|  | /* | 
|  | *  Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family | 
|  | * | 
|  | *  Covers: * AT91SAM9G45-EKES  board | 
|  | *          * AT91SAM9M10G45-EK board | 
|  | * | 
|  | *  Copyright (C) 2009 Atmel Corporation. | 
|  | * | 
|  | * 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. | 
|  | * | 
|  | */ | 
|  |  | 
|  | #include <linux/types.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/fb.h> | 
|  | #include <linux/gpio_keys.h> | 
|  | #include <linux/input.h> | 
|  | #include <linux/leds.h> | 
|  | #include <linux/clk.h> | 
|  | #include <linux/atmel-mci.h> | 
|  |  | 
|  | #include <mach/hardware.h> | 
|  | #include <video/atmel_lcdc.h> | 
|  |  | 
|  | #include <asm/setup.h> | 
|  | #include <asm/mach-types.h> | 
|  | #include <asm/irq.h> | 
|  |  | 
|  | #include <asm/mach/arch.h> | 
|  | #include <asm/mach/map.h> | 
|  | #include <asm/mach/irq.h> | 
|  |  | 
|  | #include <mach/board.h> | 
|  | #include <mach/gpio.h> | 
|  | #include <mach/at91sam9_smc.h> | 
|  | #include <mach/at91_shdwc.h> | 
|  | #include <mach/system_rev.h> | 
|  |  | 
|  | #include "sam9_smc.h" | 
|  | #include "generic.h" | 
|  |  | 
|  |  | 
|  | static void __init ek_init_early(void) | 
|  | { | 
|  | /* Initialize processor: 12.000 MHz crystal */ | 
|  | at91sam9g45_initialize(12000000); | 
|  |  | 
|  | /* DGBU on ttyS0. (Rx & Tx only) */ | 
|  | at91_register_uart(0, 0, 0); | 
|  |  | 
|  | /* USART0 not connected on the -EK board */ | 
|  | /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ | 
|  | at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); | 
|  |  | 
|  | /* set serial console to ttyS0 (ie, DBGU) */ | 
|  | at91_set_serial_console(0); | 
|  | } | 
|  |  | 
|  | static void __init ek_init_irq(void) | 
|  | { | 
|  | at91sam9g45_init_interrupts(NULL); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * USB HS Host port (common to OHCI & EHCI) | 
|  | */ | 
|  | static struct at91_usbh_data __initdata ek_usbh_hs_data = { | 
|  | .ports		= 2, | 
|  | .vbus_pin	= {AT91_PIN_PD1, AT91_PIN_PD3}, | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * USB HS Device port | 
|  | */ | 
|  | static struct usba_platform_data __initdata ek_usba_udc_data = { | 
|  | .vbus_pin	= AT91_PIN_PB19, | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * SPI devices. | 
|  | */ | 
|  | static struct spi_board_info ek_spi_devices[] = { | 
|  | {	/* DataFlash chip */ | 
|  | .modalias	= "mtd_dataflash", | 
|  | .chip_select	= 0, | 
|  | .max_speed_hz	= 15 * 1000 * 1000, | 
|  | .bus_num	= 0, | 
|  | }, | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * MCI (SD/MMC) | 
|  | */ | 
|  | static struct mci_platform_data __initdata mci0_data = { | 
|  | .slot[0] = { | 
|  | .bus_width	= 4, | 
|  | .detect_pin	= AT91_PIN_PD10, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct mci_platform_data __initdata mci1_data = { | 
|  | .slot[0] = { | 
|  | .bus_width	= 4, | 
