/* * linux/arch/arm/mach-at91/board-yl-9200.c * * Adapted from various board files in arch/arm/mach-at91 * * Modifications for YL-9200 platform: * Copyright (C) 2007 S. Birtles * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "generic.h" static void __init yl9200_map_io(void) { /* Initialize processor: 18.432 MHz crystal */ at91rm9200_initialize(18432000, AT91RM9200_PQFP); /* Setup the LEDs D2=PB17 (timer), D3=PB16 (cpu) */ at91_init_leds(AT91_PIN_PB16, AT91_PIN_PB17); /* DBGU on ttyS0. (Rx & Tx only) */ at91_register_uart(0, 0, 0); /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD | ATMEL_UART_RI); /* USART0 on ttyS2. (Rx & Tx only to JP3) */ at91_register_uart(AT91RM9200_ID_US0, 2, 0); /* USART3 on ttyS3. (Rx, Tx, RTS - RS485 interface) */ at91_register_uart(AT91RM9200_ID_US3, 3, ATMEL_UART_RTS); /* set serial console to ttyS0 (ie, DBGU) */ at91_set_serial_console(0); } static void __init yl9200_init_irq(void) { at91rm9200_init_interrupts(NULL); } /* * LEDs */ static struct gpio_led yl9200_leds[] = { { /* D2 */ .name = "led2", .gpio = AT91_PIN_PB17, .active_low = 1, .default_trigger = "timer", }, { /* D3 */ .name = "led3", .gpio = AT91_PIN_PB16, .active_low = 1, .default_trigger = "heartbeat", }, { /* D4 */ .name = "led4", .gpio = AT91_PIN_PB15, .active_low = 1, }, { /* D5 */ .name = "led5", .gpio = AT91_PIN_PB8, .active_low = 1, } }; /* * Ethernet */ static struct at91_eth_data __initdata yl9200_eth_data = { .phy_irq_pin = AT91_PIN_PB28, .is_rmii = 1, }; /* * USB Host */ static struct at91_usbh_data __initdata yl9200_usbh_data = { .ports = 1, /* PQFP version of AT91RM9200 */ }; /* * USB Device */ static struct at91_udc_data __initdata yl9200_udc_data = { .pullup_pin = AT91_PIN_PC4, .vbus_pin = AT91_PIN_PC5, .pullup_active_low = 1, /* Active Low due to PNP transistor (pg 7) */ }; /* * MMC */ static struct at91_mmc_data __initdata yl9200_mmc_data = { .det_pin = AT91_PIN_PB9, // .wp_pin = ... not connected .wire4 = 1, }; /* * NAND Flash */ static struct mtd_partition __initdata yl9200_nand_partition[] = { { .name = "AT91 NAND partition 1, boot", .offset = 0, .size = SZ_256K }, { .name = "AT91 NAND partition 2, kernel", .offset = MTDPART_OFS_NXTBLK, .size = (2 * SZ_1M) - SZ_256K }, { .name = "AT91 NAND partition 3, filesystem", .offset = MTDPART_OFS_NXTBLK, .size = 14 * SZ_1M }, { .name = "AT91 NAND partition 4, storage", .offset = MTDPART_OFS_NXTBLK, .size = SZ_16M }, { .name = "AT91 NAND partition 5, ext-fs", .offset = MTDPART_OFS_NXTBLK, .size = SZ_32M } }; static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) { *num_partitions = ARRAY_SIZE(yl9200_nand_partition); return yl9200_nand_partition; } static struct atmel_nand_data __initdata yl9200_nand_data = { .ale = 6, .cle = 7, // .det_pin = ... not connected .rdy_pin = AT91_PIN_PC14, /* R/!B (Sheet10) */ .enable_pin = AT91_PIN_PC15, /* !CE (Sheet10) */ .partition_info = nand_partitions, }; /* * NOR Flash */ #define YL9200_FLASH_BASE AT91_CHIPSELECT_0 #define YL9200_FLASH_SIZE SZ_16M static struct mtd_partition yl9200_flash_partitions[] = { { .name = "Bootloader", .offset = 0, .size = SZ_256K, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "Kernel", .offset = MTDPART_OFS_NXTBLK, .size = (2 * SZ_1M) - SZ_256K }, { .name = "Filesystem", .