|  | /* | 
|  | * linux/arch/arm/mach-omap1/board-palmte.c | 
|  | * | 
|  | * Modified from board-generic.c | 
|  | * | 
|  | * Support for the Palm Tungsten E PDA. | 
|  | * | 
|  | * Original version : Laurent Gonzalez | 
|  | * | 
|  | * Maintainers : http://palmtelinux.sf.net | 
|  | *                palmtelinux-developpers@lists.sf.net | 
|  | * | 
|  | * Copyright (c) 2006 Andrzej Zaborowski  <balrog@zabor.org> | 
|  | * | 
|  | * 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/kernel.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/input.h> | 
|  | #include <linux/platform_device.h> | 
|  | #include <linux/mtd/mtd.h> | 
|  | #include <linux/mtd/partitions.h> | 
|  | #include <linux/mtd/physmap.h> | 
|  | #include <linux/spi/spi.h> | 
|  | #include <linux/interrupt.h> | 
|  | #include <linux/apm-emulation.h> | 
|  |  | 
|  | #include <mach/hardware.h> | 
|  | #include <asm/mach-types.h> | 
|  | #include <asm/mach/arch.h> | 
|  | #include <asm/mach/map.h> | 
|  |  | 
|  | #include <mach/gpio.h> | 
|  | #include <plat/flash.h> | 
|  | #include <plat/mux.h> | 
|  | #include <plat/usb.h> | 
|  | #include <plat/tc.h> | 
|  | #include <plat/dma.h> | 
|  | #include <plat/board.h> | 
|  | #include <plat/irda.h> | 
|  | #include <plat/keypad.h> | 
|  | #include <plat/common.h> | 
|  |  | 
|  | #define PALMTE_USBDETECT_GPIO	0 | 
|  | #define PALMTE_USB_OR_DC_GPIO	1 | 
|  | #define PALMTE_TSC_GPIO		4 | 
|  | #define PALMTE_PINTDAV_GPIO	6 | 
|  | #define PALMTE_MMC_WP_GPIO	8 | 
|  | #define PALMTE_MMC_POWER_GPIO	9 | 
|  | #define PALMTE_HDQ_GPIO		11 | 
|  | #define PALMTE_HEADPHONES_GPIO	14 | 
|  | #define PALMTE_SPEAKER_GPIO	15 | 
|  | #define PALMTE_DC_GPIO		OMAP_MPUIO(2) | 
|  | #define PALMTE_MMC_SWITCH_GPIO	OMAP_MPUIO(4) | 
|  | #define PALMTE_MMC1_GPIO	OMAP_MPUIO(6) | 
|  | #define PALMTE_MMC2_GPIO	OMAP_MPUIO(7) | 
|  | #define PALMTE_MMC3_GPIO	OMAP_MPUIO(11) | 
|  |  | 
|  | static void __init omap_palmte_init_irq(void) | 
|  | { | 
|  | omap1_init_common_hw(); | 
|  | omap_init_irq(); | 
|  | omap_gpio_init(); | 
|  | } | 
|  |  | 
|  | static const int palmte_keymap[] = { | 
|  | KEY(0, 0, KEY_F1),		/* Calendar */ | 
|  | KEY(0, 1, KEY_F2),		/* Contacts */ | 
|  | KEY(0, 2, KEY_F3),		/* Tasks List */ | 
|  | KEY(0, 3, KEY_F4),		/* Note Pad */ | 
|  | 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_ENTER), | 
|  | 0, | 
|  | }; | 
|  |  | 
|  | static struct omap_kp_platform_data palmte_kp_data = { | 
|  | .rows	= 8, | 
|  | .cols	= 8, | 
|  | .keymap = (int *) palmte_keymap, | 
|  | .rep	= 1, | 
|  | .delay	= 12, | 
|  | }; | 
|  |  | 
|  | static struct resource palmte_kp_resources[] = { | 
|  | [0]	= { | 
|  | .start	= INT_KEYBOARD, | 
|  | .end	= INT_KEYBOARD, | 
|  | .flags	= IORESOURCE_IRQ, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct platform_device palmte_kp_device = { | 
|  | .name		= "omap-keypad", | 
|  | .id		= -1, | 
|  | .dev		= { | 
|  | .platform_data	= &palmte_kp_data, | 
|  | }, | 
|  | .num_resources	= ARRAY_SIZE(palmte_kp_resources), | 
|  | .resource	= palmte_kp_resources, | 
|  | }; | 
|  |  | 
|  | static struct mtd_partition palmte_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 physmap_flash_data palmte_rom_data = { | 
|  | .width		= 2, | 
|  | .set_vpp	= omap1_set_vpp, | 
|  | .parts		= palmte_rom_partitions, | 
|  | .nr_parts	= ARRAY_SIZE(palmte_rom_partitions), | 
|  | }; | 
|  |  | 
|  | static struct resource palmte_rom_resource = { | 
|  | .start		= OMAP_CS0_PHYS, | 
|  | .end		= OMAP_CS0_PHYS + SZ_8M - 1, | 
|  | .flags		= IORESOURCE_MEM, | 
|  | }; | 
|  |  | 
|  | static struct platform_device palmte_rom_device = { | 
|  | .name		= "physmap-flash", | 
|  | .id		= -1, | 
|  | .dev		= { | 
|  | .platform_data	= &palmte_rom_data, | 
|  | }, | 
|  | .num_resources	= 1, | 
|  | .resource	= &palmte_rom_resource, | 
|  | }; | 
|  |  | 
|  | static struct platform_device palmte_lcd_device = { | 
|  | .name		= "lcd_palmte", | 
|  | .id		= -1, | 
|  | }; | 
|  |  | 
|  | static struct omap_backlight_config palmte_backlight_config = { | 
|  | .default_intensity	= 0xa0, | 