|  | .detect_pin	= AT91_PIN_PD11, | 
|  | .wp_pin		= AT91_PIN_PD29, | 
|  | }, | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * MACB Ethernet device | 
|  | */ | 
|  | static struct at91_eth_data __initdata ek_macb_data = { | 
|  | .phy_irq_pin	= AT91_PIN_PD5, | 
|  | .is_rmii	= 1, | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * NAND flash | 
|  | */ | 
|  | static struct mtd_partition __initdata ek_nand_partition[] = { | 
|  | { | 
|  | .name	= "Partition 1", | 
|  | .offset	= 0, | 
|  | .size	= SZ_64M, | 
|  | }, | 
|  | { | 
|  | .name	= "Partition 2", | 
|  | .offset	= MTDPART_OFS_NXTBLK, | 
|  | .size	= MTDPART_SIZ_FULL, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) | 
|  | { | 
|  | *num_partitions = ARRAY_SIZE(ek_nand_partition); | 
|  | return ek_nand_partition; | 
|  | } | 
|  |  | 
|  | /* det_pin is not connected */ | 
|  | static struct atmel_nand_data __initdata ek_nand_data = { | 
|  | .ale		= 21, | 
|  | .cle		= 22, | 
|  | .rdy_pin	= AT91_PIN_PC8, | 
|  | .enable_pin	= AT91_PIN_PC14, | 
|  | .partition_info	= nand_partitions, | 
|  | }; | 
|  |  | 
|  | static struct sam9_smc_config __initdata ek_nand_smc_config = { | 
|  | .ncs_read_setup		= 0, | 
|  | .nrd_setup		= 2, | 
|  | .ncs_write_setup	= 0, | 
|  | .nwe_setup		= 2, | 
|  |  | 
|  | .ncs_read_pulse		= 4, | 
|  | .nrd_pulse		= 4, | 
|  | .ncs_write_pulse	= 4, | 
|  | .nwe_pulse		= 4, | 
|  |  | 
|  | .read_cycle		= 7, | 
|  | .write_cycle		= 7, | 
|  |  | 
|  | .mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, | 
|  | .tdf_cycles		= 3, | 
|  | }; | 
|  |  | 
|  | static void __init ek_add_device_nand(void) | 
|  | { | 
|  | ek_nand_data.bus_width_16 = !board_have_nand_8bit(); | 
|  | /* setup bus-width (8 or 16) */ | 
|  | if (ek_nand_data.bus_width_16) | 
|  | ek_nand_smc_config.mode |= AT91_SMC_DBW_16; | 
|  | else | 
|  | ek_nand_smc_config.mode |= AT91_SMC_DBW_8; | 
|  |  | 
|  | /* configure chip-select 3 (NAND) */ | 
|  | sam9_smc_configure(3, &ek_nand_smc_config); | 
|  |  | 
|  | at91_add_device_nand(&ek_nand_data); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * LCD Controller | 
|  | */ | 
|  | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | 
|  | static struct fb_videomode at91_tft_vga_modes[] = { | 
|  | { | 
|  | .name           = "LG", | 
|  | .refresh	= 60, | 
|  | .xres		= 480,		.yres		= 272, | 
|  | .pixclock	= KHZ2PICOS(9000), | 
|  |  | 
|  | .left_margin	= 1,		.right_margin	= 1, | 
|  | .upper_margin	= 40,		.lower_margin	= 1, | 
|  | .hsync_len	= 45,		.vsync_len	= 1, | 
|  |  | 
|  | .sync		= 0, | 
|  | .vmode		= FB_VMODE_NONINTERLACED, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct fb_monspecs at91fb_default_monspecs = { | 
|  | .manufacturer	= "LG", | 
|  | .monitor        = "LB043WQ1", | 
|  |  | 
|  | .modedb		= at91_tft_vga_modes, | 
|  | .modedb_len	= ARRAY_SIZE(at91_tft_vga_modes), | 
|  | .hfmin		= 15000, | 
