| /* |
| * 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/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) |
| { |
| /* 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, |
| .init_early = ek_init_early, |
| .init_irq = at91_init_irq_default, |
| .init_machine = ek_board_init, |
| MACHINE_END |