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL } }; static struct physmap_flash_data yl9200_flash_data = { .width = 2, .parts = yl9200_flash_partitions, .nr_parts = ARRAY_SIZE(yl9200_flash_partitions), }; static struct resource yl9200_flash_resources[] = { { .start = YL9200_FLASH_BASE, .end = YL9200_FLASH_BASE + YL9200_FLASH_SIZE - 1, .flags = IORESOURCE_MEM, } }; static struct platform_device yl9200_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &yl9200_flash_data, }, .resource = yl9200_flash_resources, .num_resources = ARRAY_SIZE(yl9200_flash_resources), }; /* * I2C (TWI) */ static struct i2c_board_info __initdata yl9200_i2c_devices[] = { { /* EEPROM */ I2C_BOARD_INFO("24c128", 0x50), } }; /* * GPIO Buttons */ #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) static struct gpio_keys_button yl9200_buttons[] = { { .gpio = AT91_PIN_PA24, .code = BTN_2, .desc = "SW2", .active_low = 1, .wakeup = 1, }, { .gpio = AT91_PIN_PB1, .code = BTN_3, .desc = "SW3", .active_low = 1, .wakeup = 1, }, { .gpio = AT91_PIN_PB2, .code = BTN_4, .desc = "SW4", .active_low = 1, .wakeup = 1, }, { .gpio = AT91_PIN_PB6, .code = BTN_5, .desc = "SW5", .active_low = 1, .wakeup = 1, } }; static struct gpio_keys_platform_data yl9200_button_data = { .buttons = yl9200_buttons, .nbuttons = ARRAY_SIZE(yl9200_buttons), }; static struct platform_device yl9200_button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev = { .platform_data = &yl9200_button_data, } }; static void __init yl9200_add_device_buttons(void) { at91_set_gpio_input(AT91_PIN_PA24, 1); /* SW2 */ at91_set_deglitch(AT91_PIN_PA24, 1); at91_set_gpio_input(AT91_PIN_PB1, 1); /* SW3 */ at91_set_deglitch(AT91_PIN_PB1, 1); at91_set_gpio_input(AT91_PIN_PB2, 1); /* SW4 */ at91_set_deglitch(AT91_PIN_PB2, 1); at91_set_gpio_input(AT91_PIN_PB6, 1); /* SW5 */ at91_set_deglitch(AT91_PIN_PB6, 1); /* Enable buttons (Sheet 5) */ at91_set_gpio_output(AT91_PIN_PB7, 1); platform_device_register(&yl9200_button_device); } #else static void __init yl9200_add_device_buttons(void) {} #endif /* * Touchscreen */ #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) static int ads7843_pendown_state(void) { return !at91_get_gpio_value(AT91_PIN_PB11); /* 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, /* For a 8" touch-screen */ // .x_plate_ohms = 603, // .y_plate_ohms = 332, /* For a 10.4" touch-screen */ // .x_plate_ohms = 611, // .y_plate_ohms = 325, .x_plate_ohms = 576, .y_plate_ohms = 366, .pressure_max = 15000, /* generally nonsense on the 7843 */ .debounce_max = 1, .debounce_rep = 0, .debounce_tol = (~0), .get_pendown_state = ads7843_pendown_state, }; static void __init yl9200_add_device_ts(void) { at91_set_gpio_input(AT91_PIN_PB11, 1); /* Touchscreen interrupt pin */ at91_set_gpio_input(AT91_PIN_PB10, 1); /* Touchscreen BUSY signal - not used! */ } #else static void __init yl9200_add_device_ts(void) {} #endif /* * SPI devices */ static struct spi_board_info yl9200_spi_devices[] = { #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) { /* Touchscreen */ .modalias = "ads7846", .chip_select = 0, .max_speed_hz = 5000 * 26, .platform_data = &ads_info, .irq = AT91_PIN_PB11, }, #endif { /* CAN */ .modalias = "mcp2510", .chip_select = 1, .max_speed_hz = 25000 * 26, .irq = AT91_PIN_PC0, } }; /* * LCD / VGA * * EPSON S1D13806 FB (discontinued chip) * EPSON S1D13506 FB */ #if defined(CONFIG_FB_S1D135XX) || defined(CONFIG_FB_S1D13XXX_MODULE) #include