/* * linux/arch/arm/mach-at91/board-sam9261ek.c * * Copyright (C) 2005 SAN People * Copyright (C) 2006 Atmel * * 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/spi/at73c213.h> #include <linux/clk.h> #include <linux/dm9000.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/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 <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: 18.432 MHz crystal */ at91_initialize(18432000); } /* * DM9000 ethernet device */ #if defined(CONFIG_DM9000) static struct resource dm9000_resource[] = { [0] = { .start = AT91_CHIPSELECT_2, .end = AT91_CHIPSELECT_2 + 3, .flags = IORESOURCE_MEM }, [1] = { .start = AT91_CHIPSELECT_2 + 0x44, .end = AT91_CHIPSELECT_2 + 0xFF, .flags = IORESOURCE_MEM }, [2] = { .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE, } }; static struct dm9000_plat_data dm9000_platdata = { .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM, }; static struct platform_device dm9000_device = { .name = "dm9000", .id = 0, .num_resources = ARRAY_SIZE(dm9000_resource), .resource = dm9000_resource, .dev = { .platform_data = &dm9000_platdata, } }; /* * SMC timings for the DM9000. * Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings. */ static struct sam9_smc_config __initdata dm9000_smc_config = { .ncs_read_setup = 0, .nrd_setup = 2, .ncs_write_setup = 0, .nwe_setup = 2, .ncs_read_pulse = 8, .nrd_pulse = 4, .ncs_write_pulse = 8, .nwe_pulse = 4, .read_cycle = 16, .write_cycle = 16, .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16, .tdf_cycles = 1, }; static void __init ek_add_device_dm9000(void) { struct resource *r = &dm9000_resource[2]; /* Configure chip-select 2 (DM9000) */ sam9_smc_configure(0, 2, &dm9000_smc_config); /* Configure Reset signal as output */ at91_set_gpio_output(AT91_PIN_PC10, 0); /* Configure Interrupt pin as input, no pull-up */ at91_set_gpio_input(AT91_PIN_PC11, 0); r->start = r->end = gpio_to_irq(AT91_PIN_PC11); platform_device_register(&dm9000_device); } #else static void __init ek_add_device_dm9000(void) {} #endif /* CONFIG_DM9000 */ /* * USB Host Port */ static struct at91_usbh_data __initdata ek_usbh_data = { .ports = 2, .vbus_pin = {-EINVAL, -EINVAL}, .overcurrent_pin= {-EINVAL, -EINVAL}, }; /* * USB Device Port */ static struct at91_udc_data __initdata ek_udc_data = { .vbus_pin = AT91_PIN_PB29, .pullup_pin = -EINVAL, /* pull-up driven by UDC */ }; /* * NAND flash */ static struct mtd_partition __initdata ek_nand_partition[] = { { .name = "Partition 1", .offset = 0, .size = SZ_256K, }, { .name = "Partition 2", .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL, }, }; static struct atmel_nand_data __initdata ek_nand_data = { .ale = 22, .cle = 21, .det_pin = -EINVAL, .rdy_pin = AT91_PIN_PC15, .enable_pin = AT91_PIN_PC14, .ecc_mode = NAND_ECC_SOFT, .on_flash_bbt = 1, .parts = ek_nand_partition, .num_parts = ARRAY_SIZE(ek_nand_partition), }; static struct sam9_smc_config __initdata ek_nand_smc_config = { .ncs_read_setup = 0, .nrd_setup = 1, .ncs_write_setup = 0, .nwe_setup = 1, .ncs_read_pulse = 3, .nrd_pulse = 3, .ncs_write_pulse = 3, .nwe_pulse = 3, .read_cycle = 5, .write_cycle = 5, .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, .tdf_cycles = 2, }; static void __init ek_add_device_nand(void) { ek_nand_data.bus_width_16 = board_have_nand_16bit(); /* 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(0, 3, &ek_nand_smc_config); at91_add_device_nand(&ek_nand_data); } /* * SPI related devices */ #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) /* * 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_PC2); /* 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 ek_add_device_ts(void) { at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */ at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */ } #else static void __init ek_add_device_ts(void) {} #endif /* * Audio */ static struct at73c213_board_info at73c213_data = { .ssc_id = 1, #if defined(CONFIG_MACH_AT91SAM9261EK) .shortname = "AT91SAM9261-EK external DAC", #else .shortname = "AT91SAM9G10-EK external DAC", #endif }; #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE) static void __init at73c213_set_clk(struct at73c213_board_info *info) { struct clk *pck2; struct clk *plla; pck2 = clk_get(NULL, "pck2"); plla = clk_get(NULL, "plla"); /* AT73C213 MCK Clock */ at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */ clk_set_parent(pck2, plla); clk_put(plla); info->dac_clk = pck2; } #else static void __init at73c213_set_clk(struct at73c213_board_info *info) {} #endif /* * 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, }, #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) { .modalias = "ads7846", .chip_select = 2, .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */ .bus_num = 0, .platform_data = &ads_info, .irq = AT91SAM9261_ID_IRQ0, .controller_data = (void *) AT91_PIN_PA28, /* CS pin */ }, #endif #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */ .modalias = "mtd_dataflash", .chip_select = 3, .max_speed_hz = 15 * 1000 * 1000, .bus_num = 0, }, #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE) { /* AT73C213 DAC */ .modalias = "at73c213", .chip_select = 3, .max_speed_hz = 10 * 1000 * 1000, .bus_num = 0, .mode = SPI_MODE_1, .platform_data = &at73c213_data, .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */ }, #endif }; #else /* CONFIG_SPI_ATMEL_* */ /* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */ /* * MCI (SD/MMC) * det_pin, wp_pin and vcc_pin are not connected */ static struct at91_mmc_data __initdata ek_mmc_data = { .wire4 = 1, .det_pin = -EINVAL, .wp_pin = -EINVAL, .vcc_pin = -EINVAL, }; #endif /* CONFIG_SPI_ATMEL_* */ /* * LCD Controller */ #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) #if defined(CONFIG_FB_ATMEL_STN) /* STN */ static struct fb_videomode at91_stn_modes[] = { { .name = "SP06Q002 @ 75", .refresh = 75, .xres = 320, .yres = 240, .pixclock = KHZ2PICOS(1440), .left_margin = 1, .right_margin = 1, .upper_margin = 0, .lower_margin = 0, .hsync_len = 1, .vsync_len = 1, .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, .vmode = FB_VMODE_NONINTERLACED, }, }; static struct fb_monspecs at91fb_default_stn_monspecs = { .manufacturer = "HIT", .monitor = "SP06Q002", .modedb = at91_stn_modes, .modedb_len = ARRAY_SIZE(at91_stn_modes), .hfmin = 15000, .hfmax = 64000, .vfmin = 50, .vfmax = 150, }; #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | ATMEL_LCDC_DISTYPE_STNMONO \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \ | ATMEL_LCDC_IFWIDTH_4 \ | ATMEL_LCDC_SCANMOD_SINGLE) static void at91_lcdc_stn_power_control(int on) { /* backlight */ if (on) { /* power up */ at91_set_gpio_value(AT91_PIN_PC14, 0); at91_set_gpio_value(AT91_PIN_PC15, 0); } else { /* power down */ at91_set_gpio_value(AT91_PIN_PC14, 1); at91_set_gpio_value(AT91_PIN_PC15, 1); } } static struct atmel_lcdfb_info __initdata ek_lcdc_data = { .default_bpp = 1, .default_dmacon = ATMEL_LCDC_DMAEN, .default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2, .default_monspecs = &at91fb_default_stn_monspecs, .atmel_lcdfb_power_control = at91_lcdc_stn_power_control, .guard_time = 1, #if defined(CONFIG_MACH_AT91SAM9G10EK) .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB, #endif }; #else /* TFT */ static struct fb_videomode at91_tft_vga_modes[] = { { .name = "TX09D50VM1CCA @ 60", .refresh = 60, .xres = 240, .yres = 320, .pixclock = KHZ2PICOS(4965), .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_tft_monspecs = { .manufacturer = "HIT", .monitor = "TX09D50VM1CCA", .modedb = at91_tft_vga_modes, .