch-omap/board-palmz71.h

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/*

 * linux/include/asm-arm/arch-omap/board-palmz71.h

 *

 * Hardware definitions for the Palm Zire71 device.

 *

 * Maintainters :	Marek Vasut <marek.vasut@gmail.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */



#ifndef __OMAP_BOARD_PALMZ71_H

#define __OMAP_BOARD_PALMZ71_H



#define PALMZ71_USBDETECT_GPIO	0

#define PALMZ71_PENIRQ_GPIO	6

#define PALMZ71_MMC_WP_GPIO	8

#define PALMZ71_HDQ_GPIO 	11



#define PALMZ71_HOTSYNC_GPIO	OMAP_MPUIO(1)

#define PALMZ71_CABLE_GPIO	OMAP_MPUIO(2)

#define PALMZ71_SLIDER_GPIO	OMAP_MPUIO(3)

#define PALMZ71_MMC_IN_GPIO	OMAP_MPUIO(4)



#endif	/* __OMAP_BOARD_PALMZ71_H */

include/asm-arm/arch-omap/hardware.h

+4 −0
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@@ -334,6 +334,10 @@ 
#include "board-palmte.h"

#endif



#ifdef CONFIG_MACH_OMAP_PALMZ71

#include "board-palmz71.h"

#endif



#endif /* !__ASSEMBLER__ */



#endif	/* __ASM_ARCH_OMAP_HARDWARE_H */