|  | .hfmax		= 17640, | 
|  | .vfmin		= 57, | 
|  | .vfmax		= 67, | 
|  | }; | 
|  |  | 
|  | #define AT91SAM9G45_DEFAULT_LCDCON2 	(ATMEL_LCDC_MEMOR_LITTLE \ | 
|  | | ATMEL_LCDC_DISTYPE_TFT \ | 
|  | | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) | 
|  |  | 
|  | /* Driver datas */ | 
|  | static struct atmel_lcdfb_info __initdata ek_lcdc_data = { | 
|  | .lcdcon_is_backlight		= true, | 
|  | .default_bpp			= 32, | 
|  | .default_dmacon			= ATMEL_LCDC_DMAEN, | 
|  | .default_lcdcon2		= AT91SAM9G45_DEFAULT_LCDCON2, | 
|  | .default_monspecs		= &at91fb_default_monspecs, | 
|  | .guard_time			= 9, | 
|  | .lcd_wiring_mode		= ATMEL_LCDC_WIRING_RGB, | 
|  | }; | 
|  |  | 
|  | #else | 
|  | static struct atmel_lcdfb_info __initdata ek_lcdc_data; | 
|  | #endif | 
|  |  | 
|  |  | 
|  | /* | 
|  | * Touchscreen | 
|  | */ | 
|  | static struct at91_tsadcc_data ek_tsadcc_data = { | 
|  | .adc_clock		= 300000, | 
|  | .pendet_debounce	= 0x0d, | 
|  | .ts_sample_hold_time	= 0x0a, | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * GPIO Buttons | 
|  | */ | 
|  | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | 
|  | static struct gpio_keys_button ek_buttons[] = { | 
|  | {	/* BP1, "leftclic" */ | 
|  | .code		= BTN_LEFT, | 
|  | .gpio		= AT91_PIN_PB6, | 
|  | .active_low	= 1, | 
|  | .desc		= "left_click", | 
|  | .wakeup		= 1, | 
|  | }, | 
|  | {	/* BP2, "rightclic" */ | 
|  | .code		= BTN_RIGHT, | 
|  | .gpio		= AT91_PIN_PB7, | 
|  | .active_low	= 1, | 
|  | .desc		= "right_click", | 
|  | .wakeup		= 1, | 
|  | }, | 
|  | /* BP3, "joystick" */ | 
|  | { | 
|  | .code		= KEY_LEFT, | 
|  | .gpio		= AT91_PIN_PB14, | 
|  | .active_low	= 1, | 
|  | .desc		= "Joystick Left", | 
|  | }, | 
|  | { | 
|  | .code		= KEY_RIGHT, | 
|  | .gpio		= AT91_PIN_PB15, | 
|  | .active_low	= 1, | 
|  | .desc		= "Joystick Right", | 
|  | }, | 
|  | { | 
|  | .code		= KEY_UP, | 
|  | .gpio		= AT91_PIN_PB16, | 
|  | .active_low	= 1, | 
|  | .desc		= "Joystick Up", | 
|  | }, | 
|  | { | 
|  | .code		= KEY_DOWN, | 
|  | .gpio		= AT91_PIN_PB17, | 
|  | .active_low	= 1, | 
|  | .desc		= "Joystick Down", | 
|  | }, | 
|  | { | 
|  | .code		= KEY_ENTER, | 
|  | .gpio		= AT91_PIN_PB18, | 
|  | .active_low	= 1, | 
|  | .desc		= "Joystick Press", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct gpio_keys_platform_data ek_button_data = { | 
|  | .buttons	= ek_buttons, | 
|  | .nbuttons	= ARRAY_SIZE(ek_buttons), | 
|  | }; | 
|  |  | 
|  | static struct platform_device ek_button_device = { | 
|  | .name		= "gpio-keys", | 
|  | .id		= -1, | 
|  | .num_resources	= 0, | 
|  | .dev		= { | 
|  | .platform_data	= &ek_button_data, | 
|  | } | 
|  | }; | 
|  |  | 
|  | static void __init ek_add_device_buttons(void) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) { | 
|  | at91_set_GPIO_periph(ek_buttons[i].gpio, 1); | 
|  | at91_set_deglitch(ek_buttons[i].gpio, 1); | 
|  | } | 
|  |  | 