|  | }; | 
|  |  | 
|  | static struct platform_device palmte_backlight_device = { | 
|  | .name		= "omap-bl", | 
|  | .id		= -1, | 
|  | .dev		= { | 
|  | .platform_data	= &palmte_backlight_config, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct omap_irda_config palmte_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 palmte_irda_resources[] = { | 
|  | [0]	= { | 
|  | .start	= INT_UART3, | 
|  | .end	= INT_UART3, | 
|  | .flags	= IORESOURCE_IRQ, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct platform_device palmte_irda_device = { | 
|  | .name		= "omapirda", | 
|  | .id		= -1, | 
|  | .dev		= { | 
|  | .platform_data	= &palmte_irda_config, | 
|  | }, | 
|  | .num_resources	= ARRAY_SIZE(palmte_irda_resources), | 
|  | .resource	= palmte_irda_resources, | 
|  | }; | 
|  |  | 
|  | static struct platform_device *palmte_devices[] __initdata = { | 
|  | &palmte_rom_device, | 
|  | &palmte_kp_device, | 
|  | &palmte_lcd_device, | 
|  | &palmte_backlight_device, | 
|  | &palmte_irda_device, | 
|  | }; | 
|  |  | 
|  | static struct omap_usb_config palmte_usb_config __initdata = { | 
|  | .register_dev	= 1,	/* Mini-B only receptacle */ | 
|  | .hmc_mode	= 0, | 
|  | .pins[0]	= 2, | 
|  | }; | 
|  |  | 
|  | static struct omap_lcd_config palmte_lcd_config __initdata = { | 
|  | .ctrl_name	= "internal", | 
|  | }; | 
|  |  | 
|  | static struct omap_board_config_kernel palmte_config[] __initdata = { | 
|  | { OMAP_TAG_LCD,		&palmte_lcd_config }, | 
|  | }; | 
|  |  | 
|  | static struct spi_board_info palmte_spi_info[] __initdata = { | 
|  | { | 
|  | .modalias	= "tsc2102", | 
|  | .bus_num	= 2,	/* uWire (officially) */ | 
|  | .chip_select	= 0,	/* As opposed to 3 */ | 
|  | .irq		= OMAP_GPIO_IRQ(PALMTE_PINTDAV_GPIO), | 
|  | .max_speed_hz	= 8000000, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static void palmte_headphones_detect(void *data, int state) | 
|  | { | 
|  | if (state) { | 
|  | /* Headphones connected, disable speaker */ | 
|  | gpio_set_value(PALMTE_SPEAKER_GPIO, 0); | 
|  | printk(KERN_INFO "PM: speaker off\n"); | 
|  | } else { | 
|  | /* Headphones unplugged, re-enable speaker */ | 
|  | gpio_set_value(PALMTE_SPEAKER_GPIO, 1); | 
|  | printk(KERN_INFO "PM: speaker on\n"); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void __init palmte_misc_gpio_setup(void) | 
|  | { | 
|  | /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */ | 
|  | if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) { | 
|  | printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n"); | 
|  | return; | 
|  | } | 
|  | gpio_direction_input(PALMTE_PINTDAV_GPIO); | 
|  |  | 
|  | /* Set USB-or-DC-IN pin as input (unused) */ | 
|  | if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) { | 
|  | printk(KERN_ERR "Could not reserve cable signal GPIO!\n"); | 
|  | return; | 
|  | } | 
|  | gpio_direction_input(PALMTE_USB_OR_DC_GPIO); | 
|  | } | 
|  |  | 
|  | static void __init omap_palmte_init(void) | 
|  | { | 
|  | /* mux pins for uarts */ | 
|  | omap_cfg_reg(UART1_TX); | 
|  | omap_cfg_reg(UART1_RTS); | 
|  | omap_cfg_reg(UART2_TX); | 
|  | omap_cfg_reg(UART2_RTS); | 
|  | omap_cfg_reg(UART3_TX); | 
|  | omap_cfg_reg(UART3_RX); | 
|  |  | 
|  | omap_board_config = palmte_config; | 
|  | omap_board_config_size = ARRAY_SIZE(palmte_config); | 
|  |  | 
|  | platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices)); | 
|  |  | 
|  | spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info)); | 
|  | palmte_misc_gpio_setup(); | 
|  | omap_serial_init(); | 
|  | omap1_usb_init(&palmte_usb_config); | 
|  | omap_register_i2c_bus(1, 100, NULL, 0); | 
|  | } | 
|  |  | 
|  | static void __init omap_palmte_map_io(void) | 
|  | { | 
|  | omap1_map_common_io(); | 
|  | } | 
|  |  | 
|  | MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E") | 
|  | .boot_params	= 0x10000100, | 
|  | .map_io		= omap_palmte_map_io, | 
|  | .reserve	= omap_reserve, | 
|  | .init_irq	= omap_palmte_init_irq, | 
|  | .init_machine	= omap_palmte_init, | 
|  | .timer		= &omap_timer, | 
|  | MACHINE_END |