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), .hfmin = 15000, .hfmax = 64000, .vfmin = 50, .vfmax = 150, }; #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | ATMEL_LCDC_DISTYPE_TFT \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) static void at91_lcdc_tft_power_control(int on) { if (on) at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */ else at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */ } static struct atmel_lcdfb_info __initdata ek_lcdc_data = { .lcdcon_is_backlight = true, .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN, .default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2, .default_monspecs = &at91fb_default_tft_monspecs, .atmel_lcdfb_power_control = at91_lcdc_tft_power_control, .guard_time = 1, #if defined(CONFIG_MACH_AT91SAM9G10EK) .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB, #endif }; #endif #else static struct atmel_lcdfb_info __initdata ek_lcdc_data; #endif /* * GPIO Buttons */ #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) static struct gpio_keys_button ek_buttons[] = { { .gpio = AT91_PIN_PA27, .code = BTN_0, .desc = "Button 0", .active_low = 1, .wakeup = 1, }, { .gpio = AT91_PIN_PA26, .code = BTN_1, .desc = "Button 1", .active_low = 1, .wakeup = 1, }, { .gpio = AT91_PIN_PA25, .code = BTN_2, .desc = "Button 2", .active_low = 1, .wakeup = 1, }, { .gpio = AT91_PIN_PA24, .code = BTN_3, .desc = "Button 3", .active_low = 1, .wakeup = 1, } }; 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) { at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */ at91_set_deglitch(AT91_PIN_PA27, 1); at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */ at91_set_deglitch(AT91_PIN_PA26, 1); at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */ at91_set_deglitch(AT91_PIN_PA25, 1); at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */ at91_set_deglitch(AT91_PIN_PA24, 1); platform_device_register(&ek_button_device); } #else static void __init ek_add_device_buttons(void) {} #endif /* * LEDs */ static struct gpio_led ek_leds[] = { { /* "bottom" led, green, userled1 to be defined */ .name = "ds7", .gpio = AT91_PIN_PA14, .active_low = 1, .default_trigger = "none", }, { /* "top" led, green, userled2 to be defined */ .name = "ds8", .gpio = AT91_PIN_PA13, .active_low = 1, .default_trigger = "none", }, { /* "power" led, yellow */ .name = "ds1", .gpio = AT91_PIN_PA23, .default_trigger = "heartbeat", } }; static void __init ek_board_init(void) { /* Setup the LEDs */ at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14); /* Serial */ /* DBGU on ttyS0. (Rx & Tx only) */ at91_register_uart(0, 0, 0); at91_add_device_serial(); /* USB Host */ at91_add_device_usbh(&ek_usbh_data); /* USB Device */ at91_add_device_udc(&ek_udc_data); /* I2C */ at91_add_device_i2c(NULL, 0); /* NAND */ ek_add_device_nand(); /* DM9000 ethernet */ ek_add_device_dm9000(); /* spi0 and mmc/sd share the same PIO pins */ #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) /* SPI */ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); /* Touchscreen */ ek_add_device_ts(); /* SSC (to AT73C213) */ at73c213_set_clk(&at73c213_data); at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX); #else /* MMC */ at91_add_device_mmc(0, &ek_mmc_data); #endif /* LCD Controller */ at91_add_device_lcdc(&ek_lcdc_data); /* Push Buttons */ ek_add_device_buttons(); /* LEDs */ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); } #if defined(CONFIG_MACH_AT91SAM9261EK) MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK") #else MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK") #endif /* Maintainer: Atmel */ .timer = &at91sam926x_timer, .map_io = at91_map_io, .handle_irq = at91_aic_handle_irq, .init_early = ek_init_early, .init_irq = at91_init_irq_default, .init_machine = ek_board_init, MACHINE_END