|  | /* | 
|  | * linux/arch/arm/mach-at91/board-neocore926.c | 
|  | * | 
|  | *  Copyright (C) 2005 SAN People | 
|  | *  Copyright (C) 2007 Atmel Corporation | 
|  | *  Copyright (C) 2008 ADENEO. | 
|  | * | 
|  | * 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 program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | 
|  | */ | 
|  |  | 
|  | #include <linux/types.h> | 
|  | #include <linux/gpio.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/mm.h> | 
|  | #include <linux/module.h> | 
|  | #include <linux/platform_device.h> | 
|  | #include <linux/spi/spi.h> | 
|  | #include <linux/spi/ads7846.h> | 
|  | #include <linux/fb.h> | 
|  | #include <linux/gpio_keys.h> | 
|  | #include <linux/input.h> | 
|  |  | 
|  | #include <video/atmel_lcdc.h> | 
|  |  | 
|  | #include <asm/setup.h> | 
|  | #include <asm/mach-types.h> | 
|  | #include <asm/irq.h> | 
|  | #include <asm/sizes.h> | 
|  |  | 
|  | #include <asm/mach/arch.h> | 
|  | #include <asm/mach/map.h> | 
|  | #include <asm/mach/irq.h> | 
|  |  | 
|  | #include <mach/hardware.h> | 
|  | #include <mach/board.h> | 
|  | #include <mach/at91_aic.h> | 
|  | #include <mach/at91sam9_smc.h> | 
|  |  | 
|  | #include "sam9_smc.h" | 
|  | #include "generic.h" | 
|  |  | 
|  |  | 
|  | static void __init neocore926_init_early(void) | 
|  | { | 
|  | /* Initialize processor: 20 MHz crystal */ | 
|  | at91_initialize(20000000); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * USB Host port | 
|  | */ | 
|  | static struct at91_usbh_data __initdata neocore926_usbh_data = { | 
|  | .ports		= 2, | 
|  | .vbus_pin	= { AT91_PIN_PA24, AT91_PIN_PA21 }, | 
|  | .overcurrent_pin= {-EINVAL, -EINVAL}, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * USB Device port | 
|  | */ | 
|  | static struct at91_udc_data __initdata neocore926_udc_data = { | 
|  | .vbus_pin	= AT91_PIN_PA25, | 
|  | .pullup_pin	= -EINVAL,		/* pull-up driven by UDC */ | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * ADS7846 Touchscreen | 
|  | */ | 
|  | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | 
|  | static int ads7843_pendown_state(void) | 
|  | { | 
|  | return !at91_get_gpio_value(AT91_PIN_PA15);	/* Touchscreen PENIRQ */ | 
|  | } | 
|  |  | 
|  | static struct ads7846_platform_data ads_info = { | 
|  | .model			= 7843, | 
|  | .x_min			= 150, | 
|  | .x_max			= 3830, | 
|  | .y_min			= 190, | 
|  | .y_max			= 3830, | 
|  | .vref_delay_usecs	= 100, | 
|  | .x_plate_ohms		= 450, | 
|  | .y_plate_ohms		= 250, | 
|  | .pressure_max		= 15000, | 
|  | .debounce_max		= 1, | 
|  | .debounce_rep		= 0, | 
|  | .debounce_tol		= (~0), | 
|  | .get_pendown_state	= ads7843_pendown_state, | 
|  | }; | 
|  |  | 
|  | static void __init neocore926_add_device_ts(void) | 
|  | { | 
|  | at91_set_B_periph(AT91_PIN_PA15, 1);	/* External IRQ1, with pullup */ | 
|  | at91_set_gpio_input(AT91_PIN_PC13, 1);	/* Touchscreen BUSY signal */ | 
|  | } | 
|  | #else | 
|  | static void __init neocore926_add_device_ts(void) {} | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | * SPI devices. | 
|  | */ | 
|  | static struct spi_board_info neocore926_spi_devices[] = { | 
|  | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | 
|  | {	/* DataFlash card */ | 
|  | .modalias	= "mtd_dataflash", | 
|  | .chip_select	= 0, | 
|  | .max_speed_hz	= 15 * 1000 * 1000, | 
|  | .bus_num	= 0, | 
|  | }, | 
|  | #endif | 
|  | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | 
|  | { | 
|  | .modalias	= "ads7846", | 
|  | .chip_select	= 1, | 
|  | .max_speed_hz	= 125000 * 16, | 
|  | .bus_num	= 0, | 
|  | .platform_data	= &ads_info, | 
|  | .irq		= AT91SAM9263_ID_IRQ1, | 
|  | }, | 
