| /* |
| * 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/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); |
| |
| /* 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); |
| |
| /* set serial console to ttyS0 (ie, DBGU) */ |
| at91_set_serial_console(0); |
| } |
| |
| /* |
| * USB Host port |
| */ |
| static struct at91_usbh_data __initdata neocore926_usbh_data = { |
| .ports = 2, |
| .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 }, |
| }; |
| |
| /* |
| * USB Device port |
| */ |
| static struct at91_udc_data __initdata neocore926_udc_data = { |
| .vbus_pin = AT91_PIN_PA25, |
| .pullup_pin = 0, /* 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 at91_mmc_data __initdata neocore926_mmc_data = { |
| .wire4 = 1, |
| .det_pin = AT91_PIN_PE18, |
| .wp_pin = AT91_PIN_PE19, |
| }; |
| |
| |
| /* |
| * MACB Ethernet device |
| */ |
| static struct at91_eth_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 mtd_partition * __init nand_partitions(int size, int *num_partitions) |
| { |
| *num_partitions = ARRAY_SIZE(neocore926_nand_partition); |
| return neocore926_nand_partition; |
| } |
| |
| 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, |
| .partition_info = nand_partitions, |
| }; |
| |
| 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(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 */ |
| 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_mmc(1, &neocore926_mmc_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, |
| .init_early = neocore926_init_early, |
| .init_irq = at91_init_irq_default, |
| .init_machine = neocore926_board_init, |
| MACHINE_END |