|  | platform_device_register(&ek_button_device); | 
|  | } | 
|  | #else | 
|  | static void __init ek_add_device_buttons(void) {} | 
|  | #endif | 
|  |  | 
|  |  | 
|  | /* | 
|  | * AC97 | 
|  | * reset_pin is not connected: NRST | 
|  | */ | 
|  | static struct ac97c_platform_data ek_ac97_data = { | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * LEDs ... these could all be PWM-driven, for variable brightness | 
|  | */ | 
|  | static struct gpio_led ek_leds[] = { | 
|  | {	/* "top" led, red, powerled */ | 
|  | .name			= "d8", | 
|  | .gpio			= AT91_PIN_PD30, | 
|  | .default_trigger	= "heartbeat", | 
|  | }, | 
|  | {	/* "left" led, green, userled2, pwm3 */ | 
|  | .name			= "d6", | 
|  | .gpio			= AT91_PIN_PD0, | 
|  | .active_low		= 1, | 
|  | .default_trigger	= "nand-disk", | 
|  | }, | 
|  | #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)) | 
|  | {	/* "right" led, green, userled1, pwm1 */ | 
|  | .name			= "d7", | 
|  | .gpio			= AT91_PIN_PD31, | 
|  | .active_low		= 1, | 
|  | .default_trigger	= "mmc0", | 
|  | }, | 
|  | #endif | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* | 
|  | * PWM Leds | 
|  | */ | 
|  | static struct gpio_led ek_pwm_led[] = { | 
|  | #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE) | 
|  | {	/* "right" led, green, userled1, pwm1 */ | 
|  | .name			= "d7", | 
|  | .gpio			= 1,	/* is PWM channel number */ | 
|  | .active_low		= 1, | 
|  | .default_trigger	= "none", | 
|  | }, | 
|  | #endif | 
|  | }; | 
|  |  | 
|  |  | 
|  |  | 
|  | static void __init ek_board_init(void) | 
|  | { | 
|  | /* Serial */ | 
|  | at91_add_device_serial(); | 
|  | /* USB HS Host */ | 
|  | at91_add_device_usbh_ohci(&ek_usbh_hs_data); | 
|  | at91_add_device_usbh_ehci(&ek_usbh_hs_data); | 
|  | /* USB HS Device */ | 
|  | at91_add_device_usba(&ek_usba_udc_data); | 
|  | /* SPI */ | 
|  | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); | 
|  | /* MMC */ | 
|  | at91_add_device_mci(0, &mci0_data); | 
|  | at91_add_device_mci(1, &mci1_data); | 
|  | /* Ethernet */ | 
|  | at91_add_device_eth(&ek_macb_data); | 
|  | /* NAND */ | 
|  | ek_add_device_nand(); | 
|  | /* I2C */ | 
|  | at91_add_device_i2c(0, NULL, 0); | 
|  | /* LCD Controller */ | 
|  | at91_add_device_lcdc(&ek_lcdc_data); | 
|  | /* Touch Screen */ | 
|  | at91_add_device_tsadcc(&ek_tsadcc_data); | 
|  | /* Push Buttons */ | 
|  | ek_add_device_buttons(); | 
|  | /* AC97 */ | 
|  | at91_add_device_ac97(&ek_ac97_data); | 
|  | /* LEDs */ | 
|  | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | 
|  | at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led)); | 
|  | } | 
|  |  | 
|  | MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK") | 
|  | /* Maintainer: Atmel */ | 
|  | .timer		= &at91sam926x_timer, | 
|  | .map_io		= at91sam9g45_map_io, | 
|  | .init_early	= ek_init_early, | 
|  | .init_irq	= ek_init_irq, | 
|  | .init_machine	= ek_board_init, | 
|  | MACHINE_END |