|  | #endif | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * MCI (SD/MMC) | 
|  | */ | 
|  | static struct mci_platform_data __initdata neocore926_mci0_data = { | 
|  | .slot[0] = { | 
|  | .bus_width	= 4, | 
|  | .detect_pin	= AT91_PIN_PE18, | 
|  | .wp_pin		= AT91_PIN_PE19, | 
|  | }, | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * MACB Ethernet device | 
|  | */ | 
|  | static struct macb_platform_data __initdata neocore926_macb_data = { | 
|  | .phy_irq_pin	= AT91_PIN_PE31, | 
|  | .is_rmii	= 1, | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * NAND flash | 
|  | */ | 
|  | static struct mtd_partition __initdata neocore926_nand_partition[] = { | 
|  | { | 
|  | .name	= "Linux Kernel",	/* "Partition 1", */ | 
|  | .offset	= 0, | 
|  | .size	= SZ_8M, | 
|  | }, | 
|  | { | 
|  | .name	= "Filesystem",		/* "Partition 2", */ | 
|  | .offset	= MTDPART_OFS_NXTBLK, | 
|  | .size	= SZ_32M, | 
|  | }, | 
|  | { | 
|  | .name	= "Free",		/* "Partition 3", */ | 
|  | .offset	= MTDPART_OFS_NXTBLK, | 
|  | .size	= MTDPART_SIZ_FULL, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct atmel_nand_data __initdata neocore926_nand_data = { | 
|  | .ale			= 21, | 
|  | .cle			= 22, | 
|  | .rdy_pin		= AT91_PIN_PB19, | 
|  | .rdy_pin_active_low	= 1, | 
|  | .enable_pin		= AT91_PIN_PD15, | 
|  | .ecc_mode		= NAND_ECC_SOFT, | 
|  | .parts			= neocore926_nand_partition, | 
|  | .num_parts		= ARRAY_SIZE(neocore926_nand_partition), | 
|  | .det_pin		= -EINVAL, | 
|  | }; | 
|  |  | 
|  | static struct sam9_smc_config __initdata neocore926_nand_smc_config = { | 
|  | .ncs_read_setup		= 0, | 
|  | .nrd_setup		= 1, | 
|  | .ncs_write_setup	= 0, | 
|  | .nwe_setup		= 1, | 
|  |  | 
|  | .ncs_read_pulse		= 4, | 
|  | .nrd_pulse		= 4, | 
|  | .ncs_write_pulse	= 4, | 
|  | .nwe_pulse		= 4, | 
|  |  | 
|  | .read_cycle		= 6, | 
|  | .write_cycle		= 6, | 
|  |  | 
|  | .mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, | 
|  | .tdf_cycles		= 2, | 
|  | }; | 
|  |  | 
|  | static void __init neocore926_add_device_nand(void) | 
|  | { | 
|  | /* configure chip-select 3 (NAND) */ | 
|  | sam9_smc_configure(0, 3, &neocore926_nand_smc_config); | 
|  |  | 
|  | at91_add_device_nand(&neocore926_nand_data); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * LCD Controller | 
|  | */ | 
|  | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | 
|  | static struct fb_videomode at91_tft_vga_modes[] = { | 
|  | { | 
|  | .name		= "TX09D50VM1CCA @ 60", | 
|  | .refresh	= 60, | 
|  | .xres		= 240,		.yres		= 320, | 
|  | .pixclock	= KHZ2PICOS(5000), | 
|  |  | 
|  | .left_margin	= 1,		.right_margin	= 33, | 
|  | .upper_margin	= 1,		.lower_margin	= 0, | 
|  | .hsync_len	= 5,		.vsync_len	= 1, | 
|  |  | 
|  | .sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | 
|  | .vmode		= FB_VMODE_NONINTERLACED, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct fb_monspecs at91fb_default_monspecs = { | 
|  | .manufacturer	= "HIT", | 
|  | .monitor	= "TX09D70VM1CCA", | 
|  |  | 
|  | .modedb		= at91_tft_vga_modes, | 
|  | .modedb_len	= ARRAY_SIZE(at91_tft_vga_modes), | 
|  | .hfmin		= 15000, | 
|  | .hfmax		= 64000, | 
|  | .vfmin		= 50, | 
|  | .vfmax		= 150, | 
|  | }; | 
|  |  | 
|  | #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | 
|  | | ATMEL_LCDC_DISTYPE_TFT \ | 
|  | | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) | 
|  |  | 
|  | static void at91_lcdc_power_control(int on) | 
|  | { | 
|  | at91_set_gpio_value(AT91_PIN_PA30, on); | 
|  | } | 
|  |  | 
|  | /* Driver datas */ | 
|  | static struct atmel_lcdfb_info __initdata neocore926_lcdc_data = { | 
|  | .lcdcon_is_backlight		= true, | 
|  | .default_bpp			= 16, | 
|  | .default_dmacon			= ATMEL_LCDC_DMAEN, | 
|  | .default_lcdcon2		= AT91SAM9263_DEFAULT_LCDCON2, | 
|  | .default_monspecs		= &at91fb_default_monspecs, | 
|  | .atmel_lcdfb_power_control	= at91_lcdc_power_control, | 
|  | .guard_time			= 1, | 
|  | .lcd_wiring_mode		= ATMEL_LCDC_WIRING_RGB555, | 
|  | }; | 
|  |  | 
|  | #else | 
|  | static struct atmel_lcdfb_info __initdata neocore926_lcdc_data; | 
|  | #endif | 
|  |  | 
|  |  | 
|  | /* | 
|  | * GPIO Buttons | 
|  | */ | 
|  | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | 
|  | static struct gpio_keys_button neocore926_buttons[] = { | 
|  | {	/* BP1, "leftclic" */ | 
|  | .code		= BTN_LEFT, | 
|  | .gpio		= AT91_PIN_PC5, | 
|  | .active_low	= 1, | 
|  | .desc		= "left_click", | 
|  | .wakeup		= 1, | 
|  | }, | 
|  | {	/* BP2, "rightclic" */ | 
|  | .code		= BTN_RIGHT, | 
|  | .gpio		= AT91_PIN_PC4, | 
|  | .active_low	= 1, | 
|  | .desc		= "right_click", | 
|  | .wakeup		= 1, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct gpio_keys_platform_data neocore926_button_data = { | 
|  | .buttons	= neocore926_buttons, | 
|  | .nbuttons	= ARRAY_SIZE(neocore926_buttons), | 
|  | }; | 
|  |  | 
|  | static struct platform_device neocore926_button_device = { | 
|  | .name		= "gpio-keys", | 
|  | .id		= -1, | 
|  | .num_resources	= 0, | 
|  | .dev		= { | 
|  | .platform_data	= &neocore926_button_data, | 
|  | } | 
|  | }; | 
|  |  | 
|  | static void __init neocore926_add_device_buttons(void) | 
|  | { | 
|  | at91_set_GPIO_periph(AT91_PIN_PC5, 0);	/* left button */ | 
|  | at91_set_deglitch(AT91_PIN_PC5, 1); | 
|  | at91_set_GPIO_periph(AT91_PIN_PC4, 0);	/* right button */ | 
|  | at91_set_deglitch(AT91_PIN_PC4, 1); | 
|  |  | 
|  | platform_device_register(&neocore926_button_device); | 
|  | } | 
|  | #else | 
|  | static void __init neocore926_add_device_buttons(void) {} | 
|  | #endif | 
|  |  | 
|  |  | 
|  | /* | 
|  | * AC97 | 
|  | */ | 
|  | static struct ac97c_platform_data neocore926_ac97_data = { | 
|  | .reset_pin	= AT91_PIN_PA13, | 
|  | }; | 
|  |  | 
|  |  | 
|  | static void __init neocore926_board_init(void) | 
|  | { | 
|  | /* Serial */ | 
|  | /* DBGU on ttyS0. (Rx & Tx only) */ | 
|  | at91_register_uart(0, 0, 0); | 
|  |  | 
|  | /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */ | 
|  | at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); | 
|  | at91_add_device_serial(); | 
|  |  | 
|  | /* USB Host */ | 
|  | at91_add_device_usbh(&neocore926_usbh_data); | 
|  |  | 
|  | /* USB Device */ | 
|  | at91_add_device_udc(&neocore926_udc_data); | 
|  |  | 
|  | /* SPI */ | 
|  | at91_set_gpio_output(AT91_PIN_PE20, 1);		/* select spi0 clock */ | 
|  | at91_add_device_spi(neocore926_spi_devices, ARRAY_SIZE(neocore926_spi_devices)); | 
|  |  | 
|  | /* Touchscreen */ | 
|  | neocore926_add_device_ts(); | 
|  |  | 
|  | /* MMC */ | 
|  | at91_add_device_mci(0, &neocore926_mci0_data); | 
|  |  | 
|  | /* Ethernet */ | 
|  | at91_add_device_eth(&neocore926_macb_data); | 
|  |  | 
|  | /* NAND */ | 
|  | neocore926_add_device_nand(); | 
|  |  | 
|  | /* I2C */ | 
|  | at91_add_device_i2c(NULL, 0); | 
|  |  | 
|  | /* LCD Controller */ | 
|  | at91_add_device_lcdc(&neocore926_lcdc_data); | 
|  |  | 
|  | /* Push Buttons */ | 
|  | neocore926_add_device_buttons(); | 
|  |  | 
|  | /* AC97 */ | 
|  | at91_add_device_ac97(&neocore926_ac97_data); | 
|  | } | 
|  |  | 
|  | MACHINE_START(NEOCORE926, "ADENEO NEOCORE 926") | 
|  | /* Maintainer: ADENEO */ | 
|  | .timer		= &at91sam926x_timer, | 
|  | .map_io		= at91_map_io, | 
|  | .handle_irq	= at91_aic_handle_irq, | 
|  | .init_early	= neocore926_init_early, | 
|  | .init_irq	= at91_init_irq_default, | 
|  | .init_machine	= neocore926_board_init, | 
|  | MACHINE_END |